Press Release

HOUSTON – November 2, 2021- KBR (NYSE: KBR) announced today that it has received a three-year extension for KBR INSITE® monitoring and advisory services by PT Panca Amara Utama (PAU) for its Banggai ammonia plant in Luwuk, Indonesia. Banggai was the first ammonia plant in Indonesia commissioned using KBR’s first PurifierPlus™ technology.

Under the terms of the contract, KBR will continue to provide its cloud-based INSITE services to proactively and remotely monitor plant operations, diagnose probable root causes for abnormal events, and recommend corrective actions based on deep-domain expertise to prevent events from progressing to unplanned shutdowns or undesired emissions.

“We are honored to continue our partnership with PAU for enabling the digital transformation of this plant,” said Jay Ibrahim, KBR President, Sustainable Technology Solutions. “KBR has provided remote monitoring and decision support services to PAU from the start-up stages and this extended collaboration will further enhance the overall reliability, production and energy efficiency of the plant. We aim to accelerate PAU’s digitalization journey and scale-up the overall plant operations, while also helping achieve its sustainability goals with a focus on reducing carbon emission and minimizing energy usage.”

KBR combines deep process domain expertise, operations and maintenance know how, and digital technologies to offer a holistic portfolio of solutions that enable companies to improve operational performance by reducing emissions, improving energy-efficiency, and increasing production while reducing OPEX.

About KBR

We deliver science, technology and engineering solutions to governments and companies around the world. KBR employs approximately 29,000 people worldwide with customers in more than 80 countries and operations in 40 countries.

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

Visit www.kbr.com

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 significant adverse impacts on economic and market conditions of the COVID-19 pandemic and the company's ability to respond to the resulting challenges and business disruption; the recent dislocation of the global energy market;; the company's ability to manage its liquidity; 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; 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; the possibility of cyber and malware attacks; 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
Alison Vasquez
Vice President, Investor Relations
713-753-5082
Investors@kbr.com

Media
Philip Ivy
Vice President, Global Communications and Marketing
713-753-3800
MediaRelations@kbr.com