10-K

United States

Securities and Exchange Commission

Washington, D.C. 20549

FORM 10-K

(Mark One)

x ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934

For the fiscal year ended September 30, 2013

or

¨ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934

For the transition period from              to             

Commission file number 001-08137

AMERICAN PACIFIC CORPORATION

(Exact name of registrant as specified in its charter)

Delaware	59-6490478
(State or other jurisdiction of incorporation or organization)	(I.R.S. Employer Identification No.)

3883 Howard Hughes Parkway, Suite 700

Las Vegas, Nevada 89169

(Address of principal executive offices) (Zip Code)

(702) 735-2200

(Registrant’s telephone number, including area code)

Securities registered pursuant to Section 12(b) of the Act:

Title of each class	Name of each exchange on which registered
Common Stock, Par Value $0.10 Per Share	The NASDAQ Stock Market LLC

Securities registered pursuant to section 12(g) of the Act:

None

(Title of class)

Indicate by check mark if the registrant is a well-known seasoned issuer, as defined in Rule 405 of the Securities Act.

¨   Yes     x   No

Indicate by check mark if the registrant is not required to file reports pursuant to Section 13 or Section 15(d) of the Act.

¨   Yes     x   No

Indicate by check mark whether the registrant (1) has filed all reports required to be filed by Section 13 or 15(d) of the Securities Exchange Act of 1934 during the preceding 12 months (or for such shorter period that the registrant was required to file such reports), and (2) has been subject to such filing requirements for the past 90 days.

x   Yes     ¨   No

Indicate by check mark whether the registrant has submitted electronically and posted on its corporate Web site, if any, every Interactive Data File required to be submitted and posted pursuant to Rule 405 of Regulation S-T (§ 232.405 of this chapter) during the preceding 12 months (or for such shorter period that the registrant was required to submit and post such files).

x   Yes     ¨   No

Indicate by check mark if disclosure of delinquent filers pursuant to Item 405 of Regulation S-K (§ 229.405 of this chapter) is not contained herein, and will not be contained, to the best of registrant’s knowledge, in definitive proxy or information statements incorporated by reference in Part III of this Form 10-K or any amendment to this Form 10-K.

¨

Indicate by check mark whether the registrant is a large accelerated filer, an accelerated filer, a non-accelerated filer, or a smaller reporting company. See the definitions of “large accelerated filer,” “accelerated filer” and “smaller reporting company” in Rule 12b-2 of the Exchange Act. (Check one):

Large accelerated filer	¨	Accelerated filer	x
Non-accelerated filer	¨  (Do not  check if a smaller reporting company)	Smaller reporting company	¨

Indicate by check mark whether the registrant is a shell company (as defined in Rule 12b-2 of the Act).

¨   Yes     x   No

The aggregate market value of the voting common stock held by non-affiliates of the registrant as of March 28, 2013 (the last business day of the registrant’s most recently completed second fiscal quarter), was approximately $172.4 million. Solely for the purposes of this calculation, shares held by directors and officers of the registrant have been excluded. Such exclusion should not be deemed a determination by the registrant that such individuals are, in fact, affiliates of the registrant.

The number of shares of common stock, $0.10 par value per share, outstanding as of November 29, 2013, was 7,954,000.

DOCUMENTS INCORPORATED BY REFERENCE

Certain portions of the registrant’s definitive proxy statement for its 2014 annual meeting of stockholders, to be filed with the Securities and Exchange Commission (the “SEC”) within 120 days after September 30, 2013, are incorporated by reference into Part III of this report.

PART I

FORWARD LOOKING STATEMENTS

This annual report on Form 10-K contains forward-looking statements within the meaning of Section 27A of the Securities Act of 1933, as amended, and Section 21E of the Securities Exchange Act of 1934, as amended, which are subject to the safe harbor created by those sections. These forward-looking statements include, but are not limited to, statements about our business strategy and anticipated areas of, and basis for, growth, expectations of anticipated market conditions and our position to capitalize on such conditions, competition, competitive advantages, and the business environment in which we operate, our expectations and estimates for, and the future actions associated with, our environmental remediation efforts, possible changes in environmental regulations that may be applicable to us, the effect of accounting-related judgments and recent accounting standards on our financial statements, statements regarding our future operating results, cash flows, financial condition, profitability and capital expenditures, anticipated sources of, and trends in, revenue, including, without limitation, statements in the sections entitled “outlook” herein, as well as expectations of demand for and timing, pricing, magnitude, nature, and delivery of orders for our products, and all plans, expectations and intentions contained in this report that are not historical facts. Forward-looking statements are generally written in the future tense and/or are preceded or accompanied by words such as “can,” “could,” “may,” “should,” “will,” “would,” “expect,” “plan,” “anticipate,” “believe,” “estimate,” “forecast,” “future,” or “intend” or the negative of these terms or similar words or expressions. Discussions containing such forward-looking statements may be found throughout this report. Moreover, statements in “Business,” “Risk Factors,” “Properties,” “Management’s Discussion and Analysis of Financial Condition and Results of Operations” and elsewhere in this report that speculate about future events are forward-looking statements. Forward-looking statements involve certain risks and uncertainties, and actual results may differ materially from those discussed in any such statement. Factors that could cause actual results to differ materially from such forward-looking statements include the risks described in greater detail in “Risk Factors” in Item 1A of this report. All forward-looking statements in this document are made as of the date hereof, based on current information available to us and based on our current expectations as of the date hereof, and, while they are our best prediction at the time that they are made, you should not rely on them. Except as otherwise required by law, we undertake no obligation to update or revise any forward-looking statement to reflect new information, events or circumstances after the date hereof.

The terms “Company,” “we,” “us,” and “our” are used herein to refer to American Pacific Corporation and, unless the context otherwise makes clear the direct and indirect subsidiaries and divisions of American Pacific Corporation.

We report our results based on a fiscal year which ends on September 30. References to “Fiscal” years refer to the 12 months ended or ending September 30 of the fiscal year referenced.

Item 1. Business (Dollars in Thousands)

OUR COMPANY

American Pacific Corporation and its predecessors have been engaged in chemical manufacturing since 1955. We are a leading custom manufacturer of fine chemicals and specialty chemicals within our focused markets. Through our Fine Chemicals segment, we supply active pharmaceutical ingredients (“APIs”) and registered intermediates to the pharmaceutical industry. Our Specialty Chemicals segment produces various perchlorate chemicals and is the only North American producer of rocket-grade ammonium perchlorate (“AP”) which is the predominant oxidizing agent for solid propellant rockets, booster motors and missiles used in space exploration, commercial satellite transportation and national defense programs. We produce clean agent chemicals for the fire protection industry, as well as electro-chemical equipment for the water treatment industry. Our products are designed to meet customer specifications and often must meet certain governmental and regulatory approvals. Our technical and

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manufacturing expertise and customer service focus have gained us a reputation for quality, reliability, technical performance and innovation. Given the mission critical nature of our products, we maintain long-standing strategic customer relationships and generally sell our products through long-term contracts under which we are the sole-source or limited-source supplier.

We maintain a leading market position in each of our focused markets, which are characterized by high barriers to entry. Generally, these barriers include strategic customer relationships and long-term contracts, high switching costs due to intertwined technology between manufacturer and customer, a highly specialized workforce, proprietary processes and technologies, products regulated by the Underwriters Laboratory, regulatory factors, and manufacturing facilities that possess the necessary infrastructure to support potentially hazardous and technically challenging work.

Our focused markets require technically advanced, high quality products along with a strong service component as a result of the critical nature of the products that we supply. Often our mission critical products are embedded within the final end-product and some of our products have been supported through customer-funded product development investments. As a result, we have developed strategic relationships with our targeted customer base, which has led to our portfolio of sole-source and limited-source contracts. As the sole-source or limited-source supplier, we are generally the only contractor or one of only two or three contractors that has been qualified by the customer and/or regulatory agency to provide the particular product. We believe these relationships enable us to maintain leading market positions in our respective target markets.

Our continuing operations comprise three reportable business segments: Fine Chemicals, Specialty Chemicals and Other Businesses. The following table reflects the revenue contribution percentage from our business segments for the indicated Fiscal years:

	2013			2012			2011
Fine Chemicals		58	%		60	%		56	%
Specialty Chemicals		38	%		37	%		42	%
Other Businesses		4	%		3	%		2	%
Total		100	%		100	%		100	%

Segments. Please see Note 11 to our consolidated financial statements included in Item 8 of this report for a discussion on financial information for our segments for the past three fiscal years.

Geographic Areas. Please see Note 11 to our consolidated financial statements included in Item 8 of this report for financial information about geographic areas for the past three fiscal years.

Discontinued Operations. In May 2012, our board of directors approved and we committed to a plan to sell our Aerospace Equipment segment, or AMPAC-ISP. The divestiture is a strategic shift that allows us to place more focus on the growth and performance of our pharmaceutical-related product lines. On June 4, 2012, we entered into an Asset Purchase Agreement with Moog Inc. (“Moog”) (the “Asset Purchase Agreement”), pursuant to which we sold to Moog substantially all of the assets of Ampac-ISP Corp., including all of the equity interests in its foreign subsidiaries (collectively, the “Purchased Assets”). Additionally, Moog assumed certain liabilities related to the operations and the Purchased Assets. The transaction was completed effective August 1, 2012. Please see Note 13 to our consolidated financial statements included in Item 8 of this report for further discussion of discontinued operations.

The Company was incorporated in Delaware in December 1980. The address of our principal executive offices is 3883 Howard Hughes Parkway, Suite 700, Las Vegas, Nevada 89169. Our telephone number is (702) 735-2200 and our website is located at www.apfc.com. The contents of our website are not part of this report.

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OUR FINE CHEMICALS SEGMENT

Our Fine Chemicals segment is operated through our wholly-owned subsidiaries Ampac Fine Chemicals LLC and AMPAC Fine Chemicals Texas, LLC (collectively “AFC”).

Overview. AFC is a custom manufacturer of APIs and registered intermediates for customers in the pharmaceutical industry. The pharmaceutical ingredients we manufacture are used by our customers in drugs with indications in three primary areas: anti-viral, oncology and central nervous system. AFC’s customers include some of the world’s largest pharmaceutical and biotechnology companies, as well as emerging pharmaceutical companies. Most of the products AFC sells are proprietary to our customers and used in existing drugs that are FDA approved and commercially available. We operate in compliance with the U.S. Food and Drug Administration’s (the “FDA”) current Good Manufacturing Practices (“cGMP”) and the requirements of certain other regulatory agencies such as the European Union’s European Medicines Agency (“EMA”) and Japan’s Pharmaceuticals and Medical Devices Agency (“PMDA”). Our Fine Chemicals segment’s strategy is to focus on high growth markets where our technological position, combined with our chemical process development and engineering expertise, leads to strong customer allegiances and limited competition. AFC has distinctive competencies in performing chiral separations, manufacturing products that require high containment and performing energetic chemistries at large scale. Additionally, our technology offerings include large scale production of Schedule II to V controlled substances in our high-security facilities in Rancho Cordova, California.

We believe current trends in the pharmaceutical industry continue to provide us with an opportunity for long-term growth. The pharmaceutical markets we target are expected to continue to be driven by strong demand for products that use our core technologies, including anti-viral and oncology drugs, many of which are expected to benefit from the use of energetic chemistry or require high containment or other unique engineering expertise. Since a growing percentage of future drugs are anticipated to be based on chirally-pure material, we believe our investment in Simulated Moving Bed (“SMB”) technology may prove to be a strong, long-term competitive advantage for us. We believe there is a continuing trend toward more outsourcing by the pharmaceutical industry, especially for complex pharmaceutical ingredients that require specialized equipment or technologies, such as SMB or high-containment manufacturing, and chemicals that are sensitive from a proprietary standpoint.

AFC’s pipeline of development products continues to grow and diversify. Development products include research projects, products that are not yet commercialized, and products which are commercial but for which we are not the current commercial producer. Prior to Fiscal 2010, revenues from development products were approximately 5% of Fine Chemicals segment revenues. For Fiscal 2013, revenues from development products were 26%. We are targeting approximately 20% of revenues as an average, long-term goal for such sales. Typically, development product activities are the source of developing new long-term customer relationships and often lead to future core products.

Technologies and Facilities. We have distinctive competencies and specialized engineering capabilities in performing chiral separations, manufacturing chemical compounds that require high containment, and performing energetic chemistries at large scale. In Fiscal 2012, we added the capability and obtained the permits required to produce substances controlled by the U.S. Drug Enforcement Administration (“DEA”). We have invested significant resources in our facilities, workforce and technology base. We believe we are the U.S. leader in performing chiral separations using SMB technology and own and operate two large-scale SMB systems, both of which are among the largest in the world operating under cGMP. We offer a full range of SMB equipment and related services from laboratory-scale to our large systems. We believe our distinctive competency in manufacturing chemical compounds that require specialized high containment facilities and handling expertise provide us a significant competitive advantage in competing for various opportunities associated with high potency, highly toxic and cytotoxic products. Many oncology drugs are made with APIs that are high potency or cytotoxic. AFC is one of the few companies in the world that can manufacture such compounds at a multi-ton annual rate. Moreover, our significant experience and highly engineered facilities make us one of the few companies in the world with the capability to use energetic chemistry on a large scale under cGMP. We use this capability in development and production of products such as those used in anti-viral drugs, including HIV-related and

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influenza-combating drugs. In addition, our Rancho Cordova, California facility is both U.S.-based and located within a secured industrial complex providing us with certain advantages for the large scale production of controlled substances. We have invested in the equipment and infrastructure necessary to manufacture these materials at large scale and have received all requested quotas. We currently hold both researcher and manufacturing registrations from the DEA for the development and commercial production of Schedule II – V controlled substances.

Our Fine Chemicals segment’s facilities are operated in compliance with FDA and international cGMP standards. Our highly skilled team of experienced chemists, engineers, operators and other professionals provides assurance of supply of high quality products to our customers. Significant investments in new equipment and infrastructure have enhanced our manufacturing capability, efficiency and capacity. We believe the combination of our highly skilled workforce and our unique technology platforms has led to our leadership position within our targeted markets and will help enable us to capitalize on the anticipated growth in drugs that may benefit from the use of our core competencies.

The following paragraphs highlight the key technical competencies we employ in the production of our Fine Chemical products. Any particular product or project may utilize a single technology or a combination of technologies. For example, energetic processes are highly complementary with SMB technologies. Disclosure below regarding that amount of revenue derived from a particular technology is based on the primary technology employed in the production process.

Energetic and Specialty Processes (“ESP”). Energetic chemistry offers a high-purity, high-yield route to producing certain chemical compounds. This is an important attribute since purity specifications for pharmaceutical products are extremely stringent. At present, numerous drugs currently on the market employ energetic chemistry platforms similar to those offered by AFC. Safe and reliable operation of a facility that practices energetic chemistry at a large scale requires a great deal of expertise and experience. AFC is one of a few companies in the world with the experience, facilities and the know-how to use energetic chemistry on a large scale under cGMP. Energetic chemistry has historically been used at AFC for the production of pharmaceutical fine chemicals used in anti-viral drugs, including those to treat HIV and influenza. Recently, we have seen an increase in the use of energetic chemistry to make drugs in other therapeutic areas, including central nervous system disorders (“CNS”), oncology and pain management. For Fiscal 2013, approximately 54% of AFC sales were derived from products that involved energetic and other specialty processes. Specialty processes include technically challenging processes, including the manufacture of chemical compounds referred to as nucleosides and nucleotides.

High Containment. Chemical compounds that require specialized high containment facilities and handling expertise are a growing segment of the pharmaceutical fine chemicals industry. The manufacture of high potency, highly toxic and cytotoxic chemical compounds requires high-containment manufacturing facilities and a high degree of expertise to ensure safe and reliable production. AFC has the expertise and experience to design processes and facilities to minimize and control potential exposure. High potency and cytotoxic APIs and registered intermediates are used to make many commercial oncology drugs. In addition, we believe there are a large number of oncology drugs in the industry pipeline that are made with high potency or cytotoxic APIs and registered intermediates.

There is currently limited competition in the market for manufacturing chemical compounds that require high containment, in particular at high volumes, as it requires highly-engineered facilities and a high level of expertise to safely and effectively manufacture these chemicals at large scale. Entry into this market also requires a significant capital investment for specialized facilities and highly trained personnel if the market entrant does not already have access to such facilities and expertise. For Fiscal 2013, approximately 11% of AFC sales were derived from sales of high potency and cytotoxic compounds.

Simulated Moving Bed. SMB represents an example of a proven technology that addresses the requirement for chirally pure drugs. Drug chemical molecules often have two mirror image shapes that are not super imposable, which are denoted as chiral. These molecules have an identical atomic

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structure; however, the three-dimensional shapes are different. Each shape is called an enantiomer, and together, the two enantiomers are called a racemic mixture. Often, one of the shapes (the preferred enantiomer) has therapeutic value and the other does not. The undesirable enantiomer can often cause harmful side effects. As a result, the FDA favors chirally-pure drugs (drugs composed of a single enantiomer) when practical. SMB is a continuous chromatography technology that has the capability to cost effectively separate enantiomers in the laboratory, as well as in full scale production, at a very high quality. This results in a more attractive solution for the customer and the ultimate end-user. Several techniques are available to achieve this chiral purity. The desired enantiomer can be isolated from the other by techniques such as chromatography or by other means such as chemical resolution, or produced by techniques such as asymmetric synthesis.

SMB chromatography is a continuous separation technique based on the principles of chromatography. SMB technology was developed in the early 1960s for the petroleum industry and was applied to pharmaceutical manufacturing in the 1990s. Since SMB chromatography is a technique for separating binary mixtures, it is ideally suited for the separation of enantiomers. SMB chromatography has been successfully used and approved by the FDA for the preparation of chirally-pure drugs. The technique allows for efficient separation of a racemic mixture into its enantiomers. In some cases, SMB chromatography can supplant a traditional manufacturing process by simplifying and reducing the cost of manufacturing. Other uses of SMB technology for the preparation of pharmaceutical ingredients include the purification of a mixture of chemicals. The primary application in this area is the purification of naturally-derived chemical compounds. We have also extended the use of SMB for the removal of “troublesome impurities” and for the recovery of desired product from various side streams, thus increasing the recovery of the desired product (concept trademarked by AFC as SMB Mining). For Fiscal 2013, approximately 28% of AFC sales were derived from products that rely on SMB technology.

Controlled Substance. Controlled substances are a class of compounds that are controlled by the DEA under federal statutes and are classified as Schedule I – V compounds. Manufacturers of controlled substances must hold valid DEA registrations, meet strict security and operating standards to produce these materials with a high level of material accountability, comply with the Controlled Substances Act, and obtain a quota from the DEA for the calendar year. Our high security facilities in Rancho Cordova, California offer us a unique advantage in providing many of the controls required for handling of these compounds. We completed a production line and related infrastructure required for producing Schedule II controlled substances in late Fiscal 2011. The facility was successfully inspected by the DEA and a Schedule II – V manufacturer registration was issued to AFC in Fiscal 2012. The DEA granted AFC a researcher registration for Schedule II – V controlled substances in Fiscal 2007.

The manufacture of controlled substances for U.S. consumption is highly regulated and limited to only a handful of U.S. manufacturers. Under the Controlled Substances Import and Export Act, it is unlawful to import into the U.S. from any place outside thereof any controlled substance in Schedule I or II, or any narcotic, except in any case in which the U.S. Attorney General finds that competition among domestic manufacturers of the controlled substance is inadequate. Consequently, foreign competition for the supply of controlled substances is limited. In addition, AFC’s expertise and experience in producing drugs that require high containment and energetic chemistry, in particular at large volumes, provides an additional competitive advantage in this area. For Fiscal 2013, approximately 4% of AFC sales were derived from products considered controlled substances, all of which were related to development products.

Biocatalysis. One of our newest technology offerings is biocatalysis. This is a developing technology within the industry. Biocatalysis is the use of a catalyst, such as an enzyme, to complete a chemical transformation. After examining the technology from technical, capacity and business development standpoints, we entered into a collaboration agreement with Codexis, Inc. (“Codexis”), an industry leader in this field. Codexis develops proprietary enzymes, the backbone of the technology. Our agreement provides us access to their enzymes as well as their technical resources. Biocatalysis is complementary to our SMB technology. In addition, processes based on biocatalysis can be deployed at our facilities without additional capital investment, making this technology a very efficient and cost-effective tool.

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Continuous Processing. A second developing technology in our industry is continuous processing. We have extensive experience with this technology and have recently started to market this technology for pharmaceutical applications. This technology offers the potential to generate large volumes of material with a relatively small fixed asset footprint and labor need. Earlier this year, we entered into a collaboration agreement with Proteaf Technologies LLC (“Proteaf”) to further expand our offerings in this technology area. Proteaf offers scalable, application-specific solutions using continuous processing techniques for manufacturers of pharmaceutical ingredients and other specialty chemicals. This partnership gives AFC access to the latest continuous processing equipment.

In April 2010, we acquired a multi-purpose chemical manufacturing facility in La Porte, Texas for approximately $1,200 including other direct costs. The facility, which was completed in 2001, specializes in the production of registered intermediates and APIs. The facility was idled in early 2010 prior to our acquisition of the facility. We continue to evaluate options related to when and to what extent this facility will be returned to operations. Activity associated with this facility is included in our Fine Chemicals segment.

Customers and Markets. We have established long-term and in some cases, sole-source contracts with customers that represent the majority of our revenues. Contracts that are not sole-source are limited-source, considering the nature of our industry and the products we manufacture. The inherent nature of custom pharmaceutical fine chemicals manufacturing encourages stable, long-term customer relationships. We work collaboratively with our customers to develop reliable, safe and cost-effective, custom solutions. Once a custom manufacturer has been qualified as a supplier on a cGMP product, there are several potential barriers that discourage transferring the manufacturing of the product to an alternative supplier. For example, applications to and approvals from the FDA and other regulatory authorities generally require the chemical contractor to be named. Switching contractors may require additional regulatory approvals and could take as long as two years to complete. Switching contractors and amending various filings can result in significant costs associated with technology transfer, process validation and refiling with the FDA and other regulatory authorities around the world.

The specific identities of most of our customers are contractually restricted as confidential, subject to certain terms and conditions such as consent or regulatory requirements. Our current customers include both multinational pharmaceutical companies as well as emerging and development-stage pharmaceutical companies. AFC maintains multiyear manufacturing agreements with several large pharmaceutical and biopharmaceutical companies for annual supply of products.

Gilead Sciences, Inc. (“Gilead”) is a significant Fine Chemicals customer. For Fiscal 2013, revenues from Gilead exceeded 10% of our consolidated revenues.

Competition.    The global pharmaceutical fine chemicals industry is both diverse and highly fragmented. Domestic and foreign competition is comprised of numerous participants, both large and small, with no single competitor holding a dominant share of the market. Pharmaceutical fine chemicals manufacturers generally compete based on their breadth of technology base and capabilities, research and development and chemical expertise, availability, flexibility and scheduling of manufacturing capacity, safety record, regulatory compliance history and price.

To compete successfully in the pharmaceutical fine chemicals manufacturing business, we believe that manufacturers must have a broad base of core technologies, world-class manufacturing capabilities and the ability to deliver products on a timely basis at competitive prices. Maintaining compliance with various regulatory requirements, such as cGMP, is also a differentiator. We believe manufacturers must also augment their capabilities with a complete line of complementary services, including process development/engineering, process improvement (from initial synthesis of a new drug candidate through market launch and into commercialization), and continuous improvement. As new projects and products have become increasingly complex and incorporate more challenging timelines, greater importance is being placed on the development of strong customer-supplier relationships.

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To a large extent, our success is tied to the success of the drugs our products are used to make; in general, the more successful the drug is, the more likely our customer is to order additional product from us to support the drug. The success of a customer’s drugs in the marketplace depends on a number of factors, almost all of which are outside our control. However, we can be affected by competitive pressures and other influences faced by our customers including, for example, competition from newly introduced drugs.

Many large pharmaceutical and biotechnology companies have internal manufacturing capabilities that act as the first layer of competition for custom manufacturers like AFC. When a pharmaceutical or biotechnology company outsources a product, it typically selects from a relatively small number of companies, particularly for projects that involve hazardous materials, specialty chemistries or unique production equipment. AFC’s primary competitors vary in size and capabilities, and are mainly located in the U.S. or Western Europe. The table below lists AFC’s current primary competitors by each of AFC’s current technology niches.

High Containment	Energetic and Specialty Processes	Simulated Moving Bed
SAFC (1)	Group Novasep SAS	Group Novasep SAS
Helsinn	OmniChem (2)	SAFC (1)
Cambrex Corp.	Orgomol (3)	Daicel Chemical Industries, Ltd.
OmniChem (2)	Cambrex Corp.

(1) the fine chemicals division of Sigma-Aldrich Corporation

(2) a component of the pharmaceuticals division of Ajinomoto Company

(3) a subsidiary of BASF

OUR SPECIALTY CHEMICALS SEGMENT

Our Specialty Chemicals segment is principally engaged in the production of perchlorates, which include several grades of ammonium perchlorate (“AP”), sodium perchlorate and potassium perchlorate. Sales of perchlorates represented 89% of the segment’s revenues for Fiscal 2013. In addition, we produce and sell sodium azide, a chemical primarily used in pharmaceutical manufacturing, and Halotron^®, a series of clean fire extinguishing agents used in fire extinguishing products ranging from portable fire extinguishers to total flooding systems.

PERCHLORATE PRODUCTS

Overview. We have supplied rocket-grade AP for use in space and defense programs for over 50 years, and we have been the only rocket-grade AP supplier in North America since 1998, when we acquired the AP business of our principal competitor, Kerr-McGee Chemical Corporation (“KMCC”). AP is a key component of solid propellant rockets, booster motors and missiles that are utilized in U.S. Department of Defense (“DOD”) tactical and strategic missile programs, as well as various space programs such as the Delta and Atlas families of commercial space launch vehicles and space exploration programs for the National Aeronautics and Space Administration (“NASA”). There is currently no domestic alternative to the use of these solid rocket motors for national security applications. As a result, we believe that the U.S. government views us as a strategic national resource.

AP is the predominant oxidizing agent for solid propellant rockets, booster motors and missiles used in national defense, space exploration and commercial satellite transportation programs. We expect the AP volume for tactical and strategic missiles to continue at the current levels, and the DOD applications are expected to provide the steady basis for AP demand. A significant number of launch vehicles that provide access to space use solid propellant and thus depend, in part, upon AP.

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We supply AP for use in a number of defense programs, including the Army’s Guided Multiple Launch Rocket System (“GMLRS”) program and the Navy’s Standard Missile and D5 Fleet Ballistic Missile programs. Our principal space customers are Alliant Techsystems, Inc. (“ATK”) for the Space Launch System (“SLS”) and the Delta family of commercial rockets, and Aerojet Rocketdyne, Inc. (“Aerojet”) for the Atlas family of commercial rockets. We have supplied AP to certain foreign defense programs and commercial space programs, although export sales of AP are not significant. The exporting of AP is subject to federal regulation that strictly limits our foreign sales of AP. We obtain export licenses on a case by case basis which are dependent upon the ultimate use of our product.

While the U.S. government budgeting process will affect the total demand for rocket-grade AP, we expect volume within the range of 2.5 million to 5.0 million pounds per year. Further, we expect that unit pricing will continue to vary inversely to volume. As a result, we forecast that this segment will continue to achieve reliable annual revenues, without significant growth opportunities.

The most predictable and steady use of AP is expected to be in the DOD applications. The need for tactical rockets and strategic missiles is anticipated to provide the base demand over the coming five-year period and beyond.

SLS is developing the Heavy Launch Vehicle (“HLV”). The current baseline configuration for HLV uses two solid rocket boosters, similar to, but larger than, the retired Space Shuttle Reusable Solid Rocket Motor. Hence, this will demand the use of rocket-grade AP. During the development phase of approximately four years, the demand should be one to two million pounds per year. In the launch phase after development, the demand for rocket-grade AP from HLV should be more significant. While there is still potential to shift to liquid boosters in the future, once the new solid rocket boosters are developed, we believe there will be no advantage to switching to a different technology.

In addition, there are other commercial concepts such as the Liberty System which are also expected to use AP. The potential demand for these systems is not included in the current forecasts and would represent an increase in demand for AP, but would not have a significant impact on revenues due to our pricing structure.

We have little ability to directly influence the demand for rocket-grade AP. In addition, demand for rocket-grade AP is program-specific and dependent upon, among other things, governmental appropriations. Any decision to delay, reduce or cancel programs could have a significant adverse effect on our results of operations, cash flow and financial condition. However, our ability to adjust pricing through customer agreements and catalog pricing should help to mitigate the degree of the effect on our financial performance.

We also produce and sell a number of other grades of AP and different types and grades of sodium and potassium perchlorates (collectively “other perchlorates”). Other perchlorates have a wide range of prices per pound, depending upon the type and grade of the product. Other perchlorates are used in a variety of applications, including munitions, explosives, propellants, perchloric acid, initiators, electronics, batteries, plastics, electro machining and porcelain. Some of these applications are in a development phase, and there can be no assurance of the success of these initiatives.

Perchlorate products accounted for 34%, 33% and 37% of consolidated revenues in Fiscal 2013, Fiscal 2012, and Fiscal 2011, respectively.

Customers and Markets. Prospective purchasers of rocket-grade AP consist principally of rocket motor manufacturers in programs of the DOD and NASA. The specialized nature of the activities of these contractors restricts competitive entry by others. Therefore, there are relatively few potential customers for rocket-grade AP, and individual rocket-grade AP customers account for a significant portion of our revenues. Prospective customers also include companies providing commercial satellite launch services and agencies of foreign governments and their contractors.

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ATK is a significant AP customer. We sell rocket-grade AP to ATK under a long-term contract, initially established in 1997, that requires us to maintain a ready and qualified capacity for rocket-grade AP and that requires ATK to purchase its rocket-grade AP requirements from us, subject to certain terms and conditions. Under the long-term contract, pricing varies inversely to volume and includes annual escalations. In May 2013, we extended our contract with ATK to include Fiscal 2014 through Fiscal 2016 and established a price volume matrix that provides fixed pricing for annual rocket-grade AP volumes ranging from 2.5 million to 7.5 million pounds.

Aerojet is also a significant AP customer. For Fiscal 2013, revenues from Aerojet exceeded 10% of our consolidated revenues.

Technologies and Facilities. We produce AP at our Iron County, Utah, manufacturing facility, which utilizes our proprietary electrochemical technology and is ISO 9001, ISO 14000 and OHSAS 18000 certified. The facility is the only one of its kind in North America. Its construction financing was supported in 1988 by the U.S. government due to the strategic importance of AP to the U.S. government’s access to space and for military applications.

As currently configured, this facility is capable of producing 30 million pounds of perchlorate chemicals annually. Rocket-grade AP produced at the facility and propellants incorporating such AP have been qualified for use in all programs for which testing has been conducted, including the Space Shuttle, Minuteman, Multiple Launch Rocket System, and the Delta, Pegasus, Atlas and SLS programs.

Our perchlorate chemicals facility incorporates modern equipment and materials-handling systems designed, constructed and operated in accordance with the operating and safety requirements of our customers, insurance carriers and governmental authorities. Redundant equipment is installed to improve reliability and schedule compliance.

Perchlorate chemicals are manufactured by electrochemical processes using our proprietary technology. The principal raw materials used in the manufacture of AP (other than electricity) are sodium chlorate, ammonia and hydrochloric acid. Graphite is used in the fabrication of the electrolytic cells which are replaced on a periodic basis. All of the raw materials used in the manufacturing process are available in commercial quantities.

Competition. Upon consummation of the acquisition of certain assets and rights of KMCC in 1998, we became the sole North American commercial producer of perchlorate chemicals. Based on the current size of the AP market, the rigorous and time-consuming requirements to qualify as an AP supplier for government or commercial launch vehicles, and the high capital requirements for building an AP manufacturing facility, we believe building a competing facility in North America is not a viable option for a potential competitor.

We are aware of production capacity for perchlorate chemicals (including AP) in France, Japan, Brazil, China, India and possibly Taiwan. Although we have limited information with respect to these facilities, we believe that these foreign producers are not approved as AP suppliers for most DOD or NASA programs, which represent the majority of domestic AP demand. In addition, we believe that the rigorous and sometimes costly DOD or NASA program qualification processes, the strategic nature of such programs, the high cost of constructing a perchlorate chemicals facility, and our established relationships with key customers constitute significant hurdles to entry for prospective competitors.

SODIUM AZIDE

In July 1990, we entered into agreements with Dynamit Nobel A.G. under which it licensed to us its technology and know-how for the production of sodium azide. Thereafter, commencing in 1992, we constructed a production facility for sodium azide adjacent to our perchlorate manufacturing facility in Iron County, Utah, and began selling sodium azide in 1993. Sodium azide products accounted for 2% of consolidated revenues in each of Fiscal 2013, Fiscal 2012 and Fiscal 2011.

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Market. The total demand for sodium azide is primarily from non-U.S. markets. Currently, sodium azide made by the Company is sold for use principally in the synthesis of pharmaceutical fine chemicals and other smaller niche markets.

We have an on-going program to evaluate our participation in other markets which currently or might in the future use sodium azide or other sodium-based products.

Customers. Pharmaceutical businesses comprise the majority of end users.

Competition. We believe that current competing sodium azide production capacity includes at least one producer in Japan and at least three substantial producers in India, including Island Veer Chemie, Corvine, and Alkali Metals.

HALOTRON PRODUCTS

Halotron is a series of halocarbon-based clean fire extinguishing agents that incorporate proprietary blends of chemicals and hardware. Conventional fire extinguishing agents, such as those based on sodium bicarbonate and mono-ammonium phosphate (“ABC dry chemical”) consist of finely divided solid powders. These agents leave a coating upon discharge that is typically costly to remove after a fire event. In contrast, the Halotron clean agents add value to the user since they are discharged either as a rapidly evaporating liquid or a gas that leaves no residue, which minimizes or eliminates possible moderate or severe damage to valuable assets (such as electronic equipment, machinery, motors and most materials of construction).

Halotron I was designed to replace severe ozone depleting halon 1211 in all applications and Halotron II to replace halon 1301 in limited applications. Halon 1211 and 1301, both brominated chlorofluorocarbon chemicals, were widely used worldwide as clean fire extinguishing agents prior to 1994. In 1987 the Montreal Protocol on Substances that Deplete the Ozone Layer (the “Protocol”) was signed by more than 50 countries, including the U.S., and it stipulated restrictions on the new production (which ended in developed countries at the end of 1993) and use of halons.

Halon 1211 is a streaming agent (where the agent is discharged manually toward a target) used in hand-held fire extinguishers. Halon 1301 is used in fixed total flooding systems (where discharges are made automatically to “flood” a space to a predetermined concentration within a confined space), for example, in computer rooms and engine compartments. Both halon 1211 and 1301 are still used in the U.S. and elsewhere on a much more limited basis than in the periods prior to 1994.

Halotron I is based on a class II substance (as defined by the Protocol) raw material which has a near zero ozone depletion potential. Class II substances are, according to current adjustments and amendments to the Protocol (which evolve over time), subject to a new production phase out between 2015 and 2030, depending on the country.

Halotron products accounted for 2%, 2% and 3% of consolidated revenues in Fiscal 2013, Fiscal 2012 and Fiscal 2011, respectively.

Customers and Market. Our largest Halotron I customer is Amerex Corporation. Since 1998, Amerex Corporation has incorporated bulk Halotron I manufactured by us into a full line of Underwriters Laboratories Inc. (“UL”) listed portables. We also sell Halotron I to other large Original Equipment Manufacturers (“OEMs”) based in the U.S., including Buckeye Fire Equipment, Kidde Residential and Commercial (a division of United Technologies Corporation (“UTC”)) and Badger Fire Protection (a division of UTC). In addition, over 110 commercial airports in the U.S. have 500 lb type FAA approved Halotron I systems on their aircraft rescue and fire fighting (“ARFF”) vehicles.

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The end-user market for non-halon clean fire extinguishing agents is generally divided into five application segments: (i) industrial, (ii) commercial, (iii) military, (iv) civil aviation and (v) maritime, with industrial and commercial being the largest. The industrial segment includes manufacturing plants, computer component clean rooms and telecommunications facilities. The commercial segment includes general office buildings spaces and computer data rooms.

We also actively market Halotron I into foreign countries which include Canada, India, Indonesia, Korea, Pakistan, the Philippines, Saudi Arabia, Singapore and Thailand, among others. The primary market for Halotron II, which is sold in limited volume, is Scandinavia. Additional markets for Halotron II, primarily in UL-listed hardware to be sold in the U.S., are under development.

Competition. The primary competing product to Halotron I is FE36^™, manufactured by DuPont. It is a hydrofluorocarbon-based (HFC-based) product that is sold in UL-listed portable fire extinguishers through one major OEM. There remains a small recycled halon 1211 market that competes with Halotron I. The other principal competing product to Halotron I in the conventional agent category (not clean agents) is an ABC dry chemical (mono ammonium phosphate), which is the highest volume product component in portable fire extinguishers and is offered by all fire extinguisher manufacturers in the U.S. This agent is substantially less expensive than Halotron I. Carbon dioxide is a clean agent and competitor; however, it is much less effective. Another competing product line is the Novec™ series from 3M™ Company. Novec 1230 is commercialized with limited market share of the total flooding market and it is not currently offered broadly in UL-listed portable fire extinguishers.

Clean agents compete based primarily on performance characteristics (including fire rating and throw range), toxicity, and price. The environmental and human health effects that are evaluated include ozone depletion potential, global warming potential and toxicity.

OUR OTHER BUSINESSES SEGMENT

WATER TREATMENT EQUIPMENT. PEPCON Systems, an operating division of the Company, is a leading manufacturer and supplier of On-Site Hypochlorite Generation systems. We design, manufacture and service equipment used to purify water or air in municipal, industrial and power generation applications. The systems are marketed under the ChlorMaster™ and Odormaster™ names. Sodium hypochlorite is used by: (i) power plants, desalination plants, chemical plants and on-shore/off-shore crude oil facilities for the control of marine growth in seawater used in cooling water circuits; (ii) municipalities and sewage plants for the disinfection of drinking water, effluent and waste water; and (iii) composting plants for the deodorizing of malodorous compounds in contaminated air.

Our technology to produce sodium hypochlorite on site involves a proprietary bi-polar electrochemical cell which uses brine or seawater and electricity to produce sodium hypochlorite. For drinking water applications, these cells can be supplied with a certification from the National Sanitation Foundation.

Our systems are marketed domestically and internationally through a combination of direct sales and independent sales representatives and licensees. We also market our business through advertising and attendance at key industry trade shows.

PEPCON Systems competes with companies that utilize other technologies and those that utilize technologies similar to ours. Some of these companies are substantially larger and more diversified. Our success depends principally on our ability to be cost competitive and, at the same time, to provide a quality product. A significant portion of our water treatment equipment sales are derived from opportunities in the Middle East and Asia.

REAL ESTATE. Our real estate operations are not significant. In Fiscal 2005 we completed the sale of all our Nevada real estate assets that were targeted for sale.

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REGULATORY COMPLIANCE

FEDERAL ACQUISITION REGULATIONS. As a supplier to U.S. government projects, we have been and may be subject to audit and/or review by the government with respect to the negotiation and performance of, and of the accounting and general practice relating to, government contracts. Most of our contracts for the sale of AP are in whole or in part subject to the commercial sections of the Federal Acquisition Regulations. Our AP pricing practices have been and may be reviewed by our customers and by certain government agencies.

FDA AND SIMILAR REGULATORY AGENCIES. AFC produces pharmaceutical ingredients in accordance with cGMP. Its facilities are designed and operated to satisfy regulatory agencies such as the FDA, the EMA and Japan’s PMDA. AFC’s regulatory status is maintained via comprehensive quality systems in compliance with FDA requirements set forth in the U.S. Code of Federal Regulations (21 CFR Parts 210 and 211). Regulatory authorities mandate, by law, the use of cGMP throughout the production of APIs and registered intermediates. The cGMP guidelines cover a broad range of quality systems, including manufacturing activities, quality assurance, facilities, equipment and materials management, production and in-process controls, storage and distribution, laboratory control, validation and change control, as well as the documentation and maintenance of records for each. All of these functions have a series of critical activities associated with them. In addition, manufacturing equipment, scientific instruments and software must be validated and their use documented. AFC also produces pharmaceutical ingredients classified as controlled substances by the DEA. Compliance with these regulations requires strict adherence to security, custody, recordkeeping and similar matters.

ENVIRONMENTAL MATTERS. Our operations are subject to extensive federal, state and local regulations governing, among other things, emissions to air, discharges to water and waste management. We believe that we are currently in compliance in all material respects with all applicable environmental, safety and health requirements and, subject to the matters discussed below, we do not anticipate any material adverse effects from existing or known future requirements. To meet changing licensing and regulatory standards, we may be required to make additional significant site or operational modifications, potentially involving substantial expenditures or the reduction or suspension of certain operations. In addition, the operation of our manufacturing plants entails risk of adverse environmental and health effects (which may not be covered by insurance) and there can be no assurance that material costs or liabilities will not be incurred to rectify any past or future occurrences related to environmental or health matters.

Regulatory Review of Perchlorates. Our Specialty Chemicals segment manufactures and sells products that contain perchlorates. Currently, perchlorate is on Contaminant Candidate List 3 of the U.S. EPA. In February 2011, the EPA announced that it had determined to move forward with the development of a regulation for perchlorates in drinking water, reversing its October 2008 preliminary determination not to promulgate such a regulation. Accordingly, the EPA announced its intention to begin to evaluate the feasibility and affordability of treatment technologies to remove perchlorate and to examine the costs and benefits of potential standards. The EPA has conducted various meetings, as required by the Safe Drinking Water Act, including a meeting of the Science Advisory Board, whose report was issued May 29, 2013. We continue to monitor activities and currently expect, based on EPA statements, that the earliest a final regulation is expected to be published is December 2014. Regulatory review and anticipated regulatory actions present general business risk to the Company, but no regulatory proposal of the EPA or any state in which we operate, to date, has been publicly announced that we believe would have a material effect on our results of operations and financial position or that would cause us to significantly modify or curtail our business practices, including our remediation activities discussed below.

Perchlorate Remediation Project in Henderson, Nevada. We commercially manufactured perchlorate chemicals at a facility in Henderson, Nevada (the “AMPAC Henderson Site”) from 1958 until the facility was destroyed in May 1988, after which we relocated our production to a new facility in Iron County, Utah. Legacy production at the AMPAC Henderson Site resulted in perchlorate presence in the groundwater near the vicinity of the former facility.

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At the direction of the Nevada Division of Environmental Protection (“NDEP”) and the EPA, we conducted an investigation of remediation technologies for perchlorate in groundwater with the intention of remediating groundwater near the AMPAC Henderson Site. In 2002, we conducted a pilot test and in Fiscal 2005, we submitted a work plan to NDEP for the construction of a remediation facility near the AMPAC Henderson Site. The conditional approval of the work plan by NDEP in our third quarter of Fiscal 2005 allowed us to generate estimated costs for the installation and operation of the remediation facility to address perchlorate at the AMPAC Henderson Site. We commenced construction in July 2005. In December 2006, we began operations of the permanent facility. The location of this facility is several miles, in the direction of groundwater flow, from the AMPAC Henderson Site.

From time to time, we held discussions with NDEP to formalize our remediation efforts in an agreement. In June 2013, we entered into an Administrative Order on Consent (the “AOC”) with NDEP. We have been conducting our remediation efforts in cooperation with NDEP. Accordingly, the formalization of our remediation efforts under an AOC had no significant effect on our scope of activities or cost estimates. Significant terms of the AOC include:

— formalizing the oversight of ongoing or modified remediation efforts required by NDEP;

— procedures for reimbursing NDEP for past and future oversight costs;

— providing NDEP with enforcement mechanisms to ensure compliance with the AOC, including stipulated penalties for failures to comply with certain requirements under the AOC;

— preservation of AMPAC’s right to make future cost recovery or contribution claims;

— providing a procedure for closing parts or all of the remediation efforts once goals are achieved; and

— resolving certain environmental liability claims that NDEP might have had without the AOC.

Henderson Site Environmental Remediation Reserve. We accrue for anticipated costs associated with environmental remediation that are probable and estimable. On a quarterly basis, we review our estimates of future costs that could be incurred for remediation activities. In some cases, only a range of reasonably possible costs can be estimated. In establishing our reserves, the most probable estimate is used; otherwise, we accrue the minimum amount of the range.

During Fiscal 2005 and Fiscal 2006, we recorded aggregate charges of $26,000 representing our estimates at the time of the probable costs of our remediation efforts at the AMPAC Henderson Site, including the costs for capital equipment and on-going operating and maintenance (“O&M”).

Late in Fiscal 2009, we gained additional information from groundwater modeling that indicated groundwater emanating from the AMPAC Henderson Site in certain areas in deeper zones (more than 150 feet below ground surface) was moving toward our existing remediation facility at a much slower pace than previously estimated. Utilization of our existing facilities alone, at this slower groundwater pace, could, according to this groundwater model, extend the life of our remediation project to well in excess of 50 years. As a result of this additional data, related model interpretations and consultations with NDEP, we reevaluated our remediation operations and determined that we should be able to improve the effectiveness of the treatment program and significantly reduce the total project time by expanding the treatment system existing at the time. The expansion included installation of additional groundwater extraction wells in the deeper, more concentrated areas, construction of an underground pipeline to move extracted groundwater to our treatment facility, and the addition of fluidized bed reactor (“FBR”) bioremediation treatment equipment (the “Expansion Project”) that will enhance, and in some cases replace, primary components of the existing treatment system. In our Fiscal 2009 fourth quarter, we accrued $13,700 as our initial estimate of the capital cost of the Expansion Project and the related estimates of the effects of the enhanced operations on the on-going O&M costs and project life.

Through June 2011, and in cooperation with NDEP, we worked to develop the formal design, engineering and permitting of the Expansion Project. Based on data obtained through that date, which was largely comprised of firm quotations, we determined that significant modifications to our Fiscal 2009 assumptions were required. As a result, in June 2011, we accrued an additional $6,000 for the estimated increase in cost of the capital component of the Expansion Project, offset slightly by reductions in O&M cost estimates. The estimated capital costs of the Expansion Project increased by approximately $6,400. The

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increase reflected (i) an increase in the capacity of the FBR bioremediation treatment equipment to accommodate technical requirements based on the testing of new extraction wells in the fall of 2010, and (ii) higher than initially anticipated cost associated with the installation of the equipment and construction of the pipeline. Our estimate of total O&M costs was reduced by approximately $400.

In September 2012, we commenced initial operation of the Expansion Project with planned start up activities completed in Fiscal 2013. System optimization will continue in Fiscal 2014. In September 2012, we recorded an additional remediation charge in the amount of $700, which is substantially attributed to the true-up of estimates to the expected final cost of the Expansion Project. Due to uncertainties inherent in making estimates, our estimates of capital and O&M costs may later require significant revision as new facts become available and circumstances change.

The estimated life of the project is a key assumption underlying the accrued estimated cost of our remediation activities. Groundwater modeling and other information regarding the characteristics of the surrounding land and demographics indicate that at our targeted processing rates and targeted perchlorate mass destruction rates, the life of the project could range from five to 18 years from the date that the Expansion Project was placed in service. Further, the data indicates that within that range, seven to 14 years is the more likely range. In accordance with generally accepted accounting principles, if no point within the more likely range is considered more likely than another, then estimates should be based on the low end of the range. Accordingly, our accrued remediation cost includes estimated O&M costs through 2019, which is the low end of the likely range of the project life. Groundwater speed, perchlorate concentrations, aquifer characteristics and forecasted groundwater extraction rates will continue to be key factors considered when estimating the life of the project. If additional information becomes available in the future that leads to a different interpretation of the model, thereby dictating a change in equipment and operations, our estimate of the resulting project life could change significantly.

The estimate of the annual O&M cost of the project is a key assumption in our computation of the estimated cost of our remediation activities. To estimate future O&M costs, we consider, among other factors, the remaining project scope and historical expense rates to develop assumptions regarding labor, utilities, repairs, maintenance supplies and professional services costs. We estimate average annual O&M costs to range from approximately $1,800 to $2,100. If additional information becomes available in the future that is different than information currently available to us and thereby leads us to different conclusions, our estimate of O&M expenses could change significantly.

In addition, certain remediation activities are conducted on public lands under operating permits. In general, these permits may require us to relocate our underground pipeline or equipment to accommodate future public utilities and features and require us to return the land to its original condition at the end of the permit period. If we are required to relocate our underground pipeline or equipment in the future, the costs of such activities would be incremental to our current cost estimates. Estimated costs associated with removal of remediation equipment from the land are not material and are included in our range of estimated costs.

As of September 30, 2013, the aggregate range of anticipated environmental remediation costs was from approximately $8,300 to approximately $32,000. This range represents a significant estimate and is based on the estimable elements of cost for capital and O&M costs, and an estimated remaining operating life of the project through a range from the years 2017 to 2030. As of September 30, 2013, the accrued amount was $11,947, based on an estimated remaining life of the project through the year 2019, or the low end of the more likely range of the expected life of the project. Cost estimates are based on our current assessments of the facility configuration. As we proceed with the project, we have, and may in the future, become aware of elements of the facility configuration that must be changed to meet the targeted operational requirements. Certain of these changes may result in corresponding cost increases. Costs associated with the changes are accrued when a reasonable alternative, or range of alternatives, is identified and the cost of such alternative is estimable. Our estimated reserve for environmental remediation is based on information currently available to us and may be subject to material adjustment upward or downward in future periods as new facts or circumstances may indicate.

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AFC Environmental Matters. The primary operations of our Fine Chemicals segment are located on land leased from Aerojet Rocketdyne, Inc., a wholly-owned subsidiary of GenCorp, Inc. (“GenCorp”). The leased land is part of a tract of land owned by Aerojet designated as a “Superfund Site” under the Comprehensive Environmental Response, Compensation, and Liability Act of 1980 (“CERCLA”). The tract of land had been used by Aerojet and affiliated companies to manufacture and test rockets and related equipment since the 1950s. Although the chemicals identified as contaminants on the leased land were not used by Aerojet Fine Chemicals LLC as part of its operations, CERCLA, among other things, provides for joint and severable liability for environmental liabilities including, for example, environmental remediation expenses.

As part of the agreement by which we acquired the business of AFC from GenCorp, an Environmental Indemnity Agreement was entered into whereby GenCorp agreed to indemnify us against any and all environmental costs and liabilities arising out of or resulting from any violation of environmental law prior to the effective date of the sale, or any release of hazardous substances by Aerojet Fine Chemicals LLC, Aerojet or GenCorp on the AFC premises or Aerojet’s Sacramento site prior to the effective date of the sale.

On November 29, 2005, EPA Region IX provided us with a letter indicating that the EPA does not intend to pursue any clean up or enforcement actions under CERCLA against future lessees of the Aerojet property for existing contamination, provided that the lessees do not contribute to or do not exacerbate existing contamination on or under the Aerojet Superfund site.

OTHER MATTERS

BACKLOG.

Fine Chemicals. Agreements with our Fine Chemicals segment customers typically include multi-year supply agreements. These agreements may contain provisional order volumes, minimum order quantities, take-or-pay provisions, termination fees and other customary terms and conditions, which we do not include in our computation of backlog. Fine Chemicals segment backlog includes unfulfilled firm purchase orders received from a customer, including both purchase orders which are issued against a related supply agreement and stand-alone purchase orders. Fine Chemicals segment backlog was $90,300 and $80,500 as of September 30, 2013 and 2012, respectively. We anticipate order backlog as of September 30, 2013 to be substantially filled during Fiscal 2014. The amount in backlog can fluctuate and is dependent on a number of factors, including the timing of when customers issue purchase orders to AFC.

Specialty Chemicals. Specialty Chemicals segment backlog includes unfulfilled firm purchase orders received from a customer, including both purchase orders which are issued against long-term supply agreements and stand-alone purchase orders. Specialty Chemicals segment backlog was $28,000 and $25,100 as of September 30, 2013 and 2012, respectively. We anticipate order backlog as of September 30, 2013 to be substantially filled during Fiscal 2014. Specialty Chemicals product orders are typically characterized by individually large orders which occur at various times during the fiscal year. This usually results in a backlog and revenue pattern which can vary significantly from quarter to quarter.

INTELLECTUAL PROPERTY. Most of our intellectual property consists of trade secrets, patents, and know-how. In addition, our intellectual property includes our name, exclusive and nonexclusive licenses to other patents, and trademarks. The following are registered U.S. trademarks and service marks pursuant to applicable intellectual property laws and are the property of the Company: AMPAC (with logo)^®, CHLORMASTER^®, EXCEEDING CUSTOMER EXPECTATIONS^®, HALOTRON^®, ODORMASTER^®, PEPCON^®, POLYFOX^®, SMB MINING^®, TURBO SMB^TM, and MagRALA^TM. In addition, we have various foreign registrations for AMPAC (with logo) and HALOTRON.

RAW MATERIALS AND MANUFACTURING COSTS. The principal elements comprising our cost of sales are raw materials, processing aids, component parts, utilities, direct labor, manufacturing overhead (purchasing, receiving, inspection, warehousing, safety, and facilities), waste, depreciation and amortization. A substantial portion of the total cash costs of operating our Specialty Chemicals and Fine Chemicals plants, consisting mostly of labor and overhead, are largely fixed in nature.

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Fine Chemicals. Our Fine Chemicals segment raw materials consist primarily of chemicals, including specialty and bulk chemicals, which include petroleum-based solvents. AFC maintains supply contracts with a small number of well-established bulk commodity chemical manufacturers and distributors. Although the contracts do not protect against price increases, they do help to ensure a consistent supply of high-quality chemicals. In addition, for chemicals that are not considered commodities or otherwise readily available in bulk form, AFC has supply agreements with multiple sources, when possible, to help ensure a constant and reliable supply of these chemicals. However, some customers require AFC to purchase only from the supplier designated by the customer. In several cases, these sole-source raw materials are from Asian suppliers. Such situations can arise, for example, for a new drug or a drug under development for which the supply chain is still being developed and expanded. In at least one instance where a chemical is a key ingredient to a process and is only available from one or a very small number of suppliers, AFC itself is an alternative supply source and can manufacture the chemical in-house if necessary.

Specialty Chemicals. The major raw materials used in our Specialty Chemicals segment production processes are graphite, sodium chlorate, ammonia, hydrochloric acid, sodium metal, nitrous oxide and HCFC-123. Our operations consume a significant amount of power (electricity and natural gas); the pricing of these power costs can be volatile. Significant increases in the cost of raw materials or component parts may have an adverse impact on margins if we are unable to pass along such increases to our customers. All raw materials used in our manufacturing processes typically are available in commercial quantities.

GOVERNMENT CONTRACTS SUBJECT TO TERMINATION. U.S. government contracts are dependent on the continuing availability of congressional appropriations. Congress usually appropriates funds for a given program on a fiscal year basis even though contract performance may take more than one year. As a result, at the outset of a major program, the contract is usually incrementally funded, and additional monies are normally committed to the contract by the procuring agency only as Congress makes appropriations for future fiscal years. In addition, most U.S. government contracts are subject to modification if funding is changed. Any failure by Congress to appropriate additional funds to any program in which we or our customers participate, or any contract modification as a result of funding changes, could materially delay or terminate the program for us or for our customers. Since our significant customers in our Specialty Chemicals segment are mainly U.S. government contractors or subcontractors subject to this yearly congressional appropriations process, their purchase of our products are also dependent on their U.S. government contracts not being materially curtailed. In addition, to the extent we are acting as a subcontractor to U.S. government contractors, we are subject to the risk that the U.S. government may terminate its contracts with its contractors either for its convenience or in the event of a default by the applicable contractor. Furthermore, since our significant customers are U.S. government contractors, they may cease purchasing our products if their contracts are terminated, which may have a material adverse effect on our operating results, financial condition or cash flow.

INSURANCE. We maintain liability and property insurance coverage at amounts that management believes are sufficient to meet our anticipated needs in light of historical experience to cover future litigation and claims. There is no assurance, however, that we will not incur losses beyond the limits of, or outside the coverage of, our insurance.

EMPLOYEES. At September 30, 2013, we employed approximately 530 persons in executive, administrative, sales and manufacturing capacities. We consider our relationships with our employees to be satisfactory.

At September 30, 2013, approximately 176 employees of our Fine Chemicals segment were covered by a collective bargaining agreement which expires in June 2016.

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AVAILABLE INFORMATION. We are subject to the informational requirements of the Securities Exchange Act of 1934, as amended, and file or furnish reports, proxy statements, and other information with the SEC. We make our annual reports on Form 10-K, our quarterly reports on Form 10-Q, our current reports on Form 8-K and all amendments to these reports, if any, available free of charge on our corporate website at http://www.apfc.com as soon as reasonably practicable after such reports are filed with, or furnished to, the SEC. The information contained on our website is not part of this report or incorporated by reference herein.

The public may read and copy any materials we file with or furnish to the SEC at the Public Reference Room maintained by the SEC located at 100 F Street, N.E., Washington, D.C. 20549. You can request copies of these documents by writing to the SEC and paying a fee for the copying costs. Information on the operation of the Public Reference Room can be obtained by calling the SEC at 1-800-SEC-0330. The SEC maintains an Internet site that contains reports, proxy and information statements and other information regarding issuers that file electronically with the SEC, including the Company, at http://www.sec.gov.

Item 1A. Risk Factors (Dollars in Thousands)

Our business, financial condition and operating results can be affected by a number of factors, including those described below, any one of which could cause our actual results to vary materially from recent results or from our anticipated future results. Any of these risks could also materially and adversely affect our business, financial condition or the price of our common stock or other securities. In addition to the other information contained in this annual report on Form 10-K and our other filings with the SEC, the following risk factors should be considered carefully before you decide whether to buy, hold or sell our common stock. Additional risks not presently known to us or that we currently deem immaterial may also impair our business, financial conditions, results of operations and stock price.

We depend on a limited number of customers and products for most of our sales and the loss of one or more of these customers or products could have a material adverse effect on our financial position, results of operations and cash flows.

Most of the perchlorate chemicals we produce, which accounted for 89% of our revenues in the Specialty Chemicals segment for Fiscal 2013 and approximately 34% of our consolidated revenues for Fiscal 2013, are purchased by two customers. Should our relationship with any of our major Specialty Chemicals customers change adversely, the resulting loss of business could have a material adverse effect on our financial position, results of operations and cash flows. In addition, if any of our major Specialty Chemicals customers substantially reduced their volume of purchases from us or otherwise delayed some or all of their purchases from us, it could have a material adverse effect on our financial position, results of operations and cash flows. Should one of our major Specialty Chemicals customers encounter financial difficulties, the exposure on uncollectible receivables and unusable inventory could have a material adverse effect on our financial position, results of operations and cash flows.

Furthermore, our Fine Chemicals segment’s success is largely dependent upon the manufacturing by AFC of a limited number of active pharmaceutical ingredients and registered intermediates for a limited number of key customers. One customer of AFC accounted for 28% of our consolidated revenue and the top two customers of AFC accounted for 64% of its revenues, and 37% of our consolidated revenues, in Fiscal 2013. Negative developments in these customer relationships or in either of the customer’s business, or failure to renew or extend certain contracts, may have a material adverse effect on the results of operations of AFC. Moreover, from time to time key customers have reduced their orders, and one or more of these customers might reduce their orders in the future, or one or more of them may attempt to negotiate lower prices, any of which could have a similar negative effect on the results of operations of AFC. If the pharmaceutical products that AFC’s customers produce using its compounds experience any problems, including problems related to their safety or efficacy, delays in filing with or approval by the FDA, or other regulatory agencies, failures in achieving success in the market, expiration or loss of patent/regulatory protection, or competition, including competition from generic drugs, these customers may substantially reduce or cease to purchase AFC’s compounds, which could have a material adverse effect on the revenues and results of operations of AFC.

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The inherent limitations of our fixed-price or similar contracts may impact our profitability.

A substantial portion of our revenues are derived from our fixed-price or similar contracts. When we enter into fixed-price contracts, we agree to perform the scope of work specified in the contract for a predetermined price. Many of our fixed-price or similar contracts require us to provide a customized product over a long period at a preestablished price or prices for such product. For example, when AFC is initially engaged to manufacture a product, we often agree to set the price for such product, and any time-based increases to such price, at the beginning of the contracting period and prior to fully testing and beginning the customized manufacturing process. Depending on the fixed price negotiated, these contracts may provide us with an opportunity to achieve higher profits based on the relationship between our total estimated contract costs and the contract’s fixed price. However, we bear the risk that increased or unexpected costs, or external factors that may impact contract costs, fixed prices or profit yields, such as fluctuations in international currency exchange rates, may reduce our profit or cause us to incur a loss on the contract, which could reduce our net sales and net earnings. Ultimately, fixed-price contracts and similar types of contracts present the inherent risk of unreimbursed cost overruns and unanticipated external factors that negatively impact contract costs, fixed prices or profit yields, any of which could have a material adverse effect on our operating results, financial condition, or cash flows. Moreover, to the extent that we do not anticipate the increase in cost or the effect of external factors over time on the production or pricing of the products which are the subject of our fixed-price contracts, our profitability could be adversely affected.

The numerous and often complex laws and regulations and regulatory oversight to which our operations and properties are subject, the cost of compliance, and the effect of any failure to comply could reduce our profitability and liquidity.

The nature of our operations subject us to extensive and often complex and frequently changing federal, state, local and foreign laws and regulations and regulatory oversight, including with respect to emissions to air, discharges to water and waste management as well as with respect to the sale and, in certain cases, export of controlled products. For example, in our Fine Chemicals segment, modifications, enhancements or changes in manufacturing sites of approved products are subject to complex regulations of the FDA, and, in many circumstances, such actions may require the express approval of the FDA, which in turn may require a lengthy application process and, ultimately, may not be obtainable. The facilities of AFC are periodically subject to scheduled and unscheduled inspection by the FDA and other governmental agencies. Operations at these facilities could be interrupted or halted if such inspections are unsatisfactory and we could experience fines and/or other regulatory actions if we are found not to be in regulatory compliance. AFC’s customers face similarly high regulatory requirements. Before marketing most drug products, AFC’s customers are required to obtain approval from the FDA based upon preclinical testing, clinical trials showing safety and efficacy, chemistry and manufacturing control data, and other data and information. The generation of these required data is regulated by the FDA and can be time-consuming and expensive, and the results might not justify approval. In some cases, approval is required from other regulatory agencies such as the DEA. Even if AFC’s customers are successful in obtaining all required premarketing approvals, postmarketing requirements and any failure on either AFC’s or its customers’ part to comply with other regulations could result in suspension or limitation of approvals or commercial activities pertaining to affected products.

Because we operate in highly regulated industries, we may be affected significantly by legislative and other regulatory actions and developments concerning or impacting various aspects of our operations and products or our customers. To meet changing licensing and regulatory standards, we may be required to make additional significant site or operational modifications, potentially involving substantial expenditures or the reduction or suspension of certain operations. For example, in our Fine Chemicals segment, any regulatory changes could impose, on AFC or its customers, changes to manufacturing methods or facilities, pharmaceutical importation, expanded or different labeling, new approvals, the recall, replacement or discontinuance of certain products, additional record keeping, testing, price or purchase controls or limitations, and expanded documentation of the properties of certain products and scientific substantiation. AFC’s failure to comply with governmental regulations, in particular those of the FDA and DEA, can result in fines, unanticipated compliance expenditures, recall or seizure of products, delays in, or total or partial suspension or withdrawal of, approval of production or distribution, suspension of the

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FDA’s review of relevant product applications, termination of ongoing research, disqualification of data for submission to regulatory authorities, enforcement actions, injunctions and criminal prosecution. Under certain circumstances, the FDA also has the authority to revoke previously granted drug approvals. Although we have instituted internal compliance programs, if regulations or the standards by which they are enforced change and/or compliance is deficient in any significant way, such as a failure to materially comply with the FDA’s current Good Manufacturing Practices or “cGMP” guidelines, or if a regulatory authority asserts publically or otherwise such a deficiency or takes action against us whether or not the underlying asserted deficiency is ultimately found to be sustainable, it could have a material adverse effect on us. In our Specialty Chemicals and Fine Chemicals segments, changes in environmental regulations could result in requirements to add or modify emissions control, water treatment, or waste handling equipment, processes or arrangements, which could impose significant additional costs for equipment at and operation of our facilities.

Moreover, in other areas of our business, we, like other government and military subcontractors, are subject indirectly in many cases to government contracting regulations and the additional costs, burdens and risks associated with meeting these heightened contracting requirements. Failure to comply with government contracting regulations may result in contract termination, the potential for substantial civil and criminal penalties, and, under certain circumstances, our suspension and debarment from future U.S. government contracts for a period of time. For example, these consequences could be imposed for failing to follow procurement integrity and bidding rules, employing improper billing practices or otherwise failing to follow cost accounting standards, receiving or paying kickbacks or filing false claims. In addition, the U.S. government and its principal prime contractors periodically investigate the U.S. government’s subcontractors, including with respect to financial viability, as part of the U.S. government’s risk assessment process associated with the award of new contracts. Consequently, for example, if the U.S. government or one or more prime contractors were to determine that we were not financially viable, our ability to continue to act as a government subcontractor would be impaired. Further, a portion of our business involves the sale of controlled products overseas, such as supplying ammonium perchlorate, or “AP,” to various foreign defense programs and commercial space programs. Foreign sales subject us to numerous additional complex U.S. and foreign laws and regulations, including laws and regulations governing import-export controls applicable to the sale and export of munitions and other controlled products and commodities, repatriation of earnings, exchange controls, the Foreign Corrupt Practices Act, and the anti-boycott provisions of the U.S. Export Administration Act. The costs of complying with the various and often complex and frequently changing laws and regulations and regulatory oversight applicable to us and the businesses in which we engage, and the consequences should we fail to comply, even inadvertently, with such requirements, could be significant and could reduce our profitability and liquidity.

A significant portion of our business is based on contracts with contractors or subcontractors to the U.S. government and these contracts are impacted by governmental priorities and are subject to potential fluctuations in funding or early termination, including for convenience, any of which could have a material adverse effect on our operating results, financial condition or cash flows.

Sales to U.S. government prime contractors and subcontractors represent a significant portion of our business. We also make sales to the U.S. government from time to time. In Fiscal 2013, our Specialty Chemicals segment generated approximately 30% of consolidated revenues, primarily sales of rocket-grade AP, from sales to U.S. government prime contractors and subcontractors. Funding of U.S. governmental programs is generally subject to annual congressional appropriations, and congressional priorities are subject to change. In the case of major programs, U.S. government contracts are usually incrementally funded. In addition, U.S. government expenditures for defense and NASA programs may fluctuate from year to year and specific programs, in connection with which we may receive significant revenue, may be terminated or curtailed.

Government fiscal year 2013 ended on September 30, 2013 without Congress completing work on any government fiscal year 2014 appropriations bills. Congress also failed to reach an agreement prior to the start of the government fiscal year 2014 on a short-term continuing resolution to temporarily fund the government, resulting in a partial government shutdown. When agreement was ultimately reached to fund the government in the new fiscal year, a short-term current resolution (which expires January 2014) was

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used rather than a government fiscal year 2014 appropriation for most government agencies. Additionally, absent a larger budget deal, Sequestration, under the terms of the Budget Control Act of 2012, remains in effect for government fiscal year 2014, forcing DOD and NASA to undergo another round of budget cuts beginning on January 1, 2014. A decline in government expenditures or any failure by Congress to appropriate additional funds to any program in which we or our customers participate, or any contract modification as a result of funding changes, could materially delay or terminate the program for us or for our customers.

