20220233 SSUUSTSTAAINAINABBILITILITY REY REPPORORTT Message from Management 1. Overview About Kiewit Sustainability at Kiewit Our Projects Genera Sustainable Biomaterials Rodeo Renewable Fuels Facility, South Fork Offshore 2. Governance Campus, Tennessee California Wind, New York Corporate Governance In 2023, TIC - The Industrial Company, a subsidiary Cherne Contracting Corporation, a subsidiary of Kiewit Construction of the first American-built o昀昀shore wind Supply Chain of Kiewit Corporation, was announced as the engineering, Corporation, is the primary general contractor for the substation was completed at the Kiewit O昀昀shore Services procurement and construction contractor for the expansion Rodeo Renewable Fuels project. To meet the growing facility in Ingleside, Texas in 2023. The 1,500-ton, 60-foot 3. Environmental of Genera's existing Sustainable Biomaterials Campus. demand for renewable fuels, the client is converting a tall structure then traveled across the Gulf of Mexico and Environmental Stewardship refinery into one of the world’s largest renewable fuels up to the East Coast for installation at the South Fork The 150,000-square-foot expansion will increase plants, with the capacity to produce 800 million gallons Wind project site. The substation now resides on a Greenhouse Gases & manufacturing, production and distribution operations of per year of renewable diesel, gasoline and sustainable monopile foundation within the wind farm, collecting Energy Consumption Genera’s circular, compostable packaging solutions and aviation fuel. This project will reduce the plant’s greenhouse power produced by the wind turbines and connecting it biomaterials. The expansion will provide space for more gas emissions by 50% to enable the client to meet local to the grid. 4. Social than 60 robotic thermoforming machines, autonomously regulations and standards. South Fork Wind is the first completed utility-scale o昀昀shore Health & Safety guided vehicles and automated packaging lines. Diversity, Equity & Inclusion The project scope includes constructing new facilities wind farm in federal waters and will be New York’s first The sustainable packaging is for food and consumer for renewable feedstocks handling, pre-treatment and o昀昀shore wind farm. It can power 70,000 New York homes Talent & Workforce products, retail and food service. The products are treatment, reconfiguring hydro-processing, utilities and each year with clean energy. Development created from locally grown regenerative grasses instead Community Engagement tankage. Mass. Electric Construction Co., a subsidiary of of plastic alternatives. Kiewit Corporation, is also involved on the project. Appendix FIRSFIRSTT Read more about Rodeo Renewable Fuels Facility AMERICAMERICAN-BUILAN-BUILTT in Kieways OFFOFFSHORESHORE WIND WIND SUBSSUBSTTAATIONTION 11111111