Core & Main, Inc.

Orvin T. Kimbrough has been an independent Board member of the Company since July 2021 and served as a member of the board of Holdings from September 2020 until July 2021. Mr. Kimbrough has served on the board of Midwest BankCentre since 2015, became its CEO in 2019 and has been its Chairman of the board since January 2020. He also currently serves on the board of Korte Construction. He previously served on the board of NuSource Financial. Previously, Mr. Kimbrough served as President and CEO of United Way of Greater St. Louis from 2014 to 2019. Mr. Kimbrough holds a B.S.W. in Social Work from the University of Missouri-Columbia, an M.S.W. (Program Planning and Administration) from the University of Missouri-Columbia, an M.B.A. from the University of Missouri-St. Louis and an M.A. in Theology from the Aquinas Institute of Theology. Mr. Kimbrough is a valuable member of our Board because of his broad experience across multiple industries as well as his extensive board experience.

Stephen O. LeClair has served as Executive Chair of the Company since March 31, 2025. Prior to his appointment as Executive Chair, Mr. LeClair served as CEO of the Company from July 2021, of Holdings from August 2019, and of Opco from 2014. Mr. LeClair has served as a Board member of the Company since July 2021 and Chair of the Board since February 2024. He also served as a member of the board of Holdings from August 2019 until July 2021 and of OpCo from August 2017 until August 2019. Previously, he served as Chief Operating Officer of HD Supply Waterworks from 2008 to 2012. In 2005, Mr. LeClair joined HD Supply and served as President of HD Supply Lumber and Building Materials from 2007 to 2008. His previous experience also includes 15 years at General Electric Company (“GE”) in various positions of increasing responsibility, including Senior Vice President, Marketing & Product Management at GE Equipment Services and Retail Business Development Leader at GE Appliances. Mr. LeClair is an Independent Director on the Board of AAON Inc. (NASDAQ: AAON) Mr. LeClair holds a B.S. in Mechanical Engineering from Union College and an M.B.A. from the University of Louisville. Mr. LeClair is a valuable member of our Board because of his significant experience in the industrial and distribution industries and mergers and acquisitions, as well as his deep knowledge of our industry and day-to-day business and operations.

Margaret M. Newman has been an independent Board member of the Company since July 2021 and served as a member of the board of Opco from August 2017 until August 2019 and Holdings from August 2019 until July 2021. Ms. Newman has served as Chief People Officer of BrandSafway since July 2019. Ms. Newman previously served as the Chief Human Resources Officer of Keurig Dr. Pepper, Inc. from 2017 to 2019 and as the Chief People Officer of HD Supply from 2007 to 2017. At HD Supply, Ms. Newman helped guide that company through several mergers and acquisitions, strategic divestitures and an initial public offering. Before joining HD Supply, Ms. Newman held key Human Resources roles in Conseco Insurance and Sears Roebuck & Company. Ms. Newman currently serves as a director of Artera Services, LLC (formerly PowerTeam Services, LLC). Ms. Newman holds a B.A. in Psychology from Coe College and an M.A. in Social Work from the University of Wisconsin-Milwaukee. Ms. Newman is a valuable member of our Board because of her extensive experience as a human resources professional and her experience integrating merger and acquisitions transactions.