Exhibit

Statements we make in this Conflict Minerals Report (this "Report"), which express a belief, expectation or intention, as well as those that are not historical fact, are forward-looking statements, including statements relating to our compliance efforts and expected actions identified under the "Steps to be Taken" section of this Report. These forward-looking statements are subject to various risks, uncertainties and assumptions, including, among other things, our ability to implement improvements in our conflict minerals program and identify and mitigate related risks in our supply chain. If one or more of these or other risks materialize, actual results may vary materially from those expressed. For a more complete discussion of these and other risk factors, see our other filings with the Securities and Exchange Commission ("SEC"), including our Annual Report on Form 10-K for the year ended December 31, 2016 and subsequent quarterly reports on Form 10-Q. BWX Technologies, Inc. cautions not to place undue reliance on these forward-looking statements, which speak only as of the date of this report, and we undertake no obligation to update or revise any forward-looking statement, except to the extent required by applicable law.

This Report for the year ended December 31, 2016 (the "Reporting Period") is presented to comply with Rule 13p-1 (the "Rule") under the Securities Exchange Act of 1934, as amended (the "Exchange Act"). This Rule, through Form SD, imposes certain reporting obligations on public companies that manufacture or contract to manufacture products containing conflict minerals that are necessary to the functionality or production of their products. Form SD defines "conflict minerals" as cassiterite, columbite-tantalite, gold, wolframite and their derivatives, which are currently limited to tin, tantalum and tungsten. We identified tin, tantalum, tungsten and gold ("3TG") that are necessary to the functionality or production of certain products that we manufactured or contracted to manufacture during the Reporting Period.

BWX Technologies, Inc. is a specialty manufacturer of nuclear components and a service provider with an operating history of more than 100 years. During the Reporting Period, we operated in three reportable segments: Nuclear Operations, Technical Services and Nuclear Energy. Beginning with the quarter ended March 31, 2017, we changed our reporting segments and now report in the following three reportable segments: Nuclear Operations Group, Nuclear Services Group and Nuclear Power Group. In order to align this Report with the structure of our compliance activities for the Reporting Period, references in this Report to our operating segments will be to the reporting segments in effect for the year ended December 31, 2016.

Our core businesses focus on the design, engineering and manufacture of precision naval nuclear components, reactors and nuclear fuel for the U.S. Government. We also provide uranium processing and environmental site restoration services, as well as a variety of products and services to customers in the nuclear power industry. While we provide a wide range of products and services, our business segments are heavily focused on major projects. At any given time, a relatively small number of projects can represent a significant part of our operations.

On June 30, 2015, we completed the spin-off of our former Power Generation business (the "spin-off") into an independent, publicly traded company named Babcock & Wilcox Enterprises, Inc. ("BWE"). The separation was effected through a pro rata distribution of 100% of BWE's common stock to BWXT's stockholders. Concurrent with the spin-off, The Babcock & Wilcox Company was renamed BWX Technologies, Inc. and BWE has operated as a separate, publicly traded company since that time.

We conducted an analysis of our products to determine which of our products were likely to contain 3TG. We have identified 3TG in certain of our products within our Nuclear Operations and Nuclear Energy segments that are necessary to the functionality or production of products that we manufactured or contracted to manufacture during the Reporting Period. We have also determined that none of the products we manufacture or contract to manufacture in our Technical Services segment contain 3TG.

Through our Nuclear Operations segment, we engineer, design and manufacture precision naval nuclear components and reactors for the U.S. Department of Energy ("DOE")/National Nuclear Security Administration's ("NNSA") Naval Nuclear Propulsion Program.

Our Nuclear Operations segment specializes in the design and manufacture of close-tolerance and high-quality equipment for nuclear applications. In addition, we are a leading manufacturer of critical nuclear components, fuels and assemblies for government and limited other uses. We are also the largest domestic supplier of research reactor fuel elements for colleges, universities and national laboratories. We also convert or downblend high-enriched uranium into low-enriched fuel for use in commercial reactors to generate electricity and have over 100 years of experience in supplying components for defense applications.

Through this segment, we design, license, manufacture and deliver commercial nuclear steam generators, pressure vessels, reactor components, heat exchangers and other auxiliary equipment, including containers for the storage of spent nuclear fuel. This segment is also a significant supplier to nuclear power utilities undergoing major refurbishment projects and has supplied over 300 pressurized water reactor steam generators worldwide, as well as other critical plant components. In addition, this segment offers a full spectrum of services for steam generators and balance of plant equipment, as well as nondestructive examination and tooling/repair solutions for other plant systems and components. This segment also offers engineering and licensing services for new nuclear plant designs.

Our operations use materials, such as carbon and alloy steels in various forms and components and accessories for assembly, which are available from numerous sources. We generally purchase materials and components as needed for individual contracts.

As noted above, we manufacture a variety of products for which materials included in those products may differ from year to year. These products are highly complex, typically containing thousands of parts from many suppliers throughout the world. We may purchase the same materials from multiple different suppliers and distributors. These suppliers and distributors often obtain their materials from lower tier suppliers. Accordingly, our supply chain is deep and identifying the ultimate source of materials supplied to us is difficult. We rely on our direct suppliers to work with their suppliers to provide information on the smelters and origin of the 3TG contained in components and materials supplied to us.

During the Reporting Period, our compliance efforts included both our U.S. and non-U.S. locations. For each of the products (or subassemblies) that we identified as containing 3TG necessary to their functionality or production, we identified the suppliers that provided the materials comprising each of these products. We specifically identified each supplier that provided the materials containing the 3TG, as the 3TG in these products and related supplier base was limited.

