KBR — Feb 24, 2025 release

Management has provided the following assumptions related to fiscal year 2025 guidance: • Adjusted weighted average common shares outstanding: ~133 million • Depreciation & amortization: ~$165 million (includes ~$45 million purchased intangibles amortization) • Capital expenditures: ~$50 - 65 million • Effective tax rate: 25% - 27% • Adjusted EPS phasing: 47% 1H / 53% 2H Conference Call Details The company will host a conference call to discuss its fourth quarter and fiscal year 2024 results on Monday, February 24, 2025, at 3:00 p.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: 718317. About KBR We deliver science, technology and engineering solutions to governments and companies around the world. KBR employs approximately 38,000 people worldwide with customers in more than 80 countries and operations in over 29 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 1 As used throughout this release, book-to-bill excludes long-term UK PFIs and the Plaquemines LNG project. Bookings and options exclude long-term UK PFIs and the Plaquemines LNG project. 2 As used throughout this earnings re