10-K

UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

Form 10-K

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

For the fiscal year ended December 31, 2014

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 No. 001-15903

CARBO Ceramics Inc.

(Exact name of registrant as specified in its charter)

DELAWARE	72-1100013
(State or other jurisdiction of incorporation or organization)	(I.R.S. Employer Identification Number)

575 North Dairy Ashford

Suite 300

Houston, Texas 77079

(Address of principal executive offices)

(281) 921-6400

(Registrant’s telephone number)

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 $0.01 per share	New York Stock Exchange

Securities registered pursuant to Section 12(g) of the Act: None

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  ¨    No  x

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.    Yes  x    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).    Yes   x    No  ¨

Indicate by check mark if disclosure of delinquent filers pursuant to Item 405 of Regulation S-K 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.  x

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:

Large accelerated filer	x	Accelerated filer	¨
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  ¨    No  x

The aggregate market value of the Common Stock held by non-affiliates of the Registrant, based upon the closing sale price of the Common Stock on June 30, 2014, as reported on the New York Stock Exchange, was approximately $3,042,021,331. Shares of Common Stock held by each director and executive officer and each person who owns 10% or more of the outstanding Common Stock have been excluded in that such persons may be deemed to be affiliates. This determination of affiliate status is not necessarily a conclusive determination for other purposes.

As of February 17, 2015, the Registrant had 23,276,180 shares of Common Stock outstanding.

DOCUMENTS INCORPORATED BY REFERENCE

Portions of the Proxy Statement for Registrant’s Annual Meeting of Stockholders to be held May 19, 2015, are incorporated by reference in Part III.

TABLE OF CONTENTS

PART I
Item 1.	Business	1
Item 1A.	Risk Factors	11
Item 1B.	Unresolved Staff Comments	16
Item 2.	Properties	16
Item 3.	Legal Proceedings	17
Item 4.	Mine Safety Disclosure	17
PART II
Item 5.	Market for Registrant’s Common Equity, Related Stockholder Matters and Issuer Purchases of Equity Securities	18
Item 6.	Selected Financial Data	20
Item 7.	Management’s Discussion and Analysis of Financial Condition and Results of Operations	21
Item 7A.	Quantitative and Qualitative Disclosures about Market Risk	29
Item 8.	Financial Statements and Supplementary Data	30
Item 9.	Changes in and Disagreements with Accountants on Accounting and Financial Disclosure	30
Item 9A.	Controls and Procedures	30
Item 9B.	Other Information	30
PART III
Item 10.	Directors, Executive Officers and Corporate Governance	31
Item 11.	Executive Compensation	31
Item 12.	Security Ownership of Certain Beneficial Owners and Management and Related Stockholder Matters	31
Item 13.	Certain Relationships and Related Transactions, and Director Independence	31
Item 14.	Principal Accounting Fees and Services	31
PART IV
Item 15.	Exhibits and Financial Statement Schedules	32
Signatures		33
Management’s Report on Internal Control Over Financial Reporting		F-1
Reports of Independent Registered Public Accounting Firm		F-2
Consolidated Financial Statements		F-4

PART I

Item 1. Business

General

CARBO Ceramics Inc. (the “Company” or “CARBO”) is an oilfield services technology company that generates revenue primarily through the sale of products and services to the oil and gas industry for production enhancement and environmental services.

Our production enhancement businesses promote increased Exploration and Production (“E&P) Operators’ production and Estimated Ultimate Recovery (“EUR”) by providing industry leading technology to Design, Build, and Optimize the Frac^TM. Our environmental services business is intended to protect E&P Operators’ assets, minimizes environmental risk, and lowers operating costs (LOE).

CARBO is the world’s largest supplier of ceramic proppant. The Company also sells sand and resin-coated sand. Originally, the Company participated in the sale of sand as a byproduct of its resin-coating operations. However, during 2014, the Company expanded its sand sales volumes and now sells sand independent of its resin-coating operations. The Company is the provider of the industry’s most popular fracture simulation software, and a provider of fracture design and consulting services, and a broad range of technologies for spill prevention, containment and countermeasures. The Company sells the majority of its products and services to operators of oil and natural gas wells and to oilfield service companies to help increase the production rates and the amount of oil and natural gas ultimately recoverable from these wells. The Company’s products and services are primarily used in the hydraulic fracturing of natural gas and oil wells. The Company was incorporated in 1987 in Delaware. As used herein, “Company”, “CARBO”, “we”, “our” and “us” may refer to the Company and/or its consolidated subsidiaries.

Hydraulic fracturing is the most widely used method of increasing production from oil and natural gas wells. The hydraulic fracturing process consists of pumping fluids down a natural gas or oil well at pressures sufficient to create fractures in the hydrocarbon-bearing rock formation. A granular material, called proppant, is suspended and transported in the fluid and fills the fracture, “propping” it open once high-pressure pumping stops. The proppant-filled fracture creates a conductive channel through which the hydrocarbons can flow more freely from the formation to the well and then to the surface.

There are three primary types of proppant that can be utilized in the hydraulic fracturing process: sand, resin-coated sand and ceramic. Sand is the least expensive proppant, resin-coated sand is more expensive and ceramic proppant is typically the most expensive. The higher initial cost of ceramic proppant is justified by the fact that the use of these proppants in certain well conditions results in an increase in the production rate of oil and natural gas, an increase in the total oil or natural gas that can be recovered from the well and, consequently, an increase in cash flow for the operators of the well. The increased production rates are primarily attributable to the higher strength and more uniform size and shape of ceramic proppant versus alternative materials.

The Company primarily manufactures six distinct ceramic proppants. Our newest proppant, KRYPTOSPHERE^TM HD, is a high-performance ceramic proppant engineered to deliver increased conductivity and durability in the highest closure stress wells. Even in challenging, high-cost environments such as deep water wells, KRYPTOSPHERE^TM HD retains its integrity and enables greater ultimate recovery from the reservoir.

CARBOHSP^® and CARBOPROP^® are high strength proppants designed primarily for use in deep oil and gas wells.

CARBOLITE^®, CARBOECONOPROP^® and CARBOHYDROPROP^® are low-density ceramic proppants. CARBOLITE^® is used in medium depth oil and gas wells, where higher production rates can be achieved due to the product’s uniform size and spherical shape. CARBOECONOPROP^® was introduced to provide a lower cost ceramic to compete more directly with resin-coated sand and sand proppant, and CARBOHYDROPROP^® was introduced to improve performance in “slickwater” fracture treatments.

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During 2010, the Company began production of resin-coated ceramic (CARBOBOND^® LITE^®) and resin-coated sand (CARBOBOND^®RCS) proppants. CARBOBOND^®LITE^® addresses a niche market in which oil and natural gas wells are subject to the risk of proppant flow-back. In the case of CARBOBOND^®RCS, the Company made the strategic decision to offer a lower-cost, lower-conductivity alternative proppant in addition to its ceramic proppant products, thereby broadening its proppant suite of products.

CARBO NORTHERN WHITE is a frac sand that is used by operators that still value quality, but do not wish to pay the higher costs associated with ceramic or resin-coated sand proppants.

In addition, the Company manufactures CARBONRT^®, a detectable proppant that utilizes a non-radioactive tracer material to assist operators in determining the locations of fractures in a natural gas or oil well. This tracer is added to the proppant granules during the manufacturing process, and can be added to most of the types of proppant that the Company sells.

In 2014, the Company also began sales of SCALEGUARD, a porous ceramic proppant that is infused with scale-inhibiting chemicals and placed throughout the fracture as part of the hydraulic fracturing process. The infused scale inhibitor in SCALEGUARD is designed to be released into the fracture only on contact with water and thereby reduce or eliminate expensive remedial maintenance programs.

The Company, through its wholly-owned subsidiary StrataGen, Inc., also sells fracture simulation software under the brand FracPro^® and provides fracture design and consulting services to oil and natural gas companies under the brand StrataGen.

FracPro^® provides a suite of stimulation software solutions to the industry that have marked capabilities for on-site real-time analysis. This has enabled recognition and remediation of potential stimulation problems. This stimulation software is tightly integrated with reservoir simulators, thus allowing for stimulation treatment and production optimization.

StrataGen, the specialized consulting team, consults and works with operators around the world to help optimize well placement, fracture treatment design and production enhancement. The broad range of expertise of the StrataGen consultants includes: fracture treatment design; completion support; on-site treatment supervision, quality control; post-treatment evaluation and optimization; reservoir and fracture studies; rock mechanics and software application and training.

Demand for most of the Company’s products and services depends primarily upon the demand for natural gas and oil and on the number of natural gas and oil wells drilled, completed or re-completed worldwide. More specifically, the demand for the Company’s products and services is dependent on the number of oil and natural gas wells that are hydraulically fractured to stimulate production.

Falcon Technologies and Services, Inc. (“Falcon Technologies”), a wholly-owned subsidiary of the Company, provides spill prevention, containment and countermeasure systems for the oil and gas industry. Falcon Technologies uses proprietary technology to provide products that are designed to enable its clients to extend the life of their storage assets, reduce the potential for hydrocarbon spills and provide containment of stored materials.

During the year ended December 31, 2014, the Company generated approximately 76% of its revenues in the United States and 24% in international markets.

Competition

As the demand for resin-coated and ceramic proppant was amplified by the large resource plays, the number of domestic and international competitors in the marketplace has increased. One of the Company’s worldwide proppant competitors is Saint-Gobain Proppants (“Saint-Gobain”). Saint-Gobain is a division of Compagnie de

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Saint-Gobain, a large French glass and materials company. Saint-Gobain manufactures a variety of ceramic proppants that it markets in competition with some of the Company’s products. Saint-Gobain’s primary manufacturing facility is located in Fort Smith, Arkansas; and Bauxite, Arkansas. Saint-Gobain also manufactures ceramic proppant in China. Mineracao Curimbaba (“Curimbaba”), based in Brazil, is also a competitor and manufactures ceramic proppants that it markets in competition with some of the Company’s products. Imerys, S.A., a competitor based in France (“Imeyrs”), has begun to manufacture ceramic proppant in Andersonville, Georgia, and during 2013 acquired Wrens, Georgia-based ceramic proppant manufacturer Pyramax, LLC.

There are two major manufacturers of ceramic proppant in Russia. Borovichi Refractory Plant (“Borovichi”) located in Borovichi, Russia, and FORES Refractory Plant (“FORES”) located in Ekaterinburg, Russia. Although the Company has limited information about Borovichi and FORES, the Company believes that Borovichi primarily manufactures intermediate-density ceramic proppants and markets its products principally within Russia, and that FORES manufactures intermediate-density and low-density ceramic proppant lines and markets its products both inside and outside of Russia. The Company further believes that these companies have added manufacturing capacity in recent years and now provide a majority of the ceramic proppant used in Russia. The Company is also aware of an increasing number of manufacturers in China. Most of these companies produce intermediate-density ceramic proppants that are marketed both inside and outside of China. Chinese proppant imports into the United States increased beginning in 2010 and 2011, which contributed to an over-supply of ceramic proppant in 2012, 2013 and 2014.

Competition for CARBOHSP^® and CARBOPROP^® principally includes ceramic proppant manufactured by Saint-Gobain, Curimbaba and various producers located in China. The Company’s CARBOLITE^®, CARBOECONOPROP^® and CARBOHYDROPROP^® products compete primarily with ceramic proppant produced by Saint-Gobain, Curimbaba and Imerys and with sand-based proppant for use in the hydraulic fracturing of medium depth natural gas and oil wells. At this time, there is not a comparable competitor’s product to the Company’s KRYPTOSPHERE HD.

The leading suppliers of mined sand are Unimin Corp., U.S. Silica Company, Fairmount Minerals Limited, Inc., Hi-Crush Partners LP, and Badger Mining Corp. The leading suppliers of resin-coated sand are Hexion (formerly known as Momentive Specialty Chemicals) and Santrol, a subsidiary of Fairmount Minerals.

The Company believes that some of the significant factors that influence a customer’s decision to purchase the Company’s ceramic proppant are (i) price/performance ratio, (ii) on-time delivery performance, (iii) technical support and (iv) proppant availability. The Company believes that its products are competitively priced and that its delivery performance is good. The Company also believes that its superior technical support has enabled it to persuade customers to use ceramic proppant in an increasingly broad range of applications and thus increased the overall market for the Company’s products. Over the past five years, the Company has increased its manufacturing and resin-coating capacity by 86% and plans to continue its strategy of adding capacity, as needed and as market conditions warrant, to meet anticipated future increases in sales demand.

Product Development

The Company continually conducts testing and development activities with respect to alternative raw materials to be used in the Company’s existing and alternative production methods. During 2013, the Company introduced a new ceramic proppant, KRYPTOSPHERE^TM HD, with increased strength and conductivity when compared to its traditional products. This new product is intended for use in ultra-high stress wells. The next phase for KRYPTOSPHERE^TM is applying this technology to the Company’s existing manufacturing footprint. Currently, the Company is retrofitting an existing plant with KRYPTOSPHERE^TM technology. For information regarding the Company’s research and development expenditures, see Note 1 to the “Notes to Consolidated Financial Statements.”

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The Company is actively involved in the development of alternative products for use as proppant in the hydraulic fracturing process and is aware of others engaged in similar development activities. The Company believes that while there are potential specialty applications for these products, they will not significantly impact the use of ceramic proppants. The Company believes that the “know-how” and trade secrets necessary to efficiently manufacture a product of consistently high quality are difficult barriers to entry to overcome.

Customers and Marketing

The Company’s largest customers are participants in the petroleum pressure pumping industry. Specifically, Halliburton Energy Services, Inc. and Schlumberger Limited each accounted for more than 10% of the Company’s 2014 and 2013 revenues. However, the end users of the Company’s products are the operators of natural gas and oil wells that hire the pressure pumping service companies to hydraulically fracture wells. The Company works both with the pressure pumping service companies and with the operators of natural gas and oil wells to present the technical and economic advantages of using ceramic proppant. The Company generally supplies its customers with products on a just-in-time basis, as specified in individual purchase orders. Continuing sales of product depend on the Company’s direct customers and the well operators being satisfied with product quality, availability and delivery performance. In addition, continuing sales of product depend on a favorable level of activity in the natural gas and oil industries. The Company provides its software simulation products and consulting services directly to owners and/or operators of oil and gas wells and service companies.

The Company recognizes the importance of a technical marketing program in demonstrating long-term economic advantages when selling products and services that offer financial benefits over time. The Company has a broad technical sales force to advise end users on the benefits of using ceramic proppant and performing fracture simulation and consultation services.

Although the Company’s initial products were originally intended for use in deep, high-stress wells that require high-strength proppant, the Company believes that there is economic benefit to well operators of using ceramic proppant in shallower, lower-stress wells. The Company believes that its new product introductions and education-based technical marketing efforts have allowed it to expand sales in recent years and will continue to do so in the future.

The Company provides a variety of technical support services and has developed computer software that models the return on investment achievable by using the Company’s ceramic proppant versus alternatives in the hydraulic fracturing of a natural gas or oil well. In addition to the technical marketing effort, the Company from time to time engages in field trials to demonstrate the economic benefits of its products and validate the findings of its computer simulations. Periodically, the Company provides proppant to production companies for field trials, on a discounted basis, in exchange for a production company’s agreement to provide production data for direct comparison of the results of fracturing with ceramic proppant as compared to alternative proppants.

The Company’s international marketing efforts are conducted primarily through its sales offices in Dubai, United Arab Emirates; Alberta, Canada; Beijing, China; and Moscow, Russia, and through commissioned sales agents located in South America. The Company’s products and services are used worldwide by U.S. customers operating domestically and abroad, and by foreign customers. Sales outside the United States accounted for 24%, 21% and 23% of the Company’s sales for 2014, 2013 and 2012, respectively. The distribution of the Company’s international and domestic revenues is shown below, based upon the region in which the customer used the products and services:

	For the years ended December 31,
	2014		2013		2012
	($ in millions)
Location
United States	$	491.0	$	529.6	$	500.1
International		157.3		137.8		145.4
Total	$	648.3	$	667.4	$	645.5

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Production Capacity

The Company believes that constructing adequate capacity ahead of demand while incorporating new technology to reduce manufacturing costs are important competitive strategies to increase its overall share of the market for proppant.

Between 2006 and 2011, the Company, in successive phases, completed construction of four ceramic proppant production lines at its manufacturing facility in Toomsboro, Georgia. The stated annual production capacity at this facility is 1.0 billion pounds per year.

During 2010, the Company began production from a resin-coating plant that was built within the existing manufacturing infrastructure of its New Iberia, Louisiana facility. The resin-coating plant is utilized to coat both ceramic proppant manufactured at other Company locations and raw frac sand. A second resin-coating production line at the facility was completed in 2012. The facility also functions as a distribution center. During 2012, the Company began to utilize its own CARBO Northern White sand in its sand processing facility in Marshfield, Wisconsin. This facility currently supplies raw frac sand to the proppant market. During 2014, the Company made a decision that it will not move forward with construction of a resin coating plant in Marshfield, Wisconsin.

During 2014, the Company completed construction of the first 250 million pound ceramic proppant production line in Millen, Georgia and the plant commenced operations. In addition, the Company began the construction on a second 250 million pound production line in Millen. However, due to current market conditions, the construction and completion of this second line has been temporarily suspended.

The following table sets forth the current stated capacity of each of the Company’s existing manufacturing and resin-coating facilities:

Location	Annual Capacity
	(millions of pounds)
Eufaula, Alabama		275
McIntyre, Georgia		275
Toomsboro, Georgia		1,000
Millen, Georgia		250
Luoyang, China		100	*
Kopeysk, Russia		100
Total manufacturing capacity		2,000
New Iberia, Louisiana – resin-coating		400	**
Total current capacity		2,400

* Given current business conditions, the Company expects to idle its plant in China during the first quarter of 2015.

** Processing activities at the New Iberia facility involve resin-coating of previously manufactured ceramic proppant substrate and raw frac sand. During 2013, the Company began manufacturing KRYPTOSPHERE^TM HD at its New Iberia facility.

Once the second line at the Millen, Georgia facility has been completed, the Company’s ceramic manufacturing capacity will total 2.25 billion pounds. The construction of additional manufacturing capacity beyond these new facilities will be dependent on the expected future demand for the Company’s products, access to needed capital and the ability to obtain necessary environmental permits.

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Long-Lived Assets By Geographic Area

Long-lived assets, consisting of net property, plant and equipment, goodwill, intangibles, and other long-term assets as of December 31 in the United States and other countries are as follows:

	2014		2013		2012
	($ in millions)
Long-lived assets:
United States	$	578.5	$	472.1	$	422.3
International (primarily China and Russia)		18.1		35.5		36.7
Total	$	596.6	$	507.6	$	459.0

Distribution

The Company maintains finished goods inventories at each of its manufacturing facilities and at remote stocking facilities. The North American remote stocking facilities consist of bulk storage silos with truck trailer loading facilities, as well as rail yards for direct transloading from rail car to tank trucks. International remote stocking sites are duty-free warehouses operated by independent owners. North American sites are typically supplied by rail, and international sites are typically supplied by container ship. In total, the Company leases approximately 1,950 rail cars for use in the distribution of its products and is under contract to add approximately 200 more railcars by the end of 2015. The price of the Company’s products sold for delivery in the lower 48 United States and Canada typically includes just-in-time delivery of proppant to the operator’s well site, which eliminates the need for customers to maintain an inventory of ceramic proppant. The Company expands its distribution network as needed, including rail car additions as well as increasing finished goods storage capacity at stocking locations. During the fourth quarter of 2012, the Company completed an expansion of its distribution facility in South Texas. Additionally, the Company is rationalizing its rail fleet to reduce reliance on the fleet as a form of storage, and expects to sublease or otherwise transfer railcars during 2015 to avoid the expansion of its fleet.

Raw Materials

Ceramic proppant is made from alumina-bearing ores (commonly referred to as clay, bauxite, bauxitic clay or kaolin, depending on the alumina content) that are readily available on the world market. Bauxite is largely used in the production of aluminum metal, refractory material and abrasives. The main known deposits of alumina-bearing ores in the United States are in Arkansas, Alabama and Georgia; other economically mineable known deposits are located in Australia, Brazil, China, Gabon, Guyana, India, Jamaica, Russia and Surinam.

For the production of CARBOHSP^® and CARBOPROP^® in the United States the Company uses bauxite, and has historically purchased its annual requirements at the seller’s current prices. The Company believes that its ability to purchase bauxite on the open market and current bauxite inventories will sufficiently provide for its bauxite needs in the United States during 2015.

The Company’s Eufaula, McIntyre, Toomsboro and Millen facilities primarily use locally mined kaolin for the production of CARBOLITE^®, CARBOECONOPROP^® and CARBOHYDROPROP^®. The Company has entered into bi-lateral contracts that require a supplier to sell to the Company, and the Company to purchase from the supplier, at least fifty percent of the Eufaula facility’s and Millen facility’s annual kaolin requirements. The Eufaula contract runs through 2017, with options to extend this agreement for additional three year terms. The Millen contract, which commenced in July 2014, has an initial term of five years with options to extend the agreement for an additional five years. The Company has obtained ownership rights in acreage in Wilkinson County, Georgia, which contains in excess of a twelve year supply of kaolin for its Georgia facilities based on full capacity production rates. The Company has entered into a long-term agreement with a third party to mine and transport this material at a fixed price subject to annual adjustment. The agreement requires the Company to

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utilize the third party to mine and transport a majority of the McIntyre and Toomsboro facility’s annual kaolin requirement. Overall, the Company estimates that its fee simple and leasehold mineral rights in the states of Alabama and Georgia contain approximately 19.1 million tons of kaolin suitable for use in production of the Company’s kaolin-based proppants.

The Company’s production facility in Luoyang, China, uses both kaolin and bauxite for the production of CARBOPROP^® and CARBOLITE^®. Certain of these materials are purchased under a short-term contract that stipulates fixed prices.

The Company’s production facility in Kopeysk, Russia currently uses bauxite for the production of CARBOPROP^®. Bauxite is purchased under annual agreements that stipulate fixed prices for up to a specified quantity of material.

The Company continues to explore options for the purchase of high-quality raw materials for its sand business. In 2011, the Company secured a five-year contract with a supplier and consummated the purchase of two parcels of property containing sand reserves. During 2012, the Company began to utilize its own CARBO Northern White sand in its sand processing facility in Marshfield, Wisconsin, which supplies the Company’s resin-coating facility in New Iberia, Louisiana, as well as raw frac sand to the proppant market.

Ceramic Production Process

Ceramic proppants are made by grinding or dispersing ore to a fine powder, combining the powder into small pellets and firing the pellets in a rotary kiln. The Company uses three different methods to produce ceramic proppant.

The Company’s plants in McIntyre, Georgia; Kopeysk, Russia and Luoyang, China use a dry process, which utilizes clay, bauxite, bauxitic clay or kaolin. The raw material is ground, pelletized and screened. The manufacturing process is completed by firing the product in a rotary kiln.

The Company’s plants in Eufaula, Alabama, Toomsboro, Georgia, and Millen, Georgia, use a wet process, which starts with kaolin that is formed into slurry. The slurry is then pelletized in a dryer and the pellets are then fired in a rotary kiln.

The portion of the Company’s plant in New Iberia, Louisiana that manufactures ceramic proppant uses a new manufacturing process associated with the Company’s KRYPTOSPHERE product line. In addition, construction has begun to retrofit another of the Company’s plants with this new process.

The Company’s rotary kilns are primarily heated by the use of natural gas.

Patent Protection and Intellectual Property

The Company makes ceramic proppant and ceramic media used in foundry and scouring processes (the latter two items comprising a minimal volume of overall sales) by processes and techniques that involve a high degree of proprietary technology, some of which is protected by patents.

The Company owns multiple patents in the United States and various foreign countries that relate to different types of ceramic proppant and production methods used for ceramic proppant and media; however, production of products pursuant to these patents does not currently constitute a material portion of the Company’s output. The Company also owns multiple U.S. and foreign patents that relate to methods for the detection of subterranean fractures.

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During 2014, the Company obtained two U.S. patents relating to its KRYPTOSPHERE manufacturing process, and expects these patents to provide assistance in the future sales of this product line.

The Company owns multiple U.S. patent applications (together with a number of counterpart applications pending in foreign jurisdictions). Each of the U.S. patent applications cover ceramic proppant, processes for making ceramic proppant, and detection of subterranean fractures. The applications are in various stages of the patent prosecution process, and patents may not issue on such applications in any jurisdiction for some time, if they issue at all.

Falcon Technologies owns two U.S. patents, which expire in 2026 and 2027 and relate to construction of secondary containment areas. In addition, Falcon Technologies owns a U.S. patent which expires in 2031 and relates to the construction of a polyurea-coated tank base. Falcon Technologies also owns multiple U.S patent applications (together with a number of counterpart applications pending in foreign jurisdictions), each of which relates to tank bases or methods of constructing secondary containment areas.

The Company believes that its patents have historically been important in enabling the Company to compete in the market to supply proppant to the natural gas and oil industry. The Company intends to enforce, and has in the past vigorously enforced, its patents. The Company may from time to time in the future be involved in litigation to determine the enforceability, scope and validity of its patent rights. In addition to patent rights, and perhaps more notably, the Company uses a significant amount of trade secrets, or “know-how,” and other proprietary information and technology in the conduct of its business. None of this “know-how” and technology is licensed from third parties.

Seasonality

Historically, the Company’s business has not been subject to regular material seasonality fluctuations. However, with the activity increase in resource plays in the northern and eastern United States, the Company has recently experienced higher levels of proppant sales activities during warmer weather periods and less during colder weather months. In addition, sales activities can be decreased by the spring snow and ice “break-up” in Canada, North Dakota, Montana, and the Northeast U.S., as well as the winter holidays in December and January.

Environmental and Other Governmental Regulations

The Company believes that its operations are in substantial compliance with applicable domestic and foreign federal, state and local environmental and safety laws and regulations.

Existing federal environmental requirements such as the Clean Air Act and the Clean Water Act, as amended, impose certain restrictions on air and water pollutants from the Company’s operations via permits and regulations. Those pollutants include volatile organic compounds, nitrogen oxides, sulfur dioxide, particulate matter, storm water and wastewater discharges and other by-products. In addition to meeting environmental requirements for existing operations, the Company must also demonstrate compliance with environmental regulations in order to obtain permits prior to any future expansion. The United States Environmental Protection Agency (“EPA”) and state programs require covered facilities to obtain individual permits or have coverage under an EPA general permit issued to groups of facilities. A number of federal and state agencies, including but not limited to, the EPA, the Texas Commission of Environmental Quality, the Louisiana Department of Environmental Quality, the Alabama Department of Environmental Management, the Wisconsin Department of Natural Resources, and the Georgia Environmental Protection Division, in states in which we do business, have environmental regulations applicable to our operations. Historically we have been able to obtain permits, where necessary, to build new facilities and modify existing facilities that allow us to continue compliant operations and obtaining these permits in a timely manner will continue to be an important factor in the Company’s ability to do so in the future.

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Employees

As of December 31, 2014, the Company had 1,048 employees worldwide. In addition to the services of its employees, the Company employs the services of consultants as required. The Company’s employees are not represented by labor unions. There have been no work stoppages or strikes during the last three years that have resulted in the loss of production or production delays. The Company believes its relations with its employees are satisfactory.

Executive Officers of the Registrant

Gary A. Kolstad (age 56) was elected in June 2006, by the Company’s Board of Directors to serve as President and Chief Executive Officer and a Director of the Company. Mr. Kolstad previously served in a variety of positions over 21 years with Schlumberger. Mr. Kolstad became a Vice President of Schlumberger in 2001, where he last held the positions of Vice President, Oilfield Services – U.S. Onshore and Vice President, Global Accounts.

Ernesto Bautista III (age 43) joined the Company as a Vice President and Chief Financial Officer in January 2009. From July 2006 until joining the Company, Mr. Bautista served as Vice President and Chief Financial Officer of W-H Energy Services, Inc., a Houston, Texas based diversified oilfield services company (“W-H Energy”). From July 2000 to July 2006, he served as Vice President and Corporate Controller of W-H Energy. From September 1994 to May 2000, Mr. Bautista served in various positions at Arthur Andersen LLP, most recently as a manager in the assurance practice, specializing in emerging, high growth companies. Mr. Bautista is a certified public accountant in the State of Texas.

Don P. Conkle (age 50) was appointed Vice President, Marketing and Sales in October 2012. Mr. Conkle previously held a variety of domestic and international managerial positions in engineering, marketing and sales, and technology development over a 26 year period with Schlumberger. He served in the positions of Vice President of Stimulation Services from 2007 until 2009, as GeoMarket Manager (Qatar & Yemen) from 2009 until 2011 and as Production Group Marketing and Technology Director from 2011 until he joined the Company.

Roger Riffey (age 56) joined the Company in July 2006 as Director of Logistics and Customer Service. He was appointed Plant Manager of the Toomsboro, Georgia, facility in July 2010, and was named Vice President, Manufacturing in May 2013. Previously, Mr. Riffey held positions with Rio Tinto Energy in Special Projects, U.S. Borax as Global Logistics Manager and Kerr-McGee Coal Corporation as Manager of Marketing.

R. Sean Elliott (age 40) joined the Company in November 2007 as General Counsel, and was appointed as Corporate Secretary and Chief Compliance Officer in January 2008 and as a Vice President of the Company in May 2011. Previously, Mr. Elliott served as legal counsel to Aviall, Inc. (an international aviation company) from 2004 to 2007, where he last held the positions of Assistant General Counsel and Assistant Secretary. From 1999 until 2004, Mr. Elliott practiced law with Haynes and Boone, LLP, a Dallas, Texas-based law firm.

All officers are elected for one-year terms or until their successors are duly elected. There are no arrangements between any officer and any other person pursuant to which he was selected as an officer. There is no family relationship between any of the named executive officers or between any of them and the Company’s directors.

Forward-Looking Information

The Private Securities Litigation Reform Act of 1995 provides a “safe harbor” for forward-looking statements. This Form 10-K, the Company’s Annual Report to Shareholders, any Form 10-Q or any Form 8-K of the Company or any other written or oral statements made by or on behalf of the Company may include forward-looking statements which reflect the Company’s current views with respect to future events and financial performance. The words “believe”, “expect”, “anticipate”, “project”, “estimate”, “forecast”, “plan” or “intend”

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and similar expressions identify forward-looking statements. Readers are cautioned not to place undue reliance on these forward-looking statements, each of which speaks only as of the date the statement was made. The Company undertakes no obligation to publicly update or revise any forward-looking statements, whether as a result of new information, future events or otherwise. The Company’s forward-looking statements are based on assumptions that we believe to be reasonable but that may not prove to be accurate. All of the Company’s forward-looking information is subject to risks and uncertainties that could cause actual results to differ materially from the results expected. Although it is not possible to identify all factors, these risks and uncertainties include the risk factors discussed below.

The Company’s results of operations could be adversely affected if its business assumptions do not prove to be accurate or if adverse changes occur in the Company’s business environment, including but not limited to:

• a potential decline in the demand for oil and natural gas;

• potential declines or increased volatility in oil and natural gas prices that would adversely affect our customers, the energy industry or our production costs;

• potential reductions in spending on exploration and development drilling in the oil and natural gas industry that would reduce demand for our products and services;

• seasonal sales fluctuations;

• an increase in competition in the proppant market, including imports from foreign countries;

• logistical and distribution challenges relating to certain resource plays that do not have the type of infrastructure systems that are needed to efficiently support oilfield services activities;

• the development of alternative stimulation techniques, such as extraction of oil or gas without fracturing;

• increased governmental regulation of hydraulic fracturing;

• increased regulation of emissions from our manufacturing facilities;

• the development of alternative proppants for use in hydraulic fracturing;

• general global economic and business conditions;

• an increase in raw materials costs;

• fluctuations in foreign currency exchange rates; and

• the potential expropriation of assets by foreign governments.

The Company’s results of operations could also be adversely affected as a result of worldwide economic, political and military events, including, but not limited to, war, terrorist activity or initiatives by the Organization of the Petroleum Exporting Countries (“OPEC”). For further information, see “Item 1A. Risk Factors.”

Available Information

The Company’s annual reports on Form 10-K, proxy statements, quarterly reports on Form 10-Q, current reports on Form 8-K and amendments to those reports filed or furnished pursuant to Section 13(a) or 15(d) of the Securities Exchange Act of 1934 (“Exchange Act”) are made available free of charge on the Company’s internet website at http://www.carboceramics.com as soon as reasonably practicable after such material is filed with, or furnished to, the Securities and Exchange Commission (“SEC”).

The public may read and copy any materials that the Company files with the SEC at the SEC’s Public Reference Room at 100 F Street, Room 1580, N.E., Washington, D.C. 20549. The public may obtain information on the operation of the Public Reference Room 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, at http://www.sec.gov.

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Item 1A. Risk Factors

You should consider carefully the trends, risks and uncertainties described below and other information in this Form 10-K and subsequent reports filed with the SEC before making any investment decision with respect to our securities. If any of the following trends, risks or uncertainties actually occurs or continues, our business, financial condition or operating results could be materially adversely affected, the trading prices of our securities could decline, and you could lose all or part of your investment.

Our business and financial performance depend on the level of activity in the natural gas and oil industries.

Our operations are materially dependent upon the levels of activity in natural gas and oil exploration, development and production. More specifically, the demand for our products is closely related to the number of natural gas and oil wells completed in geologic formations where ceramic or resin-coated sand proppants are used in fracture treatments. These activity levels are affected by both short-term and long-term trends in natural gas and oil prices. In recent years, natural gas and oil prices and, therefore, the level of exploration, development and production activity, have experienced significant fluctuations. Worldwide economic, political and military events, including war, terrorist activity, events in the Middle East and initiatives by OPEC, have contributed, and are likely to continue to contribute, to price volatility. Additionally, warmer than normal winters in North America and other weather patterns may adversely impact the short-term demand for natural gas and, therefore, demand for our products and services. Natural gas prices experienced a significant decline during 2012 and remained low throughout 2013 and 2014, which resulted in a decline in the United States drilling rig count. Further, the price of oil declined significantly during the second half of 2014, and currently remains low. This reduction in natural gas and oil prices has depressed the level of natural gas and oil exploration, development, production and well completions activity and resulting demand for our products. This decline has had an adverse impact on our results of operations and could have a material adverse effect on our financial condition if natural gas and oil prices and well completion activity do not improve.

Our business and financial performance could suffer if the levels of hydraulic fracturing decrease or cease as a result of the development of new processes, increased regulation or a decrease in horizontal drilling activity.

Substantially all of our products are proppants used in the completion and re-completion of natural gas and oil wells through the process of hydraulic fracturing. In addition, demand for our proppants is substantially higher in the case of horizontally drilled wells, which allow for multiple hydraulic fractures within the same well bore but are more expensive to develop than vertically drilled wells. A reduction in horizontal drilling or the development of new processes for the completion of natural gas and oil wells leading to a reduction in, or discontinuation of the use of, hydraulic fracturing could cause a decline in demand for our products. Additionally, increased regulation or environmental restrictions on hydraulic fracturing or the materials used in this process could negatively affect our business by increasing the costs of compliance or resulting in operational delays, which could cause operators to abandon the process due to commercial impracticability. Moreover, future federal, state local or foreign laws or regulations could otherwise limit or ban hydraulic fracturing. Several states in which our customers operate have adopted, or are considering adopting, regulations that have imposed, or could impose, more stringent permitting, transparency, disposal and well construction requirements on hydraulic fracturing operations. Some states, such as New York, have banned the process of hydraulic fracturing altogether. Similar efforts have been proposed in other states. Any of these events could have a material adverse effect on our results of operations and financial condition.