Additionally, we validated our scoping conclusions from prior years to determine if any new products or materials containing 3TG should be added to our compliance efforts. Following this validation, we compiled a list of 24 suppliers we identified as providing 3TG in products we manufacture or contract to manufacture.

We utilized the Conflict Free Sourcing Initiative's conflict minerals reporting template (the "CFSI Template") to survey the suppliers identified through the procedures above on their sourcing of the 3TG that we identified in our products. The CFSI template was developed to facilitate disclosure and communication of information regarding smelters that provide material to a company's supply chain. It includes questions regarding a direct supplier's conflict minerals policy, its due diligence process, and information about its supply chain such as the names and locations of smelters and refiners as well as the origin of 3TG used by those facilities.

We have designed our due diligence procedures to conform, in all material respects, with the due diligence framework presented by the Organization for Economic Co-operation and Development ("OECD") in the publication OECD (2013) Due Diligence Guidance for Responsible Supply Chains of Minerals from Conflict-Affected and High-Risk Areas: Second Edition, OECD Publishing and the related Supplements for gold and for tin, tantalum and tungsten.

We commissioned a Conflict Minerals Working Group comprised of individuals in management positions across the legal, finance, procurement and internal audit functions at the segment and corporate level. This Working Group is led by members of our senior leadership team. The Conflict Minerals Working Group governs our conflict minerals compliance effort and is responsible for providing guidance and direction for the implementation of our conflict minerals program, as well as specific tasks relevant to their respective functional areas.

We do not typically have a direct relationship with smelters and refiners. However, we have controls in place designed to uphold our core values and ethical standards in all interactions with customers, vendors, suppliers, shareholders, fellow employees and others.

These controls include a Code of Business Conduct that outlines expected behaviors for all employees, vendors and independent contractors. This Code of Business Conduct is publicly available on our website within the "Investor Relations" section under "Corporate Governance." To this end, anyone can utilize our Integrity Line as detailed in our Code of Business Conduct to proactively report a violation of our Code or policies, including our conflict minerals policy and related program efforts.

We have communicated with suppliers potentially affected by our Conflict Minerals Policy and compliance efforts as identified through our RCOI process our expectation that they assist us in complying with our efforts related to our conflict minerals program, including obtaining information to support chain of custody of the 3TG identified in our products. We have provided suppliers access to our Conflict Minerals Policy through the website above or upon request. In addition, we have developed internal protocols and procedures for engaging with suppliers who fail to comply, or inadequately comply, with our conflict minerals compliance efforts.

We surveyed 24 suppliers whom we identified as potentially providing materials or components containing 3TG supporting our manufacturing operations during the Reporting Period. Of these, over 87% responded to our survey requests, the majority of which through a CFSI template.

We reviewed survey responses that we received to determine which of them required further engagement based on our risk assessment parameters. All completed surveys and other responses were reviewed for completeness and consistency of information. We performed further due diligence and engagement with suppliers as necessary based upon our risk assessment parameters to obtain additional information, complete information or clarification. Also, if a supplier responded at the product level that they were sourcing 3TG from the DRC Region and provided a smelter list, we verified that the smelters they identified as sourcing 3TG from the DRC Region were certified conflict-free through the CFSI. For those suppliers in which we did not receive a response, we sent secondary inquiries to request that a response be provided. Ultimately, we are relying on supplier responses to provide us with the information about the source of 3TG contained in the components supplied to us.

We report our findings annually to the Conflict Minerals Working Group prior to the issuance of Form SD and this Report. We also report any significant due diligence findings to the Conflict Minerals Working Group as they arise (for example, if we find that we source 3TG that directly or indirectly finances or benefits armed groups, or are under the control of armed groups, in the DRC Region). At this time, we have found no instance where it was necessary to implement risk mitigation efforts as a result of a supplier's response to our information request.

In addition to our annual survey process and due diligence efforts, we have adopted a Risk Management and Corrective Action Plan to manage risks related to changes in products or suppliers and to proactively mitigate the risks of conflict minerals entering into our supply chain through the following procedures:

We do not typically have a direct relationship with smelters and refiners and therefore do not perform or direct audits of these entities. However, we will rely on third party assurances and certifications, for example, through the Conflict Free Sourcing Initiative's Conflict-Free Smelter Program.

Given that we do not have established relationships with the ultimate smelters and refiners from which the 3TG in our products is sourced, we have determined that requesting our suppliers to complete the CFSI Template represents our good faith effort to determine the mines or locations of origin of 3TG in our supply chain.

us. Only five of our suppliers identified a smelter list in their CFSI template at the product level and the product list included in one supplier's survey response encompassed many more products than those we purchase from the supplier. As our suppliers are otherwise largely unable to provide us with the information necessary to determine country of origin at the product level, or failed to provide information on their smelters or refiners, we are unable to provide additional smelter and refiner names and country of origin of the necessary 3TG in this report at this time. We will continue to work with our suppliers to obtain smelter information at the product level.


•	Established conflict minerals policy: BWXT's conflict minerals policy sets the expectation that all suppliers will implement policies and procedures to support BWXT's efforts to comply with the conflict minerals rule; and


•	Instituted contract language: BWXT has developed contract language echoing the sentiment of the conflict minerals policy, and this language has been and will continue to be distributed to suppliers.


•	Continuing to work with suppliers to increase our response rate and improve the content of responses to assist in our RCOI process and our efforts to determine the processing facilities for and country of origin of our 3TG with the greatest specificity possible;


•	BWXT will leverage its supplier on-boarding and maintenance process to determine supplier conflict minerals applicability for their products;


•	Developing a master smelter list based on our RCOI process and associated due diligence; and


•	Further refining our strategy to respond to identified risk, including but not limited to, potential action to be taken against suppliers that do not respond to our requests or do not provide reasonable information to support our due diligence activities.