OUR ENVIRONMENTAL COMMITMENT Managing Our Environmental Footprint We are committed to reducing our environmental We are proud to source all our fuel domestically from footprint by striving to incorporate improvements to major petroleum suppliers and integrated advanced our design specifications to improve energy efficiency biofuel providers. Approximately 87% of the fuel we where possible. Although this is just the beginning sell is blended with renewable fuel, either ethanol or of our sustainability journey, we already have made biodiesel, at varying proportions across all our stores. several notable achievements. Renewable Fuel Operations at Our Stores Fuel Type 87E E-15 E-85 Biodiesel Blend of 10% Blend of 15% Blend of 85% Renewable, Description ethanol and ethanol and ethanol and clean-burning 90% gasoline 85% gasoline 15% gasoline alternative for regular diesel FY 2022 FY 2021 FY 2022 FY 2021 FY 2022 FY 2021 FY 2022 FY 2021 Number of Stores 2,428 2,237 403 370 400 342 1,047 966 % of Total Stores 100% 100% 17% 17% 16% 15% 43% 43% 48 Casey’s 2022 ESG Report