We face distribution and logistical challenges in our business

As oil and natural gas prices fluctuate, our customers may shift their focus back and forth between different resource plays, some of which can be located in geographic areas that do not have well-developed transportation and distribution infrastructure systems. Transportation and logistical operating expenses continue to comprise a significant portion of our total delivered cost of sales. Therefore, serving our clients in these less-developed areas

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presents distribution and other operational challenges that affect our sales and negatively impact our operating costs. Disruptions in transportation services, including shortages of rail cars or a lack of rail transportation services or developed infrastructure, could affect our ability to timely and cost effectively deliver to our customers and could provide a competitive advantage to competitors located in closer proximity to customers. Additionally, increases in the price of diesel fuel could negatively impact operating costs if we are unable to pass those increased costs along to our customers. Failure to find long-term solutions to these logistical challenges could adversely affect our ability to respond quickly to the needs of our customers or result in additional increased costs, and thus could negatively impact our results of operations and financial condition.

We operate in an increasingly competitive market.

The proppant market is highly competitive and no one supplier is dominant. We compete with other domestic and international suppliers of ceramic proppant, as well as with suppliers of sand for use as proppant, in the hydraulic fracturing of natural gas and oil wells. The expiration of key patents owned by the Company has resulted in additional competition in the market for ceramic proppant. Specifically, Chinese manufacturers now import ceramic proppant of varying quality into North America, which has led to an oversupply of product in the marketplace. While we believe our ceramic proppant can be differentiated from low quality imports, the oversupply in the marketplace had resulted in pricing and margin pressures. In 2014 and 2013, ceramic proppant imports from China decreased somewhat when compared to early 2012, but these imports were still present in the market. The entry of additional competitors into the market to supply ceramic proppant or a surge in the level of ceramic proppant imports into North America could have a material adverse effect on our results of operations and financial condition.

We may be adversely affected by decreased demand for our proppant or the development by our competitors of effective alternative proppants.

Ceramic proppant is a premium product capable of withstanding higher pressure and providing more highly conductive fractures than mined sand, which is the most commonly used proppant type. During the second half of 2014, we saw some E&P operators that have traditionally used ceramic proppant experiment with the use of mined sand in its place. Although we believe that the use of ceramic proppant or resin-coated sand generates higher production rates and more favorable production economics than mined sand, a significant shift in demand from ceramic proppant to resin-coated sand or mined sand could have a material adverse effect on our results of operations and financial condition. The development and use of effective alternative proppant could also cause a decline in demand for our products, and could have a material adverse effect on our results of operations and financial condition.

We rely upon, and receive a significant percentage of our revenues from, a limited number of key customers and end users.

During 2014, our key customers included several of the largest participants in the worldwide petroleum pressure pumping industry. Two of these customers accounted collectively for approximately 52% of our 2014 revenues. However, the end users of our products are numerous operators of natural gas and oil wells that hire pressure pumping service companies to hydraulically fracture wells. During 2014, a majority of our ceramic proppant sales were directed to a concentrated number of end users. We generally supply our domestic pumping service customers with products on a just-in-time basis, with transactions governed by individual purchase orders. Continuing sales of product depend on our direct customers and the end user well operators being satisfied with product quality, pricing, availability and delivery performance. While we believe our relations with our customers and our end users are satisfactory, a material decline in the level of sales to any one of our major customers or loss of a key end user due to unsatisfactory product performance, pricing, delivery delays or any other reason could have a material adverse effect on our results of operations and financial condition.

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The operations of our customers, and thus the results of our operations, are subject to a number of operational risks, interruptions and seasonal trends.

As hydraulic fracturing jobs have increased in size and intensity, common issues such as weather, equipment delays or changes in the location and types of oil and natural gas plays can result in increased variability in proppant sales volumes. Our business operations and those of our customers involve a high degree of operational risk. Natural disasters, adverse weather conditions, collisions and operator error could cause personal injury or loss of life, severe damage to and destruction of property, equipment and the environment, and suspension of operations. Our customers perform work that is subject to unexpected or arbitrary interruption or termination. The occurrence of any of these events could result in work stoppage, loss of revenue, casualty loss, increased costs and significant liability to third parties. We have not historically considered seasonality to be a significant risk, but with the increase in resource plays in the northern and eastern United States as well as our operations in Marshfield, Wisconsin, our results of operations are exposed to seasonal variations and inclement weather. Operations in certain regions involve more seasonal risk in the winter months, and work is hindered during other inclement weather events. This variability makes it more difficult to predict sales and can result in greater fluctuations to our quarterly financial results. These quarterly fluctuations could result in operating results that are below the expectations of public market analysts and investors, and therefore may adversely affect the market price for our common stock.

The ability of our customers to complete work, as well as our ability to mine sand from cold climate areas, could be affected during the winter months. Our revenue and profitability could decrease during these periods and in other severe weather conditions because work is either prevented or more costly to complete. If a substantial amount of production is interrupted, our cash flow and, in turn, our results of operations could be materially and adversely affected.

We will require a significant amount of cash to meet our needs, which depends on many factors beyond our control.

Our primary source of liquidity is cash on hand, cash flow from operations and borrowing capacity under our revolving credit facility, subject to certain limitations contained in the agreement for that facility. Based on our current and anticipated levels of operations and conditions in our markets, we believe that cash on hand, cash flow from operations, borrowing capacity under our credit facility and cash flow from other liquidity-generating transactions will enable us to meet our working capital, capital expenditure, debt service and other funding requirements for at least the next twelve months. However, our ability to fund our working capital, capital expenditures, debt service and other obligations and to comply with the financial covenants under our credit facility depends on our future operating performance and cash from operations and other liquidity-generating transactions, which are in turn subject to prevailing oil and gas prices, economic conditions and other factors, many of which are beyond our control. If our future operating performance does not meet our expectation or our plans materially change in an adverse manner or prove to be materially inaccurate, we may need additional financing. Adverse securities and credit market conditions could significantly affect the availability of equity or debt financing. Future financing transactions may further increase interest expense, which could in turn reduce our financial flexibility and our ability to fund other activities and make us more vulnerable to changes in operating performance or economic downturns generally. There can be no assurance that additional financing, if permitted under the terms of our credit facility, will be available on terms acceptable to us or at all. The inability to generate sufficient cash or obtain additional financing could have a material adverse effect on our financial condition and on our ability to meet our obligations or pursue strategic initiatives.

A significant portion of our ceramic proppant is manufactured at one of our plants. All of our mined sand is processed at another plant. Any adverse developments at those plants could have a material adverse effect on our financial condition and results of operations.

Our Toomsboro, Georgia plant currently represents approximately 42% of our total annual capacity at our existing ceramic proppant manufacturing facilities. Our Marshfield, Wisconsin plant represents 100% of our

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annual mined sand processing capacity. Any adverse developments at these plants, including a material disruption in production, an inability to supply the plant with raw materials at a competitive cost, or adverse developments due to catastrophic events, could have a material adverse effect on our financial condition and results of operations.

We provide environmental warranties on certain of our containment and spill prevention products.

Falcon Technologies’ tank liners, secondary containments and related products and services are designed to contain or avoid spills of hydrocarbons and other materials. If a release of these materials occurs, it could be harmful to the environment. Although we attempt to negotiate appropriate limitations of liability in the applicable terms of sale, some customers have required expanded warranties, indemnifications or other terms that could hold Falcon Technologies responsible in the event of a spill or release under particular circumstances. If Falcon Technologies is held responsible for a spill or release of materials from one of its customer’s facilities, it could have a material adverse effect on our results of operations and financial condition.

We rely upon intellectual property to protect our proprietary rights. Failure to protect our intellectual property rights may affect our competitive position, and protecting our rights or defending against third-party allegations of infringement may be costly.

The Company uses a significant amount of trade secrets, or “know-how,” and other proprietary information and technology in the conduct of its business. In some cases, we rely on trade secrets, trademarks or contractual restrictions to protect intellectual property rights that are not patented. The steps we take to protect the non-patented intellectual property may not be sufficient to protect it and any loss or diminishment of such intellectual property rights could negatively impact our competitive advantage. Additionally, our competitors could independently develop the same or similar technologies that are only protected by trade secret and thus do not prevent third parties from competing with us. Furthermore, even protected intellectual property rights can be infringed upon by third parties. Monitoring unauthorized use of Company intellectual property can be difficult and expensive, and adequate remedies may not be available.

Although the Company does not believe that it is infringing upon the intellectual property rights of others by using such proprietary information and technology, it is possible that such a claim might be asserted against the Company in the future. In the event any third party makes a claim against us for infringement of patents or other intellectual property rights of a third party, such claims, with or without merit, could be time-consuming and result in costly litigation. In addition, the Company could experience loss or cancellation of customer orders, experience product shipment delays, or be subject to significant liabilities to third parties. If our products or services were found to infringe on a third party’s proprietary rights, the Company could be required to enter into royalty or licensing agreements to continue selling its products or services. Royalty or licensing agreements, if required, may not be available on acceptable terms, if at all, which could seriously harm our business. Involvement in any patent dispute or other intellectual property dispute or action to protect trade secrets and expertise could have a material adverse effect on the Company’s business.

Significant increases in fuel prices for any extended periods of time will increase our operating expenses.

The price and supply of natural gas are unpredictable, and can fluctuate significantly based on international, political and economic circumstances, as well as other events outside of our control, such as changes in supply and demand due to weather conditions, actions by OPEC and other oil and gas producers, regional production patterns and environmental concerns. Natural gas is a significant component of our direct manufacturing costs and price escalations will likely increase our operating expenses and can have a negative impact on income from operations and cash flows. We operate in a competitive marketplace and may not be able to pass through all of the increased costs that could result from an increase in the cost of natural gas.

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Environmental compliance costs and liabilities could reduce our earnings and cash available for operations.

We are subject to increasingly stringent laws and regulations relating to environmental protection, including laws and regulations governing air emissions, water discharges and waste management. The technical requirements of complying with these environmental laws and regulations are becoming increasingly expensive and complex, and may affect the Company’s ability to expand its operations. Our ability to continue the expansion of our manufacturing capacity to meet market demand is contingent upon obtaining required environmental permits and compliance with their terms, which continue to be more restrictive and require longer lead times to obtain in anticipation of any efforts to expand and increase capacity. We incur, and expect to continue to incur, capital and operating costs to comply with environmental laws and regulations.

In addition, we use some hazardous substances and generate certain industrial wastes in our operations. Many of our current and former properties are or have been used for industrial purposes. Accordingly, we could become subject to potentially material liabilities relating to the investigation and cleanup of contaminated properties, and to claims alleging personal injury or property damage as the result of exposures to, or releases of, hazardous substances. These laws also may provide for “strict liability” for damages to natural resources or threats to public health and safety. Strict liability can render a party liable for environmental damage without regard to negligence or fault on the part of the party. Some environmental laws provide for joint and several strict liability for remediation of spills and releases of hazardous substances.

Stricter enforcement of existing laws and regulations, new laws and regulations, the discovery of previously unknown contamination or the imposition of new or increased requirements could restrict our expansion efforts, require us to incur costs, or become the basis of new or increased liabilities. Any of these events could reduce our earnings and our cash available for operations.

Our international operations subject us to risks inherent in doing business on an international level that could adversely impact our results of operations.

International revenues accounted for approximately 24%, 21% and 23% of our total revenues in 2014, 2013 and 2012, respectively. We may not succeed in overcoming the risks that relate to or arise from operating in international markets. Risks inherent in doing business on an international level include, among others, the following:

• economic and political instability (including as a result of the threat or occurrence of armed international conflict or terrorist attacks);

• changes in regulatory requirements, tariffs, customs, duties and other trade barriers;

• transportation delays and costs;

• power supply shortages and shutdowns;

• difficulties in staffing and managing foreign operations and other labor problems;

• currency rate fluctuations, convertibility and repatriation;

• taxation of our earnings and the earnings of our personnel;

• potential expropriation of assets by foreign governments; and

• other risks relating to the administration of or changes in, or new interpretations of, the laws, regulations and policies of the jurisdictions in which we conduct our business.

In particular, we are subject to risks associated with our production facilities in Luoyang, China, and Kopeysk, Russia. For example, during 2014, we recognized an impairment in the value of our production facility in China. The legal systems in both China and Russia are still developing and are subject to change. Accordingly, our operations and orders for products in both countries could be adversely impacted by changes to or interpretation of each country’s law. Moreover, during 2014, some parts of our Russian operations were impacted

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by the imposition of trade sanctions enacted by the U.S. government in response to the ongoing conflict in The Ukraine. Further, if manufacturing in either region is disrupted, our overall capacity could be significantly reduced and sales and/or profitability could be negatively impacted.

Undetected defects in our fracture simulation software could adversely affect our business.

Despite extensive testing, our software could contain defects, bugs or performance problems. If any of these problems are not detected, the Company could be required to incur extensive development costs or costs related to product recalls or replacements. The existence of any defects, errors or failures in our software products may subject us to liability for damages, delay the development or release of new products and adversely affect market acceptance or perception of our software products or related services, any one of which could materially and adversely affect the Company’s business, results of operations and financial condition.

The market price of our common stock will fluctuate, and could fluctuate significantly.

The market price of the Company’s common stock will fluctuate, and could fluctuate significantly, in response to various factors and events, including the following:

• the liquidity of the market for our common stock;

• seasonal or quarterly sales fluctuations;

• differences between our actual financial or operating results and those expected by investors and analysts;

• changes in analysts’ recommendations or projections;

• new statutes or regulations or changes in interpretations of existing statutes and regulations affecting our business;

• changes in general economic or market conditions; and

• broad market fluctuations.

Our actual results could differ materially from results anticipated in forward-looking statements we make.

Some of the statements included or incorporated by reference in this Form 10-K are forward-looking statements. These forward-looking statements include statements relating to trends in the natural gas and oil industries, the demand for ceramic proppant and our performance in the “Management’s Discussion and Analysis of Financial Condition and Results of Operations” and “Business” sections of this Form 10-K. In addition, we have made and may continue to make forward-looking statements in other filings with the SEC, and in written material, press releases and oral statements issued by us or on our behalf. Forward-looking statements include statements regarding the intent, belief or current expectations of the Company or its officers. Our actual results could differ materially from those anticipated in these forward-looking statements. See “Business–Forward-Looking Information.”

Item 1B. Unresolved Staff Comments

Not applicable.

Item 2. Properties

The Company maintains its corporate headquarters in leased office space in Houston, Texas and also leases space for its technology center in Houston. The Company owns its manufacturing facilities, land and substantially all of the related production equipment in New Iberia, Louisiana, Eufaula, Alabama, and Kopeysk, Russia and leases its McIntyre, Toomsboro, and Millen, Georgia, facilities. The Company owns the buildings and

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production equipment at its facility in Luoyang, China, and has been granted use of the land on which the facility is located through 2051 under the terms of a land use agreement with the People’s Republic of China.

The facilities in McIntyre and Toomsboro, Georgia, include real property, plant and equipment that are leased by the Company from the Development Authority of Wilkinson County. The original lease was executed in 1997 and was last amended in 2008. The term of the current lease, which covers both locations, terminates on November 1, 2017, subject to the Company’s ability to renew the lease through November 2022. Under the terms of the lease, the Company is responsible for all costs incurred in connection with the premises, including costs of construction of the plant and equipment. At the termination of the lease, title to all of the real property, plant and equipment is to be conveyed to the Company in exchange for nominal consideration. The Company has the right to purchase the property, plant and equipment at any time during the term of the lease for a nominal price.

In November 2012, the Company entered into a lease for the land and improvements associated with the construction of a plant in Millen, Georgia. The lease term continues until the tenth anniversary of the completion of the last phase of the facility. Similar to lease terms of the two other Georgia facilities, the Millen lease requires the Company to be responsible for all costs (including construction costs) incurred in connection with the premises. Moreover, title to the real property, plant and equipment of the facility is to be conveyed to the Company at the end of the lease term for nominal consideration, and may be purchased by the Company at any time for a nominal price. The Company completed construction and commenced operations of the first 250 million pound ceramic production line in Millen during 2014. In addition, the Company began the construction on a second 250 million pound production line in Millen. However, due to current market conditions, the construction and completion of this second line has been temporarily suspended.

The Marshfield, Wisconsin sand processing plant, which became operational during 2012, is located on land owned by the Company. The Company made a decision that it will not move forward with construction of a resin coating plant in Marshfield, Wisconsin for which the Company had previously developed engineering plans and procured certain equipment that had long-lead delivery times.

The Company owns or otherwise utilizes distribution facilities in multiple locations around the world. See “Item 1. Business – Distribution.”

The Company owns approximately 4,235 acres of land and leasehold interests near its plants in Georgia and Alabama. The land contains raw material for use in the production of the Company’s lightweight ceramic proppants. The Company also holds approximately 490 acres of land and leasehold interests in Wisconsin near its resin-coating facility under construction in Marshfield, Wisconsin.

Falcon Technologies owns its service facility located in Decatur, Texas, and leases other regional service facilities within the United States.

Item 3. Legal Proceedings

From time to time, the Company is the subject of legal proceedings arising in the ordinary course of business. The Company does not believe that any of these proceedings will have a material adverse effect on its business or its results of operations.

Item 4. Mine Safety Disclosure

Several of our U.S. manufacturing facilities process mined minerals, and therefore are viewed as mine operations subject to regulation by the federal Mine Safety and Health Administration under the Federal Mine Safety and Health Act of 1977. 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 the recently proposed Item 106 of Regulation S-K (17 CFR 229.106) is included in Exhibit 95 to this annual report.

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PART II

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

Common Stock Market Prices, Dividends and Stock Repurchases

The Company’s common stock is traded on the New York Stock Exchange (ticker symbol CRR). The number of record and beneficial holders of the Company’s common stock as of February 1, 2015 was approximately 22,316.

The following table sets forth the high and low sales prices of the Company’s common stock on the New York Stock Exchange and dividends for the last two fiscal years:

	2014						2013
	Sales Price				Cash Dividends Declared (1)		Sales Price				Cash Dividends Declared (2)
Quarter Ended	High		Low				High		Low
March 31	$	137.99	$	105.78	$	0.60	$	97.53	$	75.03	$	0.54
June 30		154.12		131.23		—		92.74		65.64		—
September 30		150.22		59.23		0.66		104.95		65.63		0.60
December 31		57.16		34.10		—		126.00		97.68		—

(1) Represents quarters during which dividends were declared. The payment months for cash dividends were February 2014 ($0.30), May 2014 ($0.30), August 2014 ($0.33) and November 2014 ($0.33).

(2) Represents quarters during which dividends were declared. The payment months for cash dividends were February 2013 ($0.27), May 2013 ($0.27), August 2013 ($0.30) and November 2013 ($0.30).

The Company currently expects to continue its policy of paying quarterly cash dividends, although there can be no assurance as to future dividends because they depend on future earnings, capital requirements and financial condition.

On August 28, 2008, the Company’s Board of Directors authorized the repurchase of up to two million shares of the Company’s common stock. Shares are effectively retired at the time of purchase. The Company completed the repurchase of all of the shares authorized by this plan by the end of the third quarter of 2014.

On January 28, 2015, the Company’s Board of Directors authorized the repurchase of up to an additional two million shares of the Company’s common stock. Shares are effectively retired at the time of purchase. As of February 17, 2015, the Company had not yet repurchased any shares under the plan.

The following table provides information about the Company’s repurchases of common stock during the quarter ended December 31, 2014, all of which represent shares surrendered to the Company for tax withholding obligations upon the vesting of restricted stock:

ISSUER PURCHASES OF EQUITY SECURITIES

Period	Total Number of Shares Purchased			Average Price Paid per Share		Total Number of Shares Purchased as Part of Publicly Announced Plan (1)		Maximum Number of Shares that May Yet be Purchased Under the Plan (2)
10/01/14 to 10/31/14		1,445	(3)	$	57.11		—		0
11/01/14 to 11/30/14		91	(3)	$	49.70		—		0
12/01/14 to 12/31/14		—		$	—		—		0
Total		1,536	(3)				—

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(1) On August 28, 2008, the Company announced the authorization by its Board of Directors for the repurchase of up to two million shares of its Common Stock.

(2) Represents the maximum number of shares that may be repurchased under the 2008 plan as of period end. As of February 17, 2015, a maximum of 2,000,000 shares may be repurchased under the 2015 plan.

(3) Represents shares of stock withheld for the payment of withholding taxes upon the vesting of restricted stock.

Stock Performance Graph

The graph below compares the cumulative shareholder return on the Company’s common stock with the cumulative returns of the the S&P 500 index, the S&P Midcap 400 index, the S&P SmallCap 600 – Oil & Gas Equipment & Services index, and the S&P MidCap 400 – Oil & Gas Equipment & Services index. As of February 10, 2015, the Company has moved from being listed on the S&P MidCap 400 – Oil & Gas Equipment & Services Index to the S&P SmallCap 600 – Oil & Gas Equipment & Services Index. The graph tracks the performance of a $100 investment in the Company’s common stock and in each of the indexes (with the reinvestment of all dividends) from December 31, 2009 to December 31, 2014.

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Item 6. Selected Financial Data

The following selected financial data are derived from the audited consolidated financial statements of the Company. The data should be read in conjunction with Management’s Discussion and Analysis of Financial Condition and Results of Operations and the consolidated financial statements and notes thereto included elsewhere in this Form 10-K.

	Years ended December 31,
	2014		2013			2012			2011			2010
	($ in thousands, except per share data)
Statement of Income Data:
Revenues .	$	648,325	$	667,398		$	645,536		$	625,705		$	473,082
Cost of sales .		467,045		474,403			422,031			363,990			298,411
Gross profit		181,280		192,995			223,505			261,715			174,671
Selling, general, & administrative expenses		72,535		68,447			64,033			62,381			52,635
Other operating expenses (1)		15,890		(43	)		586			1,732			2,426
Operating profit		92,855		124,591			158,886			197,602			119,610
Other income (expense), net		16		610			(296	)		(152	)		(261	)
Income before income taxes		92,871		125,201			158,590			197,450			119,349
Income taxes		37,283		40,315			52,657			67,314			40,633
Net income	$	55,588	$	84,886		$	105,933		$	130,136		$	78,716
Earnings per share:
Basic	$	2.41	$	3.67		$	4.59		$	5.62		$	3.41
Diluted	$	2.41	$	3.67		$	4.59		$	5.62		$	3.40

	December 31,
	2014		2013		2012		2011		2010
	($ in thousands, except per share data)
Balance Sheet Data:
Current assets	$	337,611	$	371,382	$	349,917	$	302,565	$	237,655
Current liabilities		77,415		56,688		50,830		79,066		51,247
Property, plant and equipment, net		568,716		478,535		426,232		392,659		338,483
Total assets		934,226		878,951		808,878		740,865		599,571
Total shareholders’ equity		776,057		768,587		713,078		630,158		521,979
Cash dividends per share	$	1.26	$	1.14	$	1.02	$	0.88	$	0.76

(1) Other operating expenses include costs of start-up activities and gains/losses on disposal or impairment of assets.

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Item 7. Management’s Discussion and Analysis of Financial Condition and Results of Operations

Executive Level Overview

CARBO Ceramics Inc. is an oilfield service technology company that generates revenue primarily through the sale of products and services to the oil and gas industry for production enhancement and environmental services.

Our production enhancement businesses promote increased E&P Operators’ production and EUR by providing industry leading technology to Design, Build, and Optimize the Frac^TM. Our environmental services business is intended to protect E&P Operators’ assets, minimizes environmental risk, and lowers operating costs (LOE).

The Company’s principal business consists of manufacturing and selling proppant products for use primarily in the hydraulic fracturing of oil and natural gas wells. These proppant products include ceramic, resin-coated sand and raw sand. The Company, through its wholly-owned subsidiary StrataGen, Inc., also provides the industry’s most widely used hydraulic fracture simulation software under the brand FracPro^®, as well as hydraulic fracture design and consulting services under the brand StrataGen. Falcon Technologies, a wholly-owned subsidiary of the Company, uses proprietary technology to provide products that are designed to enable its clients to extend the life of their storage assets, reduce the potential for hydrocarbon spills and provide containment of stored materials.

The Company’s products and services help oil and gas producers increase production and recovery rates from their wells, thereby lowering overall finding and development (“F&D”) costs. As a result, the Company’s business is dependent to a large extent on the level of drilling and hydraulic fracturing activity in the oil and gas industry worldwide. Although the Company’s ceramic proppants are more expensive than alternative non-ceramic proppants, the Company has been able to demonstrate the cost-effectiveness of its products to numerous operators of oil and gas wells through increased technical marketing activity. The Company believes its future prospects benefit from both an increase in drilling and hydraulic fracturing activity worldwide and the desire of industry participants to improve production results and lower their overall development costs.

The Company believes international sales will continue to represent an important role in its business. International revenues represented 24%, 21% and 23% of total revenues in 2014, 2013 and 2012, respectively.

Management believes the addition of new manufacturing capacity is critical to the Company’s ability to continue its long-term growth in sales volume and revenue for ceramic proppant and resin-coated ceramic proppant. The Company completed construction and commenced operations on the first 250 million pound line in Millen, Georgia during 2014. The Company also began construction on a second 250 million pound line in Millen during 2014. However, due to current market conditions, the construction and completion of this second line has been temporarily suspended. Once the second line at the Millen, Georgia facility is completed, the Company’s ceramic manufacturing capacity will total 2.25 billion pounds per year. Although the Company has operated near or at full capacity at times during the previous ten years, the addition of significant new capacity, as well as the addition of resin-coating capacity, could adversely impact operating profit margins if the timing of this new capacity does not match increases in demand for the Company’s products. In addition, the ability to construct new capacity will be contingent upon the receipt of all needed environmental emission permits. See “Item 1 – Business” and “Item 1A – Risk Factors”.

Operating profit margin for the Company’s ceramic proppant business is principally impacted by sales volume, product mix, sales price, distribution costs, manufacturing costs, including natural gas, and the Company’s production levels as a percentage of its capacity. The level of selling, general and administrative spending, as well as other operating expenses, can also impact operating profit margins. In 2013 and 2014, operating profit margin was also impacted by spending to bring the Company’s new KRYPTOSPHERE^TM proppant technology to a commercial state. And, in 2014, the Company recognized asset impairment charges related to certain long-lived assets.

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Although most direct manufacturing expenses have been relatively stable or predictable over time, the Company has experienced volatility in the cost of natural gas, which is used in production by the Company’s domestic manufacturing facilities. The cost of natural gas has been a significant component of total monthly domestic direct production expense. In recent years, the price of natural gas has been low compared to historical prices, as well as fairly stable from period to period. However, in an effort to mitigate volatility in the cost of natural gas purchases and reduce exposure to short term spikes in the price of this commodity, the Company contracts in advance for portions of its future natural gas requirements. Despite the efforts to reduce exposure to changes in natural gas prices, it is possible that, given the significant portion of manufacturing costs represented by this item, gross margins as a percentage of sales may decline and changes in net income may not directly correlate to changes in revenue.

As a result of the decline in North American activity in natural gas basins experienced in 2012, the oil and natural gas industry experienced an increased amount of activity in infrastructure-limited, liquids-rich basins, which introduced supply chain challenges to the industry. These challenges resulted in higher supply chain costs for the Company. As a result, the Company has invested in strategic projects to enhance its distribution network in order to meet the present and future demands of its clients. The Company believes these investments should help address the quarterly fluctuations in industry activity and the increased amount of proppant being used per well. These enhancements are important as the tight supply of available trucks in certain areas can create additional challenges with transporting proppants to the well site throughout the industry.

In 2012, the Company expanded its resin coating operations and also began processing raw sand for use in resin coating operations. In 2013, the Company began selling raw frac sand. Resin coated sand and raw frac sand products sell at much lower prices and with lower gross profit margins than the Company’s ceramic proppant. While gross profit is generally not meaningfully impacted by the sale of these products, given the current sales volumes, the Company’s overall gross profit margin as a percent of revenues can be affected as can the overall average selling price of all proppants sold.

During the second half of 2013, the Company introduced KRYPTOSPHERE^TM HD, a new ultra-high conductivity, ultra-high strength proppant. Product testing and qualifications with the Company’s clients is ongoing, and the first KRYPTOSPHERE HD sale was made during the fourth quarter of 2014. The next phase of KRYPTOSPHERE^TM product development will be to apply this technology to the Company’s existing manufacturing footprint.

As the Company has expanded its operations in both domestic and international markets, there has been an increase in activities and expenses related to marketing, research and development, and finance and administration. As a result, selling, general and administrative expenses have increased in recent years. However, the Company intends to reduce its cost base to better match anticipated activity in 2015, including a reduction in SG&A costs from 2014 levels.

General Business Conditions

The Company’s proppant business is impacted by the number of natural gas and oil wells drilled in North America, and the need to hydraulically fracture these wells. In markets outside North America, sales of the Company’s products are also influenced by the overall level of drilling and hydraulic fracturing activity. Furthermore, because the decision to use ceramic proppant is based on comparing the higher initial costs to the future value derived from increased production and recovery rates, the Company’s business is influenced by the current and expected prices of natural gas and oil.

During 2012, the Company experienced lower pricing for its proppant products due to market conditions resulting from a decline in North American activity in the natural gas industry caused by a drop in natural gas prices and an over-supply of imported ceramic proppant. The lingering effects of the conditions driving these pricing pressures have continued into 2014.

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Late in 2014, a severe decline in oil prices led some customers to reduce drilling activities and capital spending. These low oil prices are expected to continue for the foreseeable future and will likely negatively impact both pricing and demand for ceramic proppants. Entering 2015, the Company has significantly lowered production output levels in order to match this lower level of demand.

Furthermore, conditions in the North American oil and natural gas market also negatively impacted the proppant market inside China. Proppant manufacturers in China experienced excess production capacity as a result of market conditions in North America. As a result, during the fourth quarter of 2014, the Company evaluated its China operation, concluded that its long-term assets inside China were not fully recoverable, and recorded an impairment charge of $10.2 million. The Company also reduced the value of certain of its finished goods and raw materials in China down to lower market prices. The Company expects to idle its plant in China during the first quarter of 2015.

Critical Accounting Policies

The Company’s Consolidated Financial Statements are prepared in accordance with accounting principles generally accepted in the U.S., which require the Company to make estimates and assumptions (see Note 1 to the Consolidated Financial Statements). The Company believes that, of its significant accounting policies, the following may involve a higher degree of judgment and complexity.

Revenue is recognized when title passes to the customer (generally upon delivery of products) or at the time services are performed. The Company generates a significant portion of its revenues and corresponding accounts receivable from sales to the petroleum pressure pumping industry. In addition, the Company generates a significant portion of its revenues and corresponding accounts receivable from sales to two major customers, both of which are in the petroleum pressure pumping industry. As of December 31, 2014, approximately 40% of the balance in trade accounts receivable was attributable to those two customers. The Company records an allowance for doubtful accounts based on its assessment of collectability risk and periodically evaluates the allowance based on a review of trade accounts receivable. Trade accounts receivable are periodically reviewed for collectability based on customers’ past credit history and current financial condition, and the allowance is adjusted, if necessary. If a prolonged economic downturn in the petroleum pressure pumping industry were to occur or, for some other reason, any of the Company’s primary customers were to experience significant adverse conditions, the Company’s estimates of the recoverability of accounts receivable could be reduced by a material amount and the allowance for doubtful accounts could be increased by a material amount. At December 31, 2014, the allowance for doubtful accounts totaled $1.8 million.

The Company values inventory using the weighted average cost method. Assessing the ultimate realization of inventories requires judgments about future demand and market conditions. The Company regularly reviews inventories to determine if the carrying value of the inventory exceeds market value and the Company records an adjustment to reduce the carrying value to market value, as necessary. Future changes in demand and market conditions could cause the Company to be exposed to additional obsolescence or slow moving inventory. If actual market conditions are less favorable than those projected by management, lower of cost or market adjustments may be required.

Income taxes are provided for in accordance with ASC Topic 740, “Income Taxes”. This standard takes into account the differences between financial statement treatment and tax treatment of certain transactions. Deferred tax assets and liabilities are recognized for the future tax consequences attributable to differences between the financial statement carrying amounts of existing assets and liabilities and their respective tax bases. Deferred tax assets and liabilities are measured 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 of a change in tax rates is recognized as income or expense in the period that includes the enactment date. This calculation requires the Company to make certain estimates about its future operations. Changes in state, federal and foreign tax laws, as well as changes in the Company’s financial condition, could affect these estimates.

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Long-lived assets, which include net property, plant and equipment, goodwill, intangibles and other long-term assets, comprise a significant amount of the Company’s total assets. The Company makes judgments and estimates in conjunction with the carrying values of these assets, including amounts to be capitalized, depreciation and amortization methods and useful lives. Additionally, the carrying values of these assets are periodically reviewed for impairment or whenever events or changes in circumstances indicate that the carrying amounts may not be recoverable. An impairment loss is recorded in the period in which it is determined that the carrying amount is not recoverable. This requires the Company to make long-term forecasts of its future revenues and costs related to the assets subject to review. These forecasts require assumptions about demand for the Company’s products and services, future market conditions and technological developments. Significant and unanticipated changes to these assumptions could require a provision for impairment in a future period.

Results of Operations

Net Income

($ in thousands)	2014		Percent Change			2013		Percent Change			2012
Net Income	$	55,588		(35	)%	$	84,886		(20	)%	$	105,933

For the year ended December 31, 2014, the Company reported net income of $55.6 million, a decrease of 35% compared to the $84.9 million reported in the previous year. Operations in 2014 continued to be impacted by the shift in drilling activity away from natural gas basins due to the severe decline in natural gas prices in late 2011. In late 2014, the industry experienced a severe decline in oil prices, which has caused drilling activity to be further reduced. In addition, operations were impacted by a growing number of E&P operators experimenting with the use of raw frac sand and delays in some well completions during the third and fourth quarters of 2014. While the Company achieved record sales volume of nearly 2.9 billion pounds, net income in 2014 decreased primarily as a result of lower ceramic proppant sales volumes, a $15.1 million impairment of long-lived assets, $5.4 million lower of cost or market adjustments to reduce China finished goods and raw materials carrying values to their lower market prices and higher SG&A expenses. Income tax expense in 2014 decreased primarily due to lower pretax income but was negatively impacted by valuation allowances recorded against certain deferred tax assets.

For the year ended December 31, 2013, the Company reported net income of $84.9 million, a decrease of 20% compared to the $105.9 million reported in the previous year. Operations in 2013 continued to be impacted by the shift in drilling activity away from natural gas basins due to the severe decline in natural gas prices in late 2011. While the Company achieved record sales volume of nearly 2.1 billion pounds, net income in 2013 decreased primarily as a result of a decrease in the average proppant selling price, spending to bring the Company’s new KRYPTOSPHERE^TM proppant technology to a commercial state and higher selling, general and administrative costs. Income tax expense in 2013 decreased primarily due to lower pretax income.

