Press Release

HOUSTON Ð July 6, 2017 Ð KBR, Inc. (NYSE: KBR) announced today that KBR's global government services business, KBRwyle, has been awarded a $48 million three-year follow-on task order by the U.S. Army. KBRwyle will provide engineering, Foreign Military Sales (FMS), and project management support to Department of Defense (DoD) missile defense systems on the cost-plus-fixed-fee task order under the Defense Technical Information Center's Defense Systems Technical Area Task (DSTAT) contract.

KBRwyle's work will include system engineering, test, product engineering, diagnostics, FMS case support, and associated program management for the Army's Lower Tier Project Office (LTPO) at Redstone Arsenal in Huntsville, Alabama. KBRwyle will assist in integrating the PATRIOT Missile Defense system with the Missile Defense Agency's Ballistic Missile Defense System and the Army's Integrated Air and Missile Defense system. The company performed similar work under a previous contract for the LTPO.

"KBRwyle has a legacy of providing exceptional technical services to U.S. missile defense programs," said Byron Bright, KBRwyle President. "KBRwyle has supported the U.S. Army in enhancing battle space performance against evolving threats for almost 38 years. We are pleased to have the opportunity to continue to be a part of this important mission."

Revenue associated with this project is estimated to be USD $48 million and will be booked into backlog of unfilled orders for KBR's Government Services Business Segment in the second quarter of 2017.

About KBR, Inc.

KBR is a global provider of differentiated professional services and technologies across the asset and program life cycle within the Government Services and Hydrocarbons sectors. KBR employs over 34,000 people worldwide (including our joint ventures), with customers in more than 80 countries, and operations in 40 countries, across three synergistic global businesses:

• Government Services, serving government customers globally, including capabilities that cover the full life-cycle of defense, space, aviation and other government programs and missions from research and development, through systems engineering, test and evaluation, program management, to operations, maintenance, and field logistics
• Technology & Consulting, including proprietary technology focused on the monetization of hydrocarbons (especially natural gas and natural gas liquids) in ethylene and petrochemicals; ammonia, nitric acid and fertilizers; oil refining; gasification; oil and gas consulting; integrity management; naval architecture and proprietary hulls; and downstream consulting
• Engineering & Construction, including onshore oil and gas; LNG (liquefaction and regasification)/GTL; oil refining; petrochemicals; chemicals; fertilizers; differentiated EPC; maintenance services (Brown & Root Industrial Services); offshore oil and gas (shallow-water, deep-water, subsea); floating solutions (FPU, FPSO, FLNG & FSRU) and program management

KBR is proud to work with its customers across the globe to provide technology, value-added services, integrated EPC delivery and long term operations and maintenance services to ensure consistent delivery with predictable results. At KBR, We Deliver.

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Forward Looking Statement

The statements in this press release that are not historical statements, including statements regarding future financial performance, are forward-looking statements within the meaning of the federal securities laws. These statements are subject to numerous risks and uncertainties, many of which are beyond the company's control that could cause actual results to differ materially from the results expressed or implied by the statements. These risks and uncertainties include, but are not limited to: the outcome of and the publicity surrounding audits and investigations by domestic and foreign government agencies and legislative bodies; potential adverse proceedings by such agencies and potential adverse results and consequences from such proceedings; the scope and enforceability of the company's indemnities from its former parent; changes in capital spending by the company's customers; the company's ability to obtain contracts from existing and new customers and perform under those contracts; structural changes in the industries in which the company operates; escalating costs associated with and the performance of fixed-fee projects and the company's ability to control its cost under its contracts; claims negotiations and contract disputes with the company's customers; changes in the demand for or price of oil and/or natural gas; protection of intellectual property rights; compliance with environmental laws; changes in government regulations and regulatory requirements; compliance with laws related to income taxes; unsettled political conditions, war and the effects of terrorism; foreign operations and foreign exchange rates and controls; the development and installation of financial systems; increased competition for employees; the ability to successfully complete and integrate acquisitions; and operations of joint ventures, including joint ventures that are not controlled by the company.

KBR's most recently filed Annual Report on Form 10-K, any subsequent Form 10-Qs and 8-Ks, and other Securities and Exchange Commission filings discuss some of the important risk factors that KBR has identified that may affect the business, results of operations and financial condition. Except as required by law, KBR undertakes no obligation to revise or update publicly any forward-looking statements for any reason.For further information, please contact:

Investors
Nelson Rowe
Senior Vice President, Investor Relations
713-753-5082
Investors@kbr.com

Media
Marit Babin Stout
Vice President, Global Communications & Government Relations
713-753-3800
Mediarelations@kbr.com