KBR · Kbr, Inc.

Second Quarter Fiscal 2026 Results (All comparisons against the second quarter fiscal 2025 unless noted.) Revenues of $2.0 billion, up 2% Net income attributable to KBR of $96 million, up 32%; Operating income of $172 million, down 11% with an Operating income margin of 8.7% Adjusted EBITDA 2 of $258 million, up 7% with an Adjusted EBITDA 2 margin of 13.0% Diluted EPS attributable to KBR of $0.75, up 34% Adjusted EPS 2 of $0.99, up 9% Bookings and options 1 of $1.8 billion with 1.1x book-to-bill 1 Second Quarter YTD Fiscal 2026 Results (All comparisons against the second quarter YTD fiscal 2025 unless noted.) Revenues of $3.9 billion, down 2% due to expected EUCOM contingency runoff Net income attributable to KBR of $198 million, up 5%; Operating income of $352 million, down 11% with an Operating income margin of 9.0% Adjusted EBITDA 2 of $509 million, up 4% with an Adjusted EBITDA 2 margin of 13.0% Diluted EPS attributable to KBR of $1.55, up 8% Adjusted EPS 2 of $1.95, up 2%

HOUSTON, April 21, 2026 (GLOBE NEWSWIRE) - KBR (NYSE: KBR) announced today its Mission Technology Solutions division entered a strategic alliance with AI-driven defense tech company Tagup to accelerate the delivery of advanced AI solutions across U.S. military operations, modernizing readiness and using digital tools for analyzing data that provides outputs for decisions in seconds. The collaboration strengthens KBR’s long-standing technology-powered support for the Department of War by integrating Tagup’s Manifest® platform into KBR’s global logistics mission sets. Initial deployments of Manifest® for U.S. ground equipment operations are expected to dramatically reduce planning time and increase maintenance throughput. Manifest is an AI-powered decision engine that combines human expertise with Tagup’s Generative Reinforcement Learning™ technology to simulate and optimize logistics operations. The platform enhances KBR’s ability to help customers optimize constrained resources,

HOUSTON, April 06, 2026 (GLOBE NEWSWIRE) - KBR (NYSE: KBR) announced today that it will host a conference call to discuss its first quarter financial results on May 5, 2026, at 7:30 a.m. Central Time (8:30 a.m. Eastern Time). The company plans to issue its first quarter 2026 earnings release and earnings presentation in advance of the call. Both will be available on KBR’s website. The conference call will be webcast simultaneously through the Investor Relations section of KBR’s website at investors.kbr.com . A replay of the webcast will be available after the call on our website or by telephone at +1 866 813 9403, passcode: 808352. About KBR We deliver science, technology and engineering solutions to governments and companies around the world. KBR employs approximately 36,000 people worldwide with customers in more than 85 countries and operations in over 28 countries. KBR is proud to work with its customers across the globe to provide technology, value-added services, and

HOUSTON, April 02, 2026 (GLOBE NEWSWIRE) - KBR‘s (NYSE: KBR) Mission Technology Solutions business is delivering critical services to support astronauts on NASA’s Artemis II mission as they embark on their journey around the moon – the first human mission beyond low-Earth orbit since Apollo 17 in 1972. From inside Mission Control, KBR teams are providing real-time monitoring and control of spacecraft systems and astronaut health, helping to ensure crew safety and the success of this landmark endeavor. KBR teams are working alongside NASA throughout mission execution, supporting the crew during their 10-day journey. The work is being performed under longstanding KBR contracts that support NASA’s human spaceflight portfolio. “Artemis II highlights the durability and strategic importance of KBR’s human spaceflight portfolio,” said Mark Kavanaugh, KBR’s President, Defense, Intel and Space. “The mission demonstrates our proven ability using our Speed to Mission Impact SM to deliver complex

HOUSTON, March 23, 2026 (GLOBE NEWSWIRE) - KBR (NYSE: KBR) today announced a strategic investment in UK-based Applied Computing, marking a significant step forward in KBR’s AI driven growth strategy. As part of the investment, KBR has also secured a board position in the company. The investment strengthens KBR’s commitment to delivering advanced, explainable artificial intelligence solutions that improve operational efficiency, safety, and sustainability across the energy, chemical, and industrial sectors. Together, the companies will accelerate the development of new digital products and expand AI capabilities across KBR’s global technology portfolio. KBR and Applied Computing have also entered into a multi-year joint development agreement to co-create exclusive AI products for the energy sector. The companies will integrate Applied Computing’s proprietary Orbital foundational model with KBR’s licensed process technologies, domain expertise in capital projects and supply chains to