Individual components of financial results are discussed below.

Revenues

($ in thousands)	2014		Percent Change			2013		Percent Change			2012
Consolidated revenues	$	648,325		(3	)%	$	667,398		3	%	$	645,536

Revenues of $648.3 million for the year ended December 31, 2014 decreased 3% compared to $667.4 million in 2013. Revenues decreased primarily due to a 6% decrease in ceramic proppant sales volume, a 33% decrease in resin-coated sand sales volumes, and a decrease in Falcon revenues. These decreases were partially offset by an increase in Northern White Sand sales volumes.

Revenues of $667.4 million for the year ended December 31, 2013 increased 3% compared to $645.5 million in 2012. Revenues increased primarily due to a 20% increase in proppant sales volume, partially offset by

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a 13% decrease in the average proppant selling price in response to market conditions during mid-2012 and higher volumes of sand-based products, which have a lower average selling price than ceramic proppants.

Worldwide proppant sales volumes were as follows.

Proppant Sales Volumes	For the years ended December 31,
(in million pounds)	2014		2013		2012
Ceramic		1,618		1,718		1,649
Resin Coated Sand		162		241		57
Northern White Sand		1,131		101		6
Total		2,911		2,060		1,712

North American (defined as Canada and the U.S.) proppant sales volume increased 46% in 2014 compared to 2013 on higher sales of Northern White Sand. North American ceramic proppant sales volume decreased 10% in 2014 compared to 2013, partly as a result of some customers experimenting with more sand proppant and delays in some well completions during the third and fourth quarters of 2014, partly due to falling oil prices. International (excluding Canada) proppant sales volume increased 6% in 2014 compared to 2013 primarily due to increases in Mexico, partially offset by a decrease in China.

North American (defined as Canada and the U.S.) sales volume increased 29% in 2013 compared to 2012 due to continued success of the Company’s products in oily, liquids-rich basins and despite a decrease in the North America rig count. International (excluding Canada) sales volume decreased 17% in 2013 compared to 2012 primarily due to decreases in China, Mexico, and Africa, partially offset by an increase in Europe.

Average selling prices per pound for proppants sold during 2014 were as follows: Ceramic $0.33; Resin Coated Sand $0.22; and Northern White Sand $0.03. Primarily due to the change in product mix, the average selling price per pound of all proppant was $0.21 during 2014 compared to $0.30 during 2013 and $0.34 in 2012. In addition to product mix, average selling prices can be impacted by sales prices, geographic areas of sale, customer requirements and delivery methods.

Gross Profit

($ in thousands)	2014			Percent Change			2013			Percent Change			2012
Consolidated gross profit	$	181,280			(6	)%	$	192,995			(14	)%	$	223,505
As a % of revenues		28	%					29	%					35	%

The Company’s cost of sales related to proppant manufacturing consists of manufacturing costs, packaging and transportation expenses associated with the delivery of the Company’s products to its customers and handling costs related to maintaining finished goods inventory and operating the Company’s remote stocking facilities. Variable manufacturing costs include raw materials, labor, utilities and repair and maintenance supplies. Fixed manufacturing costs include depreciation, property taxes on production facilities, insurance and factory overhead.

Gross profit for the year ended December 31, 2014 was $181.3 million, or 28% of revenues, compared to $193.0 million, or 29% of revenues, for 2013. The decrease in gross profit was primarily the result of lower ceramic proppant sales volumes and a decrease in Falcon gross profit, partially offset by a favorable change in ceramic sales mix to higher margin lightweight ceramic proppants and improved margins on sand proppants. In addition, due to increasing competition in the China proppant market, the Company recorded $5.4 million lower of cost or market adjustments in 2014 to reduce finished goods and raw materials carrying values to their lower market prices.

Gross profit for the year ended December 31, 2013 was $193.0 million, or 29% of revenues, compared to $223.5 million, or 35% of revenues, for 2012. The decrease in gross profit was primarily the result of a decrease

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in average selling price and spending to bring the Company’s new proppant technology to a commercial state, partially offset by higher proppant sales volumes. The gross profit margin as a percentage of revenues also declined due to the change in the product sales mix resulting from volume gains of the Company’s lower-priced and lower-margin sand-based products. The increase in sales volumes for Northern White Sand did not materially impact gross profit.

Selling, General & Administrative (SG&A) and Other Operating Expenses

($ in thousands)	2014			Percent Change			2013			Percent Change			2012
Consolidated SG&A and other	$	88,425			29	%	$	68,404			6	%	$	64,619
As a % of revenues		14	%					10	%					10	%

Operating expenses consisted of $72.5 million of SG&A expenses and $15.9 million of other operating expenses for the year ended December 31, 2014 compared to $68.4 million of SG&A expenses and $43.0 thousand of other operating income for 2013. The increase in SG&A expenses primarily resulted from higher research and development spending, higher compensation costs, and increased marketing spending. Other operating expenses in 2014 consisted primarily of $15.1 million of impairment charges associated with certain long-lived assets at the Company’s manufacturing facility in China, as a result of deteriorating market conditions inside China, and its resin coating business, as a result of the Company’s decision that it will not move forward with construction of a resin coating plant in Marshfield, Wisconsin for which the Company had previously developed engineering plans and procured certain equipment that had long-lead delivery times. The resin coating assets were classified as available for sale. Other operating expenses also included $0.8 million of start-up costs related to the start-up of the new manufacturing facility in Millen, Georgia. Other operating expenses in 2013 consisted of asset disposals. As a percentage of revenues, SG&A and other operating expenses for 2014 increased to 14% in 2014 compared to 10% in 2013, primarily due to the impairment of assets.

Operating expenses consisted of $68.4 million of SG&A expenses and $43.0 thousand of other operating income for the year ended December 31, 2013 compared to $64.0 million of SG&A expenses and $0.6 million of other operating expenses for 2012. The increase in SG&A expenses primarily resulted from higher marketing and research and development spending. Other operating expenses in 2013 decreased $0.5 million compared to 2012 due primarily to a loss on disposal of assets in 2012 related to the wind down of the geotechnical monitoring business. As a percentage of revenues, SG&A and other operating expenses for 2013 remained consistent to 2012.

Income Tax Expense

($ in thousands)	2014			Percent Change			2013			Percent Change			2012
Income Tax Expense	$	37,283			(8	)%	$	40,315			(23	)%	$	52,657
Effective Income Tax Rate		40.1	%					32.2	%					33.2	%

Consolidated income tax expense was $37.3 million, or 40.1% of pretax income, for the year ended December 31, 2014 compared to $40.3 million, or 32.2% of pretax income for 2012. The $3.0 million decrease is primarily due to lower pre-tax income partially offset by a higher effective tax rate. The higher effective tax rate is primarily associated with the Company recording a valuation allowance on foreign deferred tax assets for which recoverability was not certain.

Consolidated income tax expense was $40.3 million, or 32.2% of pretax income, for the year ended December 31, 2013 compared to $52.7 million, or 33.2% of pretax income for 2012. The $12.3 million decrease is due to lower pre-tax income and a lower effective tax rate primarily associated with additional R&D tax credits and the final preparation and filing of the Company’s prior year income tax returns.

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Outlook

Given the cyclical nature of the industry, the Company believes that market conditions will continue to fluctuate, driven by several factors, including oil and natural gas commodity prices and quarterly seasonality trends. The 2014 ceramic proppant market was impacted by two main factors. First, a number of exploration and production (E&P) operators experimented with increased use of raw frac sand in place of ceramic proppant. Second, with an oversupplied ceramic proppant market, cheaper Chinese products of inferior quality remained a market force. These events drove both domestic and international competitors to reduce prices. As a result of these market conditions, our ceramic proppant sales volumes and revenues declined from the previous year. These conditions are expected to continue during 2015.

Industry activity late in 2014 was also influenced by the significantly depressed commodity price for oil. Entering 2015, E&P budget cuts have been significant. The duration and associated impact of a lower commodity price environment is difficult to determine. Managing through this environment will continue to be challenging.

Historically, depressed commodity prices such as those found in today’s environment drive a focused effort to reduce cost, often at the sacrifice of production. While that driver may be out of the Company’s control, the Company will continue to work closely with its clients to deliver technologies that increase net present value of their wells, and achieve the goal of reducing costs while optimizing production results. To that end, the Company has presented production-neutral frac designs to a number of clients. These frac designs substitute large amounts of sand volumes with smaller ceramic proppant volumes. Total oil and gas production from both completions are modeled to be the same, yet overall total completion costs are lower in the case of the ceramic proppant well. The Company believes this is an advantage for the E&P operator as it addresses their immediate concern of reducing costs while making the best wells possible.

The duration of this cycle is unknown today, and rig activity is declining rapidly. This introduces a lack of visibility into the Company’s operations. The Company has seen a shift in E&P behavior resulting in lower demand for ceramic proppant. As a result, the company expects to see continued pricing pressure for ceramic proppant.

The Company currently anticipates that its capital expenditures in 2015 will be reduced to less than half of 2014 capital expenditures and will primarily focus on the retrofit of one of its plants with the new KRYPTOSPHERE proppant technology. As part of its capital expenditure reduction plan, the Company has deferred the completion of the second ceramic proppant manufacturing line at its Millen, Georgia facility.

The Company is reducing its cost base to better match anticipated activity in 2015.

The amount of activity in infrastructure-limited, liquids-rich basins introduced supply chain challenges to the industry and resulted in higher distribution costs during 2012 and the first part of 2013. The Company has continued addressing distribution costs with a number of initiatives. One initiative is rationalizing the Company’s rail fleet to reduce reliance on the fleet as a form of storage. Other initiatives include increasing storage capacity at new and existing stocking locations and reducing transportation costs.

Commercialization of KRYPTOSPHERE^TM HD, the Company’s new ultra-high conductivity, ultra-high strength proppant technology, is progressing well. During the fourth quarter of 2014, KRYPTOSPHERE HD was successfully pumped in its first deep-water Gulf of Mexico well. The technology was employed in a completion by a multinational E&P company. The next phase in the Company’s KRYPTOSPHERE^TM product development will be to apply this technology to the Company’s existing manufacturing footprint. The retrofit of an existing plant with this technology is underway. Once the retrofit is complete, KRYPTOSPHERE^TM will expand the Company’s technology position in the industry and further assist in increasing the production and EUR of its clients’ oil and natural gas wells.

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During 2014, sales for new products across the Company’s proppant-delivered technology platforms grew. For example, in the United States and Canada, SCALEGUARD was pumped in numerous wells for multiple operators. This scale-inhibiting technology, which is released into the fracture only on contact with water, is on track to meet or exceed projected treatment life thereby reducing or eliminating expensive remedial maintenance programs.

Liquidity and Capital Resources

At December 31, 2014, the Company had cash and cash equivalents of $24.3 million compared to cash and cash equivalents of $94.3 million at December 31, 2013. During 2014, the Company generated $105.8 million of cash from operating activities, $25.0 million from bank borrowings, and retained $0.4 million from excess tax benefits relating to stock based compensation. Uses of cash included $161.5 million for capital expenditures, $29.1 million for the payment of cash dividends, $7.0 million for repurchases of the Company’s common stock, and $3.5 million for the effect of exchange rate changes on cash. Major capital spending in 2014 included engineering, procurement and construction activities related to the first two production lines at the new manufacturing facility in Millen, Georgia, retrofitting an existing plant with the new KRYPTOSPHERE proppant technology, expansion of the Company’s distribution infrastructure, as well as upgrades and improvements at existing manufacturing facilities.

Subject to its financial condition, the amount of funds generated from operations and the level of capital expenditures, the Company’s current intention is to continue to pay quarterly dividends to holders of its common stock. On January 20, 2015, the Company’s Board of Directors approved the payment of a quarterly cash dividend of $0.33 per share to shareholders of the Company’s common stock on February 2, 2015. The dividend was paid on February 16, 2015. The Company estimates its total capital expenditures in 2015 will be between $30.0 million and $50.0 million, which primarily include costs associated with retrofitting an existing plant with the new KRYPTOSPHERE proppant technology. Due to current market conditions, the completion of the second line at the manufacturing facility in the Millen, Georgia area has been temporarily suspended.

The Company maintains an unsecured line of credit with a bank. On October 31, 2014, this line of credit was increased from $50.0 million to $100.0 million, and the expiration date of the facility was extended to October 31, 2019. As of December 31, 2014, the Company’s outstanding debt under the credit agreement was $25.0 million. As of February 26, 2015, the Company’s outstanding debt under the agreement was $35.0 million. The Company anticipates that cash on hand, cash provided by operating activities and funds provided by its line of credit will be sufficient to meet planned operating expenses, tax obligations, capital expenditures and other cash needs for the next 12 months. While the Company plans to make draws under its credit facility during 2015 for liquidity needs, the use of this line of credit is subject to compliance with the financial covenants in the underlying credit agreement, which depends on our future operating performance and cash flow. These factors are in turn subject to prevailing oil and gas prices, economic conditions and other factors, many of which are beyond our control. The Company also believes that it could acquire additional debt or equity financing, if needed.

Off-Balance Sheet Arrangements

The Company had no off-balance sheet arrangements as of December 31, 2014.

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Contractual Obligations

The following table summarizes the Company’s contractual obligations as of December 31, 2014:

	Payments due in period
($ in thousands)	Total		Less than 1 year		1 - 3 years		3 - 5 years		More than 5 years
Long-term debt obligations	$	—	$	—	$	—	$	—	$	—
Capital lease obligations		—		—		—		—		—
Operating lease obligations:
– Primarily railroad equipment (net of subleases)		140,565		17,682		39,080		29,937		53,866
Purchase obligations:
– Natural gas contracts		68,657		25,119		33,615		9,923		—
– Raw materials contracts		—		—		—		—		—
Other long-term obligations		—		—		—		—		—
Total contractual obligations	$	209,222	$	42,801	$	72,695	$	39,860	$	53,866

See Note 4 and Note 13 to the Notes to the Consolidated Financial Statements.

Operating lease obligations relate primarily to railroad equipment leases and include leases of other property, plant and equipment.

The Company uses natural gas to power its domestic manufacturing plants. From time to time, the Company enters into contracts to purchase a portion of the anticipated natural gas requirements at specified prices. As of December 31, 2014, the last such contract was due to expire in December 2018.

The Company has entered into contracts to supply raw materials, primarily kaolin, bauxite and hydro sized sand, to each of its manufacturing plants. Each of the contracts is described in Note 13 to the Notes to the Consolidated Financial Statements. Three outstanding contracts do not require the Company to purchase minimum annual quantities, but do require the purchase of minimum annual percentages, ranging from 50% to 80% of the respective plants’ requirements for the specified raw materials. One outstanding contract, which required the Company to purchase a minimum annual quantity of material, has no further minimum requirements.

Item 7A. Quantitative and Qualitative Disclosures about Market Risk

The Company’s major market risk exposure is to foreign currency fluctuations that could impact its investments in China and Russia. As of December 31, 2014, the Company’s net investment that is subject to foreign currency fluctuations totaled $45.8 million, and the Company has recorded a cumulative foreign currency translation loss of $23.0 million. This cumulative translation loss is included in Accumulated Other Comprehensive Loss. From time to time, the Company may enter into forward foreign exchange contracts to hedge the impact of foreign currency fluctuations. There were no such foreign exchange contracts outstanding at December 31, 2014. During 2014, the value of the Russian Ruble significantly declined relative to the U.S. dollar for which the financial impact on the Company’s net assets in Russia is included in Other Comprehensive Income and the cumulative foreign currency translation loss noted above. No income tax benefits have been recorded on these losses as a result of the uncertainty about recoverability of the related deferred income tax benefits.

The Company has a $100.0 million revolving credit agreement with a bank. Under the terms of the agreement, the Company has the option of choosing either the bank’s fluctuating Base Rate or LIBOR Fixed

Rate, plus an Applicable Margin, all as defined in the credit agreement. The Company’s outstanding debt under the credit agreement was $25.0 million at December 31, 2014. The Company does not believe that it has any material exposure to market risk associated with interest rates.

29

The Company is subject to the risk of market price fluctuations of certain commodities, such as natural gas, and utilizes forward purchase contracts to manage or reduce market risks relating to these costs. The Company does not enter into these transactions for speculative or trading purposes. The Company expects to take delivery of the underlying natural gas and, as such, does not currently believe the market risk exposure on these instruments to be material. As of December 31, 2014, $68.7 million of natural gas forward contracts were outstanding for delivery of gas through 2018.

Item 8. Financial Statements and Supplementary Data

The information required by this Item is contained in pages F-3 through F-23 of this Report.

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

Not applicable.

Item 9A. Controls and Procedures

(a) Evaluation of Disclosure Controls and Procedures

Disclosure controls and procedures are designed to ensure that information required to be disclosed in the reports filed or submitted under the Securities Exchange Act of 1934 (the “Exchange Act”) is recorded, processed, summarized and reported, within the time periods specified in the SEC’s rules and forms. Disclosure controls and procedures include, without limitation, controls and procedures designed to ensure that information required to be disclosed in the reports filed under the Exchange Act is accumulated and communicated to management, including the Chief Executive Officer and Chief Financial Officer, as appropriate to allow timely decisions regarding required disclosure.

As of December 31, 2014, management carried out an evaluation, under the supervision and with the participation of the Chief Executive Officer and Chief Financial Officer, of the effectiveness of the design and operation of the Company’s disclosure controls and procedures. There are inherent limitations to the effectiveness of any system of disclosure controls and procedures. Accordingly, even effective disclosure controls and procedures can only provide reasonable assurances of achieving their control objectives. Based upon and as of the date of that evaluation, the Chief Executive Officer and Chief Financial Officer have concluded that the Company’s disclosure controls and procedures were effective to ensure that information required to be disclosed by the Company in the reports it files or submits under the Exchange Act is recorded, processed, summarized and reported, within the time periods specified in the SEC’s rules and forms, and to ensure that information required to be disclosed by the Company in the reports that it files or submits under the Exchange Act is accumulated and communicated to the Company’s management, including its Chief Executive Officer and Chief Financial Officer, as appropriate to allow timely decisions regarding required disclosure.

(b) Management’s Report on Internal Control Over Financial Reporting

For Management’s Report on Internal Control Over Financial Reporting, see page F-1 of this Report.

(c) Report of Independent Registered Public Accounting Firm

For the Report of Independent Registered Public Accounting Firm on the Company’s internal control over financial reporting, see page F-2 of this Report.

(d) Changes in Internal Control over Financial Reporting

There were no changes in the Company’s internal control over financial reporting during the quarter ended December 31, 2014, that materially affected, or are reasonably likely to materially affect, those controls.

Item 9B. Other Information

Not applicable.

30

PART III

Certain information required by Part III is omitted from this Report. The Company will file a definitive proxy statement pursuant to Regulation 14A (the “Proxy Statement”) not later than 120 days after the end of the fiscal year covered by this Report and certain information included therein is incorporated herein by reference. Only those sections of the Proxy Statement that specifically address the items set forth herein are incorporated by reference. Such incorporation does not include the Compensation Committee Report included in the Proxy Statement.

Item 10. Directors, Executive Officers and Corporate Governance

Information concerning executive officers under Item 401 of Regulation S-K is set forth in Part I of this Form 10-K. The other information required by this Item is incorporated by reference to the portions of the Company’s Proxy Statement entitled “Security Ownership of Certain Beneficial Owners and Management,” “Election of Directors,” “Board of Directors, Committees of the Board of Directors and Meeting Attendance,” “Code of Business Conduct and Ethics,” “Section 16(a) Beneficial Ownership Reporting Compliance” and “Report of the Audit Committee.”

Item 11. Executive Compensation

The information required by this Item is incorporated by reference to the portions of the Company’s Proxy Statement entitled “Compensation of Executive Officers,” “Director Compensation” and “Potential Termination and Change in Control Payments.”

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

The information required by this Item is incorporated by reference from the Company’s Proxy Statement under the captions “Securities Ownership of Certain Beneficial Owners and Management” and “Equity Compensation Plan Information.”

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

The information required by this Item is incorporated by reference to the portion of the Company’s Proxy Statement entitled “Election of Directors.”

Item 14. Principal Accounting Fees and Services

The information required by this Item is incorporated by reference to the portion of the Company’s Proxy Statement entitled “Ratification of Appointment of the Company’s Independent Registered Public Accounting Firm.”

31

PART IV

Item 15. Exhibits, Financial Statement Schedules

(a) Exhibits, Financial Statements and Financial Statement Schedules:

1. Consolidated Financial Statements

The Consolidated Financial Statements of CARBO Ceramics Inc. listed below are contained in pages F-3 through F-23 of this Report:

2. Consolidated Financial Statement Schedules

All schedules have been omitted since they are either not required or not applicable.

3. Exhibits

The exhibits listed on the accompanying Exhibit Index are filed as part of, or incorporated by reference into, this Report.

32

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.

CARBO Ceramics Inc.

By:	/s/ Gary A Kolstad
	Gary A. Kolstad
	President and Chief Executive Officer
By:	/s/ Ernesto Bautista III
	Ernesto Bautista III
	Vice President and Chief Financial Officer

Dated: February 26, 2015

33

POWER OF ATTORNEY

KNOW ALL PERSONS BY THESE PRESENTS, that each person whose signature appears below constitutes and appoints Gary A. Kolstad and Ernesto Bautista III, jointly and severally, his attorneys-in-fact, each with the power of substitution, for him in any and all capacities, to sign any amendments to this Report on Form 10-K, and to file the same, with exhibits thereto and other documents in connection therewith, with the Securities and Exchange Commission, hereby ratifying and confirming all that each of said attorneys-in-fact, or his substitute or substitutes, may do or cause to be done by virtue hereof.

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.

Signature	Title	Date
/s/ William C. Morris             William C. Morris	Chairman of the Board	February 26, 2015
/s/ Gary A. Kolstad                Gary A. Kolstad	President, Chief Executive Officer and Director (Principal Executive Officer)	February 26, 2015
/s/ Ernesto Bautista III           Ernesto Bautista III	Vice President and Chief Financial Officer (Principal Financial and Accounting Officer)	February 26, 2015
/s/ Sigmund L. Cornelius       Sigmund L. Cornelius	Director	February 26, 2015
/s/ Chad C. Deaton                 Chad C. Deaton	Director	February 26, 2015
/s/ James B. Jennings             James B. Jennings	Director	February 26, 2015
/s/ H.E. Lentz, Jr.                   H.E. Lentz, Jr.	Director	February 26, 2015
/s/ Randy L. Limbacher         Randy L. Limbacher	Director	February 26, 2015
/s/ Robert S. Rubin                 Robert S. Rubin	Director	February 26, 2015

34

MANAGEMENT’S REPORT ON INTERNAL CONTROL OVER FINANCIAL REPORTING

Management is responsible for establishing and maintaining adequate internal control over financial reporting, as defined in Rules 13a-15(f) and 15d-15(f) under the Securities Exchange Act of 1934. The Company’s internal control over financial reporting is designed to provide reasonable assurance regarding the reliability of financial reporting and the preparation of financial statements for external reporting purposes in accordance with generally accepted accounting principles.

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.

Management, including our Chief Executive Officer and our Chief Financial Officer, assessed the effectiveness of the Company’s internal control over financial reporting as of December 31, 2014. In making this assessment, it used the criteria set forth by the Committee of Sponsoring Organizations of the Treadway Commission (COSO) in Internal Control – Integrated Framework (1992). Based on its assessment and those criteria, management has concluded that the Company maintained effective internal control over financial reporting as of December 31, 2014.

The Company’s independent registered public accounting firm, Ernst & Young LLP, has issued an attestation report on the Company’s internal control over financial reporting. That report is included herein.

F-1

REPORT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM

The Board of Directors and Shareholders

CARBO Ceramics Inc.

We have audited CARBO Ceramics Inc.’s internal control over financial reporting as of December 31, 2014, based on criteria established in Internal Control – Integrated Framework issued by the Committee of Sponsoring Organizations of the Treadway Commission (1992 framework) (the COSO criteria). CARBO Ceramics Inc.’s 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 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, assessing the risk that a material weakness exists, testing and evaluating the design and operating effectiveness of internal control based on the assessed risk, and 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, CARBO Ceramics Inc. maintained, in all material respects, effective internal control over financial reporting as of December 31, 2014, 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 CARBO Ceramics Inc. as of December 31, 2014 and 2013, and the related consolidated statements of income, comprehensive income, shareholders’ equity, and cash flows for each of the three years in the period ended December 31, 2014, and our report dated February 26, 2015 expressed an unqualified opinion thereon.

/s/    Ernst & Young LLP

New Orleans, Louisiana

February 26, 2015

F-2

REPORT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM

The Board of Directors and Shareholders

CARBO Ceramics Inc.

We have audited the accompanying consolidated balance sheets of CARBO Ceramics Inc. as of December 31, 2014 and 2013, and the related consolidated statements of income, comprehensive income, shareholders’ equity, and cash flows for each of the three years in the period ended December 31, 2014. 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. An audit also includes 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 financial statements referred to above present fairly, in all material respects, the consolidated financial position of CARBO Ceramics Inc. at December 31, 2014 and 2013, and the consolidated results of its operations and its cash flows for each of the three years in the period ended December 31, 2014, in conformity with U.S. generally accepted accounting principles.

We also have audited, in accordance with the standards of the Public Company Accounting Oversight Board (United States), CARBO Ceramics Inc.’s internal control over financial reporting as of December 31, 2014, based on criteria established in Internal Control – Integrated Framework issued by the Committee of Sponsoring Organizations of the Treadway Commission (1992 framework), and our report dated February 26, 2015 expressed an unqualified opinion thereon.

/s/    Ernst & Young LLP

New Orleans, Louisiana

February 26, 2015

F-3

CARBO CERAMICS INC.

CONSOLIDATED BALANCE SHEETS

($ in thousands, except per share data)

	December 31,
	2014			2013
ASSETS
Current assets:
Cash and cash equivalents	$	24,298		$	94,250
Trade accounts and other receivables, net		132,573			125,179
Inventories:
Finished goods		106,941			87,218
Raw materials and supplies		37,502			47,042
Total inventories		144,443			134,260
Prepaid expenses and other current assets		5,241			5,442
Prepaid income taxes		19,708			1,888
Deferred income taxes		11,348			10,363
Total current assets		337,611			371,382
Property, plant and equipment:
Land and land improvements		40,921			31,163
Land-use and mineral rights		19,877			12,751
Buildings		74,911			72,702
Machinery and equipment		627,517			535,529
Construction in progress		109,378			109,735
Total		872,604			761,880
Less accumulated depreciation and amortization		303,888			283,345
Net property, plant and equipment		568,716			478,535
Goodwill		12,164			12,164
Intangible and other assets, net		15,735			16,870
Total assets	$	934,226		$	878,951
LIABILITIES AND SHAREHOLDERS’ EQUITY
Current liabilities:
Bank borrowings	$	25,000		$	—
Accounts payable		22,922			24,570
Accrued payroll and benefits		12,466			13,650
Accrued freight		5,925			6,873
Accrued utilities		3,714			3,577
Other accrued expenses		7,388			8,018
Total current liabilities		77,415			56,688
Deferred income taxes		80,754			53,676
Shareholders’ equity:
Preferred stock, par value $0.01 per share, 5,000 shares authorized, none outstanding		—			—
Common stock, par value $0.01 per share, 80,000,000 shares authorized; 23,092,674 and 23,080,632 shares issued and outstanding at December 31, 2014 and 2013, respectively		231			231
Additional paid-in capital		59,297			56,782
Retained earnings		739,498			714,835
Accumulated other comprehensive loss		(22,969	)		(3,261	)
Total shareholders’ equity		776,057			768,587
Total liabilities and shareholders’ equity	$	934,226		$	878,951

See accompanying notes to consolidated financial statements.

F-4

CARBO CERAMICS INC.

CONSOLIDATED STATEMENTS OF INCOME

($ in thousands, except per share data)

	Years ended December 31,
	2014			2013			2012
Revenues	$	648,325		$	667,398		$	645,536
Cost of sales		467,045			474,403			422,031
Gross profit		181,280			192,995			223,505
Selling, general and administrative expenses		72,535			68,447			64,033
Start-up costs		811			—			68
Loss (gain) on disposal or impairment of assets		15,079			(43	)		518
Operating profit		92,855			124,591			158,886
Other income (expense):
Interest income, net		597			777			64
Foreign currency exchange loss, net		(303	)		(17	)		(76	)
Other, net		(278	)		(150	)		(284	)
		16			610			(296	)
Income before income taxes		92,871			125,201			158,590
Income taxes		37,283			40,315			52,657
Net income	$	55,588		$	84,886		$	105,933
Earnings per share:
Basic	$	2.41		$	3.67		$	4.59
Diluted	$	2.41		$	3.67		$	4.59

See accompanying notes to consolidated financial statements.

F-5

CARBO CERAMICS INC.

CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME

($ in thousands)

	Years ended December 31,
	2014			2013			2012
Net income	$	55,588		$	84,886		$	105,933
Other comprehensive (loss) income:
Foreign currency translation adjustment		(17,952	)		(2,031	)		2,960
Deferred income tax (expense) benefit		(1,756	)		710			(1,035	)
Other comprehensive (loss) income, net of tax		(19,708	)		(1,321	)		1,925
Comprehensive income	$	35,880		$	83,565		$	107,858

See accompanying notes to consolidated financial statements.

F-6

CARBO CERAMICS INC.

CONSOLIDATED STATEMENTS OF SHAREHOLDERS’ EQUITY

($ in thousands, except per share data)

	Common Stock			Additional Paid-In Capital			Retained Earnings			Accumulated Other Comprehensive Income (Loss)			Total
Balances at January 1, 2012		231			56,539			577,253			(3,865	)		630,158
Net income		—			—			105,933			—			105,933
Foreign currency translation adjustment, net of tax expense of $1,035		—			—			—			1,925			1,925
Comprehensive income														107,858
Exercise of stock options		—			54			—			—			54
Tax benefit from stock based compensation		—			1,388			—			—			1,388
Stock granted under restricted stock plan, net		1			206			—			—			207
Stock based compensation		—			4,903			—			—			4,903
Shares repurchased and retired		(1	)		(5,726	)		—			—			(5,727	)
Shares surrendered by employees to pay taxes		—			—			(2,200	)		—			(2,200	)
Cash dividends ($1.02 per share)		—			—			(23,563	)		—			(23,563	)
Balances at December 31, 2012		231			57,364			657,423			(1,940	)		713,078
Net income		—			—			84,886			—			84,886
Foreign currency translation adjustment, net of tax benefit of ($710)		—			—			—			(1,321	)		(1,321	)
Comprehensive income														83,565
Tax expense from stock based compensation		—			(205	)		—			—			(205	)
Stock granted under restricted stock plan, net		1			209			—			—			210
Stock based compensation		—			5,247			—			—			5,247
Shares repurchased and retired		(1	)		(5,833	)		—			—			(5,834	)
Shares surrendered by employees to pay taxes		—			—			(1,124	)		—			(1,124	)
Cash dividends ($1.14 per share)		—			—			(26,350	)		—			(26,350	)
Balances at December 31, 2013		231			56,782			714,835			(3,261	)		768,587
Net income		—			—			55,588			—			55,588
Foreign currency translation adjustment, net of tax expense of $1,756		—			—			—			(19,708	)		(19,708	)
Comprehensive income														35,880
Tax benefit from stock based compensation		—			303			—			—			303
Stock granted under restricted stock plan, net		1			699			—			—			700
Stock based compensation		—			6,688			—			—			6,688
Shares repurchased and retired		(1	)		(5,175	)		—			—			(5,176	)
Shares surrendered by employees to pay taxes		—			—			(1,804	)		—			(1,804	)
Cash dividends ($1.26 per share)		—			—			(29,121	)		—			(29,121	)
Balances at December 31, 2014	$	231		$	59,297		$	739,498		$	(22,969	)	$	776,057

See accompanying notes to consolidated financial statements.

F-7

CARBO CERAMICS INC.

CONSOLIDATED STATEMENTS OF CASH FLOWS

($ in thousands)

	Years ended December 31,
	2014			2013			2012
Operating activities
Net income	$	55,588		$	84,886		$	105,933
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation and amortization		50,860			47,472			44,893
Provision for doubtful accounts		546			354			19
Deferred income taxes		24,389			10,121			11,212
Excess tax benefits from stock based compensation		(372	)		(134	)		(1,384	)
Lower of cost or market inventory adjustment		5,363			—			—
Loss (gain) on disposal or impairment of assets		15,079			(43	)		518
Foreign currency transaction loss, net		303			17			76
Stock compensation expense		7,529			5,837			5,335
Changes in operating assets and liabilities:
Trade accounts and other receivables		(9,511	)		(22,024	)		8,945
Inventories		(25,624	)		6,068			(7,589	)
Prepaid expenses and other current assets		(112	)		(1,136	)		(150	)
Long-term prepaid expenses		(122	)		2,969			12,005
Accounts payable		2,079			4,330			(18,201	)
Accrued expenses		(2,487	)		1,677			(10,628	)
Accrued income taxes, net		(17,726	)		(2,823	)		5,397
Net cash provided by operating activities		105,782			137,571			156,381
Investing activities
Capital expenditures		(161,469	)		(99,936	)		(77,189	)
Net cash used in investing activities		(161,469	)		(99,936	)		(77,189	)
Financing activities
Proceeds from bank borrowings		25,000			—			10,000
Repayments on bank borrowings		—			—			(10,000	)
Net proceeds from stock based compensation		—			—			54
Dividends paid		(29,121	)		(26,350	)		(23,563	)
Purchase of common stock		(6,979	)		(6,958	)		(7,927	)
Excess tax benefits from stock based compensation		372			134			1,384
Net cash used in financing activities		(10,728	)		(33,174	)		(30,052	)
Effect of exchange rate changes on cash		(3,537	)		(846	)		225
Net (decrease) increase in cash and cash equivalents		(69,952	)		3,615			49,365
Cash and cash equivalents at beginning of year		94,250			90,635			41,270
Cash and cash equivalents at end of year	$	24,298		$	94,250		$	90,635
Supplemental cash flow information
Interest paid	$	135		$	10		$	78
Income taxes paid	$	30,619		$	33,015		$	36,036

See accompanying notes to consolidated financial statements.

F-8

CARBO CERAMICS INC.

NOTES TO CONSOLIDATED FINANCIAL STATEMENTS

($ in thousands, except per share data)

1. Significant Accounting Policies

Description of Business

CARBO Ceramics Inc. (the “Company”) was formed in 1987 and is a manufacturer of ceramic proppants and also produces resin-coated ceramic and resin-coated sand proppants. The Company has seven production plants in: New Iberia, Louisiana; Eufaula, Alabama; McIntyre, Georgia; Toomsboro, Georgia; Millen, Georgia; Luoyang, China; and Kopeysk, Russia; and a sand processing facility in Marshfield, Wisconsin. The Company predominantly markets its proppant products through pumping service companies that perform hydraulic fracturing for oil and gas companies. Finished goods inventories are stored at the plant sites and various domestic and international remote distribution facilities. The Company also provides the industry’s most widely used hydraulic fracture simulation software FracPro^®, as well as hydraulic fracture design and consulting services. In addition, the Company provides a broad range of technologies for spill prevention, containment and countermeasures. The Company wound-down its geotechnical monitoring business in late 2012.

