Press Release

HOUSTON (July 25, 2018) KBR, Inc. (NYSE: KBR) announced today that its global government services business, KBRwyle, has been awarded a $36.5 million task order by the U.S. Air Force Installation Contracting Agency (AFICA) to provide sustainment engineering support to the 414th Supply Chain Management Squadron.

KBRwyle's work will support the LGM-30G Minuteman III Intercontinental Ballistic Missile (ICBM) and all associated ground and support equipment. This work will help ensure these missile systems remain available to the Air Force warfighter. The ICBM is a key element of the nation's strategic deterrent forces.

KBRwyle will perform scientific and technical analyses and make recommendations related to Reliability, Maintainability, Quality, Supportability, and Interoperability (RMQSI), nuclear surety, safety, life cycle management, failure testing, and diminishing manufacturing sourcing issues. It will also conduct research and development on flaw detection and corrosion resistance.

This work will be primarily performed at Hill Air Force Base in Utah, as well as other locations around the U.S. The task order award period is 51 months.

"KBRwyle has helped the military for decades to develop, field and sustain missile and space systems that are essential to national security," said Byron Bright, President, KBR Government Services U.S. "Our missile expertise combined with our sustainment engineering capabilities will enable us to assist the 414th Supply Chain Management Squadron in meeting its mission."

The Air Force awarded this cost-plus-fixed-fee task order under the DoD's Information Analysis Center's (IAC) Defense Systems Technical Area Task (DSTAT) multi-award contract. KBRwyle won a seat on the DSTAT contract in June 2014.

Specializing in high impact, mission critical services, KBRwyle is a top systems engineering and integration provider to the U.S. armed forces, and has supported more than 200 military weapons systems.,/

Estimated revenue associated with this contract award will be booked into the backlog of unfilled orders for KBR's Government Services business segment.

About DoD IAC Program

The DoD IAC program operates as a part of Defense Technical Information Center and provides technical data management and research support for DoD and federal government users. Established in the 1940s, the IAC program serves the DoD science & technology (S&T) and acquisition communities to drive innovation and technological developments by enhancing collaboration through integrated scientific and technical information development and dissemination for the DoD and broader S&T community.

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 approximately 34,000 people worldwide (including our joint ventures), with customers in more than 75 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, 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 and gasification
• Hydrocarbons Services, 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); program management and consulting services

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 U.S. 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
Brenna Hapes
External Global Communications
713-753-3800
,Mediarelations@kbr.com