Moreover, the U.S. government may terminate its contracts with its suppliers either for its convenience or in the event of a default by the supplier. Since a significant portion of our customer base is U.S. government contractors or subcontractors, we may have limited ability to collect fully on our contracts when the U.S. government terminates its contracts. If a contract is terminated by the U.S. government where we are a subcontractor, the U.S. government contractor may cease purchasing our products. We may have resources applied to specific government-related contracts and, if any of those contracts were terminated, we may incur substantial costs redeploying these resources. Given the significance to our business of contracts based on U.S. government contracts, fluctuations or reductions in governmental funding for particular governmental programs and/or termination of existing governmental programs and related contracts may have a material adverse effect on our operating results, financial condition or cash flows.

We may be subject to potentially material costs and liabilities in connection with environmental or health matters.

Some of our operations may create risks of adverse environmental and health effects, any of which might not be covered by insurance. In the past, we have been required to take remedial action to address particular environmental and health concerns identified by governmental agencies in connection with the production of perchlorate. It is possible that we may be required to take further remedial action in the future in connection with our production of perchlorate, whether at our former facility in Henderson, Nevada, or at our current production facility in Iron County, Utah, or we may enter into voluntary agreements with governmental agencies to take such actions. We have entered into such a voluntary agreement with NDEP that formalized our ongoing remedial actions in connection with perchlorate production at our former facility in Henderson, Nevada. Moreover, in connection with other operations, we may become obligated in the future for environmental liabilities if we fail to abide by limitations placed on us by governmental agencies or fail to abide by the agreement with NDEP. There can be no assurance that material costs or liabilities will not be incurred or restrictions will not be placed upon us in order to rectify any past or future occurrences related to environmental or health matters. Such material costs or liabilities, or increases in, or charges associated with, existing environmental or health-related liabilities, also may have a material adverse effect on our operating results, earnings or financial condition.

Regulatory Review of Perchlorates. Our Specialty Chemicals segment manufactures and sells products that contain perchlorates. Currently, perchlorate is on Contaminant Candidate List 3 of the U.S. Environmental Protection Agency (the “EPA”). In February 2011, the EPA announced that it had determined to move forward with the development of a regulation for perchlorates in drinking water, reversing its October 2008 preliminary determination not to promulgate such a regulation. Accordingly, the EPA announced its intention to begin to evaluate the feasibility and affordability of treatment technologies to remove perchlorate and to examine the costs and benefits of potential standards. The EPA has conducted various meetings, as required by the Safe Drinking Water Act, including a meeting of the Science Advisory Board, whose report was issued May 29, 2013. We continue to monitor activities and currently expect, based on EPA statements, that the earliest a final regulation is expected to be published is December 2014. Regulatory review and anticipated regulatory actions present general business risk to the Company, but no regulatory proposal of the EPA or any state in which we operate, to date, has been publicly announced that we believe would have a material effect on our results of operations and financial position or that would cause us to significantly modify or curtail our business practices, including our remediation activities discussed below.

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However, the outcome of the federal EPA action, as well as any similar state regulatory action, will influence the number, if any, of potential sites that may be subject to remediation action, which could, in turn, cause us to incur material costs. It is possible that federal and, potentially, one or more state or local regulatory agencies may change existing, or establish new, standards for perchlorate, which could lead to additional expenditures for environmental remediation in the future, and/or additional, potentially material costs to defend against new claims resulting from such regulatory agency actions.

Perchlorate Remediation Project in Henderson, Nevada. We commercially manufactured perchlorate chemicals at a facility in Henderson, Nevada (the “AMPAC Henderson Site”) from 1958 until the facility was destroyed in May 1988, after which we relocated our production to a new facility in Iron County, Utah. Legacy production at the AMPAC Henderson Site resulted in perchlorate presence in the groundwater near the vicinity of the former facility.

At the direction of the Nevada Division of Environmental Protection (“NDEP”) and the EPA, we conducted an investigation of remediation technologies for perchlorate in groundwater with the intention of remediating groundwater near the AMPAC Henderson Site. In 2002, we conducted a pilot test and in Fiscal 2005, we submitted a work plan to NDEP for the construction of a remediation facility near the AMPAC Henderson Site. The conditional approval of the work plan by NDEP in our third quarter of Fiscal 2005 allowed us to generate estimated costs for the installation and operation of the remediation facility to address perchlorate at the AMPAC Henderson Site. We commenced construction in July 2005. In December 2006, we began operations of the permanent facility. The location of this facility is several miles, in the direction of groundwater flow, from the AMPAC Henderson Site.

Late in Fiscal 2009, we gained additional information from groundwater modeling that indicated groundwater emanating from the AMPAC Henderson Site in certain areas in deeper zones (more than 150 feet below ground surface) was moving toward our existing remediation facility at a much slower pace than previously estimated. As a result of this additional data, related model interpretations and consultations with NDEP, we re-evaluated our remediation operations and determined that we should be able to improve the effectiveness of the treatment program and significantly reduce the total project time by expanding the treatment system existing at the time. The expansion included the installation of additional groundwater extraction wells in the deeper, more concentrated areas, construction of an underground pipeline to move extracted groundwater to our treatment facility, and the addition of fluidized bed reactor (“FBR”) bioremediation treatment equipment (the “Expansion Project”).

Henderson Site Environmental Remediation Reserve. During Fiscal 2005 and Fiscal 2006, we recorded aggregate charges of $26,000 representing our estimates at the time of the probable costs of our remediation efforts at the AMPAC Henderson Site, including the costs for capital equipment and on-going operating and maintenance (“O&M”). Following the receipt of new data regarding groundwater movement late in Fiscal 2009, we added the Expansion Project to the planned scope of our remediation operations. As a result, we increased our accruals by approximately $13,700.

Through June 2011, and in cooperation with NDEP, we worked to develop the formal design, engineering and permitting of the Expansion Project. Based on data obtained through that date, which was largely comprised of firm quotations, we determined that significant modifications to our Fiscal 2009 assumptions were required. As a result, in June 2011, we accrued an additional $6,000 for the estimated increase in cost of the capital component of the Expansion Project, offset slightly by reductions in O&M cost estimates. The estimated capital costs of the Expansion Project increased by approximately $6,400. The increase reflected (i) an increase in the capacity of the FBR bioremediation treatment equipment to accommodate technical requirements based on the testing of new extraction wells in the fall of 2010, and (ii) higher than initially anticipated cost associated with the installation of the equipment and construction of the pipeline. Our estimate of total O&M costs was reduced by approximately $400.

In September 2012, we commenced initial operation of the Expansion Project with planned start-up activities completed in Fiscal 2013. System optimization will continue in Fiscal 2014. In September 2012, we recorded an additional remediation charge in the amount of $700, which is substantially attributed to the true-up of estimates to the expected final cost of the Expansion Project. Due to uncertainties inherent in making estimates, our estimates of capital and O&M costs may later require significant revision as new facts become available and circumstances change.

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As of September 30, 2013, the aggregate range of anticipated environmental remediation costs was from approximately $8,300 to approximately $32,000. This range represents a significant estimate and is based on the estimable elements of cost for capital and O&M costs, and an estimated remaining operating life of the project through a range from the years 2017 to 2030. As of September 30, 2013, the accrued amount was $11,947, based on an estimated remaining life of the project through the year 2019, or the low end of the more likely range of the expected life of the project. Cost estimates are based on our current assessments of the facility configuration. As we proceed with the project, we have, and may in the future, become aware of elements of the facility configuration that must be changed to meet the targeted operational requirements. Certain of these changes may result in corresponding cost increases. Costs associated with the changes are accrued when a reasonable alternative, or range of alternatives, is identified and the cost of such alternative is estimable. Our estimated reserve for environmental remediation is based on information currently available to us and may be subject to material adjustment upward or downward in future periods as new facts or circumstances may indicate.

Other Environmental Matters. As part of our acquisition of the fine chemicals business of GenCorp Inc., AFC leased 241 acres of land on a Superfund site in Rancho Cordova, California, owned by Aerojet Rocketdyne, Inc., a wholly-owned subsidiary of GenCorp Inc. The Comprehensive Environmental Response, Compensation, and Liability Act of 1980, or CERCLA, has very strict joint and several liability provisions that make any “owner or operator” of a “Superfund site” a “potentially responsible party” for remediation activities. AFC could be considered an “operator” for purposes of CERCLA and, in theory, could be a potentially responsible party for purposes of contribution to the site remediation, although we received a letter from the EPA in November 2005 indicating that the EPA does not intend to pursue any clean up or enforcement actions under CERCLA against future lessees of the Aerojet property for existing contamination, provided that the lessees do not contribute to or do not exacerbate existing contamination on or under the Superfund site. Additionally, pursuant to the EPA consent order governing remediation for this site, AFC must abide by certain limitations regarding construction and development of the site which may restrict AFC’s operational flexibility and require additional substantial capital expenditures that could negatively affect the results of operations for AFC.

Although we have established an environmental reserve for remediation activities in Henderson, Nevada, given the many uncertainties involved in assessing environmental liabilities, our environmental-related risks may exceed any related reserves.

As of September 30, 2013, we had recorded reserves in connection with the AMPAC Henderson Site of approximately $11,947. However, as of such date, we had not established any other environmental-related reserves. Given the many uncertainties involved in assessing and estimating environmental liabilities, our environmental-related risks may exceed any related reserves, as we may not have established reserves with respect to such environmental liabilities, or any reserves we have established may prove to be insufficient. We continually evaluate the adequacy of our reserves on a quarterly basis, and they could change. For example, during the quarter ended June 30, 2011, we increased our environmental reserves in connection with the AMPAC Henderson Site by approximately $6,000 as a result of an increase in anticipated costs associated with remediation efforts at the site. In addition, reserves with respect to environmental matters are based only on known sites and the known contamination at those sites. It is possible that additional remediation sites will be identified in the future or that unknown contamination, or further contamination beyond that which is currently known, at previously identified sites will be discovered. The discovery of additional environmental exposures at sites that we currently own or operate or at which we formerly operated, or at sites to which we have sent hazardous substances or wastes for treatment, recycling or disposal, could result in our having additional expenditures for environmental remediation in the future and, given the many uncertainties involved in assessing environmental liabilities, we may not have adequately reserved for such liabilities or any reserves we have established may prove to be insufficient.

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For each of our Specialty Chemicals and Fine Chemicals segments, production is conducted in a single facility and any significant disruption or delay at a particular facility could have a material adverse effect on our business, financial position and results of operations.

Our Specialty Chemicals segment products are produced at our Iron County, Utah facility and our Fine Chemicals segment products are currently produced at our Rancho Cordova, California facility. Any of these facilities could be disrupted or damaged by fire, floods, earthquakes, power loss, systems failures or similar or other events. Although we have contingency plans in effect for natural disasters or other catastrophic events, these events could still disrupt our operations. Even though we carry business interruption insurance, we may suffer losses as a result of business interruptions that exceed the coverage available under our insurance policies. A significant disruption at one of our facilities, even on a short-term basis, could impair our ability to produce and ship the particular business segment’s products to market on a timely basis, which could have a material adverse effect on our business, financial position and results of operations.

The release or explosion of dangerous materials used in our business could disrupt our operations and cause us to incur additional costs and liabilities.

Our operations involve the handling, production, storage and disposal of potentially explosive or hazardous materials and other dangerous chemicals, including materials used in rocket propulsion. Despite our use of specialized facilities to handle dangerous materials and intensive employee training programs, the handling and production of hazardous materials could result in incidents that shut down (on a short-term basis or for longer periods) or otherwise disrupt our manufacturing operations and could cause production delays. Our manufacturing operations could also be the subject of an external or internal event, such as a terrorist attack or external or internal accident, that, despite our security, safety and other precautions, results in a disruption or delay in our operations. It is possible that a release of hazardous materials or other dangerous chemicals from one of our facilities or an explosion could result in death or significant injuries to employees and others. Material property damage to us and third parties could also occur. For example, on May 4, 1988, our former manufacturing and office facilities in Henderson, Nevada were destroyed by a series of massive explosions and associated fires. Extensive property damage occurred both at our facilities and in immediately adjacent areas, the principal damage occurring within a three-mile radius. Production of AP ceased for a 15-month period following that incident. Significant interruptions were also experienced in our other businesses, which occupied the same or adjacent sites. There can be no assurance that another incident would not interrupt some or all of the activities carried on at our current AP manufacturing site. The use of our products in applications by our customers could also result in liability if an explosion, fire or other similarly disruptive event were to occur. Any release or explosion could expose us to adverse publicity or liability for damages or cause production delays, any of which could have a material adverse effect on our reputation and profitability and could cause us to incur additional costs and liabilities.

Disruptions in the supply of key raw materials and difficulties in the supplier qualification process, as well as increases in prices of raw materials, could adversely impact our operations.

Key raw materials used in our operations include sodium chlorate, graphite, ammonia, sodium metal, nitrous oxide, HCFC-123 and hydrochloric acid. We closely monitor sources of supply to assure that adequate raw materials and other supplies and components needed in our manufacturing processes are available. In addition, as a supplier to U.S. government contractors or subcontractors, we are frequently limited to procuring materials and components from sources of supply that can meet rigorous government and/or customer specifications. If a supplier provides us raw materials or other supplies or components that are deficient or defective or if a supplier fails to provide us such materials, supplies or components in a timely manner or at all, we may have limited ability to find appropriate substitutes or otherwise meet required specifications and deadlines. In addition, as business conditions, the U.S. defense budget, and congressional allocations change, suppliers of specialty chemicals and materials sometimes consider dropping or in fact drop low volume items from their product lines, which may require, as it has in the past, qualification of new suppliers for raw materials on key programs. The qualification process may impact our profitability or ability to meet contract deliveries and/or delivery timelines. Moreover, we could experience inventory shortages if we are required to use an alternative supplier on short notice, which

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also could lead to raw materials being purchased on less favorable terms than we have with our regular suppliers. We are further impacted by the cost of raw materials used in production on fixed-price contracts. The increased cost of natural gas and electricity also has a significant impact on the cost of operating our Specialty Chemicals segment facility.

AFC uses substantial amounts of raw materials in its production processes, in particular chemicals, including specialty and bulk chemicals, which include petroleum-based solvents. Increases in the prices of raw materials which AFC purchases from third party suppliers could adversely impact operating results. In certain cases, the customer either provides some of the raw materials which are used by AFC to produce or manufacture the customer’s products or requires AFC to use a particular or limited number of suppliers for a raw material. Failure to receive raw materials in a timely manner, whether from a third-party supplier or a customer, could cause AFC to fail to meet production schedules and adversely impact revenues and operating results. A delay in the arrival of a shipment of raw materials from a third party supplier could have a significant impact on AFC’s ability to meet its contractual commitments to customers. Certain key raw materials are obtained from sources from outside the U.S., including the People’s Republic of China. Factors that can cause delays in the arrival of raw materials include weather or other natural events, political unrest in countries from which raw materials are sourced or through which they are delivered, terrorist attacks or related events in such countries or in the U.S., and work stoppages by suppliers or shippers. In addition, the availability of certain chemicals is subject to DEA quotas.

Prolonged disruptions in the supply of any of our key raw materials, difficulty completing qualification of new sources of supply, implementing use of replacement materials or new sources of supply, or a continuing increase in the prices of raw materials and energy could have a material adverse effect on our operating results, financial condition or cash flows.

Each of our Specialty Chemicals and Fine Chemicals segments may be unable to comply with customer specifications and manufacturing instructions or may experience delays or other problems with existing or new products, which could result in increased costs, losses of sales and potential breach of customer contracts.

Each of our Specialty Chemicals and Fine Chemicals segments produces products that are highly customized, require high levels of precision to manufacture and are subject to exacting customer and other requirements, including strict timing and delivery requirements. For example, our Fine Chemicals segment produces chemical compounds that are difficult to manufacture, including highly energetic and highly toxic materials. These chemical compounds are manufactured to exacting specifications of our customers’ filings with the FDA and other regulatory authorities worldwide. The production of these chemicals requires a high degree of precision and strict adherence to safety and quality standards. Regulatory agencies, such as the FDA and the European Medicines Agency, or EMA, have regulatory oversight over the production process for many of the products that AFC manufactures for its customers. For controlled substances, compliance with DEA regulations is also required. AFC employs sophisticated and rigorous manufacturing and testing practices to ensure compliance with the FDA’s cGMP guidelines and the International Conference on Harmonization Q7A. Because the chemical compounds produced by AFC are so highly customized, they are also subject to customer acceptance requirements, including strict timing and delivery requirements. If AFC is unable to adhere to the standards required or fails to meet the customer’s timing and delivery requirements, the customer may reject the chemical compounds. In such instances, AFC may also be in breach of its customer’s contract.

Like our Fine Chemicals segment, our Specialty Chemicals segment faces similar production demands and requirements. A significant failure or inability to comply with customer specifications and manufacturing requirements or delays or other problems with existing or new products could result in increased costs, losses of sales and potential breaches of customer contracts, which could affect our operating results and revenues.

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Successful commercialization of pharmaceutical products and product line extensions is very difficult and subject to many uncertainties. If a customer is not able to successfully commercialize its products for which AFC produces compounds or if a product is subsequently recalled, then the operating results of AFC may be negatively impacted.

Successful commercialization of pharmaceutical products and product line extensions requires accurate anticipation of market and customer acceptance of particular products, customers’ needs, the sale of competitive products, and emerging technological trends, among other things. Additionally, for successful product development, our customers must complete many complex formulation and analytical testing requirements and timely obtain regulatory approvals from the FDA and other regulatory agencies. When developed, new or reformulated drugs may not exhibit desired characteristics or may not be accepted by the marketplace. Complications can also arise during production scale-up. In addition, a customer’s product that includes ingredients that are manufactured by AFC may be subsequently recalled or withdrawn from the market by the customer. The recall or withdrawal may be for reasons beyond the control of AFC. Moreover, products may encounter unexpected, irresolvable patent conflicts or may not have enforceable intellectual property rights. If the customer is not able to successfully commercialize a product for which AFC produces compounds, or if there is a subsequent recall or withdrawal of a product manufactured by AFC or that includes ingredients manufactured by AFC for its customers, it could have an adverse impact on AFC’s operating results, including its forecasted or actual revenues.

A strike or other work stoppage, or the inability to renew collective bargaining agreements on favorable terms, could have a material adverse effect on the cost structure and operational capabilities of AFC.

As of September 30, 2013, AFC had approximately 176 employees that were covered by a collective bargaining agreement. We consider our relationships with our unionized employees to be satisfactory. In June 2013, AFC’s collective bargaining agreement was renegotiated and extended to June 2016. If we are unable to negotiate acceptable new agreements with the union representing these employees upon expiration of the existing contracts, we could experience strikes or work stoppages. Even if AFC is successful in negotiating new agreements, the new agreements could call for higher wages or benefits paid to union members, which would increase AFC’s operating costs and could adversely affect its profitability. If the unionized workers were to engage in a strike or other work stoppage, or other nonunionized operations were to become unionized, AFC could experience a significant disruption of operations at its facilities or higher ongoing labor costs. A strike or other work stoppage in the facilities of any of its major customers or suppliers could also have similar effects on AFC.

The pharmaceutical fine chemicals industry is a capital-intensive industry and if AFC does not have sufficient financial resources to finance the necessary capital expenditures, its business and results of operations may be harmed.

The pharmaceutical fine chemicals industry is a capital-intensive industry. Consequently, AFC’s capital expenditures consume cash from our Fine Chemicals segment and our other operations and may also consume cash from borrowings. Increases in capital expenditures may result in low levels of working capital or require us to finance working capital deficits, and such financing may be costly or even unavailable given ongoing conditions of the credit markets in the U.S. Changes in the availability, terms and costs of capital or a reduction in credit rating or outlook could cause our cost of doing business to increase and place us at a competitive disadvantage. These factors could substantially constrain AFC’s growth, increase AFC’s costs and negatively impact its operating results.

We may be subject to potential liability claims for our products or services that could affect our earnings and financial condition and harm our reputation.

We may face potential liability claims based on our products or services in our several lines of business under certain circumstances, and any such claims could result in significant expenses, disrupt sales and affect our reputation and that of our products. For example, a customer’s product may include ingredients that are manufactured by AFC. Although such ingredients are generally made pursuant to specific instructions from our customer and tested using techniques provided by our customer, the customer’s product may, nevertheless, be subsequently recalled or withdrawn from the market by the customer, and the recall or withdrawal may be due in part or wholly to product failures or inadequacies that may or may

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not be related to the ingredients we manufactured for the customer. In such a case, the recall or withdrawal may result in claims being made against us. Although we seek to reduce our potential liability through measures such as contractual indemnification provisions with customers, we cannot assure you that such measures will be enforced or effective. We could be materially and adversely affected if we were required to pay damages or incur defense costs in connection with a claim that is outside the scope of the indemnification agreements, if the indemnity, although legally enforceable, is not applicable in accordance with its terms or if our liability exceeds the amount of the applicable indemnification, or if the amount of the indemnification exceeds the financial capacity of our customer. In certain instances, we may have in place product liability insurance coverage, which is generally available in the market, but which may be limited in scope and amount. In other instances, we may have self-insured the risk for any such potential claim. There can be no assurance that our insurance coverage, if available, will be adequate or that insurance coverage will continue to be available on terms acceptable to us. It is also possible that our insurers may not be able to pay on any claims we might bring. Unexpected results could cause us to have financial exposure in these matters in excess of insurance coverage and recorded reserves, requiring us to provide additional reserves to address these liabilities, impacting profits. Moreover, any claim brought against us, even if ultimately found to be insignificant or without merit, could damage our reputation, which, in turn, may impact our business prospects and future results.

Technology innovations in the markets that we serve may create alternatives to our products and result in reduced sales.

Technology innovations to which our current and potential customers might have access could reduce or eliminate their need for our products, which could negatively impact the sale of those products. Our customers constantly attempt to reduce their manufacturing costs and improve product quality, such as by seeking out producers using the latest manufacturing techniques or by producing component products themselves, if outsourcing is perceived to be not cost effective. To continue to succeed, we will need to manufacture and deliver products, and develop better and more efficient means of manufacturing and delivering products, that address evolving customer needs and changes in the market on a timely and cost-effective basis, using the latest and/or most efficient technology available. We may be unable to respond on a timely basis to any or all of the changing needs of our customer base. Separately, our competitors may develop technologies that render our existing technology and products obsolete or uncompetitive. Our competitors may also implement new technologies before we are able to do so, allowing them to provide products at more competitive prices. Technology developed by others in the future could, among other things, require us to write-down obsolete facilities, equipment and technology or require us to make significant capital expenditures in order to stay competitive. Our failure to develop, introduce or enhance products and technologies able to compete with new products and technologies in a timely manner could have an adverse effect on our business, results of operations and financial condition.

We are subject to strong competition in certain industries in which we participate and therefore may not be able to compete successfully.

Other than the sale of AP, for which we are the only North American provider, we face competition in all of the other industries in which we participate. Many of our competitors have financial, technical, production, marketing, research and development and other resources substantially greater than ours. As a result, they may be better able to withstand the effects of periodic economic or business segment downturns. Moreover, barriers to entry, other than capital availability, are low in some of the product segments of our business. Consequently, we may encounter intense bidding for contracts. Capacity additions or technological advances by existing or future competitors may also create greater competition, particularly in pricing. Further, the pharmaceutical fine chemicals market is fragmented and competitive. Pharmaceutical fine chemicals manufacturers generally compete based on their breadth of technology base, research and development and chemical expertise, flexibility and scheduling of manufacturing capabilities, safety record, regulatory compliance history and price. AFC faces increasing competition from pharmaceutical contract manufacturers, in particular competitors located in the People’s Republic of China and India, where facilities, construction and operating costs are significantly lower. If AFC is unable to compete successfully, its results of operations may be materially adversely impacted. Furthermore, there is a worldwide over-capacity of the ability to produce sodium azide, which creates significant price competition for that product. Maintaining and improving our competitive position will require continued

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investment in our existing and potential future customer relationships as well as in our technical, production, and marketing operations. We may be unable to compete successfully with our competitors and our inability to do so could result in a decrease in revenues that we historically have generated from the sale of our products.

Due to the nature of our business, our sales levels may fluctuate, causing our quarterly operating results to fluctuate.

Our quarterly and annual sales are affected by a variety of factors that could lead to significant variability in our operating results, including as a result of the actual placement, timing and delivery of orders for new and/or existing products. In our Specialty Chemicals segment, the need for our products is generally based on contractually defined milestones that our customers are bound by and these milestones may fluctuate from quarter to quarter resulting in corresponding sales fluctuations. In our Fine Chemicals segment, some of our products require multiple steps of chemistry, the production of which can span multiple quarterly periods. Revenue is typically recognized after the final step and when the product has been delivered to and accepted by the customer. As a result of this multi-quarter process, revenues and related profits can vary from quarter to quarter. Consequently, due to factors inherent in the process by which we sell our products, changes in our operating results may fluctuate from quarter to quarter and could result in volatility in our common stock price.

The inherent volatility of the chemical industry affects our capacity utilization and causes fluctuations in our results of operations.

Our Specialty Chemicals and Fine Chemicals segments are subject to volatility that characterizes the chemical industry generally. Thus, the operating rates at our facilities will impact the comparison of period-to-period results. Different facilities may have differing operating rates from period to period depending on many factors, such as transportation costs and supply and demand for the product produced at the facility during that period. As a result, individual facilities may be operated below or above rated capacities in any period. We may idle a facility for an extended period of time because an oversupply of a certain product or a lack of demand for that product makes production uneconomical. The expenses of the shutdown and restart of facilities may adversely affect quarterly results when these events occur. In addition, a temporary shutdown may become permanent, resulting in a write-down or write-off of the related assets. Moreover, workforce reductions in connection with any short-term or long-term shutdowns, or related cost-cutting measures, could result in an erosion of morale, affect the focus and productivity of our remaining employees, including those directly responsible for revenue generation, and impair our ability to retain and recruit talent, all of which in turn may adversely affect our future results of operations.

A loss of key personnel or highly skilled employees, or the inability to attract and retain such personnel, could disrupt our operations or impede our growth.

Our executive officers are critical to the management and direction of our businesses. Our future success depends, in large part, on our ability to retain these officers and other capable management personnel. From time to time we have entered into employment or similar agreements with our executive officers and we may do so in the future, as competitive needs require. These agreements typically allow the officer to terminate employment with certain levels of severance under particular circumstances, such as a change of control affecting our company. In addition, these agreements generally provide an officer with severance benefits if we terminate the officer without cause. Our inability to attract and retain talented personnel and replace key personnel in a timely fashion could disrupt the operations of the segment affected or our overall operations. Furthermore, our business is very technical and the technological and creative skills of our personnel are essential to establishing and maintaining our competitive advantage. For example, customers often turn to AFC because very few companies have the specialized experience and capabilities and associated personnel required for performing chiral separations, energetic chemistries and projects that require high containment. Our future growth and profitability in part depend upon the knowledge and efforts of our highly skilled employees, including their ability to keep pace with technological changes in the fine chemicals and specialty chemicals industries, as applicable. We compete vigorously with various other firms to recruit these highly skilled employees. Our operations could be disrupted by a shortage of available skilled employees or if we are unable to attract and retain these highly skilled and experienced employees.

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We may continue to expand our operations through acquisitions, but the acquisitions could divert management’s attention and expose us to unanticipated liabilities and costs. We may experience difficulties integrating the acquired operations, and we may incur costs relating to acquisitions that are never consummated.

Our business strategy may include growth through future possible acquisitions, in particular in connection with our Fine Chemicals segment. Our future growth is likely to depend, in significant part, on our ability to successfully implement this acquisition strategy. However, our ability to consummate and integrate effectively, any future acquisitions on terms that are favorable to us may be limited by the number of attractive and suitable acquisition targets, internal demands on our resources and our ability to obtain or otherwise facilitate cost-effective financing, especially during difficult and unsettled economic times in the credit market. Any future acquisitions would currently challenge our existing resources. To the extent that we were to effect a new acquisition, if we did not properly meet the increasing expenses and demands on our resources resulting from such future growth, our results could be adversely affected. Our success in integrating newly acquired businesses will depend upon our ability to retain key personnel, avoid diversion of management’s attention from operational matters, integrate general and administrative services and key information processing systems and, where necessary, requalify our customer programs. In addition, future acquisitions could result in the incurrence of additional debt, costs and contingent liabilities. We may also incur costs and divert management’s attention to acquisitions that are never consummated. Integration of acquired operations may take longer, or be more costly or disruptive to our business, than originally anticipated. It is also possible that expected synergies from past or future acquisitions may not materialize.

Although we undertake a due diligence investigation of each acquisition target that we pursue, there may be liabilities of the acquired companies or assets that we fail to or are unable to discover during the due diligence investigation and for which we, as a successor owner, may be responsible. In connection with acquisitions, we generally seek to minimize the impact of these types of potential liabilities through indemnities and warranties from the seller, which may in some instances be supported by deferring payment of a portion of the purchase price. However, these indemnities and warranties, if obtained, may not fully cover the ultimate actual liabilities due to limitations in scope, amount or duration, financial limitations of the indemnitor or warrantor or other reasons.

Acquisitions, divestitures and other strategic transactions are inherently risky, and we cannot provide any assurance that our previous or future transactions will be successful. The inability to effectively manage the risks associated with these transactions could materially and adversely affect our business, financial condition or results of operations.

We have a substantial amount of debt, and the cost of servicing that debt could adversely affect our ability to take actions, our liquidity or our financial condition.

As of September 30, 2013, we had outstanding debt of approximately $55,500, for which we are required to make principal and interest payments. Subject to the limits contained in some of the agreements governing our outstanding debt, we may incur additional debt in the future or we may refinance some or all of this debt. Our level of debt places significant demands on our cash resources, which could:

— make it more difficult for us to satisfy any other outstanding debt obligations;

— require us to dedicate a substantial portion of our cash flow from operations to payments on our debt, reducing the amount of our cash flow available for working capital, capital expenditures, acquisitions, developing our real estate assets and other general corporate purposes;

— limit our flexibility in planning for, or reacting to, changes in the industries in which we compete;

— place us at a competitive disadvantage compared to our competitors, some of which have lower debt service obligations and greater financial resources than we do;

— limit our ability to borrow additional funds; or

— increase our vulnerability to general adverse economic and industry conditions.

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We are obligated to comply with various ongoing covenants in our debt, which could restrict our operations, and if we should fail to satisfy any of these covenants, the payment under our debt could be accelerated, which would negatively impact our liquidity.

We are obligated to comply with various ongoing covenants in our debt, including in certain cases financial covenants, that could restrict our operating activities, and the failure to comply could result in defaults that accelerate the payment under our debt. Our outstanding debt generally contains various affirmative, negative and financial covenants. These covenants include provisions restricting our and our current and future domestic subsidiaries’ ability to, among other things:

— pay dividends, repurchase our stock, or make other restricted payments;

— make certain investments or acquisitions;

— incur additional indebtedness;

— create or permit to exist certain liens;

— enter into certain transactions with affiliates;

— consummate a merger, consolidation or sale of assets;

— change our business; and

— wind up, liquidate, or dissolve our affairs.

Any of the covenants described above may restrict our operations and our ability to pursue potentially advantageous business opportunities. Our failure to comply with these covenants could also result in an event of default that, if not cured or waived, could result in the acceleration of all or a substantial portion of our debt, which would negatively impact our liquidity. In light of our continued working capital requirements and challenging market conditions, there is a risk that we may be unable to continue to comply with one or more of our debt covenants in the future. Such noncompliance could require us to re-negotiate new terms with our lenders which, in all likelihood, would lead to the incurrence of transaction costs and potentially other less favorable terms and conditions being placed upon us, thereby further negatively impacting our liquidity and results of operations.

Significant changes in discount rates, rates of return on pension assets and other factors could affect our estimates of pension obligations, which in turn could affect future funding requirements, related costs and our future financial condition, results of operations and cash flows.

As of September 30, 2013, we had unfunded pension obligations, including the current and non-current portions, of $30,576 on a projected benefit obligation basis. The cost of our defined benefit pension plans is recognized through operations over extended periods of time and involves many uncertainties during those periods of time. Our funding policy for our U.S. tax-qualified defined benefit pension plans is to accumulate plan assets that, over the long run, will approximate the present value of projected benefit obligations. Our pension cost is materially affected by the discount rate used to measure pension obligations, the level of plan assets available to fund those obligations at the measurement date and the expected long-term rate of return on plan assets. Changes in these and related factors can affect our estimates of pension obligations. Additionally, significant changes in investment performance or a change in the portfolio mix of invested assets can result in corresponding increases and decreases in the valuation of plan assets or in a change of the expected rate of return on plan assets.

We have unfunded obligations under our U.S. tax-qualified defined benefit pension plans totaling approximately $19,390 on a projected benefit obligation basis as of September 30, 2013. Declines in the value of plan investments or unfavorable changes in law or regulations that govern pension plan funding could materially change the timing and amount of required funding.

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Our suspended stockholder rights plan, Restated Certificate of Incorporation, as amended, and Amended and Restated By-laws discourage unsolicited takeover proposals and could prevent stockholders from realizing a premium on their common stock.

We have a stockholder rights plan that, although currently suspended, may have the effect of discouraging unsolicited takeover proposals. The rights issued under the stockholder rights plan would cause substantial dilution to a person or group which attempts to acquire us on terms not approved in advance by our board of directors. In addition, our Restated Certificate of Incorporation, as amended, and Amended and Restated By-laws contain provisions that may discourage unsolicited takeover proposals that stockholders may consider to be in their best interests. These provisions include:

— a classified board of directors;

— the ability of our board of directors to designate the terms of and issue new series of preferred stock;

— advance notice requirements for nominations for election to our board of directors; and

— special voting requirements for the amendment, in certain cases, of our Restated Certificate of Incorporation, as amended, and our Amended and Restated By-laws.

We are also subject to anti-takeover provisions under Delaware law, which could delay or prevent a change of control. Together, our charter provisions, Delaware law and the stockholder rights plan may discourage transactions that otherwise could involve payment of a premium over prevailing market prices for our common stock.

Our proprietary and intellectual property rights may be violated, compromised, circumvented or invalidated, which could damage our operations.

We have numerous patents, patent applications, exclusive and nonexclusive licenses to patents, and unpatented trade secret technologies in the U.S. and certain foreign countries. There can be no assurance that the steps taken by us to protect our proprietary and intellectual property rights will be adequate to deter misappropriation of these rights. In addition, independent third parties may develop competitive or superior technologies that could circumvent the future need to use our intellectual property, thereby reducing its value. They may also attempt to invalidate patent rights that we own directly or that we are entitled to exploit through a license. If we are unable to adequately protect and utilize our intellectual property or proprietary rights, our results of operations may be adversely affected.

Our business and operations would be adversely impacted in the event of a failure of our information technology infrastructure.

We rely upon the capacity, reliability and security of our information technology hardware and software infrastructure and our ability to expand and update this infrastructure in response to our changing needs. We are constantly updating our information technology infrastructure. Any failure to manage, expand and update our information technology infrastructure or any failure in the operation of this infrastructure could harm our business. Despite our implementation of security measures, our systems are vulnerable to damages from computer viruses, natural disasters, unauthorized access and other similar disruptions. Any system failure, accident or security breach could result in disruptions to our operations. To the extent that any disruptions or security breach results in a loss or damage to our data, or in inappropriate disclosure of confidential information, it could harm our business. In addition, we may be required to incur significant costs to protect against damage caused by these disruptions or security breaches in the future.

We are exposed to counterparty risk through our interest rate swap and a counterparty default could adversely affect our financial condition.

We have entered into an interest rate swap with HSBC Bank USA, N.A. (“HSBC”), which subjects us to counterparty risk. The ability of HSBC to perform its obligations under the contract will depend upon a number of factors that are beyond our control and may include, among other things, general economic conditions and the overall financial condition of HSBC. Should HSBC fail to honor its obligations under its agreement with us, we could sustain significant losses which could have an adverse effect on our financial condition, results of operations and cash flows.

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Our common stock price may fluctuate substantially, and a stockholder’s investment could decline in value.

The market price of our common stock has been highly volatile during the past several years. For example, during Fiscal 2013, the highest closing sale price for our common stock was $54.76 and the lowest closing sale price for our common stock was $11.26. The realization of any of the risks described in these Risk Factors or other unforeseen risks could have a dramatic and adverse effect on the market price of our common stock. Moreover, the market price of our common stock may fluctuate substantially due to many factors, including:

— actual or anticipated fluctuations in our results of operations;

— events or concerns related to our products or operations or those of our competitors, including public health, environmental and safety concerns related to products and operations;

— material public announcements by us or our competitors;

— changes in government regulations or policies, such as new legislation, laws or regulatory decisions that are adverse to us and/or our products;

— changes in key members of management;

— developments in our industries;

— changes in investors’ acceptable levels of risk;

— trading volume of our common stock; and

— general economic conditions.

Item 1B. Unresolved Staff Comments

None.

Item 2. Properties

The following table sets forth certain information regarding our properties at September 30, 2013 (dollars in thousands):

Location	Principal Use	Approximate Area or Floor Space	Status	Approximate Annual Rent
(a) Iron County, UT	Specialty Chemicals and Water Treatment Equipment Manufacturing Facilities	258 Acres Occupied 5,000 Acres Total	Owned	N/A
(b) Rancho Cordova, CA	Fine Chemicals Manufacturing Facility	241 Acres	Owned/Leased	$0
(c) La Porte, TX	Fine Chemicals Manufacturing Facility	5 Acres	Owned	N/A
(d) Las Vegas, NV	Executive Offices	22,531 sq.ft.	Leased	$1,031
(e) Henderson, NV	Groundwater Remediation Site	1.75 Acres	Owned	N/A

(a) This facility is shared by the Specialty Chemicals segment and our Other Businesses segment for the production of perchlorate, sodium azide and Halotron products and water treatment equipment. Presently, this facility has significant remaining capacity. We own approximately 5,000 acres of land that is utilized and adjacent to our Utah facilities.

(b) This facility is used by the Fine Chemicals segment for the production of active pharmaceutical ingredients and registered intermediates. All buildings and improvements are owned. The land is leased under a capital lease arrangement with a bargain purchase option. Presently, this facility has adequate capacity.

(c) This facility is currently idle and will be used for the expansion of fine chemical manufacturing.

(d) These offices are used for our corporate office functions.

(e) This facility is used for the groundwater remediation activities of the Company.

We consider our facilities to be adequate for our present needs and suitable for their current use.

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Item 3. Legal Proceedings

Although we are not currently party to any material pending legal proceedings, we are from time to time subject to claims and lawsuits related to our business operations. Any such claims and lawsuits could be costly and time consuming and could divert our management and key personnel from our business operations. In connection with any such claims and lawsuits, we may be subject to significant damages or equitable remedies relating to the operation of our business. Any such claims and lawsuits may materially harm our business, results of operations and financial condition.

Item 4. Mine Safety Disclosures

We are required, if applicable, to provide a statement that the information concerning mine safety violations or other regulatory matters required by Section 1503(a) of the Dodd-Frank Wall Street Reform and Consumer Protection Act and Item 104 of Regulation S-K (17 CFR 229.104) is included in exhibit 95 to the annual report. This item is not applicable.

PART II

Item 5. Market for Registrant’s Common Equity, Related Stockholder Matters and Issuer Purchases of Equity Securities

STOCK LISTING. Our common stock trades on the Nasdaq Global Market of The NASDAQ Stock Market LLC under the symbol “APFC.” The table below sets forth the high and low sales prices of our common stock for the periods indicated in our fiscal years ended September 30:

	2013				2012
	High		Low		High		Low
First Quarter	$	16.51	$	11.00	$	9.75	$	6.85
Second Quarter		24.39		15.68		8.29		7.20
Third Quarter		29.77		21.50		10.59		7.35
Fourth Quarter		54.79		27.00		13.47		8.60

At November 30, 2013, there were approximately 648 stockholders of record of our common stock. The closing price of our common stock on November 29, 2013 was $41.35.

DIVIDENDS, UNREGISTERED SALES OF STOCK AND STOCK REPURCHASES. No dividends were declared during Fiscal 2013 and Fiscal 2012. Our ability to pay dividends is subject to restrictions, as set forth in the discussion of our “Long-Term Debt and Credit Facilities” under the heading “Liquidity and Capital Resources” in Item 7 of this report. During the fiscal year ended September 30, 2013, we did not sell any equity securities that were not registered under the Securities Act of 1933, as amended. During the quarter ended September 30, 2013, we did not repurchase any shares of our common stock.

TRANSFER AGENT. Our stock transfer agent is American Stock Transfer & Trust Company, Operations Center, 6201 15^th Avenue, Brooklyn, New York, 11219, (800) 937-5449.

SECURITIES AUTHORIZED FOR ISSUANCE UNDER EQUITY COMPENSATION PLANS. See Part III, Item 12 of this annual report on Form 10-K for information regarding securities authorized for issuance under our equity compensation plans.

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PERFORMANCE GRAPH.

The following graph shows a five-year comparison of cumulative total returns for the Company’s Common Stock, the S&P 500 Index, the S&P Pharmaceuticals Index and the S&P Aerospace and Defense Index.

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Item 6. Selected Financial Data

The selected consolidated financial data presented below should be read in conjunction with Item 7 of this report, “Management’s Discussion and Analysis of Financial Condition and Results of Operations,” and our consolidated financial statements and the notes thereto appearing in Item 8 of this report. The consolidated selected financial data presented below have been derived from our audited consolidated financial statements.

FIVE-YEAR SUMMARY OF SELECTED CONSOLIDATED FINANCIAL DATA FOR THE YEARS ENDED SEPTEMBER 30, (Dollars in Thousands, Except per Share Amounts)
	2013		2012			2011			2010			2009
STATEMENT OF OPERATIONS DATA:
Revenues	$	215,085	$	185,627		$	160,714		$	138,584		$	163,660
Cost of revenues		128,131		119,477			113,863			92,211			112,717
Gross profit		86,954		66,150			46,851			46,373			50,943
Operating expenses		45,865		39,066			35,895			39,438			38,427
Environmental remediation charges		-		700			6,000			-			13,700
Other operating gains		-		1,714			2,929			-			-
Operating income (loss)		41,089		28,098			7,885			6,935			(1,184)
Interest and other expense (income), net		2,878		10,135			10,279			10,605			10,575
Debt repayment charges		2,835		1,397			-			-			-
Income (loss) from continuing operations before income tax		35,376		16,566			(2,394	)		(3,670)			(11,759)
Income tax expense (benefit)		12,243		(3,766	)		6,985			(765)			(4,355)
Income (loss) from continuing operations	$	23,133	$	20,332		$	(9,379	)	$	(2,905)		$	(7,404)
Earnings (loss) per share from continuing operations:
Basic	$	2.98	$	2.69		$	(1.25	)	$	(0.39	)	$	(0.99	)
Diluted	$	2.86	$	2.65		$	(1.25	)	$	(0.39	)	$	(0.99	)
Dividends declared per share	$	-	$	-		$	-		$	-		$	-
BALANCE SHEET DATA:
Cash and cash equivalents	$	60,864	$	31,182		$	30,703		$	23,985		$	21,681
Total assets	$	277,307	$	246,464		$	268,650		$	275,743		$	264,841
Long-term debt	$	49,500	$	65,004		$	105,034		$	105,102		$	110,097

As discussed in Note 13 to our consolidated financial statements included in Item 8 of this report, in May 2012, our board of directors approved and we committed to a plan to sell our Aerospace Equipment segment, which is comprised of Ampac-ISP Corp. and its wholly-owned foreign subsidiaries (“AMPAC-ISP”). We completed the sale of substantially all of the assets of AMPAC-ISP effective August 1, 2012. Revenues and expenses associated with the Aerospace Equipment segment operations are presented as discontinued operations for all periods presented.

As discussed in Note 4 to our consolidated financial statements included in Item 8 of this report, on September 10, 2012, we completed the redemption of $40,000 of the then-outstanding principal amount of our 9% Senior Notes, using net cash proceeds from the sale of AMPAC-ISP and available cash balances. On October 26, 2012, we completed our refinancing activities by entering into an $85,000 credit facility, comprised of a $60,000 term loan and a $25,000 undrawn revolving credit facility. The proceeds from the term loan and available cash were used to redeem the then-remaining outstanding principal on our 9% senior notes in the amount of $65,000.

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Item 7. Management’s Discussion and Analysis of Financial Condition and Results of Operations (Dollars in Thousands, Except Per Share Amounts)

We report our results based on a fiscal year which ends on September 30. References to Fiscal years refer to the twelve months ended or ending September 30 of the Fiscal year referenced. The following discussion and analysis is intended to provide a narrative discussion of our financial results and an evaluation of our financial condition and results of operations with respect to Fiscal 2013, Fiscal 2012 and Fiscal 2011. The discussion should be read in conjunction with our consolidated financial statements and notes thereto included in Item 8 of this annual report on Form 10-K. A summary of our significant accounting policies is included in Note 1 to our consolidated financial statements included in Item 8 of this report. In addition to discussing historical information, we make statements relating to the future, called “forward-looking” statements, which are provided under the “safe harbor” protection of the Private Securities Litigation Reform Act of 1995. Forward-looking statements are generally written in the future tense and/or are preceded or accompanied by words such as “can,” “could,” “may,” “should,” “will,” “would,” “expect,” “plan,” “anticipate,” “believe,” “estimate,” “future,” “forecast,” “intend” or the negative of these terms or other similar words or expressions. Moreover, statements that speculate about future events are forward-looking statements such as with respect to Fiscal 2014. These forward-looking statements involve a number of known and unknown risks, uncertainties and other important factors that could cause the actual results and outcomes to differ materially from any future results or outcomes expressed or implied by such forward-looking statements. You should carefully review the “Risk Factors” section set forth in Item 1A of this annual report on Form 10-K and in any more recent filings with the SEC, each of which describes these risks, uncertainties and other important factors in more detail. All forward-looking statements in this document are made as of the date hereof, based on current information available to us and based on our current expectations as of the date hereof, and, while they are our best prediction at the time that they are made, you should not rely on them. We undertake no obligation, unless as otherwise required by law, to update or revise any forward-looking statements in order to reflect new information, events or circumstances that may arise after the date of this annual report on Form 10-K.

OUR COMPANY

American Pacific Corporation and its predecessors have been engaged in chemical manufacturing since 1955. We are a leading custom manufacturer of fine chemicals and specialty chemicals within our focused markets. Through our Fine Chemicals segment, we supply active pharmaceutical ingredients (“APIs”) and registered intermediates to the pharmaceutical industry. Our Specialty Chemicals segment produces various perchlorate chemicals and is the only North American producer of Ammonium Perchlorate (“AP”), which is the predominant oxidizing agent for solid propellant rockets, booster motors and missiles used in space exploration, commercial satellite transportation and national defense programs. We produce clean agent chemicals for the fire protection industry, as well as electrochemical equipment for the water treatment industry. Our products are designed to meet customer specifications and often must meet certain governmental and regulatory approvals. Our technical and manufacturing expertise and customer service focus has gained us a reputation for quality, reliability, technical performance and innovation. Given the mission critical nature of our products, we maintain long-standing strategic customer relationships and generally sell our products through long-term contracts under which we are the sole-source or limited-source supplier.

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OUR BUSINESS SEGMENTS

Our continuing operations comprise three reportable business segments: Fine Chemicals, Specialty Chemicals, and Other Businesses. The following table reflects the revenue contribution percentage from our business segments for the fiscal years ended September 30:

	2013	2012	2011
Fine Chemicals	58%	60%	56%
Specialty Chemicals	38%	37%	42%
Other Businesses	4%	3%	2%
Total	100%	100%	100%

FINE CHEMICALS. Our Fine Chemicals segment, operated through our wholly-owned subsidiaries Ampac Fine Chemicals LLC and AMPAC Fine Chemicals Texas, LLC (collectively, “AFC”), is a custom manufacturer of APIs and registered intermediates for customers in the pharmaceutical industry. The pharmaceutical ingredients we manufacture are used by our customers in drugs with indications in three primary areas: anti-viral, oncology, and central nervous system. AFC’s customers include some of the world’s largest pharmaceutical and biotechnology companies, as well as emerging pharmaceutical companies. Most of the products AFC sells are proprietary to our customers and used in existing drugs that are FDA approved and commercially available. We operate in compliance with the U.S. Food and Drug Administration’s (the “FDA”) current Good Manufacturing Practices (“cGMP”) and the requirements of certain other regulatory agencies such as the European Union’s European Medicines Agency and Japan’s Pharmaceuticals and Medical Devices Agency. Our Fine Chemicals segment’s strategy is to focus on high growth markets where our technological position, combined with our chemical process development and engineering expertise, leads to strong customer allegiances and limited competition. We have distinctive competencies and specialized engineering capabilities in performing chiral separations, manufacturing products that require high containment and performing energetic chemistries at large scale. Additionally, our technology offerings include large scale production of Schedule II to V controlled substances in our high-security facilities in Rancho Cordova, California.

We have invested significant resources in our facilities, workforce and technology base. We believe we are the U.S. leader in performing chiral separations using SMB technology and own and operate two large-scale SMB systems, both of which are among the largest in the world operating under cGMP. We offer a full range of SMB equipment and related services from laboratory-scale to our large systems. We believe our distinctive competency in manufacturing chemical compounds that require specialized high containment facilities and handling expertise provide us a significant competitive advantage in competing for various opportunities associated with high potency, highly toxic and cytotoxic products. Many oncology drugs are made with APIs that are high potency or cytotoxic. AFC is one of the few companies in the world that can manufacture such compounds at a multi-ton annual rate. Moreover, our significant experience and highly engineered facilities make us one of the few companies in the world with the capability to use energetic chemistry on a large scale under cGMP. We use this capability in development and production of products such as those used in anti-viral drugs, including HIV-related and influenza-combating drugs, and drugs with CNS, oncology and pain management indications.

We have established long-term, and in some cases sole-source contracts with customers that represent the majority of our revenues. Contracts that are not sole-source are limited-source considering the nature of our industry and the products we manufacture. The inherent nature of custom pharmaceutical fine chemicals manufacturing encourages stable, long-term customer relationships. We work collaboratively with our customers to develop reliable, safe and cost-effective custom solutions. Once a custom manufacturer has been qualified as a supplier on a cGMP product, there are several potential barriers that discourage transferring the manufacturing of the product to an alternative supplier. For example, applications to and approvals from the FDA and other regulatory authorities generally require the chemical contractor to be named. Switching contractors may require additional regulatory approvals and could take as long as two years to complete. Switching contractors and amending various filings can result in significant costs associated with technology transfer, process validation and refiling with the FDA and other regulatory authorities around the world.

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SPECIALTY CHEMICALS. Our Specialty Chemicals segment is principally engaged in the production of perchlorates, which include several grades of ammonium perchlorate (“AP”), sodium perchlorate and potassium perchlorate. AP is the predominant oxidizing agent for solid propellant rockets, booster motors and missiles used in national defense, space exploration and commercial satellite transportation programs. We have supplied rocket-grade AP for use in space and defense programs for over 50 years and we have been the only rocket-grade AP supplier in North America since 1998, when we acquired the AP business of our principal competitor, Kerr-McGee Chemical Corporation. AP is a key component of solid propellant rockets, booster motors and missiles that are utilized in U.S. Department of Defense (“DOD”) tactical and strategic missile programs, as well as various space programs such as the Delta and Atlas families of commercial space launch vehicles and space exploration programs for the National Aeronautics and Space Administration (“NASA”). There is currently no domestic alternative to these solid rocket motors. As a result, we believe that the U.S. government views us as a strategic national asset.

Alliant Techsystems Inc. or “ATK” is a significant AP customer. We sell rocket-grade AP to ATK under a long-term contract, initially established in 1997, that requires us to maintain a ready and qualified capacity for rocket-grade AP and that requires ATK to purchase its rocket-grade AP requirements from us, subject to certain terms and conditions. Under the long-term contract, pricing varies inversely to volume and includes annual escalations. In May 2013, we extended our contract with ATK to include Fiscal 2014 through Fiscal 2016 and established a price volume matrix that provides fixed pricing for annual rocket-grade AP volumes ranging from 2.5 million to 7.5 million pounds.

In addition, we produce and sell sodium azide, a chemical primarily used in pharmaceutical manufacturing, and Halotron^®, a series of clean fire extinguishing agents used in fire extinguishing products ranging from portable fire extinguishers to total flooding systems.

OTHER BUSINESSES. Our Other Businesses segment contains our water treatment equipment division and real estate activities. Our water treatment equipment business markets, designs, and manufactures electrochemical On Site Hypochlorite Generation, or OSHG systems. These systems are used in the disinfection of drinking water, control of noxious odors, and the treatment of seawater to prevent the growth of marine organisms in cooling systems. We supply our equipment to municipal, industrial and offshore customers. Our real estate activities are not material.

DISCONTINUED OPERATIONS. In May 2012, our board of directors approved and we committed to a plan to sell our Aerospace Equipment segment, which is comprised of Ampac-ISP Corp. and its wholly-owned foreign subsidiaries (“AMPAC-ISP”). We completed the sale of substantially all of the assets of AMPAC-ISP effective August 1, 2012. The divestiture is a strategic shift that allows us to place more focus on the growth and performance of our pharmaceutical-related product lines. Revenues and expenses associated with the operations of AMPAC-ISP are presented as discontinued operations for all periods presented.

CONSOLIDATED RESULTS OF OPERATIONS

REVENUES

	Year Ended September 30,						Percentage Change
	2013		2012		2011		13 vs. 12			12 vs. 11
Fine Chemicals	$	124,898	$	111,536	$	89,497		12	%		25	%
Specialty Chemicals		82,636		68,513		66,905		21	%		2	%
Other Businesses		7,551		5,578		4,312		35	%		29	%
Total Revenues	$	215,085	$	185,627	$	160,714		16	%		16	%

For Fiscal 2013, revenues increased 16% to $215,085 as compared to $185,627 for Fiscal 2012. For Fiscal 2012, revenues increased 16% to $185,627 as compared to $160,714 for Fiscal 2011. See further discussion below under “Business Segment Results.”

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COST OF REVENUES AND GROSS PROFIT

	Year Ended September 30,						Percentage Change
	2013		2012		2011		13 vs. 12			12 vs. 11
Revenues	$	215,085	$	185,627	$	160,714		16	%		16	%
Cost of Revenues		128,131		119,477		113,863		7	%		5	%
Gross Profit	$	86,954	$	66,150	$	46,851		31	%		41	%
Gross Margin		40%		36%		29%

In addition to the factors discussed below under the heading “Business Segment Results,” one of the most significant factors that affects, and should continue to affect, the comparison of our consolidated gross profit and gross margin from period to period is the change in revenue mix between our segments. Our Fine Chemicals segment accounted for 58%, 60% and 56% of consolidated revenues in Fiscal 2013, Fiscal 2012 and Fiscal 2011, respectively. Our Specialty Chemicals segment accounted for 38%, 37% and 42% of consolidated revenues in Fiscal 2013, Fiscal 2012 and Fiscal 2011, respectively. See further discussion below under “Business Segment Results.”

OPERATING EXPENSES

	Year Ended September 30,						Percentage Change
	2013		2012		2011		13 vs. 12			12 vs. 11
Operating Expenses	$	45,865	$	39,066	$	35,895		17	%		9	%
Percentage of Revenues		21%		21%		22%

Fiscal 2013 operating expenses increased $6,799 compared to Fiscal 2012 primarily as a result of increases in our Fine Chemicals segment and Corporate operating expenses. Fiscal 2012 operating expenses increased $3,171 compared to Fiscal 2011 primarily as a result of increases in operating expenses of our Fine Chemicals segment.

See further discussion below under “Business Segment Results.”

ENVIRONMENTAL REMEDIATION CHARGES. During Fiscal 2012 and Fiscal 2011, we recorded environmental remediation charges of $700 and $6,000, respectively, reflecting increases in our total cost estimate of probable costs for our Henderson, Nevada groundwater remediation operations. See detailed discussion under the heading “Environmental Remediation–AMPAC Henderson Site” below. No environmental remediation charges were recorded in Fiscal 2013.

OTHER OPERATING GAINS. During Fiscal 2012 and Fiscal 2011, our Fine Chemicals segment reported other operating gains of $1,714 and $2,929, respectively, that resulted from the resolution of gain contingencies. No such gains were recorded in Fiscal 2013. The reported gains are comprised of the following two matters.

Our Fine Chemicals segment is undertaking several mandatory capital projects. Certain of the capital activities are complete and others are in progress or otherwise expected to be completed during Fiscal 2014. In connection with these projects, our Fine Chemicals segment held, and continues to hold, negotiations with the former owner of its facilities. During Fiscal 2012 and Fiscal 2011, we received from the former owner cash consideration in the amount of $1,714 and $258, respectively, for a limited release of liability of the former owner with respect to the completed projects.

We made a series of filings with the County of Sacramento, California, to appeal the assessed values in prior years of our real and personal property located at our Fine Chemicals segment’s Rancho Cordova, California facility. During Fiscal 2011, we received $2,671 for cash property tax refunds resulting from our appeals and the related favorable reassessment of historical property values.

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INTEREST AND LOSS ON DEBT EXTINGUISHMENT

	Year Ended September 30,						Percentage Change
	2013		2012		2011		13 vs. 12		12 vs. 11
Interest and Other Income	$	118	$	38	$	235		211%		(84%)
Interest Expense	$	2,996	$	10,173	$	10,514		(71%)		(3%)
Loss on Debt Extinguishment	$	2,835	$	1,397	$	-		103%		-

We earn interest income on our cash and cash equivalents balances. Interest income varies with these balances and the applicable interest rate. In addition, during Fiscal 2011, we received interest income in the amount of $190 related to above-mentioned property tax refunds.

Interest expense decreased 71% in Fiscal 2013 compared to Fiscal 2012. The decrease reflects both a decrease in the average outstanding principal balance on our long-term debt and a reduction in the effective interest rate that resulted from the refinancing of our long-term debt. See further discussion below under the heading “Long-Term Debt and Credit Facilities.” Interest expense was consistent between Fiscal 2012 and Fiscal 2011 because the interest rate for our then-outstanding debt was fixed.

On August 9, 2012, we called $40,000 of the outstanding principal amount of the Senior Notes. On September 10, 2012, we completed the redemption, using net cash proceeds from the sale of AMPAC-ISP and available cash balances. The redemption price for the Notes was 102.25% of the principal amount of the Notes being redeemed, plus accrued and unpaid interest to the redemption date. The transaction resulted in a net loss on debt retirement of $1,397 which includes the call premium of $900, unamortized debt issuances costs of $482 and other expenses of $15. In connection with our entering into the Credit Facility (as defined below), on October 26, 2012, a notice of redemption was issued for all remaining outstanding Senior Notes specifying a redemption date of November 25, 2012. The Redemption Price for the Notes was 102.250% of the outstanding principal amount of $65,000, plus accrued and unpaid interest to, but not including, the redemption date. On October 26, 2012, we irrevocably deposited funds with the trustee in an amount equal to the Redemption Price for the Senior Notes and the related indenture was discharged. The transaction resulted in a net loss on debt retirement of $2,835 which includes the call premium of $1,463, the write-off of then unamortized debt issuances costs of $1,252 and other expenses of $120. See further discussion below under the heading “Long Term Debt and Credit Facilities.”

INCOME TAXES. Our income tax expense (benefit) rate for continuing operations differs from the federal statutory rate due to state income taxes, amounts that were expensed for book purposes that are not deductible for income tax purposes, changes in our valuation allowances, and other adjustments to our estimates of tax liabilities.

A reconciliation of the federal statutory rate to our effective tax (benefit) rate for continuing operations is as follows for the years ended September 30:

	2013		2012		2011
Federal income tax at the statutory rate		35.0%		35.0%		(35.0%)
State income tax, net of federal benefit		3.4%		4.1%		(3.6%)
Nondeductible expenses		0.2%		1.4%		8.6%
Valuation allowance		(0.2%)		(62.9%)		318.6%
Interest and penalties		(2.0%)		0.4%		1.1%
Domestic production activities and state credits		(7.9%)		0.0%		0.0%
State tax rate change		5.4%		0.0%		0.0%
Other		0.7%		(0.7%)		2.0%
Effective tax rate		34.6%		(22.7%)		291.7%

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Deferred tax assets are comprised of the following at September 30:

	2013			2012
Deferred tax assets:
Inventory	$	11,459		$	9,183
Pension obligations		10,755			22,270
Environmental remediation reserves		7,533			9,997
Accrued expenses		4,314			3,824
Deferred gain on sale of business		996			1,448
Tax credits and carryforwards		515			66
Other		1,117			1,439
Subtotal		36,689			48,227
Valuation allowance		-			(66	)
Deferred tax assets		36,689			48,161
Deferred tax liabilities:
Property, plant and equipment		(13,358	)		(13,805	)
Prepaid expenses		(576	)		(432	)
Other		(95	)		(100	)
Deferred tax liabilities		(14,029	)		(14,337	)
Net deferred tax assets	$	22,660		$	33,824

Deferred tax assets arise primarily because expenses have been recorded in historical financial statement periods which will not become deductible for income taxes until future tax years. We record valuation allowances to reduce the book value of our deferred tax assets to amounts that are estimated to be more likely than not realized. This assessment requires judgment and is performed on the basis of the weight of all available evidence, both positive and negative, with greater weight placed on information that is objectively verifiable such as historical performance.

For Fiscal 2011, we evaluated negative evidence noting that for the three-year period then ended, we reported a cumulative net loss. Pursuant to FASB guidance, a cumulative loss in recent years is a significant piece of negative evidence that must be considered and this form of negative evidence is difficult to overcome without sufficient objectively verifiable positive evidence. Our then objectively verifiable positive evidence included certain aspects of our historical results. Additional positive evidence included forecasts of future taxable income. However, since this latter form of evidence was not objectively verifiable, its weight was not sufficient to overcome the negative evidence. As a result of this evaluation, we increased our valuation allowance for deferred tax assets by $10,420 as of September 30, 2011. Of this amount, $7,628 was recorded as income tax expense and $2,792 was charged to other comprehensive loss offsetting deferred tax assets that were generated in Fiscal 2011.

For Fiscal 2012, we reported significant income before tax from continuing operations which resulted in cumulative earnings for the three-year period then ended. We evaluated the current facts and circumstances and concluded that the negative evidence that existed as of September 30, 2011, no longer existed. Accordingly, we relied on positive evidence, which included taxable income in the current year, a forecast of significant taxable income in coming years and the absence of credit carry forward balances. As a result, we reversed the valuation allowance of $10,420.

The ultimate realization of deferred tax assets depends on having sufficient taxable income in the future years when the tax deductions associated with the deferred tax assets become deductible. The establishment or reversal of a valuation allowance, if any, does not impact cash nor does it preclude us from using our tax credits, loss carryforwards and other deferred assets in the future.

DISCONTINUED OPERATIONS. In May 2012, our board of directors approved and we committed to a plan to sell our Aerospace Equipment segment, or AMPAC-ISP. The divestiture is a strategic shift that allows us to place more focus on the growth and performance of our pharmaceutical-related product lines.

On June 4, 2012, we entered into an Asset Purchase Agreement with Moog Inc. (“Moog”) (the “Asset Purchase Agreement”), pursuant to which we sold to Moog substantially all of the assets of Ampac-ISP

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Corp., including all of the equity interests in its foreign subsidiaries (collectively, the “Purchased Assets”). Additionally, Moog assumed certain liabilities related to the operations and the Purchased Assets. The transaction was completed effective August 1, 2012. Under the terms of the Asset Purchase Agreement, the total consideration was approximately $46,000 (the “Purchase Price”) in cash.

The Asset Purchase Agreement provides that $4,000 of the Purchase Price be held in an escrow account for 15 months following the closing of the transaction, or until October 31, 2013. Amounts in the escrow account may be applied towards our indemnification obligations in favor of Moog, if any. The Asset Purchase Agreement provides that we, subject to certain limitations, indemnify Moog for damages and losses incurred or suffered by Moog as a result of, among other things, breaches of our respective representations, warranties and covenants contained in the Asset Purchase Agreement as well as any of the liabilities that we retain. During Fiscal 2013, $650 of the escrow account was released to Moog in settlement of certain retained liabilities.

In October 2013, we received a claim for indemnification from Moog under the Asset Purchase Agreement (the “Moog Claim”). The Moog Claim demands payment for alleged losses of approximately $6,800 from the claimed breach of certain of our representations and warranties in the Asset Purchase Agreement. In November 2013, we responded to Moog denying Moog’s claim for indemnification. We intend to vigorously defend ourselves in this matter, but the ultimate outcome is uncertain.

We have accounted for the portion of the Purchase Price that was placed in the escrow account as a contingent gain, and accordingly have deferred recognition of the amount until all contingencies have lapsed or been resolved. The balance in the escrow account as of September 30, 2013 is $3,350. If the Moog Claim is resolved for an amount less than the balance in the escrow account, then any amounts remaining in the escrow account after settlement of the Moog Claim will be released to us and recorded as a gain. If the Moog Claim is resolved for an amount greater than the escrow account, then the amount of the settlement that is in excess of the escrow account balance would be recorded by us as a loss.

Revenues and expenses associated with the operations of AMPAC-ISP are presented as discontinued operations for all periods presented. Summarized financial information for AMPAC-ISP is as follows:

	Year Ended September 30,
	2013			2012		2011
Revenues	$	-		$	44,039	$	48,941
Income from Discontinued Operations, Net of Tax:
Operating income before tax	$	83		$	643	$	3,328
Income tax expense (benefit)		(62	)		506		1,185
Net income from discontinued operations		145			137		2,143
Gain (loss) on sale of discontinued operations, before tax		(74	)		5,059		-
Income tax expense (benefit)		(28	)		209		-
Net gain (loss) on sale of discontinued operations		(46	)		4,850		-
Income from discontinued operations, net of tax	$	99		$	4,987	$	2,143

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BUSINESS SEGMENT RESULTS

FINE CHEMICALS SEGMENT

	Year Ended September 30,
	2013			2012			2011
Revenues	$	124,898		$	111,536		$	89,497
Operating Income (Loss)	$	11,295		$	8,678		$	(6,283	)
Operating Margin		9	%		8	%		(7	%)

As discussed above under the heading “Other Operating Gains,” our Fine Chemicals segment operating income (loss) for Fiscal 2012 and Fiscal 2011 includes other gains of $1,714 and $2,929, respectively. To facilitate comparison of the Fiscal 2013, Fiscal 2012 and Fiscal 2011 operating results, the following table computes Adjusted Segment Operating Loss and Adjusted Segment Operating Margin which excludes these gains.

	Year Ended September 30,
	2013			2012			2011
Adjustments for Other Operating Gains:
Segment Operating Income (Loss), as reported	$	11,295		$	8,678		$	(6,283	)
Exclude Other Operating Gains		-			(1,714	)		(2,929	)
Segment Operating Income (Loss), as adjusted	$	11,295		$	6,964		$	(9,212	)
Operating Margin, as adjusted		9	%		6	%		(10	%)

Revenues. Our Fine Chemicals segment generates revenues from its Core Products and Development Products. “Core Products” include active pharmaceutical ingredients and registered intermediates manufactured for use in drugs that are commercially approved and for which our Fine Chemicals segment has been approved as a commercial producer. The products categorized as Core Products are used by our customers primarily for anti-viral, oncology and central nervous system (“CNS”) drugs. Conversely, “Development Products” are products which are not yet commercialized (generally in the later stages of clinical trials), or products which are commercial but for which we are not a current approved commercial producer. Typically, Development Product activities are the source of fostering new long-term customer relationships and often lead to future Core Products. Development Product activities also result as an outgrowth of existing long-term customer relationships for Core Products. The products categorized as Development Products are used by our customers primarily for anti-viral, CNS, oncology and pain management drugs. As part of our business development strategy, we currently target Development Product revenues at approximately 20% of Fine Chemicals segment revenues over time.