Principles of Consolidation

The consolidated financial statements include the accounts of CARBO Ceramics Inc. and its operating subsidiaries. All significant intercompany transactions have been eliminated.

Concentration of Credit Risk, Accounts Receivable and Other Receivables

The Company performs periodic credit evaluations of its customers’ financial condition and generally does not require collateral. Receivables are generally due within 30 days. The majority of the Company’s receivables are from customers in the petroleum pressure pumping industry. The Company establishes an allowance for doubtful accounts based on its assessment of collectability risk and periodically evaluates the balance in the allowance based on a review of trade accounts receivable. Trade accounts receivable are periodically reviewed for collectability based on customers’ past credit history and current financial condition, and the allowance is adjusted if necessary. Credit losses historically have been insignificant. The allowance for doubtful accounts at December 31, 2014 and 2013 was $1,842 and $2,083, respectively. Other receivables were $1,084 and $2,781 as of December 31, 2014 and 2013, respectively, of which related mainly to miscellaneous receivables in the United States and China.

Cash Equivalents

The Company considers all highly liquid investments with a maturity of three months or less when purchased to be cash equivalents. The carrying amounts reported in the balance sheet for cash equivalents approximate fair value.

Inventories

Inventories are stated at the lower of cost (weighted average) or market. Finished goods inventories include costs of materials, plant labor and overhead incurred in the production of the Company’s products and costs to transfer finished goods to distribution centers.

Due to increasing competition in the China proppant market, the Company evaluated the carrying values of its inventories in China and concluded that current market prices were below carrying costs. Consequently, the Company recognized $5,363 lower of cost or market adjustments in 2014 in cost of sales to adjust finished goods and raw materials carrying values to the lower market prices.

F-9

CARBO CERAMICS INC.

NOTES TO CONSOLIDATED FINANCIAL STATEMENTS—(Continued)

($ in thousands, except per share data)

Property, Plant and Equipment

Property, plant and equipment are stated at cost. Repair and maintenance costs are expensed as incurred. Depreciation is computed on the straight-line method for financial reporting purposes using the following estimated useful lives:

Buildings and improvements	15 to 30 years
Machinery and equipment	3 to 30 years
Land-use rights	30 years

The Company holds approximately 4,235 acres of land and leasehold interests containing kaolin reserves near its plants in Georgia and Alabama. The Company also holds approximately 490 acres of land and leasehold interests near its resin-coating facility currently under construction in Marshfield, Wisconsin containing sand reserves for use as raw material in the production of its resin-coated sand products. The capitalized costs of land and mineral rights as well as costs incurred to develop such property are amortized using the units-of-production method based on estimated total tons of these reserves.

Impairment of Long-Lived Assets and Intangible Assets

Long-lived assets to be held and used and intangible assets that are subject to amortization are reviewed for impairment whenever events or circumstances indicate their carrying amounts might not be recoverable. Recoverability is assessed by comparing the undiscounted expected future cash flows from the assets with their carrying amount. If the carrying amount exceeds the sum of the undiscounted future cash flows an impairment loss is recorded. The impairment loss is measured by comparing the fair value of the assets with their carrying amounts. Intangible assets that are not subject to amortization are tested for impairment at least annually by comparing their fair value with the carrying amount and recording an impairment loss for any excess of carrying amount over fair value. Fair values are generally determined based on discounted expected future cash flows or appraised values, as appropriate.

During 2014, the Company recorded losses totaling $15,079 on disposal or impairment of certain long-lived assets as market conditions changed with regard to demand for certain products offered by the Company. The Company evaluated its operations and reviewed the carrying values of related long-lived assets and concluded that certain assets had been impacted by the change in market conditions. As a result of deteriorating market conditions in China during the fourth quarter of 2014, the Company recorded an impairment charge of its long-lived assets in China. In addition, the Company made a decision that it will not move forward with construction of a resin coating plant in Marshfield, Wisconsin for which the Company had previously developed engineering plans and procured certain equipment that had long-lead delivery times. The related resin coating assets were classified as held for sale, and the Company recorded an impairment of those assets. As such, the Company recognized impairment charges totaling $15,120 to adjust the carrying values to the fair values less cost to sell, totaling $2,138, at December 31, 2014. During 2013, the Company recognized a gain of $43, and in 2012, the Company recognized a loss of $518 on disposal or impairment of various assets. The gain in 2013 consisted primarily of equipment disposals. The loss in 2012 consisted primarily of the wind down of the geotechnical monitoring business.

U.S. GAAP establishes a fair value hierarchy that has three levels based on the reliability of the inputs used to determine the fair value. These levels include: Level 1, defined as inputs such as unadjusted quoted prices in active markets for identical assets or liabilities; Level 2, defined as inputs other than quoted prices in active markets that are either directly or indirectly observable; and Level 3, defined as unobservable inputs for use when

F-10

CARBO CERAMICS INC.

NOTES TO CONSOLIDATED FINANCIAL STATEMENTS—(Continued)

($ in thousands, except per share data)

little or no market data exists, therefore requiring an entity to develop its own assumptions. The carrying value of related long-lived assets were adjusted to fair value less cost to sell based on estimates for similar used equipment, which are Level 3 inputs.

Capitalized Software

The Company capitalizes certain software costs, after technological feasibility has been established, which are amortized utilizing the straight-line method over the economic lives of the related products, generally not to exceed five years.

Goodwill

Goodwill represents the excess of the cost of companies acquired over the fair value of their net assets at the date of acquisition. Goodwill relating to each of the Company’s reporting units is tested for impairment annually as well as when an event, or change in circumstances, indicates an impairment is more likely than not to have occurred. The latest impairment review indicated goodwill was not impaired.

Revenue Recognition

Revenue from proppant sales is recognized when title passes to the customer, generally upon delivery. Revenue from consulting and geotechnical services is recognized at the time service is performed. Revenue from the sale of fracture simulation software is recognized when title passes to the customer at time of shipment. Revenue from the sale of spill prevention services is recognized at the time service is performed. Revenue from the sale of containment goods is recognized at the time goods are delivered.

Shipping and Handling Costs

Shipping and handling costs are classified as cost of sales. Shipping costs consist of transportation costs to deliver products to customers. Handling costs include labor and overhead to maintain finished goods inventory and operate distribution facilities.

Cost of Start-Up Activities

Start-up activities, including organization costs, are expensed as incurred. Start-up costs for 2014 related to the start-up of the new manufacturing facility in Millen, Georgia. There were no start-up costs during 2013. Start-up costs for 2012 primarily related to the start-up of the second resin-coating line at the Company’s New Iberia, Louisiana facility.

Use of Estimates

The preparation of financial statements in conformity with accounting principles generally accepted in the United States requires management to make estimates and assumptions that affect the amounts reported in the financial statements and accompanying notes. Actual results could differ from those estimates.

Research and Development Costs

Research and development costs are charged to operations when incurred and are included in Selling, General and Administrative expenses. The amounts incurred in 2014, 2013 and 2012 were $10,855, $8,416 and $6,916, respectively.

F-11

CARBO CERAMICS INC.

NOTES TO CONSOLIDATED FINANCIAL STATEMENTS—(Continued)

($ in thousands, except per share data)

Foreign Subsidiaries

Financial statements of the Company’s foreign subsidiaries are translated using current exchange rates for assets and liabilities; average exchange rates for the period for revenues, expenses, gains and losses; and historical exchange rates for equity accounts. Resulting translation adjustments are included in, and the only component of, Accumulated Other Comprehensive Loss as a separate component of shareholders’ equity.

New Accounting Pronouncements

In January 2015, the FASB issued ASU No. 2015-01, “Income Statement – Extraordinary and Unusual Items (Subtopic 225-20): Simplifying Income Statement Presentation by Eliminating the Concept of Extraordinary Items,” (“ASU 2015-01”) which eliminates the concept of extraordinary items from U.S. GAAP. ASU 2015-01 will be effective for the interim and annual periods beginning after December 15, 2015 with early adoption permitted. The adoption of ASU 2015-01 is not expected to have a material impact on the Company’s consolidated financial position, results of operations, cash flows, or related footnote disclosures.

In August 2014, the FASB issued ASU No. 2014-15, “Presentation of Financial Statements – Going Concern (Subtopic 205-40): Disclosure of Uncertainties about an Entity’s Ability to Continue as a Going Concern,” (“ASU 2014-15”) which provides guidance in U.S. GAAP about management’s responsibility to evaluate whether there is substantial doubt about an entity’s ability to continue as a going concern and to provide related footnote disclosures. ASU 2014-15 will be effective for the interim and annual periods beginning after December 15, 2016 with early adoption permitted. The adoption of ASU 2014-15 is not expected to have a material impact on the Company’s consolidated financial position, results of operations, cash flows, or related footnote disclosures.

In June 2014, the FASB issued ASU No. 2014-12, “Compensation – Stock Compensation (Topic 718): Accounting for Share-Based Payments When the Terms of an Award Provide That a Performance Target Could Be Achieved after the Requisite Service Period (a consensus of the FASB Emerging Issues Task Force),” (“ASU 2014-12”) which amends current guidance for stock compensation tied to performance targets. The amendments require that a performance target that affects vesting and that could be achieved after the requisite service period be treated as a performance condition and apply existing guidance in Topic 718 as it relates to awards with performance conditions that affect vesting to account for such awards. ASU 2014-12 will be effective for interim and annual periods beginning after December 15, 2015 with early adoption permitted. The adoption of ASU 2014-12 is not expected to have a material impact on the Company’s consolidated financial position, results of operations or cash flows.

In May 2014, the FASB issued ASU No. 2014-09, “Revenue from Contracts with Customers (Topic 606),” (“ASU 2014-09”) which amends current revenue guidance. The core principle of the guidance is that an entity should recognize revenue to depict the transfer of promised goods or services to customers in an amount that reflects the consideration to which the entity expects to be entitled in exchange for those goods or services. ASU 2014-09 will be effective for the interim and annual periods beginning after December 15, 2016 with no early adoption permitted. The Company is currently evaluating the potential impact, if any, of adopting this new guidance on the consolidated financial statements and related disclosures.

In April 2014, the FASB issued ASU No. 2014-08, “Presentation of Financial Statements (Topic 205) and Property, Plant, and Equipment (Topic 360): Reporting Discontinued Operations and Disclosures of Disposals of Components of an Entity,” (“ASU 2014-08”) which amends the reporting requirements of discontinued operations. The main provisions of the guidance require that a disposal of a component of an entity is required to

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CARBO CERAMICS INC.

NOTES TO CONSOLIDATED FINANCIAL STATEMENTS—(Continued)

($ in thousands, except per share data)

be reported in discontinued operations if the disposal represents a strategic shift that has or will have a major effect on an entity’s operations and financial results. ASU 2014-08 will be effective for the interim and annual periods beginning after December 15, 2014 with early adoption permitted. The Company is currently evaluating the potential impact, if any, of adopting this new guidance on the consolidated financial statements and related disclosures.

2. Intangible and Other Assets

Following is a summary of intangible assets as of December 31:

	Weighted Average Life	2014				2013
		Gross Amount		Accumulated Amortization		Gross Amount		Accumulated Amortization
Intangibles:
Patents and licenses, software and hardware designs	6 years	$	4,222	$	2,171	$	3,620	$	1,461
Developed technology	10 years		2,782		1,461		2,782		1,182
Customer relationships and non-compete	9 years		2,838		1,753		2,838		1,428
Trademark	Indefinite		833		—		833		—
		$	10,675	$	5,385	$	10,073	$	4,071

Amortization expense for 2014, 2013 and 2012 was $1,313, $1,173 and $1,224, respectively. Estimated amortization expense for each of the ensuing years through December 31, 2019 is $1,238, $700, $638, $565 and $279, respectively.

Following is a summary of other assets as of December 31:

	2014		2013
Other assets:
Bauxite raw materials:
Inventories	$	9,404	$	9,949
Prepayments		—		474
Other assets		1,041		445
	$	10,445	$	10,868

Bauxite raw materials are used in the production of heavyweight ceramic products. As of December 31, 2014 and 2013, the Company has classified as long-term assets those bauxite raw materials inventories that are not expected to be consumed in production during the upcoming twelve month period.

3. Bank Borrowings

The Company has an unsecured revolving credit agreement with a bank. On March 5, 2012, the Company entered into a first amendment to this credit agreement to (i) extend its maturity date from January 29, 2013 to July 29, 2013, (ii) increase the size from $10,000 to $25,000, and (iii) make other administrative changes to certain covenants and provisions. On July 25, 2013, the Company entered into a second amendment to this credit agreement to (i) extend its maturity date to July 25, 2018, (ii) increase the size of the revolving credit facility to

F-13

CARBO CERAMICS INC.

NOTES TO CONSOLIDATED FINANCIAL STATEMENTS—(Continued)

($ in thousands, except per share data)

$50,000, and (iii) make other administrative changes to certain covenants and provisions. On October 31, 2014 the Company entered into a third amendment to this credit agreement that (i) extended the maturity date of the credit agreement from July 25, 2018 to October 31, 2019 and (ii) increased the size of the revolving credit facility from $50,000 to $100,000.

The Company has the option of choosing either the bank’s fluctuating Base Rate or LIBOR Fixed Rate, plus an Applicable Margin, all as defined in the credit agreement. The terms of the credit agreement provide for certain affirmative and negative covenants and require the Company to maintain certain financial ratios. Commitment fees are payable quarterly at an annual rate between 0.375% and 0.50% of the unused line of credit. Commitment fees for 2014, 2013 and 2012 were $207, $154 and $107, respectively.

As of December 31, 2014, the Company’s outstanding debt under the credit agreement was $25,000 and the weighted average interest rate was 2.625% based on LIBOR-based rate borrowings. The company did not have any outstanding debt under the credit agreement as of December 31, 2013.

4. Leases

The Company leases certain property, plant and equipment under operating leases, primarily consisting of railroad equipment leases. Net minimum future rental payments due under non-cancelable operating leases with remaining terms in excess of one year as of December 31, 2014 are as follows:

2015	$	17,682
2016		20,369
2017		18,711
2018		16,370
2019		13,567
Thereafter		53,866
Total	$	140,565

Leases of railroad equipment generally provide for renewal options at their fair rental value at the time of renewal. In the normal course of business, operating leases for railroad equipment are generally renewed or replaced by other leases. For the years ended December 31, 2015 and 2016, minimum future rental payments in the table above are presented net of sublease income related to subleases of railroad equipment of $4,007 and $2,242, respectively. Rent expense for all operating leases was $24,116 in 2014, $22,542 in 2013 and $21,452 in 2012. For the years ended December 31, 2014 and 2013, rent expense is stated net of sublease income of $1,816 and $208, respectively.

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CARBO CERAMICS INC.

NOTES TO CONSOLIDATED FINANCIAL STATEMENTS—(Continued)

($ in thousands, except per share data)

5. Income Taxes

Deferred income taxes reflect the net tax effects of temporary differences between the carrying amounts of assets and liabilities for financial reporting purposes and the amounts used for income tax purposes. Significant components of the Company’s deferred tax assets and liabilities as of December 31 are as follows:

	2014			2013
Deferred tax assets:
Employee benefits	$	1,440		$	1,757
Inventories		6,966			5,923
Goodwill		874			1,358
Other		2,942			4,438
Foreign losses		4,300			—
Foreign tax assets valuation allowance		(4,300	)		—
Total deferred tax assets		12,222			13,476
Deferred tax liabilities:
Depreciation		81,628			54,973
Foreign earnings		—			1,816
Total deferred tax liabilities		81,628			56,789
Net deferred tax liabilities	$	69,406		$	43,313

Foreign earnings in the table above are presented net of foreign tax credits of $0 and $5,019 as of December 31, 2014 and 2013, respectively, which are expected to be utilized upon repatriation of the foreign earnings. Benefits from foreign tax credits were not recognized in 2014 due to the uncertainty of the Company being able to realize the foreign tax assets associated with foreign investments.

Significant components of the provision for income taxes for the years ended December 31 are as follows:

	2014		2013		2012
Current:
Federal	$	11,310	$	27,188	$	37,596
State		500		2,164		2,268
Foreign		1,084		842		1,581
Total current		12,894		30,194		41,445
Deferred		24,389		10,121		11,212
	$	37,283	$	40,315	$	52,657

F-15

CARBO CERAMICS INC.

NOTES TO CONSOLIDATED FINANCIAL STATEMENTS—(Continued)

($ in thousands, except per share data)

The reconciliation of income taxes computed at the U.S. statutory tax rate to the Company’s income tax expense for the years ended December 31 is as follows:

	2014						2013						2012
	Amount			Percent			Amount			Percent			Amount			Percent
U.S. statutory rate	$	32,505			35.0	%	$	43,820			35.0	%	$	55,507			35.0	%
State income taxes, net of federal tax benefit		1,882			2.0			2,097			1.7			2,199			1.4
Mining depletion		(3,035	)		(3.3	)		(2,751	)		(2.2	)		(2,606	)		(1.6	)
Foreign tax assets valuation allowance		4,300			4.6			—			—			—			—
Non-recognized benefit on foreign investments		2,980			3.2			—			—			—			—
Section 199 Manufacturing Benefit and other		(1,349	)		(1.4	)		(2,851	)		(2.3	)		(2,443	)		(1.6	)
	$	37,283			40.1	%	$	40,315			32.2	%	$	52,657			33.2	%

Provision has been made for deferred U.S. income taxes on all foreign earnings based on the Company’s intent to repatriate foreign earnings. The Company did not recognize benefits on foreign investments of $2,980 and recorded a $4,300 valuation allowance during the fourth quarter of 2014 due to the uncertainty of the Company being able to realize the foreign tax assets in light of current market conditions in China.

The Company elected to claim bonus tax depreciation totaling $61,781 on assets placed in service in the United States during 2014. This election reduced current taxable income, which reduced current income tax expense, increased deferred income tax expense, and reduced the Section 199 Manufacturing Benefit. The Company did not claim bonus depreciation on assets placed in service during 2013 or 2012.

The Company had a recorded reserve of $153 associated with uncertain tax positions as of December 31, 2014 and there were no significant changes to the recorded reserve during 2014. If these uncertain tax positions are recognized, substantially all of this amount would impact the effective tax rate. Related accrued interest and penalties are recorded in income tax expense and are not material.

The Company files its tax returns as prescribed by the tax laws of the jurisdictions in which it operates, the most significant of which are U.S. federal and certain state jurisdictions. The 2011 and subsequent tax years are still subject to examination. Various U.S. state jurisdiction tax years remain open to examination as well though the Company believes assessments, if any, would be immaterial to its consolidated financial statements.

6. Shareholders’ Equity

Common Stock

Holders of Common Stock are entitled to one vote per share on all matters to be voted on by shareholders and do not have cumulative voting rights. Subject to preferences of any Preferred Stock, the holders of Common Stock are entitled to receive ratably such dividends, if any, as may be declared from time to time by the Board of Directors out of funds legally available for that purpose. In the event of liquidation, dissolution or winding up of the Company, holders of Common Stock are entitled to share ratably in all assets remaining after payment of liabilities, subject to prior distribution rights of any Preferred Stock then outstanding. The Common Stock has no preemptive or conversion rights or other subscription rights. There are no redemption or sinking fund provisions applicable to the Common Stock. All outstanding shares of Common Stock are fully paid and non-assessable.

On January 20, 2015, the Board of Directors declared a cash dividend of $0.33 per share. The dividend was paid on February 16, 2015 to shareholders of record on February 2, 2015.

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CARBO CERAMICS INC.

NOTES TO CONSOLIDATED FINANCIAL STATEMENTS—(Continued)

($ in thousands, except per share data)

Preferred Stock

The Company’s charter authorizes 5,000 shares of Preferred Stock. The Board of Directors has the authority to issue Preferred Stock in one or more series and to fix the rights, preferences, privileges and restrictions thereof, including dividend rights, conversion rights, voting rights, terms of redemption, redemption prices, liquidation preferences and the number of shares constituting any series or the designation of such series, without further vote or action by the Company’s shareholders. In connection with adoption of a shareholder rights plan on February 13, 2002, the Company created the Series A Preferred Stock and authorized 2,000 shares of the Series A Preferred Stock. This shareholder rights plan expired in February 2012.

Common Stock Repurchase Program

On August 28, 2008, the Company’s Board of Directors authorized the repurchase of up to two million shares of the Company’s Common Stock. Shares are effectively retired at the time of purchase. During the years ended December 31, 2014, 2013 and 2012, the Company repurchased and retired 47,424, 75,000 and 60,000 shares respectively, at an aggregate price of $5,175, $5,833 and $5,727, respectively. As of December 31, 2014, the Company has repurchased and retired 2,000,000 shares at an aggregate price of $89,309.

7. Stock Based Compensation

On May 20, 2014, the shareholders approved the 2014 CARBO Ceramics Inc. Omnibus Incentive Plan (the “2014 Omnibus Incentive Plan”). The 2014 Omnibus Incentive Plan replaces the expired 2009 Omnibus Incentive Plan. Under the 2014 Omnibus Incentive Plan, the Company may grant cash-based awards, stock options (both non-qualified and incentive) and other equity-based awards (including stock appreciation rights, phantom stock, restricted stock, restricted stock units, performance shares, deferred share units or share-denominated performance units) to employees and non-employee directors. The amount paid under the 2014 Omnibus Incentive Plan to any single participant in any calendar year with respect to any cash-based award shall not exceed $5,000. Awards may be granted with respect to a number of shares of the Company’s Common Stock that in the aggregate does not exceed 750,000 shares prior to the fifth anniversary of its effective date, plus (i) the number of shares that are forfeited, cancelled or returned, and (ii) the number of shares that are withheld from the participants to satisfy an option exercise price or minimum statutory tax withholding obligations. No more than 50,000 shares may be granted to any single participant in any calendar year. Equity-based awards may be subject to performance-based and/or service-based conditions. With respect to stock options and stock appreciation rights granted, the exercise price shall not be less than the market value of the underlying Common Stock on the date of grant. The maximum term of an option is ten years. Restricted stock awards granted generally vest (i.e., transfer and forfeiture restrictions on these shares are lifted) proportionately on each of the first three anniversaries of the grant date, but subject to certain limitations, awards may specify other vesting periods. As of December 31, 2014, 742,534 shares were available for issuance under the 2014 Omnibus Incentive Plan. Although the Company’s 2009 Omnibus Incentive Plan has expired, unvested shares granted under that plan remain outstanding in accordance with its terms.

As of December 31, 2012, all compensation cost related to stock options granted under the expired stock option plan has been recognized. During 2012, a total of 2,425 options, with a weighted-average exercise price of $22.35 per share, were exercised. There were no options outstanding at December 31, 2012 and thereafter. The total intrinsic value of options exercised during the years ended December 31, 2014, 2013 and 2012 was none, none, and $118, respectively.

F-17

CARBO CERAMICS INC.

NOTES TO CONSOLIDATED FINANCIAL STATEMENTS—(Continued)

($ in thousands, except per share data)

A summary of restricted stock activity and related information for the year ended December 31, 2014 is presented below:

	Shares			Weighted- Average Grant-Date Fair Value
Nonvested at January 1, 2014		136,195		$	90.50
Granted		76,085		$	111.99
Vested		(59,533	)	$	94.70
Forfeited		(5,258	)	$	100.95
Nonvested at December 31, 2014		147,489		$	99.51

As of December 31, 2014, there was $7,499 of total unrecognized compensation cost, net of estimated forfeitures, related to restricted shares granted under the Omnibus Incentive Plans. That cost is expected to be recognized over a weighted-average period of 1.6 years. The weighted-average grant date fair value of restricted stock granted during the years ended December 31, 2014, 2013 and 2012 was $111.99, $82.18 and $105.22, respectively. The total fair value of shares vested during the years ended December 31, 2014, 2013 and 2012 was $5,638, $4,995 and $4,696, respectively.

The Company also made phantom stock awards to key international employees pursuant to the expired 2009 Omnibus Incentive Plan prior to its expiration. The units subject to an award vest and cease to be forfeitable in equal annual installments over a three-year period. Participants awarded units of phantom stock are entitled to a lump sum cash payment equal to the fair market value of a share of Common Stock on the vesting date. In no event will Common Stock of the Company be issued with regard to outstanding phantom stock awards. As of December 31, 2014, there were 18,180 units of phantom stock granted under the expired 2009 Omnibus Incentive Plan, of which 9,397 have vested and 1,570 have been forfeited, with a total value of $289, a portion of which is accrued as a liability within Accrued Payroll and Benefits.

8. Earnings Per Share

ASC Topic 260, “Earnings Per Share”, provides that unvested share-based payment awards that contain non-forfeitable rights to dividends or dividend equivalents (whether paid or unpaid) are participating securities and shall be included in the computation of earnings per share pursuant to the two-class method. The Company’s outstanding non-vested restricted stock awards are participating securities. Accordingly, earnings per common share are computed using the two-class method.

F-18

CARBO CERAMICS INC.

NOTES TO CONSOLIDATED FINANCIAL STATEMENTS—(Continued)

($ in thousands, except per share data)

The following table sets forth the computation of basic and diluted earnings per share under the two-class method:

	2014			2013			2012
Numerator for basic and diluted earnings per share:
Net income	$	55,588		$	84,886		$	105,933
Effect of reallocating undistributed earnings of participating securities		(376	)		(530	)		(553	)
Net income available under the two-class method	$	55,212		$	84,356		$	105,380
Denominator:
Denominator for basic earnings per share—weighted-average shares		22,946,395			22,957,013			22,968,696
Effect of dilutive potential common shares		—			—			625
Denominator for diluted earnings per share—adjusted weighted—average shares		22,946,395			22,957,013			22,969,321
Basic earnings per share	$	2.41		$	3.67		$	4.59
Diluted earnings per share	$	2.41		$	3.67		$	4.59

9. Quarterly Operating Results – (Unaudited)

Quarterly results for the years ended December 31, 2014 and 2013 were as follows:

	Three Months Ended
	March 31		June 30		September 30		December 31
2014
Revenues	$	148,564	$	176,561	$	155,402	$	167,798
Gross profit		44,364		53,648		42,150		41,118
Net income		18,427		23,017		13,744		399
Earnings per share:
Basic	$	0.80	$	1.00	$	0.60	$	0.02
Diluted	$	0.80	$	1.00	$	0.60	$	0.02
2013
Revenues	$	147,657	$	153,744	$	201,477	$	164,520
Gross profit		42,384		39,333		62,759		48,519
Net income		17,577		16,307		30,148		20,854
Earnings per share:
Basic	$	0.76	$	0.71	$	1.31	$	0.90
Diluted	$	0.76	$	0.71	$	1.31	$	0.90

Quarterly data may not sum to full year data reported in the Consolidated Financial Statements due to rounding.

F-19

CARBO CERAMICS INC.

NOTES TO CONSOLIDATED FINANCIAL STATEMENTS—(Continued)

($ in thousands, except per share data)

10. Sales to Customers

The following schedule presents customers from whom the Company derived 10% or more of total revenues for the years ended December 31:

	Major Customers
	A			B
2014		22.4	%		29.9	%
2013		13.1	%		34.7	%
2012		13.7	%		35.2	%

11. Geographic Information

Long-lived assets, consisting of net property, plant and equipment and other long-term assets, as of December 31 in the United States and other countries are as follows:

	2014		2013		2012
Long-lived assets:
United States	$	561,109	$	454,031	$	403,534
International (primarily China and Russia)		18,052		35,372		36,535
Total	$	579,161	$	489,403	$	440,069

During 2014, the Company recorded an impairment of most of the long-lived assets in China. Consequently, the above international assets in 2014 are primarily associated with Russia.

Revenues outside the United States accounted for 24%, 21% and 23% of the Company’s revenues for 2014, 2013 and 2012, respectively. Revenues for the years ended December 31 in the United States, Canada and other countries are as follows:

	2014		2013		2012
Revenues:
United States	$	491,004	$	529,603	$	500,106
Canada		73,092		43,329		30,929
Other international		84,229		94,466		114,501
Total	$	648,325	$	667,398	$	645,536

12. Benefit Plans

The Company has defined contribution savings and profit sharing plans pursuant to Section 401(k) of the Internal Revenue Code. Benefit costs recognized as expense under these plans consisted of the following for the years ended December 31:

	2014		2013		2012
Contributions:
Profit sharing	$	2,337	$	2,126	$	2,132
Savings		1,849		1,609		1,241
	$	4,186	$	3,735	$	3,373

F-20

CARBO CERAMICS INC.

NOTES TO CONSOLIDATED FINANCIAL STATEMENTS—(Continued)

($ in thousands, except per share data)

All contributions to the plans are 100% participant directed. Participants are allowed to invest up to 20% of contributions in the Company’s Common Stock.

13. Commitments

In January 2011, the Company entered into an agreement with one of the Company’s existing suppliers to purchase from the supplier at least 70 percent of the annual kaolin requirements for the Eufaula plant at specified contract prices. The term of the agreement was three years, with options to extend for an additional six years. In May 2012, the agreement was amended to require the Company to purchase from the supplier at least 50 percent of the annual kaolin requirements for the Eufaula, Alabama plant at specified contract prices for the remainder of 2012 and the ensuing five calendar years. The agreement has options to extend the term for an additional three years. For the years ended December 31, 2014, 2013 and 2012, the Company purchased from the supplier $2,263, $3,788 and $3,012, respectively, of kaolin under the agreement.

In January 2003, the Company entered into a mining agreement with a contractor to provide kaolin for the Company’s McIntyre plant at specified contract prices, from lands owned or leased by either the Company or the contractor. The term of the agreement, which commenced on January 1, 2003, and remains in effect until such time as all Company-owned minerals have been depleted, requires the Company to accept delivery from the contractor of at least 80 percent of the McIntyre plant’s annual kaolin requirements. In 2006, the Company’s plant in Toomsboro, Georgia commenced operations and became part of this agreement. For the years ended December 31, 2014, 2013 and 2012, the Company purchased $14,823, $13,091 and $12,919, respectively, of kaolin under the agreement.

In July 2011, the Company entered into a new agreement with a supplier to provide hydro sized sand for the Company’s Marshfield, Wisconsin plant at a specified contract price. The term of the agreement was five years commencing on July 30, 2011 and required the Company to purchase a minimum of 40,000 tons and 100,000 tons of hydro sized sand during 2011 and 2012, respectively. Effective January 30, 2012, the agreement was amended and requires the Company to purchase a minimum of 150,000 tons of hydro sized sand annually during 2012 and 2013 and a minimum of 350,000 tons of hydro sized sand in 2014, all at a stated contract price. For the years ended December 31, 2014, 2013 and 2012, the Company purchased $6,922, $3,546 and $2,538, respectively, of sand under this agreement.

In May 2012, the Company entered into a new supply agreement to provide kaolin for the Company’s manufacturing plant in Millen, Georgia at specified contract prices, from lands owned or leased by either the Company or the contractor. The term of the agreement, which commenced in July 2014, has an initial term of five years with options to extend for an additional five years and requires the Company to accept delivery from the contractor of at least 50 percent of the Millen plant’s annual kaolin requirements. For the year ended December 31, 2014, the Company purchased $1,465 of kaolin under this agreement.

The Company has entered into a lease agreement dated November 1, 2008 with the Development Authority of Wilkinson County (the “Wilkinson County Development Authority”) and a lease agreement dated November 1, 2012 with the Development Authority of Jenkins County (the “Jenkins County Development Authority” and together with the Wilkinson County Development Authority, the “Development Authorities”) each in the State of Georgia. Pursuant to the 2008 agreement, the Wilkinson County Development Authority holds the title to the real and personal property of the Company’s McIntyre and Toomsboro manufacturing facilities and leases the facilities to the Company for an annual rental fee of $50 per year through the year 2022. Pursuant to the 2012 agreement, the Jenkins County Development Authority holds title to the real estate and

F-21

CARBO CERAMICS INC.

NOTES TO CONSOLIDATED FINANCIAL STATEMENTS—(Continued)

($ in thousands, except per share data)

personal property of the Company’s Millen, Georgia manufacturing facility, a portion of which is currently under construction, and leases the facility to the Company until the tenth anniversary of completion of the final phase of the facility. At any time prior to the scheduled termination of either lease, the Company has the option to terminate the lease and purchase the property for a nominal fee plus the payment of any rent payable through the balance of the lease term. Furthermore, the Company has security interests in the titles held by the Development Authorities. The Company has also entered into a Memorandum of Understanding (the “MOU”) with the Development Authorities and other local agencies, under which the Company receives tax incentives in exchange for its commitment to invest in the county and increase employment. The MOU with the Jenkins County Development Authority also requires the Company to pay an administrative payment of $50 per year during the term of the Millen lease. The Company is required to achieve certain employment levels in order to retain its tax incentives. In the event the Company does not meet the agreed-upon employment targets or the MOU is otherwise terminated, the Company would be subjected to additional property taxes annually. The properties subject to these lease agreements are included in Property, Plant and Equipment (net book value of $367,053 at December 31, 2014) in the accompanying consolidated financial statements.

The Company uses natural gas to power its domestic manufacturing plants. From time to time the Company enters into contracts to purchase a portion of the anticipated natural gas requirements at specified prices. As of December 31, 2014, the Company had natural gas contracts totaling $25,119, $20,142, $13,473 and $9,923 for years ended 2015, 2016, 2017 and 2018, respectively.

14. Employment Agreements

The Company has an employment agreement through December 31, 2015 with its President and Chief Executive Officer. The agreement provides for an annual base salary and incentive bonus. If the President and Chief Executive Officer is terminated early without cause, the Company will be obligated to pay two years base salary and a prorated incentive bonus. Under the agreement, the timing of the payment of severance obligations to the President in the event of the termination of his employment under certain circumstances has been conformed so that a portion of such obligations will be payable in a lump sum, with the remainder of the obligations to be paid over an 18 month period. The agreement also contains a two-year non-competition covenant that would become effective upon termination for any reason. The employment agreement extends automatically for successive one-year periods without prior written notice.

15. Foreign Currencies

As of December 31, 2014, the Company’s net investment that is subject to foreign currency fluctuations totaled $45,829, and the Company has recorded a cumulative foreign currency translation loss of $22,969. This cumulative translation loss is included in and is the only component of Accumulated Other Comprehensive Loss. There were no amounts reclassified to net income during the year ended December 31, 2014. During 2014, the value of the Russian Ruble significantly declined relative to the U.S. dollar for which the financial impact on the Company’s net assets in Russia is included in Other Comprehensive Income and the cumulative foreign currency translation loss noted above. No income tax benefits have been recorded on these losses as a result of the uncertainty about recoverability of the related deferred income tax benefits.

16. Legal Proceedings and Regulatory Matters

The Company is subject to legal proceedings, claims and litigation arising in the ordinary course of business. While the outcome of these matters is currently not determinable, management does not expect that the ultimate costs to resolve these matters will have a material adverse effect on the Company’s consolidated financial position, results of operations, or cash flows.

F-22

CARBO CERAMICS INC.

