20220233 SSUUSTSTAAINAINABBILITILITY REY REPPORORTT 2023 Progress ■ We continued to refine our processes for tracking this was done on an ad hoc basis. We have already 2023 Metrics Message from Management charitable donation data and continue to improve identified continued areas for improvement for the accuracy of this reporting. this process to make reporting quick and easy to 1. Overview ■ We held our first formal Kiewit Volunteers Month in encourage more reporting. $1$10.0.11 About Kiewit September. Read more on Pg. 81 about this initiative ■ We continued supporting the Kiewit Design-Build MILLIONMILLION Sustainability at Kiewit and some of the ways our employees volunteered in Program at University of Colorado Boulder and the charitable contributions from their communities. Kiewit Scholars programs at University of Nebraska- Kiewit Corporation and Kiewit Our Projects Lincoln, Purdue University and Iowa State University. Companies Foundation ■ We formalized a process that allows all employees to report company-sponsored volunteerism. Previously, Read more about these programs and their collective This figure is inclusive of all contributions made to 2. Governance impact on Pg. 88. 501(c)3 organizations, and to colleges and universities. Corporate Governance The figure includes donations made by the Kiewit Supply Chain Companies Foundation — a 501(c)(3), as well as Employees in Omaha volunteer at a diaper bank corporate sponsorships, and additional donations from 3. Environmental Kiewit project and office teams. College and university contributions include those made as part of our Thurgood Environmental Stewardship Marshall College Fund partnership, Kiewit Scholars, Greenhouse Gases & Women in Kiewit and Legacy Diversity Scholarships Energy Consumption programs, and through other commitments. 4. Social Health & Safety Diversity, Equity & Inclusion Talent & Workforce Development Community Engagement Appendix 80808080