A key characteristic of the Fine Chemicals segment manufacturing and revenue cycle is that not all Core Products are manufactured in each reporting period. Our Fine Chemical segment’s capacity employs numerous production lines which vary in terms of technologies employed and scale. Typically Core Product customers place orders based on a calendar year. Our Fine Chemicals segment collaborates closely with each of its customers to develop a production schedule that meets our customers’ quality and delivery requirements and most efficiently utilizes available capacity. As a result, when comparing revenues between reporting periods, revenue variances can occur as a result of production scheduling, without a substantial change in the underlying demand for the product.

Fine Chemicals segment revenues increased 12% in Fiscal 2013 compared to Fiscal 2012, led by increases in Development Product revenues. Revenues for Core Products in the aggregate were consistent between Fiscal 2013 and Fiscal 2012. Oncology Core Product revenues increased 131% in Fiscal 2013 compared to Fiscal 2012 supported by higher volumes from new oncology Core Products for drugs that were commercialized in the later part of Fiscal 2012. The increase in oncology Core Product revenues was offset by a 26% decrease in anti-viral Core Products revenues. Calendar 2013 and Calendar 2012 customer orders for our most significant anti-viral Core Product were consistent. However, production timing and utilization of certain capacity to support a key Development Product project resulted in a revenue decline for this product when comparing Fiscal 2013 to Fiscal 2012. Revenues from CNS Core Products declined 16% in Fiscal 2013 also due to manufacturing timing.

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Development Product revenues increased 64% in Fiscal 2013 to approximately $32,500, or 26% of Fine Chemicals segment revenues. The increase is associated with an atypically large validation campaign for an anti-viral product that is in late stage clinical trials.

Fine Chemicals segment revenues increased 25% in Fiscal 2012 as compared to Fiscal 2011, led by strong anti-viral Core Product revenues. Compared to Fiscal 2011, anti-viral Core Product revenues increased 94% for Fiscal 2012. Anti-viral Core Product revenues in the Fiscal 2011 periods were at reduced levels due to a gap between production campaigns for a particular product. Production of this product resumed in early calendar 2011 under a renewed long-term agreement resulting in a significant increase in anti-viral Core Products revenues in Fiscal 2012. Revenues from CNS Core Products increased 54% compared to Fiscal 2011, reflecting improved pricing and favorable volumes. During Fiscal 2012, we renewed the production contract for the primary group of products within this therapeutic indication. The new contract has a five-year term, favorable pricing as compared to the prior contract, and contains minimum purchase requirements for our customer. The increases in anti-viral and CNS Core Products revenues were offset somewhat by lower oncology Core Products revenues. During the later part of Fiscal 2012, we began to recognize revenue from the commercial production of three new Core Products with oncology indications. The introduction of new commercial products is an important achievement for this segment. Nonetheless, the Fiscal 2012 initial revenues for these new products did not fully replace revenue declines from our legacy oncology Core Product. Our legacy oncology Core Product is an active pharmaceutical ingredient for a drug facing generic competition and, as a result, experienced volume and related revenue declines. The introduction of these new Core Products into our commercial product lines is an example of how our emphasis on our pipeline of Development Products can result in a successful replacement cycle for maturing products. Development Products revenues were approximately $19,800 in Fiscal 2012 compared to approximately $21,100 in Fiscal 2011. The small variance in revenues reflects project timing.

Operating Income (Loss). The Fine Chemicals segment reported operating profit of $11,295 in Fiscal 2013 compared to adjusted operating profit of $6,964 in Fiscal 2012, an increase of 62%. The increase in operating profit reflects additional gross margin from the higher revenue level in Fiscal 2013, offset partially by increased operating expenses. In addition, Fine Chemicals segment gross margin improved three points in Fiscal 2013 compared to Fiscal 2012, primarily due to an ordinary course change in product mix and manufacturing efficiencies between Fiscal 2013 and Fiscal 2012.

Improvements in gross profit for Fiscal 2013 were offset by increases in operating expenses of approximately $2,700. The most significant components of the increase in operating expenses relate to incremental investments in product research and business development in the amount of approximately $1,100 and retirement benefits related costs in the amount of approximately $600.

The Fine Chemicals segment returned to profitability during Fiscal 2012, reporting adjusted operating income of $6,964 compared to an adjusted operating loss of $9,212 in Fiscal 2011. Fine Chemicals segment gross margin improved by 16 points in Fiscal 2012 as compared to Fiscal 2011. Our Fine Chemicals segment dedicated significant efforts to improving the efficiency of its manufacturing activities. Other efficiencies and cost savings initiatives, such as solvent recycling, were implemented. These actions, along with improved overhead absorption due to the higher production volumes, resulted in increased gross margin for all major product categories in Fiscal 2012 in our Fine Chemicals segment.

Improvements in gross profit for Fiscal 2012 were offset by an increase in operating expenses of approximately $3,200. The operating expenses included approximately $2,200 of incentive compensation which was based on the segment’s improved performance. Incentive compensation was zero in Fiscal 2011. Fiscal 2012 also included higher insurance and retirement benefits related expenses.

Backlog. Agreements with our Fine Chemicals segment customers typically include multi-year supply agreements. These agreements may contain provisional order volumes, minimum order quantities, take-or-pay provisions, termination fees and other customary terms and conditions, which we do not include in our computation of backlog. Fine Chemicals segment backlog includes unfulfilled firm purchase orders received from a customer, including both purchase orders which are issued against a related supply agreement and stand-alone purchase orders. Fine Chemicals segment backlog was $90,300 and $80,500 as of September 30, 2013 and 2012, respectively. We anticipate order backlog as of September 30, 2013 to be substantially filled during Fiscal 2014.

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Outlook. We believe current trends in the pharmaceutical industry continue to provide us with an opportunity for long-term growth. The pharmaceutical markets we target are expected to continue to be driven by strong demand for products that use our core technologies, including anti-viral and oncology drugs, many of which are expected to benefit from the use of energetic chemistry or require high containment or other unique engineering expertise. Since a growing percentage of future drugs are anticipated to be based on chirally-pure material, we believe our investment in SMB technology may prove to be a strong, long-term competitive advantage for us. We believe there is a continuing trend toward more outsourcing by the pharmaceutical industry, especially for complex pharmaceutical ingredients that require specialized equipment or technologies, such as SMB or high-containment manufacturing, and chemicals that are sensitive from a proprietary standpoint.

Fine Chemicals segment revenues are anticipated to increase in the aggregate during Fiscal 2014 by at least 10% compared to Fiscal 2013, supported by expected growth in revenues from anti-viral Core Products. Because Fiscal 2013 Development Products revenues included an atypically large, late-phase validation campaign, we expect that Development Products revenues will decline somewhat in Fiscal 2014 compared to Fiscal 2013. Fine Chemicals segment margins for Fiscal 2014 are expected to be comparable to Fiscal 2013.

SPECIALTY CHEMICALS SEGMENT

	Year Ended September 30,
	2013			2012			2011
Revenues	$	82,636		$	68,513		$	66,905
Operating Income (Loss)	$	47,961		$	34,919		$	35,600
Operating Margin		58	%		51	%		53	%

Revenues. Specialty Chemicals segment revenues include revenues from our perchlorate, sodium azide and Halotron product lines, with perchlorates comprising 89%, 88% and 89% of Specialty Chemicals revenues in Fiscal 2013, 2012 and 2011, respectively.

Specialty Chemicals segment revenues increased 21% in Fiscal 2013 compared to Fiscal 2012 primarily due to atypical volume increases during Fiscal 2013. Total perchlorate volume increased 17% largely attributed to additional rocket-grade AP volume in support of a unique DOD-related procurement and the occurrence of significant volume for non rocket-grade perchlorate product. This increase in demand for non rocket-grade perchlorate product is very infrequent. The aggregate average price per pound for perchlorate products was consistent between Fiscal 2013 and Fiscal 2012. In addition, revenues from the sodium azide and Halotron product lines increased 19% and 18%, respectively, in Fiscal 2013 compared to Fiscal 2012, also due to higher volumes.

DOD tactical missile, commercial space launch and NASA space programs each contributed significant demand for rocket-grade AP in Fiscal 2013. The most significant programs include the Atlas V Solid Rocket Boosters, the Army’s Guided Multiple Launch Rocket System, and the National Aeronautics and Space Administration (“NASA”) Heavy Lift Vehicle, which is part of the Space Launch System program (“SLS”).

Specialty Chemicals segment revenues increased 2% in Fiscal 2012 compared to Fiscal 2011, reflecting a 10% decrease in perchlorate volume offset by a 13% increase in the related average price per pound for Fiscal 2012. The decrease in total perchlorate volume for Fiscal 2012 was primarily due to a 39% decline in volume for our lower-priced, non rocket-grade perchlorates. Rocket-grade AP volume increased in Fiscal 2012, supported by the return in Fiscal 2012 of quantities for development motors for the NASA SLS program. Tactical and strategic missile related demand remained stable. The increase in the average price per pound for Fiscal 2012 is a result of a change in product mix. The Fiscal 2012 periods include a smaller volume of our lower-priced perchlorate products. The average price per pound of rocket-grade perchlorate was consistent between the Fiscal 2012 and Fiscal 2011 periods. In addition, revenues from the Sodium Azide and Halotron product lines increased 8% and decreased 1%, respectively, in Fiscal 2012 compared to Fiscal 2011, due to routine volume variances.

Rocket-grade AP revenues are typically derived from relatively few large orders. As a result, quarterly revenue amounts can vary significantly depending on the timing of individual orders throughout the year. Average price per pound may continue to fluctuate somewhat in future periods, depending upon product mix and volume.

Operating Income. Specialty Chemicals segment reported operating income of $47,961 and operating margin of 58% for Fiscal 2013, which is atypically high for this segment. The Specialty Chemicals segment cost structure is comprised largely of fixed manufacturing costs which do not vary significantly with production volumes. In Fiscal 2013 the Specialty Chemicals segment experienced higher than

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expected perchlorate production volume, which provided better coverage of fixed costs and, in turn, resulted in an increase in operating margin. Higher production volumes included both volumes associated with the revenue increases and additional production volume that will support Fiscal 2014 revenues. Because a meaningful portion of our revenue volume for Fiscal 2014 was produced in Fiscal 2013, we expect that the operating margin benefit reflected by this increase in production volume in Fiscal 2013 will reverse in the following year and result in a decline in operating margin for this segment in Fiscal 2014.

The Specialty Chemicals segment reported operating income of $34,919 and operating margin of 51% for Fiscal 2012. The operating margin declined in Fiscal 2012 when compared to the operating margin generated in Fiscal 2011. Fiscal 2012 product mix reflected a more typical mix of re-determinable and firm fixed-price orders. As a result, gross margin declined three percentage points from Fiscal 2011. Specialty Chemicals segment operating expenses were consistent between Fiscal 2012 and Fiscal 2011.

Backlog. Specialty Chemicals segment backlog includes unfulfilled firm purchase orders received from a customer, including both purchase orders which are issued against long-term supply agreements and stand-alone purchase orders. Specialty Chemicals segment backlog was $28,000 and $25,100 as of September 30, 2013 and 2012, respectively. We anticipate order backlog as of September 30, 2013 to be substantially filled during Fiscal 2014. Specialty Chemicals product orders are typically characterized by individually large orders which occur at various times during the fiscal year. This usually results in a backlog and revenue pattern which can vary significantly from quarter to quarter.

Outlook. We expect the AP volume for tactical and strategic missiles to continue at the current levels, and the DOD applications are expected to provide the steady basis for AP demand. While the U.S. government budgeting process will affect the total demand for rocket-grade AP, we expect volume within the range of 2.5 million to 5.0 million pounds per year. Further, we expect that unit pricing will continue to vary inversely to volume. As a result, we forecast that this segment will continue to achieve reliable annual revenues, without significant growth opportunities. The most predictable and steady use of AP is expected to be in the DOD applications. The need for tactical rockets and strategic missiles is anticipated to provide the base demand over the coming five-year period and beyond.

Specialty Chemicals segment revenues are expected to return to pre-Fiscal 2013 levels. Because Fiscal 2013 included atypical volumes, when compared to Fiscal 2013, we expect that Specialty Chemicals revenues will decline in the range of 5% to 10% in Fiscal 2014. Fiscal 2013 was also unique in that a large volume of perchlorate product was produced for delivery in Fiscal 2014. When production volume substantially exceeds sales volume, this has the effect of improving margins through increased absorption of fixed manufacturing costs. In Fiscal 2014, we expect that the opposite condition will occur. Sales volume will substantially exceed manufacturing volume, therefore reducing margins. Accordingly, Specialty Chemicals segment margins are expected to return to pre-Fiscal 2013 levels in Fiscal 2014.

OTHER BUSINESSES SEGMENT

	Year Ended September 30,
	2013			2012			2011
Revenues	$	7,551		$	5,578		$	4,312
Operating Loss	$	(1,066	)	$	(473	)	$	(1,308	)
Operating Margin		(14%	)		(8%	)		(30%	)

Other Businesses segment revenues include PEPCON Systems’ water treatment equipment and related spare parts sales and real estate revenues.

For Fiscal 2013, Other Businesses segment revenues increased $1,973 as compared to Fiscal 2012 as a result of additional water treatment equipment units sold. This segment’s operating loss increased in Fiscal 2013 compared to Fiscal 2012 primarily due to higher than anticipated costs to fulfill equipment orders.

The increase in revenues for Fiscal 2012 reflected a 16% increase in equipment sales and an 81% increase in spare parts sales compared to Fiscal 2011. From time to time, spare parts sales include an infrequent large order, which was the cause of the increase in Fiscal 2012. The variance in equipment sales was driven by the timing of new system shipments. The operating loss was reduced in Fiscal 2012 compared to Fiscal 2011. The magnitude of cost overruns to complete equipment orders was not as large in Fiscal 2012 compared to Fiscal 2011 due to improvements in order execution.

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CORPORATE EXPENSES

	Year Ended September 30,
	2013		2012		2011
Corporate Expenses	$	17,101	$	14,326	$	14,124

Corporate operating expenses increased $2,775 in Fiscal 2013 compared to Fiscal 2012. The most significant increase is an approximately $1,400 increase in accrued estimated compensation costs for long-term, share-based, incentive compensation driven by the rapid rise in the share price during the Fiscal 2013 fourth quarter. Accounting for the issuance of restricted stock units requires that we revalue estimated compensation expense each quarter based on the closing share price of our common stock for the quarter. The Company’s common stock closed at $54.76 on September 30, 2013, resulting in a significant increase in estimated compensation expense from prior measurements. Actual compensation received by the grantees is contingent upon the achievement of a financial performance measure for the two years ending September 30, 2014 and will be valued based on the closing share price of our common stock on that date. Accrued long-term incentive compensation will continue to increase or decrease each quarter based on the closing share price of our common stock on the last business day of such quarter. In addition, the corporate portion of costs associated with our defined benefit retirement plans increased by approximately $800 and the advisory and professional services costs associated with corporate strategic activities increased by approximately $700.

Corporate operating expenses increased $202 in Fiscal 2012 compared to Fiscal 2011, largely due to increases in board of directors and shareholder matter related costs.

LIQUIDITY AND CAPITAL RESOURCES

CASH FLOWS

	Year Ended September 30,									Percentage Change
	2013			2012			2011			13 vs. 12		12 vs. 11
Cash Provided (Used) By:
Operating activities	$	51,895		$	11,647		$	20,743			346%		(44%)
Investing activities		(13,916	)		28,010			(13,151	)		(150%)		(313%)
Financing activities		(8,297	)		(39,171	)		(900	)		(79%)		4,252%
Effect of changes in exchange rates on cash		-			(7	)		26			NM		NM
Net change in cash for period	$	29,682		$	479		$	6,718			6,097%		(93%)
NM = Not meaningful

Operating Activities

Fiscal 2013 compared to Fiscal 2012

Operating activities provided cash of $51,895 for Fiscal 2013 compared to $11,647 for Fiscal 2012, an increase of $40,248.

Significant components of the change in cash flow from operating activities include:

— An increase in cash due to the improvement in cash profits provided by our operations.

— An improvement in cash provided by working capital accounts of approximately $27,600, excluding the effects of interest and income taxes.

— An increase in cash paid for income taxes of approximately $14,900.

— A decrease in cash paid for interest expense of approximately $6,400.

— An increase in cash paid for costs associated with the retirement of long-term debt of approximately $700.

— A decrease in cash used for environmental remediation activities of approximately $5,300.

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— A decrease in cash used to fund pension obligations of approximately $4,200.

— An increase in cash provided by other operating activities of approximately $200.

The improvement in working capital cash flow reflects additional customer deposits received by our Fine Chemicals segment in Fiscal 2013.

Cash paid for income taxes increased because our earnings increased and our federal operating loss carryforwards were fully utilized in Fiscal 2012.

Cash paid for interest in Fiscal 2013 decreased as compared to Fiscal 2012 reflecting both lower outstanding debt balances and lower interest rates that resulted from our refinancing in October 2012. Also in connection with the retirement of our Senior Notes (defined below) in September 2012 and October 2012, we incurred cash redemption costs of approximately $900 and $1,600, respectively, comprised primarily of the call premium. See further discussion below under the heading “Long-Term Debt and Credit Facilities.”

Environmental remediation spending decreased in Fiscal 2013 because Fiscal 2012 included higher spending associated with the capital expansion of our remediation facilities than Fiscal 2013.

We make payments to fund defined benefit pension obligations at a level of at least 80% of the obligation. Our contributions were reduced in Fiscal 2013, compared to Fiscal 2012, primarily due to improved plan asset returns in Fiscal 2012. In Fiscal 2012, we made additional contributions to our pension plans because the return on pension plan assets in the preceding year was not sufficient to maintain our target funding requirements.

Fiscal 2012 compared to Fiscal 2011

Operating activities provided cash of $11,647 for Fiscal 2012 compared to $20,743 for the prior fiscal year, resulting in a decrease of $9,096.

Significant components of the change in cash flow from operating activities include:

— An increase in cash due to an improvement in cash profits generated by our continuing operations.

— A decrease in cash provided by working capital accounts of approximately $19,600, excluding the effects of interest and income taxes.

— A decrease in cash taxes refunded of approximately $3,100.

— An increase in cash used for environmental remediation of approximately $6,400.

— An increase in cash used to fund pension obligations of $2,500.

— An increase in cash paid for interest and debt extinguishment costs of approximately $1,300.

— Other increases in cash provided by operating activities, primarily discontinued operations, of approximately $9,200.

The decrease in cash provided by working capital accounts relates primarily to changes in customer deposits. In March 2011, the Specialty Chemicals segment received an atypically high customer deposit that resulted from favorable contract terms. This did not recur in Fiscal 2012. Remaining variances in working capital are within our customary ranges, including an increase in Fine Chemicals segment inventory at September 30, 2012.

During Fiscal 2011, we received income tax refunds from federal income tax carryback claims. This did not recur in Fiscal 2012, resulting in a decrease in income tax refunds when comparing the periods.

During Fiscal 2012 we spent $10,119 for remediation activities compared to $3,697 in Fiscal 2011. The increase reflects cash used for the capital elements of the Henderson, Nevada, expansion project. See detailed discussion under the heading “Environmental Remediation–AMPAC Henderson Site” below.

During Fiscal 2012 and Fiscal 2011, we made payments to fund defined benefit pension obligations at 80% of the obligation. In Fiscal 2012, the company contribution needed to meet this funding level increased because the return on pension plan assets in the preceding year was not sufficient to maintain our target funding requirements.

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Cash used by discontinued operations working capital accounts decreased because these operations did not experience the same working capital requirements in Fiscal 2012 (prior to their divestiture) as they experienced in Fiscal 2011.

We consider the working capital changes to be routine and within the normal production cycle of our products. The production of most fine chemical products requires a length of time that exceeds one quarter. In any given quarter, accounts receivable, work-in-progress inventory or deferred revenues and customer deposits can increase or decrease significantly. We expect that our working capital may vary normally by as much as $10,000 from quarter to quarter.

Investing Activities

Fiscal 2013 compared to Fiscal 2012

Capital expenditures in Fiscal 2013 were $13,916 compared to $8,788 for Fiscal 2012. The increase primarily relates to Fiscal 2013 projects that will provide additional medium scale capacity for our Fine Chemicals segment. Maintenance capital spending was consistent between Fiscal 2013 and Fiscal 2012.

We are anticipating our capital expenditures, which do not include environmental remediation spending, for Fiscal 2014 to be approximately $22,000, including approximately $12,500 for growth capital and additional capacity at our Fine Chemicals segment’s facilities. In particular, our planned growth capital includes an investment of approximately $8,500 to further expand our mid-range production capacity.

Fiscal 2012 compared to Fiscal 2011

Capital expenditures of $8,788 for Fiscal 2012 reflect a decrease from Fiscal 2011 of $3,143. During Fiscal 2012, our Fine Chemicals segment required less investment in capital equipment associated with new products and contracts. Maintenance capital spending was consistent between Fiscal 2012 and Fiscal 2011.

As discussed above under the heading “Discontinued Operations,” effective on August 1, 2012, we sold our Aerospace Equipment segment. After reducing the total consideration of $46,000 by the amount placed in escrow, cash sold with the foreign entities, and transaction expenses, the net proceeds to us during Fiscal 2012 were $37,418.

Financing Activities

Fiscal 2013 compared to Fiscal 2012

Fiscal 2013 financing activities used cash of $8,297. The Fiscal 2013 amount includes a reduction in our long-term debt of $5,000 and debt issuance costs of $1,386, each incurred in connection with our October 2012 refinancing activities. Subsequent to our October 2012 refinancing, we also made scheduled principal payments for our new term loan in the amount of $4,500. See further discussion below under the heading “Long-Term Debt and Credit Facilities.” Uses of cash for refinancing and debt reduction were offset partially by the cash proceeds and tax benefits from stock option exercises which totaled $2,607 for Fiscal 2013. During Fiscal 2013, 204,157 stock options were exercised at an average exercise price of $8.72 per share.

Fiscal 2012 compared to Fiscal 2011

On August 9, 2012, we called $40,000 of the outstanding principal amount of our Senior Notes (defined below). On September 10, 2012, we completed the redemption, using net cash proceeds from the sale of AMPAC-ISP and available cash balances. See further discussion below under the heading “Long Term Debt and Credit Facilities.”

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During Fiscal 2012, net cash from the exercise of stock options increased compared to Fiscal 2011. During Fiscal 2012, 98,692 stock options were exercised at an average exercise price of $7.64 per share compared to 16,500 stock options at an average exercise price of $4.87 per share during Fiscal 2011.

LIQUIDITY AND CAPITAL RESOURCES. As of September 30, 2013, we had cash of $60,864 and no borrowing outstanding against our Revolving Facility. Our primary source of working capital is cash flows from operations and our Revolving Facility (defined below). Available borrowings under the Revolving Facility are computed as the $25,000 committed line less any outstanding revolving loans and outstanding letters of credit. As of September 30, 2013, we had no borrowings outstanding under the Revolving Facility, outstanding letters of credit of $4,466 and availability for revolving loans of $20,534.

In October 2012, we called and terminated our senior notes with an aggregate principal amount of $65,000 and replaced the notes with the Credit Facility (defined below) that includes a $60,000 term loan and a $25,000 revolving credit line. Funds used to call the notes of $68,315, were provided by the net proceeds from the term loan and available cash balances. The revolving credit line provides a committed revolving credit line, up to a maximum of $25,000. For further discussion, see below under the heading “Long-Term Debt and Credit Facilities.” The term loan requires quarterly principal amortization, which differs from the senior notes which had no principal amortization requirements. We do not anticipate that the principal payment requirements under the new facility will have a significant impact on our liquidity because we expect that the cash requirements for principal payments will be substantially offset by lower interest expense.

We believe that changes in cash flow from operations during our fiscal periods reflect short-term timing and accordingly do not represent significant changes in our sources and uses of cash. Because our revenues, and related customer invoices and collections, are characterized by relatively few individually significant transactions, our working capital balances can vary normally by as much as $10,000 from period to period.

We may incur additional debt to fund capital projects, strategic initiatives or for other general corporate purposes, subject to our existing leverage, the value of our unencumbered assets and borrowing limitations imposed by our lenders. The availability of our cash inflows is affected by the timing, pricing and magnitude of orders for our products. From time to time, we may explore options to refinance our borrowings.

The timing of our cash outflows is affected by payments and expenses related to the manufacture of our products, capital projects, pension funding, interest on our debt obligations and environmental remediation or other contingencies, which may place demands on our short-term liquidity. Although we are not currently party to any material pending legal proceedings, we are from time to time subject to claims and lawsuits related to our business operations and we have incurred legal and other costs as a result of litigation and other contingencies. We may incur material legal and other costs associated with the resolution of litigation and contingencies in future periods, and, to the extent not covered by insurance, they may adversely affect our liquidity.

In contemplating the adequacy of our liquidity and available capital, we consider factors such as:

— current results of operations, cash flows and backlog;

— anticipated changes in operating trends, including anticipated changes in revenues and margins;

— cash requirements related to our debt agreements and pension plans; and

— cash requirements related to our remediation activities.

We do not currently anticipate that the factors noted above will have material effects on our ability to meet our future liquidity requirements. We continue to believe that our cash flows from operations, existing cash balances and existing or future debt arrangements will be adequate for the foreseeable future to satisfy the needs of our operations on both a short-term and long-term basis.

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LONG-TERM DEBT AND CREDIT FACILITIES

Senior Notes. In February 2007, we issued and sold $110,000 aggregate principal amount of 9.0% Senior Notes due February 1, 2015 (the “Senior Notes”). The Senior Notes accrued interest at an annual rate of 9.0%, payable semi-annually in February and August. The Senior Notes were guaranteed on a senior unsecured basis by all of our existing and future material U.S. subsidiaries.

On August 9, 2012, we called $40,000 of the outstanding principal amount of the Senior Notes. On September 10, 2012 we completed the redemption, using net cash proceeds from the sale of AMPAC-ISP and available cash balances. The redemption price for the Notes was 102.25% of the principal amount of the Notes being redeemed, plus accrued and unpaid interest to the redemption date. The transaction resulted in a net loss on debt retirement of $1,397 which includes the call premium of $900, unamortized debt issuances costs of $482 and other expenses of $15.

In connection with our entering into the Credit Facility (as defined below), on October 26, 2012, a notice of redemption was issued for all remaining outstanding Senior Notes specifying a redemption date of November 25, 2012. The Redemption Price for the Notes was 102.250% of the outstanding principal amount of $65,000, plus accrued and unpaid interest to, but not including, the redemption date. On October 26, 2012, we irrevocably deposited funds with the trustee in an amount equal to the Redemption Price for the Senior Notes and the related indenture was discharged. The transaction resulted in a net loss on debt retirement of $2,835 which includes the call premium of $1,463, the write-off of then unamortized debt issuances costs of $1,252 and other expenses of $120.

ABL Credit Facility. On January 31, 2011, American Pacific Corporation, as borrower, with certain domestic subsidiaries of the Company as guarantors, entered into an asset based lending credit agreement (the “ABL Credit Facility”) with Wells Fargo Bank, National Association, as agent and as lender, which provided a secured revolving credit facility in an aggregate principal amount of up to $20,000 at any time outstanding with an initial maturity of 90 days prior to the maturity date of the Senior Notes, which was February 1, 2015. The maximum borrowing availability under the ABL Credit Facility was based upon a percentage of our eligible account receivables and eligible inventories. On October 26, 2012, we terminated the ABL Credit Facility.

Credit Facility. On October 26, 2012, we entered into an $85,000 senior secured credit agreement (the “Credit Facility”) by and among American Pacific Corporation, the lenders party thereto (the “Lenders”) and KeyBank National Association, as the swing line lender, issuer of letters of credit under the Credit Facility and as the Administrative Agent of the Lenders. Under the Credit Facility, we (i) obtained a term loan in the aggregate principal amount of $60,000 with an initial maturity in five years (the “Term Loan”), and (ii) may obtain revolving loans of up to $25,000 in aggregate principal amount, of which up to $5,000 may be outstanding in connection with the issuance of letters of credit (the “Revolving Facility”). We may prepay and terminate the Credit Facility at any time, without premium or penalty. The Credit Facility contains certain mandatory prepayment provisions which are based upon certain asset sales, equity issuances, incurrence of certain indebtedness and events of loss.

For any loans under the Credit Facility, we elect between two options to determine the annual interest rates applicable to such loans: Base Rate Loans and Eurodollar Loans. These elections can be renewed or changed from time to time during the term of the Credit Facility. The interest rate for an election period is determined as the Base Rate or the Adjusted Eurodollar Rate (each as defined in the Credit Facility), and in each case, plus an applicable margin, which shall range from 0.75% to 1.50% for Base Rate Loans or from 1.75% to 2.50% for Eurodollar Loans, subject to adjustment based on the leverage ratio. Interest payments are due at least quarterly and may be more frequent under certain Eurodollar Loan elections. The Term Loan includes quarterly principal amortization payments which commenced on December 31, 2012. Scheduled Amortization of the Term Loan is $4,500, $6,000, $6,000, $6,000 and $7,500 for each of the five years in the period ending September 30, 2017, respectively. The remaining balance of the Term Loan of $30,000 is due upon maturity.

The Credit Facility is guaranteed by our current and future domestic subsidiaries and is secured by substantially all of our assets and the assets of our current and future domestic subsidiaries, subject to

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certain exceptions as set forth in the Credit Facility. The Credit Facility contains customary affirmative, negative and financial covenants which, among other things, restrict our ability to:

— pay dividends, repurchase our stock, or make other restricted payments;

— make certain investments or acquisitions;

— incur additional indebtedness;

— create or permit to exist certain liens;

— enter into certain transactions with affiliates;

— consummate a merger, consolidation or sale of assets;

— change our business; and

— wind up, liquidate, or dissolve our affairs.

In each case, the covenants set forth above are subject to customary and negotiated exceptions and exclusions.

The Credit Facility includes two financial covenants that are measured quarterly.

Leverage Ratio. The Leverage Ratio must be less than or equal to 3.00 to 1.00. The Credit Facility defines the Leverage Ratio as the ratio of Consolidated Total Debt as of the last day of a quarter (“Test Date”) to Consolidated EBITDA for the four consecutive quarters preceding the Test Date, each as defined in the Credit Facility.

Debt Service Coverage Ratio. The Debt Service Coverage Ratio must be at least 2.00 to 1.00, with increases to 2.25 to 1.00 for the period commencing September 30, 2014 to September 29, 2015, and to 2.50 to 1.00 for the period commencing September 30, 2015 and thereafter. The Credit Facility defines the Debt Service Coverage Ratio as the ratio of Consolidated EBITDA minus Consolidated Capital Expenditures to Scheduled Repayments plus Consolidated Adjusted Interest Expense, each as defined in the Credit Facility.

With respect to these covenant compliance calculations, Consolidated EBITDA, as defined in the Credit Facility (hereinafter, referred to as “Credit Facility EBITDA”), differs from typical EBITDA calculations and our calculation of Adjusted EBITDA, which is used in certain of our public releases and in connection with our incentive compensation plan. The most significant difference in the Credit Facility EBITDA calculation is the inclusion of cash payments for environmental remediation as part of the calculation. The following statements summarize the elements of those definitions that are material to our computations. Consolidated Total Debt generally includes principal amounts outstanding under our Credit Facility, capital leases, drawn amounts for outstanding letters of credit and other indebtedness for borrowed money. Credit Facility EBITDA is generally computed as consolidated net income (loss) plus income tax expense (benefit), interest expense, depreciation and amortization, stock-based compensation expense, and certain non-cash charges and less cash payments for environmental remediation, extraordinary gains and certain other non-cash gains. In accordance with the definitions contained in the Credit Facility, as of September 30, 2013, our Leverage Ratio was 1.04 to 1.00 and our Debt Service Coverage Ratio was 6.21 to 1.00.

The Credit Facility also contains usual and customary events of default (subject to certain threshold amounts and grace periods). If an event of default occurs and is continuing, the Company may be required to repay the obligations under the Credit Facility prior to the Credit Facility’s stated maturity and the related commitments may be terminated.

Letters of Credit. We issue letters of credit principally to secure performance related to insurance, utilities, and certain product contracts. As of September 30, 2013, we had $4,466 in outstanding letters of credit, maturing through April 2017, that were issued under our Revolving Facility. In addition, as of September 30, 2013, we had $315 in outstanding standby letters of credit, maturing through April 2016, that were not issued under our Revolving Facility. Letters of credit that are not issued under our Revolving Facility are collateralized by cash on deposit with the issuing bank in the amount of 105% of the outstanding letters of credit. Collateral deposits are classified as other assets on our consolidated balance sheets.

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Interest Rate Swap Agreement. On January 24, 2013, we entered into a floating-to-fixed interest rate swap with an initial notional amount of $58,875 (such notional amount reducing over the life of the arrangement), terminating October 26, 2017, which will effectively convert our floating-rate debt to a fixed rate. Under the terms of the swap, we will pay a fixed rate of approximately 0.775% and we will receive a floating-rate payment tied to the one-month LIBOR.

Principal Maturities. Principal maturities for our Credit Facility and capital leases that were outstanding as of September 30, 2013 are as follows:

Years ending September 30:
2014	$	6,002
2015		6,000
2016		6,000
2017		7,500
2018		30,000
Total	$	55,502

PENSION BENEFITS. We maintain three defined benefit pension plans which cover substantially all of our employees: the Amended and Restated American Pacific Corporation Defined Benefit Pension Plan, the Ampac Fine Chemicals LLC Pension Plan for Salaried Employees, and the Ampac Fine Chemicals LLC Pension Plan for Bargaining Unit Employees, each as amended to date. Collectively, these three plans are referred to as the “Pension Plans.” In May 2010, our board of directors approved amendments to our Pension Plans which effectively closed the Pension Plans to participation by any new employees. Retirement benefits for existing U.S. employees and retirees through June 30, 2010 were not affected by this change. Beginning July 1, 2010, new U.S. employees began participating solely in one of our 401(k) plans. Pension Plan benefits are paid based on an average of earnings, retirement age and length of service, among other factors.

Benefit obligations are measured annually as of September 30. As of September 30, 2013, the Pension Plans had an unfunded projected benefit obligation of $19,390. For Fiscal 2013, we made contributions to the Pension Plans in the amount of $6,704. We anticipate making Pension Plan contributions in the amount of approximately $2,100 during Fiscal 2014. We are required to make minimum contributions to our Pension Plans pursuant to the minimum funding requirements of the Internal Revenue Code of 1986, as amended, and the Employee Retirement Income Security Act of 1974, as amended. In accordance with federal requirements, our minimum funding obligations are determined annually based on a measurement date of October 1. The fair value of Pension Plan assets is a key factor in determining our minimum funding obligations. Holding all other variables constant, a 10% decline in asset value as of September 30, 2013 would increase our minimum funding obligations for Fiscal 2014 by approximately $364.

In addition, we maintain the American Pacific Corporation Supplemental Executive Retirement Plan, as amended and restated (the “SERP”), that includes three active and two former executive officers. The SERP is an unfunded plan and as of September 30, 2013 the SERP projected benefit obligation was $11,186. For Fiscal 2013, we paid SERP retirement benefits of $525. We anticipate contributing the amount of approximately $677 to the SERP during Fiscal 2014 for the payment of retirement benefits. Payments for retirement benefits should increase in future years when each of the three current active participants retires. The future increase in such retirement benefits will be determined based on certain variables, including each participating individual’s actual retirement date, rate of compensation and years of service.

As of September 30, 2013, our aggregate Pension Plans and SERP liabilities decreased significantly primarily due to increases in the actuarial assumptions for the discount rate on the obligations. The decrease in the aggregate obligation as of September 30, 2013, offsets increases in the aggregate obligation that were recorded on September 30, 2012, when the discount rate assumption was reduced significantly. These actuarial changes are recorded as an increase/decrease in Pension Obligations and a corresponding decrease/increase in Stockholders’ Equity (Accumulated Other Comprehensive Loss).

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ENVIRONMENTAL REMEDIATION RESERVES. We accrue for anticipated costs associated with environmental remediation that are probable and estimable. On a quarterly basis, we review our estimates of future costs that could be incurred for remediation activities. In some cases, only a range of reasonably possible costs can be estimated. In establishing our reserves, the most probable estimate is used; otherwise, we accrue the minimum amount of the range.

During Fiscal 2005 and Fiscal 2006, we recorded aggregate charges of $26,000 representing our estimates at the time of the probable costs of our remediation efforts at the AMPAC Henderson Site, including the costs for capital equipment and on-going operating and maintenance (“O&M”).

Late in Fiscal 2009, we gained additional information from groundwater modeling that indicated groundwater emanating from the AMPAC Henderson Site in certain areas in deeper zones (more than 150 feet below ground surface) was moving toward our existing remediation facility at a much slower pace than previously estimated. Utilization of our existing facilities alone, at this slower groundwater pace, could, according to this groundwater model, extend the life of our remediation project to well in excess of 50 years. As a result of this additional data, related model interpretations and consultations with NDEP, we re-evaluated our remediation operations and determined that we should be able to improve the effectiveness of the treatment program and significantly reduce the total project time by expanding the treatment system existing at the time. The expansion included installation of additional groundwater extraction wells in the deeper, more concentrated areas, construction of an underground pipeline to move extracted groundwater to our treatment facility, and the addition of fluidized bed reactor (“FBR”) bioremediation treatment equipment (the “Expansion Project”) that will enhance, and in some cases replace, primary components of the existing treatment system. In our Fiscal 2009 fourth quarter, we accrued $13,700 as our initial estimate of the capital cost of the Expansion Project and the related estimates of the effects of the enhanced operations on the on-going O&M costs and project life.

Through June 2011, and in cooperation with NDEP, we worked to develop the formal design, engineering and permitting of the Expansion Project. Based on data obtained through that date, which was largely comprised of firm quotations, we determined that significant modifications to our Fiscal 2009 assumptions were required. As a result, in June 2011, we accrued an additional $6,000 for the estimated increase in cost of the capital component of the Expansion Project, offset slightly by reductions in O&M cost estimates. The estimated capital costs of the Expansion Project increased by approximately $6,400. The increase reflected (i) an increase in the capacity of the FBR bioremediation treatment equipment to accommodate technical requirements based on the testing of new extraction wells in the fall of 2010, and (ii) higher than initially anticipated costs associated with the installation of the equipment and construction of the pipeline. Our estimate of total O&M costs was reduced by approximately $400.

In September 2012, we commenced initial operation of the Expansion Project with planned start up activities completed in Fiscal 2013. System optimization will continue in Fiscal 2014. In September 2012, we recorded an additional remediation charge in the amount of $700, which is substantially attributed to the true-up of estimates to the expected final cost of the Expansion Project. Due to uncertainties inherent in making estimates, our estimates of capital and O&M costs may later require significant revision as new facts become available and circumstances change.

The estimated life of the project is a key assumption underlying the accrued estimated cost of our remediation activities. Groundwater modeling and other information regarding the characteristics of the surrounding land and demographics indicate that at our targeted processing rates and targeted perchlorate mass destruction rates, the life of the project could range from five to 18 years from the date that the Expansion Project was placed in service. Further, the data indicates that within that range, seven to 14 years is the more likely range. In accordance with generally accepted accounting principles, if no point within the more likely range is considered more likely than another, then estimates should be based on the low end of the range. Accordingly, our accrued remediation cost includes estimated O&M costs through 2019, which is the low end of the likely range of the project life. Groundwater speed, perchlorate concentrations, aquifer characteristics and forecasted groundwater extraction rates will continue to be key factors considered when estimating the life of the project. If additional information becomes available in the future that leads to a different interpretation of the model, thereby dictating a change in equipment and operations, our estimate of the resulting project life could change significantly.

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The estimate of the annual O&M cost of the project is a key assumption in our computation of the estimated cost of our remediation activities. To estimate future O&M costs, we consider, among other factors, the remaining project scope and historical expense rates to develop assumptions regarding labor, utilities, repairs, maintenance supplies and professional services costs. We estimate average annual O&M costs to range from approximately $1,800 to $2,100. If additional information becomes available in the future that is different than information currently available to us and thereby leads us to different conclusions, our estimate of O&M expenses could change significantly.

In addition, certain remediation activities are conducted on public lands under operating permits. In general, these permits may require us to relocate our underground pipeline or equipment to accommodate future public utilities and features and require us to return the land to its original condition at the end of the permit period. If we are required to relocate our underground pipeline or equipment in the future, the costs of such activities would be incremental to our current cost estimates. Estimated costs associated with removal of remediation equipment from the land are not material and are included in our range of estimated costs.

As of September 30, 2013, the aggregate range of anticipated environmental remediation costs was from approximately $8,300 to approximately $32,000. This range represents a significant estimate and is based on the estimable elements of cost for capital and O&M costs, and an estimated remaining operating life of the project through a range from the years 2017 to 2030. As of September 30, 2013, the accrued amount was $11,947, based on an estimated remaining life of the project through the year 2019, or the low end of the more likely range of the expected life of the project. Cost estimates are based on our current assessments of the facility configuration. As we proceed with the project, we have, and may in the future, become aware of elements of the facility configuration that must be changed to meet the targeted operational requirements. Certain of these changes may result in corresponding cost increases. Costs associated with the changes are accrued when a reasonable alternative, or range of alternatives, is identified and the cost of such alternative is estimable. Our estimated reserve for environmental remediation is based on information currently available to us and may be subject to material adjustment upward or downward in future periods as new facts or circumstances may indicate.

CONTRACTUAL OBLIGATIONS. The following table summarizes our fiscal year contractual obligations and commitments as of September 30, 2013.

	Payments Due by Year Ending September 30,
	2014		2015-2016		2017-2018		Thereafter		Total
Long-Term Debt	$	6,000	$	12,000	$	37,500	$	-	$	55,500
Interest on Long-Term Debt, net of Interest Rate Swap Agreement		1,768		2,992		1,207		-		5,967
Operating Leases		1,192		2,321		1,879		53		5,445
Capital Leases		2		-		-		-		2
Total	$	8,962	$	17,313	$	40,586	$	53	$	66,914

In addition to the contractual obligations listed in the table above, at September 30, 2013:

— We have recorded an estimated liability for environmental remediation of $11,947 (see Note 10 to the consolidated financial statements included in Item 8 of this report). We expect to spend approximately $2,244 for environmental remediation during Fiscal 2014.

— We have recorded aggregate Pension Plans and SERP obligations of $30,576 (see Note 9 to the consolidated financial statements included in Item 8 of this report). We expect to contribute $2,777 to our Pension Plans and SERP during Fiscal 2014.

— We have uncertain tax positions totaling $204. We are unable to reasonably estimate the timing of the related payments, if any.

— We have recorded an estimated long-term liability for amounts that may become payable upon vesting of outstanding grants of restricted stock units (“RSU”) in the amounts of $1,883. Under the terms of the RSU agreements, vesting is contingent upon attainment of a financial performance target for the two-year period ending September 30, 2014, and settlement, if any, will be made in cash. If vesting criteria is met, the actual cash payment will be based on the then current share price of the Company’s common stock multiplied by the number of vested RSUs.

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— We also maintain the Revolving Facility, which provides revolving credit in an aggregate principal amount of up to $25,000 with an initial maturity in October 2017. At September 30, 2013, we had no balance outstanding under the Revolving Facility. We may prepay and terminate the Revolving Credit Facility at any time.

— We have issued letters of credit principally to secure performance related to insurance, utilities, and certain product contracts, in an aggregate amount of $4,781 as of September 30, 2013.

Off Balance Sheet Arrangements. We have no off balance sheet arrangements.

Operating Leases. We lease our corporate offices under an operating lease that expires in 2018 and contains step rent provisions, escalation clauses and also provides for cash allowances toward the funding of capital improvements. Our minimum lease payments include these considerations. Minimum lease payments are recognized as rental expense on a straight-line basis over the minimum lease term.

Employee Agreements. We have an employment agreement with our Chief Executive Officer. The term of the employment agreement currently ends on September 30, 2016, unless amended or extended in accordance with the terms of the agreement or otherwise. Significant contract provisions include annual base salary, health care benefits, and non-compete provisions. The employment agreement is primarily an “at will” employment agreement, under which we may terminate the executive officer’s employment for any or no reason. Generally, the agreement provides that a termination without cause obligates us to pay certain severance benefits specified in the contract.

We maintain severance agreements with four other executive officers which generally provide that a termination of the executive without cause obligates us to pay certain severance benefits specified in the contract. In addition, certain other key divisional executives are eligible for severance benefits. Estimated minimum aggregate severance benefits under all of these agreements and arrangements was approximately $5,800 as of September 30, 2013. In addition, we maintain a general ongoing employee severance policy that may provide benefits only for specified terminations, such as involuntary terminations without cause. The policy provides a formula for determining benefits based on position and years of service.

INFLATION. Generally, inflation did not have a material or significant effect on our sales and operating revenues or costs during the three-year period ended September 30, 2013.

CRITICAL ACCOUNTING POLICIES

The preparation of financial statements in conformity with generally accepted accounting principles in the United States of America requires that we adopt accounting policies and make estimates and assumptions that affect the reported amounts of assets and liabilities, disclosure of contingent assets and liabilities and the reported amounts of revenue and expenses.

Application of the critical accounting policies discussed below requires significant judgment, often as the result of the need to make estimates of matters that are inherently uncertain. If actual results were to differ materially from the estimates made, the reported results could be materially affected. However, we are not currently aware of any reasonably likely events or circumstances that would result in materially different results.

SALES AND REVENUE RECOGNITION. We recognize revenues when persuasive evidence of an arrangement exists, delivery has occurred or services have been rendered, title passes, the price is fixed or determinable and collectability is reasonably assured. Almost all products sold by our Fine Chemicals segment are subject to customer acceptance periods. Specifically, these customers have contractually negotiated acceptance periods from the time they receive certificates of analysis and compliance (“Certificates”) to reject the material based on issues with the quality of the product, as defined in the applicable agreement. At times, we receive payment in advance of customer acceptance. If we receive payment in advance of customer acceptance, we record deferred revenues and deferred costs of revenue upon delivery of the product and recognize revenues in the period when the acceptance period lapses or the customer’s acceptance has occurred.

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Some of our perchlorate and fine chemicals products customers have requested that we store materials purchased from us in our facilities (“Bill and Hold” transactions or arrangements). We recognize revenue prior to shipment of these Bill and Hold transactions when we have satisfied the applicable revenue recognition criteria, which include the point at which title and risk of ownership transfer to our customers. These customers have specifically requested in writing, pursuant to a contract, that we invoice for the finished product and hold the finished product until a later date. For our Bill and Hold arrangements that contain customer acceptance periods, we record deferred revenues and deferred costs of revenues when such products are available for delivery and Certificates have been delivered to the customers. We recognize revenue on our Bill and Hold transactions in the period when the acceptance period lapses or the customer’s acceptance has occurred. The sales value of inventory, subject to Bill and Hold arrangements, at our facilities was $9,517 and $19,346 as of September 30, 2013 and 2012, respectively.

DEPRECIABLE OR AMORTIZABLE LIVES OF LONG-LIVED ASSETS. Our depreciable or amortizable long-lived assets include property, plant and equipment, which are recorded at cost. Depreciation or amortization is recorded using the straight-line method over the shorter of the asset’s estimated economic useful life or the lease term, if the asset is subject to a capital lease. Economic useful life is the duration of time that we expect the asset to be productively employed by us, which may be less than its physical life. Significant assumptions that affect the determination of estimated economic useful life include: wear and tear, obsolescence, technical standards, contract life, and changes in market demand for products.

The estimated economic useful life of an asset is monitored to determine its appropriateness, especially in light of changed business circumstances. For example, changes in technological advances, changes in the estimated future demand for products, or excessive wear and tear may result in a shorter estimated useful life than originally anticipated. In these cases, we would depreciate the remaining net book value over the new estimated remaining life, thereby increasing depreciation expense per year on a prospective basis. Likewise, if the estimated useful life is increased, the adjustment to the useful life decreases depreciation expense per year on a prospective basis.

IMPAIRMENT OF LONG-LIVED ASSETS. We test our property, plant and equipment for recoverability when events or changes in circumstances indicate that their carrying amounts may not be recoverable. Examples of such circumstances include, but are not limited to, operating or cash flow losses from the use of such assets or changes in our intended uses of such assets. To test for recovery, we group assets (an “Asset Group”) in a manner that represents the lowest level for which identifiable cash flows are largely independent of the cash flows of other groups of assets and liabilities. Our Asset Groups are typically identified by facility because each facility has a unique cost overhead and general and administrative expense structure that is supported by cash flows from products produced at the facility. The carrying amount of an Asset Group is not recoverable if it exceeds the sum of the undiscounted cash flows expected to result from the use and eventual disposition of the Asset Group.

If we determine that an Asset Group is not recoverable, then we would record an impairment charge if the carrying value of the Asset Group exceeds its fair value. Fair value is based on estimated discounted future cash flows expected to be generated by the Asset Group. The assumptions underlying cash flow projections would represent management’s best estimates at the time of the impairment review. Some of the factors that management would consider or estimate include: industry and market conditions, sales volume and prices, costs to produce and inflation. Changes in key assumptions or actual conditions that differ from estimates could result in an impairment charge. We use reasonable and supportable assumptions when performing impairment reviews, but cannot predict the occurrence of future events and circumstances that could result in impairment charges.

When we review Asset Groups for recoverability, we also consider depreciation estimates and methods or the amortization period, in each case as required by applicable accounting standards. Any revision to the remaining useful life of a long-lived asset resulting from that review also is considered in developing estimates of future cash flows used to test the Asset Group for recoverability.

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ENVIRONMENTAL COSTS. We are subject to environmental regulations that relate to our past and current operations. We record liabilities for environmental remediation costs when our assessments indicate that remediation efforts are probable and the costs can be reasonably estimated. On a quarterly basis, we review our estimates of future costs that could be incurred for remediation activities. In some cases, only a range of reasonably possible costs can be estimated. In establishing our reserves, the most probable estimate is used; otherwise, we accrue the minimum amount of the range. Estimates of liabilities are based on currently available facts, existing technologies and presently enacted laws and regulations. These estimates are subject to revision in future periods based on actual costs or new circumstances. Accrued environmental remediation costs include the undiscounted cost of equipment, operating and maintenance costs, and fees to outside law firms and consultants, for the estimated duration of the remediation activity and do not include an assumption for inflation. Estimating environmental cost requires us to exercise substantial judgment regarding the cost, effectiveness and duration of our remediation activities. Actual future expenditures could differ materially from our current estimates.

We evaluate potential claims for recoveries from other parties separately from our estimated liabilities. We record an asset for expected recoveries when recoveries of the amounts are probable.

INCOME TAXES. We account for income taxes under the asset and liability method. Deferred tax assets and liabilities are recognized for the future tax consequences attributable to differences between the financial statement carrying amounts of assets and liabilities and their respective tax basis. Deferred tax assets and liabilities are measured, separately for each tax-paying entity in each tax jurisdiction, using enacted tax rates expected to apply to taxable income in the years in which those temporary differences are expected to be recovered or settled. The effect on deferred tax assets and liabilities of a change in tax rates is recognized in the period that includes the enactment date.

When measuring deferred tax assets, we assess whether a valuation allowance should be established by evaluating both positive and negative factors. This evaluation requires that we exercise judgment in determining the relative significance of each factor. A valuation allowance is established if, based on the weight of available evidence, it is more likely than not that some portion or all of the deferred tax assets will not be realized. The assessment of valuation allowance requirements, if any, involves significant estimates regarding the timing and amount of reversal of taxable temporary differences, future taxable income and the implementation of tax planning strategies. We rely on deferred tax liabilities in our assessment of the realizability of deferred tax assets if the temporary timing difference is anticipated to reverse in the same period and jurisdiction and the deferred tax liabilities are of the same character as the temporary differences giving rise to the deferred tax assets. We weigh both positive and negative evidence in determining whether it is more likely than not that a valuation allowance is required. Greater weight is given to evidence which is objectively verifiable such as historical results. If we report a cumulative loss from continuing operations before income taxes for a three-year period, we do not rely on forecasted improvements in earnings to recover deferred tax assets.

We account for uncertain tax positions in accordance with an accounting standard which creates a single model to address uncertainty in income tax positions and prescribes the minimum recognition threshold a tax position is required to meet before being recognized in the financial statements. The standard also provides guidance on derecognition, measurement, classification, interest and penalties, accounting in interim periods, disclosure and transition. Under this standard, we may recognize tax benefits from an uncertain position only if it is more likely than not that the position will be sustained upon examination by taxing authorities based on the technical merits of the issue. The amount recognized is the largest benefit that we believe has greater than a 50% likelihood of being realized upon settlement. Actual income taxes paid may vary from estimates depending upon changes in income tax laws, actual results of operations and the final audit of tax returns by taxing authorities. Tax assessments may arise several years after tax returns have been filed.

PENSION BENEFITS. We sponsor four defined benefit pension plans in various forms for employees who meet eligibility requirements. Applicable accounting standards require that we make assumptions and use statistical variables in actuarial models to calculate our pension obligations and the related periodic pension expense. The most significant assumptions are the discount rate and the expected rate

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of return on plan assets. Additional assumptions include the future rate of compensation increases, which is based on historical plan data and assumptions on demographic factors such as retirement, mortality and turnover. Depending on the assumptions selected, pension expense could vary significantly and could have a material effect on reported earnings. The assumptions used can also materially affect the measurement of benefit obligations.

The discount rate is used to estimate the present value of projected future pension payments to all participants as of the balance sheet date and net periodic benefit plan costs in the subsequent fiscal year. The discount rate is generally based on the yield on AAA/AA-rated corporate long-term bonds. At September 30 of each year, the discount rate is determined using bond yield curve models matched with the timing of expected retirement plan payments. Our discount rate assumption was 5.31% as of September 30, 2013. Holding all other assumptions constant, a hypothetical increase or decrease of 25 basis points in the discount rate assumption would increase or decrease annual pension expense by approximately $551.

The expected long-term rate of return on plan assets represents the average rate of earnings expected on the plan funds invested in a specific target asset allocation. The expected long-term rate of return assumption on pension plan assets was 8.00% in Fiscal 2013. Holding all other assumptions constant, a hypothetical 25 basis point increase or decrease in the assumed long-term rate of return would increase or decrease annual pension expense by approximately $137.

RECENTLY ISSUED OR ADOPTED ACCOUNTING STANDARDS. In June 2011, the Financial Accounting Standards Board (“FASB”) issued Accounting Standards Update (“ASU”) No. 2011-05, which amends Topic 220, Comprehensive Income. The amendment allows an entity to present the total of comprehensive income, the components of net income, and the components of other comprehensive income either in a single continuous statement of comprehensive income or in two separate but consecutive statements, and eliminates the option to present the components of other comprehensive income as part of the statement of changes in stockholders’ equity. The amendments do not change the items that must be reported in other comprehensive income or when an item of other comprehensive income must be reclassified to net income. This standard was effective for us beginning on October 1, 2012. This standard changes presentation requirements, and accordingly, the adoption of this standard did not have an impact on our results of operations, financial position or cash flows.

In February 2013, the FASB issued ASU No. 2013-2, which amends the Comprehensive Income Topic of the Accounting Standards Codification (ASC). The updated standard requires the presentation of information about reclassifications out of accumulated other comprehensive income. ASU No. 2013-2 is effective for us beginning October 1, 2013. The updated standard will affect our disclosures but has no impact on our results of operations, financial condition or liquidity.

In July 2013, the FASB issued ASU No. 2013-10, Derivatives and Hedging (ASU Topic 815) – Inclusion of the Fed Funds Effective Swap Rate (or Overnight Index Swap Rate) as a Benchmark Interest Rate for Hedge Accounting Purposes. The amendments in this update permit the Fed Funds Effective Swap Rate (OIS) to be used as a U.S. benchmark interest rate for hedge accounting purposes under ASC Topic 815, in addition to U.S. Treasury (“UST”) and London Interbank Offered Rate (“LIBOR”). The amendments also remove the restriction on using different benchmark rates for similar hedges. The amendments are effective prospectively for qualifying new or redesignated hedging relationships entered into on or after July 17, 2013. We have not entered into any new hedging relationships since July 17, 2013.

In July 2013, the FASB issued ASU No. 2013-11, Income Taxes (Topic 740): Presentation of an Unrecognized Tax Benefit When a Net Operating Loss Carryforward, a Similar Tax Loss, or a Tax Credit Carryforward Exists. This new standard requires the netting of unrecognized tax benefits against a deferred tax asset for a loss or other carryforward that would apply in settlement of the uncertain tax positions. Under the new standard, unrecognized tax benefits will be netted against all available same-jurisdiction loss or other tax carryforwards that would be utilized, rather than only against carryforwards that are created by the unrecognized tax benefits. We do not expect that the new standard will have a material impact on our condensed consolidated financial statements.

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Item 7A. Quantitative and Qualitative Disclosures about Market Risk

We have limited exposure to market risk. Currently, we do not engage in financial transactions for trading or speculative purposes.

Interest Rate Risk. Our principal interest rate exposure relates to outstanding amounts under our Credit Facilities. We manage our exposure to changes in interest rates through the use of interest rate swap agreements.

As of September 30, 2013, we had variable-rate borrowings under the Term Loan component of our Credit Facility in the amount of $55,500 maturing through October 2017. The interest rate on this borrowing varies with changes in the LIBOR rate. In addition, we are counterparty to an interest rate swap agreement with a notional amount and maturities that are matched 100% with the outstanding principal and maturity schedule for the Term Loan. Because we have hedged 100% of our outstanding variable-rate debt, our interest rate and related cash interest expense is effectively fixed at 3.025% annually.

At September 30, 2013, we had no amount outstanding under our Revolving Facility. The interest payable on our Revolving Facility is based on variable interest rates and, therefore, to the extent we draw down on such facility in the future, it could be affected by changes in market interest rates.

Foreign Currency Exchange Rate Risk. Although we do have a significant amount of export sales, these transactions have been settled substantially in U.S. dollars and, therefore, we believe we have only minimal exposure at present to foreign currency exchange risks. Historically, we have not hedged our currency risk and do not currently anticipate doing so in the future. However, it is possible that in the future a growing number of our export sales could be made in currencies other than the U.S. dollar. Consequently, fluctuations in the rates of exchange between the U.S. dollar and other currencies may subject us to foreign currency exchange risks in the future.

Item 8. Financial Statements and Supplementary Data

Financial statements called for hereunder are included herein on the following pages:

	Page
Report of Independent Registered Public Accounting Firm		F-1
Consolidated Balance Sheets		F-2
Consolidated Statements of Operations		F-3
Consolidated Statements of Comprehensive Income (Loss)		F-4
Consolidated Statements of Changes in Stockholders’ Equity		F-5
Consolidated Statements of Cash Flows		F-6
Notes to Consolidated Financial Statements		F-8

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SUMMARIZED QUARTERLY FINANCIAL DATA

(unaudited)

(amounts in thousands except per share amounts)

	Quarters For Fiscal Year 2013
	1st		2nd		3rd		4th		Total
Revenues	$	36,318	$	50,044	$	69,519	$	59,204	$	215,085
Gross Profit		15,412		15,894		25,206		30,442		86,954
Net Income (Loss)		1,155		2,732		8,388		10,957		23,232
Basic Earnings (Loss) Per Share	$	0.15	$	0.35	$	1.07	$	1.39	$	2.99
Diluted Earnings (Loss) Per Share	$	0.15	$	0.34	$	1.03	$	1.33	$	2.87
	Quarters For Fiscal Year 2012 (a)
	1st		2nd		3rd		4th		Total
Revenues	$	38,485	$	39,918	$	57,623	$	49,601	$	185,627
Gross Profit		12,230		13,618		20,887		19,415		66,150
Net Income		151		1,055		4,705		19,408		25,319
Basic Earnings Per Share	$	0.02	$	0.14	$	0.62	$	2.56	$	3.35
Diluted Earnings Per Share	$	0.02	$	0.14	$	0.61	$	2.50	$	3.30

As discussed in Note 13 to our consolidated financial statements included in Item 8 of this report, in May 2012, our board of directors approved and we committed to a plan to sell our Aerospace Equipment segment, which is comprised of Ampac-ISP Corp. and its wholly-owned foreign subsidiaries (“AMPAC-ISP”). We completed the sale of substantially all of the assets of AMPAC-ISP effective August 1, 2012. Revenues and expenses associated with the Aerospace Equipment segment operations are presented as discontinued operations for all periods presented.

As discussed in Note 4 to our consolidated financial statements included in Item 8 of this report, on September 10, 2012, we completed the redemption of $40,000 of the then outstanding principal amount of our 9% Senior Notes, using net cash proceeds from the sale of AMPAC-ISP and available cash balances. On October 26, 2012, we completed our refinancing activities by entering into an $85,000 Credit Facility, comprised of a $60,000 Term Loan and a $25,000 undrawn Revolving Facility. The proceeds from the Term Loan and available cash were used to redeem the then remaining outstanding principal on our 9% Senior Notes in the amount of $65,000.

Item 9. Changes in and Disagreements with Accountants on Accounting and Financial Disclosure

None.

Item 9A. Controls and Procedures

DISCLOSURE CONTROLS AND PROCEDURES. The Company’s management evaluated, with the participation of the Company’s principal executive and principal financial officers, the effectiveness of the Company’s disclosure controls and procedures (as defined in Rules 13a-15(e) and 15d-15(e) under the Securities Exchange Act of 1934) as of September 30, 2013. Based on their evaluation, our principal executive and principal financial officers have concluded that our disclosure controls and procedures were effective as of such date to ensure that information required to be disclosed by us in the reports that we file or submit under the Securities Exchange Act of 1934, as amended, is accumulated and communicated to our management, including our principal executive and principal financial officers, as appropriate to allow timely decisions regarding required disclosure, and is recorded, processed, summarized and reported within the time periods specified in the SEC’s rules and forms.

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CHANGES IN OUR INTERNAL CONTROL OVER FINANCIAL REPORTING. There were no changes in our internal control over financial reporting that occurred during the fiscal quarter ended September 30, 2013 that have materially affected, or are reasonably likely to materially affect, our internal control over financial reporting.

MANAGEMENT’S REPORT ON INTERNAL CONTROL OVER FINANCIAL REPORTING. Our management is responsible for establishing and maintaining adequate internal control over our financial reporting and the presentation of our issued financial statements. Internal control over financial reporting is a process to provide reasonable assurance regarding the reliability of our financial reporting and the preparation of our issued financial statements for external purposes in accordance with accounting principles generally accepted in the United States of America. Internal control over financial reporting includes policies and procedures that: (i) pertain to the maintenance of records that, in reasonable detail, accurately and fairly reflect the transactions and dispositions of the assets of the Company; (ii) provide reasonable assurance that transactions are recorded as necessary to permit preparation of financial statements in accordance with generally accepted accounting principles, and that receipts and expenditures of the Company are being made only in accordance with authorizations of management and directors of the Company; and (iii) provide reasonable assurance regarding prevention or timely detection of unauthorized acquisition, use or disposition of the Company’s assets that could have a material effect on the financial statements. Because of its inherent limitations, internal control over financial reporting is not intended to provide absolute assurance that a misstatement of our financial statements would be prevented or detected. Also, projections of any evaluation of the effectiveness of the internal control over financial reporting to future periods are subject to the risk that the controls may become inadequate because of changes in conditions, or that the degree of compliance with the policies or procedures may deteriorate.

Our management evaluated, with the participation of our principal executive and principal financial officers, the effectiveness of our internal control over financial reporting based on the framework in Internal Control—Integrated Framework (1992) issued by the Committee of Sponsoring Organizations of the Treadway Commission. Based upon that evaluation, management concluded that the Company’s internal control over financial reporting was effective as of September 30, 2013.

BDO USA, LLP, the independent registered public accounting firm that audits the Company’s consolidated financial statements, has audited our internal control over financial reporting as stated in their report below.

REPORT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM

Board of Directors and Stockholders

American Pacific Corporation

Las Vegas, Nevada

We have audited American Pacific Corporation and subsidiaries’ (the “Company”) internal control over financial reporting as of September 30, 2013, based on criteria established in Internal Control – Integrated Framework (1992) issued by the Committee of Sponsoring Organizations of the Treadway Commission (the COSO criteria). American Pacific Corporation and subsidiaries’ management is responsible for maintaining effective internal control over financial reporting and for its assessment of the effectiveness of internal control over financial reporting, included in the accompanying Item 9A, Management’s Report on Internal Control over Financial Reporting. Our responsibility is to express an opinion on the Company’s internal control over financial reporting based on our audit.

We conducted our audit in accordance with the standards of the Public Company Accounting Oversight Board (United States). Those standards require that we plan and perform the audit to obtain reasonable assurance about whether effective internal control over financial reporting was maintained in all material respects. Our audit included obtaining an understanding of internal control over financial reporting,

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assessing the risk that a material weakness exists, and testing and evaluating the design and operating effectiveness of internal control based on the assessed risk. Our audit also included performing such other procedures as we considered necessary in the circumstances. We believe that our audit provides a reasonable basis for our opinion.

A company’s internal control over financial reporting is a process designed to provide reasonable assurance regarding the reliability of financial reporting and the preparation of financial statements for external purposes in accordance with generally accepted accounting principles. A company’s internal control over financial reporting includes those policies and procedures that (1) pertain to the maintenance of records that, in reasonable detail, accurately and fairly reflect the transactions and dispositions of the assets of the company; (2) provide reasonable assurance that transactions are recorded as necessary to permit preparation of financial statements in accordance with generally accepted accounting principles, and that receipts and expenditures of the company are being made only in accordance with authorizations of management and directors of the company; and (3) provide reasonable assurance regarding prevention or timely detection of unauthorized acquisition, use or disposition of the company’s assets that could have a material effect on the financial statements.

Because of its inherent limitations, internal control over financial reporting may not prevent or detect misstatements. Also, projections of any evaluation of effectiveness to future periods are subject to the risk that controls may become inadequate because of changes in conditions, or that the degree of compliance with the policies or procedures may deteriorate.

In our opinion, American Pacific Corporation and subsidiaries maintained, in all material respects, effective internal control over financial reporting as of September 30, 2013, based on the COSO criteria.

We also have audited, in accordance with the standards of the Public Company Accounting Oversight Board (United States), the consolidated balance sheets of American Pacific Corporation and subsidiaries as of September 30, 2013 and 2012, and the related consolidated statements of operations, comprehensive income (loss), changes in stockholders’ equity, and cash flows for each of the three years in the period ended September 30, 2013 and our report dated December 12, 2013 expressed an unqualified opinion thereon.

/s/ BDO USA, LLP

Las Vegas, Nevada

December 12, 2013

Item 9B. Other Information

Not applicable.

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PART III

Item 10. Directors, Executive Officers and Corporate Governance

The information required by this item is incorporated herein by reference from the information provided under the sections entitled “Board Nominations,” “Board of Directors,” the “Audit Committee” subsection of the section entitled “Board of Directors’ Meetings and Committees and Governance Matters,” “Named Executive Officers,” “Section 16(a) Beneficial Ownership Reporting Compliance” and “Certain Relationships and Related Transactions” of our definitive proxy statement for the 2014 annual meeting of stockholders, to be filed with the SEC within 120 days after September 30, 2013.

Code of Ethics. We have adopted a code of ethics that applies to all of our directors and employees, including our principal executive officer, principal financial officer and principal accounting officer, entitled “Standards of Business Conduct” that is posted on our website at www.apfc.com on the “Corporate Governance” page of the “Investors” section. In addition, we will provide to any person without charge a copy of the Standards of Business Conduct upon written request to our Secretary at our principal executive offices at 3883 Howard Hughes Parkway, Suite 700, Las Vegas, Nevada 89169. In the event that we make any amendment to, or grant any waiver from, a provision of the Standards of Business Conduct that requires disclosure under applicable SEC rules and regulations and/or the rules of The NASDAQ Stock Market LLC, we will disclose such amendment or waiver and the reasons therefore as required by SEC rules and regulations and/or the rules of The NASDAQ Stock Market LLC on our website.