NOTES TO CONSOLIDATED FINANCIAL STATEMENTS—(Continued)

($ in thousands, except per share data)

17. Subsequent Events

In January 2015, the Company awarded 204,395 shares of restricted stock to certain employees. The fair value of the stock award on the date of grant totaled $6,906, which will be recognized as expense, net of estimated forfeitures, on a straight-line basis over the three-year vesting period.

In January 2015, the Company awarded 5,020 units of phantom shares to certain key international employees. The fair value of the stock award on the date of grant totaled $169.

In January 2015, the Company’s Board of Directors authorized the repurchase of up to two million shares of the Company’s Common Stock. As of February 17, 2015, the Company had not yet repurchased any shares under this plan.

Subsequent to December 31, 2014, the Company drew down $10,000 on its existing revolving credit facility to support various commitments. As of February 26, 2015, the balance outstanding on the Company’s revolving credit facility was $35,000.

Given current business conditions, the Company expects to idle its plant in China during the first quarter of 2015.

F-23

Exhibit Index

3.1	Restated Certificate of Incorporation of CARBO Ceramics Inc. (incorporated by reference to Exhibit 3.1 of the Registrant’s Form 10-Q filed for the period ending June 30, 2012)
3.2	Second Amended and Restated By-Laws of CARBO Ceramics Inc. (incorporated by reference to Exhibit 3.1 of the Registrant’s Form 8-K Current Report filed March 20, 2009)
4.1	Form of Common Stock Certificate of CARBO Ceramics Inc. (incorporated by reference to Exhibit 4.1 of the Registrant’s Form S-1 Registration Statement No. 333-1884 filed July 19, 1996)
4.2	Certificate of Designations of Series A Preferred Stock (incorporated by reference to Exhibit 2 of the Registrant’s Form 8-A12B Registration Statement No. 001-15903 filed February 26, 2002)
10.1	Mining Agreement dated as of January 1, 2003 between CARBO Ceramics Inc. and Arcilla Mining & Land Co. (incorporated by reference to Exhibit 10.8 of the Registrant’s Form 10-K Annual Report for the year ended December 31, 2002)
10.2	Addendum to Mining Agreement dated as of November 10, 2009 between CARBO Ceramics Inc. and Arcilla Mining & Land Co. (incorporated by reference to Exhibit 10.3 of the Registrant’s Form 10-K Annual Report for the year ended December 31, 2010)
*10.3	Second Amended and Restated Employment Agreement dated effective as of January 1, 2012, by and between CARBO Ceramics Inc. and Gary A. Kolstad (incorporated by reference to Exhibit 10.8 of the Registrant’s Form 10-K filed for the period ending December 31, 2011)
*10.4	Third Amended and Restated Employment Agreement dated effective as of December 16, 2014, by and between CARBO Ceramics Inc. and Gary A. Kolstad
10.5	Proppant Supply Agreement dated as of August 28, 2008 between CARBO Ceramics Inc. and Halliburton Energy Services, Inc. (incorporated by reference to Exhibit 10.3 of the Registrant’s Form 10-Q Quarterly Report for the quarter ended September 30, 2008)
10.6	Amendment No. 1 to Proppant Supply Agreement dated as of February 28, 2011 between CARBO Ceramics Inc. and Halliburton Energy Services, Inc. (incorporated by reference to Exhibit 10.1 of the Registrant’s Form 10-Q Quarterly Report for the quarter ended March 31, 2011)
10.7	Side Letter to Proppant Supply Agreement dated as of August 26, 2011 between CARBO Ceramics Inc. and Halliburton Energy Services, Inc. (incorporated by reference to Exhibit 10.1 of the Registrant’s Form 10-Q Quarterly Report for the quarter ended September 30, 2011)
10.8	Amendment No. 3 to Proppant Supply Agreement dated as of March 24, 2014 by and between CARBO Ceramics Inc. and Halliburton Energy Services, Inc. (incorporated by reference to Exhibit 10.1 of the Registrant’s Form 10-Q Quarterly Report for the quarter ended March 31, 2014)
10.9	Lease Agreement dated as of November 1, 2008 between the Development Authority of Wilkinson County and CARBO Ceramics Inc. (incorporated by reference to Exhibit 10.1 of the Registrant’s Form 8-K Current Report filed December 30, 2008)
10.10	Option Agreement dated as of November 1, 2008 between the Development Authority of Wilkinson County and CARBO Ceramics Inc. (incorporated by reference to Exhibit 10.2 of the Registrant’s Form 8-K Current Report filed December 30, 2008)
10.11	Lease Agreement dated as of November 1, 2012 between the Development Authority of Jenkins County and CARBO Ceramics Inc. (incorporated by reference to Exhibit 10.9 of the Registrant’s Form 10-K Annual Report for the year ended December 31, 2012)
*10.12	CARBO Ceramics Inc. Omnibus Incentive Plan (incorporated by reference to Exhibit 10.1 of the Registrant’s Form 8-K Current Report filed May 21, 2009)
*10.13	2014 CARBO Ceramics Inc. Omnibus Incentive Plan (incorporated by reference to Appendix A of the Registrant’s Definitive Proxy Statement on Schedule 14A filed April 2, 2014)

*10.14	Form of Officer Restricted Stock Award Agreement for Omnibus Incentive Plan (incorporated by reference to Exhibit 10.20 of the Registrant’s Form 10-K Annual Report for the year ended December 31, 2010)
*10.15	Form of Amended and Restated Officer Restricted Stock Award Agreement for Omnibus Incentive Plan (incorporated by reference to Exhibit 10.12 of the Registrant’s Form 10-K Annual Report for the year ended December 31, 2013)
*10.16	Form of Non-Employee Director Restricted Stock Award Agreement for Omnibus Incentive Plan (incorporated by reference to Exhibit 10.21 of the Registrant’s Form 10-K Annual Report for the year ended December 31, 2010)
*10.17	Form of Amended and Restated Non-Employee Director Restricted Stock Award Agreement for Omnibus Incentive Plan (incorporated by reference to Exhibit 10.14 of the Registrant’s Form 10-K Annual Report for the year ended December 31, 2013)
*10.18	Description of Annual Non-Employee Director Stock Grants (incorporated by reference to Exhibit 10.1 of the Registrant’s Form 10-Q Quarterly Report for the quarter ended June 30, 2010)
*10.19	Description of Modification to Annual Non-Employee Director Stock Grants (incorporated by reference to Exhibit 10.2 of the Registrant’s Form 10-Q Quarterly Report for the quarter ended March 31, 2011)
*10.20	Description of Modification to the Annual Non-Employee Director Stock Grants (incorporated by reference to Exhibit 10.2 of the Registrant’s Form 10-Q Quarterly Report for the quarter ended March 31, 2012)
*10.21	Description of Modification to Annual Non-Employee Director Stock Grants (incorporated by reference to Exhibit 10.1 of the Registrant’s Form 10-Q Quarterly Report for the quarter ended March 31, 2013)
*10.22	Description of Modification to Annual Non-Employee Director Stock Grants (incorporated by reference to Exhibit 10.2 of the Registrant’s Form 10-Q Quarterly Report for the quarter ended March 31, 2014)
*10.23	CARBO Ceramics Inc. Omnibus Incentive Plan Annual Incentive Arrangement (incorporated by reference to Exhibit 10.1 of the Registrant’s Form 8-K Current Report filed January 21, 2010)
*10.24	CARBO Ceramics Inc. 2014 Omnibus Incentive Plan Annual Incentive Arrangement
10.25	Office Lease dated as of January 20, 2009 between I-10 EC Corridor #2 Limited Partnership and CARBO Ceramics Inc. (incorporated by reference to Exhibit 10.27 of the Registrant’s Form 10-K Annual Report for the year ended December 31, 2009)
10.26	First Amendment to Lease dated as of January 15, 2010 between I-10 EC Corridor #2 Limited Partnership and CARBO Ceramics Inc. (incorporated by reference to Exhibit 10.28 of the Registrant’s Form 10-K Annual Report for the year ended December 31, 2009)
10.27	Credit Agreement, dated as of January 29, 2010, among CARBO Ceramics Inc., as borrower, Wells Fargo Bank, National Association, as administrative agent, issuing lender and swing line lender, and the lenders named therein (incorporated by reference to Exhibit 10.1 of the Registrant’s Form 8-K Current Report filed February 4, 2010)
10.28	Amendment No. 1, dated as of March 5, 2012, among CARBO Ceramics Inc., as borrower, Wells Fargo Bank, National Association, as administrative agent, issuing lender and swing line lender, and the lenders named therein (incorporated by reference to Exhibit 10.1 of the Registrant’s Form 8-K Current Report filed March 6, 2012)
10.29	Amendment No. 2 to Credit Agreement, dated as of July 25, 2013, among CARBO Ceramics Inc., as borrower, Wells Fargo Bank, National Association, as administrative agent, issuing lender and swing line lender, and the lenders named therein (incorporated by reference to Exhibit 10.1 of the Registrant’s Form 10-Q Quarterly Report for the quarter ended June 30, 2013)

10.30	Amendment No. 3 to Credit Agreement, dated as of October 31, 2014, among CARBO Ceramics Inc., as borrower, Wells Fargo Bank, National Association, as administrative agent, issuing lender and swing line lender, and the lenders named therein (incorporated by reference to Exhibit 10.1 of the Registrant’s Form 10-Q Quarterly Report for the quarter ended September 30, 2014)
*10.31	Form of Change in Control Severance Agreement (incorporated by reference to Exhibit 10.1 of the Registrant’s Form 10-Q Quarterly Report for the quarter ended March 31, 2012).
21	Subsidiaries
23	Consent of Independent Registered Public Accounting Firm
31.1	Rule 13a-14(a)/15d-14(a) Certification by Gary A. Kolstad
31.2	Rule 13a-14(a)/15d-14(a) Certification by Ernesto Bautista III
32	Certification pursuant to 18 U.S.C. Section 1350, as adopted pursuant to Section 906 of the Sarbanes-Oxley Act of 2002
95	Mine Safety Disclosure
101	The following financial information from the Company’s Annual Report on Form 10-K for the year ended December 31, 2014, formatted in XBRL: (i) Consolidated Balance Sheets; (ii) Consolidated Statements of Income; (iii) Consolidated Statements of Shareholders’ Equity; (iv) Consolidated Statements of Cash Flows; and (v) Notes to the Consolidated Financial Statements.

* Management contract or compensatory plan or arrangement filed as an exhibit pursuant to Item 15(b) of the requirements for an Annual Report on Form 10-K.

EX-10.4

Exhibit 10.4

THIRD AMENDED AND RESTATED EMPLOYMENT AGREEMENT

THIRD AMENDED AND RESTATED EMPLOYMENT AGREEMENT (the “Agreement”), entered into as of May 10, 2006, amended as of January 1, 2008, amended and restated as of October 31, 2008, further amended as of March 19, 2010, further amended and restated effective as of January 1, 2012, and further amended and restated effective as of December 16, 2014, by and between Gary Kolstad (the “Executive”), residing at the address currently on file with CARBO Ceramics Inc., a Delaware corporation (the “Company”), and the Company.

WITNESSETH

WHEREAS, the Company wishes to employ the Executive as President and Chief Executive Officer of the Company and the Executive wishes to serve the Company in such capacity.

NOW, THEREFORE, in consideration of the conditions and covenants set forth herein, it is agreed as follows:

1. Employment, Duties and Agreements.

(a) The Company hereby employs the Executive, and the Executive hereby agrees to be employed by the Company during the Term, as the Company’s President and Chief Executive Officer on the terms and conditions set forth herein, “Term” shall mean the period commencing on June 1, 2006 (the “Effective Date”) and ending on December 31, 2007; provided, that the Term shall be extended automatically for successive one-year periods, at the rate of Base Salary and on other terms then in effect pursuant to this Agreement, unless written notice of an election not to extend is given by either party to the other at least ninety (90) days prior to the date the Term would then otherwise expire absent its extension; provided, that the Term may be terminated prior to its scheduled expiration date in accordance with Section 3 hereof. Upon any expiration of the Term, the Executive’s employment with the Company shall be at will.

(b) The Executive shall have such responsibilities and duties as the Board of Directors of the Company (the “Board”) may from time to time reasonably determine consistent with the Executive’s position as President and Chief Executive Officer of the Company. In rendering his services hereunder, the Executive shall be subject to, and shall act in accordance with, all reasonable instructions and directions of the Board and all applicable policies and rules thereof. The Executive shall devote the Executive’s full working time to the performance of the Executive’s responsibilities and duties hereunder. During the Term, the Executive will not, without the prior written consent of the Board, render services, whether or not compensated, to any other person or entity as an employee, independent contractor, director or otherwise; provided, however, that nothing herein shall restrict the Executive from rendering services to not-for-profit organizations, including, without limitation, any country club of which he is a member, or managing the Executive’s personal investments during the Executive’s non-working time.

(c) During the Term, the Executive will not engage in any other business affiliation with respect to any entity, including, without limitation, the establishment of a proprietorship or the participation in a partnership or joint venture, or acquire any equity interest in any entity (other than the Company) if (i) such engagement or ownership would interfere with the full-time performance of his responsibilities and duties hereunder or (ii) such entity is engaged in any of the businesses of the Company or its subsidiaries, including without limitation, the production, supply or distribution of proppants used in the hydraulic fracturing of natural gas and oil wells. The Executive represents and warrants that, as of the Effective Date, the Executive will not be engaged in any such business affiliation and will not own any such equity interests.

2. Compensation. During the Term, the Executive shall be entitled to the following compensation.

(a) Effective as of January 1, 2014, the Company shall pay the Executive a base salary at the rate of $800,000 per annum, payable in accordance with the Company’s normal payroll practices (“Base Salary”). The Board shall have the right to review the Executive’s performance and compensation from time to time and may, in its sole discretion, increase his Base Salary based on such factors as the Board deems appropriate.

(b) (i) Subject to Section 2(b)(ii), the Executive will be paid an incentive bonus (the “Incentive Bonus”) with respect to the 2015 fiscal year and each fiscal year of the Term thereafter pursuant to the Company’s Annual Incentive Arrangement, as amended from time to time (the “AIA”); provided, that for purposes of the Executive’s annual bonus under the AIA, “X” (as used in Section 5(a) of the AIA) shall mean (x) 0.5% with respect to the Company’s EBIT (as defined in the AIA) up to $75,000,000 and (y) 0.9% with respect to the Company’s EBIT in excess of $75,000,000. Any such Incentive Bonus paid pursuant to this Section 2(b)(i) shall be paid to the Executive

in accordance with the terms of the AIA; provided, however, that the second proviso in Section 5(a) of the AIA, all of Section 7 of the AIA and all of Section 8 of the AIA shall each not apply to any Incentive Bonus paid pursuant to this Section 2(b)(i).

(ii) With respect to each fiscal year during the Term that commences following the date on which grants of Awards may no longer be made under the 2014 CARBO Ceramics Inc. Omnibus Incentive Plan, the Executive’s Incentive Bonus with respect to such fiscal year will be equal to the sum of (i) 0.5% of the Company’s EBIT up to $75,000,000, plus (ii) 0.9% of EBIT in excess of $75,000,000. Any Incentive Bonus paid pursuant to this Section 2(b)(ii) shall be paid to the Executive as soon as practicable and in any event no later than the earlier of (i) thirty (30) days after the completion of the audited financial statements and determination of EBIT (the “EBIT Determination Date”) for such fiscal year and (ii) two and one half (2 ¹/2) months following the end of such fiscal year.

(c) The Executive shall be entitled to four (4) weeks of paid vacation during each calendar year of the Term in accordance with the Company’s standard vacation policy and practices. The Executive shall take vacations only at such times as are consistent with reasonable business needs of the Company.

(d) The Company shall reimburse the Executive for all reasonable, ordinary and necessary expenses incurred by the Executive in the performance of the Executive’s duties hereunder, provided that the Executive accounts to the Company for such expenses in a manner reasonably prescribed by the Company.

(e) The Executive shall be entitled to such benefits and perquisites as are generally made available to senior executive officers of the Company.

3. Early Termination of the Term. The Term shall terminate prior to its scheduled expiration date upon the occurrence of any of the following events.

(a) The Term and the Executive’s employment hereunder shall terminate upon written notice to the Executive by the Company specifying Disability as the basis for such termination. In respect of such termination, the Company shall pay to the Executive (i) within thirty (30) days after such termination, the Executive’s earned but unpaid Base Salary, earned but unused vacation (determined in accordance with the Company’s standard vacation policy and practices) and reimbursement for expenses incurred (in accordance with Section 2(d) hereof), all as of the date of such termination (the “Accrued Obligations”), and (ii) as soon as practicable and in any event no later than the earlier of (x) the date on which all other AIA Participants (as defined in the AIA) receive payment of their AIA Awards (as defined in the AIA) in respect of the fiscal year in which such termination takes place (or the EBIT Determination Date for such fiscal year if Section 2(b)(ii) applies or no such payments are approved to other AIA Participants) and (y) two and one half (2 ¹/2) months following the end of such fiscal year, an amount equal to the Incentive Bonus for such fiscal year (calculated in accordance with the first sentence of Section 2(b)(i) or (ii), as applicable) multiplied by a fraction, the numerator of which is the number of days in the period commencing on January 1 of such fiscal year and ending on the date of such termination (inclusive) and the denominator of which is 365 (the “Termination Bonus Amount”). The Executive shall not be entitled to any further compensation or payments under this Agreement. “Disability” shall mean a physical or mental impairment of the Executive that (A) qualifies the Executive for (x) disability benefits under any long-term disability plan maintained by the Company or (y) Social Security disability benefits or (B) has prevented or, at the date of determination, will reasonably be likely to prevent, the Executive from performing the essential functions of his position for a period of six (6) consecutive months. The existence of a Disability shall be determined by the Board in its absolute discretion. The Executive agrees to submit to medical examinations by a licensed medical doctor selected by the Board to determine whether a Disability exists, as the Board may request from time to time.

(b) The Company may terminate the Term and the Executive’s employment hereunder for Cause. Termination for Cause shall be effective upon written notice to the Executive by the Company specifying that such termination is for Cause. In respect of such termination, the Company shall pay to the Executive, within thirty (30) days after such termination, the Accrued Obligations. The Executive shall not be entitled to any further compensation or payments under this Agreement. “Cause” shall mean: (i) any material violation by the Executive of this Agreement; (ii) any failure by the Executive substantially to perform his duties hereunder; (iii) any act or omission involving dishonesty, fraud, willful misconduct or gross negligence on the part of the Executive that is or may be materially injurious to the Company; and (iv) any felony or other crime involving moral turpitude committed by the Executive. If the basis for terminating the Executive’s employment for Cause is the result of a violation or failure described in clause (i) or (ii) of the foregoing definition of “Cause” and the majority of the Board (excluding the Executive, if he is a member

2

of the Board) reasonably determines that such violation or failure is capable of being remedied, the Board shall give the Executive thirty (30) days’ prior written notice of the Company’s intent to terminate the Executive’s employment for Cause, which notice shall set forth the violation or failure forming the basis for the determination to terminate the Executive’s employment for Cause. The Executive shall have the right to remedy such violation or failure within a reasonable period of time (as determined by the Board), provided that the Executive begins to take appropriate steps to remedy such violation or failure within ten (10) days of the date of such written notice and diligently prosecutes such efforts thereafter. The Term and the Executive’s employment hereunder may not be terminated for Cause unless a majority of the Board (excluding the Executive, if he is a member of the Board) finds in good faith that termination for Cause is justified and, if the basis for terminating the Executive’s employment for Cause arises as a result of a violation or failure described in clause (i) or (ii) of the definition of “Cause”, that the violation or failure has not been remedied within the period of time designated by the Board or that there is no reasonable prospect that the Executive will remedy the violation or failure forming the basis for terminating his employment for Cause.

(c) The Term and the Executive’s employment hereunder shall terminate upon the death of the Executive. In respect of such termination, the Company shall pay to the Executive’s estate or any beneficiary previously designated by the Executive in writing (a “Designated Beneficiary”) (i) within thirty (30) days after such termination, the Accrued Obligations, and (ii) as soon as practicable and in any event no later than the earlier of (x) the date on which all other AIA Participants receive payment of their AIA Awards in respect of the fiscal year in which such termination takes place (or the EBIT Determination Date for such fiscal year if Section 2(b)(ii) applies or no such payments are approved to other AIA Participants) and (y) two and one half (2 ¹/2) months following the end of such fiscal year, an amount equal to the Termination Bonus Amount for such fiscal year. The Executive, his estate and his Designated Beneficiary shall not be entitled to any further compensation or payments under this Agreement.

(d) The Company may terminate the Term and the Executive’s employment hereunder at any time without Cause. Such termination without Cause shall be communicated by written notice to the Executive from the Company and shall be effective as of the date on which the Executive experiences a “separation from service” within the meaning of Section 1.409A-1(h) of the Treasury Regulations (as amended) promulgated under the United States Internal Revenue Code of 1986 (as amended) (“Separation from Service”). In respect of such termination, the Company shall pay to the Executive (i) within thirty (30) days after such Separation from Service, the Accrued Obligations, and (ii) as soon as practicable and in any event no later than the earlier of (x) the date on which all other AIA Participants receive payment of their AIA Awards in respect of the fiscal year in which such Separation from Service takes place (or the EBIT Determination Date for such fiscal year if Section 2(b)(ii) applies or no such payments are approved to other AIA Participants) and (y) two and one half (2 ¹/2) months following the end of such fiscal year, an amount equal to the Termination Bonus Amount for such fiscal year. In addition, in consideration for the Executive’s execution, within seventy-five (75) days following the Executive’s Separation from Service, of a general release of claims in form and substance satisfactory to the Company, the Company shall pay to the Executive (or to the Executive’s estate or Designated Beneficiary, if the Executive should die during the payout period described in this sentence) an amount equal to two times (2x) the Executive’s Base Salary (at the level in effect immediately preceding such Separation from Service) (the “Severance Payment”) as follows: (A) on the seventy-fifth (75^th) day following the Separation from Service, a lump sum equal to the lesser of (I) the Severance Payment or (II) the amount described in Section 1.409A-1(b)(9)(iii)(A) of the Treasury Regulations (as amended) promulgated under the United States Internal Revenue Code of 1986 (as amended) for the year in which the Separation from Service occurs and (B) the remainder of the Severance Payment (if any) in equal installments, in accordance with the Company’s normal payroll practices, over the eighteen (18)-month period commencing on the earlier to occur of (I) the six (6)-month anniversary of the date of the Executive’s Separation from Service or (II) the Executive’s death. The Executive (or his estate or Designated Beneficiary) shall not be entitled to any further compensation or payments under this Agreement. In no event shall any portion of the Severance Payment be paid later than December 31 of the second year following the year in which the Separation from Service occurs. The Severance Payment will not constitute compensation for any purpose under any retirement plan or other employee benefit plan, program, arrangement or agreement of the Company, and no period during which the Severance Payment is being paid shall constitute a period of employment with the Company for any such purposes.

(e) During the one-year period following a Change in Control of the Company, the Company may terminate the Term and the Executive’s employment hereunder without Cause or the Executive may voluntarily terminate the Term and his employment hereunder for Good Reason. If such termination is made by the Company without Cause,

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it shall be communicated by written notice to the Executive from the Company and shall be effective upon the Executive’s Separation from Service. In respect of any such termination, in lieu of all other amounts or benefits to which the Executive would otherwise be entitled pursuant to any other provisions of Section 3 of this Agreement, the Company shall pay to the Executive (or to the Executive’s estate or Designated Beneficiary, if the Executive should die during the payout period described in this sentence) (i) within thirty (30) days after such Separation from Service, the Accrued Obligations and (ii) an amount equal to the sum of (A) the Incentive Bonus with respect to the fiscal year immediately preceding the fiscal year in which such Separation from Service takes place (calculated in accordance with the first sentence of Section 2(b)(i) or (ii), as applicable) multiplied by a fraction, the numerator of which is the number of days in the period commencing on January 1 of the fiscal year in which such Separation from Service takes place and ending on the date of such Separation from Service (inclusive) and the denominator of which is 365 and (B) two times (2x) the Executive’s Base Salary (at the level in effect immediately preceding such Separation from Service) (together, the “CiC Severance Payment”) as follows: (A) within two and one half (2  ¹⁄₂) months following the Separation from Service, a lump sum equal to the lesser of (I) the CiC Severance Payment or (II) the amount described in Section 1.409A-1(b)(9)(iii)(A) of the Treasury Regulations (as amended) promulgated under the United States Internal Revenue Code of 1986 (as amended) for the year in which the Separation from Service occurs and (B) the remainder of the CiC Severance Payment (if any) in equal installments, in accordance with the Company’s normal payroll practices, over the eighteen (18)-month period commencing on the earlier to occur of (I) the six (6)-month anniversary of the date of the Executive’s Separation from Service or (II) the Executive’s death. The Executive (or his estate or Designated Beneficiary) shall not be entitled to any further compensation or payments under this Agreement. In no event shall any portion of the CiC Severance Payment be paid later than December 31 of the second year following the year in which the Separation from Service occurs. The CiC Severance Payment will not constitute compensation for any purpose under any retirement plan or other employee benefit plan, program, arrangement or agreement of the Company, and no period during which the CiC Severance Payment is being paid shall constitute a period of employment with the Company for any such purposes.

(f) For purposes of Section 3(e) hereof:

(1) “Change in Control” shall mean (i) the occurrence of a change in control of the Company of a nature that would be required to be reported or is reported in response to Item 5.01 of the current report on Form 8-K, as in effect on the Effective Date, pursuant to Sections 13 or 15(d) of the Securities Exchange Act of 1934, as amended (the “Exchange Act”); or (ii) any “Person” (as such term is used in Sections 13(d) and 14(d) of the Exchange Act) is or becomes the “beneficial owner” (as defined in Rule 13d-3 under the Exchange Act), directly or indirectly, of securities of the Company representing 30% or more of the combined voting power of the Company’s outstanding securities (other than any Person who was a “beneficial owner” of securities of the Company representing 30% or more of the combined voting power of the Company’s outstanding securities prior to the Effective Date); or (iii) individuals who constitute the Board on the Effective Date (the “Incumbent Board”) cease for any reason to constitute at least a majority of the members of the Board, provided that any person becoming a director subsequent to the Effective Date whose appointment to fill a vacancy or to fill a new Board position was approved by a vote of at least three-quarters of the directors comprising the Incumbent Board, or whose nomination for election by the Company’s shareholders was approved by the same nominating committee serving under an Incumbent Board, shall be, for purposes of this clause (iii), considered as though he were a member of the Incumbent Board; or (iv) the occurrence of any of the following of which the Incumbent Board does not approve (A) merger or consolidation in which the Company is not the surviving corporation or (B) sale of all or substantially all of the assets of the Company; or (v) stockholder approval pursuant to a proxy statement soliciting proxies from stockholders of the Company, by someone other than the then current management of the Company, of a plan of reorganization, merger or consolidation of the Company with one or more corporations as a result of which the outstanding shares of the class of securities then subject to the plan of reorganization are exchanged or converted into cash or property or securities not issued by the Company.

(2) “Good Reason” shall mean, without the Executive’s express written consent, the occurrence of any one or more of the following: (i) the assignment of the Executive to duties materially inconsistent with the Executive’s authorities, duties, responsibilities and status (including offices, titles, and reporting requirements) as an officer of the Company, or other changes in the Executive’s authorities, duties or responsibilities, if such assignment or changes result in a material diminution in the Executive’s authorities, duties, or responsibilities from those in effect immediately prior to the Change in Control, including a failure to reelect the Executive to, or a removal of him from, any office of the Company that the Executive held immediately prior to the Change in Control; or (ii) the Company’s requiring the Executive to be based at a location more than 50 miles from Houston, Texas

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(except for required travel on the Company’s business to an extent substantially consistent with the Executive’s business obligations immediately prior to the Change in Control) if such action constitutes a material change in the geographic location where the Executive must perform services; or (iii) the Company materially breaches this Agreement or any other written agreement with the Executive under which the Executive provides services to the Company; or (iv) a material reduction in the Executive’s base compensation as of the date of the Change in Control; provided, in each case, that within thirty (30) days following the occurrence of any of the events set forth herein, the Executive shall have delivered written notice to the Company of his intention to terminate his employment for Good Reason, which notice specifies in reasonable detail the circumstances claimed to give rise to the Executive’s right to terminate employment for Good Reason, the Company shall not have cured such circumstances within thirty (30) days following the Company’s receipt of such notice, and the Executive’s Separation from Service with the Company shall have occurred within sixty (60) days following such failure to cure.

4. Restrictive Covenants.

(a) The Executive agrees that all information pertaining to the prior, current or contemplated business of the Company and its corporate affiliates, and their officers, directors, employees, agents, shareholders and customers (excluding (i) publicly available information (in substantially the form in which it is publicly available) unless such information is publicly available by reason of unauthorized disclosure by the Executive or by any person or entity of whose intention to make such unauthorized disclosure the Executive is aware and (ii) information of a general nature not pertaining exclusively to the Company that generally would be acquired in similar employment with another company) constitutes a valuable and confidential asset of the Company. Such information includes, without limitation, information related to trade secrets, customer lists, production techniques, and financial information of the Company. In connection with the performance and execution of his duties, the Company shall make such information available to the Executive during the Term and the Executive agrees that he shall, during the Term and continuing thereafter, (A) hold all such information in trust and confidence for the Company and its corporate affiliates, and (B) not use or disclose any such information to any person, firm, corporation or other entity other than under court order or other legal or regulatory requirement.

(b) To protect the confidential information described in Section 4(a), upon expiration of the Term and continuing for a period ending two (2) years after the Executive’s employment by the Company terminates for any reason whatsoever, the Executive agrees that the Executive will not, directly or indirectly, own, manage, operate, control, be employed by (whether as an employee, consultant, independent contractor or otherwise, and whether or not for compensation) or render services to any person, firm, corporation or other entity, in whatever form, engaged in a Competing Business. For the purposes of this Agreement, a “Competing Business” is defined as any business that provides the same or similar products or services as the Company or its subsidiaries, including without limitation any business which engages in the production or supply of ceramic, resin-coated sand or other proppants for use in the hydraulic fracturing of natural gas and oil wells, or for foundry or grinding media purposes.

(c) During the Term and continuing for a period ending twelve (12) months after the Executive’s employment by the Company terminates for any reason whatsoever, the Executive agrees that the Executive will not, directly or indirectly, individually or on behalf of other persons, solicit, aid or induce (i) then remaining employees of the Company or its corporate affiliates to leave their employment with the Company or its corporate affiliates in order to accept employment with or render services to or with another person, firm, corporation or other entity, or assist or aid any other person, firm, corporation or other entity in identifying or hiring such employees or (ii) any customer of the Company or its corporate affiliates who was a customer of the Company or its corporate affiliates at any time during which the Executive was actively employed by the Company to purchase products or services then sold by the Company or its corporate affiliates from another person, firm, corporation or other entity, or assist or aid any other person or entity in identifying or soliciting any such customer.

(d) Prior to agreeing to, or commencing to, act as an employee, officer, director, trustee, principal, agent or other representative of any type of business other than as an employee of the Company during the period in which the non-competition agreement, as described in Section 4(b), applies, the Executive shall (i) disclose such agreement in writing to the Company and (ii) disclose to the other entity with which he proposes to act in such capacity, or to the other principal together with whom he proposes to act as a principal, the existence of this Agreement, including, in particular, the non-disclosure agreement contained in Section 4(a), the non-competition agreement contained in Section 4(b), and the non-solicitation agreement contained in Section 4(c).

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(e) With respect to the restrictive covenants set forth in Sections 4(a), 4(b) and 4(c), the Executive acknowledges and agrees as follows.

(i) The specified duration of a restrictive covenant shall be extended by and for the term of any period during which the Executive is in violation of such covenant.

(ii) The restrictive covenants are in addition to any rights the Company may have in law or at equity.

(iii) It is impossible to measure in money the damages which will accrue to the Company in the event that the Executive breaches any of the restrictive covenants. Therefore, if the Executive breaches any restrictive covenant, the Company and its corporate affiliates shall be entitled to an injunction restraining the Executive from violating such restrictive covenants. If the Company or any of its corporate affiliates shall institute any action or proceeding to enforce a restrictive covenant, the Executive hereby waives the claim or defense that the Company or any of its corporate affiliates has an adequate remedy at law and the Executive agrees not to assert in any such action or proceeding the claim or defense that the Company or any of its corporate affiliates has an adequate remedy at law. The foregoing shall not prejudice the Company’s or its corporate affiliates’ right to require the Executive to account for and pay over to the Company or its corporate affiliates, and the Executive hereby agrees to account for and pay over, the compensation, profits, monies, accruals or other benefits derived or received by the Executive as a result of any transaction constituting a breach of the restrictive covenants.

(f) The restrictions in this Section 4 shall be in addition to any restrictions imposed on the Executive by statute or at common law.

5. Arbitration of Disputes.

(a) Any disagreement, dispute, controversy or claim arising out of or relating to this Agreement or the interpretation or validity hereof shall be settled exclusively and finally by arbitration. It is specifically understood and agreed that any disagreement, dispute or controversy which cannot be resolved between the parties, including without limitation any matter relating to interpretation of this Agreement, may be submitted to arbitration irrespective of the magnitude thereof, the amount in controversy or whether such disagreement, dispute or controversy would otherwise be considered justiciable or ripe for resolution by a court or arbitral tribunal. Notwithstanding this Section 5, the Company shall be entitled to institute a court action or proceeding for injunctive relief as provided in Section 4 of this Agreement.

(b) The arbitration shall be conducted in accordance with the Commercial Arbitration Rules (the “Arbitration Rules”) of the American Arbitration Association (“AAA”).

(c) The arbitral tribunal shall consist of one arbitrator. The parties to the arbitration jointly shall directly appoint such arbitrator within thirty (30) days of initiation of the arbitration. If the parties shall fail to appoint such arbitrator as provided above, such arbitrator shall be appointed by the AAA as provided in the Arbitration Rules and shall be a person who (i) maintains his principal place of business within thirty (30) miles of the City of Houston, Texas and (ii) has substantial experience in executive compensation. The parties shall each pay an equal portion of the fees, if any, and expenses of such arbitrator.

(d) The arbitration shall be conducted within thirty (30) miles of the City of Houston, Texas or in such other city in the United States of America as the parties to the dispute may designate by mutual written consent.

(e) At any oral hearing of evidence in connection with the arbitration, each party thereto or its legal counsel shall have the right to examine its witnesses and to cross-examine the witnesses of any opposing party. No evidence of any witness shall be presented unless the opposing party or parties shall have the opportunity to cross-examine such witness, except as the parties to the dispute otherwise agree in writing or except under extraordinary circumstances where the interests of justice require a different procedure.

(f) Any decision or award of the arbitral tribunal shall be final and binding upon the parties to the arbitration proceeding. The parties hereto hereby waive to the extent permitted by law any rights to appeal or to seek review of such award by any court or tribunal.

(g) Nothing herein contained shall be deemed to give the arbitral tribunal any authority, power, or right to alter, change, amend, modify, add to or subtract from any of the provisions of this Agreement.

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(h) Notwithstanding anything to the contrary in this Agreement, the arbitration provisions set forth in this Section 5 shall be governed exclusively by the Federal Arbitration Act, Title 9, United States Code.

