20220233 SSUUSTSTAAINAINABBILITILITY REY REPPORORTT Message from Management 1. Overview About Kiewit Sustainability at Kiewit Our Projects 2. Governance Corporate Governance Supply Chain 3. Environmental Environmental Stewardship Greenhouse Gases & 2023 Progress Energy Consumption ■ We continued to improve our data collection • 49 SUVS ■ We’re analyzing our tier 1 and tier 2 fixed facilities 4. Social processes for greenhouse gas emissions. See Pg. 42 to better understand the age and e昀昀iciencies of our • 21 electric utility task vehicles Health & Safety for more detail on how we improved data collection building systems. This includes assessing HVAC, processes in 2023. • 1 electric mini excavator mechanical and roofs for potential replacement, Diversity, Equity & Inclusion Talent & Workforce ■ We continued to partner with equipment suppliers • 1 lattice boom crawler crane which could lead to improved energy e昀昀iciencies. Development on the proper application of alternative-fueled ■ We continued to identify and demonstrate ■ In Omaha, Nebraska, we acquired a new o昀昀ice facility Community Engagement equipment, including battery electric, hydrogen and opportunities to operate equipment e昀昀iciently and formerly occupied by another company. On Pg. 37, advanced biofuels. See Pg. 44 for more examples of find other innovative operations solutions, to reduce read how we are prioritizing sustainability – including Appendix how we applied alternative-fueled equipment in our emissions and other environmental impacts. Specific energy e昀昀iciency – as we move employees into this organization in 2023. Our fleet of electric equipment examples are described on Pg. 43. new building. units as of the end of 2023 is shown here. ■ We're incorporating many sustainable features in our • 45 pickup trucks new building in Lenexa, Kansas, campus, including • 75 portable electric light plants solar panels and electric vehicle supply equipment. 4141