Item 11. Executive Compensation

The information required by this item is incorporated herein by reference from the information provided under the sections entitled “Director Compensation Determinations and Considerations,” “Director Compensation (Fiscal 2013),” “Executive Compensation,” “Compensation Committee Interlocks and Insider Participation” and “Compensation Committee Report” of our definitive proxy statement for the 2014 annual meeting of stockholders, to be filed with the SEC within 120 days after September 30, 2013.

Item 12. Security Ownership of Certain Beneficial Owners and Management and Related Stockholder Matters

The information required by this item is incorporated herein by reference from the information provided under the sections entitled “Equity Compensation Plans” and “Ownership of Certain Beneficial Owners and Management” of our definitive proxy statement for the 2014 annual meeting of stockholders, to be filed with the SEC within 120 days after September 30, 2013.

Item 13. Certain Relationships and Related Transactions, and Director Independence

The information required by this item is incorporated herein by reference from the information provided under the sections entitled “Director Meetings and Independence” and “Certain Relationships and Related Transactions” of our definitive proxy statement for the 2014 annual meeting of stockholders, to be filed with the SEC within 120 days after September 30, 2013.

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Item 14. Principal Accountant Fees and Services

The information required by this item is incorporated herein by reference from the information provided under the sections entitled “Audit and Non-Audit Fees” and “Policy on Audit Committee Pre-Approval of Audit and Non-Audit Services of Independent Registered Public Accounting Firm” of our definitive proxy statement for the 2014 annual meeting of stockholders, to be filed with the SEC within 120 days after September 30, 2013.

PART IV

Item 15. Exhibits and Financial Statement Schedules

(a) (1) Financial Statements

See Part II, Item 8 of the report for an index to the registrant’s financial statements.

(2) Financial Statement Schedules

None applicable.

(3) Exhibits

The following exhibits are filed as part of, or incorporated by reference into, this report (reference to an exhibit number is to the number assigned to the exhibit pursuant to Item 601 of Regulation S-K):

Exhibit Number	Description
2.1	Asset Purchase Agreement, dated June 4, 2012, by and among Moog Inc., Ampac-ISP Corp., and American Pacific Corporation (incorporated by reference to Exhibit 2.1 to the registrant’s Current Report on Form 8-K (File No. 001-08137) filed by the registrant with the Securities and Exchange Commission on June 6, 2012).
3.1	Restated Certificate of Incorporation, as amended, of American Pacific Corporation (incorporated by reference to Exhibit 4.(a) to the registrant’s Registration Statement on Form S-3 (File No. 33-15674)).
3.2	Articles of Amendment to the Restated Certificate of Incorporation of American Pacific Corporation, as filed with the Secretary of State, State of Delaware, on October 7, 1991 (incorporated by reference to Exhibit 4.3 to the registrant’s Registration Statement on Form S-3 (File No. 33-52196)).
3.3	Articles of Amendment to the Restated Certificate of Incorporation of American Pacific Corporation, as filed with the Secretary of State, State of Delaware, on April 21, 1992 (incorporated by reference to Exhibit 4.4 to the registrant’s Registration Statement on Form S-3 (File No. 33-52196)).
3.4	Certificate of Amendment of Restated Certificate of Incorporation of American Pacific Corporation, as filed with the Secretary of State, State of Delaware, on March 8, 2011 (incorporated by reference to Exhibit 3.1 to the registrant’s Current Report on Form 8-K (File No. 001-08137) filed by the registrant with the Securities and Exchange Commission on March 11, 2011).

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3.5	American Pacific Corporation Amended and Restated By-laws (incorporated by reference to Exhibit 3.2 to the registrant’s Current Report on Form 8-K (File No. 001-08137) filed by the registrant with the Securities and Exchange Commission on March 11, 2011).
3.6	Rights Agreement, dated as of August 3, 1999, between American Pacific Corporation and American Stock Transfer & Trust Company (incorporated by reference to Exhibit 1 to the registrant’s Registration Statement on Form 8-A (File No. 001-08137) filed by the registrant with the Securities and Exchange Commission on August 6, 1999).
3.7	Form of Letter to Stockholders that accompanied copies of the Summary of Rights to Purchase Preferred Shares (incorporated by reference to Exhibit 2 to the registrant’s Registration Statement on Form 8-A (File No. 001-08137) filed by the registrant with the Securities and Exchange Commission on August 6, 1999).
3.8	Amendment, dated as of July 11, 2008, between American Pacific Corporation and American Stock Transfer & Trust Company (incorporated by reference to Exhibit 4.1 to the registrant’s Current Report on Form 8-K (File No. 001-08137) filed by the registrant with the Securities and Exchange Commission on July 11, 2008).
3.9	Amendment No. 2 to Rights Agreement, dated as of September 14, 2010, between American Pacific Corporation and American Stock Transfer & Trust Company (incorporated by reference to Exhibit 4.1 to the registrant’s Current Report on Form 8-K (File No. 001-08137) filed by the registrant with the Securities and Exchange Commission on September 20, 2010).
10.1+	Employment Agreement, effective October 15, 2006, between American Pacific Corporation and Joseph Carleone, as amended and restated on November 14, 2008 (incorporated by reference to Exhibit 10.1 to the registrant’s Annual Report on Form 10-K (File No. 001-08137) for the fiscal year ended September 30, 2008).
10.2+	Ampac Fine Chemicals LLC Severance Pay Plan (incorporated by reference to Exhibit 10.1 to the registrant’s Quarterly Report on Form 10-Q (File No. 001-08137) for the fiscal quarter ended March 31, 2007).
10.3+	Form of Indemnification Agreement between American Pacific Corporation and each Director of American Pacific Corporation (incorporated by reference to Exhibit 3.6 to the registrant’s Annual Report on Form 10-K (File No. 001-08137) for the fiscal year ended September 30, 2000).
10.4+	Amended and Restated American Pacific Corporation Defined Benefit Pension Plan, as Amended and Restated Effective October 1, 2008, executed by American Pacific Corporation on June 12, 2009 (incorporated by reference to Exhibit 10.1 to the registrant’s Quarterly Report on Form 10-Q (File No. 001-08137) for the fiscal quarter ended June 30, 2009).
10.5+	American Pacific Corporation Supplemental Executive Retirement Plan, amended and restated and effective on and after October 1, 2007 (incorporated by reference to Exhibit 10.1 to the registrant’s Current Report on Form 8-K (File No. 001-08137) filed by the registrant with the Securities and Exchange Commission on November 15, 2007).
10.6+	Trust Agreement for American Pacific Corporation Supplemental Executive Retirement Plan (incorporated by reference to Exhibit 10.6 to the registrant’s Annual Report on Form 10-K (File No. 001-08137) for the fiscal year ended September 30, 1999).
10.7	Ground Lease, dated as of November 30, 2005, by and between Aerojet-General Corporation and Ampac Fine Chemicals LLC (incorporated by reference to Exhibit 10.5 to the registrant’s Current Report on Form 8-K (File No. 001-08137) filed by the registrant with the Securities and Exchange Commission on December 1, 2005).

65

10.8+	Ampac Fine Chemicals LLC Pension Plan for Bargaining Unit Employees, as Amended and Restated Effective October 1, 2007, executed by American Pacific Corporation on June 12, 2009 (incorporated by reference to Exhibit 10.2 to the registrant’s Quarterly Report on Form 10-Q (File No. 001-08137) for the fiscal quarter ended June 30, 2009).
10.9+	Ampac Fine Chemicals LLC Pension Plan for Salaried Employees, as Amended and Restated Effective October 1, 2007, executed by American Pacific Corporation on June 12, 2009 (incorporated by reference to Exhibit 10.3 to the registrant’s Quarterly Report on Form 10-Q (File No. 001-08137) for the fiscal quarter ended June 30, 2009).
10.10+	American Pacific Corporation Amended and Restated 2001 Stock Option Plan (incorporated by reference to Exhibit 4.1 to the registrant’s Registration Statement on Form S-8 (File No. 333-104732) filed by the registrant with the Securities and Exchange Commission on April 24, 2003).
10.11+	Form of Option Agreement under the American Pacific Corporation Amended and Restated 2001 Stock Option Plan (incorporated by reference to Exhibit 4.3 to the registrant’s Registration Statement on Form S-8 (File No. 333-104732) filed by the registrant with the Securities and Exchange Commission on April 24, 2003).
10.12+	American Pacific Corporation 2002 Directors Stock Option Plan, as amended and restated (incorporated by reference to Exhibit 99.1 to the registrant’s Current Report on Form 8-K (File No. 001-08137) filed by the registrant with the Securities and Exchange Commission on October 25, 2005).
10.13+	Form of Option Agreement under the American Pacific Corporation 2002 Directors Stock Option Plan (incorporated by reference to Exhibit 4.4 to the registrant’s Registration Statement on Form S-8 (File No. 333-104732) filed by the registrant with the Securities and Exchange Commission on April 24, 2003).
10.14+	American Pacific Corporation Amended and Restated 2008 Stock Incentive Plan (incorporated by reference to Exhibit 10.1 to the registrant’s Current Report on Form 8-K (File No. 001-08137) filed by the registrant with the Securities and Exchange Commission on March 11, 2011).
10.15+	Form of Notice of Stock Option Award and Stock Option Award Agreement under the American Pacific Corporation 2008 Stock Incentive Plan (incorporated by reference to Exhibit 10.2 to the registrant’s Current Report on Form 8-K (File No. 001-08137) filed by the registrant with the Securities and Exchange Commission on March 17, 2008).
10.16+	Form of Notice of Restricted Stock Bonus Award and Restricted Stock Bonus Award Agreement under the American Pacific Corporation 2008 Stock Incentive Plan (incorporated by reference to Exhibit 10.3 to the registrant’s Current Report on Form 8-K (File No. 001-08137) filed by the registrant with the Securities and Exchange Commission on March 17, 2008).
10.17+	American Pacific Corporation Incentive Compensation Plan (incorporated by reference to Exhibit 10.4 to the registrant’s Current Report on Form 8-K (File No. 001-08137) filed by the registrant with the Securities and Exchange Commission on March 17, 2008).
10.18+	Severance Agreement, dated as of July 8, 2008, between American Pacific Corporation and Linda G. Ferguson (incorporated by reference to Exhibit 10.1 to the registrant’s Current Report on Form 8-K (File No. 001-08137) filed by the registrant with the Securities and Exchange Commission on July 11, 2008).
10.19+	Severance Agreement, dated as of July 8, 2008, between American Pacific Corporation and Dana M. Kelley (incorporated by reference to Exhibit 10.2 to the registrant’s Current Report on Form 8-K (File No. 001-08137) filed by the registrant with the Securities and Exchange Commission on July 11, 2008).

66

10.20+	First Amendment to American Pacific Corporation Defined Benefit Pension Plan, executed by American Pacific Corporation on June 28, 2010 (incorporated by reference to Exhibit 10.1 to the registrant’s Quarterly Report on Form 10-Q (File No. 001-08137) for the fiscal quarter ended June 30, 2010).
10.21+	First Amendment to Ampac Fine Chemicals LLC Pension Plan for Salaried Employees, executed by American Pacific Corporation on June 28, 2010 (incorporated by reference to Exhibit 10.2 to the registrant’s Quarterly Report on Form 10-Q (File No. 001-08137) for the fiscal quarter ended June 30, 2010).
10.22+	First Amendment to Ampac Fine Chemicals LLC Pension Plan for Bargaining Unit Employees, executed by American Pacific Corporation on June 28, 2010 (incorporated by reference to Exhibit 10.3 to the registrant’s Quarterly Report on Form 10-Q (File No. 001-08137) for the fiscal quarter ended June 30, 2010).
10.23+	Second Amendment to Ampac Fine Chemicals LLC Pension Plan for Bargaining Unit Employees, executed by American Pacific Corporation on July 15, 2010 (incorporated by reference to Exhibit 10.4 to the registrant’s Quarterly Report on Form 10-Q (File No. 001-08137) for the fiscal quarter ended June 30, 2010).
10.24	Settlement Agreement, dated as of December 14, 2010, by and among American Pacific Corporation, Golconda Capital Portfolio, L.P., Golconda Capital Management, LLC and William D. Summitt (incorporated by reference to Exhibit 10.1 to the registrant’s Current Report on Form 8-K (File No. 001-08137) filed by the registrant with the Securities and Exchange Commission on December 15, 2010).
10.25+*	Second Amendment to American Pacific Corporation Defined Benefit Pension Plan, executed by American Pacific Corporation on January 27, 2011.
10.26	Credit Agreement, dated as of October 26, 2012, by and among American Pacific Corporation, a Delaware corporation, the lenders from time to time party thereto, and KeyBank, National Association, as administrative agent, the swing line lender and as an issuer of letters of credit (incorporated by reference to Exhibit 10.1 to the registrant’s Current Report on Form 8-K (File No. 001-08137) filed by the registrant with the Securities and Exchange Commission on October 31, 2012).
10.27+*	Third Amendment to American Pacific Corporation Defined Benefit Pension Plan, executed by American Pacific Corporation on November 30, 2012.
10.28+*	Form of Notice of Restricted Stock Unit (Performance Unit) Award and Restricted Stock Unit (Performance Unit) Award Agreement under the American Pacific Corporation 2008 Stock Incentive Plan.
10.29	Settlement Agreement, dated January 14, 2013, by and among Cornwall Master LP, Cornwall Capital Management LP, Cornwall GP, LLC, CMGP LLC, and James Mai and American Pacific Corporation (incorporated by reference to Exhibit 10.1 to the registrant’s Current Report on Form 8-K (File No. 001-08137) filed by the registrant with the Securities and Exchange Commission on January 15, 2013).
10.30+	Severance Agreement, dated as of May 7, 2013, between American Pacific Corporation and Aslam Malik (incorporated by reference to Exhibit 10.2 to the registrant’s Quarterly Report on Form 10-Q (File No. 001-08137) for the fiscal quarter ended March 31, 2013).
10.31+*	Severance Agreement, dated as of May 7, 2013, between American Pacific Corporation and Dave A. Thayer.

67

10.32+*	Third Amendment to Ampac Fine Chemicals LLC Pension Plan for Bargaining Unit Employees executed by American Pacific Corporation on July 1, 2013.
10.33+*	Consulting Agreement, dated November 14, 2013, by and between American Pacific Corporation and Discovery Partners International LLC.
*21	Subsidiaries of the registrant.
*23	Consent of Independent Registered Public Accounting Firm (BDO USA, LLP).
*31.1	Certification of Principal Executive Officer pursuant to Section 302 of the Sarbanes-Oxley Act of 2002.
*31.2	Certification of Principal Financial Officer pursuant to Section 302 of the Sarbanes-Oxley Act of 2002.
*32.1	Certification of Chief Executive Officer pursuant to Section 906 of the Sarbanes-Oxley Act of 2002.
*32.2	Certification of Chief Financial Officer pursuant to Section 906 of the Sarbanes-Oxley Act of 2002.
*101	The following materials from the registrant’s Annual Report on Form 10-K for the fiscal year ended September 30, 2013, formatted in Extensible Business Reporting Language (XBRL), include: (i) the Consolidated Balance Sheets, (ii) the Consolidated Statements of Operations, (iii) the Consolidated Statements of Comprehensive Income (Loss), (iv) the Consolidated Statements of Changes in Stockholders’ Equity, (v) the Consolidated Statements of Cash Flows, and (vi) Notes to Consolidated Financial Statements.

* Filed or furnished herewith, as applicable.

+ Management contract or compensatory plan or arrangement.

(b) See (a)(3) above.

(c) None applicable.

68

SIGNATURES

Pursuant to the requirements of Section 13 or 15(d) of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned, thereunto duly authorized.

Date: December 12, 2013	AMERICAN PACIFIC CORPORATION                     (Registrant)
	By:	/s/   JOSEPH CARLEONE
		Joseph Carleone
		Chairman of the Board, President and Chief Executive Officer (Principal Executive Officer)

By:	/s/   DANA M. KELLEY
	Dana M. Kelley
	Vice President, Chief Financial Officer, and Treasurer (Principal Financial and Accounting Officer)

69

Pursuant to the requirements of the Securities Exchange Act of 1934, this report has been signed below by the following persons on behalf of the registrant and in the capacities and on the dates indicated.

/s/   JOSEPH CARLEONE	Date:    December 12, 2013
Joseph Carleone, Chairman of the Board, President and Chief Executive Officer (Principal Executive Officer)
/s/   DANA M. KELLEY	Date:    December 12, 2013
Dana M. Kelley, Vice President,
Chief Financial Officer, and Treasurer
(Principal Financial and Accounting Officer)
/s/   JOHN R. GIBSON	Date:    December 12, 2013
John R. Gibson, Director
/s/   BARBARA SMITH CAMPBELL	Date:    December 12, 2013
Barbara Smith Campbell, Director
/s/   IAN HAFT	Date:    December 12, 2013
Ian Haft, Director
/s/   JAN H. LOEB	Date:    December 12, 2013
Jan H. Loeb, Director
/s/   BERLYN D. MILLER	Date:    December 12, 2013
Berlyn D. Miller, Director
/s/   WILLIAM F. READDY	Date:    December 12, 2013
William F. Readdy, Director
/s/   C. KEITH ROOKER	Date:    December 12, 2013
C. Keith Rooker, Director
/s/   CHARLOTTE E. SIBLEY	Date:    December 12, 2013
Charlotte E. Sibley, Director
/s/   BART WEINER	Date:    December 12, 2013
Bart Weiner, Director

70

Report of Independent Registered Public Accounting Firm

Board of Directors and Stockholders

American Pacific Corporation

Las Vegas, Nevada

We have audited the accompanying consolidated balance sheets of American Pacific Corporation and subsidiaries (the “Company”) as of September 30, 2013 and 2012 and the related consolidated statements of operations, comprehensive income (loss), changes in stockholders’ equity, and cash flows for each of the three years in the period ended September 30, 2013. These financial statements are the responsibility of the Company’s management. Our responsibility is to express an opinion on these financial statements based on our audits.

We conducted our audits in accordance with the standards of the Public Company Accounting Oversight Board (United States). Those standards require that we plan and perform the audit to obtain reasonable assurance about whether the financial statements are free of material misstatement. An audit includes examining, on a test basis, evidence supporting the amounts and disclosures in the financial statements, assessing the accounting principles used and significant estimates made by management, as well as evaluating the overall financial statement presentation. We believe that our audits provide a reasonable basis for our opinion.

In our opinion, the consolidated financial statements referred to above present fairly, in all material respects, the financial position of American Pacific Corporation at September 30, 2013 and 2012, and the results of its operations and its cash flows for each of the three years in the period ended September 30, 2013, in conformity with accounting principles generally accepted in the United States of America.

We also have audited, in accordance with the standards of the Public Company Accounting Oversight Board (United States), American Pacific Corporation and subsidiaries’ internal control over financial reporting as of September 30, 2013, based on criteria established in Internal Control – Integrated Framework (1992) issued by the Committee of Sponsoring Organizations of the Treadway Commission (COSO) and our report dated December 12, 2013 expressed an unqualified opinion thereon.

/s/ BDO USA, LLP

Las Vegas, Nevada

December 12, 2013

F-1

AMERICAN PACIFIC CORPORATION

Consolidated Balance Sheets

September 30, 2013 and 2012

(Dollars in Thousands, Except per Share Amounts)

	2013			2012
ASSETS
Current Assets:
Cash and Cash Equivalents	$	60,864		$	31,182
Accounts Receivable, Net		21,309			24,211
Inventories		59,572			44,157
Prepaid Expenses and Other Assets		1,541			1,477
Income Taxes Receivable		1,567			2
Deferred Income Taxes		16,214			13,028
Total Current Assets		161,067			114,057
Property, Plant and Equipment, Net		103,847			103,316
Deferred Income Taxes		6,446			20,796
Other Assets		5,947			8,295
TOTAL ASSETS	$	277,307		$	246,464
LIABILITIES AND STOCKHOLDERS’ EQUITY
Current Liabilities:
Accounts Payable	$	13,501		$	12,006
Accrued Liabilities		5,453			6,359
Accrued Interest		7			988
Employee Related Liabilities		11,325			10,568
Income Taxes Payable		629			2,098
Customer Deposits		26,936			5,078
Deferred Revenues		8,677			2,215
Current Portion of Environmental Remediation Reserves		2,244			5,114
Current Portion of Long-Term Debt		6,002			16
Total Current Liabilities		74,774			44,442
Long-Term Debt		49,500			65,004
Environmental Remediation Reserves		9,703			11,640
Pension Obligations		29,899			55,300
Other Long-Term Liabilities		2,094			1,745
Total Liabilities		165,970			178,131
Commitments and Contingencies
Stockholders’ Equity
Preferred Stock – $1.00 par value; 3,000,000 authorized; none outstanding		-			-
Common Stock – $0.10 par value; 20,000,000 shares authorized, 7,949,000 and 7,710,783 issued and outstanding		795			771
Capital in Excess of Par Value		77,966			74,796
Retained Earnings		48,035			24,803
Accumulated Other Comprehensive Loss		(15,459	)		(32,037	)
Total Stockholders’ Equity		111,337			68,333
TOTAL LIABILITIES AND STOCKHOLDERS’ EQUITY	$	277,307		$	246,464

See Notes to Consolidated Financial Statements

F-2

AMERICAN PACIFIC CORPORATION

Consolidated Statements of Operations

For the Years Ended September 30, 2013, 2012 and 2011

(Dollars in Thousands, Except per Share Amounts)

	2013		2012			2011
Revenues	$	215,085	$	185,627		$	160,714
Cost of Revenues		128,131		119,477			113,863
Gross Profit		86,954		66,150			46,851
Operating Expenses		45,865		39,066			35,895
Environmental Remediation Charges		-		700			6,000
Other Operating Gains		-		1,714			2,929
Operating Income		41,089		28,098			7,885
Interest and Other Income		118		38			235
Interest Expense		2,996		10,173			10,514
Loss on Debt Extinguishment		2,835		1,397			-
Income (Loss) from Continuing Operations before Income Tax		35,376		16,566			(2,394	)
Income Tax Expense (Benefit)		12,243		(3,766	)		6,985
Income (Loss) from Continuing Operations		23,133		20,332			(9,379	)
Income from Discontinued Operations, Net of Tax		99		4,987			2,143
Net Income (Loss)	$	23,232	$	25,319		$	(7,236	)
Basic Earnings (Loss) Per Share:
Income (Loss) from Continuing Operations	$	2.98	$	2.69		$	(1.25	)
Income from Discontinued Operations, Net of Tax	$	0.01	$	0.66		$	0.29
Net Income (Loss)	$	2.99	$	3.35		$	(0.96	)
Diluted Earnings (Loss) Per Share:
Income (Loss) from Continuing Operations	$	2.86	$	2.65		$	(1.25	)
Income from Discontinued Operations, Net of Tax	$	0.01	$	0.65		$	0.29
Net Income (Loss)	$	2.87	$	3.30		$	(0.96	)
Weighted-Average Shares Outstanding:
Basic		7,772,000		7,554,000			7,517,000
Diluted		8,101,000		7,663,000			7,517,000

See Notes to Consolidated Financial Statements

F-3

AMERICAN PACIFIC CORPORATION

Consolidated Statements of Comprehensive Income (Loss)

For the Years Ended September 30, 2013, 2012 and 2011

(Dollars in Thousands)

	2013		2012			2011
Net Income (Loss)	$	23,232	$	25,319		$	(7,236	)
Other Comprehensive Income (Loss):
Cash Flow Hedge:
Change in fair value arising during period (net of income tax of $12, $0 and $0)		19		-			-
Less reclassifications to net income (net of income tax of $86, $0, and $0)		139		-			-
		158		-			-
Defined Benefit Pension Plans:
Actuarial gains (losses) arising during period (net of income tax of $8,466, $6,924 and $923)		13,668		(10,386	)		(8,364	)
Less amortization of losses to net income (net of tax of $1,704, $1,213 and $894)		2,752		1,819			1,341
		16,420		(8,567	)		(7,023	)
Foreign currency translation adjustments		-		475			(14	)
Total Other Comprehensive Income (Loss)		16,578		(8,092	)		(7,037	)
Comprehensive Income (Loss)	$	39,810	$	17,227		$	(14,273	)

See Notes to Consolidated Financial Statements

F-4

AMERICAN PACIFIC CORPORATION

Consolidated Statements of Changes in Stockholders’ Equity

For the Years Ended September 30, 2013, 2012 and 2011

(Dollars in Thousands)

	Common
	Shares											Accumulated
	Outstanding,		Par				Retained					Other			Total
	Net of		Value of		Capital in		Earnings					Compre-			Stock-
	Treasury		Common		Excess of		(Accumulated			Treasury		hensive			holders’
	Shares		Stock		Par Value		Deficit)			Stock		Loss			Equity
BALANCES, September 30, 2010		7,543,091	$	754	$	73,091	$	6,720		$	-	$	(16,908	)	$	63,657
Comprehensive Loss								(7,236	)				(7,037	)		(14,273	)
Issuance of Common Stock, Net of Tax		16,500		2		17										19
Share-based Compensation						304										304
BALANCES, September 30, 2011		7,559,591		756		73,412		(516	)		-		(23,945	)		49,707
Comprehensive Income								25,319					(8,092	)		17,227
Issuance of Common Stock, Net of Tax		151,192		15		876										891
Share-based Compensation						508										508
BALANCES, September 30, 2012		7,710,783		771		74,796		24,803			-		(32,037	)		68,333
Comprehensive Income								23,232					16,578			39,810
Issuance of Common Stock, Net of Tax		238,217		24		2,583										2,607
Share-based Compensation						587										587
BALANCES, September 30, 2013		7,949,000	$	795	$	77,966	$	48,035		$	-	$	(15,459	)	$	111,337

See Notes to Consolidated Financial Statements

F-5

AMERICAN PACIFIC CORPORATION

Consolidated Statements of Cash Flows

For the Years Ended September 30, 2013, 2012 and 2011

(Dollars in Thousands)

	2013			2012			2011
Cash Flows from Operating Activities:
Net Income (Loss)	$	23,232		$	25,319		$	(7,236	)
Adjustments to Reconcile Net Income (Loss) to Net Cash Provided by Operating Activities:
Depreciation and amortization		13,453			14,491			15,216
Non-cash interest expense		320			747			845
Non-cash component of loss on debt retirement		1,252			482			-
Share-based compensation		587			508			304
Excess tax benefit from stock-based compensation		(826	)		(138	)		-
Deferred income taxes		1,722			(6,648	)		8,787
Loss on sale of assets		3			77			3
Gain on sale of business		-			(5,059	)		-
Changes in operating assets and liabilities:
Accounts receivable, net		2,863			129			10,824
Inventories		(15,220	)		(9,996	)		(1,126	)
Prepaid expenses and other current assets		(64	)		(299	)		44
Accounts payable		1,306			1,109			3,975
Income taxes		(3,034	)		2,252			2,636
Accrued liabilities		(1,204	)		1,456			(2,309	)
Accrued interest		(981	)		(601	)		14
Employee related liabilities		3,032			2,402			1,935
Customer deposits		21,858			(1,926	)		1,915
Deferred revenues		6,462			(1,487	)		(4,277	)
Environmental remediation reserves		(4,807	)		(9,419	)		2,303
Pension obligations, net		1,339			(2,841	)		(350	)
Other		1,098			35			(428	)
Discontinued operations, Net		(496	)		1,054			(12,332	)
Net Cash Provided by Operating Activities		51,895			11,647			20,743
Cash Flows from Investing Activities:
Capital expenditures		(13,916	)		(8,788	)		(11,931	)
Proceeds from sale of business, net of cash sold and expenses		-			37,418			-
Other investing activities		-			131			-
Discontinued operations, net		-			(751	)		(1,220	)
Net Cash Provided (Used) by Investing Activities		(13,916	)		28,010			(13,151	)
Cash Flows from Financing Activities:
Issuance of long-term debt		60,000			-			-
Payments of long-term debt		(69,518	)		(40,017	)		(14	)
Issuance of common stock		1,781			753			48
Excess tax benefit from stock-based compensation		826			138			-
Debt issuance costs		(1,386	)		-			(878	)
Discontinued operations, net		-			(45	)		(56	)
Net Cash Used by Financing Activities		(8,297	)		(39,171	)		(900	)
Effect of Changes in Currency Exchange Rates on Cash		-			(7	)		26
Net Change in Cash and Cash Equivalents		29,682			479			6,718
Cash and Cash Equivalents, Beginning of Year		31,182			30,703			23,985
Cash and Cash Equivalents, End of Year	$	60,864		$	31,182		$	30,703

See Notes to Consolidated Financial Statements

F-6

AMERICAN PACIFIC CORPORATION

Consolidated Statements of Cash Flows (Continued)

For the Years Ended September 30, 2013, 2012 and 2011

(Dollars in Thousands)

	2013		2012		2011
Cash Paid (Refunded) For:
Interest	$	5,240	$	10,942	$	9,662
Income taxes		14,998		136		(2,928	)
Non-Cash Investing and Financing Transactions:
Additions to Property, Plant and Equipment not yet paid		266		370		317

See Notes to Consolidated Financial Statements

F-7

AMERICAN PACIFIC CORPORATION

NOTES TO CONSOLIDATED FINANCIAL STATEMENTS

FOR THE YEARS ENDED SEPTEMBER 30, 2013, 2012 AND 2011

(Dollars in Thousands, Except Per Share Amounts)

1. SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES

Principles of Consolidation. Our consolidated financial statements include the accounts of American Pacific Corporation and our subsidiaries (the “Company,” “we,” “us” or “our”). All intercompany accounts have been eliminated. We report our results based on a fiscal year which ends on September 30. References to Fiscal years refer to the twelve months ended or ending September 30 of the Fiscal year referenced.

Discontinued Operations. In May 2012, our board of directors approved and we committed to a plan to sell our Aerospace Equipment segment, which is comprised of Ampac-ISP Corp. and its wholly-owned foreign subsidiaries (“AMPAC-ISP”). We completed the sale of substantially all of the assets of AMPAC-ISP effective August 1, 2012. The divestiture is a strategic shift that allows us to place more focus on the growth and performance of our pharmaceutical-related product lines. Revenues and expenses associated with the Aerospace Equipment segment operations are presented as discontinued operations for all periods presented. (See Note 13).

Use of Estimates. The preparation of financial statements in conformity with accounting principles generally accepted in the United States of America requires us to make estimates and assumptions that affect the reported amounts of assets and liabilities, disclosure of contingent assets and liabilities and the reported amounts of revenue and expenses. Judgments and assessments of uncertainties are required in applying our accounting policies in many areas. For example, key assumptions and estimates are particularly important when determining our projected liabilities for pension benefits, useful lives for depreciable and amortizable assets, and deferred tax assets. Other areas in which significant judgment exists include, but are not limited to, costs that may be incurred in connection with environmental matters and the resolution of litigation and other contingencies. Actual results may differ from estimates on which our consolidated financial statements were prepared.

Revenue Recognition. We recognize revenue when persuasive evidence of an arrangement exists, delivery has occurred or services have been rendered, title passes, the price is fixed or determinable and collectability is reasonably assured. Almost all products sold by our Fine Chemicals segment are subject to customer acceptance periods. Specifically, these customers have contractually negotiated acceptance periods from the time they receive certificates of analysis and compliance (“Certificates”) to reject the material based on issues with the quality of the product, as defined in the applicable agreement. At times we receive payment in advance of customer acceptance. If we receive payment in advance of customer acceptance, we record deferred revenues and deferred costs of revenue upon delivery of the product and recognize revenues in the period when the acceptance period lapses or the customer’s acceptance has occurred.

Some of our perchlorate and fine chemicals products customers have requested that we store materials purchased from us in our facilities (“Bill and Hold” transactions or arrangements). We recognize revenue prior to shipment of these Bill and Hold transactions when we have satisfied the applicable revenue recognition criteria, which include the point at which title and risk of ownership transfer to our customers. These customers have specifically requested in writing, pursuant to a contract, that we invoice for the finished product and hold the finished product until a later date. For our Bill and Hold arrangements that contain customer acceptance periods, we record deferred revenues and deferred costs of revenues when such products are available for delivery and Certificates have been delivered to the customers. We recognize revenue on our Bill and Hold transactions in the period when the acceptance period lapses or the customer’s acceptance has occurred. The sales value of inventory, subject to Bill and Hold arrangements, at our facilities was $9,517 and $19,346 as of September 30, 2013 and 2012, respectively.

F-8

1. SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (continued)

Customer Deposits. Customer deposits include upfront payments received from customers at the inception of an arrangement and progress or milestones payments that become collectable as work progresses on an arrangement. These amounts are recorded as current liabilities and applied against the total consideration for an arrangement upon completion of the deliverable.

Deferred Revenues. Deferred revenues include revenues associated with products that have been delivered under an arrangement but have not yet met all of the requisite revenue recognition requirements. Most commonly we defer revenue recognition on shipped product because the customer acceptance period (discussed above) has not lapsed. Deferred costs of revenues, which is a component of inventories, includes the cost of inventory that is directly associated with deferred revenues. Deferred revenues and deferred costs of revenues are recognized when all elements of the revenue recognition process have been met.

Environmental Remediation. We are subject to environmental regulations that relate to our past and current operations. We record liabilities for environmental remediation costs when our assessments indicate that remediation efforts are probable and the costs can be reasonably estimated. On a quarterly basis, we review our estimates of future costs that could be incurred for remediation activities. In some cases, only a range of reasonably possible costs can be estimated. In establishing our reserves, the most probable estimate is used; otherwise, we accrue the minimum amount of the range. Estimates of liabilities are based on currently available facts, existing technologies and presently enacted laws and regulations. These estimates are subject to revision in future periods based on actual costs or new circumstances. Accrued environmental remediation costs include the undiscounted cost of equipment, operating and maintenance costs, and fees to outside law firms and consultants, for the estimated duration of the remediation activity and do not include an assumption for inflation. Estimating environmental cost requires us to exercise substantial judgment regarding the cost, effectiveness and duration of our remediation activities. Actual future expenditures could differ materially from our current estimates.

We evaluate potential claims for recoveries from other parties separately from our estimated liabilities. We record an asset for expected recoveries when recoveries of the amounts are probable.

Related Party Transactions. Our related party transactions generally fall into the following categories: payments of professional fees to firms affiliated with certain members of our board of directors, and payments to certain directors for consulting services outside of the scope of their duties as directors. For the years ended September 30, 2013, 2012 and 2011, such transactions totaled approximately $120, $180 and $146, respectively.

Cash and Cash Equivalents. All highly liquid investment securities with a maturity of three months or less when acquired are considered to be cash equivalents. We maintain cash balances that exceed federally insured limits; however, we have incurred no losses on such accounts.

Fair Value Disclosures. The current authoritative guidance on fair value clarifies the definition of fair value, prescribes methods for measuring fair value, establishes a fair value hierarchy based on the inputs used to measure fair value and expands disclosures about the use of fair value measurements. The valuation techniques utilized are based upon observable and unobservable inputs. Observable inputs reflect market data obtained from independent sources, while unobservable inputs reflect internal market assumptions. These two types of inputs create the following fair value hierarchy:

Level 1 – Quoted prices for identical instruments in active markets.

Level 2 – Quoted prices for similar instruments in active markets; quoted prices for identical or similar instruments in markets that are not active; and model-derived valuations whose inputs are observable or whose significant value drivers are observable.

Level 3 – Significant inputs to the valuation model are unobservable.

F-9

1. SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (continued)

We estimate the fair value of cash and cash equivalents, accounts receivable, accounts payable and accrued liabilities approximate their carrying values due to their short-term nature. As of September 30, 2013, our floating-rate term loan had a carrying value of $55,500 and an estimated fair value of $55,898 (level 3 in the fair value hierarchy). Our interest rate swap agreement is recorded at fair value, which was an asset of $256 as of September 30, 2013 (level 2 in the fair value hierarchy). The estimated fair values of our floating-rate term loan and interest rate swap agreement are based on a valuation technique that takes into consideration expected cash flows, the then-current interest rates and the then-current creditworthiness of the Company or the counterparty, as applicable. Refer to Notes 4 and 5 for additional information regarding our term loan and interest rate swap agreement.

Derivative Instrument. We are party to an interest rate swap agreement for the purpose of hedging floating interest rate risk. The differential to be paid or received in connection with this instrument is accrued and recognized in income as an adjustment to interest expense. We formally document all relationships between hedging instruments and hedged items, as well as its risk management objectives and strategies for undertaking various hedging relationships. We assess hedge effectiveness at inception and on a quarterly basis. If it is determined that a derivative instrument is not highly effective or the transaction is no longer deemed probable of occurring, we discontinue hedge accounting and recognize the ineffective portion in current period earnings.

Concentration of Credit Risk. Financial instruments that have potential concentrations of credit risk include cash and cash equivalents and accounts receivable. We place our cash and cash equivalents with high quality credit institutions. Our accounts receivable have concentration risk because significant amounts relate to customers in the aerospace and defense or pharmaceutical industries. From time to time we make sales to a customer that exceed 10% of our then-outstanding accounts receivable balance. As of September 30, 2013, three Fine Chemicals segment customers and one Specialty Chemicals segment customer accounted for 14%, 12%, 10% and 15% of consolidated accounts receivable, respectively. As of September 30, 2012, two Fine Chemicals segment customers and one Specialty Chemicals segment customer accounted for 27%, 16% and 19% of consolidated accounts receivable, respectively.

Inventories. Inventories are stated at the lower of cost or market. Costs are removed from inventories using the average-cost method. Inventoried costs include materials, labor and manufacturing overhead. Inventoried costs also include certain overhead parts and supplies. General and administrative costs are expensed as incurred. Raw materials costs are determined on a moving average basis. We expense the cost of inventories which are considered to be excess because on-hand inventory quantities exceed our estimates of future demand.

Property, Plant and Equipment. Property, plant and equipment are carried at cost less accumulated depreciation. Depreciation is computed on the straight-line method over the estimated productive lives of the assets of three to 15 years for machinery and equipment and seven to 30 years for buildings and improvements. Leasehold improvements are depreciated over the shorter of the estimated productive life of seven to nine years or the term of the lease.

F-10

1. SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (continued)

Depreciation and Amortization Expense. Depreciation and amortization expense for continuing operations is classified as follows in our statements of operations as of September 30:

	2013		2012		2011
Classified as cost of revenues
Depreciation	$	13,154	$	13,305	$	13,062
Classified as operating expenses
Depreciation		299		395		459
Amortization		-		-		537
Total continuing operations		13,453		13,700		14,058
Classified as discontinued operations		-		791		1,158
Total	$	13,453	$	14,491	$	15,216

Amortization expense related to an intangible asset of our Fine Chemicals segment for customer relationships. This intangible asset became fully amortized as of May 2011.

Income Taxes. We account for income taxes under the asset and liability method. Deferred tax assets and liabilities are recognized for the future tax consequences attributable to differences between the financial statement carrying amounts of assets and liabilities and their respective tax basis. Deferred tax assets and liabilities are measured separately for each tax-paying entity in each tax jurisdiction, using enacted tax rates expected to apply to taxable income in the years in which those temporary differences are expected to be recovered or settled. The effect on deferred tax assets and liabilities of a change in tax rates is recognized in the period that includes the enactment date.

We account for uncertain tax positions in accordance with an accounting standard which creates a single model to address uncertainty in income tax positions and prescribes the minimum recognition threshold a tax position is required to meet before being recognized in the financial statements. Under this standard, we may recognize tax benefits from an uncertain position only if it is more likely than not that the position will be sustained upon examination by taxing authorities based on the technical merits of the issue. The amount recognized is the largest benefit that we believe has greater than a 50% likelihood of being realized upon settlement.

Impairment of Long-Lived Assets. We test our property, plant and equipment assets for recoverability when events or changes in circumstances indicate that their carrying amounts may not be recoverable. Examples of such circumstances include, but are not limited to, operating or cash flow losses from the use of such assets or changes in our intended uses of such assets. To test for recovery, we group assets (an “Asset Group”) in a manner that represents the lowest level for which identifiable cash flows are largely independent of the cash flows of other groups of assets and liabilities. Our Asset Groups are typically identified by facility because each facility has a unique cost overhead and general and administrative expense structure that is supported by cash flows from products produced at the facility. The carrying amount of an Asset Group is not recoverable if it exceeds the sum of the undiscounted cash flows expected to result from the use and eventual disposition of the Asset Group.

If we determine that an Asset Group is not recoverable, then we would record an impairment charge if the carrying value of the Asset Group exceeds its fair value. Fair value is based on estimated discounted future cash flows expected to be generated by the Asset Group. The assumptions underlying cash flow projections would represent management’s best estimates at the time of the impairment review. Some of the factors that management would consider or estimate include: industry and market conditions, sales volume and prices, costs to produce and inflation. Changes in key assumptions or actual conditions which differ from estimates could result in an impairment

F-11

1. SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (continued)

charge. We use reasonable and supportable assumptions when performing impairment reviews but cannot predict the occurrence of future events and circumstances that could result in impairment charges. There were no impairments of long-lived assets recorded in any of the years presented.

Earnings (Loss) Per Share. Basic earnings (loss) per share is calculated by dividing net income (loss) by the weighted average shares outstanding during the year. Diluted earnings (loss) per share is calculated by dividing net income (loss) by the weighted average shares outstanding plus the dilutive effect of common share equivalents, which is computed using the treasury stock method.

Foreign Currency. We sold our foreign subsidiaries in connection with the divestiture of AMPAC-ISP. We translated our foreign subsidiaries’ assets and liabilities into U.S. dollars using the year-end exchange rate. Revenue and expense amounts were translated at the average monthly exchange rate. Foreign currency translation gains or losses were reported as cumulative currency translation adjustments as a component of stockholders’ equity. Foreign currency transaction gains or losses are included in discontinued operations for all periods presented.

Recently Issued or Adopted Accounting Standards. In June 2011, the Financial Accounting Standards Board (“FASB”) issued Accounting Standards Update (“ASU”) No. 2011-05, which amends Topic 220, Comprehensive Income. The amendment allows an entity to present the total of comprehensive income, the components of net income, and the components of other comprehensive income either in a single continuous statement of comprehensive income or in two separate but consecutive statements, and eliminates the option to present the components of other comprehensive income as part of the statement of changes in stockholders’ equity. The amendments do not change the items that must be reported in other comprehensive income or when an item of other comprehensive income must be reclassified to net income. This standard was effective for us beginning on October 1, 2012. This standard changes presentation requirements, and accordingly, the adoption of this standard did not have an impact on our results of operations, financial position or cash flows.

In February 2013, the FASB issued ASU No. 2013-2, which amends the Comprehensive Income Topic of the Accounting Standards Codification (ASC). The updated standard requires the presentation of information about reclassifications out of accumulated other comprehensive income. ASU No. 2013-2 is effective for us beginning October 1, 2013. The updated standard will affect our disclosures but has no impact on our results of operations, financial condition or liquidity.

In July 2013, the FASB issued ASU No. 2013-10, Derivatives and Hedging (ASU Topic 815) – Inclusion of the Fed Funds Effective Swap Rate (or Overnight Index Swap Rate) as a Benchmark Interest Rate for Hedge Accounting Purposes. The amendments in this update permit the Fed Funds Effective Swap Rate (OIS) to be used as a U.S. benchmark interest rate for hedge accounting purposes under ASC Topic 815, in addition to U.S. Treasury (“UST”) and London Interbank Offered Rate (“LIBOR”). The amendments also remove the restriction on using different benchmark rates for similar hedges. The amendments are effective prospectively for qualifying new or redesignated hedging relationships entered into on or after July 17, 2013. We have not entered into any new hedging relationships since July 17, 2013.

In July 2013, the FASB issued ASU No. 2013-11, Income Taxes (Topic 740): Presentation of an Unrecognized Tax Benefit When a Net Operating Loss Carryforward, a Similar Tax Loss, or a Tax Credit Carryforward Exists. This new standard requires the netting of unrecognized tax benefits against a deferred tax asset for a loss or other carryforward that would apply in settlement of the uncertain tax positions. Under the new standard, unrecognized tax benefits will be netted against all available same-jurisdiction loss or other tax carryforwards that would be utilized, rather than only against carryforwards that are created by the unrecognized tax benefits. We do not expect that the new standard will have a material impact on our condensed consolidated financial statements.

F-12

2. SHARE-BASED COMPENSATION

We account for our share-based compensation arrangements under an accounting standard which requires us to measure the cost of employee services received in exchange for an award of equity instruments based on the grant date fair value of the award. The fair values of awards are recognized as additional compensation expense, which is classified as operating expenses, proportionately over the vesting period of the awards.

The purposes of our share-based compensation arrangements are to attract and retain the best available personnel, to provide additional incentives to employees, directors and consultants and to promote the success of the Company’s business. The amount, frequency, and terms of share-based awards may vary based on competitive practices, our operating results, government regulations and availability under our equity incentive plans. Depending on the form of the share-based award, new shares of our common stock may be issued upon grant, option exercise or vesting of the award. We maintain three share-based plans, each as discussed below.

The American Pacific Corporation Amended and Restated 2001 Stock Option Plan (the “2001 Plan”) permitted the granting of stock options to employees, officers, directors and consultants. Options granted under the 2001 Plan generally vested 50% at the grant date and 50% on the one-year anniversary of the grant date, and expire ten years from the date of grant. Under the terms of the 2001 Plan, no options may be granted on or after January 16, 2011, but options previously granted may extend beyond that date based on the terms of the relevant grant. This plan was approved by our stockholders.

The American Pacific Corporation 2002 Directors Stock Option Plan, as amended and restated (the “2002 Directors Plan”) compensates non-employee directors with stock options granted annually or upon other discretionary events. Options granted under the 2002 Directors Plan prior to September 30, 2007 generally vested 50% at the grant date and 50% on the one-year anniversary of the grant date, and expire ten years from the date of grant. Options granted under the 2002 Directors Plan in November 2007 vested 50% one year from the date of grant and 50% two years from the date of grant, and expire ten years from the date of grant. Under the terms of the 2002 Plan, no options may be granted on or after November 12, 2012, but options previously granted may extend beyond that date based on the terms of the relevant grant. This plan was approved by our stockholders.

The American Pacific Corporation Amended and Restated 2008 Stock Incentive Plan (the “2008 Plan”) permits the granting of stock options, restricted stock, restricted stock units and stock appreciation rights to employees, directors and consultants. A total of 800,000 shares of common stock are authorized for issuance under the 2008 Plan, provided that no more than 400,000 shares of common stock may be granted pursuant to awards of restricted stock and restricted stock units. Generally, awards granted under the 2008 Plan vest in three equal annual installments beginning on the first anniversary of the grant date, and in the case of option awards, expire ten years from the date of grant. As of September 30, 2013, there were 245,232 shares available for grant under the 2008 Plan. This plan was approved by our stockholders.

F-13

2. SHARE-BASED COMPENSATION (continued)

Stock Options and Restricted Stock. A summary of our outstanding and non-vested stock option and restricted stock activity for the year ended September 30, 2013 is as follows:

	Stock Options										Restricted Stock
	Outstanding					Non-Vested					Outstanding and Non-Vested
	Shares			Weighted Average Exercise Price Per Share		Shares			Weighted Average Fair Value Per Share		Shares			Weighted Average Fair Value Per Share
Balance, September 30, 2012		612,071		$	8.47		138,835		$	3.55		64,497		$	7.52
Granted		47,470			11.93		47,470			5.41		36,060			11.93
Vested		-			-		(77,184	)		3.61		(29,505	)		7.42
Exercised		(204,157	)		8.72		-			-		-			-
Expired / Cancelled		(17,749	)		8.32		(4,749	)		3.77		(2,000	)		7.61
Balance, September 30, 2013		437,635			8.73		104,372			4.34		69,052			9.87

A summary of our exercisable stock options as of September 30, 2013 is as follows:

Number of vested stock options		333,263
Weighted average exercise price per share	$	8.48
Aggregate intrinsic value	$	15,423
Weighted average remaining contractual term in years		4.5

We determine the fair value of stock option awards at their grant date, using a Black-Scholes Option-Pricing model applying the assumptions in the following table. We determine the fair value of restricted stock awards based on the fair market value of our common stock on the grant date. Actual compensation, if any, ultimately realized by optionees may differ significantly from the amount estimated using an option valuation model. The following stock option information is as of September 30:

	2013		2012		2011
Weighted average grant date fair value per share of options granted	$	5.41	$	3.46		-
Significant fair value assumptions
Expected term in years		5.70		5.70		-
Expected volatility		49.0%		49.0%		-
Expected dividends		0.0%		0.0%		-
Risk-free interest rates		0.64%		0.85%		-
Total intrinsic value of options exercised	$	2,910	$	525	$	20
Aggregate cash received for option exercises	$	1,781	$	754	$	81
Compensation cost (included in operating expenses)
Stock options	$	223	$	260	$	231
Restricted stock		364		248		73
Total		587		508		304
Tax benefit recognized		140		108		56
Net compensation cost	$	447	$	400	$	248
As of period end date
Total compensation cost for non-vested awards not yet recognized
Stock options	$	138	$	122	$	65
Restricted stock	$	218	$	167	$	15
Weighted-average years to be recognized
Stock options		1.4		1.5		1.0
Restricted stock		1.4		1.5		1.0

F-14

2. SHARE-BASED COMPENSATION (continued)

For each year presented, the expected option term was determined using the simplified method under the applicable accounting standard. Expected volatility is based on historical market factors related to the Company’s common stock. Risk-free interest rate is based on U.S. Treasury rates appropriate for the expected term.

Our share-based compensation plans permit us, but do not require us, to repurchase newly exercised shares from optionees in settlement of the optionees’ exercise price obligation. Shares are repurchased at a price equal to the closing price of our common stock on the date of exercise. No shares were repurchased during the years presented.

Cash-Settled Restricted Stock Units. Cash-settled restricted stock units (“RSU”) are awards that, if vested, entitle the recipient to a cash payment equal to the fair market value of one share of our common stock for each unit granted. The currently outstanding RSU awards granted under the 2008 Plan cliff-vest on September 30, 2014, subject to the attainment of financial performance criteria that were established for the two-year period ending September 30, 2014 and continued employment by the recipient. RSUs are accounted for as liability awards, and accordingly, compensation cost is remeasured based on our closing stock price at the end of each reporting period. If we estimate that it is probable that the vesting criteria will be met, then we record compensation expense based on the proportionate share of the total estimated fair value of the award to the requisite service period.

A summary of our RSU activity for the year ended September 30, 2013 is as follows:

	Number of Units		Weighted- Average Grant Date Fair Value Per Unit
Outstanding, September 30, 2012		-	$	-
Grants		77,231		11.93
Forfeitures		-		-
Vested		-		-
Outstanding, September 30, 2013		77,231	$	11.93

A summary of estimated compensation expense for RSU awards is as follows:

	Year Ended September 30,
	2013		2012
Compensation cost (included in operating expenses)	$	1,883	$	-
Tax benefit recognized		720		-
Net compensation cost	$	1,163	$	-
As of period end date:
Total compensation cost for non-vested awards not yet recognized	$	2,346	$	-
Weighted-average years to be recognized		1.0		-
Accrued compensation cost included in other long-term liabilities at year end	$	1,883	$	-

F-15

3. BALANCE SHEET DATA

The following tables provide additional disclosure for accounts receivable, inventories and property, plant and equipment at September 30:

	2013			2012
Accounts Receivable:
Trade receivables	$	20,875		$	23,384
Employee and other receivables		462			827
Allowance for bad debt		(28	)		-
Total	$	21,309		$	24,211

We assess the collectability of our accounts receivable based on historical collection experience and provide allowances for estimated credit losses. Typically, our customers consist of large corporations and government contractors procuring products from us on behalf of or for the benefit of government agencies.

	2013		2012
Inventories:
Finished goods	$	9,020	$	2,966
Work-in-progress		36,032		28,851
Raw materials and supplies		14,520		12,340
Total	$	59,572	$	44,157

Finished goods includes final product that has shipped to our customers but remains subject to a specified customer acceptance period before revenues and the related costs of revenues are recognized.

	2013			2012
Property, Plant and Equipment:
Land and improvements	$	3,693		$	3,693
Buildings and improvements		52,343			50,891
Machinery and equipment		161,472			149,522
Construction in progress		4,264			3,689
Total Cost		221,772			207,795
Less: accumulated depreciation		(117,925	)		(104,479	)
Total	$	103,847		$	103,316

4. DEBT

Our outstanding debt balances consist of the following as of September 30:

	2013			2012
Term Loan, variable-rate interest, due through 2017	$	55,500		$	-
Senior Notes, 9%, due 2015		-			65,000
Capital Leases, due through 2014		2			20
Total Debt		55,502			65,020
Less Current Portion		(6,002	)		(16	)
Total Long-term Debt	$	49,500		$	65,004

Senior Notes. In February 2007, we issued and sold $110,000 aggregate principal amount of 9.0% Senior Notes due February 1, 2015 (the “Senior Notes”). The Senior Notes accrued interest at an annual rate of 9.0%, payable semi-annually in February and August. The Senior Notes were guaranteed on a senior unsecured basis by all of our existing and future material U.S. subsidiaries.

On August 9, 2012, we called $40,000 of the outstanding principal amount of the Senior Notes. On September 10, 2012, we completed the redemption, using net cash proceeds from the sale of AMPAC-ISP and available cash balances. The redemption price for the Notes was 102.25% of the principal amount of the Notes being redeemed, plus accrued and unpaid interest to the redemption date. The transaction resulted in a net loss on debt retirement of $1,397 which includes the call premium of $900, unamortized debt issuances costs of $482 and other expenses of $15.

F-16

4. DEBT (continued)

In connection with our entering into the Credit Facility (as defined below), on October 26, 2012, a notice of redemption was issued for all remaining outstanding Senior Notes specifying a redemption date of November 25, 2012. The Redemption Price for the Notes was 102.250% of the outstanding principal amount of $65,000, plus accrued and unpaid interest to, but not including, the redemption date. On October 26, 2012, we irrevocably deposited funds with the trustee in an amount equal to the Redemption Price for the Senior Notes and the related indenture was discharged. The transaction resulted in a net loss on debt retirement of $2,835 which includes the call premium of $1,463, the write-off of then unamortized debt issuances costs of $1,252 and other expenses of $120.

ABL Credit Facility. On January 31, 2011, American Pacific Corporation, as borrower, with certain domestic subsidiaries of the Company as guarantors, entered into an asset-based lending credit agreement (the “ABL Credit Facility”) with Wells Fargo Bank, National Association, as agent and as lender, which provided a secured revolving credit facility in an aggregate principal amount of up to $20,000 at any time outstanding with an initial maturity of 90 days prior to the maturity date of the Senior Notes, which was February 1, 2015. The maximum borrowing availability under the ABL Credit Facility was based upon a percentage of our eligible account receivables and eligible inventories. On October 26, 2012, we terminated the ABL Credit Facility.

Credit Facility. On October 26, 2012, we entered into an $85,000 senior secured credit agreement (the “Credit Facility”) by and among American Pacific Corporation, the lenders party thereto (the “Lenders”) and KeyBank National Association, as the swing line lender, issuer of letters of credit under the Credit Facility and as the Administrative Agent of the Lenders. Under the Credit Facility, we (i) obtained a term loan in the aggregate principal amount of $60,000 with an initial maturity in five years (the “Term Loan”), and (ii) may obtain revolving loans of up to $25,000 in aggregate principal amount, of which up to $5,000 may be outstanding in connection with the issuance of letters of credit (the “Revolving Facility”). We may prepay and terminate the Credit Facility at any time, without premium or penalty. The Credit Facility contains certain mandatory prepayment provisions which are based upon certain asset sales, equity issuances, incurrence of certain indebtedness and events of loss.

Available borrowings under the Revolving Facility are computed as the $25,000 committed line less any outstanding revolving loans and outstanding letters of credits. As of September 30, 2013, we had no borrowings outstanding under the Revolving Facility, outstanding letters of credit of $4,466 and availability for revolving loans of $20,534.

For any loans under the Credit Facility, we elect between two options to determine the annual interest rates applicable to such loans: Base Rate Loans and Eurodollar Loans. These elections can be renewed or changed from time to time during the term of the Credit Facility. The interest rate for an election period is determined as the Base Rate or the Adjusted Eurodollar Rate (each as defined in the Credit Facility), and in each case, plus an applicable margin, which shall range from 0.75% to 1.50% for Base Rate Loans or from 1.75% to 2.50% for Eurodollar Loans, subject to adjustment based on the leverage ratio. Interest payments are due at least quarterly and may be more frequent under certain Eurodollar Loan elections. The Term Loan includes quarterly principal amortization payments which commenced on December 31, 2012. Scheduled Amortization of the Term Loan is $4,500, $6,000, $6,000, $6,000 and $7,500 for each of the five years in the period ending September 30, 2017, respectively. The remaining balance of the Term Loan of $30,000 is due upon maturity.

The Credit Facility is guaranteed by our current and future domestic subsidiaries and is secured by substantially all of our assets and the assets of our current and future domestic subsidiaries, subject to certain exceptions as set forth in the Credit Facility.

F-17

4. DEBT (continued)

The Credit Facility contains customary affirmative, negative and financial covenants which, among other things, restrict our ability to:

— pay dividends, repurchase our stock, or make other restricted payments;

— make certain investments or acquisitions;

— incur additional indebtedness;

— create or permit to exist certain liens;

— enter into certain transactions with affiliates;

— consummate a merger, consolidation or sale of assets;

— change our business; and

— wind up, liquidate, or dissolve our affairs.

In each case, the covenants set forth above are subject to customary and negotiated exceptions and exclusions.

The Credit Facility includes two financial covenants that are measured quarterly.

Leverage Ratio. The Leverage Ratio must be less than or equal to 3.00 to 1.00. The Credit Facility defines the Leverage Ratio as the ratio of Consolidated Total Debt as of the last day of a quarter (“Test Date”) to Consolidated EBITDA for the four consecutive quarters preceding the Test Date, each as defined in the Credit Facility.

Debt Service Coverage Ratio. The Debt Service Coverage Ratio must be at least 2.00 to 1.00, with increases to 2.25 to 1.00 for the period commencing September 30, 2014 to September 29, 2015, and to 2.50 to 1.00 for the period commencing September 30, 2015 and thereafter. The Credit Facility defines the Debt Service Coverage Ratio as the ratio of Consolidated EBITDA minus Consolidated Capital Expenditures to Scheduled Repayments plus Consolidated Adjusted Interest Expense, each as defined in the Credit Facility.

With respect to these covenant compliance calculations, Consolidated EBITDA, as defined in the Credit Facility (hereinafter, referred to as “Credit Facility EBITDA”), differs from typical EBITDA calculations and our calculation of Adjusted EBITDA, which is used in certain of our public releases and in connection with our incentive compensation plan. The most significant difference in the Credit Facility EBITDA calculation is the inclusion of cash payments for environmental remediation as part of the calculation. The following statements summarize the elements of those definitions that are material to our computations. Consolidated Total Debt generally includes principal amounts outstanding under our Credit Facility, capital leases, drawn amounts for outstanding letters of credit and other indebtedness for borrowed money. Credit Facility EBITDA is generally computed as consolidated net income (loss) plus income tax expense (benefit), interest expense, depreciation and amortization, stock-based compensation expense, and certain non-cash charges and less cash payments for environmental remediation, extraordinary gains and certain other non-cash gains. In accordance with the definitions contained in the Credit Facility, as of September 30, 2013, our Leverage Ratio was 1.04 to 1.00 and our Debt Service Coverage Ratio was 6.21 to 1.00, each of which are in compliance with the applicable financial covenant.

The Credit Facility also contains usual and customary events of default (subject to certain threshold amounts and grace periods). If an event of default occurs and is continuing, the Company may be required to repay the obligations under the Credit Facility prior to the Credit Facility’s stated maturity and the related commitments may be terminated.

F-18

4. DEBT (continued)

Principal Maturities. Principal maturities for our outstanding debt as of September 30, 2013 are as follows:

Years ending September 30:
2014	$	6,002
2015		6,000
2016		6,000
2017		7,500
2018		30,000
Total	$	55,502

Debt Issue Costs. In connection with the issuance of the Credit Facility, we incurred debt issuance costs of approximately $1,386, which are capitalized and classified as other assets on our consolidated balance sheets. These costs are being amortized, using the effective interest rate method, as additional interest expense over the term of the Credit Facility.

Letters of Credit. We issue letters of credit principally to secure performance related to insurance, utilities and certain product contracts. As of September 30, 2013, we had $4,466 in outstanding letters of credit, maturing through April 2017, that were issued under our Revolving Facility. In addition, as of September 30, 2013, we had $315 in outstanding standby letters of credit, maturing through April 2016, that were not issued under our Revolving Facility. Letters of credit that are not issued under our Revolving Facility are collateralized by cash on deposit with the issuing bank in the amount of 105% of the outstanding letters of credit. Collateral deposits are classified as other assets on our consolidated balance sheets.

5. DERIVATIVE INSTRUMENT

Interest Rate Swap Agreement. On January 24, 2013, we entered into a floating-to-fixed interest rate swap with an initial notional amount of $58,875 (such notional amount reducing over the life of the arrangement), terminating October 26, 2017, which will effectively convert our floating-rate debt to a fixed rate (the “Swap Agreement”). Under the terms of the Swap Agreement, we will pay a fixed rate of approximately 0.775%, we will receive a floating-rate payment tied to the one-month LIBOR, and there will be no exchange of notional amounts. Our objective in using an interest rate derivative is to add stability to interest expense and to manage our exposure to interest rate movements.

We designated the Swap Agreement as a cash flow hedge in accordance with the accounting guidance in ASC Topic 815. As of September 30, 2013, the fair value of the Swap Agreement was an asset of $256. The effective portion of the change in the fair value of a derivative designated and that qualifies as a cash flow hedge is recorded in accumulated other comprehensive loss and is subsequently reclassified into earnings in the period that the hedged forecasted transaction affects earnings. The ineffective portion of the change in the fair value of the derivative is recognized directly in earnings. For the year ended September 30, 2013, we had no hedge ineffectiveness.

F-19

5. DERIVATIVE INSTRUMENT (continued)

The following table provides quantitative disclosures about the Swap Agreement before income tax effects for the years ended September 30:

	September 30,
	2013		2012
Balance sheet location of fair value:
Other assets	$	554	$	-
Accrued liabilities	$	298	$	-

	Year Ended September 30,
	2013		2012		2011
Amount of gain (loss) recognized in other comprehensive income (effective portion)	$	31	$	-	$	-
Amount reclassified from accumulated other comprehensive income to interest expense (effective portion)	$	225	$	-	$	-

6. ACCUMULATED OTHER COMPREHENSIVE LOSS

The following table provides changes in accumulated other comprehensive loss by component, net of income tax:

	Defined Benefit Pension Plans			Cash Flow Hedge		Foreign Currency Items			Total
Balance, September 30, 2011	$	(23,470	)	$	-	$	(475	)	$	(23,945)
Current year other comprehensive income (loss)		(8,567	)		-		475			(8,092)
Balance, September 30, 2012		(32,037	)		-		-			(32,037)
Current year other comprehensive income (loss)		16,420			158		-			16,578
Balance, September 30, 2013	$	(15,617	)	$	158	$	-		$	(15,459)

7. EARNINGS (LOSS) PER SHARE

Shares used to compute earnings (loss) per share from continuing operations are as follows for the years ended September 30:

	2013		2012		2011
Income (Loss) from Continuing Operations	$	23,133	$	20,332	$	(9,379	)
Basic Weighted Average Shares		7,772,000		7,554,000		7,517,000
Diluted:
Weighted Average Shares, Basic		7,772,000		7,554,000		7,517,000
Dilutive Effect of Stock Options		291,000		82,000		-
Dilutive Effect of Restricted Stock		38,000		27,000		-
Weighted Average Shares, Diluted		8,101,000		7,663,000		7,517,000
Basic Earnings (Loss) per Share from Continuing Operations	$	2.98	$	2.69	$	(1.25	)
Diluted Earnings (Loss) per Share from Continuing Operations	$	2.86	$	2.65	$	(1.25	)

Antidilutive options and restricted shares are excluded from potential dilutive shares. As of September 30, 2013, we had no antidilutive options and restricted stock outstanding. As of September 30, 2012 and 2011, we had an aggregate of 278,385 and 653,304, respectively, of antidilutive options and restricted shares outstanding.

F-20

8. INCOME TAXES

Income Tax Expense (Benefit). Income tax expense (benefit) is classified as follows for the years ended September 30:

	2013			2012			2011
Continuing Operations	$	12,243		$	(3,766	)	$	6,985
Discontinued Operations		(90	)		715			1,185
Total	$	12,153		$	(3,051	)	$	8,170

The components of the income tax expense (benefit) are as follows for the years ended September 30:

	2013			2012			2011
Current
Federal	$	11,930			1,328			(330	)
State		(9	)		1,129			(16	)
Foreign		-			183			(90	)
Deferred
Federal		(1,131	)		(4,473	)		7,614
State		1,363			(1,218	)		1,025
Foreign		-			-			(33	)
Income tax expense (benefit)	$	12,153			(3,051	)		8,170

A reconciliation of the federal statutory rate to our effective tax (benefit) rate from continuing operations is as follows for the years ended September 30:

	2013		2012		2011
Federal income tax at the statutory rate		35.0%		35.0%		(35.0%)
State income tax, net of federal benefit		3.4%		4.1%		(3.6%)
Nondeductible expenses		0.2%		1.4%		8.6%
Valuation allowance		(0.2%)		(62.9%)		318.6%
Interest and penalties		(2.0%)		0.4%		1.1%
Domestic production activities and state credits		(7.9%)		0.0%		0.0%
State tax rate change		5.4%		0.0%		0.0%
Other		0.7%		(0.7%)		2.0%
Effective tax rate		34.6%		(22.7%)		291.7%

F-21

8. INCOME TAXES (continued)

Deferred Tax Assets and Liabilities. Deferred tax assets arise primarily because expenses have been recorded in historical financial statement periods which will not become deductible for income taxes until future tax years. Deferred tax assets are comprised of the following at September 30:

	2013			2012
Deferred tax assets:
Inventory	$	11,459		$	9,183
Pension obligations		10,755			22,270
Environmental remediation reserves		7,533			9,997
Accrued expenses		4,314			3,824
Deferred gain on sale of business		996			1,448
Tax credits and carryforwards		515			66
Other		1,117			1,439
Subtotal		36,689			48,227
Valuation allowance		-			(66	)
Deferred tax assets		36,689			48,161
Deferred tax liabilities:
Property, plant and equipment		(13,358	)		(13,805	)
Prepaid expenses		(576	)		(432	)
Other		(95	)		(100	)
Deferred tax liabilities		(14,029	)		(14,337	)
Net deferred tax assets	$	22,660		$	33,824

Valuation Allowance. We record valuation allowances to reduce the book value of our deferred tax assets to amounts that are estimated to be more likely than not realized. This assessment requires judgment and is performed on the basis of the weight of all available evidence, both positive and negative, with greater weight placed on information that is objectively verifiable, such as historical performance.

The following schedule provides detail regarding our deferred tax asset valuation allowance as of September 30:

	2013			2012			2011
Balance, Beginning of Year	$	66		$	10,486		$	66
Amounts charged to income tax expense (benefit)		(66	)		(10,420	)		7,628
Amounts charged to other comprehensive income (loss)		-			-			2,792
Balance, End of the Year	$	-		$	66		$	10,486

For the year ended September 30, 2011, we evaluated negative evidence noting that for the three year period then ended we reported a cumulative net loss. Pursuant to FASB guidance, a cumulative loss in recent years is a significant piece of negative evidence that must be considered and this form of negative evidence is difficult to overcome without sufficient objectively verifiable positive evidence. Our then objectively verifiable positive evidence included certain aspects of our historical results. Additional positive evidence includes forecasts of future taxable income. However, since this latter form of evidence was not objectively verifiable, its weight is not sufficient to overcome the negative evidence. As a result of this evaluation, we increased our valuation allowance by $10,420 as of September 30, 2011. Of this amount, $7,628 was recorded as income tax expense and $2,792 was charged to other comprehensive loss offsetting deferred tax assets that were generated in Fiscal 2011.

