X0508 4 2025-05-15 0001833756 Leonardo DRS, Inc. DRS 0001850774 Lynn William III C/O LEONARDO DRS, INC., 2345 CRYSTAL DR. ARLINGTON VA 22202 1 1 Chief Executive Officer 1 Common Stock 2025-05-15 4 S 0 45000 40.77 D 322382 D The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on August 27, 2024. The price reported is a weighted average price. These shares were sold in multiple transactions at prices ranging from $40.27 - $41.07, inclusive. The Reporting Person undertakes to provide upon request by the Commission staff, the Company or a security holder of the Company, full information regarding the number of shares sold at each separate price. /s/ Katherine A. Krebel, Attorney-in-Fact 2025-05-16