KBR, Inc. filed a Current Report on Form 8-K with the Securities and Exchange Commission on October 13, 2026, announcing that its Board of Directors has amended and restated the company’s bylaws. The effective date for these changes is October 13, 2026, and the document was signed on October 16, 2026, by Sonia Galindo, the company’s Executive Vice President, General Counsel & Corporate Secretary.

The primary changes to the Amended and Restated Bylaws include:

The full text of the Amended and Restated Bylaws is attached to the filing as Exhibit 3.1.