For the year ended September 30, 2012, we reported significant income before tax from continuing operations which resulted in cumulative earnings for the three-year period then ended. We evaluated the current facts and circumstances and concluded that the negative evidence that existed as of September 30, 2011, no longer existed. Accordingly, we relied on positive evidence, which included taxable income in the current year, a forecast of significant taxable income in coming years and the absence of credit carry forward balances. As a result, we reversed the valuation allowance of $10,420.

F-22

8. INCOME TAXES (continued)

The ultimate realization of deferred tax assets depends on having sufficient taxable income in the future years when the tax deductions associated with the deferred tax assets become deductible. The establishment or reversal of a valuation allowance, if any, does not impact cash nor does it preclude us from using our tax credits, loss carryforwards and other deferred assets in the future.

Credits and Carryforwards. As of September 30, 2013, we have California Enterprise Zone credit carryforwards of $792, expiring 2024, which are available to offset future California income tax. As of September 30, 2012, we had aggregate net operating loss carryforward balances of $1,208 in two states where we no longer conduct business. Since we did not anticipate future taxable income in these states we provided a full valuation allowance of $66 as of September 30, 2012. During Fiscal 2013, we filed final tax returns in these states and removed the related deferred tax assets and valuation allowance from the balance sheet.

Unrecognized Tax Benefits. We review our portfolio of uncertain tax positions and recorded liabilities based on the applicable recognition standards. In this regard, an uncertain tax position represents our expected treatment of a tax position taken in a filed tax return, or planned to be taken in a future tax return, that has not been reflected in measuring income tax expense for financial reporting purposes. We classify uncertain tax positions as non-current income tax liabilities unless expected to be settled within one year.

As of September 30, 2013 and 2012, our recorded liability for unrecognized tax benefits was $204 and $1,274, respectively, of which $201 and $405, respectively, would affect the effective tax rate, if recognized. The remaining balance is related to deferred tax items, which only impact the timing of tax payments. In December 2012, the internal revenue service completed its examination of our federal income tax returns for Fiscal years 2008, 2009, and 2010 and the related net operating loss carryback claims for Fiscal years 2002, 2003, 2005, 2006, 2007 and 2008 with no significant adjustments. Upon completion of this audit, we released $1,070 of unrecognized tax benefits.

We have no additional significant statutes of limitations that are anticipated to expire in Fiscal 2014. Accordingly, it is reasonably possible that none of the gross liability for unrecognized tax benefits will be reversed during Fiscal 2014.

A reconciliation of the beginning and ending amount of unrecognized tax benefits as of September 30 is as follows:

	2013			2012
Unrecognized Tax Benefits - Beginning of Year	$	1,274		$	1,246
Additions for tax positions of prior years		-			28
Reductions for tax positions of prior years		(1,070	)		-
Lapse of statute of limitations		-			-
Unrecognized Tax Benefits - End of Year	$	204		$	1,274

We recognize accrued interest and penalties related to unrecognized tax benefits in income tax expense. As of September 30, 2013 and 2012, respectively, we had accrued $10 and $679, respectively, for the payment of tax-related interest and penalties. For the years ended September 30, 2013 and 2012, respectively, income tax expense includes a benefit of $671 and an expense of $70 for interest and penalties.

We file income tax returns in the U.S. federal jurisdiction, various states and foreign jurisdictions. With few exceptions, we are no longer subject to federal or state income tax examinations for the years before 2008.

F-23

9. EMPLOYEE BENEFIT PLANS

Defined Benefit Plan Descriptions. We maintain three defined benefit pension plans, which cover substantially all of our employees: the Amended and Restated American Pacific Corporation Defined Benefit Pension Plan (the “AMPAC Plan”), the Ampac Fine Chemicals LLC Pension Plan for Salaried Employees (the “AFC Salaried Plan”), and the Ampac Fine Chemicals LLC Pension Plan for Bargaining Unit Employees (the “AFC Bargaining Plan”), each as amended to date. Collectively, these three plans are referred to as the “Pension Plans.” Pension Plans benefits are paid based on an average of earnings, retirement age, and length of service, among other factors. In May 2010, our board of directors approved amendments to our Pension Plans which effectively closed the Pension Plans to participation by any new employees. Retirement benefits for existing U.S. employees and retirees through June 30, 2010 were not affected by this change. Beginning July 1, 2010, new U.S. employees began participating solely in one of the Company’s 401(k) plans. In addition, we maintain the American Pacific Corporation Supplemental Executive Retirement Plan (the “SERP”) that as of September 30, 2013, includes three executive officers and two former executive officers. We use a measurement date of September 30 to account for our Pension Plans and SERP.

Defined Contribution Plan Descriptions. We maintain two 401(k) plans in which participating employees may make contributions. One covers substantially all U.S. employees, except bargaining unit employees of our Fine Chemicals segment, and the other covers those bargaining unit employees (collectively, the “401(k) Plans”). We make matching contributions for Fine Chemicals segment employees and eligible U.S. employees who began employment on or after July 1, 2010.

Summary Defined Benefit Plan Results. The table below presents the annual changes in benefit obligations and plan assets and the funded status of our Pension Plans and SERP as of and for the fiscal years ended September 30:

	Pension Plans						SERP
	2013			2012			2013			2012
Change in Benefit Obligation:
Benefit obligation, beginning of year	$	96,989		$	73,383		$	11,087		$	7,942
Service cost		3,326			2,653			817			435
Interest cost		3,944			3,915			422			369
Amendments		298			-			-			-
Actuarial losses		(18,090	)		18,693			(615	)		2,868
Benefits paid		(1,781	)		(1,655	)		(525	)		(527	)
Benefit obligation, end of year		84,686			96,989			11,186			11,087
Change in Plan Assets:
Fair value of plan assets, beginning of year		52,249			36,935			-			-
Actual return (loss) on plan assets		8,124			7,649			-			-
Employer contributions		6,704			9,320			525			527
Benefits paid		(1,781	)		(1,655	)		(525	)		(527	)
Fair value of plan assets, end of year		65,296			52,249			-			-
Funded status	$	(19,390	)	$	(44,740	)	$	(11,186	)	$	(11,087	)

Amounts pertaining to our Pension Plans and SERP recognized in our consolidated balance sheet are classified as follows as of September 30:

	Pension Plans						SERP
	2013			2012			2013			2012
Employee related liabilities	$	-		$	-		$	(677	)	$	(527	)
Pension obligations and other long-term liabilities		(19,390	)		(44,740	)		(10,509	)		(10,560	)
Net amount recognized	$	(19,390	)	$	(44,740	)	$	(11,186	)	$	(11,087	)

F-24

9. EMPLOYEE BENEFIT PLANS (continued)

The following table summarizes changes in the components of unrecognized benefit plan costs for the year ended September 30:

	Pension Plans						SERP
	2013			2012			2013			2012
Net actuarial loss	$	(21,817	)	$	14,443		$	(616	)	$	2,867
Prior service costs		298			-			-			-
Amortization of:
Net actuarial loss from previous years		(3,590	)		(2,549	)		(376	)		-
Prior service costs		(70	)		(63	)		(420	)		(420	)
Income tax benefits related to above items		9,631			(4,732	)		540			(979	)
Changes in unrecognized benefit plan costs	$	(15,548	)	$	7,099		$	(872	)	$	1,468

The following table sets forth the amounts recognized as components of accumulated other comprehensive loss at September 30:

	Pension Plans						SERP
	2013			2012			2013			2012
Net actuarial loss	$	17,950		$	43,357		$	2,576		$	3,568
Prior service costs		642			414			982			1,402
Income tax benefits related to above items		(4,931	)		(14,562	)		(1,602	)		(2,142	)
Unrecognized benefit plan costs, net of tax	$	13,661		$	29,209		$	1,956		$	2,828

The table below sets forth the amounts in accumulated other comprehensive loss at September 30, 2013, that we expect to recognize in periodic pension cost in the year ending September 30, 2014.

	Pension Plans		SERP
Amortization of net actuarial loss	$	1,143	$	262
Amortization of prior service costs		67		420
	$	1,210	$	682

The table below provides data for our defined benefit plans as of September 30:

	2013		2012
Plan Assets:
Ampac Plan	$	49,913	$	41,055
AFC Salaried Plan		8,991		6,744
AFC Bargaining Plan		6,392		4,450
Accumulated Benefit Obligation:
Ampac Plan		54,786		61,368
AFC Salaried Plan		10,409		12,500
AFC Bargaining Plan		7,210		7,585
Projected Benefit Obligation:
Ampac Plan		65,838		74,645
AFC Salaried Plan		11,638		14,759
AFC Bargaining Plan		7,210		7,585

F-25

9. EMPLOYEE BENEFIT PLANS (continued)

Net periodic benefit plan cost is comprised of the following for the years ended September 30:

	Pension Plans									SERP
	2013			2012			2011			2013		2012		2011
Net Periodic Benefit Plan Cost:
Service cost	$	3,326		$	2,653		$	2,432		$	817	$	435	$	324
Interest cost		3,944			3,914			3,541			422		369		356
Expected return on plan assets		(4,399	)		(3,398	)		(2,886	)		-		-		-
Recognized actuarial losses		3,589			2,549			1,752			376		-		-
Amortization of prior service costs		70			63			63			420		420		420
Net periodic pension cost	$	6,530		$	5,781		$	4,902		$	2,035	$	1,224	$	1,100

Assumptions.

	Pension Plans						SERP
	2013		2012		2011		2013		2012		2011
Weighted-Average Actuarial Assumptions
Used to Determine Benefit Obligation as of September 30:
Discount rate		5.31%		4.00%		5.40%		4.67%		3.90%		4.80%
Rate of compensation increase		3.50%		3.50%		4.00%		3.50%		3.50%		4.00%
Weighted-Average Actuarial Assumptions
Used to Determine Net Periodic Benefit
Plan Cost for the Years Ended
September 30:
Discount rate		4.00%		5.40%		5.80%		3.90%		4.80%		4.80%
Rate of compensation increase		3.50%		4.00%		4.00%		3.50%		4.00%		4.00%
Expected return on plan assets		8.00%		8.00%		8.00%		-		-		-

The discount rate is determined for the Pension Plans and SERP, respectively, by projecting the expected future benefit payments of the Pension Plans and SERP, discounting those payments using a theoretical zero-coupon spot-yield curve derived from a universe of high-quality bonds as of the measurement date, and solving for a single equivalent discount rate that results in the same projected benefit obligation.

Through consultation with investment advisors and actuaries, the expected long-term returns for each of the Pension Plans’ strategic asset classes were developed. Several factors were considered, including survey of investment managers’ expectations, current market data and historical returns of long periods. Using policy target allocation percentages and the asset class expected returns, a weighted average expected return was calculated.

Plan Assets and Investment Policy. The Pension Plans’ assets include no shares of our common stock. We developed assumptions for expected long-term returns for the targeted asset classes of each of the Pension Plans based on factors that include current market data such as yields/price-earnings ratios, and historical market returns over long periods. Using policy target allocation percentages and the asset class expected returns, a weighted average expected return was calculated. The actual and target asset allocation for the Pension Plans is as follows at September 30:

	Target		Actual
	2013		2013		2012
Equity securities		68%		68%		74%
Debt securities		24%		21%		22%
Real estate securities		5%		5%		0%
Cash and marketable securities		3%		6%		4%
Total		100%		100%		100%

F-26

9. EMPLOYEE BENEFIT PLANS (continued)

The table below provides the fair values of the Pension Plans’ assets as of September 30, 2013 and 2012, by asset category, and identifies the level of inputs used to determine the fair value of assets in each category (see Note 1 for additional information regarding the level categories).

	Quotes Prices in Active Markets for Identical Assets (Level 1)		Significant Other Observable Inputs (Level 2)		Significant Unobservable Inputs (Level 3)		Total
September 30, 2013:
Equity Securities
Domestic large-cap	$	15,964					$	15,964
Domestic mid-cap		3,331						3,331
Domestic small-cap		902						902
International		7,861						7,861
Mutual funds		15,478						15,478
Other		1,324						1,324
Fixed Income Securities
Mutual funds		6,216						6,216
Corporate bonds			$	3,999				3,999
Certificate of deposit								-
U.S. Treasuries		1,016						1,016
Mortgage-backed				303				303
Foreign bonds				1,901				1,901
Real Estate Securities		3,076						3,076
Cash and cash equivalents		3,859						3,859
Other		7		58				65
	$	59,034	$	6,261	$	-	$	65,295
September 30, 2012:
Equity Securities
Domestic large-cap	$	20,188					$	20,188
Domestic mid-cap		5,590						5,590
Domestic small-cap		1,768						1,768
International		5,939						5,939
Other		3,217						3,217
Fixed Income Securities								-
Mutual funds		6,146						6,146
Corporate bonds			$	3,652				3,652
Certificate of deposit				805				805
U.S. Treasuries		973						973
Mortgage-backed				477				477
Foreign bonds				1,366				1,366
Cash and cash equivalents		2,056						2,056
Other				72				72
	$	45,877	$	6,372	$	-	$	52,249

Contributions and Benefit Payments. We made total contributions of $1,061, $1,378 and $1,301 to the 401(k) Plans during the years ended September 30, 2013, 2012 and 2011, respectively. During the year ending September 30, 2014, we expect to contribute approximately $2,100 to the Pension Plans and approximately $677 to the SERP.

F-27

9. EMPLOYEE BENEFIT PLANS (continued)

The table below sets forth expected future benefit payments for the years ending September 30:

Years ending September 30:	Pension Plans		SERP
2014	$	2,344	$	677
2015		2,464		662
2016		2,681		1,081
2017		2,779		1,055
2018		3,019		1,027
2019-2023		20,326		4,662

10. COMMITMENTS AND CONTINGENCIES

Operating Leases. We lease our corporate offices under an operating lease that expires in 2018 and contains step rent provisions, escalation clauses and also provides for cash allowances toward the funding of capital improvements. Our minimum lease payments include these considerations. Total rental expense for continuing operations under operating leases was $1,938, $1,735 and $1,642 for the years ended September 30, 2013, 2012 and 2011, respectively.

Minimum lease payments are recognized as rental expense on a straight-line basis over the minimum lease term. Estimated future minimum lease payments under operating leases as of September 30, 2013, are as follows:

Years ending September 30:
2014	$	1,192
2015		1,163
2016		1,158
2017		1,170
2018		709
Thereafter		53
Total	$	5,445

Purchase Commitments. Purchase commitments represent obligations under agreements that are not unilaterally cancelable by us, are legally enforceable, and specify fixed or minimum amounts or quantities of goods or services at fixed or minimum prices. As of September 30, 2013, our purchase commitments were not material.

Employee Agreements. We have an employment agreement with our Chief Executive Officer. The term of the employment agreement currently ends on September 30, 2016, unless amended or extended in accordance with the terms of the agreement or otherwise. Significant contract provisions include annual base salary, health care benefits, and non-compete provisions. The employment agreement is primarily an “at will” employment agreement, under which we may terminate the executive officer’s employment for any or no reason. Generally, the agreement provides that a termination without cause obligates us to pay certain severance benefits specified in the contract.

We maintain severance agreements with four other executive officers which generally provide that a termination of the executive without cause obligates us to pay certain severance benefits specified in the contract. In addition, certain other key divisional executives are eligible for severance benefits. Estimated minimum aggregate severance benefits under all of these agreements and arrangements was approximately $5,800 as of September 30, 2013. In addition, we maintain a general ongoing employee severance policy that may provide benefits only for specified terminations, such as involuntary terminations without cause. The policy provides a formula for determining benefits based on position and years of service.

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10. COMMITMENTS AND CONTINGENCIES (continued)

Environmental Matters.

Regulatory Review of Perchlorates. Our Specialty Chemicals segment manufactures and sells products that contain perchlorates. Currently, perchlorate is on Contaminant Candidate List 3 of the U.S. Environmental Protection Agency (the “EPA”). In February 2011, the EPA announced that it had determined to move forward with the development of a regulation for perchlorates in drinking water, reversing its October 2008 preliminary determination not to promulgate such a regulation. Accordingly, the EPA announced its intention to begin to evaluate the feasibility and affordability of treatment technologies to remove perchlorate and to examine the costs and benefits of potential standards. The EPA has conducted various meetings, as required by the Safe Drinking Water Act, including a meeting of the Science Advisory Board, whose report was issued May 29, 2013. We continue to monitor activities and currently expect, based on EPA statements, that the earliest a final regulation is expected to be published is December 2014. Regulatory review and anticipated regulatory actions present general business risk to the Company, but no regulatory proposal of the EPA or any state in which we operate, to date, has been publicly announced that we believe would have a material effect on our results of operations and financial position or that would cause us to significantly modify or curtail our business practices, including our remediation activities discussed below.

Perchlorate Remediation Project in Henderson, Nevada. We commercially manufactured perchlorate chemicals at a facility in Henderson, Nevada (the “AMPAC Henderson Site”) from 1958 until the facility was destroyed in May 1988, after which we relocated our production to a new facility in Iron County, Utah. Legacy production at the AMPAC Henderson Site resulted in perchlorate presence in the groundwater near the vicinity of the former facility.

At the direction of the Nevada Division of Environmental Protection (“NDEP”) and the EPA, we conducted an investigation of remediation technologies for perchlorate in groundwater with the intention of remediating groundwater near the AMPAC Henderson Site. In 2002, we conducted a pilot test and in Fiscal 2005, we submitted a work plan to NDEP for the construction of a remediation facility near the AMPAC Henderson Site. The conditional approval of the work plan by NDEP in our third quarter of Fiscal 2005 allowed us to generate estimated costs for the installation and operation of the remediation facility to address perchlorate at the AMPAC Henderson Site. We commenced construction in July 2005. In December 2006, we began operations of the permanent facility. The location of this facility is several miles, in the direction of groundwater flow, from the AMPAC Henderson Site.

From time to time, we held discussions with NDEP to formalize our remediation efforts in an agreement. In June 2013, we entered into an Administrative Order on Consent (the “AOC”) with NDEP. We have been conducting our remediation efforts in cooperation with NDEP. Accordingly, the formalization of our remediation efforts under an AOC had no significant effect on our scope of activities or cost estimates. Significant terms of the AOC include:

— formalizing the oversight of ongoing or modified remediation efforts required by NDEP;

— procedures for reimbursing NDEP for past and future oversight costs;

— providing NDEP with enforcement mechanisms to ensure compliance with the AOC, including stipulated penalties for failures to comply with certain requirements under the AOC;

— preservation of AMPAC’s right to make future cost recovery or contribution claims;

— providing a procedure for closing part or all of the remediation efforts once goals are achieved; and

— resolving certain environmental liability claims that NDEP might have had without the AOC.

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10. COMMITMENTS AND CONTINGENCIES (continued)

Henderson Site Environmental Remediation Reserve. We accrue for anticipated costs associated with environmental remediation that are probable and estimable. On a quarterly basis, we review our estimates of future costs that could be incurred for remediation activities. In some cases, only a range of reasonably possible costs can be estimated. In establishing our reserves, the most probable estimate is used; otherwise, we accrue the minimum amount of the range.

During Fiscal 2005 and Fiscal 2006, we recorded aggregate charges of $26,000 representing our estimates at the time of the probable costs of our remediation efforts at the AMPAC Henderson Site, including the costs for capital equipment and on-going operating and maintenance (“O&M”).

Late in Fiscal 2009, we gained additional information from groundwater modeling that indicated groundwater emanating from the AMPAC Henderson Site in certain areas in deeper zones (more than 150 feet below ground surface) was moving toward our existing remediation facility at a much slower pace than previously estimated. Utilization of our existing facilities alone, at this slower groundwater pace, could, according to this groundwater model, extend the life of our remediation project to well in excess of 50 years. As a result of this additional data, related model interpretations and consultations with NDEP, we re-evaluated our remediation operations and determined that we should be able to improve the effectiveness of the treatment program and significantly reduce the total project time by expanding the treatment system existing at the time. The expansion included installation of additional groundwater extraction wells in the deeper, more concentrated areas, construction of an underground pipeline to move extracted groundwater to our treatment facility, and the addition of fluidized bed reactor (“FBR”) bioremediation treatment equipment (the “Expansion Project”) that will enhance, and in some cases replace, primary components of the existing treatment system. In our Fiscal 2009 fourth quarter, we accrued $13,700 as our initial estimate of the capital cost of the Expansion Project and the related estimates of the effects of the enhanced operations on the on-going O&M costs and project life.

Through June 2011, and in cooperation with NDEP, we worked to develop the formal design, engineering and permitting of the Expansion Project. Based on data obtained through that date, which was largely comprised of firm quotations, we determined that significant modifications to our Fiscal 2009 assumptions were required. As a result, in June 2011, we accrued an additional $6,000 for the estimated increase in cost of the capital component of the Expansion Project, offset slightly by reductions in O&M cost estimates. The estimated capital costs of the Expansion Project increased by approximately $6,400. The increase reflected (i) an increase in the capacity of the FBR bioremediation treatment equipment to accommodate technical requirements based on the testing of new extraction wells in the fall of 2010, and (ii) higher than initially anticipated cost associated with the installation of the equipment and construction of the pipeline. Our estimate of total O&M costs was reduced by approximately $400.

In September 2012, we commenced initial operation of the Expansion Project with planned start up activities completed in Fiscal 2013. System optimization will continue in Fiscal 2014. In September 2012, we recorded an additional remediation charge in the amount of $700, which is substantially attributed to the true-up of estimates to the expected final cost of the Expansion Project. Due to uncertainties inherent in making estimates, our estimates of capital and O&M costs may later require significant revision as new facts become available and circumstances change.

The estimated life of the project is a key assumption underlying the accrued estimated cost of our remediation activities. Groundwater modeling and other information regarding the characteristics of the surrounding land and demographics indicate that at our targeted processing rates and targeted perchlorate mass destruction rates, the life of the project could range from five to 18 years from the date that the Expansion Project was placed in service. Further, the data indicates that within that range, seven to 14 years is the more likely range. In accordance with generally accepted accounting principles, if no point within the more likely range is considered more likely than another, then estimates should be based on the low end of the range. Accordingly, our accrued remediation

F-30

10. COMMITMENTS AND CONTINGENCIES (continued)

cost includes estimated O&M costs through 2019, which is the low end of the likely range of the project life. Groundwater speed, perchlorate concentrations, aquifer characteristics and forecasted groundwater extraction rates will continue to be key factors considered when estimating the life of the project. If additional information becomes available in the future that leads to a different interpretation of the model, thereby dictating a change in equipment and operations, our estimate of the resulting project life could change significantly.

The estimate of the annual O&M cost of the project is a key assumption in our computation of the estimated cost of our remediation activities. To estimate future O&M costs, we consider, among other factors, the remaining project scope and historical expense rates to develop assumptions regarding labor, utilities, repairs, maintenance supplies and professional services costs. We estimate average annual O&M costs to range from approximately $1,800 to $2,100. If additional information becomes available in the future that is different than information currently available to us and thereby leads us to different conclusions, our estimate of O&M expenses could change significantly.

In addition, certain remediation activities are conducted on public lands under operating permits. In general, these permits may require us to relocate our underground pipeline or equipment to accommodate future public utilities and features and require us to return the land to its original condition at the end of the permit period. If we are required to relocate our underground pipeline or equipment in the future, the costs of such activities would be incremental to our current cost estimates. Estimated costs associated with removal of remediation equipment from the land are not material and are included in our range of estimated costs.

As of September 30, 2013, the aggregate range of anticipated environmental remediation costs was from approximately $8,300 to approximately $32,000. This range represents a significant estimate and is based on the estimable elements of cost for capital and O&M costs, and an estimated remaining operating life of the project through a range from the years 2017 to 2030. As of September 30, 2013, the accrued amount was $11,947, based on an estimated remaining life of the project through the year 2019, or the low end of the more likely range of the expected life of the project. Cost estimates are based on our current assessments of the facility configuration. As we proceed with the project, we have, and may in the future, become aware of elements of the facility configuration that must be changed to meet the targeted operational requirements. Certain of these changes may result in corresponding cost increases. Costs associated with the changes are accrued when a reasonable alternative, or range of alternatives, is identified and the cost of such alternative is estimable. Our estimated reserve for environmental remediation is based on information currently available to us and may be subject to material adjustment upward or downward in future periods as new facts or circumstances may indicate.

A summary of our environmental reserve activity for the year ended September 30, 2013, is shown below:

Balance, September 30, 2012	$	16,754
Expenditures		(4,807	)
Balance, September 30, 2013	$	11,947

AFC Environmental Matters. The primary operations of our Fine Chemicals segment are located on land leased from Aerojet Rocketdyne, Inc. (“Aerojet”), a wholly-owned subsidiary of GenCorp Inc. (“GenCorp”). The leased land is part of a tract of land owned by Aerojet designated as a “Superfund Site” under the Comprehensive Environmental Response, Compensation, and Liability Act of 1980 (“CERCLA”). The tract of land had been used by Aerojet and affiliated companies to manufacture and test rockets and related equipment since the 1950s. Although the chemicals identified as contaminants on the leased land were not used by Aerojet Fine Chemicals LLC (predecessor in interest to Ampac Fine Chemicals LLC) as part of its operations, CERCLA, among other things, provides for joint and several liability for environmental liabilities including, for example, environmental remediation expenses.

F-31

10. COMMITMENTS AND CONTINGENCIES (continued)

As part of the agreement by which we acquired our Fine Chemicals segment business from GenCorp, an Environmental Indemnity Agreement was entered into whereby GenCorp agreed to indemnify us against any and all environmental costs and liabilities arising out of or resulting from any violation of environmental law prior to the effective date of the sale, or any release of hazardous substances by Aerojet Fine Chemicals LLC, Aerojet or GenCorp on the premises of Ampac Fine Chemicals LLC or Aerojet’s Sacramento site prior to the effective date of the sale.

On November 29, 2005, EPA Region IX provided us with a letter indicating that the EPA does not intend to pursue any clean up or enforcement actions under CERCLA against future lessees of the Aerojet property for existing contamination, provided that the lessees do not contribute to or do not exacerbate existing contamination on or under the Aerojet Superfund site.

Other Matters. Although we are not currently party to any material pending legal proceedings, we are from time to time subject to claims and lawsuits related to our business operations. We accrue for loss contingencies when a loss is probable and the amount can be reasonably estimated. Legal fees, which can be material in any given period, are expensed as incurred. We believe that current claims or lawsuits against us, individually and in the aggregate, will not result in loss contingencies that will have a material adverse effect on our financial condition, cash flows or results of operations.

11. SEGMENT INFORMATION

We report our continuing operations in three operating segments: Fine Chemicals, Specialty Chemicals, and Other Businesses. These segments are based upon business units that offer distinct products and services, are operationally managed separately and produce products using different production methods. Segment operating income or loss includes all sales and expenses directly associated with each segment. Environmental remediation charges, corporate general and administrative costs, which consist primarily of executive, investor relations, accounting, human resources and information technology expenses, and interest are not allocated to segment operating results.

Fine Chemicals. Our Fine Chemicals segment includes the operating results of our wholly-owned subsidiaries Ampac Fine Chemicals LLC and AMPAC Fine Chemicals Texas, LLC (collectively, “AFC”). AFC is a custom manufacturer of active pharmaceutical ingredients and registered intermediates for commercial customers in the pharmaceutical industry. AFC operates in compliance with the U.S. Food and Drug Administration’s current Good Manufacturing Practices and the requirements of certain other regulatory agencies such as the European Union’s European Medicines Agency and Japan’s Pharmaceuticals and Medical Devices Agency. AFC also complies with Drug Enforcement Administration requirements related to the manufacture and sale of certain controlled substances. AFC has distinctive competencies and specialized engineering capabilities in performing chiral separations, manufacturing chemical compounds that require high containment, performing energetic chemistries at large scale, and manufacturing Schedule II controlled substances.

Specialty Chemicals. Our Specialty Chemicals segment manufactures and sells: (i) perchlorate chemicals, principally ammonium perchlorate, which is the predominant oxidizing agent for solid propellant rockets, booster motors and missiles used in space exploration, commercial satellite transportation and national defense programs, (ii) sodium azide, a chemical used in pharmaceutical manufacturing, and (iii) Halotron^®, a series of clean fire extinguishing agents used in fire extinguishing products ranging from portable fire extinguishers to total flooding systems.

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11. SEGMENT INFORMATION (continued)

Other Businesses. Our Other Businesses segment contains our water treatment equipment division and real estate activities. Our water treatment equipment business markets, designs, and manufactures electrochemical On Site Hypochlorite Generation, or OSHG, systems. These systems are used in the disinfection of drinking water, control of noxious odors, and the treatment of seawater to prevent the growth of marine organisms in cooling systems. We supply our equipment to municipal, industrial and offshore customers. Our real estate activities are not material.

Our revenues are characterized by individually significant orders and relatively few customers. As a result, in any given reporting period, certain customers may account for more than 10% of our consolidated revenues. The following table provides disclosure of the percentage of our consolidated revenues attributed to customers that exceed 10% of the total in each of the fiscal years ended September 30:

	2013		2012		2011
Fine chemicals customer		28%		31%		23%
Fine chemicals customer				12%
Specialty chemicals customer				17%
Specialty chemicals customer		20%		12%		24%

The following provides financial information about our segment operations for the fiscal years ended September 30:

	2013			2012			2011
Revenues:
Fine Chemicals	$	124,898		$	111,536		$	89,497
Specialty Chemicals		82,636			68,513			66,905
Other Businesses		7,551			5,578			4,312
Total Revenues	$	215,085		$	185,627		$	160,714
Segment Operating Income (Loss):
Fine Chemicals	$	11,295		$	8,678		$	(6,283	)
Specialty Chemicals		47,961			34,919			35,600
Other Businesses		(1,066	)		(473	)		(1,308	)
Total Segment Operating Income		58,190			43,124			28,009
Corporate Expenses		(17,101	)		(14,326	)		(14,124	)
Environmental Remediation Charges		-			(700	)		(6,000	)
Operating Income	$	41,089		$	28,098		$	7,885
Depreciation and Amortization:
Fine Chemicals	$	12,013		$	11,914		$	12,473
Specialty Chemicals		1,144			1,401			1,136
Other Businesses		21			18			17
Corporate		275			367			432
Total	$	13,453		$	13,700		$	14,058
Capital Expenditures:
Fine Chemicals	$	11,138		$	7,383		$	11,153
Specialty Chemicals		2,661			1,353			756
Other Businesses		6			18			8
Corporate		111			34			14
Total	$	13,916		$	8,788		$	11,931
Assets, at year end:
Fine Chemicals	$	154,707		$	143,551		$	144,003
Specialty Chemicals		27,427			21,029			19,785
Other Businesses		5,319			7,302			5,064
Corporate		89,854			74,582			60,954
Total	$	277,307		$	246,464		$	229,806

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11. SEGMENT INFORMATION (continued)

All of our continuing operations are located in the United States. Export sales consist mostly of fine chemicals and water treatment equipment sales. For the year ended September 30, 2013, sales outside the U.S. represented 43% of consolidated revenues. Of this amount 19% was sold to customers in Ireland, with no other individual country representing more than 10%. For the year ended September 30, 2012, sales outside the U.S. represented 36% of consolidated revenues. Of this amount, 17% was sold to customers in Ireland and 12% sold to customers in Belgium, with no other individual country representing more than 10%. For the year ended September 30, 2011, sales outside the U.S. represented 25% of consolidated revenues, with no individual country representing more than 10%.

12. GAIN CONTINGENCIES – OTHER OPERATING GAINS

We recognize gain contingencies in our consolidated statement of operations when all contingencies have been resolved, which generally coincides with the receipt of cash, if applicable. During the years ended September 30, 2012 and 2011, our Fine Chemicals segment reported other operating gains of $1,714 and $2,929 that resulted from the resolution of gain contingencies. We did not have any similar gains in the year ended September 30, 2013. The reported gains are comprised of the following two matters.

Our Fine Chemicals segment is undertaking several mandatory capital projects. Certain of the capital activities are complete and others are in progress or otherwise expected to be completed during our fiscal year ending September 30, 2014. In connection with these projects, our Fine Chemicals segment held, and continues to hold, negotiations with the former owner of its facilities. During the years ended September 30, 2012 and 2011, we received from the former owner cash consideration in the amount of $1,714 and $258, respectively, for a limited release of liability of the former owner with respect to the completed projects.

We made a series of filings with the County of Sacramento, California, to appeal the assessed values in prior years of our real and personal property located at our Fine Chemicals segment’s Rancho Cordova, California facility. During the year ended September 30, 2011, we received $2,671 for cash property tax refunds resulting from our appeals and the related favorable reassessment of historical property values.

13. DISCONTINUED OPERATIONS

In May 2012, our board of directors approved and we committed to a plan to sell our Aerospace Equipment segment, which is comprised of Ampac-ISP Corp. and its wholly-owned foreign subsidiaries (“AMPAC-ISP”). The divestiture is a strategic shift that allows us to place more focus on the growth and performance of our pharmaceutical-related product lines.

On June 4, 2012, we entered into an Asset Purchase Agreement with Moog Inc. (“Moog”) (the “Asset Purchase Agreement”), pursuant to which we sold to Moog substantially all of the assets of Ampac-ISP Corp., including all of the equity interests in its foreign subsidiaries (collectively, the “Purchased Assets”). Additionally, Moog assumed certain liabilities related to the operations and the Purchased Assets. The transaction was completed effective August 1, 2012. Under the terms of the Asset Purchase Agreement, the total consideration was approximately $46,000 (the “Purchase Price”) in cash.

The Asset Purchase Agreement provides that $4,000 of the Purchase Price be held in an escrow account for 15 months following the closing of the transaction, or until October 31, 2013. Amounts in the escrow account may be applied towards our indemnification obligations in favor of Moog, if any. The Asset Purchase Agreement provides that we, subject to certain limitations, indemnify Moog for damages and losses incurred or suffered by Moog as a result of, among other things, breaches of our

F-34

13. DISCONTINUED OPERATIONS (continued)

respective representations, warranties and covenants contained in the Asset Purchase Agreement as well as any of the liabilities that we retain. During Fiscal 2013, $650 of the escrow account was released to Moog in settlement of certain retained liabilities.

In October 2013, we received a claim for indemnification from Moog under the Asset Purchase Agreement (the “Moog Claim”). The Moog Claim demands payment for alleged losses of approximately $6,800 from the claimed breach of certain of our representations and warranties in the Asset Purchase Agreement. In November 2013, we responded to Moog denying Moog’s claim for indemnification. We intend to vigorously defend ourselves in this matter, but the ultimate outcome is uncertain.

We have accounted for the portion of the Purchase Price that was placed in the escrow account as a contingent gain, and accordingly have deferred recognition of the amount until all contingencies have lapsed or been resolved. The balance in the escrow account as of September 30, 2013 is $3,350. If the Moog Claim is resolved for an amount less than the balance in the escrow account, then any amounts remaining in the escrow account after settlement of the Moog Claim will be released to us and recorded as a gain. If the Moog Claim is resolved for an amount greater than the escrow account, then the amount of the settlement that is in excess of the escrow account balance would be recorded by us as a loss.

Revenues and expenses associated with the operations of AMPAC-ISP are presented as discontinued operations for all periods presented. Summarized financial information for AMPAC-ISP is as follows:

	Year Ended September 30,
	2013			2012		2011
Revenues	$	-		$	44,039	$	48,941
Income from Discontinued Operations, Net of Tax
Operating income (loss) before tax	$	83		$	643	$	3,328
Income tax expense (benefit)		(62	)		506		1,185
Net income from discontinued operations		145			137		2,143
Gain (Loss) on Sale of Discontinued Operations
Gain (Loss) on sale of discontinued operations before tax		(74	)		5,059		-
Income tax expense (benefit)		(28	)		209		-
Net gain (loss) on sale of discontinued operations		(46	)		4,850		-
Income from discontinued operations, net of tax	$	99		$	4,987	$	2,143

14. SUBSEQUENT EVENT

In October 2013, we received a claim for indemnification from Moog under the Asset Purchase Agreement associated with the sale of our former Aerospace Equipment segment (see Note 13).

F-35

EX-10.25

Exhibit 10.25

SECOND AMENDMENT TO

AMERICAN PACIFIC CORPORATION

DEFINED BENEFIT PENSION PLAN

The American Pacific Corporation Defined Benefit Pension Plan is hereby amended as follows:

1. Section 6.02(a) is amended to read as follows effective January 1, 2008:

(a) If a Participant described in Section 6.01 dies after attaining his Earliest Retirement Age as described in subsection (e) below, the Qualified Preretirement Survivor Annuity payable to his surviving Spouse shall be a survivor annuity for life equal to the annuity that would have been payable to such Spouse if the Participant had retired on the date preceding his death with his Benefit payable in the form of a Qualified Joint and Survivor Annuity, as described in Section 5.02(b) reduced in accordance with Section 3.02.

2. Section 6.02(c) is amended to read as follows effective January 1, 2011:

(c) Notwithstanding subsections (a) and (b), if the Participant is married at the time of his death, has not waived his benefit under this Section, and dies while employed with an Employer, the surviving Spouse’s death benefit payable shall be the greater of the benefit described in Section 6.03 payable as if the Participant had waived the benefit under this Section and designated his surviving Spouse as his Beneficiary under Section 6.03 , expressed as an Actuarially Equivalent monthly benefit payable for the surviving Spouse’s life, or the amount described in subsection (a) or (b) above, as applicable.

3. Section 6.03 is amended to read as follows effective January 1, 2011:

6.03 Alternative Death Benefit. If the Participant dies while employed by an Employer and (i) the Participant is not married at the time of his death, or (ii) the Participant waives the benefit under Section 6.02, then

(a) In the event of the Participant’s death before the earlier of his Early Retirement Date or his Normal Retirement Date, the Participant’s Beneficiary shall receive a monthly benefit payable for the life of the Beneficiary that is the Actuarial Equivalent of one hundred percent (100%) of the monthly benefit that the Participant would have received if he or she had terminated employment on his date of death, survived until the earliest date on which such benefit could commence under Article III or IV (if later) and commenced the Participant’s Retirement Benefit on that date.

(b) In the event the Participant’s death occurs after the earlier of his Early Retirement Date or his Normal Retirement Date, the death benefit shall be equal to the greater of sixty percent (60%) of the Participant’s Normal Retirement Benefit calculated as of the date of the Participant’s death but calculated as though the Participant had continued his service and earnings until age sixty-five (65), or, one hundred percent (100%) of the amount determined in (a) above as of the Participant’s Normal Retirement Date, and payable monthly, beginning at such date or the Participant’s date of death, if later, for the life of the Participant’s Beneficiary.

(c) Notwithstanding the foregoing, the Beneficiary may elect to receive this benefit in any Actuarially Equivalent optional form of payment pursuant to Section 5.02.

IN WITNESS WHEREOF, American Pacific Corporation, Inc. has caused this instrument to be executed this 27^th day of January, 2011

	American Pacific Corporation
ATTEST: (SEAL)	By:	/s/ JOSEPH CARLEONE

EX-10.27

Exhibit 10.27

THIRD AMENDMENT TO

AMERICAN PACIFIC CORPORATION

DEFINED BENEFIT PENSION PLAN

The American Pacific Corporation Defined Benefit Pension Plan is hereby amended as follows:

1. Section 1.12 is amended to read as follows effective October 1, 2012:

1.12 Company means American Pacific Corporation (Delaware).

2. Section 1.31 is amended to read as follows effective October 1, 2012:

1.31 Participating Employer means American Pacific Corporation (Nevada) and its subsidiaries who are members of the Affiliated. Participating Employer also means any other member of the Affiliated Group that adopts this Plan as provided in Article XIII other than AMPAC Fine Chemicals, LLC, AMP AC Fine Chemicals Texas, LLC, Ampac-ISP Corp. and Energetic Additives Inc., LLC.

3. Section 4.02 is amended to read as follows effective October 1, 2012:

4.02 Deferred Early Retirement Benefit.

(a) A Participant entitled to the Deferred Normal Retirement Benefit described above who separated from service after satisfying the Vesting Service requirement for Early Retirement specified in Section 1.17 but prior to satisfying the age requirement specified in such Section may elect to receive his Benefit in any optional form that would otherwise be available to the Participant at his Normal Retirement Date commencing on the first day of the month coincident with or next following the date he satisfies the age requirement specified in such Section. The amount of such Benefit shall be reduced for early commencement as provided in Section 3.02.

(b) A Participant entitled to the Deferred Normal Retirement Benefit described above who separated from service prior to satisfying both the age and Vesting Service requirements for Early Retirement specified in Section 1.17 may elect to receive his or her vested Benefit in either a single sum as described in Section 5.02(g) or in the Normal Form described in Section 5.01, commencing as soon as practicable after the Participant terminates employment with the Employer, provided the Actuarial Equivalent of the Participant’s vested monthly Accrued Benefit does not exceed ten thousand dollars ($10,000) and not less than the amount specified in Section 5.04 for involuntary cashout. The vested Accrued Benefit shall be reduced so that the benefit commencing at such date is the Actuarial Equivalent of his vested Benefit payable at his Normal Retirement Date.

(c) The election to receive a Deferred Early Retirement Benefit shall be made by filing a written election with the Plan Administrator. Such election shall be irrevocable after commencement of any Benefit payments.

IN WITNESS WHEREOF, American Pacific Corporation, Inc. has caused this instrument to be executed this 30^th day of November, 2012.

	American Pacific Corporation
ATTEST: (SEAL)	By:	/s/ JOSEPH CARLEONE

EX-10.28

Exhibit 10.28

AMERICAN PACIFIC CORPORATION

2008 STOCK INCENTIVE PLAN

NOTICE OF RESTRICTED STOCK UNIT (PERFORMANCE UNIT) AWARD

Grantee’s Name and Address:

You (the “Grantee”) have been granted Performance Units of the Company (the “Award”), subject to the terms and conditions of this Notice of Restricted Stock Unit (Performance Unit) Award (the “Notice”), the American Pacific Corporation 2008 Stock Incentive Plan (the “Plan”), as amended from time to time, and the Restricted Stock Unit (Performance Unit) Award Agreement (the “Agreement”) attached hereto, as follows. Unless otherwise defined herein, the terms defined in the Plan shall have the same defined meanings in this Notice.

Date of Award:

Performance Period Commencement Date:

Total Number of Performance Units Awarded: Return on Capital Employed Goal for the [performance period]:

Subject to the other limitations set forth in this Notice, the Plan and the Agreement, the Performance Units will vest and become payable in cash following the earlier of (i) the last day of the second fiscal year following the Performance Period Commencement Date (two fiscal year performance period), provided that the Return on Capital Employed Goal as set forth above has been met (“Normal Vesting”), or (ii) the date of an Acceleration Event (“Accelerated Vesting”), Vesting shall be accelerated and the Return on Capital Employed Goal will be deemed to have been met regardless of the Company’s actual performance upon (a) the Grantee’s termination of Continuous Service due to (i) an involuntary termination by the Company of the Grantee’s Continuous Service for a reason other than Cause, or (ii) a voluntary termination by the Grantee for Good Reason, or (b) notwithstanding the provisions of Section 11 of the Plan, the occurrence of a Corporate Transaction or Change in Control, each an “Acceleration Event”.

The Performance Units shall remain effective during any leave of absence authorized by the Company; provided, however, that if the leave of absence exceeds six (6) months, and a return to service upon expiration of such leave is not guaranteed by statute or contract, then (a) the Grantee’s Continuous Service shall be deemed to terminate on the first date following such six-month period and (b) the Grantee will forfeit the Performance Units, unless such termination of Continuous Service occurs as a result of any of the events described in (ii) in the preceding paragraph. An authorized leave of absence shall include sick leave, military leave, or other bona fide leave of absence (such as temporary employment by the government).

For purposes of this Agreement, “Good Reason” shall mean any of the following events occurring without the Grantee’s consent: (i) a material reduction in the Grantee’s job responsibilities, provided that neither a mere change in title alone nor reassignment to a position that is substantially similar to the position held prior to the sale of a majority of the Company’s shares shall constitute a material reduction in job responsibilities; (ii) relocation by the Company or an affiliate of the Company, as appropriate, of the Grantee’s work site to a facility or location more than fifty (50) miles from the Grantee’s principal work site for the Company; or (iii) a material reduction in the Grantee’s then-current base salary by at least twenty percent (20%), provided that an across-the-board reduction in the salary level of other employees in positions similar to the Grantee’s by a similar percentage amount as part of a general salary level reduction shall not constitute such a salary reduction; provided, that the Grantee’s Termination of Continuous Service shall be considered for “Good Reason” only if (i) the Grantee provides written notice to the Company of the Good Reason within fifteen (15) days of the initial occurrence of the event constituting Good Reason; (ii) provides the Company with a period of thirty (30) days to cure the event constituting Good Reason; (iii) the Company fails to cure the Good Reason within that period; and (iv) the Grantee has a Termination of Continuous Service within thirty (30) days of the expiration of such cure period.

In the event of the Grantee’s change in status from Employee to any other status of Director or Consultant, and the Performance Units have not vested by means of Normal Vesting or Accelerated Vesting, the Performance Units shall be forfeited. Except as provided otherwise above, in the event the Grantee’s Continuous Service is terminated for any reason, including retiremen4 voluntary departure without reason, death or Disability, any Performance Units held by the Grantee immediately following such termination of Continuous Service shall be deemed reconveyed to the Company and the Company shall thereafter be the legal and beneficial owner of the Performance Units and shall have all rights and interest in or related thereto without further action by the Grantee.

IN WITNESS WHEREOF, the Company and the Grantee have executed this Notice and agree that the Award is to be governed by the terms and conditions of this Notice, the Plan and the Agreement.

American Pacific Corporation,

a Delaware corporation

By:

Title:

THE GRANTEE ACKNOWLEDGES AND AGREES THAT THE PERFORMANCE UNITS SHALL BECOME PAYABLE, IF AT ALL, ONLY DURING THE PERIOD OF THE GRANTEE’S CONTINUOUS SERVICE (NOT THROUGH THE ACT OF BEING HIRED, BEING GRANTED THIS A WARD OR ACQUIRING PERFORMANCE UNITS HEREUNDER). THE GRANTEE FURTHER ACKNOWLEDGES AND AGREES THAT NOTHING IN THIS NOTICE, THE AGREEMENT NOR THE PLAN SHALL CONFER UPON THE GRANTEE ANY RIGHT WITH RESPECT TO CONTINUATION OF THE GRANTEE’S

CONTINUOUS SERVICE, NOR SHALL IT INTERFERE IN ANY WAY WITH THE GRANTEE’S RIGHT OR THE COMPANY’S RIGHT TO TERMINATE THE GRANTEE’S CONTINUOUS SERVICE AT ANY TIME, WITH OR WITHOUT CAUSE, AND WITH OR WITHOUT NOTICE. THE GRANTEE ACKNOWLEDGES THAT UNLESS THE GRANTEE HAS A WRITTEN EMPLOYMENT AGREEMENT WITH THE COMPANY TO THE CONTRARY, THE GRANTEE’S STATUS IS AT WILL.

The Grantee acknowledges receipt of a copy of the Plan and the Agreement and represents that he or she is familiar with the terms and provisions thereof, and hereby accepts the Award subject to all of the terms and provisions hereof and thereof The Grantee has reviewed this Notice, the Agreement and the Plan in their entirety, has had an opportunity to obtain the advice of counsel prior to executing this Notice and fully understands all provisions of this Notice, the Agreement and the Plan. The Grantee hereby agrees that all questions of interpretation and administration relating to this Notice, the Plan and the Agreement shall be resolved by the Administrator in accordance with Section 7 of the Agreement. The Grantee further agrees to the venue selection in accordance with Section 8 of the Agreement. The Grantee further agrees to notify the Company upon any change in the residence address indicated in this Notice.

Dated: Signed:

AMERICAN PACIFIC CORPORATION

2008 STOCK INCENTIVE PLAN

NOTICE OF RESTRICTED STOCK UNIT (PERFORMANCE UNIT) AWARD

1. Issuance of Performance Units. American Pacific Corporation, a Delaware corporation (the “Company”), hereby issues to the Grantee (the “Grantee”) named in the Notice of Restricted Stock Unit (Performance Unit) Award (the “Notice”), the Total Number of Performance Units Awarded set forth in the Notice (the “Performance Units’’), subject to the Notice, this Restricted Stock Unit (Performance Unit) Award Agreement (the “Agreement”) and the terms and provisions of the Company’s 2008 Stock Incentive Plan (the “Plan”), as amended from time to time, which are incorporated herein by reference. Unless otherwise defined herein, the terms defined in the Plan shall have the same defined meanings in this Agreement.

2. Transfer Restrictions. The Performance Units issued to the Grantee hereunder may not be sold, transferred by gift, pledged, hypothecated, or otherwise transferred or disposed of by the Grantee other than by will or by the laws of descent and distribution in the event that a Performance Unit has become vested but has not been paid prior to the Grantee’s death. Any attempt to transfer Performance Units in violation of this Section 2 will be null and void and will be disregarded.

3. Payment of Performance Units.

(a) General. Upon occurrence of Normal Vesting, the Performance Units will be paid in cash within sixty (60) days following the date such Performance Units become payable. Upon the occurrence of Accelerated Vesting, the Performance Units will be paid in cash within thirty (30) days of the Acceleration Event.

(b) Payment Amount. The Payment Amount with respect to any Performance Units shall equal the number of such Performance Units multiplied by the closing price of one share of the Company’s Common Stock as of the date such Performance Unit became vested under the terms of the Notice.

(c) Delay of Payment of Award. Notwithstanding the foregoing provisions of this Section 3, the Company shall have the authority to delay the payment of Performance Units under this Section 3 to the extent it deems necessary or appropriate to comply with Section 409A(a)(2)(B)(i) of the Code (relating to payments made to certain “key employees” of certain publicly-traded companies); in such event, any shares of Common Stock to which the Grantee would otherwise be entitled during the six (6) month period following the date of the Grantee’s termination of Continuous Service will be issued on the first business day following the expiration of such six (6) month period.

4. Taxes.

(a) Tax Liability. The Grantee is ultimately liable and responsible for all taxes owed by the Grantee in connection with the Award, regardless of any action the Company or any Related Entity takes with respect to any tax withholding obligations that arise in connection with the Award. Neither the Company nor any Related Entity makes any representation or undertaking regarding the treatment of any tax withholding in connection with the grant or payment of the Performance Units. The Company and its Related Entities do not commit and are under no obligation to structure the Award to reduce or eliminate the Grantee’s tax liability.

(b) Payment of Withholding Taxes. Prior to any event in connection with the Award that the Company determines may result in any tax withholding obligation, whether United States federal, state, local or non-U.S., including any employment tax obligation (the “Tax Withholding Obligation”), the Grantee must arrange for the satisfaction of the minimum amount of such Tax Withholding Obligation in a manner acceptable to the Company.

(i) By Performance Unit Withholding. The Grantee authorizes the Company to, upon the exercise of its sole discretion, withhold from the amount of the Award payment that would otherwise be payable to such Grantee under Section 3, the amount sufficient to satisfy the minimum applicable Tax Withholding Obligation. The Grantee acknowledges that the amount withheld from the Award payment may not be sufficient to satisfy the Grantee’s minimum Tax Withholding Obligation. Accordingly, the Grantee agrees to pay to the Company or any Related Entity as soon as practicable, including through additional payroll withholding, any amount of the Tax Withholding Obligation that is not satisfied by the withholding of Performance Units described above.

(ii) By Check, Wire Transfer or Other Means. At any time not less than five (5) business days (or such fewer number of business days as determined by the Administrator) before any Tax Withholding Obligation arises, the Grantee may elect to satisfy the Grantee’s Tax Withholding Obligation by delivering to the Company an amount that the Company determines is sufficient to satisfy the Tax Withholding Obligation by (x) wire transfer to such account as the Company may direct, (y) delivery of a certified check payable to the Company, or (z) such other means as specified from time to time by the Administrator.

Notwithstanding the foregoing, the Company also may satisfy any Tax Withholding Obligation by offsetting any amounts (including, but not limited to, salary, bonus and severance payments) due to the Grantee by the Company.

5. Entire Agreement: Governing Law. The Notice, the Plan and this Agreement constitute the entire agreement of the parties with respect to the subject matter hereof and supersede in their entirety all prior undertakings and agreements of the Company and the Grantee with respect to the subject matter hereof, and may not be modified adversely to the Grantee’s interest except by means of a writing signed by the Company and the Grantee. These agreements are to be construed in accordance with and governed by the internal laws of the State of Delaware without giving effect to any choice of law rule that would cause the application of the laws of any jurisdiction other than the internal laws of the State of Delaware to the rights and duties of the parties. Should any provision of the Notice or this Agreement be determined to be illegal or unenforceable, the other provisions shall nevertheless remain effective and shall remain enforceable.

6. Construction. The captions used in the Notice and this Agreement are inserted for convenience and shall not be deemed a part of the Award for construction or interpretation. Except when otherwise indicated by the context, the singular shall include the plural and the plural shall include the singular. Use of the term “or” is not intended to be exclusive, unless the context clearly requires otherwise.

7. Administration and Interpretation. Any question or dispute regarding the administration or interpretation of the Notice, the Plan or this Agreement shall be submitted by the Grantee or by the Company to the Administrator. The resolution of such question or dispute by the Administrator shall be final and binding on all persons.

8. Venue. The parties agree that any suit, action, or proceeding arising out of or relating to the Notice, the Plan or this Agreement shall be brought in the United States District Court for the District of Nevada -Las Vegas (or should such court lack jurisdiction to hear such action, suit or proceeding, in a Nevada state court in the County of Clark) and that the parties shall submit to the jurisdiction of such court. The parties irrevocably waive, to the fullest extent permitted by law, any objection the party may have to the laying of venue for any such suit, action or proceeding brought in such court. If anyone or more provisions of this Section 12 shall for any reason be held invalid or unenforceable, it is the specific intent of the parties that such provisions shall be modified to the minimum extent necessary to make it or its application valid and enforceable.

9. Notices. Any notice required or permitted hereunder shall be given in writing and shall be deemed effectively given upon personal delivery, upon deposit for delivery by an internationally recognized express mail courier service or upon deposit in the United States mail by certified mail (if the parties are within the United States), with postage and fees prepaid, addressed to the other party at its address as shown in these instruments, or to such other address as such party may designate in writing from time to time to the other party.

10. Amendment to Meet the Requirements of Section 409A. The Grantee acknowledges that the Company, in the exercise of its sole discretion and without the consent of the Grantee, may amend or modify this Agreement in any manner and delay the payment of any amounts payable pursuant to this Agreement to the minimum extent necessary to meet the requirements of Section 409A of the Code as amplified by any Internal Revenue Service or U.S. Treasury Department regulations or guidance as the Company deems appropriate or advisable.

END OF AGREEMENT

EXHIBIT A

RETURN ON CAPITAL EMPLOYED “ROCE” CRITERIA

“Return on Capital Employed” or “ROCE” is the ratio of “Adjusted Net Income” over “Capital Employed” as determined by the Administrator in its reasonable discretion for the Performance Period with respect to any Performance Unit. ROCE shall be computed on a consolidated basis for the Company.

The “Performance Period” with respect to any Performance Unit is (i) the two-year period ending on the last day of the fiscal year following the Performance Period Commencement Date.

“Adjusted Net Income” is the average of net income of the Company for each of the two fiscal years in the Performance Period, adjusted (i) to exclude interest expense and other financing related costs, net of tax, and (ii) to take into account other adjustments consistent with the definition of Adjusted EBITDA as applied for the Annual Incentive Compensation Plan, (e.g. remediation charges).

“Capital Employed” is the average assets less current liabilities of the Company over the Performance Period, excluding (a) cash, (b) assets and current liabilities associated with financing activities (e.g. debt issue costs, accrued interest, loans payable, and similar items), and (c) deferred tax assets or current liabilities associated with items of Accumulated Other Comprehensive Income (Loss) on the Company’s balance sheet.

EX-10.31

Exhibit 10.31

SEVERANCE AGREEMENT

This Severance Agreement (the “Agreement”), entered into effective May 7, 2013, is between American Pacific Corporation, a Delaware corporation having its principal place of business at 3883 Howard Hughes Parkway, Suite 700, Las Vegas, Nevada 89169 (the “Company”), and Dave A. Thayer, an individual residing at the address set forth below his signature at the end of this Agreement and currently the President of AMPAC Utah Operations and Vice President of American Pacific Corporation (“Executive”) (collectively, “the parties”).

1. Severance Benefits

Unless Executive’s employment is terminated for Cause or by death or Disability (as defined below), if the Company terminates Executive’s employment:

(a) The Company, in an attempt to ease Executive’s transition, and upon receipt of a mutually satisfactory release of potential claims against the Company, shall pay Executive all compensation due and owing through the last day actually worked, and shall continue to pay to Executive, in accordance with the Company’s then effective payroll practices, Executive’s then effective base salary (but not any employee benefits), less applicable withholding, for a period of three (3) years from the date the employment relationship with the Company terminates (the “Termination Date”); provided, however, that such payments by the Company shall be offset, during the third year following the Termination Date, by income paid to Executive by another employer other than the Company, which income Executive shall promptly report to the Company. For the avoidance of doubt, for purposes of this Section 1(a), base salary shall not include any perquisites or similar benefits provided to Executive prior to the Termination Date, including, without limitation, any automobile allowance, club membership or right to use aircraft otherwise provided by the Company for the use by the Company’s executives.

(b) If Executive elects to convert his Company group health coverage under COBRA, the Company will pay Executive’s COBRA premiums until the earlier of (1) the eighteenth (18th) month anniversary of the Termination Date or (2) Executive becomes covered by another employer’s group health plans.

(c) All shares of restricted stock granted to Executive, all unexercised options to purchase Company common stock and any other equity awards of the Company, in each case that are unvested at the time of such termination of employment of Executive, shall become, immediately prior to the Termination Date, fully vested and, as applicable, exercisable.

(d) The payments and benefits described in this Section 1 shall be conditioned upon Executive’s continued compliance with the material obligations described in this Agreement. Should Executive violate any such obligations, as determined by the Company in good faith, all further payment obligations shall cease.

2. Other Terminations

(a) Termination by Company for Cause. At any time, and without prior notice, the Company may terminate Executive’s employment for Cause (as defined below). In such case, the Company shall pay Executive all compensation then due and owing; thereafter, all of the Company’s obligations under this Agreement shall cease. Termination for “Cause” shall mean termination of Executive’s employment because of Executive’s (i) involvement in fraud, misappropriation or embezzlement related to the business or property of the Company and/or its subsidiaries or affiliates; (ii) conviction for, or guilty or “no contest” plea to, a felony; and/or (iii) a pattern of failure to substantially perform his duties to the Company, provided, however, that if such Cause is reasonably curable, the Company shall not terminate Executive’s employment unless the Company first gives notice of its intention to terminate and the grounds of such termination, and Executive has not, within thirty (30) days following receipt of such notice, cured such Cause, to the satisfaction of the Company.

(b) Termination by Executive. At any time, Executive may terminate his employment with the Company for any reason, for any or no reason, by providing the Company thirty (30) days’ advance written notice. The Company shall have the option, in its complete discretion, to make such termination of employment effective at any time prior to the end of such notice period, provided that the Company pays Executive all compensation due and owing through the last day actually worked, plus an amount equal to the then effective base salary, less applicable withholding, Executive would have earned through the balance of the above notice period; thereafter, all of the Company’s obligations under this Agreement shall cease.

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(c) Termination by Death. If Executive shall die while still an employee of the Company, Executive’s employment with the Company shall be deemed to have terminated upon the date of death of Executive. The Company shall pay to Executive’s beneficiaries or estate, as appropriate, compensation then due and owing as of the date of death, and shall continue to pay Executive’s salary and benefits (to the extent consistent with the terms of the relevant benefit plan), through the second full month after Executive’s death. As of the date of death, all unvested stock options or other equity awards granted to Executive to the date of death shall become fully vested and, as applicable, exercisable, and may be exercised by the appropriate representative of Executive’s estate. Thereafter, all obligations of the Company under this Agreement shall cease. Nothing in this Section 2(c) shall affect any entitlement of Executive’s heirs to the benefits of any life insurance, vested funds in plans governed by provisions of state or federal laws, including but not limited to 401(k), deferred compensation, pension, or other similar employee benefit plans.

(d) Termination by Disability. If, in the sole opinion of the Company, Executive shall suffer a Disability (as defined below), and, to the extent permitted by law, the Company shall terminate Executive’s employment, the Company shall pay to Executive all compensation to which Executive is entitled through the last day of the month in which Executive has been determined to have a Disability, and, thereafter, there shall be no other obligations of the Company under this Agreement. Nothing in this Section 2(d) shall affect Executive’s rights under any disability plan in which he is a participant. For purposes of this Agreement, “Disability” shall mean (i) Executive’s inability to engage in any substantial gainful activity by reason of any medically determinable physical or mental impairment which can be expected to result in death or can be expected to last for a continuous period of not less than twelve (12) months, or (ii) Executive’s receipt, by reason of any medically determinable physical or mental impairment which can be expected to result in death or can be expected to last for a continuous period of not less than twelve (12) months, of income replacement benefits for a period of not less than three (3) months under an accident and health plan covering employees of the Company.

3. Termination of Employment Following Corporate Transition

(a) Corporate Transition Defined. For purposes of this Agreement, a “Corporate Transition” shall include any of the following transactions to which the Company is a party: (A) a merger or consolidation in which the Company is not the surviving entity and securities representing more than fifty percent (50%) of the total combined voting power of the Company’s outstanding securities are transferred to a holder different from those who held such securities immediately prior to such merger; (B) the sale, transfer or other disposition of all or substantially all of the assets of the Company in liquidation or dissolution of the Company; (C) any reverse merger in which the Company is the surviving entity but in which securities representing more than fifty percent (50%) of the total combined voting power of the Company’s outstanding securities are transferred to a holder(s) different from those who held such securities immediately prior to such merger; or (D) any cash dividend paid by the Company that, in the aggregate with all other dividends paid in any twelve month period, is greater than the combined earnings of the Company for the Company’s two fiscal years prior to such dividend payment date. In addition, a Corporate Transition shall also include a “Change in Control” as such term is defined in the Company’s 2008 Stock Incentive Plan. None of the foregoing events, however, shall be considered a Corporate Transition under this Agreement unless the event also qualifies as a change in the ownership or effective control of the Company, or a change in the ownership of a substantial portion of the assets of the Company, under Section 409A(a)(2)(A)(v) of the Internal Revenue Code of 1986, as amended, the regulations thereunder, and any other published interpretive authority, as issued or amended from time to time. Except as provided otherwise in this Section 3, in the event of a Corporate Transition, the provisions of Section 1 and Section 2(b) above shall not apply.

(b) Acceleration of Vesting at Time of Corporate Transition. Should a Corporate Transition take place, all unvested shares of restricted stock granted to Executive, all unvested and unexercised options to purchase Company stock granted to Executive, and all other unvested equity awards under the 2008 Stock Incentive Plan or similar employee benefit plan, in each case at the time of the Corporate Transition, shall become, immediately prior to such Corporate Transition, fully vested and, as applicable, exercisable.

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(c) Severance Benefits in the Event of Termination Following Corporate Transition. In the event of Executive’s termination, other than for Cause or by death or Disability, following a Corporate Transition, and upon receipt of a mutually satisfactory release of potential claims against the Company and any successor, Executive shall be entitled to the payments and benefits described in Sections 1(a) and 1(b) above. Such payments and benefits shall be conditioned upon Executive’s continued compliance with the material obligations described in this Agreement. Should Executive violate any such obligations, as determined by the Company in good faith, all further obligations shall cease.

4. Termination Obligations

(a) Return of Company’s Property. Executive hereby acknowledges and agrees that all personal property, including, without limitation, all books, manuals, records, reports, notes, contracts, lists, blueprints, and other documents, or materials, or copies thereof, and equipment, furnished to or prepared by Executive in the course of or incident to Executive’s employment, belong to the Company and shall be promptly returned to the Company upon termination of Executive’s employment.

(b) Representations and Warranties Survive Termination of Employment. The representations and warranties contained herein shall survive termination of Executive’s employment and expiration of this Agreement.

(c) Cooperation in Pending Work. Following termination of Executive’s employment with the Company for any reason, Executive shall fully cooperate with the Company in all matters relating to the winding up of pending work on behalf of the Company and the orderly transfer of work to other employees of the Company. Executive shall also cooperate in the defense of any litigation, whether judicial or administrative, brought by any third party against the Company that relates in any way to Executive’s knowledge, acts or omissions or duties while employed by the Company. If Executive’s cooperation in the defense of any such action requires more than ten (10) hours of Executive’s time, Executive and the Company shall agree on appropriate remuneration for Executive’s time and expenses.

(d) Post-Employment Obligations. Executive acknowledges and agrees that during his employment with the Company, he has had, and will have, access to Confidential Information (as defined below) and the activities forbidden by this subsection would necessarily involve the improper use and disclosure of this Confidential Information.

(1) To forestall this use or disclosure, Executive agrees that during the period described in Section 1(a) or Section 3(c) when payments to Executive are being made, or for two years after the termination of Executive for Cause or by Disability, Executive shall not, directly or indirectly, (i) divert or attempt to divert from the Company (or any affiliate thereof) any business of any kind in which the Company (or any affiliate thereof) is engaged at the time the Executive’s employment terminates; or (ii) employ or recommend for employment any person employed by the Company (or any affiliate thereof), unless Executive can prove that any of the above actions was done without the use of Confidential Information.

(2) In addition to the above restrictions on competitive activity, and regardless of whether any use of Confidential Information is involved, Executive agrees that during the payment period referred to in Section 1(a) or 3(c) Executive shall not, directly or indirectly, (i) solicit any Customer of the Company (or any affiliate thereof) known to Executive (while he was employed by the Company) to have been a Customer with respect to products offered by the Company; or (ii) solicit for employment any person employed by the Company (or any affiliate thereof). For purposes of this subsection (d)(2) “Customer” shall mean a person or entity that within the twelve months immediately preceding Executive’s termination of employment, purchased or placed orders for a product made or to be made by the Company, having an aggregate price for a single product of greater than $2,000,000.

(e) Restriction on Use of Proprietary and Confidential Information. Following termination of employment with the Company for any reason, Executive shall neither, directly or indirectly, use any Proprietary Information (as defined below) nor disclose any Confidential Information (as defined below), except as expressly and specifically authorized in writing by the Company. The disclosure or publication, whether to an individual employed by the Company or not, of any Proprietary Information, through literature, speeches or discussion, must be approved in advance in writing by the Company.

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(f) Proprietary and Confidential Information Defined. “Proprietary Information” is all information and any idea in whatever form, tangible or intangible, pertaining in any manner to the business of the Company and its subsidiaries and affiliates, or any of their employees, clients, consultants, or business associates, which was produced by any employee of the Company or its subsidiaries or affiliates, in the course of his employment or otherwise produced or acquired by or on behalf of the Company or its subsidiaries or affiliates. All Proprietary Information not generally known outside of the Company’s organization, and all Proprietary Information so known only through improper means, shall be deemed “Confidential Information.” Without limiting the foregoing definition, Proprietary and Confidential Information shall include, but not be limited to: (i) formulas, teaching and development techniques, processes, trade secrets, computer programs, electronic codes, inventions, improvements, and research projects; (ii) information about costs, profits, markets, and sales; (iii) customer lists, records of customer services, usages and requirements, sketches and diagrams of the Company’s or customers’ facilities, and similar records; (iv) business, marketing, and strategic plans; and (v) employee personnel files and compensation information. All information disclosed to Executive or to which Executive obtains access during Executive’s employment with the Company, or to which Executive obtains access by reason of his employment by the Company, that Executive has a reasonable basis to believe is or may be Confidential Information, shall be presumed to be Confidential Information. Executive should consult any Company procedures instituted to identify and protect certain types of Confidential Information, which are considered by the Company to be safeguards in addition to the protection provided by this Agreement. Nothing contained in those procedures or in this Agreement is intended to limit the effect of the other.