6. Miscellaneous.

(a) Each provision hereof is severable from this Agreement, and if one or more provisions hereof are declared invalid the remaining provisions shall nevertheless remain in full force and effect. If any provision of this Agreement is so broad, in scope or duration or otherwise, as to be unenforceable, such provision shall be interpreted to be only so broad as is enforceable.

(b) Any notice to be given hereunder shall be given in writing. Notice shall be deemed to be given when delivered by hand to the party to whom notice is being given, or ten (10) days after being mailed, postage prepaid, registered with return receipt requested, or sent by facsimile transmission with a confirmation by registered or certified mail, postage prepaid. Notices to the Executive should be addressed to the Executive as follows:

Gary Kolstad

c/o CARBO Ceramics Inc.

575 North Dairy Ashford

Suite 300

Houston, Texas 77079

Notices to the Company should be sent as follows:

CARBO Ceramics Inc.

575 North Dairy Ashford

Suite 300

Houston, Texas 77079

Attn: Secretary

with copies sent to:

Cleary Gottlieb Steen & Hamilton LLP

One Liberty Plaza

New York, NY 10006

Attn: Christopher Austin, Esq.

Either party may change the address or person to whom notices should be sent to by notifying the other party in accordance with this Section 6(b).

(c) The failure to enforce at any time any of the provisions of this Agreement or to require at any time performance by the other party of any of the provisions hereof shall in no way be construed to be a waiver of such provisions or to affect the validity of this Agreement, or any part hereof, or the right of either party thereafter to enforce each and every such provision in accordance with the terms of this Agreement.

(d) This Agreement contains the entire agreement between the parties with respect to the employment of the Executive by the Company after the Effective Date and supersedes any and all prior understandings, agreements or correspondence between the parties regarding such employment. It may not be amended or extended in any respect except by a writing signed by both parties hereto.

(e) The parties hereto acknowledge and agree that each party has reviewed and negotiated the terms and provisions of this Agreement and has contributed to its preparation (with advice of counsel, if desired). Accordingly, the rule of construction to the effect that ambiguities are resolved against the drafting party shall not be employed in the interpretation of this Agreement. Rather, the terms of this Agreement shall be construed fairly as to both parties hereto and not in favor of or against either party, regardless of which party generally was responsible for the preparation of this Agreement.

(f) This Agreement shall be governed by, and interpreted in accordance with, the laws of Texas, without reference to its principles of conflict of laws.

(g) This Agreement shall not be assignable by either party hereto without the written consent of the other, provided, however, that the Company may, without the written consent of the Executive, assign this Agreement to (i) any entity with which the Company is merged or consolidated or to which the Company transfers substantially all of its assets or (ii) any entity controlling, under common control with or controlled by the Company.

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(h) This Agreement may be executed in several counterparts, each of which shall be deemed an original, but all of which shall constitute one and the same instrument.

(i) The headings in this Agreement are inserted for convenience of reference only and shall not be a part of or control or affect the meaning of any provision hereof.

[Remainder of page intentionally left blank]

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IN WITNESS WHEREOF, the Company has caused this Agreement to be signed by its duly authorized representative and the Executive has hereunto set his hand as of the day and year above written.

	CARBO CERAMICS INC.
By:	/s/ William C. Morris
	William C. Morris, Chairman
	Date: 12-23-2014
	/s/ Gary A. Kolstad
	Gary Kolstad
	Date: 12-16-2014

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EX-10.24

Exhibit 10.24

CARBO CERAMICS INC.

2014 OMNIBUS INCENTIVE PLAN

ANNUAL INCENTIVE ARRANGEMENT

1. Purpose of Arrangement. This Annual Incentive Arrangement (the “AIA”) is intended to align the interests of members of senior management of the Company specified by the Committee for participation (the “AIA Participants”) with those of the Company’s shareholders by providing such members with annual incentives tied to maximizing the Company’s earnings before interest and taxes (“EBIT”). The AIA is entered into pursuant to the provisions of the 2014 CARBO Ceramics Inc. Omnibus Incentive Plan (the “Plan”), which is incorporated by reference herein. Capitalized terms used but not defined herein shall have the meanings assigned to such terms in the Plan.

2. Awards. Each Award made pursuant to the AIA (an “AIA Award”) is intended to qualify as Performance-Based Compensation and shall be determined in any manner permitted by Section 162(m) of the Code and in accordance with Section 8 of the Plan.

3. Performance Period. Each Performance Period shall equal one fiscal year of the Company; provided however that with respect to an AIA Participant who becomes employed by the Company or through promotion or otherwise becomes eligible to participate in the AIA following the first day of a Performance Period, the Committee may establish a Performance Period that begins on the date of such AIA Participant’s commencement of employment with the Company or participation in the AIA and ends on the same date as that of the Performance Period applicable to all other AIA Participants at such time.

4. Performance Measure. With respect to each Performance Period, the Performance Measure shall be the Company’s EBIT during such Performance Period.

5. Performance Target and Performance Schedule. The Performance Target and the Performance Schedule for each AIA Award shall be determined in accordance with Section 8 of the Plan and the following:

(a) The AIA Participant will be paid an AIA Award with respect to each Performance Period equal to X% of the Company’s EBIT (where “X” is determined by the Committee for each AIA Participant in accordance with Section 8 of the Plan); provided that each AIA Award shall be capped at a certain dollar amount determined by the Committee in accordance with Section 8 of the Plan (which cap shall in no event exceed the individual limit set forth in Section 3(b) of the Plan); and provided further that the Committee may, in its discretion, reduce or eliminate (but not increase) the amount payable to any AIA Participant with respect to an AIA Award in accordance with Section 8(b) of the Plan.

(b) For purposes of the AIA, EBIT shall be determined in accordance with the relevant Generally Accepted Accounting Principles.

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6. AIA Award Calculation. In the manner required by Section 162(m) of the Code, the Committee shall, promptly after the date on which the necessary financial and other information for the Performance Period becomes available, certify in writing the extent to which the Performance Target has been achieved. Using the Performance Schedule, the Committee shall determine the amount payable under each AIA Award to each AIA Participant.

7. Vesting Date. This AIA Award shall vest in the amount determined by the Committee pursuant to Section 6 hereof; provided that the AIA Participant shall have remained continuously employed by the Company or a Subsidiary through the last day of the Performance Period.

8. Vesting in the Event of a Change in Control. Notwithstanding any provision of this AIA or the Plan to the contrary, if a Change in Control occurs at a time when the AIA Participant’s outstanding AIA Award remains unvested, the Committee shall, in its sole discretion, determine the effect of such Change in Control on such AIA Award, including, without limitation, whether or not to accelerate the vesting of such AIA Award following such Change in Control.

9. Other Terms and Conditions.

(a) Settlement of AIA Award. Subject to the terms and conditions of the Plan (including without limitation Sections 8 and 14 thereof) and this AIA (including without limitation Section 13 hereof), the Company shall pay a lump sum cash amount to the AIA Participant in the amount determined pursuant to Section 6 or Section 8 in settlement of an AIA Award, as applicable, (i) if the AIA Award vests pursuant to Section 7, on the date of Committee certification under Section 6 but in no event later than March 15^th of the calendar year following the last day of the Performance Period or (ii) if the AIA Award vests pursuant to Section 8, the date on which the Change in Control occurs. Payment of an AIA Award to the AIA Participant pursuant to Section 9(a)(ii) hereof shall in no event be made to the AIA Participant later than the date that is sixty (60) days following the date specified therein.

(b) Non-Transferability of AIA Award. An AIA Award may not be sold, transferred, pledged, assigned or otherwise alienated at any time other than a transfer in accordance with Section 10 of the Plan. Any attempt to do so contrary to the provisions hereof shall be null and void.

(c) AIA Award Confers No Rights with Respect to Continued Employment. Nothing contained herein or in the Plan shall confer upon the AIA Participant any right with respect to the continuation of his or her employment by or service to the Company or any Subsidiary or interfere in any way with the right of the Company or any Subsidiary at any time to terminate such employment or service or to increase or decrease the compensation of the AIA Participant from the rate in existence as of January 1, 2015. The Committee’s granting of an AIA Award to the AIA Participant shall neither require the Committee to grant any subsequent AIA Award to the AIA Participant (or any AIA Award to any other person) at any time, nor preclude the Committee from making subsequent grants to the AIA Participant or any other person.

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(d) Compliance with Law and Regulations. This AIA Award and any obligation of the Company to pay cash hereunder shall be subject to all applicable federal, state, local and non-U.S. laws, rules and regulations and to such approvals by any government or regulatory agency as may be required. The Company’s obligations in connection with the AIA Award are subject to all terms and conditions of this AIA and the Plan.

(e) Modification of AIA and AIA Awards. The Committee may amend, suspend or terminate the Plan or the AIA at any time in accordance with Section 15(a) of the Plan. The Committee may amend or modify the terms and conditions of the AIA or an AIA Award to the extent that the Committee determines, in its sole discretion, that the terms and conditions of the AIA or an AIA Award violate or may violate Section 409A of the Code; provided, however, that (i) no such amendment or modification shall be made without the AIA Participant’s written consent if such amendment or modification would violate the terms and conditions of any other agreement between the AIA Participant and the Company and (ii) unless the Committee determines otherwise, any such amendment or modification made pursuant to this Section 9(e) and Section 15(b) of the Plan shall maintain, to the maximum extent practicable, the original intent of the applicable AIA provision without contravening the provisions of Section 409A of the Code. The amendment or modification of the AIA or an AIA Award pursuant to this Section 9(e) and Section 15(b) of the Plan shall be at the Committee’s sole discretion and the Committee shall not be obligated to amend or modify the AIA or the Plan, nor shall the Company be liable for any adverse tax or other consequences to the AIA Participant resulting from such amendments or modifications or the Committee’s failure to make any such amendments or modifications for purposes of complying with Section 409A of the Code or for any other purpose. To the extent the Committee amends or modifies the AIA or an AIA Award pursuant to this Section 9(e) and Section 15(b) of the Plan, the AIA Participant shall receive notification of any such changes to the AIA or an AIA Award and, unless the Committee determines otherwise, the changes described in such notification shall be deemed to amend the terms and conditions of the AIA and any AIA Award.

10. AIA Participant Bound by AIA. Each AIA Participant, by acceptance of any payment under the AIA, will acknowledge that the Company has made a copy of the Pan and the AIA available to him or her and agree to be bound by all terms and provisions thereof and hereof.

11. Payment of Taxes. Each AIA Participant shall be solely responsible for any applicable taxes (including without limitation income and excise taxes) and penalties, and any interest that accrues thereon, which he or she incurs in connection with the receipt, vesting or settlement of the AIA Award. Notwithstanding any provision of the Plan or this AIA to the contrary, in no event shall the Company or any Subsidiary be liable to the AIA Participant on account of the AIA Award’s failure to (i) qualify for favorable U.S. or non-U.S. tax treatment or (ii) avoid adverse tax treatment under U.S. or non-U.S. law, including, without limitation, Section 409A of the Code. Prior to any event in connection with the AIA Award (e.g., settlement) that the Company determines may result in any U.S. or non-U.S. tax withholding obligation, whether national, federal, state, local or otherwise, including any social security tax obligation (the “Tax Withholding Obligation”), the AIA Participant must make arrangements with the Company for the satisfaction of the minimum amount of such Tax Withholding

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Obligation in a manner acceptable to the Company in accordance with Section 14 of the Plan. Upon any payment in cash with respect to any AIA Award, the Company shall have the right to withhold from any such payment an amount sufficient to satisfy the federal, state, local and/or non-U.S. withholding tax requirements, if any, attributable to such payment.

12. Notices. Any notice to the Company in connection with the AIA Award shall be addressed to the Company at its offices at 575 N. Dairy Ashford Road, Suite 300, Houston, TX 77079, Attention: Omnibus Incentive Plan Administrator, and any notice to the AIA Participant in connection with the AIA Award shall be addressed to him or her at his or her address as shown on the Company’s records at the time such notice is given, subject to the right of either party to designate a different address in writing at any time hereafter.

13. Section 409A of the Code. Each AIA Award is intended to qualify as a short-term deferral pursuant to Section 409A of the Code.

14. Governing Law. The Plan and this AIA, and the rights of all persons under the Plan and this AIA, shall be construed and administered in accordance with the laws of the State of Delaware without regard to its conflict of law principles.

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EX-21

Exhibit 21

CARBO CERAMICS INC.

SUBSIDIARIES

NAME OF ENTITY	JURISDICTION OF ORGANIZATION	PERCENTAGE OWNED
CARBO Ceramics (Mauritius) Inc.	Mauritius		100	%
CARBO Ceramics (China) Company Ltd.	China		100	%
CARBO Ceramics Cyprus Ltd.	Cyprus		100	%
CARBO Ceramics (Eurasia) LLC	Russia		100	%
CARBO International, Inc.	Delaware, USA		100	%
Falcon Technologies and Services, Inc.	Delaware, USA		100	%
StrataGen, Inc.	Delaware, USA		100	%

EX-23

Exhibit 23

Consent of Independent Registered Public Accounting Firm

We consent to the incorporation by reference in the following Registration Statements:

(1) Registration Statement (Form S-8 No. 333-113688) pertaining to the Carbo Ceramics Inc. Savings and Profit Sharing Plan of CARBO Ceramics Inc.,

(2) Registration Statement (Form S-8 No. 333-137499) pertaining to the Carbo Ceramics Inc. Director Deferred Fee Plan of CARBO Ceramics Inc., and

(3) Registration Statement (Form S-8 No. 333-160145) pertaining to the Carbo Ceramics Inc. Omnibus Incentive Plan of CARBO Ceramics Inc.;

of our reports dated February 26, 2015, with respect to the consolidated financial statements of CARBO Ceramics Inc. and the effectiveness of internal control over financial reporting of CARBO Ceramics Inc. included in this Annual Report (Form 10-K) of CARBO Ceramics Inc. for the year ended December 31, 2014.

/s/ Ernst & Young LLP

New Orleans, Louisiana

February 26, 2015

EX-31.1

Exhibit 31.1

Annual Certification

As required by Rules 13a-14(a) and 15d-14(a) under the Securities Exchange Act of 1934

I, Gary A. Kolstad, certify that:

1. I have reviewed this annual report on Form 10-K of Carbo Ceramics Inc.;

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(s) 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 controls 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(s) 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: February 26, 2015

                /s/ Gary A Kolstad

Gary A. Kolstad

President & CEO

EX-31.2

Exhibit 31.2

Annual Certification

As required by Rules 13a-14(a) and 15d-14(a) under the Securities Exchange Act of 1934

I, Ernesto Bautista III, certify that:

1. I have reviewed this annual report on Form 10-K of Carbo Ceramics Inc.;

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(s) 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 controls 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 a 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(s) 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: February 26, 2015

                 /s/ Ernesto Bautista III

Ernesto Bautista III

Chief Financial Officer

EX-32

Exhibit 32

Certification Pursuant to

18 U.S.C. Section 1350,

As Adopted Pursuant to

Section 906 of the Sarbanes-Oxley Act of 2002

Pursuant to Section 906 of the Sarbanes-Oxley Act of 2002 (subsections (a) and (b) of Section 1350, Chapter 63 of Title 18, United States Code), each of the undersigned officers of Carbo Ceramics Inc. (the “Company”), does hereby certify, to such officer’s knowledge, that:

The Annual Report on Form 10-K for the year ended December 31, 2014 (“Form 10-K”) of the Company fully complies with the requirements of Section 13(a) or 15(d) of the Securities Exchange Act of 1934 and information contained in the Form 10-K fairly presents, in all material respects, the financial condition and results of operations of the Company, as of, and for, the periods presented in the Form 10-K.

Dated: February 26, 2015

              /s/ Gary A Kolstad

Name: Gary A. Kolstad

Title:   Chief Executive Officer

Dated: February 26, 2015

              /s/ Ernesto Bautista III

Name: Ernesto Bautista III

Title:   Chief Financial Officer

EX-95

Exhibit 95

MINE SAFETY DISCLOSURES

For the year ended December 31, 2014, the Company has the following mine safety information to report in accordance with Section 1503(a) of the Dodd-Frank Wall Street Reform and Consumer Protection Act, in connection with the Eufaula, Alabama processing facility; the McIntyre, Georgia processing facility; the Millen, Georgia processing facility; the Toomsboro, Georgia processing facility; and the Marshfield, Wisconsin processing facility.

Mine or Operating Name/MSHA Identification Number	Section 104 S&S Citations (#)		Section 104(b) Orders (#)		Section 104(d) Citations and Orders (#)		Section 110(b)(2) Violations (#)		Section 107(a) Orders (#)		Total Dollar Value of MSHA Assessments Proposed ($) (1)		Total Number of Mining Related Fatalities (#)		Received Notice of Pattern of Violations Under Section 104(e) (yes/no)		Received Notice of Potential to Have Pattern Under Section 104(e) (yes/no)		Legal Actions Pending as of Last Day of Period (#)		Aggregate Legal Actions Initiated During Period (#)		Aggregate Legal Actions Resolved During Period (#)
Eufaula Facility MSHA ID 0102687 Eufaula, Alabama		2		0		0		0		0	$	1,465.00		0		No		No		0		0		0
McIntyre Facility MSHA ID 0901108 McInytre, Georgia		0		0		0		0		0	$	317.00		0		No		No		0		0		0
Millen Facility MSHA ID 0901232 Millen, Georgia		0		0		0		0		0	$	0		0		No		No		0		0		0
Toomsboro Facility MSHA ID 0901164 Toomsboro, Georgia		0		0		0		0		0	$	427.00		0		No		No		0		0		0
Marshfield Facility MSHA ID 4073636 Marshfield, Wisconsin		0		0		0		0		0	$	800.00		0		No		No		0		0		0
Totals		2		0		0		0		0	$	3,009.00		0						0		0		0

(1) Amounts represent the total dollar value of proposed assessments received.

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Summary of Intangible Assets (Detail) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2014	Dec. 31, 2013
Scheduleof Intangible Assetby Major Class [Line Items]
Intangible Assets, Gross (Excluding Goodwill), Total	$ 10,675	$ 10,073
Finite Lived Intangible Assets, Accumulated Amortization	5,385	4,071
Trademark
Scheduleof Intangible Assetby Major Class [Line Items]
Weighted average life	Indefinite
Indefinite-lived intangible assets	833	833
Patents and licenses, software and hardware designs
Scheduleof Intangible Assetby Major Class [Line Items]
Weighted average life	6 years
Finite-lived intangible assets, gross	4,222	3,620
Finite Lived Intangible Assets, Accumulated Amortization	2,171	1,461
Developed technology
Scheduleof Intangible Assetby Major Class [Line Items]
Weighted average life	10 years
Finite-lived intangible assets, gross	2,782	2,782
Finite Lived Intangible Assets, Accumulated Amortization	1,461	1,182
Customer relationships and non-compete
Scheduleof Intangible Assetby Major Class [Line Items]
Weighted average life	9 years
Finite-lived intangible assets, gross	2,838	2,838
Finite Lived Intangible Assets, Accumulated Amortization	$ 1,753	$ 1,428

XML

Schedule of Total Revenue from Major Customers (Detail) (Customer Concentration Risk [Member])	12 Months Ended
	Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2012
Major Customer A
Revenue, Major Customer [Line Items]
Concentration risk percentage	22.40%	13.10%	13.70%
Major Customer B
Revenue, Major Customer [Line Items]
Concentration risk percentage	29.90%	34.70%	35.20%

XML

Reconciliation of Income Taxes Computed at U.S. Statutory Tax Rate to Income Tax Expense (Detail) (USD $) In Thousands, unless otherwise specified	3 Months Ended	12 Months Ended
	Dec. 31, 2014	Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2012
Reconciliation of income taxes amount
U.S. statutory rate		$ 32,505	$ 43,820	$ 55,507
State income taxes, net of federal tax benefit		1,882	2,097	2,199
Mining depletion		(3,035)	(2,751)	(2,606)
Foreign tax assets valuation allowance	4,300	4,300
Non-recognized benefit on foreign investments		2,980
Section 199 Manufacturing Benefit and other		(1,349)	(2,851)	(2,443)
Income taxes		$ 37,283	$ 40,315	$ 52,657
Reconciliation of income taxes rate
U.S. statutory rate		35.00%	35.00%	35.00%
State income taxes, net of federal tax benefit		2.00%	1.70%	1.40%
Mining depletion		(3.30%)	(2.20%)	(1.60%)
Foreign tax assets valuation allowance		4.60%
Non-recognized benefit on foreign investments		3.20%
Section 199 Manufacturing Benefit and other		(1.40%)	(2.30%)	(1.60%)
Effective Income Tax Rate, Continuing Operations, Total		40.10%	32.20%	33.20%

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Geographic Information for Long-Lived Assets and Revenues in United States and other Countries (Detail) (USD $) In Thousands, unless otherwise specified	3 Months Ended								12 Months Ended
	Dec. 31, 2014	Sep. 30, 2014	Jun. 30, 2014	Mar. 31, 2014	Dec. 31, 2013	Sep. 30, 2013	Jun. 30, 2013	Mar. 31, 2013	Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2012
Long-lived assets:
Long-lived assets	$ 579,161				$ 489,403				$ 579,161	$ 489,403	$ 440,069
Revenues:
Revenues	167,798	155,402	176,561	148,564	164,520	201,477	153,744	147,657	648,325	667,398	645,536
UNITED STATES
Long-lived assets:
Long-lived assets	561,109				454,031				561,109	454,031	403,534
Revenues:
Revenues									491,004	529,603	500,106
CANADA
Revenues:
Revenues									73,092	43,329	30,929
Other International
Revenues:
Revenues									84,229	94,466	114,501
International, Primarily China and Russia
Long-lived assets:
Long-lived assets	$ 18,052				$ 35,372				$ 18,052	$ 35,372	$ 36,535

XML

Income Taxes - Additional Information (Detail) (USD $)	3 Months Ended	12 Months Ended
	Dec. 31, 2014	Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2012
Income Taxes Disclosure [Line Items]
Foreign tax credits	$ 0	$ 0	$ 5,019,000
Non-recognized benefit on foreign investments		2,980,000
Foreign tax assets valuation allowance	4,300,000	4,300,000
Claim of bonus tax depreciation		61,781,000	0	0
Uncertain tax positions	$ 153,000	$ 153,000

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Quarterly Operating Results - (Unaudited) (Tables)

12 Months Ended

Dec. 31, 2014

Quarterly Operating Results

Quarterly results for the years ended December 31, 2014 and 2013 were as follows:

	Three Months Ended
	March 31		June 30		September 30		December 31
2014
Revenues	$	148,564	$	176,561	$	155,402	$	167,798
Gross profit		44,364		53,648		42,150		41,118
Net income		18,427		23,017		13,744		399
Earnings per share:
Basic	$	0.80	$	1.00	$	0.60	$	0.02
Diluted	$	0.80	$	1.00	$	0.60	$	0.02
2013
Revenues	$	147,657	$	153,744	$	201,477	$	164,520
Gross profit		42,384		39,333		62,759		48,519
Net income		17,577		16,307		30,148		20,854
Earnings per share:
Basic	$	0.76	$	0.71	$	1.31	$	0.90
Diluted	$	0.76	$	0.71	$	1.31	$	0.90

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Benefit Costs Recognized as Expense Under Plans (Detail) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2012
Benefit plan contributions
Benefit plan contributions	$ 4,186	$ 3,735	$ 3,373
Profit Sharing Plan
Benefit plan contributions
Benefit plan contributions	2,337	2,126	2,132
Savings Plan
Benefit plan contributions
Benefit plan contributions	$ 1,849	$ 1,609	$ 1,241

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Subsequent Events

12 Months Ended

Dec. 31, 2014

Subsequent Events

17. Subsequent Events

In January 2015, the Company awarded 204,395 shares of restricted stock to certain employees. The fair value of the stock award on the date of grant totaled $6,906, which will be recognized as expense, net of estimated forfeitures, on a straight-line basis over the three-year vesting period.

In January 2015, the Company awarded 5,020 units of phantom shares to certain key international employees. The fair value of the stock award on the date of grant totaled $169.

In January 2015, the Company’s Board of Directors authorized the repurchase of up to two million shares of the Company’s Common Stock. As of February 17, 2015, the Company had not yet repurchased any shares under this plan.

Subsequent to December 31, 2014, the Company drew down $10,000 on its existing revolving credit facility to support various commitments. As of February 26, 2015, the balance outstanding on the Company’s revolving credit facility was $35,000.

Given current business conditions, the Company expects to idle its plant in China during the first quarter of 2015.

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Stock Based Compensation - Additional Information (Detail) (USD $)	12 Months Ended
	Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2012
Employee Stock Options
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Options exercised			2,425
Weighted-average exercise price of options exercised			$ 22.35
Options outstanding			0
Total intrinsic value of options exercised	$ 0	$ 0	$ 118,000
Omnibus Incentive Plan
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Shares granted to any single participant in any calendar year	50,000
Shares available for issuance under the plan	742,534
Omnibus Incentive Plan | Maximum
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Cash-based award paid to a single participant in any calendar year	5,000,000
Aggregate number of common stock for issuance under the plan	750,000
Period of years for which the 750,000 shares can be granted over	5 years
Omnibus Incentive Plan | Phantom Share Units (PSUs)
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Vesting period	3 years
Units granted	18,180
Units vested	9,397
Units forfeited	1,570
Total fair value of units outstanding	289,000
Omnibus Incentive Plan | Employee Stock Options | Maximum
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Term Period	10 years
Omnibus Incentive Plan | Restricted Stock
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Vesting period	3 years
Unrecognized compensation expense, net	7,499,000
Unrecognized compensation expense, net, weighted average period	1 year 7 months 6 days
Weighted average grant date fair value	$ 111.99	$ 82.18	$ 105.22
Total fair value of restricted stock vested	$ 5,638,000	$ 4,995,000	$ 4,696,000

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Bank Borrowings - Additional Information (Detail) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2012
Line of Credit Facility [Line Items]
Line of credit amendment date	Mar. 05, 2012
Frequency of payments for commitment fees	Quarterly
Commitment fees	$ 207	$ 154	$ 107
Line of credit facility, amount outstanding	25,000	0
Line of credit, weighted average interest rate	2.625%
Minimum
Line of Credit Facility [Line Items]
Commitment fees on unused line of credit, percentage	0.375%
Maximum
Line of Credit Facility [Line Items]
Commitment fees on unused line of credit, percentage	0.50%
Before Amendment
Line of Credit Facility [Line Items]
Line of credit maturity date	Jan. 29, 2013
Line of credit, maximum borrowing capacity	10,000
After Amendment
Line of Credit Facility [Line Items]
Line of credit maturity date	Jul. 25, 2013
Line of credit, maximum borrowing capacity	25,000
Second Amendment
Line of Credit Facility [Line Items]
Line of credit amendment date	Jul. 25, 2013
Line of credit maturity date	Jul. 25, 2018
Line of credit, maximum borrowing capacity	50,000
Third Amendment
Line of Credit Facility [Line Items]
Line of credit amendment date	Oct. 31, 2014
Line of credit maturity date	Oct. 31, 2019
Line of credit, maximum borrowing capacity	$ 100,000

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Significant Accounting Policies - Additional Information (Detail) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2014 Facility	Dec. 31, 2013	Dec. 31, 2012
Significant Accounting Policies [Line Items]
Number of production plants	7
Allowance for doubtful accounts	$ 1,842	$ 2,083
Other receivables	1,084	2,781
Lower of cost or market inventory adjustment	5,363
Loss (gain) on disposal or impairment of assets	(15,079)	43	(518)
Impairment of long-lived assets	15,120
Difference between fair value and carrying value less cost to sell	2,138
Start-up costs	811	0	68
Research and development expenses	$ 10,855	$ 8,416	$ 6,916
Georgia and Alabama
Significant Accounting Policies [Line Items]
Area of land and leasehold interests	4,235
Marshfield, Wisconsin
Significant Accounting Policies [Line Items]
Area of land and leasehold interests	490
Maximum
Significant Accounting Policies [Line Items]
Receivables collection period	30 days
Maturity period for all highly liquid investments when purchased to be cash equivalents	3 months
Capitalized software estimated useful life	5 years

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Computation of Basic and Diluted Earnings per Share under Two-Class Method (Detail) (USD $) In Thousands, except Share data, unless otherwise specified	3 Months Ended								12 Months Ended
	Dec. 31, 2014	Sep. 30, 2014	Jun. 30, 2014	Mar. 31, 2014	Dec. 31, 2013	Sep. 30, 2013	Jun. 30, 2013	Mar. 31, 2013	Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2012
Numerator for basic and diluted earnings per share:
Net income	$ 399	$ 13,744	$ 23,017	$ 18,427	$ 20,854	$ 30,148	$ 16,307	$ 17,577	$ 55,588	$ 84,886	$ 105,933
Effect of reallocating undistributed earnings of participating securities									(376)	(530)	(553)
Net income available under the two-class method									$ 55,212	$ 84,356	$ 105,380
Denominator:
Denominator for basic earnings per share-weighted-average shares									22,946,395	22,957,013	22,968,696
Effect of dilutive potential common shares											625
Denominator for diluted earnings per share-adjusted weighted-average shares									22,946,395	22,957,013	22,969,321
Basic earnings per share	$ 0.02	$ 0.60	$ 1.00	$ 0.80	$ 0.90	$ 1.31	$ 0.71	$ 0.76	$ 2.41	$ 3.67	$ 4.59
Diluted earnings per share	$ 0.02	$ 0.60	$ 1.00	$ 0.80	$ 0.90	$ 1.31	$ 0.71	$ 0.76	$ 2.41	$ 3.67	$ 4.59

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Foreign Currencies - Additional Information (Detail) (USD $)	12 Months Ended
	Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2012
Schedule of Foreign Currency Balance [Line Items]
Investment subject to foreign currency fluctuations	$ 45,829,000
Cumulative foreign currency translation loss, net of deferred income tax benefit	(22,969,000)	(3,261,000)
Amount reclassified to net income	0
Income taxes	37,283,000	40,315,000	52,657,000
Foreign Currency Exchange Loss, Net
Schedule of Foreign Currency Balance [Line Items]
Income taxes	$ 0

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Significant Components of Provision for Income Taxes (Detail) (USD $)	12 Months Ended
	Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2012
Current:
Federal	$ 11,310,000	$ 27,188,000	$ 37,596,000
State	500,000	2,164,000	2,268,000
Foreign	1,084,000	842,000	1,581,000
Total current	12,894,000	30,194,000	41,445,000
Deferred	24,389,000	10,121,000	11,212,000
Income taxes	37,283,000	40,315,000	52,657,000
Deferred Income Taxes
Current:
Deferred	$ 24,389,000	$ 10,121,000	$ 11,212,000

XML

Significant Accounting Policies

12 Months Ended

Dec. 31, 2014

Significant Accounting Policies

1. Significant Accounting Policies

Description of Business

CARBO Ceramics Inc. (the “Company”) was formed in 1987 and is a manufacturer of ceramic proppants and also produces resin-coated ceramic and resin-coated sand proppants. The Company has seven production plants in: New Iberia, Louisiana; Eufaula, Alabama; McIntyre, Georgia; Toomsboro, Georgia; Millen, Georgia; Luoyang, China; and Kopeysk, Russia; and a sand processing facility in Marshfield, Wisconsin. The Company predominantly markets its proppant products through pumping service companies that perform hydraulic fracturing for oil and gas companies. Finished goods inventories are stored at the plant sites and various domestic and international remote distribution facilities. The Company also provides the industry’s most widely used hydraulic fracture simulation software FracPro^®, as well as hydraulic fracture design and consulting services. In addition, the Company provides a broad range of technologies for spill prevention, containment and countermeasures. The Company wound-down its geotechnical monitoring business in late 2012.

Principles of Consolidation

The consolidated financial statements include the accounts of CARBO Ceramics Inc. and its operating subsidiaries. All significant intercompany transactions have been eliminated.

Concentration of Credit Risk, Accounts Receivable and Other Receivables

The Company performs periodic credit evaluations of its customers’ financial condition and generally does not require collateral. Receivables are generally due within 30 days. The majority of the Company’s receivables are from customers in the petroleum pressure pumping industry. The Company establishes an allowance for doubtful accounts based on its assessment of collectability risk and periodically evaluates the balance in the allowance based on a review of trade accounts receivable. Trade accounts receivable are periodically reviewed for collectability based on customers’ past credit history and current financial condition, and the allowance is adjusted if necessary. Credit losses historically have been insignificant. The allowance for doubtful accounts at December 31, 2014 and 2013 was $1,842 and $2,083, respectively. Other receivables were $1,084 and $2,781 as of December 31, 2014 and 2013, respectively, of which related mainly to miscellaneous receivables in the United States and China.

Cash Equivalents

The Company considers all highly liquid investments with a maturity of three months or less when purchased to be cash equivalents. The carrying amounts reported in the balance sheet for cash equivalents approximate fair value.

Inventories

Inventories are stated at the lower of cost (weighted average) or market. Finished goods inventories include costs of materials, plant labor and overhead incurred in the production of the Company’s products and costs to transfer finished goods to distribution centers.

Due to increasing competition in the China proppant market, the Company evaluated the carrying values of its inventories in China and concluded that current market prices were below carrying costs. Consequently, the Company recognized $5,363 lower of cost or market adjustments in 2014 in cost of sales to adjust finished goods and raw materials carrying values to the lower market prices.

Property, Plant and Equipment

Property, plant and equipment are stated at cost. Repair and maintenance costs are expensed as incurred. Depreciation is computed on the straight-line method for financial reporting purposes using the following estimated useful lives:

Buildings and improvements	15 to 30 years
Machinery and equipment	3 to 30 years
Land-use rights	30 years

The Company holds approximately 4,235 acres of land and leasehold interests containing kaolin reserves near its plants in Georgia and Alabama. The Company also holds approximately 490 acres of land and leasehold interests near its resin-coating facility currently under construction in Marshfield, Wisconsin containing sand reserves for use as raw material in the production of its resin-coated sand products. The capitalized costs of land and mineral rights as well as costs incurred to develop such property are amortized using the units-of-production method based on estimated total tons of these reserves.

Impairment of Long-Lived Assets and Intangible Assets

Long-lived assets to be held and used and intangible assets that are subject to amortization are reviewed for impairment whenever events or circumstances indicate their carrying amounts might not be recoverable. Recoverability is assessed by comparing the undiscounted expected future cash flows from the assets with their carrying amount. If the carrying amount exceeds the sum of the undiscounted future cash flows an impairment loss is recorded. The impairment loss is measured by comparing the fair value of the assets with their carrying amounts. Intangible assets that are not subject to amortization are tested for impairment at least annually by comparing their fair value with the carrying amount and recording an impairment loss for any excess of carrying amount over fair value. Fair values are generally determined based on discounted expected future cash flows or appraised values, as appropriate.

