20220233 SSUUSTSTAAINAINABBILITILITY REY REPPORORTT Environmental Stewardship Message from Management ObjecObjectivtive:e: Conduc Conduct our business in an ent our business in an envirvironmenonmenttally susally susttainable mannerainable manner Strategies ■ Track all environmental incidents and 1. Overview The projects we build are found in urban, suburban Our corporate environmental leadership, environmental evaluate environmental incident trends About Kiewit and rural areas across the U.S., Canada and Mexico. managers across North America, and on-site to use lessons learned to improve Each new location has its own unique surroundings, environmental specialists on every project lead these environmental training and performance Sustainability at Kiewit Our Projects from open fields to dense neighborhoods. We take our e昀昀orts and work to train all employees to ensure they ■ Improve tracking water use and reuse on role as environmental stewards seriously, and work to understand rules, regulations and expectations for our projects and in our o昀昀ices 2. Governance understand our surroundings on each new site. our work. We frequently engage third-party experts ■ Improve tracking waste generation and We’re diligent in our e昀昀orts to build responsibly to support our internal environmental professionals. disposal on our projects and in our o昀昀ices Corporate Governance Supply Chain and monitor the impacts of our work. We track all Their expertise on sensitive environmental matters, ■ Complete project waste diversion studies environmental incidents, evaluate trends and use like endangered species protection, helps ensure we each year 3. Environmental these lessons to improve our training and ultimately operate responsibly. ■ Coordinate environmental stewardship our overall performance. We continue to improve our volunteer activities in our communities Environmental Stewardship Our focus on environmental stewardship also extends Greenhouse Gases & data collection processes to improve understanding to our o昀昀ice facilities. We continue to identify and ■ Manage o昀昀ice recycling programs Energy Consumption of our environmental performance and identify demonstrate opportunities to improve our operating ■ Manage project recycling programs opportunities for continuous improvement. Further, e昀昀iciencies and minimize the environmental footprint ■ Minimize the use of single-use plastics in 4. Social under the company's environmental compliance of our o昀昀ice operations. our o昀昀ices Health & Safety program, we conduct annual reviews of company ■ Pilot the use of recycled materials on our Diversity, Equity & Inclusion projects and facilities. construction projects Talent & Workforce Development Community Engagement Appendix 3131