5. 409A Provisions

This Agreement is intended to comply with the provisions of Section 409A of the Internal Revenue Code of 1986, as amended (the “Code”), and shall be construed accordingly; provided, however, that the Company makes no representation that the amounts or benefits payable under this Agreement will comply with Code Section 409A and makes no undertaking to prevent Code Section 409A from applying to any amounts or benefits payable under this Agreement, or to mitigate its effects on any amounts or benefits payable under this Agreement. The payment of any amounts or benefits under this Agreement shall be delayed to the extent necessary to comply with Section 409A(a)(2)(B)(i) of the Code (relating to payments made to certain “specified employees” of certain publicly-traded companies) and in such event, any such amount to which Executive would otherwise be entitled during the six (6) month period immediately following his termination of employment will be paid on the first business day following the expiration of such six (6) month period. For all purposes under this Agreement, “Termination Date”, “termination of employment” and “terminate(s)” shall mean the occurrence of a “separation from service” as that term is defined in Code Section 409A(a)(2)(A)(i) and Treas. Regs. Section 1.409A-1(h), and as amplified by any other official guidance.

6. Notices

All notices or other communications required or permitted hereunder shall be made in writing and shall be deemed to have been duly given if delivered by hand or mailed, postage prepaid, by certified or registered mail, return receipt requested, and addressed to the Company:

American Pacific Corporation

Attention: Chief Executive Officer

3883 Howard Hughes Parkway, Suite 700

Las Vegas, Nevada 89169

and addressed to Executive at Executive’s address as set forth on the signature page to this Agreement.

Executive and the Company shall be obligated to notify the other party of any change in address. Notice of a change of address shall be effective only when made in accordance with this Section 6.

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7. Entire Agreement

This Agreement is intended to be the final, complete, and exclusive statement of the terms of Executive’s rights to severance from the Company, and specifically supersedes that certain Notice of Eligibility to the Executive dated January 24, 2007, with respect to the Ampac Fine Chemicals LLC Severance Pay Plan. Except for any stock option agreements, this Agreement supersedes all other prior and contemporaneous agreements and statements pertaining in any manner to its subject matter and it may not be contradicted by evidence of any prior or contemporaneous statements or agreements. To the extent that the practices, policies, or procedures of the Company, now or in the future, apply to Executive and are inconsistent with the terms of this Agreement, the provisions of this Agreement shall control.

8. Amendments, Waivers

This Agreement and the terms and conditions herein may not be modified, amended, or waived except by an instrument in writing, signed by Executive and by the Company’s Chief Executive Officer pursuant to authorization of the Board of Directors or the Corporate Governance Committee thereof (or such other committee of the Board of Directors acting as the compensation committee of the Board of Directors). No failure to exercise and no delay in exercising any right, remedy, or power under this Agreement shall operate as a waiver thereof, nor shall any single or partial exercise of any right, remedy, or power under this Agreement preclude any other or further exercise thereof, or the exercise of any other right, remedy, or power provided herein or by law or in equity.

9. Assignment; Successors and Assigns

Executive agrees that he will not assign, sell, transfer, delegate or otherwise dispose of, whether voluntarily or involuntarily, or by operation of law, any rights or obligations under this Agreement, nor shall Executive’s rights be subject to encumbrance or the claims of creditors. Any purported assignment, transfer, or delegation shall be null and void. Nothing in this Agreement shall prevent the consolidation of the Company with, or its merger into, any other corporation or other legal entity, or the sale by the Company of all or substantially all of its properties or assets, or the assignment by the Company of this Agreement and the performance of its obligations hereunder to any successor in interest. In the event of a change in ownership or control of the Company, the terms of this Agreement will remain in effect and shall be binding upon any successor in interest. Notwithstanding and subject to the foregoing, this Agreement shall be binding upon and shall inure to the benefit of the parties and their respective heirs, legal representatives, successors, and permitted assigns, and shall not benefit any person or entity other than those enumerated above.

10. Severability; Enforcement

If any provision of this Agreement, or the application thereof to any person, place, or circumstance, shall be held by a court of competent jurisdiction to be invalid, unenforceable, or void, the remainder of this Agreement and such provisions as applied to other persons, places, and circumstances shall remain in full force and effect.

11. Governing Law

The validity, interpretation, enforceability, and performance of this Agreement shall be governed by and construed in accordance with the law of the State of Nevada.

12. Arbitration

Any claim or controversy between Executive and the Company or its successor arising under or in connection with this Agreement shall be settled by arbitration in accordance with the then current Employment Dispute Resolution Rules of the American Arbitration Association and shall be the exclusive remedy for all arbitrable claims. The Company and Executive agree that arbitration shall be held in or near Clark County, Nevada, before an arbitrator licensed to practice law in the State of Nevada. The arbitrator shall have authority to award or grant legal, equitable, and declaratory relief. Such arbitration shall be final and binding on the parties. The Federal Arbitration Act shall govern the interpretation and enforcement of this section pertaining to arbitration.

This Agreement to arbitrate shall survive termination of Executive’s employment with the Company.

In any dispute arising under or in connection with this Agreement, the prevailing party shall be entitled to recover all costs and reasonable attorney’s fees.

5

In the event Executive elects to file suit over a dispute covered by this Section 12, the Company shall have the option to seek an order from any court of competent jurisdiction, or proceed to defend the case filed by Executive, who agrees herein to waive trial by jury and proceed to a trial by judge without jury.

13. Acknowledgment of Parties

The parties acknowledge (a) that they have consulted with or have had the opportunity to consult with independent counsel of their own choice concerning this Agreement, and (b) that they have read and understand the Agreement, are fully aware of its legal effect, and have entered into it freely based on their own judgment and not on any representations or promises other than those contained in this Agreement.

14. Execution of Agreement

This Agreement may be signed by the parties hereto in counterparts, each of which shall be deemed an original and all of which, together, shall constitute one and the same agreement.

IN WITNESS WHEREOF, the parties hereto have executed this Agreement as of the day and year first above written.

AMERICAN PACIFIC

CORPORATION

/s/ JOSEPH CARLEONE

Name:   Joseph Carleone

Title:     Chairman, President and CEO

/s/ DAVE A. THAYER

Name:      Dave A. Thayer

Address:   P. O. Box 1102

                 Parowan, UT 84761

6

EX-10.32

Exhibit 10.32

THIRD AMENDMENT TO

AMPAC FINE CHEMICALS LLC PENSION PLAN

FOR BARGAINING UNIT EMPLOYEES

The Ampac Fine Chemicals LLC Pension Plan for Bargaining Unit Employees is hereby amended as follows:

Appendix A is amended to read as follows effective June 16, 2013:

APPENDIX A

EMPLOYEE UNIT:	Ampac Fine Chemicals LLC
	Sacramento, California
	International Association of Machinists &
	Aerospace Workers, Local #946

BENEFIT FACTOR:

Date of Last Employment in Employee Unit	Benefit Factor
On or after December 1, 2005 And before June 15, 2007	$	53.00
On or after June 15, 2007 And before June 15, 2011	$	58.00
On or after June 15, 2011 And before June 15, 2012	$	61.00
On or after June 15, 2012 And before June 16, 2013	$	63.00
On or after June 16, 2013	$	66.00

IN WITNESS WHEREOF, American Pacific Corporation has caused this instrument to be executed this 1st day of July, 2013.

1

	American Pacific Corporation
ATTEST: (SEAL)	By:	/s/ JOSEPH CARLEONE

2

EX-10.33

Exhibit 10.33

CONSULTING AGREEMENT

This Consulting Agreement (the “Agreement”) is made and entered into this 14th day of November, 2013, by and between American Pacific Corporation, a Delaware corporation having its principal place of business at 3883 Howard Hughes Parkway, Suite 700, Las Vegas, Nevada 89169 (the “Company”), and Discovery Partners International LLC, a Virginia limited liability company having its principal place of business at 1818 South Lynn Street, Arlington, Virginia 22202 (the “Consultant”).

RECITALS:

A. The Company, through its subsidiaries, is engaged in the manufacture of specialty chemicals, including perchlorate chemicals, sodium azide and Halotron fire suppression agents, and is engaged in the design and manufacture of environmental protection products, and the development, scaling up and production of active pharmaceutical ingredients and intermediates for the pharmaceutical industry.

B. The Consultant provides strategic thinking, risk management and decision support to the aerospace industry and its Managing Partner, William F. Readdy, was employed by NASA and currently is a member of the board of directors of the Company.

C. The Consultant is willing to agree to provide consulting services to the Company, upon the terms and conditions set forth in this Agreement.

Now, therefore, in consideration of promises and agreements herein contained, and intending to be legally bound, the Company and the Consultant agree as follows:

Provision of Consulting Services. The Company and the Consultant agree that, for a term commencing on the Commencement Date and continuing thereafter throughout the period of time provided in this Agreement, the Company may retain the Consultant to provide, and the Consultant will provide upon request, consulting services to or for the Company on an as-needed and as requested by the Company basis. The person authorized to request on behalf of the Company the performance of such consulting services is Joseph Carleone. The Consultant shall deliver to the Company any materials, work product and other deliverables resulting from or required by the services provided by the Consultant hereunder, including any such deliverables agreed by the parties to be provided. The Consultant shall deliver the deliverables when and as agreed by the parties. Upon delivery to the Company of any deliverables, the Company shall have the opportunity to review such deliverables and report to the Consultant the results of the review and the Consultant shall make changes reasonably requested by the Company within a reasonable time period from the Company’s request. The process of review described in this Section shall continue until the Company accepts the deliverables. During performance of the services provided under this Agreement, the Consultant shall, from time to time as requested by the Company, provide the Company with copies of or access to drafts, work in progress and other materials relating to such services.

Scope of Services. After the Commencement Date, the Consultant will provide from time to time such consulting services to the Company as the Company may request, and that the Consultant shall be willing and able to provide. The Consultant shall provide the services agreed to by the parties. The Consultant shall at all times perform its duties and discharge its responsibilities under this Agreement diligently and conscientiously, and to the best of its ability, and shall direct its best efforts to further and maximize the business and interests of the Company and its stockholders, in accordance with sound business practices and applicable laws and regulations. The Consultant shall render the services in a timely and professional manner consistent with industry standards and in accordance with this Agreement. The Consultant may not subcontract or otherwise delegate its obligations under this Agreement without the Company’s prior written consent. Subject to compliance with the Consultant’s obligations hereunder, the Consultant shall retain the sole control and discretion to determine the methods by which the Consultant performs the services and the places at which, the equipment and supplies with which, and the hours during which such services are to be rendered.

Conflicts of Interest. The Consultant agrees for itself and all affiliates and employees that, during the term of this Agreement, it and its affiliates and employees shall not act in any advisory or other capacity for any individual, firm, association or corporation other than the Company in matters in any way pertaining to any business or undertaking in any way similar to or competitive with the business or activities of the Company.

Commencement of Consulting Services. This Agreement will become effective, and the provision of consulting services to be provided by the Consultant hereunder will commence, on the date first set forth above (the “Commencement Date”).

Term and Termination of Agreement. This Agreement shall have a term of two years (2) years from the Commencement Date and the Consultant’s service as a consultant, hereunder shall terminate on the second anniversary of the Commencement Date, or earlier, upon the first to occur of the following events:

The Company’s written notice of its election to terminate the Consultant’s service as a consultant due to the material breach by the Consultant of any of the Consultant’s covenants under this Agreement, including, but not limited to, those covenants set forth in Sections 7 through 9 hereof; or

Written notice from the Consultant that the Consultant elects to discontinue its service as a consultant to the Company.

Compensation. In consideration of the services to be provided by the Consultant pursuant to this Agreement, the Company shall pay to the Consultant $2,500.00 per day for each full day of consulting service to or for the Company (for the avoidance of doubt, a “full day” shall constitute at least eight (8) hours of a calendar day of such service to or for the Company), or as otherwise agreed in writing by the parties, provided, however, that in no event shall the Company be obligated to, or otherwise pay, to Consultant aggregate compensation in any fiscal year of the Company in excess of $120,000 without the Company’s express prior written approval to the Consultant to provide such service in excess of such amount. It is expected that the Consultant will provide approximately three to four days of consulting service per month. Unless otherwise agreed by the parties, payment for consulting service to or for the Company, if reasonably satisfactory to the Company, shall be due thirty (30) days from receipt by the Company of the Consultant’s invoice therefor.

2

The Company shall reimburse the Consultant for all reasonable expenses of its employees incurred in connection with providing consulting services to the Company, such as economy travel to and from the Company’s offices or facilities, hotel, rental car, meals and other reasonable incidental business expenses.

The Consultant acknowledges and agrees that it shall be the Consultant’s obligation to report as income all compensation received by the Consultant pursuant to this Agreement and to pay any withholding taxes, self-employment taxes, and social security, unemployment or disability insurance or similar items, including interest and penalties thereon, in connection with any payments made to the Consultant by the Company. The Consultant shall indemnify, hold harmless and, at the Company’s discretion, defend the Company against any and all liability related thereto, including, without limitation, any taxes, penalties and interest the Company may be required to pay as a result of the Consultant’s failure to report such compensation or make such payments.

Noncompetition. The Consultant shall not at any time during the period of the Consultant’s service to the Company as a consultant or for a period of two years thereafter render any services, directly or indirectly for any Competitor (as defined below) of the Company.

The Consultant shall not, at any time during the period of the Consultant’s service to the Company as a consultant or for a period of two years thereafter, influence or attempt to influence, either directly or indirectly, any employee of the Company or of any affiliated entity to leave or terminate such individual’s employment with the Company or with any affiliate of the Company.

The Consultant shall not, at any time during the period of the Consultant’s service to the Company as a consultant or for a period of two years thereafter, influence or attempt to influence, either directly or indirectly, any customer or client of the Company or of any affiliated entity to discontinue purchasing or using the products or services of, or to cancel or fail to renew a contract with, the Company or any affiliate of the Company.

For purposes of this Agreement, the term “Competitor” shall mean any person, whether an individual or entity (including the Consultant), that at any time is directly or indirectly (for example, through an affiliated or controlled individual or entity) engaged in or about to engage in the manufacture of pharmaceutical active or intermediate products, perchlorate chemicals, sodium azide, fire suppression agents competitive with Halotron fire suppression agents, or environmental protection products competitive with those designed or manufactured by the Company or any of its subsidiaries.

3

The Consultant agrees and acknowledges that the breach by the Consultant of any of the provisions of this Section will cause the Company irreparable damage, that the remedy at law for any such breach could be inadequate, and that the Company, in addition to any other relief available to it, shall be entitled to appropriate temporary and permanent injunctive relief restraining the consultant from committing or continuing such breach, without the necessity of providing a bond or other security or of proving actual damages. The Consultant agrees to pay all costs and attorneys’ fees incurred by the Company in obtaining such injunctive or other relief.

Confidential Information.

The Consultant shall never, either during the period of the Consultant’s service to the Company as a consultant or thereafter, use or employ for any purpose or disclose to any other individual or entity any Confidential Information (as defined below). The Consultant acknowledges and agrees that all Confidential Information is proprietary to the Company, is extremely important to the Company’s business, and that the use by or disclosure of such Confidential Information to a Competitor could materially and adversely affect the Company, its business and its customers.

Upon any termination of the period of the Consultant’s service to the Company, the Consultant shall leave with or return immediately to the Company any and all records and any and all compositions, articles, devices and other similar or related items that disclose or contain any Confidential Information, including all copies or specimens thereof, whether in the Consultant’s possession or under the Consultant’s control, or whether prepared by the Consultant or by others. For purposes of this Agreement, the term “Company” shall refer to the Company and each of its subsidiaries, and to any other corporation or entity that is owned or controlled, directly or indirectly, by the Company or that is under common ownership or control with the Company. For purposes of this Agreement, the term “Confidential Information” shall mean information, ideas and materials in any form that are not generally known to the public that (i) relate to (A) the Company, including its customers, suppliers, vendors, employees, consultants, contractors and other persons with which the Company may have relationships (“Related Persons”), or (B) the Company’s past, present or future operations, processes, products or services, or to any research, development, manufacture, purchasing, accounting, engineering, marketing, merchandising, advertising, selling, leasing, financing or business methods or techniques (including without limitation customer lists, records of customer services, usages and requirements, sketches and diagrams of Company or customer facilities and like and similar information relating to actual or prospective customers) that is or may be related thereto, or (ii) the Consultant received from or are made accessible by the Company or its Related Persons (including its or their facilities or equipment). All information disclosed to the Consultant or to which the Consultant obtains access during any period of the Consultant’s service to the Company, whether pursuant to this Agreement or otherwise, or to which the Consultant obtains access by reason of any such service to the Company, that the Consultant has a reasonable basis to believe is or may be Confidential Information, shall be presumed for purposes of this Agreement to be Confidential Information.

The Consultant shall not breach any agreements to keep in confidence, or to refrain from using, the confidential or proprietary information, ideas or materials (including the trade secrets) of any third party, including another existing or former client or customer. The consultant shall not provide to the Company any information, ideas or materials of any third party, in the Work Product (as defined below) or otherwise, nor shall the Consultant use any such information, ideas or materials in its activities for the Company, without the prior written consent of the Company and such third party.

4

Inventions.

Immediately upon its discovery or completion, the Consultant shall promptly and fully disclose each Invention (as defined below) in writing to the Company. The Consultant shall make this disclosure regardless of whether an Invention is discovered, conceived or completed by the Consultant alone or jointly with others, and regardless of whether or not the Invention is discovered, conceived or completed in furtherance of the Consultant’s service to or for the Company, whether pursuant to this Agreement or otherwise, and regardless of whether or not the Invention was discovered, conceived or completed during normal working hours or on the premises of the Company.

The Consultant hereby irrevocably assigns and agrees to assign to the Company, without additional consideration, all right, title and interest in and to all work product and all of the Consultant’s right, title and interest in and to all Inventions, in each case whether currently existing or later developed, created, reduced to practice or prepared, including, without limitation, all intellectual property and proprietary rights related thereto, whether existing now or in the future. The Consultant hereby irrevocably assigns and agrees to assign to the Company, without additional consideration, all letters patent or copyrights or applications therefor at any time granted or made, whether in the United State of America or in any foreign nation, upon or with respect to any Invention. All Work Product and all intellectual property rights relating thereto, as well as all Inventions to the extent assigned hereunder, shall be the sole property of the Company, with the Company having the right to obtain and hold in its own name all such Work Product and intellectual property rights and other Inventions. Such ownership and assignment shall be effective immediately upon the development, creation, conception, reduction to practice or preparation of the Work Product or intellectual property rights.

The Consultant shall from time to time execute, acknowledge and deliver promptly to the Company (without charge to the Company but at the expense of the Company) such written instruments and documents, and shall take such other and further action with respect to any invention, as may be necessary or desirable in order to enable the Company to obtain and maintain patents and/or copyrights therein, or to vest the entire right title and interest thereto in the Company.

The Consultant shall not assert any rights under any Inventions as having been made or acquired by the Consultant prior to the commencement of the Consultant’s service to the Company. For purposes of this Agreement, the term “Inventions” means discoveries, developments, improvements and ideas (whether or not shown or described in writing or reduced to practice) and works of authorship (including computer software), whether or not patentable or copyrightable: (i) that are or may be related to the manufacture of perchlorate chemicals, sodium azide, fire suppression agents competitive with Halotron fire suppression agents, active pharmaceutical ingredients and intermediates for the pharmaceutical industry, or environmental protection products competitive with those designed or manufactured by the Company and its subsidiaries, or to any research, development, manufacture, purchasing, accounting, engineering,

5

marketing, merchandising, advertising, selling, leasing, financing or business methods or techniques or any improvements to any of the foregoing; (ii) that relate to the Company’s actual or demonstrably anticipated research or development with respect to any of the foregoing; (iii) that result from any services at any time performed by the Consultant for the Company, whether pursuant to this Agreement or otherwise; (iv) for which equipment, supplies, facilities or trade secret information of the Company is used; or (v) that are developed on any Company time with respect to any activity referred to above. For purposes of this Agreement, the term “Inventions” shall include all “Work Product” which shall mean all materials, information and ideas (including, without limitation, documentation, reports and other copyrightable works) that are delivered or made available to the Company, or are developed, created, conceived, reduced to practice or prepared by or for the Consultant (alone or with others), (a) during the term of this Agreement (whether or not during regular business hours) in connection with the services rendered by the Consultant to the Company, or (b) if based on Confidential Information or derived or resulting from any Work Product, during the term or after termination of this Agreement.

Survivial. The Consultant’s obligations set forth in Sections 7 through 9 hereof shall survive the expiration or other termination of this Agreement and the period of the Consultant’s service to the Company.

Notices. Any notice permitted or required to be given pursuant to this Agreement shall deemed to have been given when appropriate notice thereof has been validly given or served in writing and delivered personally or sent by registered or certified mail, postage prepaid, to the following address:

If to the Company or to any American Pacific Corporation subsidiary thereof:

	3883 Howard Hughes Parkway, Suite 700,
	Las Vegas, Nevada 89169
If to the Consultant, to:	The Consultant’s address as
	set forth on the signature page to this Agreement

Or to such other addresses as either party may hereafter designate to the other in writing pursuant to the terms of this Section.

Governing Law. This Agreement is made and entered into, and is executed and delivered, in Clark County, Nevada, and shall be construed and enforced in accordance with and shall be governed by the laws of the State of Nevada.

Entire Understanding. This Agreement constitutes the entire understanding and agreement between the Company and the Consultant with regard to all matters herein, and there are no other agreements, conditions, or representations, oral or written, expressed or implied, with regard thereto other than as referred to herein. This Agreement may be amended only in writing, signed by both parties hereto.

6

Severability. If any term or provision of this Agreement shall be held to be invalid or unenforceable for any reason, such term or provision shall be ineffective to the extent of such invalidity or unenforceability without invalidating the remaining terms and provisions hereof, and this Agreement shall be construed as if such invalid or unenforceable term or provision has not been contained herein.

Successors. This Agreement shall be binding upon and inure to the benefit of the parties hereto and their respective heirs, administrators, executors, and successors. Neither party may assign any of its rights hereunder, except that the Company and any subsidiary thereof may assign its rights and delegate its duties hereunder to any entity that succeeds (whether by merger, purchase or otherwise) to all or substantially all of the assets or business of the Company or any subsidiary thereof, as applicable.

Consent to Jurisdiction. The Consultant agrees that any action or proceeding to enforce, or that arises out of, this Agreement may be commenced and maintained in the district courts of the State of Nevada, or in the United States District Court for the District of Nevada, and the Consultant hereby waives any objection to the jurisdiction of said courts in any litigation arising hereunder on the basis that such court is an inconvenient forum or otherwise.

Attorneys’ Fees. In the event that this Agreement is breached by either party, the breaching party shall be liable for all costs and attorneys’ fees incurred by the non-breaching party as a result of the breach or in enforcing the terms of this Agreement.

Representations and Warranties; Indemnification; Limitation of Liability. The Consultant represents, warrants and covenants that (a) the Consultant has the right to grant the rights and assignments granted herein, without the need for any assignments, releases, consents, approvals, immunities or other rights not yet obtained, (b) the Work Product and the use and exploitation of such Work Product do not and will not infringe, misappropriate or violate any patent, copyright, trademark, trade secret, publicity, privacy or other rights of any third party, and are not and shall not be defamatory or obscene, and (c) neither the Work Product nor any element thereof nor any intellectual property rights assigned hereunder shall be subject to any restrictions or to any mortgages, liens, pledges, security interests, encumbrances or encroachments. The Consultant shall indemnify, hold harmless and, at the Company’s discretion, defend the Company against any and all claims that would, if true, constitute a breach of the foregoing representations, warranties and covenants and any related damages and other liability (including reasonable attorneys’ fees incurred by the Company in connection with the claims). To the extent permitted by applicable law: (i) in no event shall the Company be liable under any legal theory for any special, indirect, consequential, exemplary or incidental damages, however caused, arising out of or relating to this Agreement, even if the Company has been advised of the possibility of such damages; and (ii) in no event shall the Company’s aggregate liability arising out of or relating to this Agreement (regardless of the form of action giving rise to such liability, whether in contract, tort or otherwise) exceed the fees payable by the Company hereunder.

7

Relationship of Parties. This Agreement shall not be construed as creating an agency, partnership, joint venture or any other form of association, for tax purposes or otherwise, between the parties; and the parties shall at all times be and remain independent contractors. Except as expressly agreed by the parties in writing, neither party shall have any right or authority, express or implied, to assume or create any obligation of any kind, or to make any representation or warranty, on behalf of the other party or to bind the other party in any respect whatsoever. Neither party shall have any obligation or duty to the other party except as expressly and specifically set forth herein, and no such obligation or duty shall be implied by or inferred from this Agreement or the conduct of the parties hereunder. The Consultant shall not be entitled to any of the benefits that, the Company may make available to its employees, such as group health, life, disability or worker’s compensation insurance, profit-sharing or retirement benefits, and the Company shall not withhold or make payments or contributions therefor or obtain such protection for the Consultant. The Consultant shall be solely responsible for all tax returns and payments required to be filed with or made to any federal, state or local tax authority with respect to the Consultant’s performance of services and receipt of fees under this Agreement.

Binding on Employees, Etc. The requirements of this Agreement, including, without limitation, the terms and conditions relating to confidentiality, deliverables, and ownership, assignment of Work Product and intellectual property rights, shall be (and Consultant shall cause such requirements to be) binding on any affiliates of the Consultants and on its and their owners, employees, contractors and consultants and any other persons who may assist the Consultant in the performance of the services hereunder.

Counterparts. This Agreement may be executed in one or more counterparts, each of which shall constitute an original.

IN WITNESS WHEREOF, the parties thereto have executed this Agreement as of the day and year first above written.

“Company” American Pacific Corporation, a Delaware corporation
By:	/s/ Linda Ferguson
Title: Vice President, Administration

“Consultant” Discovery Partners International, LLC, a Virginia limited liability company
By:	/s/ William Readdy
Title: Managing Partner

8

EX-21

EXHIBIT 21

SUBSIDIARIES OF THE REGISTRANT

Subsidiaries of the Registrant	Jurisdiction of Incorporation or Organization	Percent Ownership*
American Azide Corporation	Nevada	100%
American Pacific Corporation	Nevada	100%
Ampac Farms, Inc.	Nevada	100%
Ampac Fine Chemicals LLC	California	100%
AMPAC Fine Chemicals Texas, LLC	Delaware	100%
Energetic Additives Inc., LLC	Nevada	100%

* Ownership is either direct or indirect depending on the specific entity

EX-23

EXHIBIT 23

CONSENT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM

American Pacific Corporation

Las Vegas, Nevada

We hereby consent to the incorporation by reference in the Registration Statements on Form S-8 (No.333-176534, 333-153758, 333-150720, 333-131945, 333-108790, 333-104732 and 333-62566) of American Pacific Corporation of our reports dated December 12, 2013, relating to the consolidated financial statements and the effectiveness of American Pacific Corporation’s internal control over financial reporting, which appear in this Form 10-K.

/s/ BDO USA, LLP

Las Vegas, Nevada

December 12, 2013

EX-31.1

EXHIBIT 31.1

CERTIFICATION OF PRINCIPAL EXECUTIVE OFFICER

Section 302 Certification

I, Joseph Carleone, certify that:

1. I have reviewed this annual report on Form 10-K of American Pacific Corporation;

2. Based on my knowledge, this report does not contain any untrue statement of a material fact or omit to state a material fact necessary to make the statements made, in light of the circumstances under which such statements were made, not misleading with respect to the period covered by this report;

3. Based on my knowledge, the financial statements, and other financial information included in this report, fairly present in all material respects the financial condition, results of operations and cash flows of the registrant as of, and for, the periods presented in this report;

4. The registrant’s other certifying officer and I are responsible for establishing and maintaining disclosure controls and procedures (as defined in Exchange Act Rules 13a-15(e) and 15d-15(e)) and internal control over financial reporting (as defined in Exchange Act Rules 13a-15(f) and 15d-15(f)) for the registrant and have:

(a) Designed such disclosure controls and procedures, or caused such disclosure controls and procedures to be designed under our supervision, to ensure that material information relating to the registrant, including its consolidated subsidiaries, is made known to us by others within those entities, particularly during the period in which this report is being prepared;

(b) Designed such internal control over financial reporting, or caused such internal control over financial reporting to be designed under our supervision, to provide reasonable assurance regarding the reliability of financial reporting and the preparation of financial statements for external purposes in accordance with generally accepted accounting principles;

(c) Evaluated the effectiveness of the registrant’s disclosure controls and procedures and presented in this report our conclusions about the effectiveness of the disclosure controls and procedures, as of the end of the period covered by this report based on such evaluation; and

(d) Disclosed in this report any change in the registrant’s internal control over financial reporting that occurred during the registrant’s most recent fiscal quarter (the registrant’s fourth fiscal quarter in the case of an annual report) that has materially affected, or is reasonably likely to materially affect, the registrant’s internal control over financial reporting; and

5. The registrant’s other certifying officer and I have disclosed, based on our most recent evaluation of internal control over financial reporting, to the registrant’s auditors and the audit committee of the registrant’s board of directors (or persons performing the equivalent functions):

(a) All significant deficiencies and material weaknesses in the design or operation of internal control over financial reporting which are reasonably likely to adversely affect the registrant’s ability to record, process, summarize and report financial information; and

(b) Any fraud, whether or not material, that involves management or other employees who have a significant role in the registrant’s internal control over financial reporting.

Date: December 12, 2013	By:	/s/ JOSEPH CARLEONE
		Joseph Carleone, Chairman of the Board, President and Chief Executive Officer

EX-31.2

EXHIBIT 31.2

CERTIFICATION OF PRINCIPAL FINANCIAL OFFICER

Section 302 Certification

I, Dana M. Kelley, certify that:

1. I have reviewed this annual report on Form 10-K of American Pacific Corporation;

2. Based on my knowledge, this report does not contain any untrue statement of a material fact or omit to state a material fact necessary to make the statements made, in light of the circumstances under which such statements were made, not misleading with respect to the period covered by this report;

3. Based on my knowledge, the financial statements, and other financial information included in this report, fairly present in all material respects the financial condition, results of operations and cash flows of the registrant as of, and for, the periods presented in this report;

4. The registrant’s other certifying officer and I are responsible for establishing and maintaining disclosure controls and procedures (as defined in Exchange Act Rules 13a-15(e) and 15d-15(e) and internal control over financial reporting (as defined in Exchange Act Rules 13a-15(f) and 15d-15(f)) for the registrant and have:

(a) Designed such disclosure controls and procedures, or caused such disclosure controls and procedures to be designed under our supervision, to ensure that material information relating to the registrant, including its consolidated subsidiaries, is made known to us by others within those entities, particularly during the period in which this report is being prepared;

(b) Designed such internal control over financial reporting, or caused such internal control over financial reporting to be designed under our supervision, to provide reasonable assurance regarding the reliability of financial reporting and the preparation of financial statements for external purposes in accordance with generally accepted accounting principles;

(c) Evaluated the effectiveness of the registrant’s disclosure controls and procedures and presented in this report our conclusions about the effectiveness of the disclosure controls and procedures, as of the end of the period covered by this report based on such evaluation; and

(d) Disclosed in this report any change in the registrant’s internal control over financial reporting that occurred during the registrant’s most recent fiscal quarter (the registrant’s fourth fiscal quarter in the case of an annual report) that has materially affected, or is reasonably likely to materially affect, the registrant’s internal control over financial reporting; and

5. The registrant’s other certifying officer and I have disclosed, based on our most recent evaluation of internal control over financial reporting, to the registrant’s auditors and the audit committee of the registrant’s board of directors (or persons performing the equivalent functions):

(a) All significant deficiencies and material weaknesses in the design or operation of internal control over financial reporting which are reasonably likely to adversely affect the registrant’s ability to record, process, summarize and report financial information; and

(b) Any fraud, whether or not material, that involves management or other employees who have a significant role in the registrant’s internal control over financial reporting.

Date: December 12, 2013	By:	/s/ DANA M. KELLEY
		Dana M. Kelley, Vice President, Chief Financial Officer and Treasurer

EX-32.1

EXHIBIT 32.1

CERTIFICATION OF CHIEF EXECUTIVE OFFICER

Pursuant to Section 906 of the Sarbanes-Oxley Act of 2002 (18 U.S.C. §1350)

Pursuant to Section 906 of the Sarbanes-Oxley Act of 2002 (18 U.S.C. §1350), the undersigned, Joseph Carleone, President and Chief Executive Officer of American Pacific Corporation, a Delaware corporation (the “Company”), does hereby certify, as of the date hereof, solely for purposes of Title 18, Chapter 63, Section 1350 of the United States Code, that, to his knowledge:

(i) The Annual Report on Form 10-K of the Company for the fiscal year ended September 30, 2013 as filed with the Securities and Exchange Commission (the “Report”) fully complies with the requirements of section 13(a) or 15(d), as applicable, of the Securities Exchange Act of 1934; and

(ii) The information contained in the Report fairly presents, in all material respects, the financial condition and results of operations of the Company at the dates and for the periods indicated.

/s/ JOSEPH CARLEONE

Joseph Carleone

Chairman of the Board, President and
Chief Executive Officer

Date: December 12, 2013

EX-32.2

EXHIBIT 32.2

CERTIFICATION OF CHIEF FINANCIAL OFFICER

Pursuant to Section 906 of the Sarbanes-Oxley Act of 2002 (18 U.S.C. §1350)

Pursuant to Section 906 of the Sarbanes-Oxley Act of 2002 (18 U.S.C. §1350), the undersigned, Dana M. Kelley, Vice President, Chief Financial Officer and Treasurer of American Pacific Corporation, a Delaware corporation (the “Company”), does hereby certify, as of the date hereof, solely for purposes of Title 18, Chapter 63, Section 1350 of the United States Code, that, to her knowledge:

(i) The Annual Report on Form 10-K of the Company for the fiscal year ended September 30, 2013 as filed with the Securities and Exchange Commission (the “Report”) fully complies with the requirements of section 13(a) or 15(d), as applicable, of the Securities Exchange Act of 1934; and

(ii) The information contained in the Report fairly presents, in all material respects, the financial condition and results of operations of the Company at the dates and for the periods indicated.

/s/ DANA M. KELLEY

Dana M. Kelley

Vice President, Chief Financial Officer, and Treasurer

Date: December 12, 2013

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Commitments and Contingencies - Additional Information (Detail) (USD $) In Thousands, unless otherwise specified	1 Months Ended	3 Months Ended	12 Months Ended			24 Months Ended
	Jun. 30, 2011	Sep. 30, 2009	Sep. 30, 2013	Sep. 30, 2012	Sep. 30, 2011	Sep. 30, 2006
Commitment And Contingencies [Line Items]
Total rental expense under operating leases			$ 1,938	$ 1,735	$ 1,642
Operating lease expiration year			2018
Estimated minimum aggregate severance benefits			5,800
Environmental Remediation Charges	6,000	13,700		700	6,000	26,000
Extension of remediation project, minimum			50 years
Estimated increase in capital cost of expansion project	6,400
Estimate cost of O&M	400
Estimated life of project, minimum			5 years
Estimated life of project, maximum			18 years
More likely estimated life of project, minimum			7 years
More likely estimated life of project, maximum			14 years
Maturity life of the project			2019
Amount accrued through estimated life of the project			11,947	16,754
Minimum
Commitment And Contingencies [Line Items]
Environmental Remediation Charges			8,300
Estimated project costs			1,800
Maximum
Commitment And Contingencies [Line Items]
Environmental Remediation Charges			32,000
Estimated project costs			$ 2,100

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Summary of Environmental Reserve Activity (Detail) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Sep. 30, 2013
Environment Matters And Other Contingencies [Line Items]
Accrual for Environmental Loss Contingencies, Beginning Balance	$ 16,754
Expenditures	(4,807)
Accrual for Environmental Loss Contingencies, Ending Balance	$ 11,947

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EMPLOYEE BENEFIT PLANS

12 Months Ended

Sep. 30, 2013

EMPLOYEE BENEFIT PLANS

9. EMPLOYEE BENEFIT PLANS

Defined Benefit Plan Descriptions. We maintain three defined benefit pension plans, which cover substantially all of our employees: the Amended and Restated American Pacific Corporation Defined Benefit Pension Plan (the “AMPAC Plan”), the Ampac Fine Chemicals LLC Pension Plan for Salaried Employees (the “AFC Salaried Plan”), and the Ampac Fine Chemicals LLC Pension Plan for Bargaining Unit Employees (the “AFC Bargaining Plan”), each as amended to date. Collectively, these three plans are referred to as the “Pension Plans.” Pension Plans benefits are paid based on an average of earnings, retirement age, and length of service, among other factors. In May 2010, our board of directors approved amendments to our Pension Plans which effectively closed the Pension Plans to participation by any new employees. Retirement benefits for existing U.S. employees and retirees through June 30, 2010 were not affected by this change. Beginning July 1, 2010, new U.S. employees began participating solely in one of the Company’s 401(k) plans. In addition, we maintain the American Pacific Corporation Supplemental Executive Retirement Plan (the “SERP”) that as of September 30, 2013, includes three executive officers and two former executive officers. We use a measurement date of September 30 to account for our Pension Plans and SERP.

Defined Contribution Plan Descriptions. We maintain two 401(k) plans in which participating employees may make contributions. One covers substantially all U.S. employees, except bargaining unit employees of our Fine Chemicals segment, and the other covers those bargaining unit employees (collectively, the “401(k) Plans”). We make matching contributions for Fine Chemicals segment employees and eligible U.S. employees who began employment on or after July 1, 2010.

Summary Defined Benefit Plan Results. The table below presents the annual changes in benefit obligations and plan assets and the funded status of our Pension Plans and SERP as of and for the fiscal years ended September 30:

	Pension Plans						SERP
	2013			2012			2013			2012
Change in Benefit Obligation:
Benefit obligation, beginning of year	$	96,989		$	73,383		$	11,087		$	7,942
Service cost		3,326			2,653			817			435
Interest cost		3,944			3,915			422			369
Amendments		298			-			-			-
Actuarial losses		(18,090	)		18,693			(615	)		2,868
Benefits paid		(1,781	)		(1,655	)		(525	)		(527	)
Benefit obligation, end of year		84,686			96,989			11,186			11,087
Change in Plan Assets:
Fair value of plan assets, beginning of year		52,249			36,935			-			-
Actual return (loss) on plan assets		8,124			7,649			-			-
Employer contributions		6,704			9,320			525			527
Benefits paid		(1,781	)		(1,655	)		(525	)		(527	)
Fair value of plan assets, end of year		65,296			52,249			-			-
Funded status	$	(19,390	)	$	(44,740	)	$	(11,186	)	$	(11,087	)

Amounts pertaining to our Pension Plans and SERP recognized in our consolidated balance sheet are classified as follows as of September 30:

	Pension Plans						SERP
	2013			2012			2013			2012
Employee related liabilities	$	-		$	-		$	(677	)	$	(527	)
Pension obligations and other long-term liabilities		(19,390	)		(44,740	)		(10,509	)		(10,560	)
Net amount recognized	$	(19,390	)	$	(44,740	)	$	(11,186	)	$	(11,087	)

The following table summarizes changes in the components of unrecognized benefit plan costs for the year ended September 30:

	Pension Plans						SERP
	2013			2012			2013			2012
Net actuarial loss	$	(21,817	)	$	14,443		$	(616	)	$	2,867
Prior service costs		298			-			-			-
Amortization of:
Net actuarial loss from previous years		(3,590	)		(2,549	)		(376	)		-
Prior service costs		(70	)		(63	)		(420	)		(420	)
Income tax benefits related to above items		9,631			(4,732	)		540			(979	)
Changes in unrecognized benefit plan costs	$	(15,548	)	$	7,099		$	(872	)	$	1,468

The following table sets forth the amounts recognized as components of accumulated other comprehensive loss at September 30:

	Pension Plans						SERP
	2013			2012			2013			2012
Net actuarial loss	$	17,950		$	43,357		$	2,576		$	3,568
Prior service costs		642			414			982			1,402
Income tax benefits related to above items		(4,931	)		(14,562	)		(1,602	)		(2,142	)
Unrecognized benefit plan costs, net of tax	$	13,661		$	29,209		$	1,956		$	2,828

The table below sets forth the amounts in accumulated other comprehensive loss at September 30, 2013, that we expect to recognize in periodic pension cost in the year ending September 30, 2014.

	Pension Plans		SERP
Amortization of net actuarial loss	$	1,143	$	262
Amortization of prior service costs		67		420
	$	1,210	$	682

The table below provides data for our defined benefit plans as of September 30:

	2013		2012
Plan Assets:
Ampac Plan	$	49,913	$	41,055
AFC Salaried Plan		8,991		6,744
AFC Bargaining Plan		6,392		4,450
Accumulated Benefit Obligation:
Ampac Plan		54,786		61,368
AFC Salaried Plan		10,409		12,500
AFC Bargaining Plan		7,210		7,585
Projected Benefit Obligation:
Ampac Plan		65,838		74,645
AFC Salaried Plan		11,638		14,759
AFC Bargaining Plan		7,210		7,585

Net periodic benefit plan cost is comprised of the following for the years ended September 30:

	Pension Plans									SERP
	2013			2012			2011			2013		2012		2011
Net Periodic Benefit Plan Cost:
Service cost	$	3,326		$	2,653		$	2,432		$	817	$	435	$	324
Interest cost		3,944			3,914			3,541			422		369		356
Expected return on plan assets		(4,399	)		(3,398	)		(2,886	)		-		-		-
Recognized actuarial losses		3,589			2,549			1,752			376		-		-
Amortization of prior service costs		70			63			63			420		420		420
Net periodic pension cost	$	6,530		$	5,781		$	4,902		$	2,035	$	1,224	$	1,100

Assumptions.

	Pension Plans						SERP
	2013		2012		2011		2013		2012		2011
Weighted-Average Actuarial Assumptions
Used to Determine Benefit Obligation as of September 30:
Discount rate		5.31%		4.00%		5.40%		4.67%		3.90%		4.80%
Rate of compensation increase		3.50%		3.50%		4.00%		3.50%		3.50%		4.00%
Weighted-Average Actuarial Assumptions
Used to Determine Net Periodic Benefit
Plan Cost for the Years Ended
September 30:
Discount rate		4.00%		5.40%		5.80%		3.90%		4.80%		4.80%
Rate of compensation increase		3.50%		4.00%		4.00%		3.50%		4.00%		4.00%
Expected return on plan assets		8.00%		8.00%		8.00%		-		-		-

The discount rate is determined for the Pension Plans and SERP, respectively, by projecting the expected future benefit payments of the Pension Plans and SERP, discounting those payments using a theoretical zero-coupon spot-yield curve derived from a universe of high-quality bonds as of the measurement date, and solving for a single equivalent discount rate that results in the same projected benefit obligation.

Through consultation with investment advisors and actuaries, the expected long-term returns for each of the Pension Plans’ strategic asset classes were developed. Several factors were considered, including survey of investment managers’ expectations, current market data and historical returns of long periods. Using policy target allocation percentages and the asset class expected returns, a weighted average expected return was calculated.

Plan Assets and Investment Policy. The Pension Plans’ assets include no shares of our common stock. We developed assumptions for expected long-term returns for the targeted asset classes of each of the Pension Plans based on factors that include current market data such as yields/price-earnings ratios, and historical market returns over long periods. Using policy target allocation percentages and the asset class expected returns, a weighted average expected return was calculated. The actual and target asset allocation for the Pension Plans is as follows at September 30:

	Target		Actual
	2013		2013		2012
Equity securities		68%		68%		74%
Debt securities		24%		21%		22%
Real estate securities		5%		5%		0%
Cash and marketable securities		3%		6%		4%
Total		100%		100%		100%

The table below provides the fair values of the Pension Plans’ assets as of September 30, 2013 and 2012, by asset category, and identifies the level of inputs used to determine the fair value of assets in each category (see Note 1 for additional information regarding the level categories).

	Quotes Prices in Active Markets for Identical Assets (Level 1)		Significant Other Observable Inputs (Level 2)		Significant Unobservable Inputs (Level 3)		Total
September 30, 2013:
Equity Securities
Domestic large-cap	$	15,964					$	15,964
Domestic mid-cap		3,331						3,331
Domestic small-cap		902						902
International		7,861						7,861
Mutual funds		15,478						15,478
Other		1,324						1,324
Fixed Income Securities
Mutual funds		6,216						6,216
Corporate bonds			$	3,999				3,999
Certificate of deposit								-
U.S. Treasuries		1,016						1,016
Mortgage-backed				303				303
Foreign bonds				1,901				1,901
Real Estate Securities		3,076						3,076
Cash and cash equivalents		3,859						3,859
Other		7		58				65
	$	59,034	$	6,261	$	-	$	65,295
September 30, 2012:
Equity Securities
Domestic large-cap	$	20,188					$	20,188
Domestic mid-cap		5,590						5,590
Domestic small-cap		1,768						1,768
International		5,939						5,939
Other		3,217						3,217
Fixed Income Securities								-
Mutual funds		6,146						6,146
Corporate bonds			$	3,652				3,652
Certificate of deposit				805				805
U.S. Treasuries		973						973
Mortgage-backed				477				477
Foreign bonds				1,366				1,366
Cash and cash equivalents		2,056						2,056
Other				72				72
	$	45,877	$	6,372	$	-	$	52,249

Contributions and Benefit Payments. We made total contributions of $1,061, $1,378 and $1,301 to the 401(k) Plans during the years ended September 30, 2013, 2012 and 2011, respectively. During the year ending September 30, 2014, we expect to contribute approximately $2,100 to the Pension Plans and approximately $677 to the SERP.

The table below sets forth expected future benefit payments for the years ending September 30:

Years ending September 30:	Pension Plans		SERP
2014	$	2,344	$	677
2015		2,464		662
2016		2,681		1,081
2017		2,779		1,055
2018		3,019		1,027
2019-2023		20,326		4,662

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Interest Rate Swap Agreement Amount of Gain (Loss) and Reclassification (Detail) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Sep. 30, 2013	Sep. 30, 2012	Sep. 30, 2011
Interest Rate Swaps [Line Items]
Interest Expense	$ 2,996	$ 10,173	$ 10,514
Cash Flow Hedge
Interest Rate Swaps [Line Items]
Net current period other comprehensive income (loss)	31
Interest Rate Swap | Cash Flow Hedge | Reclassification out of Accumulated Other Comprehensive Loss
Interest Rate Swaps [Line Items]
Interest Expense	$ 225

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Consolidated Statements of Operations (USD $) In Thousands, except Share data, unless otherwise specified	12 Months Ended
	Sep. 30, 2013	Sep. 30, 2012	Sep. 30, 2011
Revenues	$ 215,085	$ 185,627	$ 160,714
Cost of Revenues	128,131	119,477	113,863
Gross Profit	86,954	66,150	46,851
Operating Expenses	45,865	39,066	35,895
Environmental Remediation Charges		700	6,000
Other Operating Gains		1,714	2,929
Operating Income	41,089	28,098	7,885
Interest and Other Income	118	38	235
Interest Expense	2,996	10,173	10,514
Loss on Debt Extinguishment	2,835	1,397
Income (Loss) from Continuing Operations before Income Tax	35,376	16,566	(2,394)
Income Tax Expense (Benefit)	12,243	(3,766)	6,985
Income (Loss) from Continuing Operations	23,133	20,332	(9,379)
Income from Discontinued Operations, Net of Tax	99	4,987	2,143
Net Income (Loss)	$ 23,232	$ 25,319	$ (7,236)
Basic Earnings (Loss) Per Share:
Income (Loss) from Continuing Operations	$ 2.98	$ 2.69	$ (1.25)
Income from Discontinued Operations, Net of Tax	$ 0.01	$ 0.66	$ 0.29
Net Income (Loss)	$ 2.99	$ 3.35	$ (0.96)
Diluted Earnings (Loss) Per Share:
Income (Loss) from Continuing Operations	$ 2.86	$ 2.65	$ (1.25)
Income from Discontinued Operations, Net of Tax	$ 0.01	$ 0.65	$ 0.29
Net Income (Loss)	$ 2.87	$ 3.30	$ (0.96)
Weighted-Average Shares Outstanding:
Basic	7,772,000	7,554,000	7,517,000
Diluted	8,101,000	7,663,000	7,517,000

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SHARE-BASED COMPENSATION

12 Months Ended

Sep. 30, 2013

SHARE-BASED COMPENSATION

2. SHARE-BASED COMPENSATION

We account for our share-based compensation arrangements under an accounting standard which requires us to measure the cost of employee services received in exchange for an award of equity instruments based on the grant date fair value of the award. The fair values of awards are recognized as additional compensation expense, which is classified as operating expenses, proportionately over the vesting period of the awards.

The purposes of our share-based compensation arrangements are to attract and retain the best available personnel, to provide additional incentives to employees, directors and consultants and to promote the success of the Company’s business. The amount, frequency, and terms of share-based awards may vary based on competitive practices, our operating results, government regulations and availability under our equity incentive plans. Depending on the form of the share-based award, new shares of our common stock may be issued upon grant, option exercise or vesting of the award. We maintain three share-based plans, each as discussed below.

The American Pacific Corporation Amended and Restated 2001 Stock Option Plan (the “2001 Plan”) permitted the granting of stock options to employees, officers, directors and consultants. Options granted under the 2001 Plan generally vested 50% at the grant date and 50% on the one-year anniversary of the grant date, and expire ten years from the date of grant. Under the terms of the 2001 Plan, no options may be granted on or after January 16, 2011, but options previously granted may extend beyond that date based on the terms of the relevant grant. This plan was approved by our stockholders.

The American Pacific Corporation 2002 Directors Stock Option Plan, as amended and restated (the “2002 Directors Plan”) compensates non-employee directors with stock options granted annually or upon other discretionary events. Options granted under the 2002 Directors Plan prior to September 30, 2007 generally vested 50% at the grant date and 50% on the one-year anniversary of the grant date, and expire ten years from the date of grant. Options granted under the 2002 Directors Plan in November 2007 vested 50% one year from the date of grant and 50% two years from the date of grant, and expire ten years from the date of grant. Under the terms of the 2002 Plan, no options may be granted on or after November 12, 2012, but options previously granted may extend beyond that date based on the terms of the relevant grant. This plan was approved by our stockholders.

The American Pacific Corporation Amended and Restated 2008 Stock Incentive Plan (the “2008 Plan”) permits the granting of stock options, restricted stock, restricted stock units and stock appreciation rights to employees, directors and consultants. A total of 800,000 shares of common stock are authorized for issuance under the 2008 Plan, provided that no more than 400,000 shares of common stock may be granted pursuant to awards of restricted stock and restricted stock units. Generally, awards granted under the 2008 Plan vest in three equal annual installments beginning on the first anniversary of the grant date, and in the case of option awards, expire ten years from the date of grant. As of September 30, 2013, there were 245,232 shares available for grant under the 2008 Plan. This plan was approved by our stockholders.

Stock Options and Restricted Stock. A summary of our outstanding and non-vested stock option and restricted stock activity for the year ended September 30, 2013 is as follows:

	Stock Options										Restricted Stock
	Outstanding					Non-Vested					Outstanding and Non-Vested
	Shares			Weighted Average Exercise Price Per Share		Shares			Weighted Average Fair Value Per Share		Shares			Weighted Average Fair Value Per Share
Balance, September 30, 2012		612,071		$	8.47		138,835		$	3.55		64,497		$	7.52
Granted		47,470			11.93		47,470			5.41		36,060			11.93
Vested		-			-		(77,184	)		3.61		(29,505	)		7.42
Exercised		(204,157	)		8.72		-			-		-			-
Expired / Cancelled		(17,749	)		8.32		(4,749	)		3.77		(2,000	)		7.61
Balance, September 30, 2013		437,635			8.73		104,372			4.34		69,052			9.87

A summary of our exercisable stock options as of September 30, 2013 is as follows:

Number of vested stock options		333,263
Weighted average exercise price per share	$	8.48
Aggregate intrinsic value	$	15,423
Weighted average remaining contractual term in years		4.5

We determine the fair value of stock option awards at their grant date, using a Black-Scholes Option-Pricing model applying the assumptions in the following table. We determine the fair value of restricted stock awards based on the fair market value of our common stock on the grant date. Actual compensation, if any, ultimately realized by optionees may differ significantly from the amount estimated using an option valuation model. The following stock option information is as of September 30:

	2013		2012		2011
Weighted average grant date fair value per share of options granted	$	5.41	$	3.46		-
Significant fair value assumptions
Expected term in years		5.70		5.70		-
Expected volatility		49.0%		49.0%		-
Expected dividends		0.0%		0.0%		-
Risk-free interest rates		0.64%		0.85%		-
Total intrinsic value of options exercised	$	2,910	$	525	$	20
Aggregate cash received for option exercises	$	1,781	$	754	$	81
Compensation cost (included in operating expenses)
Stock options	$	223	$	260	$	231
Restricted stock		364		248		73
Total		587		508		304
Tax benefit recognized		140		108		56
Net compensation cost	$	447	$	400	$	248
As of period end date
Total compensation cost for non-vested awards not yet recognized
Stock options	$	138	$	122	$	65
Restricted stock	$	218	$	167	$	15
Weighted-average years to be recognized
Stock options		1.4		1.5		1.0
Restricted stock		1.4		1.5		1.0

For each year presented, the expected option term was determined using the simplified method under the applicable accounting standard. Expected volatility is based on historical market factors related to the Company’s common stock. Risk-free interest rate is based on U.S. Treasury rates appropriate for the expected term.

Our share-based compensation plans permit us, but do not require us, to repurchase newly exercised shares from optionees in settlement of the optionees’ exercise price obligation. Shares are repurchased at a price equal to the closing price of our common stock on the date of exercise. No shares were repurchased during the years presented.

Cash-Settled Restricted Stock Units. Cash-settled restricted stock units (“RSU”) are awards that, if vested, entitle the recipient to a cash payment equal to the fair market value of one share of our common stock for each unit granted. The currently outstanding RSU awards granted under the 2008 Plan cliff-vest on September 30, 2014, subject to the attainment of financial performance criteria that were established for the two-year period ending September 30, 2014 and continued employment by the recipient. RSUs are accounted for as liability awards, and accordingly, compensation cost is remeasured based on our closing stock price at the end of each reporting period. If we estimate that it is probable that the vesting criteria will be met, then we record compensation expense based on the proportionate share of the total estimated fair value of the award to the requisite service period.

A summary of our RSU activity for the year ended September 30, 2013 is as follows:

	Number of Units		Weighted- Average Grant Date Fair Value Per Unit
Outstanding, September 30, 2012		-	$	-
Grants		77,231		11.93
Forfeitures		-		-
Vested		-		-
Outstanding, September 30, 2013		77,231	$	11.93

A summary of estimated compensation expense for RSU awards is as follows:

	Year Ended September 30,
	2013		2012
Compensation cost (included in operating expenses)	$	1,883	$	-
Tax benefit recognized		720		-
Net compensation cost	$	1,163	$	-
As of period end date:
Total compensation cost for non-vested awards not yet recognized	$	2,346	$	-
Weighted-average years to be recognized		1.0		-
Accrued compensation cost included in other long-term liabilities at year end	$	1,883	$	-

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SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Tables)

12 Months Ended

Sep. 30, 2013

Depreciation and Amortization Expense

Depreciation and amortization expense for continuing operations is classified as follows in our statements of operations as of September 30:

	2013		2012		2011
Classified as cost of revenues
Depreciation	$	13,154	$	13,305	$	13,062
Classified as operating expenses
Depreciation		299		395		459
Amortization		-		-		537
Total continuing operations		13,453		13,700		14,058
Classified as discontinued operations		-		791		1,158
Total	$	13,453	$	14,491	$	15,216

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Schedule of Changes in Components of Unrecognized Benefit Plan Costs (Detail) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Sep. 30, 2013	Sep. 30, 2012
Pension Plans
Pension Plans, Postretirement and Other Employee Benefits [Line Items]
Net actuarial loss	$ (21,817)	$ 14,443
Prior service costs	298
Net actuarial loss from previous years	(3,590)	(2,549)
Prior service costs	(70)	(63)
Income tax benefits related to above items	9,631	(4,732)
Changes in unrecognized benefit plan costs	(15,548)	7,099
SERP
Pension Plans, Postretirement and Other Employee Benefits [Line Items]
Net actuarial loss	(616)	2,867
Net actuarial loss from previous years	(376)
Prior service costs	(420)	(420)
Income tax benefits related to above items	540	(979)
Changes in unrecognized benefit plan costs	$ (872)	$ 1,468

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Earnings Per Share - Additional Information (Detail)	12 Months Ended
	Sep. 30, 2012	Sep. 30, 2011
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Antidilutive securities and unvested restricted shares outstanding excluded from computation of earnings per share amount	278,385	653,304

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COMMITMENTS AND CONTINGENCIES

12 Months Ended

Sep. 30, 2013

COMMITMENTS AND CONTINGENCIES

10. COMMITMENTS AND CONTINGENCIES

Operating Leases. We lease our corporate offices under an operating lease that expires in 2018 and contains step rent provisions, escalation clauses and also provides for cash allowances toward the funding of capital improvements. Our minimum lease payments include these considerations. Total rental expense for continuing operations under operating leases was $1,938, $1,735 and $1,642 for the years ended September 30, 2013, 2012 and 2011, respectively.

Minimum lease payments are recognized as rental expense on a straight-line basis over the minimum lease term. Estimated future minimum lease payments under operating leases as of September 30, 2013, are as follows:

Years ending September 30:
2014	$	1,192
2015		1,163
2016		1,158
2017		1,170
2018		709
Thereafter		53
Total	$	5,445

Purchase Commitments. Purchase commitments represent obligations under agreements that are not unilaterally cancelable by us, are legally enforceable, and specify fixed or minimum amounts or quantities of goods or services at fixed or minimum prices. As of September 30, 2013, our purchase commitments were not material.

Employee Agreements. We have an employment agreement with our Chief Executive Officer. The term of the employment agreement currently ends on September 30, 2016, unless amended or extended in accordance with the terms of the agreement or otherwise. Significant contract provisions include annual base salary, health care benefits, and non-compete provisions. The employment agreement is primarily an “at will” employment agreement, under which we may terminate the executive officer’s employment for any or no reason. Generally, the agreement provides that a termination without cause obligates us to pay certain severance benefits specified in the contract.

We maintain severance agreements with four other executive officers which generally provide that a termination of the executive without cause obligates us to pay certain severance benefits specified in the contract. In addition, certain other key divisional executives are eligible for severance benefits. Estimated minimum aggregate severance benefits under all of these agreements and arrangements was approximately $5,800 as of September 30, 2013. In addition, we maintain a general ongoing employee severance policy that may provide benefits only for specified terminations, such as involuntary terminations without cause. The policy provides a formula for determining benefits based on position and years of service.

Environmental Matters.

Regulatory Review of Perchlorates. Our Specialty Chemicals segment manufactures and sells products that contain perchlorates. Currently, perchlorate is on Contaminant Candidate List 3 of the U.S. Environmental Protection Agency (the “EPA”). In February 2011, the EPA announced that it had determined to move forward with the development of a regulation for perchlorates in drinking water, reversing its October 2008 preliminary determination not to promulgate such a regulation. Accordingly, the EPA announced its intention to begin to evaluate the feasibility and affordability of treatment technologies to remove perchlorate and to examine the costs and benefits of potential standards. The EPA has conducted various meetings, as required by the Safe Drinking Water Act, including a meeting of the Science Advisory Board, whose report was issued May 29, 2013. We continue to monitor activities and currently expect, based on EPA statements, that the earliest a final regulation is expected to be published is December 2014. Regulatory review and anticipated regulatory actions present general business risk to the Company, but no regulatory proposal of the EPA or any state in which we operate, to date, has been publicly announced that we believe would have a material effect on our results of operations and financial position or that would cause us to significantly modify or curtail our business practices, including our remediation activities discussed below.

Perchlorate Remediation Project in Henderson, Nevada. We commercially manufactured perchlorate chemicals at a facility in Henderson, Nevada (the “AMPAC Henderson Site”) from 1958 until the facility was destroyed in May 1988, after which we relocated our production to a new facility in Iron County, Utah. Legacy production at the AMPAC Henderson Site resulted in perchlorate presence in the groundwater near the vicinity of the former facility.

At the direction of the Nevada Division of Environmental Protection (“NDEP”) and the EPA, we conducted an investigation of remediation technologies for perchlorate in groundwater with the intention of remediating groundwater near the AMPAC Henderson Site. In 2002, we conducted a pilot test and in Fiscal 2005, we submitted a work plan to NDEP for the construction of a remediation facility near the AMPAC Henderson Site. The conditional approval of the work plan by NDEP in our third quarter of Fiscal 2005 allowed us to generate estimated costs for the installation and operation of the remediation facility to address perchlorate at the AMPAC Henderson Site. We commenced construction in July 2005. In December 2006, we began operations of the permanent facility. The location of this facility is several miles, in the direction of groundwater flow, from the AMPAC Henderson Site.

From time to time, we held discussions with NDEP to formalize our remediation efforts in an agreement. In June 2013, we entered into an Administrative Order on Consent (the “AOC”) with NDEP. We have been conducting our remediation efforts in cooperation with NDEP. Accordingly, the formalization of our remediation efforts under an AOC had no significant effect on our scope of activities or cost estimates. Significant terms of the AOC include:

— formalizing the oversight of ongoing or modified remediation efforts required by NDEP;

— procedures for reimbursing NDEP for past and future oversight costs;

— providing NDEP with enforcement mechanisms to ensure compliance with the AOC, including stipulated penalties for failures to comply with certain requirements under the AOC;

— preservation of AMPAC’s right to make future cost recovery or contribution claims;

— providing a procedure for closing part or all of the remediation efforts once goals are achieved; and

— resolving certain environmental liability claims that NDEP might have had without the AOC.

Henderson Site Environmental Remediation Reserve. We accrue for anticipated costs associated with environmental remediation that are probable and estimable. On a quarterly basis, we review our estimates of future costs that could be incurred for remediation activities. In some cases, only a range of reasonably possible costs can be estimated. In establishing our reserves, the most probable estimate is used; otherwise, we accrue the minimum amount of the range.

During Fiscal 2005 and Fiscal 2006, we recorded aggregate charges of $26,000 representing our estimates at the time of the probable costs of our remediation efforts at the AMPAC Henderson Site, including the costs for capital equipment and on-going operating and maintenance (“O&M”).

Late in Fiscal 2009, we gained additional information from groundwater modeling that indicated groundwater emanating from the AMPAC Henderson Site in certain areas in deeper zones (more than 150 feet below ground surface) was moving toward our existing remediation facility at a much slower pace than previously estimated. Utilization of our existing facilities alone, at this slower groundwater pace, could, according to this groundwater model, extend the life of our remediation project to well in excess of 50 years. As a result of this additional data, related model interpretations and consultations with NDEP, we re-evaluated our remediation operations and determined that we should be able to improve the effectiveness of the treatment program and significantly reduce the total project time by expanding the treatment system existing at the time. The expansion included installation of additional groundwater extraction wells in the deeper, more concentrated areas, construction of an underground pipeline to move extracted groundwater to our treatment facility, and the addition of fluidized bed reactor (“FBR”) bioremediation treatment equipment (the “Expansion Project”) that will enhance, and in some cases replace, primary components of the existing treatment system. In our Fiscal 2009 fourth quarter, we accrued $13,700 as our initial estimate of the capital cost of the Expansion Project and the related estimates of the effects of the enhanced operations on the on-going O&M costs and project life.

Through June 2011, and in cooperation with NDEP, we worked to develop the formal design, engineering and permitting of the Expansion Project. Based on data obtained through that date, which was largely comprised of firm quotations, we determined that significant modifications to our Fiscal 2009 assumptions were required. As a result, in June 2011, we accrued an additional $6,000 for the estimated increase in cost of the capital component of the Expansion Project, offset slightly by reductions in O&M cost estimates. The estimated capital costs of the Expansion Project increased by approximately $6,400. The increase reflected (i) an increase in the capacity of the FBR bioremediation treatment equipment to accommodate technical requirements based on the testing of new extraction wells in the fall of 2010, and (ii) higher than initially anticipated cost associated with the installation of the equipment and construction of the pipeline. Our estimate of total O&M costs was reduced by approximately $400.

In September 2012, we commenced initial operation of the Expansion Project with planned start up activities completed in Fiscal 2013. System optimization will continue in Fiscal 2014. In September 2012, we recorded an additional remediation charge in the amount of $700, which is substantially attributed to the true-up of estimates to the expected final cost of the Expansion Project. Due to uncertainties inherent in making estimates, our estimates of capital and O&M costs may later require significant revision as new facts become available and circumstances change.

The estimated life of the project is a key assumption underlying the accrued estimated cost of our remediation activities. Groundwater modeling and other information regarding the characteristics of the surrounding land and demographics indicate that at our targeted processing rates and targeted perchlorate mass destruction rates, the life of the project could range from five to 18 years from the date that the Expansion Project was placed in service. Further, the data indicates that within that range, seven to 14 years is the more likely range. In accordance with generally accepted accounting principles, if no point within the more likely range is considered more likely than another, then estimates should be based on the low end of the range. Accordingly, our accrued remediation

cost includes estimated O&M costs through 2019, which is the low end of the likely range of the project life. Groundwater speed, perchlorate concentrations, aquifer characteristics and forecasted groundwater extraction rates will continue to be key factors considered when estimating the life of the project. If additional information becomes available in the future that leads to a different interpretation of the model, thereby dictating a change in equipment and operations, our estimate of the resulting project life could change significantly.

The estimate of the annual O&M cost of the project is a key assumption in our computation of the estimated cost of our remediation activities. To estimate future O&M costs, we consider, among other factors, the remaining project scope and historical expense rates to develop assumptions regarding labor, utilities, repairs, maintenance supplies and professional services costs. We estimate average annual O&M costs to range from approximately $1,800 to $2,100. If additional information becomes available in the future that is different than information currently available to us and thereby leads us to different conclusions, our estimate of O&M expenses could change significantly.

In addition, certain remediation activities are conducted on public lands under operating permits. In general, these permits may require us to relocate our underground pipeline or equipment to accommodate future public utilities and features and require us to return the land to its original condition at the end of the permit period. If we are required to relocate our underground pipeline or equipment in the future, the costs of such activities would be incremental to our current cost estimates. Estimated costs associated with removal of remediation equipment from the land are not material and are included in our range of estimated costs.

As of September 30, 2013, the aggregate range of anticipated environmental remediation costs was from approximately $8,300 to approximately $32,000. This range represents a significant estimate and is based on the estimable elements of cost for capital and O&M costs, and an estimated remaining operating life of the project through a range from the years 2017 to 2030. As of September 30, 2013, the accrued amount was $11,947, based on an estimated remaining life of the project through the year 2019, or the low end of the more likely range of the expected life of the project. Cost estimates are based on our current assessments of the facility configuration. As we proceed with the project, we have, and may in the future, become aware of elements of the facility configuration that must be changed to meet the targeted operational requirements. Certain of these changes may result in corresponding cost increases. Costs associated with the changes are accrued when a reasonable alternative, or range of alternatives, is identified and the cost of such alternative is estimable. Our estimated reserve for environmental remediation is based on information currently available to us and may be subject to material adjustment upward or downward in future periods as new facts or circumstances may indicate.

