X0508 4 2026-03-09 0 0001856525 Core & Main, Inc. CNM 0002060011 Bradbury Robyn L C/O CORE & MAIN, INC. 1830 CRAIG PARK COURT ST. LOUIS MO 63146 0 1 0 0 Chief Financial Officer 0 Class A Common Stock 2026-03-09 4 F 0 270 49.96 D 8285 D Class A Common Stock 2026-03-10 4 F 0 205 49.38 D 8080 D Class A Common Stock 22 I By LLC Represents shares withheld by the Issuer for tax withholding purposes upon the vesting of a portion of restricted stock units granted to the reporting person. Represents securities held by Core & Main Management Feeder, LLC ("Management Feeder") in respect of common units ("Units") of Management Feeder held directly by the reporting person. Pursuant to the Fourth Amended and Restated LLC Agreement of Management Feeder, dated as of February 13, 2024, such vested Units held by the reporting person are redeemable at the discretion of the reporting person for shares of Class A common stock, on a one-for-one basis. /s/ Mark Whittenburg, as Attorney-in-Fact for Robyn L. Bradbury 2026-03-11