20220233 SSUUSTSTAAINAINABBILITILITY REY REPPORORTT Board of Directors reviewing the company’s annual audited and interim unaudited financial statements); the audit process; and the BoarBoard od of Dirf Dirececttororss Kiewit’s Board of Directors consists of 14 directors who independent auditor’s qualifications and independence. Message from Management serve annual terms. As a privately owned company, the The Audit Committee also is responsible for appointing the InIntternal Dirernal Dirececttororss Board consists of directors who are or were employed by company’s independent auditor, which in 2023 is KPMG Richard A. Lanoha 1. Overview Kiewit — internal directors — and also external directors. LLP. The Compensation Committee reviews and approves President and Chief Executive O昀昀icer Board Committees all compensation to be paid to employee-directors; and Bruce E. Grewcock About Kiewit reviews and approves the ownership of the company’s Sustainability at Kiewit The Board has an Audit Committee, a Compensation securities by the employee-directors. The Executive Chairman Our Projects Committee and an Executive Committee. The Audit Committee exercises, to the maximum extent permitted Kenneth E. Stinson Committee consists of two or more external directors by law, all powers of the Board between Board meetings, Chairman Emeritus 2. Governance to help the board fulfill its oversight responsibilities for except those functions assigned to specific committees. H.E. (Hank) Adams Corporate Governance the company’s financial reporting process (including Walter L. (Ben) Bentley Supply Chain David A. Flickinger William D. (Doug) Glaser 3. Environmental Gregory A. Hill Environmental Stewardship David J. Miles Greenhouse Gases & Thomas S. Shelby Energy Consumption 4. Social EExxtternal Dirernal Dirececttororss Neil W. Du昀昀in Health & Safety Diversity, Equity & Inclusion Lynn L. Elsenhans Talent & Workforce Michael R. McCarthy Development Douglas R. Oberhelman Community Engagement Appendix 22222222