A summary of our environmental reserve activity for the year ended September 30, 2013, is shown below:

Balance, September 30, 2012	$	16,754
Expenditures		(4,807	)
Balance, September 30, 2013	$	11,947

AFC Environmental Matters. The primary operations of our Fine Chemicals segment are located on land leased from Aerojet Rocketdyne, Inc. (“Aerojet”), a wholly-owned subsidiary of GenCorp Inc. (“GenCorp”). The leased land is part of a tract of land owned by Aerojet designated as a “Superfund Site” under the Comprehensive Environmental Response, Compensation, and Liability Act of 1980 (“CERCLA”). The tract of land had been used by Aerojet and affiliated companies to manufacture and test rockets and related equipment since the 1950s. Although the chemicals identified as contaminants on the leased land were not used by Aerojet Fine Chemicals LLC (predecessor in interest to Ampac Fine Chemicals LLC) as part of its operations, CERCLA, among other things, provides for joint and several liability for environmental liabilities including, for example, environmental remediation expenses.

As part of the agreement by which we acquired our Fine Chemicals segment business from GenCorp, an Environmental Indemnity Agreement was entered into whereby GenCorp agreed to indemnify us against any and all environmental costs and liabilities arising out of or resulting from any violation of environmental law prior to the effective date of the sale, or any release of hazardous substances by Aerojet Fine Chemicals LLC, Aerojet or GenCorp on the premises of Ampac Fine Chemicals LLC or Aerojet’s Sacramento site prior to the effective date of the sale.

On November 29, 2005, EPA Region IX provided us with a letter indicating that the EPA does not intend to pursue any clean up or enforcement actions under CERCLA against future lessees of the Aerojet property for existing contamination, provided that the lessees do not contribute to or do not exacerbate existing contamination on or under the Aerojet Superfund site.

Other Matters. Although we are not currently party to any material pending legal proceedings, we are from time to time subject to claims and lawsuits related to our business operations. We accrue for loss contingencies when a loss is probable and the amount can be reasonably estimated. Legal fees, which can be material in any given period, are expensed as incurred. We believe that current claims or lawsuits against us, individually and in the aggregate, will not result in loss contingencies that will have a material adverse effect on our financial condition, cash flows or results of operations.

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Outstanding Debt Balance (Parenthetical) (Detail)	Sep. 30, 2013	Sep. 30, 2012
Debt Instrument [Line Items]
Term Loan, due date	2017
Senior Notes, interest rate	9.00%	9.00%
Senior Notes, due date	2015	2015
Capital Leases, due date	2014	2014

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Percentage of Consolidated Revenues Attributed To Customers (Detail) (Sales)	12 Months Ended
	Sep. 30, 2013	Sep. 30, 2012	Sep. 30, 2011
Fine Chemicals Customer One
Revenue, Major Customer [Line Items]
Entity-Wide Revenue, Major Customer, Percentage	28.00%	31.00%	23.00%
Fine Chemicals Customer Two
Revenue, Major Customer [Line Items]
Entity-Wide Revenue, Major Customer, Percentage		12.00%
Specialty Chemicals Customer
Revenue, Major Customer [Line Items]
Entity-Wide Revenue, Major Customer, Percentage		17.00%
Specialty Chemicals Customer Two
Revenue, Major Customer [Line Items]
Entity-Wide Revenue, Major Customer, Percentage	20.00%	12.00%	24.00%

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Income Tax Expense (Benefit) Classification (Detail) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Sep. 30, 2013	Sep. 30, 2012	Sep. 30, 2011
Income Taxes [Line Items]
Continuing Operations	$ 12,243	$ (3,766)	$ 6,985
Discontinued Operations	(90)	715	1,185
Total	$ 12,153	$ (3,051)	$ 8,170

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Share-Based Compensation - Additional Information (Detail)	12 Months Ended
	Sep. 30, 2013
Employee Stock Ownership Plan (ESOP) Disclosures [Line Items]
Share-based compensation number of plans maintained	3
Restricted Stock Awards And Units
Employee Stock Ownership Plan (ESOP) Disclosures [Line Items]
RSU awards cliff-vest date	Sep. 30, 2014
RSU awards cliff-vest period	2 years
2001 Stock Option Plan
Employee Stock Ownership Plan (ESOP) Disclosures [Line Items]
Options vested at the grant date	50.00%
Options vested at the grant date	50.00%
Expiration period, from grant date	10 years
Shares available for grant	0
2002 directors stock option plan
Employee Stock Ownership Plan (ESOP) Disclosures [Line Items]
Shares available for grant	0
2002 directors plan prior to September 30, 2007
Employee Stock Ownership Plan (ESOP) Disclosures [Line Items]
Options vested at the grant date	50.00%
Options vested at the grant date	50.00%
Expiration period, from grant date	10 years
2002 directors plan in November 2007
Employee Stock Ownership Plan (ESOP) Disclosures [Line Items]
Options vested at the grant date	50.00%
Expiration period, from grant date	10 years
Options vested on the one-year anniversary of the grant date	50.00%
2008 Stock Incentive Plan
Employee Stock Ownership Plan (ESOP) Disclosures [Line Items]
Expiration period, from grant date	10 years
Shares available for grant	245,232
Common stock authorized	800,000
Maximum shares of common stock able to be granted pursuant to awards of restricted stock and restricted stock units	400,000
Number of annual installments	3

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DEBT (Tables)

12 Months Ended

Sep. 30, 2013

Outstanding Debt Balance

Our outstanding debt balances consist of the following as of September 30:

	2013			2012
Term Loan, variable-rate interest, due through 2017	$	55,500		$	-
Senior Notes, 9%, due 2015		-			65,000
Capital Leases, due through 2014		2			20
Total Debt		55,502			65,020
Less Current Portion		(6,002	)		(16	)
Total Long-term Debt	$	49,500		$	65,004

Principal Maturities for Outstanding Debt and Credit Facility

Principal Maturities. Principal maturities for our outstanding debt as of September 30, 2013 are as follows:

Years ending September 30:
2014	$	6,002
2015		6,000
2016		6,000
2017		7,500
2018		30,000
Total	$	55,502

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BALANCE SHEET DATA (Tables)

12 Months Ended

Sep. 30, 2013

Summary of Accounts Receivables

The following tables provide additional disclosure for accounts receivable, inventories and property, plant and equipment at September 30:

	2013			2012
Accounts Receivable:
Trade receivables	$	20,875		$	23,384
Employee and other receivables		462			827
Allowance for bad debt		(28	)		-
Total	$	21,309		$	24,211

Inventories

	2013		2012
Inventories:
Finished goods	$	9,020	$	2,966
Work-in-progress		36,032		28,851
Raw materials and supplies		14,520		12,340
Total	$	59,572	$	44,157

Summary of Property Plant and Equipment

	2013			2012
Property, Plant and Equipment:
Land and improvements	$	3,693		$	3,693
Buildings and improvements		52,343			50,891
Machinery and equipment		161,472			149,522
Construction in progress		4,264			3,689
Total Cost		221,772			207,795
Less: accumulated depreciation		(117,925	)		(104,479	)
Total	$	103,847		$	103,316

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Property, Plant Equipment (Detail) (USD $) In Thousands, unless otherwise specified	Sep. 30, 2013	Sep. 30, 2012
Property, Plant and Equipment:
Land and improvements	$ 3,693	$ 3,693
Buildings and improvements	52,343	50,891
Machinery and equipment	161,472	149,522
Construction in progress	4,264	3,689
Total Cost	221,772	207,795
Less: accumulated depreciation	(117,925)	(104,479)
Total	$ 103,847	$ 103,316

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SEGMENT INFORMATION (Tables)

12 Months Ended

Sep. 30, 2013

Percentage of Our Consolidated Revenues Attributed To Customers

The following table provides disclosure of the percentage of our consolidated revenues attributed to customers that exceed 10% of the total in each of the fiscal years ended September 30:

	2013		2012		2011
Fine chemicals customer		28%		31%		23%
Fine chemicals customer				12%
Specialty chemicals customer				17%
Specialty chemicals customer		20%		12%		24%

Financial Information about Segment Operations

The following provides financial information about our segment operations for the fiscal years ended September 30:

	2013			2012			2011
Revenues:
Fine Chemicals	$	124,898		$	111,536		$	89,497
Specialty Chemicals		82,636			68,513			66,905
Other Businesses		7,551			5,578			4,312
Total Revenues	$	215,085		$	185,627		$	160,714
Segment Operating Income (Loss):
Fine Chemicals	$	11,295		$	8,678		$	(6,283	)
Specialty Chemicals		47,961			34,919			35,600
Other Businesses		(1,066	)		(473	)		(1,308	)
Total Segment Operating Income		58,190			43,124			28,009
Corporate Expenses		(17,101	)		(14,326	)		(14,124	)
Environmental Remediation Charges		-			(700	)		(6,000	)
Operating Income	$	41,089		$	28,098		$	7,885
Depreciation and Amortization:
Fine Chemicals	$	12,013		$	11,914		$	12,473
Specialty Chemicals		1,144			1,401			1,136
Other Businesses		21			18			17
Corporate		275			367			432
Total	$	13,453		$	13,700		$	14,058
Capital Expenditures:
Fine Chemicals	$	11,138		$	7,383		$	11,153
Specialty Chemicals		2,661			1,353			756
Other Businesses		6			18			8
Corporate		111			34			14
Total	$	13,916		$	8,788		$	11,931
Assets, at year end:
Fine Chemicals	$	154,707		$	143,551		$	144,003
Specialty Chemicals		27,427			21,029			19,785
Other Businesses		5,319			7,302			5,064
Corporate		89,854			74,582			60,954
Total	$	277,307		$	246,464		$	229,806

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Summary of Exercisable Stock Options (Detail) (USD $) In Thousands, except Share data, unless otherwise specified	12 Months Ended
	Sep. 30, 2013
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Number of vested stock options	333,263
Weighted-average exercise price per share	$ 8.48
Aggregate intrinsic value	$ 15,423
Weighted-average remaining contractual term in years	4 years 6 months

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Debt - Additional Information (Detail) (USD $) In Thousands, unless otherwise specified	12 Months Ended						12 Months Ended							1 Months Ended	12 Months Ended		1 Months Ended				1 Months Ended	12 Months Ended		1 Months Ended		12 Months Ended
	Sep. 30, 2013	Sep. 30, 2012	Sep. 30, 2013 Year One	Sep. 30, 2013 Year Two	Sep. 30, 2013 There After	Sep. 30, 2013 Minimum Year One	Sep. 30, 2013 Maximum	Sep. 30, 2013 Maximum There After	Sep. 30, 2013 Average Year Two	Sep. 30, 2013 Base Rate Loans Minimum	Sep. 30, 2013 Base Rate Loans Maximum	Sep. 30, 2013 Eurodollar Loans Minimum	Sep. 30, 2013 Eurodollar Loans Maximum	Oct. 26, 2012 Credit Facility	Sep. 30, 2013 Credit Facility	Sep. 30, 2013 Term Loan	Jan. 31, 2011 ABL Credit Facility	Sep. 10, 2012 Senior Notes	Feb. 28, 2007 Senior Notes	Aug. 31, 2012 Senior Notes	Oct. 26, 2012 Senior Notes Credit Agreement	Sep. 30, 2013 Senior Notes Credit Agreement	Oct. 26, 2012 Senior Notes Credit Facility	Oct. 26, 2012 Revolving Loans Credit Facility	Sep. 30, 2013 Revolving Loans Credit Facility	Sep. 30, 2013 Standby Letters of Credit	Sep. 30, 2013 Letter of Credit
Debt Instrument [Line Items]
Aggregate principal amount																			$ 110,000
Annual interest rate	9.00%	9.00%								0.75%	1.50%	1.75%	2.50%						9.00%
Line of credit facility, expiration date																	Feb. 01, 2015		Feb. 01, 2015							Apr. 01, 2016	Apr. 01, 2017
Redeemed amount of the outstanding principle amount																				40,000
Redemption price percentage of principal amount																		102.25%			102.25%
Loss result from repurchase of senior note																		1,397
Call premium amount included in the debt retirement net loss																		900				1,463
Unamortized debt issuance cost included in the debt retirement net loss																		482				1,252
Other expenses included in the debt retirement net loss																		15				120
Aggregate principal amount outstanding																					65,000
Net loss on debt retirement	(2,835)	(1,397)																				2,835
Drawn amount under the credit facility																	20,000						85,000	25,000
Maturity period for the credit facility														5 years			90 days
Principal amount under the credit facility														60,000
Outstanding amount in connection with the issuance of letter of credit																								5,000
Letter of credit outstanding	4,466																								4,466	315
Letter of credit available																									20,534
Amortization of term loan, 2013	6,002															4,500
Amortization of term loan, 2014	6,000															6,000
Amortization of term loan, 2015	6,000															6,000
Amortization of term loan, 2016	7,500															6,000
Amortization of term loan, 2017	30,000															7,500
Amortization of term loan, thereafter																30,000
Leverage Ratio	1.04						3.00
Debt Service Coverage Ratio	6.21%					2.00%		2.50%	2.25%
Debt Service Coverage Ratio Commencing Date			Sep. 30, 2014	Sep. 29, 2015	Sep. 30, 2015
Debt issuance cost															$ 1,386
Percentage of Letter of credit outstanding																											105.00%

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INCOME TAXES (Tables)

12 Months Ended

Sep. 30, 2013

Income Tax Expense (Benefit) Classification

Income tax expense (benefit) is classified as follows for the years ended September 30:

	2013			2012			2011
Continuing Operations	$	12,243		$	(3,766	)	$	6,985
Discontinued Operations		(90	)		715			1,185
Total	$	12,153		$	(3,051	)	$	8,170

Components of Income Tax Expense (Benefit)

The components of the income tax expense (benefit) are as follows for the years ended September 30:

	2013			2012			2011
Current
Federal	$	11,930			1,328			(330	)
State		(9	)		1,129			(16	)
Foreign		-			183			(90	)
Deferred
Federal		(1,131	)		(4,473	)		7,614
State		1,363			(1,218	)		1,025
Foreign		-			-			(33	)
Income tax expense (benefit)	$	12,153			(3,051	)		8,170

Reconciliation of Federal Statutory Rate

A reconciliation of the federal statutory rate to our effective tax (benefit) rate from continuing operations is as follows for the years ended September 30:

	2013		2012		2011
Federal income tax at the statutory rate		35.0%		35.0%		(35.0%)
State income tax, net of federal benefit		3.4%		4.1%		(3.6%)
Nondeductible expenses		0.2%		1.4%		8.6%
Valuation allowance		(0.2%)		(62.9%)		318.6%
Interest and penalties		(2.0%)		0.4%		1.1%
Domestic production activities and state credits		(7.9%)		0.0%		0.0%
State tax rate change		5.4%		0.0%		0.0%
Other		0.7%		(0.7%)		2.0%
Effective tax rate		34.6%		(22.7%)		291.7%

Schedule of Deferred Tax Assets

Deferred tax assets are comprised of the following at September 30:

	2013			2012
Deferred tax assets:
Inventory	$	11,459		$	9,183
Pension obligations		10,755			22,270
Environmental remediation reserves		7,533			9,997
Accrued expenses		4,314			3,824
Deferred gain on sale of business		996			1,448
Tax credits and carryforwards		515			66
Other		1,117			1,439
Subtotal		36,689			48,227
Valuation allowance		-			(66	)
Deferred tax assets		36,689			48,161
Deferred tax liabilities:
Property, plant and equipment		(13,358	)		(13,805	)
Prepaid expenses		(576	)		(432	)
Other		(95	)		(100	)
Deferred tax liabilities		(14,029	)		(14,337	)
Net deferred tax assets	$	22,660		$	33,824

Deferred Tax Asset Valuation Allowance

The following schedule provides detail regarding our deferred tax asset valuation allowance as of September 30:

	2013			2012			2011
Balance, Beginning of Year	$	66		$	10,486		$	66
Amounts charged to income tax expense (benefit)		(66	)		(10,420	)		7,628
Amounts charged to other comprehensive income (loss)		-			-			2,792
Balance, End of the Year	$	-		$	66		$	10,486

Reconciliation of Unrecognized Tax Benefits

A reconciliation of the beginning and ending amount of unrecognized tax benefits as of September 30 is as follows:

	2013			2012
Unrecognized Tax Benefits - Beginning of Year	$	1,274		$	1,246
Additions for tax positions of prior years		-			28
Reductions for tax positions of prior years		(1,070	)		-
Lapse of statute of limitations		-			-
Unrecognized Tax Benefits - End of Year	$	204		$	1,274

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Employee Benefit Plans - Additional Information (Detail) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Sep. 30, 2013	Sep. 30, 2012	Sep. 30, 2011
Pension and Other Postretirement Benefits Disclosure [Line Items]
Number of defined benefit pension plans	3
Defined Contribution Plan	2
K 401 Plan
Pension and Other Postretirement Benefits Disclosure [Line Items]
Contribution to pension plans	$ 1,061	$ 1,378	$ 1,301
Pension Plans
Pension and Other Postretirement Benefits Disclosure [Line Items]
Additional Contribution to pension plans	2,100
SERP
Pension and Other Postretirement Benefits Disclosure [Line Items]
Additional Contribution to pension plans	$ 677

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Weighted Average Actuarial Assumptions (Detail)	12 Months Ended
	Sep. 30, 2013	Sep. 30, 2012	Sep. 30, 2011
Pension Plans
Pension Plans, Postretirement and Other Employee Benefits [Line Items]
Discount rate	5.31%	4.00%	5.40%
Rate of compensation increase	3.50%	3.50%	4.00%
Discount rate	4.00%	5.40%	5.80%
Rate of compensation increase	3.50%	4.00%	4.00%
Expected return on plan assets	8.00%	8.00%	8.00%
SERP
Pension Plans, Postretirement and Other Employee Benefits [Line Items]
Discount rate	4.67%	3.90%	4.80%
Rate of compensation increase	3.50%	3.50%	4.00%
Discount rate	3.90%	4.80%	4.80%
Rate of compensation increase	3.50%	4.00%	4.00%

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Reconciliation of Unrecognized Tax Benefits (Detail) (USD $) In Thousands, unless otherwise specified	1 Months Ended	12 Months Ended
	Dec. 31, 2012	Sep. 30, 2013	Sep. 30, 2012
Reconciliation of Unrecognized Tax Benefits [Line Items]
Unrecognized Tax Benefits - Beginning of Year		$ 1,274	$ 1,246
Additions for tax positions of prior years			28
Reductions for tax positions of prior years	(1,070)	(1,070)
Lapse of statute of limitations
Unrecognized Tax Benefits - End of Year		$ 204	$ 1,274

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Estimated Compensation Expenses For RSU Award (Detail) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Sep. 30, 2013	Sep. 30, 2012	Sep. 30, 2011
Employee Service Share-based Compensation, Allocation of Recognized Period Costs [Line Items]
Compensation cost (included in operating expenses)	$ 587	$ 508	$ 304
Tax benefit recognized	140	108	56
Net compensation cost	447	400	248
Restricted Stock Units
Employee Service Share-based Compensation, Allocation of Recognized Period Costs [Line Items]
Tax benefit recognized	720
Net compensation cost	1,163
Total compensation cost for non-vested awards not yet recognized	2,346
Weighted-average years to be recognized	1 year
Restricted Stock Units | Other long-term liabilities
Employee Service Share-based Compensation, Allocation of Recognized Period Costs [Line Items]
Accrued compensation cost included in other long-term liabilities at year end	1,883
Restricted Stock Units | Operating Expenses
Employee Service Share-based Compensation, Allocation of Recognized Period Costs [Line Items]
Compensation cost (included in operating expenses)	$ 1,883

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Schedule of Expected Recognized Periodic Pension Cost Related to Accumulated Comprehensive Loss (Detail) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Sep. 30, 2013
Pension Plans
Pension Plans, Postretirement and Other Employee Benefits [Line Items]
Amortization of net actuarial loss	$ 1,143
Amortization of prior service costs	67
Total	1,210
SERP
Pension Plans, Postretirement and Other Employee Benefits [Line Items]
Amortization of net actuarial loss	262
Amortization of prior service costs	420
Total	$ 682

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SHARE-BASED COMPENSATION (Tables)

12 Months Ended

Sep. 30, 2013

Summary of Outstanding and Non-Vested Stock Option and Restricted Stock Activity

A summary of our outstanding and non-vested stock option and restricted stock activity for the year ended September 30, 2013 is as follows:

	Stock Options										Restricted Stock
	Outstanding					Non-Vested					Outstanding and Non-Vested
	Shares			Weighted Average Exercise Price Per Share		Shares			Weighted Average Fair Value Per Share		Shares			Weighted Average Fair Value Per Share
Balance, September 30, 2012		612,071		$	8.47		138,835		$	3.55		64,497		$	7.52
Granted		47,470			11.93		47,470			5.41		36,060			11.93
Vested		-			-		(77,184	)		3.61		(29,505	)		7.42
Exercised		(204,157	)		8.72		-			-		-			-
Expired / Cancelled		(17,749	)		8.32		(4,749	)		3.77		(2,000	)		7.61
Balance, September 30, 2013		437,635			8.73		104,372			4.34		69,052			9.87

Summary of Exercisable Stock Options

A summary of our exercisable stock options as of September 30, 2013 is as follows:

Number of vested stock options		333,263
Weighted average exercise price per share	$	8.48
Aggregate intrinsic value	$	15,423
Weighted average remaining contractual term in years		4.5

Fair Value of Stock Option

We determine the fair value of stock option awards at their grant date, using a Black-Scholes Option-Pricing model applying the assumptions in the following table. We determine the fair value of restricted stock awards based on the fair market value of our common stock on the grant date. Actual compensation, if any, ultimately realized by optionees may differ significantly from the amount estimated using an option valuation model. The following stock option information is as of September 30:

	2013		2012		2011
Weighted average grant date fair value per share of options granted	$	5.41	$	3.46		-
Significant fair value assumptions
Expected term in years		5.70		5.70		-
Expected volatility		49.0%		49.0%		-
Expected dividends		0.0%		0.0%		-
Risk-free interest rates		0.64%		0.85%		-
Total intrinsic value of options exercised	$	2,910	$	525	$	20
Aggregate cash received for option exercises	$	1,781	$	754	$	81
Compensation cost (included in operating expenses)
Stock options	$	223	$	260	$	231
Restricted stock		364		248		73
Total		587		508		304
Tax benefit recognized		140		108		56
Net compensation cost	$	447	$	400	$	248
As of period end date
Total compensation cost for non-vested awards not yet recognized
Stock options	$	138	$	122	$	65
Restricted stock	$	218	$	167	$	15
Weighted-average years to be recognized
Stock options		1.4		1.5		1.0
Restricted stock		1.4		1.5		1.0

Summary of RSU Activity

A summary of our RSU activity for the year ended September 30, 2013 is as follows:

	Number of Units		Weighted- Average Grant Date Fair Value Per Unit
Outstanding, September 30, 2012		-	$	-
Grants		77,231		11.93
Forfeitures		-		-
Vested		-		-
Outstanding, September 30, 2013		77,231	$	11.93

Estimated Compensation Expenses For RSU Award

A summary of estimated compensation expense for RSU awards is as follows:

	Year Ended September 30,
	2013		2012
Compensation cost (included in operating expenses)	$	1,883	$	-
Tax benefit recognized		720		-
Net compensation cost	$	1,163	$	-
As of period end date:
Total compensation cost for non-vested awards not yet recognized	$	2,346	$	-
Weighted-average years to be recognized		1.0		-
Accrued compensation cost included in other long-term liabilities at year end	$	1,883	$	-

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Consolidated Statements of Comprehensive Income (Loss) (Parenthetical) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Sep. 30, 2013	Sep. 30, 2012	Sep. 30, 2011
Change in fair value arising during period, tax	$ 12	$ 0	$ 0
Reclassifications to net income, tax	86	0	0
Actuarial gains (losses) arising during period, tax	8,466	6,924	923
Amortization of losses to net income, tax	$ 1,704	$ 1,213	$ 894

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Consolidated Statements of Cash Flows (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Sep. 30, 2013	Sep. 30, 2012	Sep. 30, 2011
Cash Flows from Operating Activities:
Net Income (Loss)	$ 23,232	$ 25,319	$ (7,236)
Adjustments to Reconcile Net Income (Loss) to Net Cash Provided by Operating Activities:
Depreciation and amortization	13,453	14,491	15,216
Non-cash interest expense	320	747	845
Non-cash component of loss on debt retirement	1,252	482
Share-based compensation	587	508	304
Excess tax benefit from stock-based compensation	(826)	(138)
Deferred income taxes	1,722	(6,648)	8,787
Loss on sale of assets	3	77	3
Gain on sale of business		(5,059)
Changes in operating assets and liabilities:
Accounts receivable, net	2,863	129	10,824
Inventories	(15,220)	(9,996)	(1,126)
Prepaid expenses and other current assets	(64)	(299)	44
Accounts payable	1,306	1,109	3,975
Income taxes	(3,034)	2,252	2,636
Accrued liabilities	(1,204)	1,456	(2,309)
Accrued interest	(981)	(601)	14
Employee related liabilities	3,032	2,402	1,935
Customer deposits	21,858	(1,926)	1,915
Deferred revenues	6,462	(1,487)	(4,277)
Environmental remediation reserves	(4,807)	(9,419)	2,303
Pension obligations, net	1,339	(2,841)	(350)
Other	1,098	35	(428)
Discontinued operations, Net	(496)	1,054	(12,332)
Net Cash Provided by Operating Activities	51,895	11,647	20,743
Cash Flows from Investing Activities:
Capital expenditures	(13,916)	(8,788)	(11,931)
Proceeds from sale of business, net of cash sold and expenses		37,418
Other investing activities		131
Discontinued operations, net		(751)	(1,220)
Net Cash Provided (Used) by Investing Activities	(13,916)	28,010	(13,151)
Cash Flows from Financing Activities:
Issuance of long-term debt	60,000
Payments of long-term debt	(69,518)	(40,017)	(14)
Issuance of common stock	1,781	753	48
Excess tax benefit from stock-based compensation	826	138
Debt issuance costs	(1,386)		(878)
Discontinued operations, net		(45)	(56)
Net Cash Used by Financing Activities	(8,297)	(39,171)	(900)
Effect of Changes in Currency Exchange Rates on Cash		(7)	26
Net Change in Cash and Cash Equivalents	29,682	479	6,718
Cash and Cash Equivalents, Beginning of Year	31,182	30,703	23,985
Cash and Cash Equivalents, End of Year	60,864	31,182	30,703
Cash Paid (Refunded) For:
Interest	5,240	10,942	9,662
Income taxes	14,998	136	(2,928)
Non-Cash Investing and Financing Transactions:
Additions to Property, Plant and Equipment not yet paid	$ 266	$ 370	$ 317

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BALANCE SHEET DATA

12 Months Ended

Sep. 30, 2013

BALANCE SHEET DATA

3. BALANCE SHEET DATA

The following tables provide additional disclosure for accounts receivable, inventories and property, plant and equipment at September 30:

	2013			2012
Accounts Receivable:
Trade receivables	$	20,875		$	23,384
Employee and other receivables		462			827
Allowance for bad debt		(28	)		-
Total	$	21,309		$	24,211

We assess the collectability of our accounts receivable based on historical collection experience and provide allowances for estimated credit losses. Typically, our customers consist of large corporations and government contractors procuring products from us on behalf of or for the benefit of government agencies.

	2013		2012
Inventories:
Finished goods	$	9,020	$	2,966
Work-in-progress		36,032		28,851
Raw materials and supplies		14,520		12,340
Total	$	59,572	$	44,157

Finished goods includes final product that has shipped to our customers but remains subject to a specified customer acceptance period before revenues and the related costs of revenues are recognized.

	2013			2012
Property, Plant and Equipment:
Land and improvements	$	3,693		$	3,693
Buildings and improvements		52,343			50,891
Machinery and equipment		161,472			149,522
Construction in progress		4,264			3,689
Total Cost		221,772			207,795
Less: accumulated depreciation		(117,925	)		(104,479	)
Total	$	103,847		$	103,316

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Schedule of Actual and Target Asset Allocation for Pension Plans (Detail)	12 Months Ended
	Sep. 30, 2013	Sep. 30, 2012
Target
Pension Plans, Postretirement and Other Employee Benefits [Line Items]
Actual and target asset allocation	100.00%
Target | Equity securities
Pension Plans, Postretirement and Other Employee Benefits [Line Items]
Actual and target asset allocation	68.00%
Target | Debt securities
Pension Plans, Postretirement and Other Employee Benefits [Line Items]
Actual and target asset allocation	24.00%
Target | Real estate securities
Pension Plans, Postretirement and Other Employee Benefits [Line Items]
Actual and target asset allocation	5.00%
Target | Cash, Cash Equivalents and Marketable Securities
Pension Plans, Postretirement and Other Employee Benefits [Line Items]
Actual and target asset allocation	3.00%
Actual
Pension Plans, Postretirement and Other Employee Benefits [Line Items]
Actual and target asset allocation	100.00%	100.00%
Actual | Equity securities
Pension Plans, Postretirement and Other Employee Benefits [Line Items]
Actual and target asset allocation	68.00%	74.00%
Actual | Debt securities
Pension Plans, Postretirement and Other Employee Benefits [Line Items]
Actual and target asset allocation	21.00%	22.00%
Actual | Real estate securities
Pension Plans, Postretirement and Other Employee Benefits [Line Items]
Actual and target asset allocation	5.00%	0.00%
Actual | Cash, Cash Equivalents and Marketable Securities
Pension Plans, Postretirement and Other Employee Benefits [Line Items]
Actual and target asset allocation	6.00%	4.00%

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SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES

12 Months Ended

Sep. 30, 2013

SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES

1. SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES

Principles of Consolidation. Our consolidated financial statements include the accounts of American Pacific Corporation and our subsidiaries (the “Company,” “we,” “us” or “our”). All intercompany accounts have been eliminated. We report our results based on a fiscal year which ends on September 30. References to Fiscal years refer to the twelve months ended or ending September 30 of the Fiscal year referenced.

Discontinued Operations. In May 2012, our board of directors approved and we committed to a plan to sell our Aerospace Equipment segment, which is comprised of Ampac-ISP Corp. and its wholly-owned foreign subsidiaries (“AMPAC-ISP”). We completed the sale of substantially all of the assets of AMPAC-ISP effective August 1, 2012. The divestiture is a strategic shift that allows us to place more focus on the growth and performance of our pharmaceutical-related product lines. Revenues and expenses associated with the Aerospace Equipment segment operations are presented as discontinued operations for all periods presented. (See Note 13).

Use of Estimates. The preparation of financial statements in conformity with accounting principles generally accepted in the United States of America requires us to make estimates and assumptions that affect the reported amounts of assets and liabilities, disclosure of contingent assets and liabilities and the reported amounts of revenue and expenses. Judgments and assessments of uncertainties are required in applying our accounting policies in many areas. For example, key assumptions and estimates are particularly important when determining our projected liabilities for pension benefits, useful lives for depreciable and amortizable assets, and deferred tax assets. Other areas in which significant judgment exists include, but are not limited to, costs that may be incurred in connection with environmental matters and the resolution of litigation and other contingencies. Actual results may differ from estimates on which our consolidated financial statements were prepared.

Revenue Recognition. We recognize revenue when persuasive evidence of an arrangement exists, delivery has occurred or services have been rendered, title passes, the price is fixed or determinable and collectability is reasonably assured. Almost all products sold by our Fine Chemicals segment are subject to customer acceptance periods. Specifically, these customers have contractually negotiated acceptance periods from the time they receive certificates of analysis and compliance (“Certificates”) to reject the material based on issues with the quality of the product, as defined in the applicable agreement. At times we receive payment in advance of customer acceptance. If we receive payment in advance of customer acceptance, we record deferred revenues and deferred costs of revenue upon delivery of the product and recognize revenues in the period when the acceptance period lapses or the customer’s acceptance has occurred.

Some of our perchlorate and fine chemicals products customers have requested that we store materials purchased from us in our facilities (“Bill and Hold” transactions or arrangements). We recognize revenue prior to shipment of these Bill and Hold transactions when we have satisfied the applicable revenue recognition criteria, which include the point at which title and risk of ownership transfer to our customers. These customers have specifically requested in writing, pursuant to a contract, that we invoice for the finished product and hold the finished product until a later date. For our Bill and Hold arrangements that contain customer acceptance periods, we record deferred revenues and deferred costs of revenues when such products are available for delivery and Certificates have been delivered to the customers. We recognize revenue on our Bill and Hold transactions in the period when the acceptance period lapses or the customer’s acceptance has occurred. The sales value of inventory, subject to Bill and Hold arrangements, at our facilities was $9,517 and $19,346 as of September 30, 2013 and 2012, respectively.

Customer Deposits. Customer deposits include upfront payments received from customers at the inception of an arrangement and progress or milestones payments that become collectable as work progresses on an arrangement. These amounts are recorded as current liabilities and applied against the total consideration for an arrangement upon completion of the deliverable.

Deferred Revenues. Deferred revenues include revenues associated with products that have been delivered under an arrangement but have not yet met all of the requisite revenue recognition requirements. Most commonly we defer revenue recognition on shipped product because the customer acceptance period (discussed above) has not lapsed. Deferred costs of revenues, which is a component of inventories, includes the cost of inventory that is directly associated with deferred revenues. Deferred revenues and deferred costs of revenues are recognized when all elements of the revenue recognition process have been met.

Environmental Remediation. We are subject to environmental regulations that relate to our past and current operations. We record liabilities for environmental remediation costs when our assessments indicate that remediation efforts are probable and the costs can be reasonably estimated. On a quarterly basis, we review our estimates of future costs that could be incurred for remediation activities. In some cases, only a range of reasonably possible costs can be estimated. In establishing our reserves, the most probable estimate is used; otherwise, we accrue the minimum amount of the range. Estimates of liabilities are based on currently available facts, existing technologies and presently enacted laws and regulations. These estimates are subject to revision in future periods based on actual costs or new circumstances. Accrued environmental remediation costs include the undiscounted cost of equipment, operating and maintenance costs, and fees to outside law firms and consultants, for the estimated duration of the remediation activity and do not include an assumption for inflation. Estimating environmental cost requires us to exercise substantial judgment regarding the cost, effectiveness and duration of our remediation activities. Actual future expenditures could differ materially from our current estimates.

We evaluate potential claims for recoveries from other parties separately from our estimated liabilities. We record an asset for expected recoveries when recoveries of the amounts are probable.

Related Party Transactions. Our related party transactions generally fall into the following categories: payments of professional fees to firms affiliated with certain members of our board of directors, and payments to certain directors for consulting services outside of the scope of their duties as directors. For the years ended September 30, 2013, 2012 and 2011, such transactions totaled approximately $120, $180 and $146, respectively.

Cash and Cash Equivalents. All highly liquid investment securities with a maturity of three months or less when acquired are considered to be cash equivalents. We maintain cash balances that exceed federally insured limits; however, we have incurred no losses on such accounts.

Fair Value Disclosures. The current authoritative guidance on fair value clarifies the definition of fair value, prescribes methods for measuring fair value, establishes a fair value hierarchy based on the inputs used to measure fair value and expands disclosures about the use of fair value measurements. The valuation techniques utilized are based upon observable and unobservable inputs. Observable inputs reflect market data obtained from independent sources, while unobservable inputs reflect internal market assumptions. These two types of inputs create the following fair value hierarchy:

Level 1 – Quoted prices for identical instruments in active markets.

Level 2 – Quoted prices for similar instruments in active markets; quoted prices for identical or similar instruments in markets that are not active; and model-derived valuations whose inputs are observable or whose significant value drivers are observable.

Level 3 – Significant inputs to the valuation model are unobservable.

We estimate the fair value of cash and cash equivalents, accounts receivable, accounts payable and accrued liabilities approximate their carrying values due to their short-term nature. As of September 30, 2013, our floating-rate term loan had a carrying value of $55,500 and an estimated fair value of $55,898 (level 3 in the fair value hierarchy). Our interest rate swap agreement is recorded at fair value, which was an asset of $256 as of September 30, 2013 (level 2 in the fair value hierarchy). The estimated fair values of our floating-rate term loan and interest rate swap agreement are based on a valuation technique that takes into consideration expected cash flows, the then-current interest rates and the then-current creditworthiness of the Company or the counterparty, as applicable. Refer to Notes 4 and 5 for additional information regarding our term loan and interest rate swap agreement.

Derivative Instrument. We are party to an interest rate swap agreement for the purpose of hedging floating interest rate risk. The differential to be paid or received in connection with this instrument is accrued and recognized in income as an adjustment to interest expense. We formally document all relationships between hedging instruments and hedged items, as well as its risk management objectives and strategies for undertaking various hedging relationships. We assess hedge effectiveness at inception and on a quarterly basis. If it is determined that a derivative instrument is not highly effective or the transaction is no longer deemed probable of occurring, we discontinue hedge accounting and recognize the ineffective portion in current period earnings.

Concentration of Credit Risk. Financial instruments that have potential concentrations of credit risk include cash and cash equivalents and accounts receivable. We place our cash and cash equivalents with high quality credit institutions. Our accounts receivable have concentration risk because significant amounts relate to customers in the aerospace and defense or pharmaceutical industries. From time to time we make sales to a customer that exceed 10% of our then-outstanding accounts receivable balance. As of September 30, 2013, three Fine Chemicals segment customers and one Specialty Chemicals segment customer accounted for 14%, 12%, 10% and 15% of consolidated accounts receivable, respectively. As of September 30, 2012, two Fine Chemicals segment customers and one Specialty Chemicals segment customer accounted for 27%, 16% and 19% of consolidated accounts receivable, respectively.

Inventories. Inventories are stated at the lower of cost or market. Costs are removed from inventories using the average-cost method. Inventoried costs include materials, labor and manufacturing overhead. Inventoried costs also include certain overhead parts and supplies. General and administrative costs are expensed as incurred. Raw materials costs are determined on a moving average basis. We expense the cost of inventories which are considered to be excess because on-hand inventory quantities exceed our estimates of future demand.

Property, Plant and Equipment. Property, plant and equipment are carried at cost less accumulated depreciation. Depreciation is computed on the straight-line method over the estimated productive lives of the assets of three to 15 years for machinery and equipment and seven to 30 years for buildings and improvements. Leasehold improvements are depreciated over the shorter of the estimated productive life of seven to nine years or the term of the lease.

Depreciation and Amortization Expense. Depreciation and amortization expense for continuing operations is classified as follows in our statements of operations as of September 30:

	2013		2012		2011
Classified as cost of revenues
Depreciation	$	13,154	$	13,305	$	13,062
Classified as operating expenses
Depreciation		299		395		459
Amortization		-		-		537
Total continuing operations		13,453		13,700		14,058
Classified as discontinued operations		-		791		1,158
Total	$	13,453	$	14,491	$	15,216

Amortization expense related to an intangible asset of our Fine Chemicals segment for customer relationships. This intangible asset became fully amortized as of May 2011.

Income Taxes. We account for income taxes under the asset and liability method. Deferred tax assets and liabilities are recognized for the future tax consequences attributable to differences between the financial statement carrying amounts of assets and liabilities and their respective tax basis. Deferred tax assets and liabilities are measured separately for each tax-paying entity in each tax jurisdiction, using enacted tax rates expected to apply to taxable income in the years in which those temporary differences are expected to be recovered or settled. The effect on deferred tax assets and liabilities of a change in tax rates is recognized in the period that includes the enactment date.

We account for uncertain tax positions in accordance with an accounting standard which creates a single model to address uncertainty in income tax positions and prescribes the minimum recognition threshold a tax position is required to meet before being recognized in the financial statements. Under this standard, we may recognize tax benefits from an uncertain position only if it is more likely than not that the position will be sustained upon examination by taxing authorities based on the technical merits of the issue. The amount recognized is the largest benefit that we believe has greater than a 50% likelihood of being realized upon settlement.

Impairment of Long-Lived Assets. We test our property, plant and equipment assets for recoverability when events or changes in circumstances indicate that their carrying amounts may not be recoverable. Examples of such circumstances include, but are not limited to, operating or cash flow losses from the use of such assets or changes in our intended uses of such assets. To test for recovery, we group assets (an “Asset Group”) in a manner that represents the lowest level for which identifiable cash flows are largely independent of the cash flows of other groups of assets and liabilities. Our Asset Groups are typically identified by facility because each facility has a unique cost overhead and general and administrative expense structure that is supported by cash flows from products produced at the facility. The carrying amount of an Asset Group is not recoverable if it exceeds the sum of the undiscounted cash flows expected to result from the use and eventual disposition of the Asset Group.

If we determine that an Asset Group is not recoverable, then we would record an impairment charge if the carrying value of the Asset Group exceeds its fair value. Fair value is based on estimated discounted future cash flows expected to be generated by the Asset Group. The assumptions underlying cash flow projections would represent management’s best estimates at the time of the impairment review. Some of the factors that management would consider or estimate include: industry and market conditions, sales volume and prices, costs to produce and inflation. Changes in key assumptions or actual conditions which differ from estimates could result in an impairment charge. We use reasonable and supportable assumptions when performing impairment reviews but cannot predict the occurrence of future events and circumstances that could result in impairment charges. There were no impairments of long-lived assets recorded in any of the years presented.

Earnings (Loss) Per Share. Basic earnings (loss) per share is calculated by dividing net income (loss) by the weighted average shares outstanding during the year. Diluted earnings (loss) per share is calculated by dividing net income (loss) by the weighted average shares outstanding plus the dilutive effect of common share equivalents, which is computed using the treasury stock method.

Foreign Currency. We sold our foreign subsidiaries in connection with the divestiture of AMPAC-ISP. We translated our foreign subsidiaries’ assets and liabilities into U.S. dollars using the year-end exchange rate. Revenue and expense amounts were translated at the average monthly exchange rate. Foreign currency translation gains or losses were reported as cumulative currency translation adjustments as a component of stockholders’ equity. Foreign currency transaction gains or losses are included in discontinued operations for all periods presented.

Recently Issued or Adopted Accounting Standards. In June 2011, the Financial Accounting Standards Board (“FASB”) issued Accounting Standards Update (“ASU”) No. 2011-05, which amends Topic 220, Comprehensive Income. The amendment allows an entity to present the total of comprehensive income, the components of net income, and the components of other comprehensive income either in a single continuous statement of comprehensive income or in two separate but consecutive statements, and eliminates the option to present the components of other comprehensive income as part of the statement of changes in stockholders’ equity. The amendments do not change the items that must be reported in other comprehensive income or when an item of other comprehensive income must be reclassified to net income. This standard was effective for us beginning on October 1, 2012. This standard changes presentation requirements, and accordingly, the adoption of this standard did not have an impact on our results of operations, financial position or cash flows.

In February 2013, the FASB issued ASU No. 2013-2, which amends the Comprehensive Income Topic of the Accounting Standards Codification (ASC). The updated standard requires the presentation of information about reclassifications out of accumulated other comprehensive income. ASU No. 2013-2 is effective for us beginning October 1, 2013. The updated standard will affect our disclosures but has no impact on our results of operations, financial condition or liquidity.

In July 2013, the FASB issued ASU No. 2013-10, Derivatives and Hedging (ASU Topic 815) – Inclusion of the Fed Funds Effective Swap Rate (or Overnight Index Swap Rate) as a Benchmark Interest Rate for Hedge Accounting Purposes. The amendments in this update permit the Fed Funds Effective Swap Rate (OIS) to be used as a U.S. benchmark interest rate for hedge accounting purposes under ASC Topic 815, in addition to U.S. Treasury (“UST”) and London Interbank Offered Rate (“LIBOR”). The amendments also remove the restriction on using different benchmark rates for similar hedges. The amendments are effective prospectively for qualifying new or redesignated hedging relationships entered into on or after July 17, 2013. We have not entered into any new hedging relationships since July 17, 2013.

In July 2013, the FASB issued ASU No. 2013-11, Income Taxes (Topic 740): Presentation of an Unrecognized Tax Benefit When a Net Operating Loss Carryforward, a Similar Tax Loss, or a Tax Credit Carryforward Exists. This new standard requires the netting of unrecognized tax benefits against a deferred tax asset for a loss or other carryforward that would apply in settlement of the uncertain tax positions. Under the new standard, unrecognized tax benefits will be netted against all available same-jurisdiction loss or other tax carryforwards that would be utilized, rather than only against carryforwards that are created by the unrecognized tax benefits. We do not expect that the new standard will have a material impact on our condensed consolidated financial statements.

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Fair Value of Stock Option (Detail) (USD $) In Thousands, except Per Share data, unless otherwise specified	12 Months Ended
	Sep. 30, 2013	Sep. 30, 2012	Sep. 30, 2011
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Weighted average grant date fair value per share of options granted	$ 5.41	$ 3.46
Significant fair value assumptions
Expected term in years	5 years 8 months 12 days	5 years 8 months 12 days
Expected volatility	49.00%	49.00%
Expected dividends	0.00%	0.00%
Risk-free interest rates	0.64%	0.85%
Total intrinsic value of options exercised	$ 2,910	$ 525	$ 20
Aggregate cash received for option exercises	1,781	754	81
Compensation cost (included in operating expenses)
Compensation cost	587	508	304
Tax benefit recognized	140	108	56
Net compensation cost	447	400	248
Stock Options
Compensation cost (included in operating expenses)
Compensation cost	223	260	231
Total compensation cost for non-vested awards not yet recognized
Total compensation cost for non-vested awards	138	122	65
Weighted-average years to be recognized
Weighted-average years	1 year 4 months 24 days	1 year 6 months	1 year
Restricted Stock
Compensation cost (included in operating expenses)
Compensation cost	364	248	73
Total compensation cost for non-vested awards not yet recognized
Total compensation cost for non-vested awards	$ 218	$ 167	$ 15
Weighted-average years to be recognized
Weighted-average years	1 year 4 months 24 days	1 year 6 months	1 year

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DERIVATIVE INSTRUMENT (Tables)

12 Months Ended

Sep. 30, 2013

Quantitative Disclosures about the Swap Agreement Before Income Tax Effects

The following table provides quantitative disclosures about the Swap Agreement before income tax effects for the years ended September 30:

	September 30,
	2013		2012
Balance sheet location of fair value:
Other assets	$	554	$	-
Accrued liabilities	$	298	$	-

Interest Rate Swap Agreement Amount of Gain (Loss) and Reclassification

	Year Ended September 30,
	2013		2012		2011
Amount of gain (loss) recognized in other comprehensive income (effective portion)	$	31	$	-	$	-
Amount reclassified from accumulated other comprehensive income to interest expense (effective portion)	$	225	$	-	$	-

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EMPLOYEE BENEFIT PLANS (Tables)

12 Months Ended

Sep. 30, 2013

Annual Changes in Benefit Obligations and Plan Assets and Funded Status of Pension Plans and SERP

The table below presents the annual changes in benefit obligations and plan assets and the funded status of our Pension Plans and SERP as of and for the fiscal years ended September 30:

	Pension Plans						SERP
	2013			2012			2013			2012
Change in Benefit Obligation:
Benefit obligation, beginning of year	$	96,989		$	73,383		$	11,087		$	7,942
Service cost		3,326			2,653			817			435
Interest cost		3,944			3,915			422			369
Amendments		298			-			-			-
Actuarial losses		(18,090	)		18,693			(615	)		2,868
Benefits paid		(1,781	)		(1,655	)		(525	)		(527	)
Benefit obligation, end of year		84,686			96,989			11,186			11,087
Change in Plan Assets:
Fair value of plan assets, beginning of year		52,249			36,935			-			-
Actual return (loss) on plan assets		8,124			7,649			-			-
Employer contributions		6,704			9,320			525			527
Benefits paid		(1,781	)		(1,655	)		(525	)		(527	)
Fair value of plan assets, end of year		65,296			52,249			-			-
Funded status	$	(19,390	)	$	(44,740	)	$	(11,186	)	$	(11,087	)

Amounts Pertaining to Pension Plans and SERP Recognized in Consolidated Balance Sheet

Amounts pertaining to our Pension Plans and SERP recognized in our consolidated balance sheet are classified as follows as of September 30:

	Pension Plans						SERP
	2013			2012			2013			2012
Employee related liabilities	$	-		$	-		$	(677	)	$	(527	)
Pension obligations and other long-term liabilities		(19,390	)		(44,740	)		(10,509	)		(10,560	)
Net amount recognized	$	(19,390	)	$	(44,740	)	$	(11,186	)	$	(11,087	)

Changes in Components of Unrecognized Benefit Plan Costs

The following table summarizes changes in the components of unrecognized benefit plan costs for the year ended September 30:

	Pension Plans						SERP
	2013			2012			2013			2012
Net actuarial loss	$	(21,817	)	$	14,443		$	(616	)	$	2,867
Prior service costs		298			-			-			-
Amortization of:
Net actuarial loss from previous years		(3,590	)		(2,549	)		(376	)		-
Prior service costs		(70	)		(63	)		(420	)		(420	)
Income tax benefits related to above items		9,631			(4,732	)		540			(979	)
Changes in unrecognized benefit plan costs	$	(15,548	)	$	7,099		$	(872	)	$	1,468

Amounts Recognized as Components of Accumulated Other Comprehensive Loss

The following table sets forth the amounts recognized as components of accumulated other comprehensive loss at September 30:

	Pension Plans						SERP
	2013			2012			2013			2012
Net actuarial loss	$	17,950		$	43,357		$	2,576		$	3,568
Prior service costs		642			414			982			1,402
Income tax benefits related to above items		(4,931	)		(14,562	)		(1,602	)		(2,142	)
Unrecognized benefit plan costs, net of tax	$	13,661		$	29,209		$	1,956		$	2,828

Expected Recognized Periodic Pension Cost Related to Accumulated Comprehensive Loss

The table below sets forth the amounts in accumulated other comprehensive loss at September 30, 2013, that we expect to recognize in periodic pension cost in the year ending September 30, 2014.

	Pension Plans		SERP
Amortization of net actuarial loss	$	1,143	$	262
Amortization of prior service costs		67		420
	$	1,210	$	682

Defined Benefit Plans

The table below provides data for our defined benefit plans as of September 30:

	2013		2012
Plan Assets:
Ampac Plan	$	49,913	$	41,055
AFC Salaried Plan		8,991		6,744
AFC Bargaining Plan		6,392		4,450
Accumulated Benefit Obligation:
Ampac Plan		54,786		61,368
AFC Salaried Plan		10,409		12,500
AFC Bargaining Plan		7,210		7,585
Projected Benefit Obligation:
Ampac Plan		65,838		74,645
AFC Salaried Plan		11,638		14,759
AFC Bargaining Plan		7,210		7,585

Net Periodic Benefit Plan Cost

Net periodic benefit plan cost is comprised of the following for the years ended September 30:

	Pension Plans									SERP
	2013			2012			2011			2013		2012		2011
Net Periodic Benefit Plan Cost:
Service cost	$	3,326		$	2,653		$	2,432		$	817	$	435	$	324
Interest cost		3,944			3,914			3,541			422		369		356
Expected return on plan assets		(4,399	)		(3,398	)		(2,886	)		-		-		-
Recognized actuarial losses		3,589			2,549			1,752			376		-		-
Amortization of prior service costs		70			63			63			420		420		420
Net periodic pension cost	$	6,530		$	5,781		$	4,902		$	2,035	$	1,224	$	1,100

Weighted Average Actuarial Assumptions

Assumptions.

	Pension Plans						SERP
	2013		2012		2011		2013		2012		2011
Weighted-Average Actuarial Assumptions
Used to Determine Benefit Obligation as of September 30:
Discount rate		5.31%		4.00%		5.40%		4.67%		3.90%		4.80%
Rate of compensation increase		3.50%		3.50%		4.00%		3.50%		3.50%		4.00%
Weighted-Average Actuarial Assumptions
Used to Determine Net Periodic Benefit
Plan Cost for the Years Ended
September 30:
Discount rate		4.00%		5.40%		5.80%		3.90%		4.80%		4.80%
Rate of compensation increase		3.50%		4.00%		4.00%		3.50%		4.00%		4.00%
Expected return on plan assets		8.00%		8.00%		8.00%		-		-		-

Actual and Target Asset Allocation for Pension Plans

Using policy target allocation percentages and the asset class expected returns, a weighted average expected return was calculated. The actual and target asset allocation for the Pension Plans is as follows at September 30:

	Target		Actual
	2013		2013		2012
Equity securities		68%		68%		74%
Debt securities		24%		21%		22%
Real estate securities		5%		5%		0%
Cash and marketable securities		3%		6%		4%
Total		100%		100%		100%

Fair Values of Pension Plan Assets

The table below provides the fair values of the Pension Plans’ assets as of September 30, 2013 and 2012, by asset category, and identifies the level of inputs used to determine the fair value of assets in each category (see Note 1 for additional information regarding the level categories).

	Quotes Prices in Active Markets for Identical Assets (Level 1)		Significant Other Observable Inputs (Level 2)		Significant Unobservable Inputs (Level 3)		Total
September 30, 2013:
Equity Securities
Domestic large-cap	$	15,964					$	15,964
Domestic mid-cap		3,331						3,331
Domestic small-cap		902						902
International		7,861						7,861
Mutual funds		15,478						15,478
Other		1,324						1,324
Fixed Income Securities
Mutual funds		6,216						6,216
Corporate bonds			$	3,999				3,999
Certificate of deposit								-
U.S. Treasuries		1,016						1,016
Mortgage-backed				303				303
Foreign bonds				1,901				1,901
Real Estate Securities		3,076						3,076
Cash and cash equivalents		3,859						3,859
Other		7		58				65
	$	59,034	$	6,261	$	-	$	65,295
September 30, 2012:
Equity Securities
Domestic large-cap	$	20,188					$	20,188
Domestic mid-cap		5,590						5,590
Domestic small-cap		1,768						1,768
International		5,939						5,939
Other		3,217						3,217
Fixed Income Securities								-
Mutual funds		6,146						6,146
Corporate bonds			$	3,652				3,652
Certificate of deposit				805				805
U.S. Treasuries		973						973
Mortgage-backed				477				477
Foreign bonds				1,366				1,366
Cash and cash equivalents		2,056						2,056
Other				72				72
	$	45,877	$	6,372	$	-	$	52,249

Expected Future Benefit Payments

The table below sets forth expected future benefit payments for the years ending September 30:

Years ending September 30:	Pension Plans		SERP
2014	$	2,344	$	677
2015		2,464		662
2016		2,681		1,081
2017		2,779		1,055
2018		3,019		1,027
2019-2023		20,326		4,662

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Schedule of Net Periodic Benefit Cost and Weighted Average Assumptions (Detail) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Sep. 30, 2013	Sep. 30, 2012	Sep. 30, 2011
Pension Plans
Defined Benefit Plan Disclosure [Line Items]
Service cost	$ 3,326	$ 2,653	$ 2,432
Interest cost	3,944	3,914	3,541
Expected return on plan assets	(4,399)	(3,398)	(2,886)
Recognized actuarial losses	3,589	2,549	1,752
Amortization of prior service costs	70	63	63
Net periodic pension cost	6,530	5,781	4,902
SERP
Defined Benefit Plan Disclosure [Line Items]
Service cost	817	435	324
Interest cost	422	369	356
Recognized actuarial losses	376
Amortization of prior service costs	420	420	420
Net periodic pension cost	$ 2,035	$ 1,224	$ 1,100

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Depreciation and Amortization Expense (Detail) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Sep. 30, 2013	Sep. 30, 2012	Sep. 30, 2011
Classified as cost of revenues
Depreciation	$ 13,154	$ 13,305	$ 13,062
Classified as operating expenses
Depreciation	299	395	459
Amortization			537
Total continuing operations	13,453	13,700	14,058
Classified as discontinued operations		791	1,158
Total	$ 13,453	$ 14,491	$ 15,216

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Schedule of Defined Benefit Plans (Detail) (USD $) In Thousands, unless otherwise specified	Sep. 30, 2013	Sep. 30, 2012
Pension Plans, Postretirement and Other Employee Benefits [Line Items]
Plan Assets	$ 65,295	$ 52,249
Amended and Restated American Pacific Corporation Defined Benefit Pension Plan
Pension Plans, Postretirement and Other Employee Benefits [Line Items]
Plan Assets	49,913	41,055
Accumulated Benefit Obligation	54,786	61,368
Projected Benefit Obligation	65,838	74,645
Ampac Fine Chemicals LLC Pension Plan for Salaried Employees
Pension Plans, Postretirement and Other Employee Benefits [Line Items]
Plan Assets	8,991	6,744
Accumulated Benefit Obligation	10,409	12,500
Projected Benefit Obligation	11,638	14,759
Ampac Fine Chemicals LLC Pension Plan for Bargaining Unit Employees
Pension Plans, Postretirement and Other Employee Benefits [Line Items]
Plan Assets	6,392	4,450
Accumulated Benefit Obligation	7,210	7,585
Projected Benefit Obligation	$ 7,210	$ 7,585

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Shares Used to Compute Earnings Per Share (Detail) (USD $) In Thousands, except Share data, unless otherwise specified	12 Months Ended
	Sep. 30, 2013	Sep. 30, 2012	Sep. 30, 2011
Schedule Of Computation Of Basic And Diluted Earnings Per Common Share [Line Items]
Income (Loss) from Continuing Operations	$ 23,133	$ 20,332	$ (9,379)
Basic Weighted Average Shares	7,772,000	7,554,000	7,517,000
Diluted:
Weighted Average Shares, Basic	7,772,000	7,554,000	7,517,000
Weighted Average Shares, Diluted	8,101,000	7,663,000	7,517,000
Basic Earnings (Loss) per Share from Continuing Operations	$ 2.98	$ 2.69	$ (1.25)
Diluted Earnings (Loss) per Share from Continuing Operations	$ 2.86	$ 2.65	$ (1.25)
Stock Option
Diluted:
Dilutive Effect of Restricted Stock	291,000	82,000
Restricted Stock
Diluted:
Dilutive Effect of Restricted Stock	38,000	27,000

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Principal Maturities for Outstanding Debt and Credit Facility (Detail) (USD $) In Thousands, unless otherwise specified	Sep. 30, 2013
Principal Amounts Of Long Term Debt Including Senior Notes And Non Recourse Funding By Maturity [Line Items]
2014	$ 6,002
2015	6,000
2016	6,000
2017	7,500
2018	30,000
Total	$ 55,502

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Inventories (Detail) (USD $) In Thousands, unless otherwise specified	Sep. 30, 2013	Sep. 30, 2012
Inventory [Line Items]
Finished goods	$ 9,020	$ 2,966
Work-in-progress	36,032	28,851
Raw materials and supplies	14,520	12,340
Total	$ 59,572	$ 44,157

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Consolidated Balance Sheets (Parenthetical) (USD $)	Sep. 30, 2013	Sep. 30, 2012
Preferred Stock, par value	$ 1.00	$ 1.00
Preferred Stock, shares authorized	3,000,000	3,000,000
Preferred Stock, shares outstanding
Common Stock, par value	$ 0.1	$ 0.1
Common Stock, shares authorized	20,000,000	20,000,000
Common Stock, shares issued	7,949,000	7,710,783
Common Stock, shares outstanding	7,949,000	7,710,783

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ACCUMULATED OTHER COMPREHENSIVE LOSS

12 Months Ended

Sep. 30, 2013

ACCUMULATED OTHER COMPREHENSIVE LOSS

6. ACCUMULATED OTHER COMPREHENSIVE LOSS

The following table provides changes in accumulated other comprehensive loss by component, net of income tax:

	Defined Benefit Pension Plans			Cash Flow Hedge		Foreign Currency Items			Total
Balance, September 30, 2011	$	(23,470	)	$	-	$	(475	)	$	(23,945)
Current year other comprehensive income (loss)		(8,567	)		-		475			(8,092)
Balance, September 30, 2012		(32,037	)		-		-			(32,037)
Current year other comprehensive income (loss)		16,420			158		-			16,578
Balance, September 30, 2013	$	(15,617	)	$	158	$	-		$	(15,459)

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Consolidated Statements of Comprehensive Income (Loss) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Sep. 30, 2013	Sep. 30, 2012	Sep. 30, 2011
Net Income (Loss)	$ 23,232	$ 25,319	$ (7,236)
Cash Flow Hedge:
Change in fair value arising during period (net of income tax of $12, $0 and $0)	19
Less reclassifications to net income (net of income tax of $86, $0, and $0)	139
OCI (Loss), Derivatives Qualifying as Hedges, Net of Tax	158
Defined Benefit Pension Plans:
Actuarial gains (losses) arising during period (net of income tax of $8,466, $6,924 and $923)	13,668	(10,386)	(8,364)
Less amortization of losses to net income (net of tax of $1,704, $1,213 and $894)	2,752	1,819	1,341
Other Comprehensive (Income) Loss, Pension and Other Postretirement Benefit Plans, Adjustment, Net of Tax	16,420	(8,567)	(7,023)
Foreign currency translation adjustments		475	(14)
Total Other Comprehensive Income (Loss)	16,578	(8,092)	(7,037)
Comprehensive Income (Loss)	$ 39,810	$ 17,227	$ (14,273)

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Components of Income Tax Expense (Benefit) (Detail) (USD $)	12 Months Ended
	Sep. 30, 2013	Sep. 30, 2012	Sep. 30, 2011
Current
Federal	$ 11,930	$ 1,328	$ (330)
State	(9)	1,129	(16)
Foreign		183	(90)
Deferred
Federal	(1,131)	(4,473)	7,614
State	1,363	(1,218)	1,025
Foreign			(33)
Income tax expense (benefit)	$ 12,153	$ (3,051)	$ 8,170

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Consolidated Balance Sheets (USD $) In Thousands, unless otherwise specified	Sep. 30, 2013	Sep. 30, 2012
Current Assets:
Cash and Cash Equivalents	$ 60,864	$ 31,182
Accounts Receivable, Net	21,309	24,211
Inventories	59,572	44,157
Prepaid Expenses and Other Assets	1,541	1,477
Income Taxes Receivable	1,567	2
Deferred Income Taxes	16,214	13,028
Total Current Assets	161,067	114,057
Property, Plant and Equipment, Net	103,847	103,316
Deferred Income Taxes	6,446	20,796
Other Assets	5,947	8,295
TOTAL ASSETS	277,307	246,464
Current Liabilities:
Accounts Payable	13,501	12,006
Accrued Liabilities	5,453	6,359
Accrued Interest	7	988
Employee Related Liabilities	11,325	10,568
Income Taxes Payable	629	2,098
Customer Deposits	26,936	5,078
Deferred Revenues	8,677	2,215
Current Portion of Environmental Remediation Reserves	2,244	5,114
Current Portion of Long-Term Debt	6,002	16
Total Current Liabilities	74,774	44,442
Long-Term Debt	49,500	65,004
Environmental Remediation Reserves	9,703	11,640
Pension Obligations	29,899	55,300
Other Long-Term Liabilities	2,094	1,745
Total Liabilities	165,970	178,131
Commitments and Contingencies
Stockholders' Equity
Preferred Stock - $1.00 par value; 3,000,000 authorized; none outstanding
Common Stock - $0.10 par value; 20,000,000 shares authorized, 7,949,000 and 7,710,783 issued and outstanding	795	771
Capital in Excess of Par Value	77,966	74,796
Retained Earnings	48,035	24,803
Accumulated Other Comprehensive Loss	(15,459)	(32,037)
Total Stockholders' Equity	111,337	68,333
TOTAL LIABILITIES AND STOCKHOLDERS' EQUITY	$ 277,307	$ 246,464

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Derivative Instrument - Additional Information (Detail) (Interest Rate Swap, USD $) In Thousands, unless otherwise specified	1 Months Ended
	Jan. 24, 2013	Sep. 30, 2013
Interest Rate Swap
Derivative Instruments Notional And Fair Value [Line Items]
Initial notional amount	$ 58,875
Derivative agreement maturity date	Oct. 26, 2017
Interest rate swap fixed rate	0.775%
Fair value of the swap agreement		$ 256

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Segment Information - Additional Information (Detail)	12 Months Ended
	Sep. 30, 2013	Sep. 30, 2012	Sep. 30, 2011
Segment Reporting, Revenue Reconciling Item [Line Items]
Number of reporting segments	3
Entity-Wide Revenue, Major Customer, Percentage	More than 10%
Outside the U.S. | Sales
Segment Reporting, Revenue Reconciling Item [Line Items]
Entity-Wide Revenue, Major Customer, Percentage	43.00%	36.00%	25.00%
IRELAND | Sales
Segment Reporting, Revenue Reconciling Item [Line Items]
Entity-Wide Revenue, Major Customer, Percentage	19.00%	17.00%
BELGIUM | Sales
Segment Reporting, Revenue Reconciling Item [Line Items]
Entity-Wide Revenue, Major Customer, Percentage		12.00%

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Expected Future Benefit Payments (Detail) (USD $) In Thousands, unless otherwise specified	Sep. 30, 2013
Pension Plans
Pension Plans, Postretirement and Other Employee Benefits [Line Items]
2014	$ 2,344
2015	2,464
2016	2,681
2017	2,779
2018	3,019
2019-2023	20,326
SERP
Pension Plans, Postretirement and Other Employee Benefits [Line Items]
2014	677
2015	662
2016	1,081
2017	1,055
2018	1,027
2019-2023	$ 4,662

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ACCUMULATED OTHER COMPREHENSIVE LOSS (Tables)

12 Months Ended

Sep. 30, 2013

Changes in Accumulated Other Comprehensive Loss by Component, Net of Income Tax

The following table provides changes in accumulated other comprehensive loss by component, net of income tax:

	Defined Benefit Pension Plans			Cash Flow Hedge		Foreign Currency Items			Total
Balance, September 30, 2011	$	(23,470	)	$	-	$	(475	)	$	(23,945)
Current year other comprehensive income (loss)		(8,567	)		-		475			(8,092)
Balance, September 30, 2012		(32,037	)		-		-			(32,037)
Current year other comprehensive income (loss)		16,420			158		-			16,578
Balance, September 30, 2013	$	(15,617	)	$	158	$	-		$	(15,459)

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SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Policies)

12 Months Ended

Sep. 30, 2013

Principles of Consolidation

Principles of Consolidation. Our consolidated financial statements include the accounts of American Pacific Corporation and our subsidiaries (the “Company,” “we,” “us” or “our”). All intercompany accounts have been eliminated. We report our results based on a fiscal year which ends on September 30. References to Fiscal years refer to the twelve months ended or ending September 30 of the Fiscal year referenced.

Discontinued Operations

Discontinued Operations. In May 2012, our board of directors approved and we committed to a plan to sell our Aerospace Equipment segment, which is comprised of Ampac-ISP Corp. and its wholly-owned foreign subsidiaries (“AMPAC-ISP”). We completed the sale of substantially all of the assets of AMPAC-ISP effective August 1, 2012. The divestiture is a strategic shift that allows us to place more focus on the growth and performance of our pharmaceutical-related product lines. Revenues and expenses associated with the Aerospace Equipment segment operations are presented as discontinued operations for all periods presented. (See Note 13).

Use of Estimates

Use of Estimates. The preparation of financial statements in conformity with accounting principles generally accepted in the United States of America requires us to make estimates and assumptions that affect the reported amounts of assets and liabilities, disclosure of contingent assets and liabilities and the reported amounts of revenue and expenses. Judgments and assessments of uncertainties are required in applying our accounting policies in many areas. For example, key assumptions and estimates are particularly important when determining our projected liabilities for pension benefits, useful lives for depreciable and amortizable assets, and deferred tax assets. Other areas in which significant judgment exists include, but are not limited to, costs that may be incurred in connection with environmental matters and the resolution of litigation and other contingencies. Actual results may differ from estimates on which our consolidated financial statements were prepared.

Revenue Recognition

Revenue Recognition. We recognize revenue when persuasive evidence of an arrangement exists, delivery has occurred or services have been rendered, title passes, the price is fixed or determinable and collectability is reasonably assured. Almost all products sold by our Fine Chemicals segment are subject to customer acceptance periods. Specifically, these customers have contractually negotiated acceptance periods from the time they receive certificates of analysis and compliance (“Certificates”) to reject the material based on issues with the quality of the product, as defined in the applicable agreement. At times we receive payment in advance of customer acceptance. If we receive payment in advance of customer acceptance, we record deferred revenues and deferred costs of revenue upon delivery of the product and recognize revenues in the period when the acceptance period lapses or the customer’s acceptance has occurred.

