Leonardo DRS, Inc.

Item 5.05 Amendments To The Registrant’S Code Of Ethics, Or Waiver Of A Provision Of The Code Of Ethics On July 15, 2026, the Board of Directors (the “Board”) of Leonardo DRS, Inc. (the “Company”), on recommendation of the Nominating and Corporate Governance Committee, approved and adopted a new Code of Ethics and Business Conduct (“Code of Conduct”). The Code of Conduct is applicable to all directors, officers and employees of the Company and its subsidiaries, including but not limited to the Company’s principal executive officer, principal financial officer, and principal accounting officer. The new Code of Conduct replaces the Company’s previous Code of Ethics and Business Conduct in its entirety, updating the prior Code of Ethics and Business Conduct to reflect current compliance best practices, streamline and clarify existing provisions, reduce complexity and improve readability, and to make other non-substantive administrative and stylistic enhancements. The adoption by the Board of the new Code of Conduct did not result in any explicit or implicit waiver with respect to any director, officer or employee of the Company from any provision of the prior Code of Ethics and Business Conduct. The new Code of Conduct becomes effective as of July 17, 2026. The foregoing description of the amendment and restatement of the Code of Conduct does not purport to be complete and is qualified in its entirety by reference to the full text of the Code of Conduct, which is available on the “Investor Relations - Governance” section of the Company’s website at www.leonardodrs.com. The contents of the Company’s website are not incorporated by reference in this Current Report on Form 8-K.