EXHIBIT 99.1 KBR Announces First Quarter Fiscal 2024 Financial Results Strong Q1 2024 Performance Adjusted EBITDA2 Growth with Margin Expansion HOUSTON, TX - April 30, 2024 - KBR, Inc. (NYSE: KBR) today announced its first quarter fiscal 2024 financial results. "KBR's extraordinary team has yet again surpassed expectations, delivering outstanding first-quarter results," said Stuart Bradie, KBR's President and CEO. "Our team's unwavering commitment to our customers has led to year-over-year increases across ...