During 2014, the Company recorded losses totaling $15,079 on disposal or impairment of certain long-lived assets as market conditions changed with regard to demand for certain products offered by the Company. The Company evaluated its operations and reviewed the carrying values of related long-lived assets and concluded that certain assets had been impacted by the change in market conditions. As a result of deteriorating market conditions in China during the fourth quarter of 2014, the Company recorded an impairment charge of its long-lived assets in China. In addition, the Company made a decision that it will not move forward with construction of a resin coating plant in Marshfield, Wisconsin for which the Company had previously developed engineering plans and procured certain equipment that had long-lead delivery times. The related resin coating assets were classified as held for sale, and the Company recorded an impairment of those assets. As such, the Company recognized impairment charges totaling $15,120 to adjust the carrying values to the fair values less cost to sell, totaling $2,138, at December 31, 2014. During 2013, the Company recognized a gain of $43, and in 2012, the Company recognized a loss of $518 on disposal or impairment of various assets. The gain in 2013 consisted primarily of equipment disposals. The loss in 2012 consisted primarily of the wind down of the geotechnical monitoring business.

U.S. GAAP establishes a fair value hierarchy that has three levels based on the reliability of the inputs used to determine the fair value. These levels include: Level 1, defined as inputs such as unadjusted quoted prices in active markets for identical assets or liabilities; Level 2, defined as inputs other than quoted prices in active markets that are either directly or indirectly observable; and Level 3, defined as unobservable inputs for use when little or no market data exists, therefore requiring an entity to develop its own assumptions. The carrying value of related long-lived assets were adjusted to fair value less cost to sell based on estimates for similar used equipment, which are Level 3 inputs.

Capitalized Software

The Company capitalizes certain software costs, after technological feasibility has been established, which are amortized utilizing the straight-line method over the economic lives of the related products, generally not to exceed five years.

Goodwill

Goodwill represents the excess of the cost of companies acquired over the fair value of their net assets at the date of acquisition. Goodwill relating to each of the Company’s reporting units is tested for impairment annually as well as when an event, or change in circumstances, indicates an impairment is more likely than not to have occurred. The latest impairment review indicated goodwill was not impaired.

Revenue Recognition

Revenue from proppant sales is recognized when title passes to the customer, generally upon delivery. Revenue from consulting and geotechnical services is recognized at the time service is performed. Revenue from the sale of fracture simulation software is recognized when title passes to the customer at time of shipment. Revenue from the sale of spill prevention services is recognized at the time service is performed. Revenue from the sale of containment goods is recognized at the time goods are delivered.

Shipping and Handling Costs

Shipping and handling costs are classified as cost of sales. Shipping costs consist of transportation costs to deliver products to customers. Handling costs include labor and overhead to maintain finished goods inventory and operate distribution facilities.

Cost of Start-Up Activities

Start-up activities, including organization costs, are expensed as incurred. Start-up costs for 2014 related to the start-up of the new manufacturing facility in Millen, Georgia. There were no start-up costs during 2013. Start-up costs for 2012 primarily related to the start-up of the second resin-coating line at the Company’s New Iberia, Louisiana facility.

Use of Estimates

The preparation of financial statements in conformity with accounting principles generally accepted in the United States requires management to make estimates and assumptions that affect the amounts reported in the financial statements and accompanying notes. Actual results could differ from those estimates.

Research and Development Costs

Research and development costs are charged to operations when incurred and are included in Selling, General and Administrative expenses. The amounts incurred in 2014, 2013 and 2012 were $10,855, $8,416 and $6,916, respectively.

Foreign Subsidiaries

Financial statements of the Company’s foreign subsidiaries are translated using current exchange rates for assets and liabilities; average exchange rates for the period for revenues, expenses, gains and losses; and historical exchange rates for equity accounts. Resulting translation adjustments are included in, and the only component of, Accumulated Other Comprehensive Loss as a separate component of shareholders’ equity.

New Accounting Pronouncements

In January 2015, the FASB issued ASU No. 2015-01, “Income Statement – Extraordinary and Unusual Items (Subtopic 225-20): Simplifying Income Statement Presentation by Eliminating the Concept of Extraordinary Items,” (“ASU 2015-01”) which eliminates the concept of extraordinary items from U.S. GAAP. ASU 2015-01 will be effective for the interim and annual periods beginning after December 15, 2015 with early adoption permitted. The adoption of ASU 2015-01 is not expected to have a material impact on the Company’s consolidated financial position, results of operations, cash flows, or related footnote disclosures.

In August 2014, the FASB issued ASU No. 2014-15, “Presentation of Financial Statements – Going Concern (Subtopic 205-40): Disclosure of Uncertainties about an Entity’s Ability to Continue as a Going Concern,” (“ASU 2014-15”) which provides guidance in U.S. GAAP about management’s responsibility to evaluate whether there is substantial doubt about an entity’s ability to continue as a going concern and to provide related footnote disclosures. ASU 2014-15 will be effective for the interim and annual periods beginning after December 15, 2016 with early adoption permitted. The adoption of ASU 2014-15 is not expected to have a material impact on the Company’s consolidated financial position, results of operations, cash flows, or related footnote disclosures.

In June 2014, the FASB issued ASU No. 2014-12, “Compensation – Stock Compensation (Topic 718): Accounting for Share-Based Payments When the Terms of an Award Provide That a Performance Target Could Be Achieved after the Requisite Service Period (a consensus of the FASB Emerging Issues Task Force),” (“ASU 2014-12”) which amends current guidance for stock compensation tied to performance targets. The amendments require that a performance target that affects vesting and that could be achieved after the requisite service period be treated as a performance condition and apply existing guidance in Topic 718 as it relates to awards with performance conditions that affect vesting to account for such awards. ASU 2014-12 will be effective for interim and annual periods beginning after December 15, 2015 with early adoption permitted. The adoption of ASU 2014-12 is not expected to have a material impact on the Company’s consolidated financial position, results of operations or cash flows.

In May 2014, the FASB issued ASU No. 2014-09, “Revenue from Contracts with Customers (Topic 606),” (“ASU 2014-09”) which amends current revenue guidance. The core principle of the guidance is that an entity should recognize revenue to depict the transfer of promised goods or services to customers in an amount that reflects the consideration to which the entity expects to be entitled in exchange for those goods or services. ASU 2014-09 will be effective for the interim and annual periods beginning after December 15, 2016 with no early adoption permitted. The Company is currently evaluating the potential impact, if any, of adopting this new guidance on the consolidated financial statements and related disclosures.

In April 2014, the FASB issued ASU No. 2014-08, “Presentation of Financial Statements (Topic 205) and Property, Plant, and Equipment (Topic 360): Reporting Discontinued Operations and Disclosures of Disposals of Components of an Entity,” (“ASU 2014-08”) which amends the reporting requirements of discontinued operations. The main provisions of the guidance require that a disposal of a component of an entity is required to be reported in discontinued operations if the disposal represents a strategic shift that has or will have a major effect on an entity’s operations and financial results. ASU 2014-08 will be effective for the interim and annual periods beginning after December 15, 2014 with early adoption permitted. The Company is currently evaluating the potential impact, if any, of adopting this new guidance on the consolidated financial statements and related disclosures.

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Subsequent Events - Additional Information (Detail) (USD $) In Thousands, except Share data, unless otherwise specified	12 Months Ended		0 Months Ended
	Dec. 31, 2014	Dec. 31, 2012	Feb. 26, 2015	Feb. 17, 2015	Jan. 31, 2015
Subsequent Event [Line Items]
Proceeds from bank borrowings	$ 25,000	$ 10,000
Subsequent Event
Subsequent Event [Line Items]
Stock authorized to purchase under stock repurchase program, shares					2,000,000
Repurchase of common stock, shares				0
Proceeds from bank borrowings			10,000
Line of credit facility, amount outstanding			35,000
Subsequent Event | Phantom Stock
Subsequent Event [Line Items]
Shares or units awarded to certain employees					5,020
Fair value of the stock award on the date of grant					169
Subsequent Event | Restricted Stock
Subsequent Event [Line Items]
Shares or units awarded to certain employees					204,395
Fair value of the stock award on the date of grant					$ 6,906
Vesting period					3 years

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Net Minimum Future Rental Payments Due Under Non-Cancelable Operating Leases (Detail) (USD $) In Thousands, unless otherwise specified	Dec. 31, 2014
Property, plant and equipment, operating lease payments
2015	$ 17,682
2016	20,369
2017	18,711
2018	16,370
2019	13,567
Thereafter	53,866
Total	$ 140,565

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Leases (Tables)

12 Months Ended

Dec. 31, 2014

Net Minimum Future Rental Payments Due Under Non-Cancelable Operating Leases

Net minimum future rental payments due under non-cancelable operating leases with remaining terms in excess of one year as of December 31, 2014 are as follows:

2015	$	17,682
2016		20,369
2017		18,711
2018		16,370
2019		13,567
Thereafter		53,866
Total	$	140,565

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Intangible and Other Assets (Tables)

12 Months Ended

Dec. 31, 2014

Summary of Intangible Assets

Following is a summary of intangible assets as of December 31:

	Weighted Average Life	2014				2013
		Gross Amount		Accumulated Amortization		Gross Amount		Accumulated Amortization
Intangibles:
Patents and licenses, software and hardware designs	6 years	$	4,222	$	2,171	$	3,620	$	1,461
Developed technology	10 years		2,782		1,461		2,782		1,182
Customer relationships and non-compete	9 years		2,838		1,753		2,838		1,428
Trademark	Indefinite		833		—		833		—
		$	10,675	$	5,385	$	10,073	$	4,071

Other Assets

Following is a summary of other assets as of December 31:

	2014		2013
Other assets:
Bauxite raw materials:
Inventories	$	9,404	$	9,949
Prepayments		—		474
Other assets		1,041		445
	$	10,445	$	10,868

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Geographic Information - Additional Information (Detail) (Customer Concentration Risk [Member], Outside United States)	12 Months Ended
	Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2012
Customer Concentration Risk [Member] | Outside United States
Revenue, Major Customer [Line Items]
Concentration risk percentage	24.00%	21.00%	23.00%

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Leases - Additional Information (Detail) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2016	Dec. 31, 2015
Operating Leased Assets [Line Items]
Sublease income	$ 1,816	$ 208
Rent expense for all operating leases	24,116	22,542	21,452
Scenario, Forecast | Railroad Equipment
Operating Leased Assets [Line Items]
Sublease income				$ 2,242	$ 4,007

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Income Taxes (Tables)

12 Months Ended

Dec. 31, 2014

Significant Components of Deferred Tax Assets and Liabilities

Significant components of the Company’s deferred tax assets and liabilities as of December 31 are as follows:

	2014			2013
Deferred tax assets:
Employee benefits	$	1,440		$	1,757
Inventories		6,966			5,923
Goodwill		874			1,358
Other		2,942			4,438
Foreign losses		4,300			—
Foreign tax assets valuation allowance		(4,300	)		—
Total deferred tax assets		12,222			13,476
Deferred tax liabilities:
Depreciation		81,628			54,973
Foreign earnings		—			1,816
Total deferred tax liabilities		81,628			56,789
Net deferred tax liabilities	$	69,406		$	43,313

Significant Components of Provision for Income Taxes

Significant components of the provision for income taxes for the years ended December 31 are as follows:

	2014		2013		2012
Current:
Federal	$	11,310	$	27,188	$	37,596
State		500		2,164		2,268
Foreign		1,084		842		1,581
Total current		12,894		30,194		41,445
Deferred		24,389		10,121		11,212
	$	37,283	$	40,315	$	52,657

Reconciliation of Income Taxes Computed at U.S. Statutory Tax Rate to Income Tax Expense

The reconciliation of income taxes computed at the U.S. statutory tax rate to the Company’s income tax expense for the years ended December 31 is as follows:

	2014						2013						2012
	Amount			Percent			Amount			Percent			Amount			Percent
U.S. statutory rate	$	32,505			35.0	%	$	43,820			35.0	%	$	55,507			35.0	%
State income taxes, net of federal tax benefit		1,882			2.0			2,097			1.7			2,199			1.4
Mining depletion		(3,035	)		(3.3	)		(2,751	)		(2.2	)		(2,606	)		(1.6	)
Foreign tax assets valuation allowance		4,300			4.6			—			—			—			—
Non-recognized benefit on foreign investments		2,980			3.2			—			—			—			—
Section 199 Manufacturing Benefit and other		(1,349	)		(1.4	)		(2,851	)		(2.3	)		(2,443	)		(1.6	)
	$	37,283			40.1	%	$	40,315			32.2	%	$	52,657			33.2	%

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Stock Based Compensation (Tables)

12 Months Ended

Dec. 31, 2014

Summary of Restricted Stock Activity and Related Information

A summary of restricted stock activity and related information for the year ended December 31, 2014 is presented below:

	Shares			Weighted- Average Grant-Date Fair Value
Nonvested at January 1, 2014		136,195		$	90.50
Granted		76,085		$	111.99
Vested		(59,533	)	$	94.70
Forfeited		(5,258	)	$	100.95
Nonvested at December 31, 2014		147,489		$	99.51

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CONSOLIDATED STATEMENTS OF CASH FLOWS (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2012
Operating activities
Net income	$ 55,588	$ 84,886	$ 105,933
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation and amortization	50,860	47,472	44,893
Provision for doubtful accounts	546	354	19
Deferred income taxes	24,389	10,121	11,212
Excess tax benefits from stock based compensation	(372)	(134)	(1,384)
Lower of cost or market inventory adjustment	5,363
Loss (gain) on disposal or impairment of assets	15,079	(43)	518
Foreign currency transaction loss, net	303	17	76
Stock compensation expense	7,529	5,837	5,335
Changes in operating assets and liabilities:
Trade accounts and other receivables	(9,511)	(22,024)	8,945
Inventories	(25,624)	6,068	(7,589)
Prepaid expenses and other current assets	(112)	(1,136)	(150)
Long-term prepaid expenses	(122)	2,969	12,005
Accounts payable	2,079	4,330	(18,201)
Accrued expenses	(2,487)	1,677	(10,628)
Accrued income taxes, net	(17,726)	(2,823)	5,397
Net cash provided by operating activities	105,782	137,571	156,381
Investing activities
Capital expenditures	(161,469)	(99,936)	(77,189)
Net cash used in investing activities	(161,469)	(99,936)	(77,189)
Financing activities
Proceeds from bank borrowings	25,000		10,000
Repayments on bank borrowings			(10,000)
Net proceeds from stock based compensation			54
Dividends paid	(29,121)	(26,350)	(23,563)
Purchase of common stock	(6,979)	(6,958)	(7,927)
Excess tax benefits from stock based compensation	372	134	1,384
Net cash used in financing activities	(10,728)	(33,174)	(30,052)
Effect of exchange rate changes on cash	(3,537)	(846)	225
Net (decrease) increase in cash and cash equivalents	(69,952)	3,615	49,365
Cash and cash equivalents at beginning of year	94,250	90,635	41,270
Cash and cash equivalents at end of year	24,298	94,250	90,635
Supplemental cash flow information
Interest paid	135	10	78
Income taxes paid	$ 30,619	$ 33,015	$ 36,036

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Earnings Per Share (Tables)

12 Months Ended

Dec. 31, 2014

Computation of Basic and Diluted Earnings per Share under Two-Class Method

The following table sets forth the computation of basic and diluted earnings per share under the two-class method:

	2014			2013			2012
Numerator for basic and diluted earnings per share:
Net income	$	55,588		$	84,886		$	105,933
Effect of reallocating undistributed earnings of participating securities		(376	)		(530	)		(553	)
Net income available under the two-class method	$	55,212		$	84,356		$	105,380
Denominator:
Denominator for basic earnings per share—weighted-average shares		22,946,395			22,957,013			22,968,696
Effect of dilutive potential common shares		—			—			625
Denominator for diluted earnings per share—adjusted weighted—average shares		22,946,395			22,957,013			22,969,321
Basic earnings per share	$	2.41		$	3.67		$	4.59
Diluted earnings per share	$	2.41		$	3.67		$	4.59

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Intangible and Other Assets - Additional Information (Detail) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2012
Schedule of Intangible Assets Disclosure [Line Items]
Amortization expense for intangible assets	$ 1,313	$ 1,173	$ 1,224
Estimated amortization expense for intangible assets for year one	1,238
Estimated amortization expense for intangible assets for year two	700
Estimated amortization expense for intangible assets for year three	638
Estimated amortization expense for intangible assets for year four	565
Estimated amortization expense for intangible assets for year five	$ 279

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Quarterly Operating Results (Detail) (USD $) In Thousands, except Per Share data, unless otherwise specified	3 Months Ended								12 Months Ended
	Dec. 31, 2014	Sep. 30, 2014	Jun. 30, 2014	Mar. 31, 2014	Dec. 31, 2013	Sep. 30, 2013	Jun. 30, 2013	Mar. 31, 2013	Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2012
Quarterly Financial Information
Revenues	$ 167,798	$ 155,402	$ 176,561	$ 148,564	$ 164,520	$ 201,477	$ 153,744	$ 147,657	$ 648,325	$ 667,398	$ 645,536
Gross profit	41,118	42,150	53,648	44,364	48,519	62,759	39,333	42,384	181,280	192,995	223,505
Net income	$ 399	$ 13,744	$ 23,017	$ 18,427	$ 20,854	$ 30,148	$ 16,307	$ 17,577	$ 55,588	$ 84,886	$ 105,933
Earnings per share:
Basic	$ 0.02	$ 0.60	$ 1.00	$ 0.80	$ 0.90	$ 1.31	$ 0.71	$ 0.76	$ 2.41	$ 3.67	$ 4.59
Diluted	$ 0.02	$ 0.60	$ 1.00	$ 0.80	$ 0.90	$ 1.31	$ 0.71	$ 0.76	$ 2.41	$ 3.67	$ 4.59

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CONSOLIDATED BALANCE SHEETS (USD $) In Thousands, unless otherwise specified	Dec. 31, 2014	Dec. 31, 2013
Current assets:
Cash and cash equivalents	$ 24,298	$ 94,250
Trade accounts and other receivables, net	132,573	125,179
Inventories:
Finished goods	106,941	87,218
Raw materials and supplies	37,502	47,042
Total inventories	144,443	134,260
Prepaid expenses and other current assets	5,241	5,442
Prepaid income taxes	19,708	1,888
Deferred income taxes	11,348	10,363
Total current assets	337,611	371,382
Property, plant and equipment:
Land and land improvements	40,921	31,163
Land-use and mineral rights	19,877	12,751
Buildings	74,911	72,702
Machinery and equipment	627,517	535,529
Construction in progress	109,378	109,735
Total	872,604	761,880
Less accumulated depreciation and amortization	303,888	283,345
Net property, plant and equipment	568,716	478,535
Goodwill	12,164	12,164
Intangible and other assets, net	15,735	16,870
Total assets	934,226	878,951
Current liabilities:
Bank borrowings	25,000	0
Accounts payable	22,922	24,570
Accrued payroll and benefits	12,466	13,650
Accrued freight	5,925	6,873
Accrued utilities	3,714	3,577
Other accrued expenses	7,388	8,018
Total current liabilities	77,415	56,688
Deferred income taxes	80,754	53,676
Shareholders' equity:
Preferred stock, par value $0.01 per share, 5,000 shares authorized, none outstanding
Common stock, par value $0.01 per share, 80,000,000 shares authorized; 23,092,674 and 23,080,632 shares issued and outstanding at December 31, 2014 and 2013, respectively	231	231
Additional paid-in capital	59,297	56,782
Retained earnings	739,498	714,835
Accumulated other comprehensive loss	(22,969)	(3,261)
Total shareholders' equity	776,057	768,587
Total liabilities and shareholders' equity	$ 934,226	$ 878,951

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Significant Components of Deferred Tax Assets and Liabilities (Detail) (USD $) In Thousands, unless otherwise specified	Dec. 31, 2014	Dec. 31, 2013
Deferred tax assets:
Employee benefits	$ 1,440	$ 1,757
Inventories	6,966	5,923
Goodwill	874	1,358
Other	2,942	4,438
Foreign losses	4,300
Foreign tax assets valuation allowance	(4,300)
Total deferred tax assets	12,222	13,476
Deferred tax liabilities:
Depreciation	81,628	54,973
Foreign earnings		1,816
Total deferred tax liabilities	81,628	56,789
Net deferred tax liabilities	$ 69,406	$ 43,313

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CONSOLIDATED STATEMENTS OF SHAREHOLDERS EQUITY (USD $) In Thousands	Total	Common Stock	Additional Paid-In Capital	Retained Earnings	Accumulated Other Comprehensive Income (Loss)
Balances at Dec. 31, 2011	$ 630,158	$ 231	$ 56,539	$ 577,253	$ (3,865)
Net income	105,933			105,933
Foreign currency translation adjustment, net of tax expense of $1,035 2012, ($710) 2013, $1,756 2014	1,925				1,925
Comprehensive income	107,858
Exercise of stock options	54		54
Tax benefit from stock based compensation	1,388		1,388
Stock granted under restricted stock plan, net	207	1	206
Stock based compensation	4,903		4,903
Shares repurchased and retired	(5,727)	(1)	(5,726)
Shares surrendered by employees to pay taxes	(2,200)			(2,200)
Cash dividends ($1.02 per share)	(23,563)			(23,563)
Balances at Dec. 31, 2012	713,078	231	57,364	657,423	(1,940)
Net income	84,886			84,886
Foreign currency translation adjustment, net of tax expense of $1,035 2012, ($710) 2013, $1,756 2014	(1,321)				(1,321)
Comprehensive income	83,565
Tax benefit from stock based compensation	(205)		(205)
Stock granted under restricted stock plan, net	210	1	209
Stock based compensation	5,247		5,247
Shares repurchased and retired	(5,834)	(1)	(5,833)
Shares surrendered by employees to pay taxes	(1,124)			(1,124)
Cash dividends ($1.02 per share)	(26,350)			(26,350)
Balances at Dec. 31, 2013	768,587	231	56,782	714,835	(3,261)
Net income	55,588			55,588
Foreign currency translation adjustment, net of tax expense of $1,035 2012, ($710) 2013, $1,756 2014	(19,708)				(19,708)
Comprehensive income	35,880
Tax benefit from stock based compensation	303		303
Stock granted under restricted stock plan, net	700	1	699
Stock based compensation	6,688		6,688
Shares repurchased and retired	(5,176)	(1)	(5,175)
Shares surrendered by employees to pay taxes	(1,804)			(1,804)
Cash dividends ($1.02 per share)	(29,121)			(29,121)
Balances at Dec. 31, 2014	$ 776,057	$ 231	$ 59,297	$ 739,498	$ (22,969)

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Commitments - Additional Information (Detail) (USD $) In Thousands, unless otherwise specified	12 Months Ended			1 Months Ended	12 Months Ended	0 Months Ended	1 Months Ended	0 Months Ended	1 Months Ended	0 Months Ended
	Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2012	May 31, 2012	Dec. 31, 2011	Nov. 01, 2008	Jan. 31, 2003	Jan. 30, 2012	Jul. 31, 2011	Nov. 30, 2012
Long-term Purchase Commitment [Line Items]
Annual rental fee	$ 24,116	$ 22,542	$ 21,452
Net book value of property leased	568,716	478,535
Lease Agreements
Long-term Purchase Commitment [Line Items]
Net book value of property leased	367,053
During 2015 | Natural Gas Purchase Contract
Long-term Purchase Commitment [Line Items]
Purchase commitment amount	25,119
During 2016 | Natural Gas Purchase Contract
Long-term Purchase Commitment [Line Items]
Purchase commitment amount	20,142
During 2017 | Natural Gas Purchase Contract
Long-term Purchase Commitment [Line Items]
Purchase commitment amount	13,473
During 2018 | Natural Gas Purchase Contract
Long-term Purchase Commitment [Line Items]
Purchase commitment amount	9,923
Eufaula | kaolin | Supplier 2
Long-term Purchase Commitment [Line Items]
Commitment effective date				May 2012	2011-01-01
Purchase commitment, period					3 years
Additional purchase commitment, period					6 years
Purchase commitment amount	2,263	3,788	3,012
Eufaula | kaolin | Supplier 2 | After Amendment
Long-term Purchase Commitment [Line Items]
Additional purchase commitment, period				3 years
Eufaula | kaolin | Supplier 2 | Minimum
Long-term Purchase Commitment [Line Items]
Purchase obligation percentage of annual requirements					70.00%
Eufaula | kaolin | Supplier 2 | Minimum | After Amendment
Long-term Purchase Commitment [Line Items]
Purchase commitment, period				5 years
Purchase obligation percentage of annual requirements				50.00%
McIntyre | Wilkinson County Development Authority
Long-term Purchase Commitment [Line Items]
Agreement entry date						Nov. 01, 2008
Annual rental fee						50
Lease agreement period						Through the year 2022
McIntyre | kaolin | Supplier 3
Long-term Purchase Commitment [Line Items]
Commitment effective date							2003-01-01
Purchase commitment amount	14,823	13,091	12,919
Agreement entry date							Jan. 01, 2003
McIntyre | kaolin | Supplier 3 | Minimum
Long-term Purchase Commitment [Line Items]
Purchase obligation percentage of annual requirements							80.00%
Marshfield, Wisconsin
Long-term Purchase Commitment [Line Items]
Purchase commitment amount	6,922	3,546	2,538
Marshfield, Wisconsin | After Amendment
Long-term Purchase Commitment [Line Items]
Purchase commitment, commencing date								2012-01-30
Marshfield, Wisconsin | Prior Agreement
Long-term Purchase Commitment [Line Items]
Commitment effective date									2011-07-30
Purchase commitment, period									5 years
Marshfield, Wisconsin | During 2011 | Prior Agreement
Long-term Purchase Commitment [Line Items]
Minimum quantity to be purchased annually									40,000
Marshfield, Wisconsin | During 2012 | After Amendment
Long-term Purchase Commitment [Line Items]
Minimum quantity to be purchased annually								150,000
Marshfield, Wisconsin | During 2012 | Prior Agreement
Long-term Purchase Commitment [Line Items]
Minimum quantity to be purchased annually									100,000
Marshfield, Wisconsin | During 2013 | After Amendment
Long-term Purchase Commitment [Line Items]
Minimum quantity to be purchased annually								150,000
Marshfield, Wisconsin | During 2014 | After Amendment
Long-term Purchase Commitment [Line Items]
Minimum quantity to be purchased annually								350,000
Millen Georgia | Jenkins County Development Authority
Long-term Purchase Commitment [Line Items]
Agreement entry date										Nov. 01, 2012
Lease agreement period										Until the tenth anniversary of completion of the final phase of the facility.
Lease administrative fees										50
Millen Georgia | Kaolin And Bauxite | Supplier 7
Long-term Purchase Commitment [Line Items]
Purchase commitment, period				5 years
Additional purchase commitment, period				5 years
Purchase commitment amount	$ 1,465
Agreement entry date				May 31, 2012
Millen Georgia | Kaolin And Bauxite | Supplier 7 | Minimum
Long-term Purchase Commitment [Line Items]
Purchase obligation percentage of annual requirements				50.00%

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Geographic Information (Tables)

12 Months Ended

Dec. 31, 2014

Long Lived Assets

Geographic Information for Long-Lived Assets and Revenues in United States and other Countries

Long-lived assets, consisting of net property, plant and equipment and other long-term assets, as of December 31 in the United States and other countries are as follows:

	2014		2013		2012
Long-lived assets:
United States	$	561,109	$	454,031	$	403,534
International (primarily China and Russia)		18,052		35,372		36,535
Total	$	579,161	$	489,403	$	440,069

Revenues From External Customers

Geographic Information for Long-Lived Assets and Revenues in United States and other Countries

Revenues for the years ended December 31 in the United States, Canada and other countries are as follows:

	2014		2013		2012
Revenues:
United States	$	491,004	$	529,603	$	500,106
Canada		73,092		43,329		30,929
Other international		84,229		94,466		114,501
Total	$	648,325	$	667,398	$	645,536

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Employment Agreements

12 Months Ended

Dec. 31, 2014

Employment Agreements

14. Employment Agreements

The Company has an employment agreement through December 31, 2015 with its President and Chief Executive Officer. The agreement provides for an annual base salary and incentive bonus. If the President and Chief Executive Officer is terminated early without cause, the Company will be obligated to pay two years base salary and a prorated incentive bonus. Under the agreement, the timing of the payment of severance obligations to the President in the event of the termination of his employment under certain circumstances has been conformed so that a portion of such obligations will be payable in a lump sum, with the remainder of the obligations to be paid over an 18 month period. The agreement also contains a two-year non-competition covenant that would become effective upon termination for any reason. The employment agreement extends automatically for successive one-year periods without prior written notice.

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Benefit Plans (Tables)

12 Months Ended

Dec. 31, 2014

Benefit Costs Recognized as Expense under Plans

Benefit costs recognized as expense under these plans consisted of the following for the years ended December 31:

	2014		2013		2012
Contributions:
Profit sharing	$	2,337	$	2,126	$	2,132
Savings		1,849		1,609		1,241
	$	4,186	$	3,735	$	3,373

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Legal Proceedings and Regulatory Matters

12 Months Ended

Dec. 31, 2014

Legal Proceedings and Regulatory Matters

16. Legal Proceedings and Regulatory Matters

The Company is subject to legal proceedings, claims and litigation arising in the ordinary course of business. While the outcome of these matters is currently not determinable, management does not expect that the ultimate costs to resolve these matters will have a material adverse effect on the Company’s consolidated financial position, results of operations, or cash flows.

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CONSOLIDATED STATEMENTS OF SHAREHOLDERS EQUITY (Parenthetical) (USD $) In Thousands, except Per Share data, unless otherwise specified	12 Months Ended
	Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2012
Foreign currency translation adjustment, tax expense (benefit)	$ 1,756	$ (710)	$ 1,035
Cash dividends, per share	$ 1.26	$ 1.14	$ 1.02

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CONSOLIDATED BALANCE SHEETS (Parenthetical) (USD $)	Dec. 31, 2014	Dec. 31, 2013
Preferred stock, par value	$ 0.01	$ 0.01
Preferred stock, share authorized	5,000	5,000
Preferred stock, share outstanding	0	0
Common stock, par value	$ 0.01	$ 0.01
Common stock, share authorized	80,000,000	80,000,000
Common stock, share issued	23,092,674	23,080,632
Common stock, share outstanding	23,092,674	23,080,632

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Quarterly Operating Results - (Unaudited)

12 Months Ended

Dec. 31, 2014

Quarterly Operating Results - (Unaudited)

9. Quarterly Operating Results – (Unaudited)

Quarterly results for the years ended December 31, 2014 and 2013 were as follows:

	Three Months Ended
	March 31		June 30		September 30		December 31
2014
Revenues	$	148,564	$	176,561	$	155,402	$	167,798
Gross profit		44,364		53,648		42,150		41,118
Net income		18,427		23,017		13,744		399
Earnings per share:
Basic	$	0.80	$	1.00	$	0.60	$	0.02
Diluted	$	0.80	$	1.00	$	0.60	$	0.02
2013
Revenues	$	147,657	$	153,744	$	201,477	$	164,520
Gross profit		42,384		39,333		62,759		48,519
Net income		17,577		16,307		30,148		20,854
Earnings per share:
Basic	$	0.76	$	0.71	$	1.31	$	0.90
Diluted	$	0.76	$	0.71	$	1.31	$	0.90

Quarterly data may not sum to full year data reported in the Consolidated Financial Statements due to rounding.

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Document and Entity Information (USD $)	12 Months Ended
	Dec. 31, 2014	Feb. 17, 2015	Jun. 30, 2014
Document Information [Line Items]
Document Type	10-K
Amendment Flag	false
Document Period End Date	Dec. 31, 2014
Document Fiscal Year Focus	2014
Document Fiscal Period Focus	FY
Trading Symbol	CRR
Entity Registrant Name	CARBO CERAMICS INC
Entity Central Index Key	0001009672
Current Fiscal Year End Date	--12-31
Entity Well-known Seasoned Issuer	Yes
Entity Current Reporting Status	Yes
Entity Voluntary Filers	No
Entity Filer Category	Large Accelerated Filer
Entity Common Stock, Shares Outstanding		23,276,180
Entity Public Float			$ 3,042,021,331

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Sales to Customers

12 Months Ended

Dec. 31, 2014

Sales to Customers

10. Sales to Customers

The following schedule presents customers from whom the Company derived 10% or more of total revenues for the years ended December 31:

	Major Customers
	A			B
2014		22.4	%		29.9	%
2013		13.1	%		34.7	%
2012		13.7	%		35.2	%

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CONSOLIDATED STATEMENTS OF INCOME (USD $) In Thousands, except Per Share data, unless otherwise specified	12 Months Ended
	Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2012
Revenues	$ 648,325	$ 667,398	$ 645,536
Cost of sales	467,045	474,403	422,031
Gross profit	181,280	192,995	223,505
Selling, general and administrative expenses	72,535	68,447	64,033
Start-up costs	811	0	68
Loss (gain) on disposal or impairment of assets	15,079	(43)	518
Operating profit	92,855	124,591	158,886
Other income (expense):
Interest income, net	597	777	64
Foreign currency exchange loss, net	(303)	(17)	(76)
Other, net	(278)	(150)	(284)
Nonoperating expense, total	16	610	(296)
Income before income taxes	92,871	125,201	158,590
Income taxes	37,283	40,315	52,657
Net income	$ 55,588	$ 84,886	$ 105,933
Earnings per share:
Basic	$ 2.41	$ 3.67	$ 4.59
Diluted	$ 2.41	$ 3.67	$ 4.59

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Leases

12 Months Ended

Dec. 31, 2014

Leases

4. Leases

The Company leases certain property, plant and equipment under operating leases, primarily consisting of railroad equipment leases. Net minimum future rental payments due under non-cancelable operating leases with remaining terms in excess of one year as of December 31, 2014 are as follows:

2015	$	17,682
2016		20,369
2017		18,711
2018		16,370
2019		13,567
Thereafter		53,866
Total	$	140,565

Leases of railroad equipment generally provide for renewal options at their fair rental value at the time of renewal. In the normal course of business, operating leases for railroad equipment are generally renewed or replaced by other leases. For the years ended December 31, 2015 and 2016, minimum future rental payments in the table above are presented net of sublease income related to subleases of railroad equipment of $4,007 and $2,242, respectively. Rent expense for all operating leases was $24,116 in 2014, $22,542 in 2013 and $21,452 in 2012. For the years ended December 31, 2014 and 2013, rent expense is stated net of sublease income of $1,816 and $208, respectively.

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Bank Borrowings

12 Months Ended

Dec. 31, 2014

Bank Borrowings

3. Bank Borrowings

The Company has an unsecured revolving credit agreement with a bank. On March 5, 2012, the Company entered into a first amendment to this credit agreement to (i) extend its maturity date from January 29, 2013 to July 29, 2013, (ii) increase the size from $10,000 to $25,000, and (iii) make other administrative changes to certain covenants and provisions. On July 25, 2013, the Company entered into a second amendment to this credit agreement to (i) extend its maturity date to July 25, 2018, (ii) increase the size of the revolving credit facility to $50,000, and (iii) make other administrative changes to certain covenants and provisions. On October 31, 2014 the Company entered into a third amendment to this credit agreement that (i) extended the maturity date of the credit agreement from July 25, 2018 to October 31, 2019 and (ii) increased the size of the revolving credit facility from $50,000 to $100,000.

