20220233 SSUUSTSTAAINAINABBILITILITY REY REPPORORTT Message from Management 1. Overview About Kiewit Sustainability at Kiewit Strategies Our Projects ■ Screen suppliers against social and 2. Governance Supply Chain environmental criteria ■ Outline vendor, supplier and Corporate Governance subcontractor expectations in a Vendor Supply Chain ObjecObjectivtive:e: Ensur Ensure re responsibleesponsible This team of 400 professionals provides expertise to Code of Conduct enenvirvironmenonmenttal and social pral and social pracacticestices develop and maintain strong relationships with vendors, ■ Provide diverse, small and local business 3. Environmental wiwithin our supply chainthin our supply chain troubleshoot issues e昀昀iciently and share knowledge to enterprises an equal opportunity to Environmental Stewardship support all of Kiewit’s projects across North America. participate in the performance of our Our projects are supported by thousands of suppliers, clients' projects Greenhouse Gases & subcontractors and vendors each year. Kiewit Supply Kiewit is committed to conducting business with Energy Consumption the highest integrity and in compliance with all Network manages the supply chain for goods and 4. Social services needed for our operations, from highly applicable laws. Health & Safety technical equipment and materials to o昀昀ice supplies. Our Vendor Code of Conduct (VCC) outlines the of all tiers, and each of their respective employees Diversity, Equity & Inclusion expectations for vendors, suppliers and subcontractors and any other third parties involved with the execution Talent & Workforce of Kiewit’s work. Development Our intent is to provide diverse, small and local Community Engagement 2023 Metrics business enterprises an equal opportunity to participate in the performance of our clients’ projects. Appendix 12% Our commitment to supplier diversity provides $1,068,055,756 Percentage of overall the structure to ensure that all available business Spent with DBE firms — U.S. spend that went enterprises have an equal opportunity to compete to DBE firms for and participate in the work on the project. 23232323