APPENDIX Sustainability Disclosure Topics and Accounting Metrics: Food Retailers & Distributors and Oil & Gas — Refining & Marketing Topic Accounting Metric SASB Code FY 2022 FY 2021 (1) Total fresh water withdrawn, (2) percentage recycled and (3) percentage EM-RM-140a.1 Water in regions with high or extremely high baseline water stress See Waste and Water Management Number of incidents of noncompliance associated EM-RM-140a.2 with water quality permits, standards and regulations Hazardous Amount of hazardous waste generated; percentage recycled EM-RM-150a.1 See Waste and Water Materials (1) Number of underground storage tanks (USTs), (2) number of UST 1) 7,348 1) 6,642 Management releases requiring cleanup, and (3) percentage in states with U.S. financial EM-RM-150a.2 2) 1 2) 0 assurance funds 3) 100% 3) 100% 1) 0.75 1) 2.81 (1) Total recordable incident rate (TRIR), (2) fatality rate, and (3) near-miss EM-RM-320a.1 2) 0 2) 1 Workforce frequency rate (NMFR) for (a) full-time employees and (b) contract employees 3) We do not track 3) We do not track Health & Safety NMFR at this time NMFR at this time Discussion of management systems used to integrate a culture of safety EM-RM-320a.2 See Team Member Health and Safety Percentage of renewable volume obligation (RVO) met through (1) production Product of renewable fuels and (2) purchase of “separated” renewable identification EM-RM-410a.1 Specifications & numbers (RINs) See Managing Our Environmental Footprint Clean Fuel Blends Total addressable market and share of market for EM-RM-410a.2 advanced biofuels and associated infrastructure Pricing Integrity Total amount of monetary losses as a result of legal EM-RM-520a.1 0 0 & Transparency proceedings associated with price fixing or price manipulation Management Discussion of corporate positions related to government regulations of the Legal and/or policy proposals that address environmental and social factors EM-RM-530a.1 See Business Ethics and Compliance & Regulatory affecting the industry Environment Process safety event (PSE) rates for loss of primary containment EM-RM-540a.1 Not applicable: Casey’s does not operate (LOPC) of greater consequence (Tier 1) and lesser consequence (Tier 2) any oil and gas production facilities. Critical Not applicable: Casey’s does not operate Incident Risk Challenges to safety systems indicator rate (Tier 3) EM-RM-540a.2 any oil and gas production facilities. Management Discussion of measurement of operating discipline and EM-RM-540a.3 Not applicable: Casey’s does not operate management system performance through Tier 4 indicators any oil and gas production facilities. 56 Casey’s 2022 ESG Report

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