The Company has the option of choosing either the bank’s fluctuating Base Rate or LIBOR Fixed Rate, plus an Applicable Margin, all as defined in the credit agreement. The terms of the credit agreement provide for certain affirmative and negative covenants and require the Company to maintain certain financial ratios. Commitment fees are payable quarterly at an annual rate between 0.375% and 0.50% of the unused line of credit. Commitment fees for 2014, 2013 and 2012 were $207, $154 and $107, respectively.

As of December 31, 2014, the Company’s outstanding debt under the credit agreement was $25,000 and the weighted average interest rate was 2.625% based on LIBOR-based rate borrowings. The company did not have any outstanding debt under the credit agreement as of December 31, 2013.

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Foreign Currencies

12 Months Ended

Dec. 31, 2014

Foreign Currencies

15. Foreign Currencies

As of December 31, 2014, the Company’s net investment that is subject to foreign currency fluctuations totaled $45,829, and the Company has recorded a cumulative foreign currency translation loss of $22,969. This cumulative translation loss is included in and is the only component of Accumulated Other Comprehensive Loss. There were no amounts reclassified to net income during the year ended December 31, 2014. During 2014, the value of the Russian Ruble significantly declined relative to the U.S. dollar for which the financial impact on the Company’s net assets in Russia is included in Other Comprehensive Income and the cumulative foreign currency translation loss noted above. No income tax benefits have been recorded on these losses as a result of the uncertainty about recoverability of the related deferred income tax benefits.

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Geographic Information

12 Months Ended

Dec. 31, 2014

Geographic Information

11. Geographic Information

Long-lived assets, consisting of net property, plant and equipment and other long-term assets, as of December 31 in the United States and other countries are as follows:

	2014		2013		2012
Long-lived assets:
United States	$	561,109	$	454,031	$	403,534
International (primarily China and Russia)		18,052		35,372		36,535
Total	$	579,161	$	489,403	$	440,069

During 2014, the Company recorded an impairment of most of the long-lived assets in China. Consequently, the above international assets in 2014 are primarily associated with Russia.

Revenues outside the United States accounted for 24%, 21% and 23% of the Company’s revenues for 2014, 2013 and 2012, respectively. Revenues for the years ended December 31 in the United States, Canada and other countries are as follows:

	2014		2013		2012
Revenues:
United States	$	491,004	$	529,603	$	500,106
Canada		73,092		43,329		30,929
Other international		84,229		94,466		114,501
Total	$	648,325	$	667,398	$	645,536

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Stock Based Compensation

12 Months Ended

Dec. 31, 2014

Stock Based Compensation

7. Stock Based Compensation

On May 20, 2014, the shareholders approved the 2014 CARBO Ceramics Inc. Omnibus Incentive Plan (the “2014 Omnibus Incentive Plan”). The 2014 Omnibus Incentive Plan replaces the expired 2009 Omnibus Incentive Plan. Under the 2014 Omnibus Incentive Plan, the Company may grant cash-based awards, stock options (both non-qualified and incentive) and other equity-based awards (including stock appreciation rights, phantom stock, restricted stock, restricted stock units, performance shares, deferred share units or share-denominated performance units) to employees and non-employee directors. The amount paid under the 2014 Omnibus Incentive Plan to any single participant in any calendar year with respect to any cash-based award shall not exceed $5,000. Awards may be granted with respect to a number of shares of the Company’s Common Stock that in the aggregate does not exceed 750,000 shares prior to the fifth anniversary of its effective date, plus (i) the number of shares that are forfeited, cancelled or returned, and (ii) the number of shares that are withheld from the participants to satisfy an option exercise price or minimum statutory tax withholding obligations. No more than 50,000 shares may be granted to any single participant in any calendar year. Equity-based awards may be subject to performance-based and/or service-based conditions. With respect to stock options and stock appreciation rights granted, the exercise price shall not be less than the market value of the underlying Common Stock on the date of grant. The maximum term of an option is ten years. Restricted stock awards granted generally vest (i.e., transfer and forfeiture restrictions on these shares are lifted) proportionately on each of the first three anniversaries of the grant date, but subject to certain limitations, awards may specify other vesting periods. As of December 31, 2014, 742,534 shares were available for issuance under the 2014 Omnibus Incentive Plan. Although the Company’s 2009 Omnibus Incentive Plan has expired, unvested shares granted under that plan remain outstanding in accordance with its terms.

As of December 31, 2012, all compensation cost related to stock options granted under the expired stock option plan has been recognized. During 2012, a total of 2,425 options, with a weighted-average exercise price of $22.35 per share, were exercised. There were no options outstanding at December 31, 2012 and thereafter. The total intrinsic value of options exercised during the years ended December 31, 2014, 2013 and 2012 was none, none, and $118, respectively.

A summary of restricted stock activity and related information for the year ended December 31, 2014 is presented below:

	Shares			Weighted- Average Grant-Date Fair Value
Nonvested at January 1, 2014		136,195		$	90.50
Granted		76,085		$	111.99
Vested		(59,533	)	$	94.70
Forfeited		(5,258	)	$	100.95
Nonvested at December 31, 2014		147,489		$	99.51

As of December 31, 2014, there was $7,499 of total unrecognized compensation cost, net of estimated forfeitures, related to restricted shares granted under the Omnibus Incentive Plans. That cost is expected to be recognized over a weighted-average period of 1.6 years. The weighted-average grant date fair value of restricted stock granted during the years ended December 31, 2014, 2013 and 2012 was $111.99, $82.18 and $105.22, respectively. The total fair value of shares vested during the years ended December 31, 2014, 2013 and 2012 was $5,638, $4,995 and $4,696, respectively.

The Company also made phantom stock awards to key international employees pursuant to the expired 2009 Omnibus Incentive Plan prior to its expiration. The units subject to an award vest and cease to be forfeitable in equal annual installments over a three-year period. Participants awarded units of phantom stock are entitled to a lump sum cash payment equal to the fair market value of a share of Common Stock on the vesting date. In no event will Common Stock of the Company be issued with regard to outstanding phantom stock awards. As of December 31, 2014, there were 18,180 units of phantom stock granted under the expired 2009 Omnibus Incentive Plan, of which 9,397 have vested and 1,570 have been forfeited, with a total value of $289, a portion of which is accrued as a liability within Accrued Payroll and Benefits.

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Employment Agreements - Additional Information (Detail) (President and Chief Executive Officer)	12 Months Ended
	Dec. 31, 2014
President and Chief Executive Officer
Deferred Compensation Arrangement with Individual, Excluding Share-based Payments and Postretirement Benefits [Line Items]
Obligation payable	18 months
Employee benefit payments period	2 years
Non competition covenant period	2 years
Employment agreement extension period	1 year

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Income Taxes

12 Months Ended

Dec. 31, 2014

Income Taxes

5. Income Taxes

Deferred income taxes reflect the net tax effects of temporary differences between the carrying amounts of assets and liabilities for financial reporting purposes and the amounts used for income tax purposes. Significant components of the Company’s deferred tax assets and liabilities as of December 31 are as follows:

	2014			2013
Deferred tax assets:
Employee benefits	$	1,440		$	1,757
Inventories		6,966			5,923
Goodwill		874			1,358
Other		2,942			4,438
Foreign losses		4,300			—
Foreign tax assets valuation allowance		(4,300	)		—
Total deferred tax assets		12,222			13,476
Deferred tax liabilities:
Depreciation		81,628			54,973
Foreign earnings		—			1,816
Total deferred tax liabilities		81,628			56,789
Net deferred tax liabilities	$	69,406		$	43,313

Foreign earnings in the table above are presented net of foreign tax credits of $0 and $5,019 as of December 31, 2014 and 2013, respectively, which are expected to be utilized upon repatriation of the foreign earnings. Benefits from foreign tax credits were not recognized in 2014 due to the uncertainty of the Company being able to realize the foreign tax assets associated with foreign investments.

Significant components of the provision for income taxes for the years ended December 31 are as follows:

	2014		2013		2012
Current:
Federal	$	11,310	$	27,188	$	37,596
State		500		2,164		2,268
Foreign		1,084		842		1,581
Total current		12,894		30,194		41,445
Deferred		24,389		10,121		11,212
	$	37,283	$	40,315	$	52,657

The reconciliation of income taxes computed at the U.S. statutory tax rate to the Company’s income tax expense for the years ended December 31 is as follows:

	2014						2013						2012
	Amount			Percent			Amount			Percent			Amount			Percent
U.S. statutory rate	$	32,505			35.0	%	$	43,820			35.0	%	$	55,507			35.0	%
State income taxes, net of federal tax benefit		1,882			2.0			2,097			1.7			2,199			1.4
Mining depletion		(3,035	)		(3.3	)		(2,751	)		(2.2	)		(2,606	)		(1.6	)
Foreign tax assets valuation allowance		4,300			4.6			—			—			—			—
Non-recognized benefit on foreign investments		2,980			3.2			—			—			—			—
Section 199 Manufacturing Benefit and other		(1,349	)		(1.4	)		(2,851	)		(2.3	)		(2,443	)		(1.6	)
	$	37,283			40.1	%	$	40,315			32.2	%	$	52,657			33.2	%

Provision has been made for deferred U.S. income taxes on all foreign earnings based on the Company’s intent to repatriate foreign earnings. The Company did not recognize benefits on foreign investments of $2,980 and recorded a $4,300 valuation allowance during the fourth quarter of 2014 due to the uncertainty of the Company being able to realize the foreign tax assets in light of current market conditions in China.

The Company elected to claim bonus tax depreciation totaling $61,781 on assets placed in service in the United States during 2014. This election reduced current taxable income, which reduced current income tax expense, increased deferred income tax expense, and reduced the Section 199 Manufacturing Benefit. The Company did not claim bonus depreciation on assets placed in service during 2013 or 2012.

The Company had a recorded reserve of $153 associated with uncertain tax positions as of December 31, 2014 and there were no significant changes to the recorded reserve during 2014. If these uncertain tax positions are recognized, substantially all of this amount would impact the effective tax rate. Related accrued interest and penalties are recorded in income tax expense and are not material.

The Company files its tax returns as prescribed by the tax laws of the jurisdictions in which it operates, the most significant of which are U.S. federal and certain state jurisdictions. The 2011 and subsequent tax years are still subject to examination. Various U.S. state jurisdiction tax years remain open to examination as well though the Company believes assessments, if any, would be immaterial to its consolidated financial statements.

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Shareholders' Equity

12 Months Ended

Dec. 31, 2014

Shareholders' Equity

6. Shareholders’ Equity

Common Stock

Holders of Common Stock are entitled to one vote per share on all matters to be voted on by shareholders and do not have cumulative voting rights. Subject to preferences of any Preferred Stock, the holders of Common Stock are entitled to receive ratably such dividends, if any, as may be declared from time to time by the Board of Directors out of funds legally available for that purpose. In the event of liquidation, dissolution or winding up of the Company, holders of Common Stock are entitled to share ratably in all assets remaining after payment of liabilities, subject to prior distribution rights of any Preferred Stock then outstanding. The Common Stock has no preemptive or conversion rights or other subscription rights. There are no redemption or sinking fund provisions applicable to the Common Stock. All outstanding shares of Common Stock are fully paid and non-assessable.

On January 20, 2015, the Board of Directors declared a cash dividend of $0.33 per share. The dividend was paid on February 16, 2015 to shareholders of record on February 2, 2015.

Preferred Stock

The Company’s charter authorizes 5,000 shares of Preferred Stock. The Board of Directors has the authority to issue Preferred Stock in one or more series and to fix the rights, preferences, privileges and restrictions thereof, including dividend rights, conversion rights, voting rights, terms of redemption, redemption prices, liquidation preferences and the number of shares constituting any series or the designation of such series, without further vote or action by the Company’s shareholders. In connection with adoption of a shareholder rights plan on February 13, 2002, the Company created the Series A Preferred Stock and authorized 2,000 shares of the Series A Preferred Stock. This shareholder rights plan expired in February 2012.

Common Stock Repurchase Program

On August 28, 2008, the Company’s Board of Directors authorized the repurchase of up to two million shares of the Company’s Common Stock. Shares are effectively retired at the time of purchase. During the years ended December 31, 2014, 2013 and 2012, the Company repurchased and retired 47,424, 75,000 and 60,000 shares respectively, at an aggregate price of $5,175, $5,833 and $5,727, respectively. As of December 31, 2014, the Company has repurchased and retired 2,000,000 shares at an aggregate price of $89,309.

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Earnings Per Share

12 Months Ended

Dec. 31, 2014

Earnings Per Share

8. Earnings Per Share

ASC Topic 260, “Earnings Per Share”, provides that unvested share-based payment awards that contain non-forfeitable rights to dividends or dividend equivalents (whether paid or unpaid) are participating securities and shall be included in the computation of earnings per share pursuant to the two-class method. The Company’s outstanding non-vested restricted stock awards are participating securities. Accordingly, earnings per common share are computed using the two-class method.

The following table sets forth the computation of basic and diluted earnings per share under the two-class method:

	2014			2013			2012
Numerator for basic and diluted earnings per share:
Net income	$	55,588		$	84,886		$	105,933
Effect of reallocating undistributed earnings of participating securities		(376	)		(530	)		(553	)
Net income available under the two-class method	$	55,212		$	84,356		$	105,380
Denominator:
Denominator for basic earnings per share—weighted-average shares		22,946,395			22,957,013			22,968,696
Effect of dilutive potential common shares		—			—			625
Denominator for diluted earnings per share—adjusted weighted—average shares		22,946,395			22,957,013			22,969,321
Basic earnings per share	$	2.41		$	3.67		$	4.59
Diluted earnings per share	$	2.41		$	3.67		$	4.59

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Sales to Customers (Tables)

12 Months Ended

Dec. 31, 2014

Schedule of Total Revenue from Major Customers

The following schedule presents customers from whom the Company derived 10% or more of total revenues for the years ended December 31:

	Major Customers
	A			B
2014		22.4	%		29.9	%
2013		13.1	%		34.7	%
2012		13.7	%		35.2	%

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Summary of Restricted Stock Activity and Related Information (Detail) (Restricted Stock Units (RSUs), USD $)	12 Months Ended
	Dec. 31, 2014
Restricted Stock Units (RSUs)
Shares
Beginning Balance	136,195
Granted	76,085
Vested	(59,533)
Forfeited	(5,258)
Ending Balance	147,489
Weighted-Average Grant-Date Fair Value
Beginning Balance	$ 90.50
Granted	$ 111.99
Vested	$ 94.70
Forfeited	$ 100.95
Ending Balance	$ 99.51

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Commitments

12 Months Ended

Dec. 31, 2014

Commitments

13. Commitments

In January 2011, the Company entered into an agreement with one of the Company’s existing suppliers to purchase from the supplier at least 70 percent of the annual kaolin requirements for the Eufaula plant at specified contract prices. The term of the agreement was three years, with options to extend for an additional six years. In May 2012, the agreement was amended to require the Company to purchase from the supplier at least 50 percent of the annual kaolin requirements for the Eufaula, Alabama plant at specified contract prices for the remainder of 2012 and the ensuing five calendar years. The agreement has options to extend the term for an additional three years. For the years ended December 31, 2014, 2013 and 2012, the Company purchased from the supplier $2,263, $3,788 and $3,012, respectively, of kaolin under the agreement.

In January 2003, the Company entered into a mining agreement with a contractor to provide kaolin for the Company’s McIntyre plant at specified contract prices, from lands owned or leased by either the Company or the contractor. The term of the agreement, which commenced on January 1, 2003, and remains in effect until such time as all Company-owned minerals have been depleted, requires the Company to accept delivery from the contractor of at least 80 percent of the McIntyre plant’s annual kaolin requirements. In 2006, the Company’s plant in Toomsboro, Georgia commenced operations and became part of this agreement. For the years ended December 31, 2014, 2013 and 2012, the Company purchased $14,823, $13,091 and $12,919, respectively, of kaolin under the agreement.

In July 2011, the Company entered into a new agreement with a supplier to provide hydro sized sand for the Company’s Marshfield, Wisconsin plant at a specified contract price. The term of the agreement was five years commencing on July 30, 2011 and required the Company to purchase a minimum of 40,000 tons and 100,000 tons of hydro sized sand during 2011 and 2012, respectively. Effective January 30, 2012, the agreement was amended and requires the Company to purchase a minimum of 150,000 tons of hydro sized sand annually during 2012 and 2013 and a minimum of 350,000 tons of hydro sized sand in 2014, all at a stated contract price. For the years ended December 31, 2014, 2013 and 2012, the Company purchased $6,922, $3,546 and $2,538, respectively, of sand under this agreement.

In May 2012, the Company entered into a new supply agreement to provide kaolin for the Company’s manufacturing plant in Millen, Georgia at specified contract prices, from lands owned or leased by either the Company or the contractor. The term of the agreement, which commenced in July 2014, has an initial term of five years with options to extend for an additional five years and requires the Company to accept delivery from the contractor of at least 50 percent of the Millen plant’s annual kaolin requirements. For the year ended December 31, 2014, the Company purchased $1,465 of kaolin under this agreement.

The Company has entered into a lease agreement dated November 1, 2008 with the Development Authority of Wilkinson County (the “Wilkinson County Development Authority”) and a lease agreement dated November 1, 2012 with the Development Authority of Jenkins County (the “Jenkins County Development Authority” and together with the Wilkinson County Development Authority, the “Development Authorities”) each in the State of Georgia. Pursuant to the 2008 agreement, the Wilkinson County Development Authority holds the title to the real and personal property of the Company’s McIntyre and Toomsboro manufacturing facilities and leases the facilities to the Company for an annual rental fee of $50 per year through the year 2022. Pursuant to the 2012 agreement, the Jenkins County Development Authority holds title to the real estate and personal property of the Company’s Millen, Georgia manufacturing facility, a portion of which is currently under construction, and leases the facility to the Company until the tenth anniversary of completion of the final phase of the facility. At any time prior to the scheduled termination of either lease, the Company has the option to terminate the lease and purchase the property for a nominal fee plus the payment of any rent payable through the balance of the lease term. Furthermore, the Company has security interests in the titles held by the Development Authorities. The Company has also entered into a Memorandum of Understanding (the “MOU”) with the Development Authorities and other local agencies, under which the Company receives tax incentives in exchange for its commitment to invest in the county and increase employment. The MOU with the Jenkins County Development Authority also requires the Company to pay an administrative payment of $50 per year during the term of the Millen lease. The Company is required to achieve certain employment levels in order to retain its tax incentives. In the event the Company does not meet the agreed-upon employment targets or the MOU is otherwise terminated, the Company would be subjected to additional property taxes annually. The properties subject to these lease agreements are included in Property, Plant and Equipment (net book value of $367,053 at December 31, 2014) in the accompanying consolidated financial statements.

The Company uses natural gas to power its domestic manufacturing plants. From time to time the Company enters into contracts to purchase a portion of the anticipated natural gas requirements at specified prices. As of December 31, 2014, the Company had natural gas contracts totaling $25,119, $20,142, $13,473 and $9,923 for years ended 2015, 2016, 2017 and 2018, respectively.

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Significant Accounting Policies (Policies)

12 Months Ended

Dec. 31, 2014

Principles of Consolidation

Principles of Consolidation

The consolidated financial statements include the accounts of CARBO Ceramics Inc. and its operating subsidiaries. All significant intercompany transactions have been eliminated.

Concentration of Credit Risk, Accounts Receivable and Other Receivables

Concentration of Credit Risk, Accounts Receivable and Other Receivables

The Company performs periodic credit evaluations of its customers’ financial condition and generally does not require collateral. Receivables are generally due within 30 days. The majority of the Company’s receivables are from customers in the petroleum pressure pumping industry. The Company establishes an allowance for doubtful accounts based on its assessment of collectability risk and periodically evaluates the balance in the allowance based on a review of trade accounts receivable. Trade accounts receivable are periodically reviewed for collectability based on customers’ past credit history and current financial condition, and the allowance is adjusted if necessary. Credit losses historically have been insignificant. The allowance for doubtful accounts at December 31, 2014 and 2013 was $1,842 and $2,083, respectively. Other receivables were $1,084 and $2,781 as of December 31, 2014 and 2013, respectively, of which related mainly to miscellaneous receivables in the United States and China.

Cash Equivalents

Cash Equivalents

The Company considers all highly liquid investments with a maturity of three months or less when purchased to be cash equivalents. The carrying amounts reported in the balance sheet for cash equivalents approximate fair value.

Inventories

Inventories

Inventories are stated at the lower of cost (weighted average) or market. Finished goods inventories include costs of materials, plant labor and overhead incurred in the production of the Company’s products and costs to transfer finished goods to distribution centers.

Due to increasing competition in the China proppant market, the Company evaluated the carrying values of its inventories in China and concluded that current market prices were below carrying costs. Consequently, the Company recognized $5,363 lower of cost or market adjustments in 2014 in cost of sales to adjust finished goods and raw materials carrying values to the lower market prices.

Property, Plant and Equipment

Property, Plant and Equipment

Property, plant and equipment are stated at cost. Repair and maintenance costs are expensed as incurred. Depreciation is computed on the straight-line method for financial reporting purposes using the following estimated useful lives:

Buildings and improvements	15 to 30 years
Machinery and equipment	3 to 30 years
Land-use rights	30 years

The Company holds approximately 4,235 acres of land and leasehold interests containing kaolin reserves near its plants in Georgia and Alabama. The Company also holds approximately 490 acres of land and leasehold interests near its resin-coating facility currently under construction in Marshfield, Wisconsin containing sand reserves for use as raw material in the production of its resin-coated sand products. The capitalized costs of land and mineral rights as well as costs incurred to develop such property are amortized using the units-of-production method based on estimated total tons of these reserves.

Impairment of Long-Lived Assets and Intangible Assets

Impairment of Long-Lived Assets and Intangible Assets

Long-lived assets to be held and used and intangible assets that are subject to amortization are reviewed for impairment whenever events or circumstances indicate their carrying amounts might not be recoverable. Recoverability is assessed by comparing the undiscounted expected future cash flows from the assets with their carrying amount. If the carrying amount exceeds the sum of the undiscounted future cash flows an impairment loss is recorded. The impairment loss is measured by comparing the fair value of the assets with their carrying amounts. Intangible assets that are not subject to amortization are tested for impairment at least annually by comparing their fair value with the carrying amount and recording an impairment loss for any excess of carrying amount over fair value. Fair values are generally determined based on discounted expected future cash flows or appraised values, as appropriate.

During 2014, the Company recorded losses totaling $15,079 on disposal or impairment of certain long-lived assets as market conditions changed with regard to demand for certain products offered by the Company. The Company evaluated its operations and reviewed the carrying values of related long-lived assets and concluded that certain assets had been impacted by the change in market conditions. As a result of deteriorating market conditions in China during the fourth quarter of 2014, the Company recorded an impairment charge of its long-lived assets in China. In addition, the Company made a decision that it will not move forward with construction of a resin coating plant in Marshfield, Wisconsin for which the Company had previously developed engineering plans and procured certain equipment that had long-lead delivery times. The related resin coating assets were classified as held for sale, and the Company recorded an impairment of those assets. As such, the Company recognized impairment charges totaling $15,120 to adjust the carrying values to the fair values less cost to sell, totaling $2,138, at December 31, 2014. During 2013, the Company recognized a gain of $43, and in 2012, the Company recognized a loss of $518 on disposal or impairment of various assets. The gain in 2013 consisted primarily of equipment disposals. The loss in 2012 consisted primarily of the wind down of the geotechnical monitoring business.

U.S. GAAP establishes a fair value hierarchy that has three levels based on the reliability of the inputs used to determine the fair value. These levels include: Level 1, defined as inputs such as unadjusted quoted prices in active markets for identical assets or liabilities; Level 2, defined as inputs other than quoted prices in active markets that are either directly or indirectly observable; and Level 3, defined as unobservable inputs for use when little or no market data exists, therefore requiring an entity to develop its own assumptions. The carrying value of related long-lived assets were adjusted to fair value less cost to sell based on estimates for similar used equipment, which are Level 3 inputs.

Capitalized Software

Capitalized Software

The Company capitalizes certain software costs, after technological feasibility has been established, which are amortized utilizing the straight-line method over the economic lives of the related products, generally not to exceed five years.

Goodwill

Goodwill

Goodwill represents the excess of the cost of companies acquired over the fair value of their net assets at the date of acquisition. Goodwill relating to each of the Company’s reporting units is tested for impairment annually as well as when an event, or change in circumstances, indicates an impairment is more likely than not to have occurred. The latest impairment review indicated goodwill was not impaired.

Revenue Recognition

Revenue Recognition

Revenue from proppant sales is recognized when title passes to the customer, generally upon delivery. Revenue from consulting and geotechnical services is recognized at the time service is performed. Revenue from the sale of fracture simulation software is recognized when title passes to the customer at time of shipment. Revenue from the sale of spill prevention services is recognized at the time service is performed. Revenue from the sale of containment goods is recognized at the time goods are delivered.

Shipping and Handling Costs

Shipping and Handling Costs

Shipping and handling costs are classified as cost of sales. Shipping costs consist of transportation costs to deliver products to customers. Handling costs include labor and overhead to maintain finished goods inventory and operate distribution facilities.

Cost of Start-Up Activities

Cost of Start-Up Activities

Start-up activities, including organization costs, are expensed as incurred. Start-up costs for 2014 related to the start-up of the new manufacturing facility in Millen, Georgia. There were no start-up costs during 2013. Start-up costs for 2012 primarily related to the start-up of the second resin-coating line at the Company’s New Iberia, Louisiana facility.

Use of Estimates

Use of Estimates

The preparation of financial statements in conformity with accounting principles generally accepted in the United States requires management to make estimates and assumptions that affect the amounts reported in the financial statements and accompanying notes. Actual results could differ from those estimates.

Research and Development Costs

Research and Development Costs

Research and development costs are charged to operations when incurred and are included in Selling, General and Administrative expenses. The amounts incurred in 2014, 2013 and 2012 were $10,855, $8,416 and $6,916, respectively.

Foreign Subsidiaries

Foreign Subsidiaries

Financial statements of the Company’s foreign subsidiaries are translated using current exchange rates for assets and liabilities; average exchange rates for the period for revenues, expenses, gains and losses; and historical exchange rates for equity accounts. Resulting translation adjustments are included in, and the only component of, Accumulated Other Comprehensive Loss as a separate component of shareholders’ equity.

New Accounting Pronouncements

New Accounting Pronouncements

In January 2015, the FASB issued ASU No. 2015-01, “Income Statement – Extraordinary and Unusual Items (Subtopic 225-20): Simplifying Income Statement Presentation by Eliminating the Concept of Extraordinary Items,” (“ASU 2015-01”) which eliminates the concept of extraordinary items from U.S. GAAP. ASU 2015-01 will be effective for the interim and annual periods beginning after December 15, 2015 with early adoption permitted. The adoption of ASU 2015-01 is not expected to have a material impact on the Company’s consolidated financial position, results of operations, cash flows, or related footnote disclosures.

In August 2014, the FASB issued ASU No. 2014-15, “Presentation of Financial Statements – Going Concern (Subtopic 205-40): Disclosure of Uncertainties about an Entity’s Ability to Continue as a Going Concern,” (“ASU 2014-15”) which provides guidance in U.S. GAAP about management’s responsibility to evaluate whether there is substantial doubt about an entity’s ability to continue as a going concern and to provide related footnote disclosures. ASU 2014-15 will be effective for the interim and annual periods beginning after December 15, 2016 with early adoption permitted. The adoption of ASU 2014-15 is not expected to have a material impact on the Company’s consolidated financial position, results of operations, cash flows, or related footnote disclosures.

In June 2014, the FASB issued ASU No. 2014-12, “Compensation – Stock Compensation (Topic 718): Accounting for Share-Based Payments When the Terms of an Award Provide That a Performance Target Could Be Achieved after the Requisite Service Period (a consensus of the FASB Emerging Issues Task Force),” (“ASU 2014-12”) which amends current guidance for stock compensation tied to performance targets. The amendments require that a performance target that affects vesting and that could be achieved after the requisite service period be treated as a performance condition and apply existing guidance in Topic 718 as it relates to awards with performance conditions that affect vesting to account for such awards. ASU 2014-12 will be effective for interim and annual periods beginning after December 15, 2015 with early adoption permitted. The adoption of ASU 2014-12 is not expected to have a material impact on the Company’s consolidated financial position, results of operations or cash flows.

In May 2014, the FASB issued ASU No. 2014-09, “Revenue from Contracts with Customers (Topic 606),” (“ASU 2014-09”) which amends current revenue guidance. The core principle of the guidance is that an entity should recognize revenue to depict the transfer of promised goods or services to customers in an amount that reflects the consideration to which the entity expects to be entitled in exchange for those goods or services. ASU 2014-09 will be effective for the interim and annual periods beginning after December 15, 2016 with no early adoption permitted. The Company is currently evaluating the potential impact, if any, of adopting this new guidance on the consolidated financial statements and related disclosures.

In April 2014, the FASB issued ASU No. 2014-08, “Presentation of Financial Statements (Topic 205) and Property, Plant, and Equipment (Topic 360): Reporting Discontinued Operations and Disclosures of Disposals of Components of an Entity,” (“ASU 2014-08”) which amends the reporting requirements of discontinued operations. The main provisions of the guidance require that a disposal of a component of an entity is required to be reported in discontinued operations if the disposal represents a strategic shift that has or will have a major effect on an entity’s operations and financial results. ASU 2014-08 will be effective for the interim and annual periods beginning after December 15, 2014 with early adoption permitted. The Company is currently evaluating the potential impact, if any, of adopting this new guidance on the consolidated financial statements and related disclosures.

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Shareholders' Equity - Additional Information (Detail) (USD $) In Thousands, except Share data, unless otherwise specified	12 Months Ended			76 Months Ended	0 Months Ended
	Dec. 31, 2014 Vote	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2014	Jan. 20, 2015	Feb. 13, 2002	Aug. 28, 2008	Jan. 31, 2015
Stockholders Equity Note [Line Items]
Common stock votes per share	1			1
Preferred stock, shares authorized	5,000	5,000		5,000
Shareholder rights plan, expiration period	2012-02
Repurchased and retired, aggregate price	$ 5,176	$ 5,834	$ 5,727
Series A Preferred Stock
Stockholders Equity Note [Line Items]
Preferred stock, shares authorized						2,000
Stock Repurchase Program
Stockholders Equity Note [Line Items]
Repurchased and retired, shares	47,424	75,000	60,000	2,000,000
Repurchased and retired, aggregate price	$ 5,175	$ 5,833	$ 5,727	$ 89,309
Stock Repurchase Program | Maximum
Stockholders Equity Note [Line Items]
Board of Directors authorized the repurchase of common stock							2,000,000
Subsequent Event
Stockholders Equity Note [Line Items]
Board of Directors authorized the repurchase of common stock								2,000,000
Subsequent Event | Dividend Declared
Stockholders Equity Note [Line Items]
Dividends declared per common share					$ 0.33
Cash dividend, date dividend paid					Feb. 16, 2015
Cash dividend, record date					Feb. 02, 2015

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Other Assets (Detail) (USD $) In Thousands, unless otherwise specified	Dec. 31, 2014	Dec. 31, 2013
Other Assets [Line Items]
Other Assets	$ 1,041	$ 445
Other Assets, Total	10,445	10,868
Bauxite raw materials | Inventories
Other Assets [Line Items]
Inventory, Raw Materials	9,404	9,949
Bauxite raw materials | Prepayments
Other Assets [Line Items]
Inventory, Raw Materials		$ 474

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CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2012
Net income	$ 55,588	$ 84,886	$ 105,933
Other comprehensive (loss) income:
Foreign currency translation adjustment	(17,952)	(2,031)	2,960
Deferred income tax (expense) benefit	(1,756)	710	(1,035)
Other comprehensive (loss) income, net of tax	(19,708)	(1,321)	1,925
Comprehensive income	$ 35,880	$ 83,565	$ 107,858

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Intangible and Other Assets

12 Months Ended

Dec. 31, 2014

Intangible and Other Assets

2. Intangible and Other Assets

Following is a summary of intangible assets as of December 31:

	Weighted Average Life	2014				2013
		Gross Amount		Accumulated Amortization		Gross Amount		Accumulated Amortization
Intangibles:
Patents and licenses, software and hardware designs	6 years	$	4,222	$	2,171	$	3,620	$	1,461
Developed technology	10 years		2,782		1,461		2,782		1,182
Customer relationships and non-compete	9 years		2,838		1,753		2,838		1,428
Trademark	Indefinite		833		—		833		—
		$	10,675	$	5,385	$	10,073	$	4,071

Amortization expense for 2014, 2013 and 2012 was $1,313, $1,173 and $1,224, respectively. Estimated amortization expense for each of the ensuing years through December 31, 2019 is $1,238, $700, $638, $565 and $279, respectively.

Following is a summary of other assets as of December 31:

	2014		2013
Other assets:
Bauxite raw materials:
Inventories	$	9,404	$	9,949
Prepayments		—		474
Other assets		1,041		445
	$	10,445	$	10,868

Bauxite raw materials are used in the production of heavyweight ceramic products. As of December 31, 2014 and 2013, the Company has classified as long-term assets those bauxite raw materials inventories that are not expected to be consumed in production during the upcoming twelve month period.

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Benefit Plans - Additional Information (Detail)	12 Months Ended
	Dec. 31, 2014
Defined Contribution Plan Disclosure [Line Items]
Percentage of participant directed contributions to benefit plans	100.00%
Maximum
Defined Contribution Plan Disclosure [Line Items]
Participants contribution percentage allowed to invest in Company's common stock	20.00%

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Significant Accounting Policies (Tables)

12 Months Ended

Dec. 31, 2014

Estimated Useful Lives of Property Plant and Equipment

Depreciation is computed on the straight-line method for financial reporting purposes using the following estimated useful lives:

Buildings and improvements	15 to 30 years
Machinery and equipment	3 to 30 years
Land-use rights	30 years

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Estimated Useful Lives of Property Plant and Equipment (Detail)	12 Months Ended
	Dec. 31, 2014
Building and Building Improvements | Minimum
Property, Plant and Equipment [Line Items]
Estimated useful lives of property plant and equipment	15 years
Building and Building Improvements | Maximum
Property, Plant and Equipment [Line Items]
Estimated useful lives of property plant and equipment	30 years
Machinery and Equipment | Minimum
Property, Plant and Equipment [Line Items]
Estimated useful lives of property plant and equipment	3 years
Machinery and Equipment | Maximum
Property, Plant and Equipment [Line Items]
Estimated useful lives of property plant and equipment	30 years
Land Use Rights | Average
Property, Plant and Equipment [Line Items]
Estimated useful lives of property plant and equipment	30 years

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Benefit Plans

12 Months Ended

Dec. 31, 2014

Benefit Plans

12. Benefit Plans

The Company has defined contribution savings and profit sharing plans pursuant to Section 401(k) of the Internal Revenue Code. Benefit costs recognized as expense under these plans consisted of the following for the years ended December 31:

	2014		2013		2012
Contributions:
Profit sharing	$	2,337	$	2,126	$	2,132
Savings		1,849		1,609		1,241
	$	4,186	$	3,735	$	3,373

All contributions to the plans are 100% participant directed. Participants are allowed to invest up to 20% of contributions in the Company’s Common Stock.