Some of our perchlorate and fine chemicals products customers have requested that we store materials purchased from us in our facilities (“Bill and Hold” transactions or arrangements). We recognize revenue prior to shipment of these Bill and Hold transactions when we have satisfied the applicable revenue recognition criteria, which include the point at which title and risk of ownership transfer to our customers. These customers have specifically requested in writing, pursuant to a contract, that we invoice for the finished product and hold the finished product until a later date. For our Bill and Hold arrangements that contain customer acceptance periods, we record deferred revenues and deferred costs of revenues when such products are available for delivery and Certificates have been delivered to the customers. We recognize revenue on our Bill and Hold transactions in the period when the acceptance period lapses or the customer’s acceptance has occurred. The sales value of inventory, subject to Bill and Hold arrangements, at our facilities was $9,517 and $19,346 as of September 30, 2013 and 2012, respectively.

Customer Deposits

Customer Deposits. Customer deposits include upfront payments received from customers at the inception of an arrangement and progress or milestones payments that become collectable as work progresses on an arrangement. These amounts are recorded as current liabilities and applied against the total consideration for an arrangement upon completion of the deliverable.

Deferred Revenues

Deferred Revenues. Deferred revenues include revenues associated with products that have been delivered under an arrangement but have not yet met all of the requisite revenue recognition requirements. Most commonly we defer revenue recognition on shipped product because the customer acceptance period (discussed above) has not lapsed. Deferred costs of revenues, which is a component of inventories, includes the cost of inventory that is directly associated with deferred revenues. Deferred revenues and deferred costs of revenues are recognized when all elements of the revenue recognition process have been met.

Environmental Remediation

Environmental Remediation. We are subject to environmental regulations that relate to our past and current operations. We record liabilities for environmental remediation costs when our assessments indicate that remediation efforts are probable and the costs can be reasonably estimated. On a quarterly basis, we review our estimates of future costs that could be incurred for remediation activities. In some cases, only a range of reasonably possible costs can be estimated. In establishing our reserves, the most probable estimate is used; otherwise, we accrue the minimum amount of the range. Estimates of liabilities are based on currently available facts, existing technologies and presently enacted laws and regulations. These estimates are subject to revision in future periods based on actual costs or new circumstances. Accrued environmental remediation costs include the undiscounted cost of equipment, operating and maintenance costs, and fees to outside law firms and consultants, for the estimated duration of the remediation activity and do not include an assumption for inflation. Estimating environmental cost requires us to exercise substantial judgment regarding the cost, effectiveness and duration of our remediation activities. Actual future expenditures could differ materially from our current estimates.

We evaluate potential claims for recoveries from other parties separately from our estimated liabilities. We record an asset for expected recoveries when recoveries of the amounts are probable.

Related Party Transactions

Related Party Transactions. Our related party transactions generally fall into the following categories: payments of professional fees to firms affiliated with certain members of our board of directors, and payments to certain directors for consulting services outside of the scope of their duties as directors. For the years ended September 30, 2013, 2012 and 2011, such transactions totaled approximately $120, $180 and $146, respectively.

Cash and Cash Equivalents

Cash and Cash Equivalents. All highly liquid investment securities with a maturity of three months or less when acquired are considered to be cash equivalents. We maintain cash balances that exceed federally insured limits; however, we have incurred no losses on such accounts.

Fair Value Disclosures

Fair Value Disclosures. The current authoritative guidance on fair value clarifies the definition of fair value, prescribes methods for measuring fair value, establishes a fair value hierarchy based on the inputs used to measure fair value and expands disclosures about the use of fair value measurements. The valuation techniques utilized are based upon observable and unobservable inputs. Observable inputs reflect market data obtained from independent sources, while unobservable inputs reflect internal market assumptions. These two types of inputs create the following fair value hierarchy:

Level 1 – Quoted prices for identical instruments in active markets.

Level 2 – Quoted prices for similar instruments in active markets; quoted prices for identical or similar instruments in markets that are not active; and model-derived valuations whose inputs are observable or whose significant value drivers are observable.

Level 3 – Significant inputs to the valuation model are unobservable.

We estimate the fair value of cash and cash equivalents, accounts receivable, accounts payable and accrued liabilities approximate their carrying values due to their short-term nature. As of September 30, 2013, our floating-rate term loan had a carrying value of $55,500 and an estimated fair value of $55,898 (level 3 in the fair value hierarchy). Our interest rate swap agreement is recorded at fair value, which was an asset of $256 as of September 30, 2013 (level 2 in the fair value hierarchy). The estimated fair values of our floating-rate term loan and interest rate swap agreement are based on a valuation technique that takes into consideration expected cash flows, the then-current interest rates and the then-current creditworthiness of the Company or the counterparty, as applicable. Refer to Notes 4 and 5 for additional information regarding our term loan and interest rate swap agreement.

Derivative Instrument

Derivative Instrument. We are party to an interest rate swap agreement for the purpose of hedging floating interest rate risk. The differential to be paid or received in connection with this instrument is accrued and recognized in income as an adjustment to interest expense. We formally document all relationships between hedging instruments and hedged items, as well as its risk management objectives and strategies for undertaking various hedging relationships. We assess hedge effectiveness at inception and on a quarterly basis. If it is determined that a derivative instrument is not highly effective or the transaction is no longer deemed probable of occurring, we discontinue hedge accounting and recognize the ineffective portion in current period earnings.

Concentration of Credit Risk

Concentration of Credit Risk. Financial instruments that have potential concentrations of credit risk include cash and cash equivalents and accounts receivable. We place our cash and cash equivalents with high quality credit institutions. Our accounts receivable have concentration risk because significant amounts relate to customers in the aerospace and defense or pharmaceutical industries. From time to time we make sales to a customer that exceed 10% of our then-outstanding accounts receivable balance. As of September 30, 2013, three Fine Chemicals segment customers and one Specialty Chemicals segment customer accounted for 14%, 12%, 10% and 15% of consolidated accounts receivable, respectively. As of September 30, 2012, two Fine Chemicals segment customers and one Specialty Chemicals segment customer accounted for 27%, 16% and 19% of consolidated accounts receivable, respectively.

Inventories

Inventories. Inventories are stated at the lower of cost or market. Costs are removed from inventories using the average-cost method. Inventoried costs include materials, labor and manufacturing overhead. Inventoried costs also include certain overhead parts and supplies. General and administrative costs are expensed as incurred. Raw materials costs are determined on a moving average basis. We expense the cost of inventories which are considered to be excess because on-hand inventory quantities exceed our estimates of future demand.

Property, Plant and Equipment

Property, Plant and Equipment. Property, plant and equipment are carried at cost less accumulated depreciation. Depreciation is computed on the straight-line method over the estimated productive lives of the assets of three to 15 years for machinery and equipment and seven to 30 years for buildings and improvements. Leasehold improvements are depreciated over the shorter of the estimated productive life of seven to nine years or the term of the lease.

Depreciation and Amortization Expense

Depreciation and Amortization Expense. Depreciation and amortization expense for continuing operations is classified as follows in our statements of operations as of September 30:

	2013		2012		2011
Classified as cost of revenues
Depreciation	$	13,154	$	13,305	$	13,062
Classified as operating expenses
Depreciation		299		395		459
Amortization		-		-		537
Total continuing operations		13,453		13,700		14,058
Classified as discontinued operations		-		791		1,158
Total	$	13,453	$	14,491	$	15,216

Amortization expense related to an intangible asset of our Fine Chemicals segment for customer relationships. This intangible asset became fully amortized as of May 2011.

Income Taxes

Income Taxes. We account for income taxes under the asset and liability method. Deferred tax assets and liabilities are recognized for the future tax consequences attributable to differences between the financial statement carrying amounts of assets and liabilities and their respective tax basis. Deferred tax assets and liabilities are measured separately for each tax-paying entity in each tax jurisdiction, using enacted tax rates expected to apply to taxable income in the years in which those temporary differences are expected to be recovered or settled. The effect on deferred tax assets and liabilities of a change in tax rates is recognized in the period that includes the enactment date.

We account for uncertain tax positions in accordance with an accounting standard which creates a single model to address uncertainty in income tax positions and prescribes the minimum recognition threshold a tax position is required to meet before being recognized in the financial statements. Under this standard, we may recognize tax benefits from an uncertain position only if it is more likely than not that the position will be sustained upon examination by taxing authorities based on the technical merits of the issue. The amount recognized is the largest benefit that we believe has greater than a 50% likelihood of being realized upon settlement.

Impairment of Long-Lived Assets

Impairment of Long-Lived Assets. We test our property, plant and equipment assets for recoverability when events or changes in circumstances indicate that their carrying amounts may not be recoverable. Examples of such circumstances include, but are not limited to, operating or cash flow losses from the use of such assets or changes in our intended uses of such assets. To test for recovery, we group assets (an “Asset Group”) in a manner that represents the lowest level for which identifiable cash flows are largely independent of the cash flows of other groups of assets and liabilities. Our Asset Groups are typically identified by facility because each facility has a unique cost overhead and general and administrative expense structure that is supported by cash flows from products produced at the facility. The carrying amount of an Asset Group is not recoverable if it exceeds the sum of the undiscounted cash flows expected to result from the use and eventual disposition of the Asset Group.

If we determine that an Asset Group is not recoverable, then we would record an impairment charge if the carrying value of the Asset Group exceeds its fair value. Fair value is based on estimated discounted future cash flows expected to be generated by the Asset Group. The assumptions underlying cash flow projections would represent management’s best estimates at the time of the impairment review. Some of the factors that management would consider or estimate include: industry and market conditions, sales volume and prices, costs to produce and inflation. Changes in key assumptions or actual conditions which differ from estimates could result in an impairment charge. We use reasonable and supportable assumptions when performing impairment reviews but cannot predict the occurrence of future events and circumstances that could result in impairment charges. There were no impairments of long-lived assets recorded in any of the years presented.

Earnings (Loss) Per Share

Earnings (Loss) Per Share. Basic earnings (loss) per share is calculated by dividing net income (loss) by the weighted average shares outstanding during the year. Diluted earnings (loss) per share is calculated by dividing net income (loss) by the weighted average shares outstanding plus the dilutive effect of common share equivalents, which is computed using the treasury stock method.

Foreign Currency

Foreign Currency. We sold our foreign subsidiaries in connection with the divestiture of AMPAC-ISP. We translated our foreign subsidiaries’ assets and liabilities into U.S. dollars using the year-end exchange rate. Revenue and expense amounts were translated at the average monthly exchange rate. Foreign currency translation gains or losses were reported as cumulative currency translation adjustments as a component of stockholders’ equity. Foreign currency transaction gains or losses are included in discontinued operations for all periods presented.

Recently Issued or Adopted Accounting Standards

Recently Issued or Adopted Accounting Standards. In June 2011, the Financial Accounting Standards Board (“FASB”) issued Accounting Standards Update (“ASU”) No. 2011-05, which amends Topic 220, Comprehensive Income. The amendment allows an entity to present the total of comprehensive income, the components of net income, and the components of other comprehensive income either in a single continuous statement of comprehensive income or in two separate but consecutive statements, and eliminates the option to present the components of other comprehensive income as part of the statement of changes in stockholders’ equity. The amendments do not change the items that must be reported in other comprehensive income or when an item of other comprehensive income must be reclassified to net income. This standard was effective for us beginning on October 1, 2012. This standard changes presentation requirements, and accordingly, the adoption of this standard did not have an impact on our results of operations, financial position or cash flows.

In February 2013, the FASB issued ASU No. 2013-2, which amends the Comprehensive Income Topic of the Accounting Standards Codification (ASC). The updated standard requires the presentation of information about reclassifications out of accumulated other comprehensive income. ASU No. 2013-2 is effective for us beginning October 1, 2013. The updated standard will affect our disclosures but has no impact on our results of operations, financial condition or liquidity.

In July 2013, the FASB issued ASU No. 2013-10, Derivatives and Hedging (ASU Topic 815) – Inclusion of the Fed Funds Effective Swap Rate (or Overnight Index Swap Rate) as a Benchmark Interest Rate for Hedge Accounting Purposes. The amendments in this update permit the Fed Funds Effective Swap Rate (OIS) to be used as a U.S. benchmark interest rate for hedge accounting purposes under ASC Topic 815, in addition to U.S. Treasury (“UST”) and London Interbank Offered Rate (“LIBOR”). The amendments also remove the restriction on using different benchmark rates for similar hedges. The amendments are effective prospectively for qualifying new or redesignated hedging relationships entered into on or after July 17, 2013. We have not entered into any new hedging relationships since July 17, 2013.

In July 2013, the FASB issued ASU No. 2013-11, Income Taxes (Topic 740): Presentation of an Unrecognized Tax Benefit When a Net Operating Loss Carryforward, a Similar Tax Loss, or a Tax Credit Carryforward Exists. This new standard requires the netting of unrecognized tax benefits against a deferred tax asset for a loss or other carryforward that would apply in settlement of the uncertain tax positions. Under the new standard, unrecognized tax benefits will be netted against all available same-jurisdiction loss or other tax carryforwards that would be utilized, rather than only against carryforwards that are created by the unrecognized tax benefits. We do not expect that the new standard will have a material impact on our condensed consolidated financial statements.

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Accounts Receivables (Detail) (USD $) In Thousands, unless otherwise specified	Sep. 30, 2013	Sep. 30, 2012
Accounts Receivable:
Trade receivables	$ 20,875	$ 23,384
Employee and other receivables	462	827
Allowance for bad debt	(28)
Total	$ 21,309	$ 24,211

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Estimated Future Minimum Lease Payments Under Operating Leases (Detail) (USD $) In Thousands, unless otherwise specified	Sep. 30, 2013
Contingencies And Commitments [Line Items]
2014	$ 1,192
2015	1,163
2016	1,158
2017	1,170
2018	709
Thereafter	53
Total	$ 5,445

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Changes in Accumulated Other Comprehensive Loss by Component, Net of Income Tax (Detail) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Sep. 30, 2013	Sep. 30, 2012	Sep. 30, 2011
Accumulated Other Comprehensive Loss [Line Items]
Balance, September 30, 2011	$ (32,037)	$ (23,945)
Current year other comprehensive income (loss)	16,578	(8,092)	(7,037)
Balance, September 30, 2012	(15,459)	(32,037)	(23,945)
Defined Benefit Pension Plans
Accumulated Other Comprehensive Loss [Line Items]
Balance, September 30, 2011	(32,037)	(23,470)
Current year other comprehensive income (loss)	16,420	(8,567)
Balance, September 30, 2012	(15,617)	(32,037)
Cash Flow Hedge
Accumulated Other Comprehensive Loss [Line Items]
Current year other comprehensive income (loss)	158
Balance, September 30, 2012	158
Foreign Currency Items
Accumulated Other Comprehensive Loss [Line Items]
Balance, September 30, 2011		(475)
Current year other comprehensive income (loss)		$ 475

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Annual Changes in Benefit Obligations and Plan Assets and Funded Status of Pension Plans and SERP (Detail) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Sep. 30, 2013	Sep. 30, 2012	Sep. 30, 2011
Pension Plans, Postretirement and Other Employee Benefits [Line Items]
Fair value of plan assets, end of year	$ 65,295	$ 52,249
Pension Plans
Pension Plans, Postretirement and Other Employee Benefits [Line Items]
Service cost	3,326	2,653	2,432
Interest cost	3,944	3,914	3,541
Pension Plans | Change in Benefit Obligation
Pension Plans, Postretirement and Other Employee Benefits [Line Items]
Benefit obligation, beginning of year	96,989	73,383
Service cost	3,326	2,653
Interest cost	3,944	3,915
Amendments	298
Actuarial losses	(18,090)	18,693
Benefits paid	(1,781)	(1,655)
Benefit obligation, end of year	84,686	96,989
Pension Plans | Change in Plan Assets
Pension Plans, Postretirement and Other Employee Benefits [Line Items]
Fair value of plan assets, beginning of year	52,249	36,935
Actual return (loss) on plan assets	8,124	7,649
Employer contributions	6,704	9,320
Benefits paid	(1,781)	(1,655)
Fair value of plan assets, end of year	65,296	52,249
Funded status	(19,390)	(44,740)
SERP
Pension Plans, Postretirement and Other Employee Benefits [Line Items]
Service cost	817	435	324
Interest cost	422	369	356
SERP | Change in Benefit Obligation
Pension Plans, Postretirement and Other Employee Benefits [Line Items]
Benefit obligation, beginning of year	11,087	7,942
Service cost	817	435
Interest cost	422	369
Actuarial losses	(615)	2,868
Benefits paid	(525)	(527)
Benefit obligation, end of year	11,186	11,087
SERP | Change in Plan Assets
Pension Plans, Postretirement and Other Employee Benefits [Line Items]
Employer contributions	525	527
Benefits paid	(525)	(527)
Funded status	$ (11,186)	$ (11,087)

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Summary of Outstanding and Non-Vested Stock Option and Restricted Stock Activity (Detail) (USD $)	12 Months Ended
	Sep. 30, 2013
Stock Options
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Beginning Balance, Shares	612,071
Granted, Shares	47,470
Exercised, Shares	(204,157)
Expired / Cancelled, Shares	(17,749)
Ending Balance, Shares	437,635
Beginning Balance, Weighted Average Exercise price	$ 8.47
Granted, Weighted Average Fair Value	$ 11.93
Exercised, Weighted Average Fair Value	$ 8.72
Expired / Cancelled, Weighted Average Exercise Price	$ 8.32
End of period, Weighted Average Exercise Price	$ 8.73
Non Vested Stock Options
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Beginning Balance, Shares	138,835
Granted, Shares	47,470
Vested, Shares	(77,184)
Expired / Cancelled, Shares	(4,749)
Ending Balance, Shares	104,372
Beginning Balance, Weighted Average Exercise price	$ 3.55
Granted, Weighted Average Fair Value	$ 5.41
Vested, Weighted Average Fair Value	$ 3.61
Expired / Cancelled, Weighted Average Exercise Price	$ 3.77
End of period, Weighted Average Exercise Price	$ 4.34
Restricted Stock
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Beginning Balance, Outstanding and Non-Vested shares	64,497
Granted, Outstanding and Non vested shares	36,060
Vested Outstanding and Non vested, shares	(29,505)
Exercised, Outstanding and Non vested, shares
Expired / Cancelled, Outstanding and Non vested, shares	(2,000)
Ending Balance, Outstanding and Non-Vested Shares	69,052
Beginning Balance, Outstanding and Non Vested, Weighted average fair value per share	$ 7.52
Granted, Restricted Stock Weighted Average Exercise Price	$ 11.93
Vested Outstanding and Non-Vested Weighted Average Fair Value	$ 7.42
Exercised, Restricted Stock Weighted Average Exercise Price
Expired / Cancelled, Restricted Stock Weighted Average Exercise Price	$ 7.61
Ending Balance, Outstanding and Non-Vested, Weighted Average Fair Value Per Share	$ 9.87

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DISCONTINUED OPERATIONS (Tables)

12 Months Ended

Sep. 30, 2013

Revenues and Expenses Associated with Operations of Ampac-Isp

Summarized financial information for AMPAC-ISP is as follows:

	Year Ended September 30,
	2013			2012		2011
Revenues	$	-		$	44,039	$	48,941
Income from Discontinued Operations, Net of Tax
Operating income (loss) before tax	$	83		$	643	$	3,328
Income tax expense (benefit)		(62	)		506		1,185
Net income from discontinued operations		145			137		2,143
Gain (Loss) on Sale of Discontinued Operations
Gain (Loss) on sale of discontinued operations before tax		(74	)		5,059		-
Income tax expense (benefit)		(28	)		209		-
Net gain (loss) on sale of discontinued operations		(46	)		4,850		-
Income from discontinued operations, net of tax	$	99		$	4,987	$	2,143

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Summary of Significant Accounting Policies - Additional Information (Detail) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Sep. 30, 2013	Sep. 30, 2012	Sep. 30, 2011
Schedule Of Significant Accounting Policies [Line Items]
Sales value of inventory	$ 9,517	$ 19,346
Carrying value of floating-rate term loan	55,500
Fair value of floating-rate term loan	55,898
Percentage of tax benefits recognized upon settlement	50.00%
Machinery and Equipment | Minimum
Schedule Of Significant Accounting Policies [Line Items]
Estimated productive lives of the assets	3 years
Machinery and Equipment | Maximum
Schedule Of Significant Accounting Policies [Line Items]
Estimated productive lives of the assets	15 years
Building Improvements | Minimum
Schedule Of Significant Accounting Policies [Line Items]
Estimated productive lives of the assets	7 years
Building Improvements | Maximum
Schedule Of Significant Accounting Policies [Line Items]
Estimated productive lives of the assets	30 years
Leasehold Improvements | Minimum
Schedule Of Significant Accounting Policies [Line Items]
Estimated productive lives of the assets	7 years
Leasehold Improvements | Maximum
Schedule Of Significant Accounting Policies [Line Items]
Estimated productive lives of the assets	9 years
Accounts Receivable | Fine Chemicals Customer One
Schedule Of Significant Accounting Policies [Line Items]
Concentration risk from customers having more than 10% of accounts receivable	14.00%	27.00%
Accounts Receivable | Fine Chemicals Customer Two
Schedule Of Significant Accounting Policies [Line Items]
Concentration risk from customers having more than 10% of accounts receivable	12.00%	16.00%
Accounts Receivable | Fine Chemicals Customer Three
Schedule Of Significant Accounting Policies [Line Items]
Concentration risk from customers having more than 10% of accounts receivable	10.00%
Accounts Receivable | Specialty Chemicals Customer
Schedule Of Significant Accounting Policies [Line Items]
Concentration risk from customers having more than 10% of accounts receivable	15.00%	19.00%
Interest Rate Swap
Schedule Of Significant Accounting Policies [Line Items]
Fair value of the swap agreement	256
Related Party Transactions
Schedule Of Significant Accounting Policies [Line Items]
Total transactions	$ 120	$ 180	$ 146

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DERIVATIVE INSTRUMENT

12 Months Ended

Sep. 30, 2013

DERIVATIVE INSTRUMENT

5. DERIVATIVE INSTRUMENT

Interest Rate Swap Agreement. On January 24, 2013, we entered into a floating-to-fixed interest rate swap with an initial notional amount of $58,875 (such notional amount reducing over the life of the arrangement), terminating October 26, 2017, which will effectively convert our floating-rate debt to a fixed rate (the “Swap Agreement”). Under the terms of the Swap Agreement, we will pay a fixed rate of approximately 0.775%, we will receive a floating-rate payment tied to the one-month LIBOR, and there will be no exchange of notional amounts. Our objective in using an interest rate derivative is to add stability to interest expense and to manage our exposure to interest rate movements.

We designated the Swap Agreement as a cash flow hedge in accordance with the accounting guidance in ASC Topic 815. As of September 30, 2013, the fair value of the Swap Agreement was an asset of $256. The effective portion of the change in the fair value of a derivative designated and that qualifies as a cash flow hedge is recorded in accumulated other comprehensive loss and is subsequently reclassified into earnings in the period that the hedged forecasted transaction affects earnings. The ineffective portion of the change in the fair value of the derivative is recognized directly in earnings. For the year ended September 30, 2013, we had no hedge ineffectiveness.

The following table provides quantitative disclosures about the Swap Agreement before income tax effects for the years ended September 30:

	September 30,
	2013		2012
Balance sheet location of fair value:
Other assets	$	554	$	-
Accrued liabilities	$	298	$	-

	Year Ended September 30,
	2013		2012		2011
Amount of gain (loss) recognized in other comprehensive income (effective portion)	$	31	$	-	$	-
Amount reclassified from accumulated other comprehensive income to interest expense (effective portion)	$	225	$	-	$	-

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Income Taxes - Additional Information (Detail) (USD $) In Thousands, unless otherwise specified	1 Months Ended	12 Months Ended
	Dec. 31, 2012	Sep. 30, 2013	Sep. 30, 2012	Sep. 30, 2011
Income Tax Contingency [Line Items]
Increase (decrease)in valuation allowance			$ (10,420)	$ 10,420
Credit carryforwards		515	66
Valuation allowance			66
Unrecognized tax benefit		204	1,274	1,246
Unrecognized tax benefits that would affect the effective tax rate		201	405
Unrecognized tax benefits released	1,070	1,070
Accrued interest and penalties		10	679
Interest and penalties expense		(671)	70
California Credit Carryforwards
Income Tax Contingency [Line Items]
Credit carryforwards		792
Carryforwards expiration year		2024
State and Local Jurisdiction
Income Tax Contingency [Line Items]
Aggregate net operating loss carryforward balance			1,208
Income Tax Expense Benefit
Income Tax Contingency [Line Items]
Increase (decrease)in valuation allowance		(66)	(10,420)	7,628
Other Comprehensive Income (Loss)
Income Tax Contingency [Line Items]
Increase (decrease)in valuation allowance				$ 2,792

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EARNINGS (LOSS) PER SHARE (Tables)

12 Months Ended

Sep. 30, 2013

Shares used to Compute Earnings Per Share

Shares used to compute earnings (loss) per share from continuing operations are as follows for the years ended September 30:

	2013		2012		2011
Income (Loss) from Continuing Operations	$	23,133	$	20,332	$	(9,379	)
Basic Weighted Average Shares		7,772,000		7,554,000		7,517,000
Diluted:
Weighted Average Shares, Basic		7,772,000		7,554,000		7,517,000
Dilutive Effect of Stock Options		291,000		82,000		-
Dilutive Effect of Restricted Stock		38,000		27,000		-
Weighted Average Shares, Diluted		8,101,000		7,663,000		7,517,000
Basic Earnings (Loss) per Share from Continuing Operations	$	2.98	$	2.69	$	(1.25	)
Diluted Earnings (Loss) per Share from Continuing Operations	$	2.86	$	2.65	$	(1.25	)

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Summary of RSU Activity (Detail) (Restricted Stock Units, USD $)	12 Months Ended
	Sep. 30, 2013
Restricted Stock Units
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Grants	77,231
Forfeitures
Vested
Ending Balance, Outstanding and Non-Vested Shares	77,231
Grants	$ 11.93
Forfeitures
Vested
Ending Balance, Outstanding and Non-Vested, Weighted Average Fair Value Per Share	$ 11.93

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INCOME TAXES

12 Months Ended

Sep. 30, 2013

INCOME TAXES

8. INCOME TAXES

Income Tax Expense (Benefit). Income tax expense (benefit) is classified as follows for the years ended September 30:

	2013			2012			2011
Continuing Operations	$	12,243		$	(3,766	)	$	6,985
Discontinued Operations		(90	)		715			1,185
Total	$	12,153		$	(3,051	)	$	8,170

The components of the income tax expense (benefit) are as follows for the years ended September 30:

	2013			2012			2011
Current
Federal	$	11,930			1,328			(330	)
State		(9	)		1,129			(16	)
Foreign		-			183			(90	)
Deferred
Federal		(1,131	)		(4,473	)		7,614
State		1,363			(1,218	)		1,025
Foreign		-			-			(33	)
Income tax expense (benefit)	$	12,153			(3,051	)		8,170

A reconciliation of the federal statutory rate to our effective tax (benefit) rate from continuing operations is as follows for the years ended September 30:

	2013		2012		2011
Federal income tax at the statutory rate		35.0%		35.0%		(35.0%)
State income tax, net of federal benefit		3.4%		4.1%		(3.6%)
Nondeductible expenses		0.2%		1.4%		8.6%
Valuation allowance		(0.2%)		(62.9%)		318.6%
Interest and penalties		(2.0%)		0.4%		1.1%
Domestic production activities and state credits		(7.9%)		0.0%		0.0%
State tax rate change		5.4%		0.0%		0.0%
Other		0.7%		(0.7%)		2.0%
Effective tax rate		34.6%		(22.7%)		291.7%

Deferred Tax Assets and Liabilities. Deferred tax assets arise primarily because expenses have been recorded in historical financial statement periods which will not become deductible for income taxes until future tax years. Deferred tax assets are comprised of the following at September 30:

	2013			2012
Deferred tax assets:
Inventory	$	11,459		$	9,183
Pension obligations		10,755			22,270
Environmental remediation reserves		7,533			9,997
Accrued expenses		4,314			3,824
Deferred gain on sale of business		996			1,448
Tax credits and carryforwards		515			66
Other		1,117			1,439
Subtotal		36,689			48,227
Valuation allowance		-			(66	)
Deferred tax assets		36,689			48,161
Deferred tax liabilities:
Property, plant and equipment		(13,358	)		(13,805	)
Prepaid expenses		(576	)		(432	)
Other		(95	)		(100	)
Deferred tax liabilities		(14,029	)		(14,337	)
Net deferred tax assets	$	22,660		$	33,824

Valuation Allowance. We record valuation allowances to reduce the book value of our deferred tax assets to amounts that are estimated to be more likely than not realized. This assessment requires judgment and is performed on the basis of the weight of all available evidence, both positive and negative, with greater weight placed on information that is objectively verifiable, such as historical performance.

The following schedule provides detail regarding our deferred tax asset valuation allowance as of September 30:

	2013			2012			2011
Balance, Beginning of Year	$	66		$	10,486		$	66
Amounts charged to income tax expense (benefit)		(66	)		(10,420	)		7,628
Amounts charged to other comprehensive income (loss)		-			-			2,792
Balance, End of the Year	$	-		$	66		$	10,486

For the year ended September 30, 2011, we evaluated negative evidence noting that for the three year period then ended we reported a cumulative net loss. Pursuant to FASB guidance, a cumulative loss in recent years is a significant piece of negative evidence that must be considered and this form of negative evidence is difficult to overcome without sufficient objectively verifiable positive evidence. Our then objectively verifiable positive evidence included certain aspects of our historical results. Additional positive evidence includes forecasts of future taxable income. However, since this latter form of evidence was not objectively verifiable, its weight is not sufficient to overcome the negative evidence. As a result of this evaluation, we increased our valuation allowance by $10,420 as of September 30, 2011. Of this amount, $7,628 was recorded as income tax expense and $2,792 was charged to other comprehensive loss offsetting deferred tax assets that were generated in Fiscal 2011.

For the year ended September 30, 2012, we reported significant income before tax from continuing operations which resulted in cumulative earnings for the three-year period then ended. We evaluated the current facts and circumstances and concluded that the negative evidence that existed as of September 30, 2011, no longer existed. Accordingly, we relied on positive evidence, which included taxable income in the current year, a forecast of significant taxable income in coming years and the absence of credit carry forward balances. As a result, we reversed the valuation allowance of $10,420.

The ultimate realization of deferred tax assets depends on having sufficient taxable income in the future years when the tax deductions associated with the deferred tax assets become deductible. The establishment or reversal of a valuation allowance, if any, does not impact cash nor does it preclude us from using our tax credits, loss carryforwards and other deferred assets in the future.

Credits and Carryforwards. As of September 30, 2013, we have California Enterprise Zone credit carryforwards of $792, expiring 2024, which are available to offset future California income tax. As of September 30, 2012, we had aggregate net operating loss carryforward balances of $1,208 in two states where we no longer conduct business. Since we did not anticipate future taxable income in these states we provided a full valuation allowance of $66 as of September 30, 2012. During Fiscal 2013, we filed final tax returns in these states and removed the related deferred tax assets and valuation allowance from the balance sheet.

Unrecognized Tax Benefits. We review our portfolio of uncertain tax positions and recorded liabilities based on the applicable recognition standards. In this regard, an uncertain tax position represents our expected treatment of a tax position taken in a filed tax return, or planned to be taken in a future tax return, that has not been reflected in measuring income tax expense for financial reporting purposes. We classify uncertain tax positions as non-current income tax liabilities unless expected to be settled within one year.

As of September 30, 2013 and 2012, our recorded liability for unrecognized tax benefits was $204 and $1,274, respectively, of which $201 and $405, respectively, would affect the effective tax rate, if recognized. The remaining balance is related to deferred tax items, which only impact the timing of tax payments. In December 2012, the internal revenue service completed its examination of our federal income tax returns for Fiscal years 2008, 2009, and 2010 and the related net operating loss carryback claims for Fiscal years 2002, 2003, 2005, 2006, 2007 and 2008 with no significant adjustments. Upon completion of this audit, we released $1,070 of unrecognized tax benefits.

We have no additional significant statutes of limitations that are anticipated to expire in Fiscal 2014. Accordingly, it is reasonably possible that none of the gross liability for unrecognized tax benefits will be reversed during Fiscal 2014.

A reconciliation of the beginning and ending amount of unrecognized tax benefits as of September 30 is as follows:

	2013			2012
Unrecognized Tax Benefits - Beginning of Year	$	1,274		$	1,246
Additions for tax positions of prior years		-			28
Reductions for tax positions of prior years		(1,070	)		-
Lapse of statute of limitations		-			-
Unrecognized Tax Benefits - End of Year	$	204		$	1,274

We recognize accrued interest and penalties related to unrecognized tax benefits in income tax expense. As of September 30, 2013 and 2012, respectively, we had accrued $10 and $679, respectively, for the payment of tax-related interest and penalties. For the years ended September 30, 2013 and 2012, respectively, income tax expense includes a benefit of $671 and an expense of $70 for interest and penalties.

We file income tax returns in the U.S. federal jurisdiction, various states and foreign jurisdictions. With few exceptions, we are no longer subject to federal or state income tax examinations for the years before 2008.

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Schedule of Fair Values of Pension Plan Assets (Detail) (USD $) In Thousands, unless otherwise specified	Sep. 30, 2013	Sep. 30, 2012
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Pension plan assets	$ 65,295	$ 52,249
Other securities
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Pension plan assets	65	72
Equity securities | Domestic Equity Large Cap
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Pension plan assets	15,964	20,188
Equity securities | Domestic Equity Mid Cap
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Pension plan assets	3,331	5,590
Equity securities | Domestic Equity Small Cap
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Pension plan assets	902	1,768
Equity securities | Equity Securities International
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Pension plan assets	7,861	5,939
Equity securities | Mutual Funds
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Pension plan assets	15,478
Equity securities | Other Equity Securities
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Pension plan assets	1,324	3,217
Fixed Income Securities | Mutual Funds
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Pension plan assets	6,216	6,146
Fixed Income Securities | Corporate Bond Securities
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Pension plan assets	3,999	3,652
Fixed Income Securities | Certificates of Deposit
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Pension plan assets		805
Fixed Income Securities | US Treasury Securities
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Pension plan assets	1,016	973
Fixed Income Securities | Collateralized Mortgage Backed Securities
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Pension plan assets	303	477
Fixed Income Securities | Foreign Bonds
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Pension plan assets	1,901	1,366
Fixed Income Securities | Real estate securities
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Pension plan assets	3,076
Fixed Income Securities | Cash, Cash Equivalents and Marketable Securities
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Pension plan assets	3,859	2,056
Fair Value, Inputs, Level 1
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Pension plan assets	59,034	45,877
Fair Value, Inputs, Level 1 | Other securities
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Pension plan assets	7
Fair Value, Inputs, Level 1 | Equity securities | Domestic Equity Large Cap
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Pension plan assets	15,964	20,188
Fair Value, Inputs, Level 1 | Equity securities | Domestic Equity Mid Cap
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Pension plan assets	3,331	5,590
Fair Value, Inputs, Level 1 | Equity securities | Domestic Equity Small Cap
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Pension plan assets	902	1,768
Fair Value, Inputs, Level 1 | Equity securities | Equity Securities International
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Pension plan assets	7,861	5,939
Fair Value, Inputs, Level 1 | Equity securities | Mutual Funds
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Pension plan assets	15,478
Fair Value, Inputs, Level 1 | Equity securities | Other Equity Securities
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Pension plan assets	1,324	3,217
Fair Value, Inputs, Level 1 | Fixed Income Securities | Mutual Funds
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Pension plan assets	6,216	6,146
Fair Value, Inputs, Level 1 | Fixed Income Securities | US Treasury Securities
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Pension plan assets	1,016	973
Fair Value, Inputs, Level 1 | Fixed Income Securities | Real estate securities
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Pension plan assets	3,076
Fair Value, Inputs, Level 1 | Fixed Income Securities | Cash, Cash Equivalents and Marketable Securities
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Pension plan assets	3,859	2,056
Fair Value, Inputs, Level 2
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Pension plan assets	6,261	6,372
Fair Value, Inputs, Level 2 | Other securities
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Pension plan assets	58	72
Fair Value, Inputs, Level 2 | Fixed Income Securities | Corporate Bond Securities
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Pension plan assets	3,999	3,652
Fair Value, Inputs, Level 2 | Fixed Income Securities | Certificates of Deposit
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Pension plan assets		805
Fair Value, Inputs, Level 2 | Fixed Income Securities | Collateralized Mortgage Backed Securities
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Pension plan assets	303	477
Fair Value, Inputs, Level 2 | Fixed Income Securities | Foreign Bonds
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Pension plan assets	$ 1,901	$ 1,366

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DEBT

12 Months Ended

Sep. 30, 2013

DEBT

4. DEBT

Our outstanding debt balances consist of the following as of September 30:

	2013			2012
Term Loan, variable-rate interest, due through 2017	$	55,500		$	-
Senior Notes, 9%, due 2015		-			65,000
Capital Leases, due through 2014		2			20
Total Debt		55,502			65,020
Less Current Portion		(6,002	)		(16	)
Total Long-term Debt	$	49,500		$	65,004

Senior Notes. In February 2007, we issued and sold $110,000 aggregate principal amount of 9.0% Senior Notes due February 1, 2015 (the “Senior Notes”). The Senior Notes accrued interest at an annual rate of 9.0%, payable semi-annually in February and August. The Senior Notes were guaranteed on a senior unsecured basis by all of our existing and future material U.S. subsidiaries.

On August 9, 2012, we called $40,000 of the outstanding principal amount of the Senior Notes. On September 10, 2012, we completed the redemption, using net cash proceeds from the sale of AMPAC-ISP and available cash balances. The redemption price for the Notes was 102.25% of the principal amount of the Notes being redeemed, plus accrued and unpaid interest to the redemption date. The transaction resulted in a net loss on debt retirement of $1,397 which includes the call premium of $900, unamortized debt issuances costs of $482 and other expenses of $15.

In connection with our entering into the Credit Facility (as defined below), on October 26, 2012, a notice of redemption was issued for all remaining outstanding Senior Notes specifying a redemption date of November 25, 2012. The Redemption Price for the Notes was 102.250% of the outstanding principal amount of $65,000, plus accrued and unpaid interest to, but not including, the redemption date. On October 26, 2012, we irrevocably deposited funds with the trustee in an amount equal to the Redemption Price for the Senior Notes and the related indenture was discharged. The transaction resulted in a net loss on debt retirement of $2,835 which includes the call premium of $1,463, the write-off of then unamortized debt issuances costs of $1,252 and other expenses of $120.

ABL Credit Facility. On January 31, 2011, American Pacific Corporation, as borrower, with certain domestic subsidiaries of the Company as guarantors, entered into an asset-based lending credit agreement (the “ABL Credit Facility”) with Wells Fargo Bank, National Association, as agent and as lender, which provided a secured revolving credit facility in an aggregate principal amount of up to $20,000 at any time outstanding with an initial maturity of 90 days prior to the maturity date of the Senior Notes, which was February 1, 2015. The maximum borrowing availability under the ABL Credit Facility was based upon a percentage of our eligible account receivables and eligible inventories. On October 26, 2012, we terminated the ABL Credit Facility.

Credit Facility. On October 26, 2012, we entered into an $85,000 senior secured credit agreement (the “Credit Facility”) by and among American Pacific Corporation, the lenders party thereto (the “Lenders”) and KeyBank National Association, as the swing line lender, issuer of letters of credit under the Credit Facility and as the Administrative Agent of the Lenders. Under the Credit Facility, we (i) obtained a term loan in the aggregate principal amount of $60,000 with an initial maturity in five years (the “Term Loan”), and (ii) may obtain revolving loans of up to $25,000 in aggregate principal amount, of which up to $5,000 may be outstanding in connection with the issuance of letters of credit (the “Revolving Facility”). We may prepay and terminate the Credit Facility at any time, without premium or penalty. The Credit Facility contains certain mandatory prepayment provisions which are based upon certain asset sales, equity issuances, incurrence of certain indebtedness and events of loss.

Available borrowings under the Revolving Facility are computed as the $25,000 committed line less any outstanding revolving loans and outstanding letters of credits. As of September 30, 2013, we had no borrowings outstanding under the Revolving Facility, outstanding letters of credit of $4,466 and availability for revolving loans of $20,534.

For any loans under the Credit Facility, we elect between two options to determine the annual interest rates applicable to such loans: Base Rate Loans and Eurodollar Loans. These elections can be renewed or changed from time to time during the term of the Credit Facility. The interest rate for an election period is determined as the Base Rate or the Adjusted Eurodollar Rate (each as defined in the Credit Facility), and in each case, plus an applicable margin, which shall range from 0.75% to 1.50% for Base Rate Loans or from 1.75% to 2.50% for Eurodollar Loans, subject to adjustment based on the leverage ratio. Interest payments are due at least quarterly and may be more frequent under certain Eurodollar Loan elections. The Term Loan includes quarterly principal amortization payments which commenced on December 31, 2012. Scheduled Amortization of the Term Loan is $4,500, $6,000, $6,000, $6,000 and $7,500 for each of the five years in the period ending September 30, 2017, respectively. The remaining balance of the Term Loan of $30,000 is due upon maturity.

The Credit Facility is guaranteed by our current and future domestic subsidiaries and is secured by substantially all of our assets and the assets of our current and future domestic subsidiaries, subject to certain exceptions as set forth in the Credit Facility.

The Credit Facility contains customary affirmative, negative and financial covenants which, among other things, restrict our ability to:

— pay dividends, repurchase our stock, or make other restricted payments;

— make certain investments or acquisitions;

— incur additional indebtedness;

— create or permit to exist certain liens;

— enter into certain transactions with affiliates;

— consummate a merger, consolidation or sale of assets;

— change our business; and

— wind up, liquidate, or dissolve our affairs.

In each case, the covenants set forth above are subject to customary and negotiated exceptions and exclusions.

The Credit Facility includes two financial covenants that are measured quarterly.

Leverage Ratio. The Leverage Ratio must be less than or equal to 3.00 to 1.00. The Credit Facility defines the Leverage Ratio as the ratio of Consolidated Total Debt as of the last day of a quarter (“Test Date”) to Consolidated EBITDA for the four consecutive quarters preceding the Test Date, each as defined in the Credit Facility.

Debt Service Coverage Ratio. The Debt Service Coverage Ratio must be at least 2.00 to 1.00, with increases to 2.25 to 1.00 for the period commencing September 30, 2014 to September 29, 2015, and to 2.50 to 1.00 for the period commencing September 30, 2015 and thereafter. The Credit Facility defines the Debt Service Coverage Ratio as the ratio of Consolidated EBITDA minus Consolidated Capital Expenditures to Scheduled Repayments plus Consolidated Adjusted Interest Expense, each as defined in the Credit Facility.

With respect to these covenant compliance calculations, Consolidated EBITDA, as defined in the Credit Facility (hereinafter, referred to as “Credit Facility EBITDA”), differs from typical EBITDA calculations and our calculation of Adjusted EBITDA, which is used in certain of our public releases and in connection with our incentive compensation plan. The most significant difference in the Credit Facility EBITDA calculation is the inclusion of cash payments for environmental remediation as part of the calculation. The following statements summarize the elements of those definitions that are material to our computations. Consolidated Total Debt generally includes principal amounts outstanding under our Credit Facility, capital leases, drawn amounts for outstanding letters of credit and other indebtedness for borrowed money. Credit Facility EBITDA is generally computed as consolidated net income (loss) plus income tax expense (benefit), interest expense, depreciation and amortization, stock-based compensation expense, and certain non-cash charges and less cash payments for environmental remediation, extraordinary gains and certain other non-cash gains. In accordance with the definitions contained in the Credit Facility, as of September 30, 2013, our Leverage Ratio was 1.04 to 1.00 and our Debt Service Coverage Ratio was 6.21 to 1.00, each of which are in compliance with the applicable financial covenant.

The Credit Facility also contains usual and customary events of default (subject to certain threshold amounts and grace periods). If an event of default occurs and is continuing, the Company may be required to repay the obligations under the Credit Facility prior to the Credit Facility’s stated maturity and the related commitments may be terminated.

Principal Maturities. Principal maturities for our outstanding debt as of September 30, 2013 are as follows:

Years ending September 30:
2014	$	6,002
2015		6,000
2016		6,000
2017		7,500
2018		30,000
Total	$	55,502

Debt Issue Costs. In connection with the issuance of the Credit Facility, we incurred debt issuance costs of approximately $1,386, which are capitalized and classified as other assets on our consolidated balance sheets. These costs are being amortized, using the effective interest rate method, as additional interest expense over the term of the Credit Facility.

Letters of Credit. We issue letters of credit principally to secure performance related to insurance, utilities and certain product contracts. As of September 30, 2013, we had $4,466 in outstanding letters of credit, maturing through April 2017, that were issued under our Revolving Facility. In addition, as of September 30, 2013, we had $315 in outstanding standby letters of credit, maturing through April 2016, that were not issued under our Revolving Facility. Letters of credit that are not issued under our Revolving Facility are collateralized by cash on deposit with the issuing bank in the amount of 105% of the outstanding letters of credit. Collateral deposits are classified as other assets on our consolidated balance sheets.

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Consolidated Statements of Changes in Stockholders' Equity (USD $) In Thousands, except Share data	Total	Common Shares Outstanding, Net of Treasury Shares	Capital in Excess of Par Value	Retained Earnings (Accumulated Deficit)	Accumulated Other Comprehensive Loss
Beginning Balance at Sep. 30, 2010	$ 63,657	$ 754	$ 73,091	$ 6,720	$ (16,908)
Beginning Balance (in shares) at Sep. 30, 2010		7,543,091
Comprehensive Income (Loss)	(14,273)			(7,236)	(7,037)
Issuance of Common Stock, Net of Tax (in shares)		16,500
Issuance of Common Stock, Net of Tax	19	2	17
Share-based Compensation	304		304
Ending Balance at Sep. 30, 2011	49,707	756	73,412	(516)	(23,945)
Ending Balance (in shares) at Sep. 30, 2011		7,559,591
Comprehensive Income (Loss)	17,227			25,319	(8,092)
Issuance of Common Stock, Net of Tax (in shares)		151,192
Issuance of Common Stock, Net of Tax	891	15	876
Share-based Compensation	508		508
Ending Balance at Sep. 30, 2012	68,333	771	74,796	24,803	(32,037)
Ending Balance (in shares) at Sep. 30, 2012		7,710,783
Comprehensive Income (Loss)	39,810			23,232	16,578
Issuance of Common Stock, Net of Tax (in shares)		238,217
Issuance of Common Stock, Net of Tax	2,607	24	2,583
Share-based Compensation	587		587
Ending Balance at Sep. 30, 2013	$ 111,337	$ 795	$ 77,966	$ 48,035	$ (15,459)
Ending Balance (in shares) at Sep. 30, 2013		7,949,000

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Quantitative Disclosures About the Swap Agreement Before Income Tax Effects (Detail) (USD $) In Thousands, unless otherwise specified	Sep. 30, 2013
Balance sheet location of fair value:
Other assets	$ 554
Accrued liabilities	$ 298

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Outstanding Debt Balance (Detail) (USD $) In Thousands, unless otherwise specified	Sep. 30, 2013	Sep. 30, 2012
Debt Instrument [Line Items]
Term Loan, variable-rate interest, due through 2017	$ 55,500
Senior Notes, 9%, due 2015		65,000
Capital Leases, due through 2014	2	20
Total Debt	55,502	65,020
Less Current Portion	(6,002)	(16)
Total Long-term Debt	$ 49,500	$ 65,004

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Gain Contingencies - Other Operating Gains - Additional Information (Detail) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Sep. 30, 2012	Sep. 30, 2011
Components of Other Operating Income [Line Items]
Other Operating Gains	$ 1,714	$ 2,929
Cash consideration for a limited release liability	1,714	258
Cash property tax refunds		$ 2,671

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COMMITMENTS AND CONTINGENCIES (Tables)

12 Months Ended

Sep. 30, 2013

Estimated Future Minimum Lease Payments Under Operating Leases

Minimum lease payments are recognized as rental expense on a straight-line basis over the minimum lease term. Estimated future minimum lease payments under operating leases as of September 30, 2013, are as follows:

Years ending September 30:
2014	$	1,192
2015		1,163
2016		1,158
2017		1,170
2018		709
Thereafter		53
Total	$	5,445

Summary of Our Environmental Reserve Activity

A summary of our environmental reserve activity for the year ended September 30, 2013, is shown below:

Balance, September 30, 2012	$	16,754
Expenditures		(4,807	)
Balance, September 30, 2013	$	11,947

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Financial Information about Segment Operations (Detail) (USD $) In Thousands, unless otherwise specified	1 Months Ended	3 Months Ended	12 Months Ended			24 Months Ended
	Jun. 30, 2011	Sep. 30, 2009	Sep. 30, 2013	Sep. 30, 2012	Sep. 30, 2011	Sep. 30, 2006
Segment Reporting Information [Line Items]
Revenues			$ 215,085	$ 185,627	$ 160,714
Operating Expenses			(45,865)	(39,066)	(35,895)
Environmental Remediation Charges	(6,000)	(13,700)		(700)	(6,000)	(26,000)
Operating Income (Loss)			41,089	28,098	7,885
Depreciation and amortization			13,453	13,700	14,058
Capital Expenditures			13,916	8,788	11,931
Total Assets			277,307	246,464	229,806
Total Operating Segments
Segment Reporting Information [Line Items]
Operating Income (Loss)			58,190	43,124	28,009
Total Operating Segments | Fine Chemicals
Segment Reporting Information [Line Items]
Revenues			124,898	111,536	89,497
Operating Income (Loss)			11,295	8,678	(6,283)
Depreciation and amortization			12,013	11,914	12,473
Capital Expenditures			11,138	7,383	11,153
Total Assets			154,707	143,551	144,003
Total Operating Segments | Specialty Chemicals
Segment Reporting Information [Line Items]
Revenues			82,636	68,513	66,905
Operating Income (Loss)			47,961	34,919	35,600
Depreciation and amortization			1,144	1,401	1,136
Capital Expenditures			2,661	1,353	756
Total Assets			27,427	21,029	19,785
Total Operating Segments | Other Businesses
Segment Reporting Information [Line Items]
Revenues			7,551	5,578	4,312
Operating Income (Loss)			(1,066)	(473)	(1,308)
Depreciation and amortization			21	18	17
Capital Expenditures			6	18	8
Total Assets			5,319	7,302	5,064
Corporate, Non-Segment
Segment Reporting Information [Line Items]
Operating Expenses			(17,101)	(14,326)	(14,124)
Depreciation and amortization			275	367	432
Capital Expenditures			111	34	14
Total Assets			$ 89,854	$ 74,582	$ 60,954

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Schedule of Pension Plans and SERP Recognized in Consolidated Balance Sheet (Detail) (USD $) In Thousands, unless otherwise specified	Sep. 30, 2013	Sep. 30, 2012
Pension Plans, Postretirement and Other Employee Benefits [Line Items]
Pension obligations and other long-term liabilities	$ (29,899)	$ (55,300)
Pension Plans
Pension Plans, Postretirement and Other Employee Benefits [Line Items]
Pension obligations and other long-term liabilities	(19,390)	(44,740)
Net amount recognized	(19,390)	(44,740)
SERP
Pension Plans, Postretirement and Other Employee Benefits [Line Items]
Employee related liabilities	(677)	(527)
Pension obligations and other long-term liabilities	(10,509)	(10,560)
Net amount recognized	$ (11,186)	$ (11,087)

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Reconciliation of Federal Statutory Rate (Detail)	12 Months Ended
	Sep. 30, 2013	Sep. 30, 2012	Sep. 30, 2011
Reconciliation of Statutory Federal Tax Rate [Line Items]
Federal income tax at the statutory rate	35.00%	35.00%	(35.00%)
State income tax, net of federal benefit	3.40%	4.10%	(3.60%)
Nondeductible expenses	0.20%	1.40%	8.60%
Valuation allowance	(0.20%)	(62.90%)	318.60%
Interest and penalties	(2.00%)	0.40%	1.10%
Domestic production activities and state credits	(7.90%)	0.00%	0.00%
State tax rate change	5.40%	0.00%	0.00%
Other	0.70%	(0.70%)	2.00%
Effective tax rate	34.60%	(22.70%)	291.70%

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Discontinued Operations - Additional Information (Detail) (USD $) In Thousands, unless otherwise specified	3 Months Ended	12 Months Ended
	Jun. 30, 2013	Sep. 30, 2013	Jun. 04, 2012	Oct. 31, 2013 Subsequent Event
Discontinued Operations [Line Items]
Total consideration for asset purchase agreement			$ 46,000
Balance in escrow account		3,350	4,000
Escrow amount released to settle liabilities	(650)
Escrow account maturity		15 months
Claim received for indemnification				$ 6,800

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SEGMENT INFORMATION

12 Months Ended

Sep. 30, 2013

SEGMENT INFORMATION

11. SEGMENT INFORMATION

We report our continuing operations in three operating segments: Fine Chemicals, Specialty Chemicals, and Other Businesses. These segments are based upon business units that offer distinct products and services, are operationally managed separately and produce products using different production methods. Segment operating income or loss includes all sales and expenses directly associated with each segment. Environmental remediation charges, corporate general and administrative costs, which consist primarily of executive, investor relations, accounting, human resources and information technology expenses, and interest are not allocated to segment operating results.

Fine Chemicals. Our Fine Chemicals segment includes the operating results of our wholly-owned subsidiaries Ampac Fine Chemicals LLC and AMPAC Fine Chemicals Texas, LLC (collectively, “AFC”). AFC is a custom manufacturer of active pharmaceutical ingredients and registered intermediates for commercial customers in the pharmaceutical industry. AFC operates in compliance with the U.S. Food and Drug Administration’s current Good Manufacturing Practices and the requirements of certain other regulatory agencies such as the European Union’s European Medicines Agency and Japan’s Pharmaceuticals and Medical Devices Agency. AFC also complies with Drug Enforcement Administration requirements related to the manufacture and sale of certain controlled substances. AFC has distinctive competencies and specialized engineering capabilities in performing chiral separations, manufacturing chemical compounds that require high containment, performing energetic chemistries at large scale, and manufacturing Schedule II controlled substances.

Specialty Chemicals. Our Specialty Chemicals segment manufactures and sells: (i) perchlorate chemicals, principally ammonium perchlorate, which is the predominant oxidizing agent for solid propellant rockets, booster motors and missiles used in space exploration, commercial satellite transportation and national defense programs, (ii) sodium azide, a chemical used in pharmaceutical manufacturing, and (iii) Halotron^®, a series of clean fire extinguishing agents used in fire extinguishing products ranging from portable fire extinguishers to total flooding systems.

Other Businesses. Our Other Businesses segment contains our water treatment equipment division and real estate activities. Our water treatment equipment business markets, designs, and manufactures electrochemical On Site Hypochlorite Generation, or OSHG, systems. These systems are used in the disinfection of drinking water, control of noxious odors, and the treatment of seawater to prevent the growth of marine organisms in cooling systems. We supply our equipment to municipal, industrial and offshore customers. Our real estate activities are not material.

Our revenues are characterized by individually significant orders and relatively few customers. As a result, in any given reporting period, certain customers may account for more than 10% of our consolidated revenues. The following table provides disclosure of the percentage of our consolidated revenues attributed to customers that exceed 10% of the total in each of the fiscal years ended September 30:

	2013		2012		2011
Fine chemicals customer		28%		31%		23%
Fine chemicals customer				12%
Specialty chemicals customer				17%
Specialty chemicals customer		20%		12%		24%

The following provides financial information about our segment operations for the fiscal years ended September 30:

	2013			2012			2011
Revenues:
Fine Chemicals	$	124,898		$	111,536		$	89,497
Specialty Chemicals		82,636			68,513			66,905
Other Businesses		7,551			5,578			4,312
Total Revenues	$	215,085		$	185,627		$	160,714
Segment Operating Income (Loss):
Fine Chemicals	$	11,295		$	8,678		$	(6,283	)
Specialty Chemicals		47,961			34,919			35,600
Other Businesses		(1,066	)		(473	)		(1,308	)
Total Segment Operating Income		58,190			43,124			28,009
Corporate Expenses		(17,101	)		(14,326	)		(14,124	)
Environmental Remediation Charges		-			(700	)		(6,000	)
Operating Income	$	41,089		$	28,098		$	7,885
Depreciation and Amortization:
Fine Chemicals	$	12,013		$	11,914		$	12,473
Specialty Chemicals		1,144			1,401			1,136
Other Businesses		21			18			17
Corporate		275			367			432
Total	$	13,453		$	13,700		$	14,058
Capital Expenditures:
Fine Chemicals	$	11,138		$	7,383		$	11,153
Specialty Chemicals		2,661			1,353			756
Other Businesses		6			18			8
Corporate		111			34			14
Total	$	13,916		$	8,788		$	11,931
Assets, at year end:
Fine Chemicals	$	154,707		$	143,551		$	144,003
Specialty Chemicals		27,427			21,029			19,785
Other Businesses		5,319			7,302			5,064
Corporate		89,854			74,582			60,954
Total	$	277,307		$	246,464		$	229,806

All of our continuing operations are located in the United States. Export sales consist mostly of fine chemicals and water treatment equipment sales. For the year ended September 30, 2013, sales outside the U.S. represented 43% of consolidated revenues. Of this amount 19% was sold to customers in Ireland, with no other individual country representing more than 10%. For the year ended September 30, 2012, sales outside the U.S. represented 36% of consolidated revenues. Of this amount, 17% was sold to customers in Ireland and 12% sold to customers in Belgium, with no other individual country representing more than 10%. For the year ended September 30, 2011, sales outside the U.S. represented 25% of consolidated revenues, with no individual country representing more than 10%.

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EARNINGS (LOSS) PER SHARE

12 Months Ended

Sep. 30, 2013

EARNINGS (LOSS) PER SHARE

7. EARNINGS (LOSS) PER SHARE

Shares used to compute earnings (loss) per share from continuing operations are as follows for the years ended September 30:

	2013		2012		2011
Income (Loss) from Continuing Operations	$	23,133	$	20,332	$	(9,379	)
Basic Weighted Average Shares		7,772,000		7,554,000		7,517,000
Diluted:
Weighted Average Shares, Basic		7,772,000		7,554,000		7,517,000
Dilutive Effect of Stock Options		291,000		82,000		-
Dilutive Effect of Restricted Stock		38,000		27,000		-
Weighted Average Shares, Diluted		8,101,000		7,663,000		7,517,000
Basic Earnings (Loss) per Share from Continuing Operations	$	2.98	$	2.69	$	(1.25	)
Diluted Earnings (Loss) per Share from Continuing Operations	$	2.86	$	2.65	$	(1.25	)

Antidilutive options and restricted shares are excluded from potential dilutive shares. As of September 30, 2013, we had no antidilutive options and restricted stock outstanding. As of September 30, 2012 and 2011, we had an aggregate of 278,385 and 653,304, respectively, of antidilutive options and restricted shares outstanding.

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Schedule of Amounts Recognized as Components of Accumulated Other Comprehensive Loss (Detail) (USD $) In Thousands, unless otherwise specified	Sep. 30, 2013	Sep. 30, 2012
Pension Plans
Pension Plans, Postretirement and Other Employee Benefits [Line Items]
Net actuarial loss	$ 17,950	$ 43,357
Prior service costs	642	414
Income tax benefits related to above items	(4,931)	(14,562)
Unrecognized benefit plan costs, net of tax	13,661	29,209
SERP
Pension Plans, Postretirement and Other Employee Benefits [Line Items]
Net actuarial loss	2,576	3,568
Prior service costs	982	1,402
Income tax benefits related to above items	(1,602)	(2,142)
Unrecognized benefit plan costs, net of tax	$ 1,956	$ 2,828

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SUBSEQUENT EVENT

12 Months Ended

Sep. 30, 2013

SUBSEQUENT EVENT

14. SUBSEQUENT EVENT

In October 2013, we received a claim for indemnification from Moog under the Asset Purchase Agreement associated with the sale of our former Aerospace Equipment segment (see Note 13).

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GAIN CONTINGENCIES - OTHER OPERATING GAINS

12 Months Ended

Sep. 30, 2013

GAIN CONTINGENCIES - OTHER OPERATING GAINS

12. GAIN CONTINGENCIES – OTHER OPERATING GAINS

We recognize gain contingencies in our consolidated statement of operations when all contingencies have been resolved, which generally coincides with the receipt of cash, if applicable. During the years ended September 30, 2012 and 2011, our Fine Chemicals segment reported other operating gains of $1,714 and $2,929 that resulted from the resolution of gain contingencies. We did not have any similar gains in the year ended September 30, 2013. The reported gains are comprised of the following two matters.

Our Fine Chemicals segment is undertaking several mandatory capital projects. Certain of the capital activities are complete and others are in progress or otherwise expected to be completed during our fiscal year ending September 30, 2014. In connection with these projects, our Fine Chemicals segment held, and continues to hold, negotiations with the former owner of its facilities. During the years ended September 30, 2012 and 2011, we received from the former owner cash consideration in the amount of $1,714 and $258, respectively, for a limited release of liability of the former owner with respect to the completed projects.

We made a series of filings with the County of Sacramento, California, to appeal the assessed values in prior years of our real and personal property located at our Fine Chemicals segment’s Rancho Cordova, California facility. During the year ended September 30, 2011, we received $2,671 for cash property tax refunds resulting from our appeals and the related favorable reassessment of historical property values.

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Document and Entity Information (USD $)	12 Months Ended
	Sep. 30, 2013	Nov. 29, 2013	Mar. 28, 2013
Document Information [Line Items]
Document Type	10-K
Amendment Flag	false
Document Period End Date	Sep. 30, 2013
Document Fiscal Year Focus	2013
Document Fiscal Period Focus	FY
Trading Symbol	APFC
Entity Registrant Name	AMERICAN PACIFIC CORP
Entity Central Index Key	0000350832
Current Fiscal Year End Date	--09-30
Entity Well-known Seasoned Issuer	No
Entity Current Reporting Status	Yes
Entity Voluntary Filers	No
Entity Filer Category	Accelerated Filer
Entity Common Stock, Shares Outstanding		7,954,000
Entity Public Float			$ 172,400,000

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Revenues and Expenses Associated with Operations of Ampac- Isp (Detail) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Sep. 30, 2013	Sep. 30, 2012	Sep. 30, 2011
Assets Held For Sale [Line Items]
Revenues		$ 44,039	$ 48,941
Operating income (loss) before tax	83	643	3,328
Income tax expense (benefit)	(62)	506	1,185
Net income from discontinued operations	145	137	2,143
Gain (Loss) on sale of discontinued operations before tax	(74)	5,059
Income tax expense (benefit)	(28)	209
Net gain (loss) on sale of discontinued operations	(46)	4,850
Income from discontinued operations, net of tax	$ 99	$ 4,987	$ 2,143

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DISCONTINUED OPERATIONS

12 Months Ended

Sep. 30, 2013

DISCONTINUED OPERATIONS

13. DISCONTINUED OPERATIONS

In May 2012, our board of directors approved and we committed to a plan to sell our Aerospace Equipment segment, which is comprised of Ampac-ISP Corp. and its wholly-owned foreign subsidiaries (“AMPAC-ISP”). The divestiture is a strategic shift that allows us to place more focus on the growth and performance of our pharmaceutical-related product lines.

On June 4, 2012, we entered into an Asset Purchase Agreement with Moog Inc. (“Moog”) (the “Asset Purchase Agreement”), pursuant to which we sold to Moog substantially all of the assets of Ampac-ISP Corp., including all of the equity interests in its foreign subsidiaries (collectively, the “Purchased Assets”). Additionally, Moog assumed certain liabilities related to the operations and the Purchased Assets. The transaction was completed effective August 1, 2012. Under the terms of the Asset Purchase Agreement, the total consideration was approximately $46,000 (the “Purchase Price”) in cash.

The Asset Purchase Agreement provides that $4,000 of the Purchase Price be held in an escrow account for 15 months following the closing of the transaction, or until October 31, 2013. Amounts in the escrow account may be applied towards our indemnification obligations in favor of Moog, if any. The Asset Purchase Agreement provides that we, subject to certain limitations, indemnify Moog for damages and losses incurred or suffered by Moog as a result of, among other things, breaches of our respective representations, warranties and covenants contained in the Asset Purchase Agreement as well as any of the liabilities that we retain. During Fiscal 2013, $650 of the escrow account was released to Moog in settlement of certain retained liabilities.

In October 2013, we received a claim for indemnification from Moog under the Asset Purchase Agreement (the “Moog Claim”). The Moog Claim demands payment for alleged losses of approximately $6,800 from the claimed breach of certain of our representations and warranties in the Asset Purchase Agreement. In November 2013, we responded to Moog denying Moog’s claim for indemnification. We intend to vigorously defend ourselves in this matter, but the ultimate outcome is uncertain.

We have accounted for the portion of the Purchase Price that was placed in the escrow account as a contingent gain, and accordingly have deferred recognition of the amount until all contingencies have lapsed or been resolved. The balance in the escrow account as of September 30, 2013 is $3,350. If the Moog Claim is resolved for an amount less than the balance in the escrow account, then any amounts remaining in the escrow account after settlement of the Moog Claim will be released to us and recorded as a gain. If the Moog Claim is resolved for an amount greater than the escrow account, then the amount of the settlement that is in excess of the escrow account balance would be recorded by us as a loss.

Revenues and expenses associated with the operations of AMPAC-ISP are presented as discontinued operations for all periods presented. Summarized financial information for AMPAC-ISP is as follows:

	Year Ended September 30,
	2013			2012		2011
Revenues	$	-		$	44,039	$	48,941
Income from Discontinued Operations, Net of Tax
Operating income (loss) before tax	$	83		$	643	$	3,328
Income tax expense (benefit)		(62	)		506		1,185
Net income from discontinued operations		145			137		2,143
Gain (Loss) on Sale of Discontinued Operations
Gain (Loss) on sale of discontinued operations before tax		(74	)		5,059		-
Income tax expense (benefit)		(28	)		209		-
Net gain (loss) on sale of discontinued operations		(46	)		4,850		-
Income from discontinued operations, net of tax	$	99		$	4,987	$	2,143

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Deferred Tax Asset Valuation Allowance (Detail) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Sep. 30, 2013	Sep. 30, 2012	Sep. 30, 2011
Income Taxes [Line Items]
Balance, Beginning of Year		$ 10,486	$ 66
Deferred tax asset valuation allowance		(10,420)	10,420
Balance, End of the Year		66	10,486
Income Tax Expense Benefit
Income Taxes [Line Items]
Deferred tax asset valuation allowance	(66)	(10,420)	7,628
Other Comprehensive Income (Loss)
Income Taxes [Line Items]
Deferred tax asset valuation allowance			$ 2,792

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Schedule of Deferred Tax Assets (Detail) (USD $) In Thousands, unless otherwise specified	Sep. 30, 2013	Sep. 30, 2012	Sep. 30, 2011	Sep. 30, 2010
Deferred tax assets:
Inventory	$ 11,459	$ 9,183
Pension obligations	10,755	22,270
Environmental remediation reserves	7,533	9,997
Accrued expenses	4,314	3,824
Deferred gain on sale of business	996	1,448
Tax credits and carryforwards	515	66
Other	1,117	1,439
Subtotal	36,689	48,227
Valuation allowance		(66)	(10,486)	(66)
Deferred tax assets	36,689	48,161
Deferred tax liabilities:
Property, plant and equipment	(13,358)	(13,805)
Prepaid expenses	(576)	(432)
Other	(95)	(100)
Deferred tax liabilities	(14,029)	(14,337)
Net deferred tax assets	$ 22,660	$ 33,824