KBR — May 5, 2026 release

In connection with the planned separation, certain perimeter changes were implemented in fiscal 2026 to better align the businesses ahead of the spin‑off, including the transition of Frazer‑Nash Consultancy and the UK Civil Nuclear portfolio to Sustainable Technology Solutions. The planned spin‑off is intended to be tax‑free to KBR and its shareholders for U.S. federal income tax purposes and is targeting completion on January 4, 2027, which is the first business day of fiscal 2027, subject to final approval by KBR’s Board of Directors and other customary conditions. Additional details regarding the spin off transaction are available on the Investor Relations section of KBR's website at investors.kbr.com/news-and-events/spin-off-information . Conference Call Details The company will host a conference call to discuss its first quarter fiscal 2026 results on Tuesday, May 5, 2026, at 7:30 a.m. Central Time. 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 shortly after the call on KBR’s 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 long-term operations and maintenance services to ensure consistent delivery with predictable results. At K