APS Regional Energy Overview

LO 5 Leading ESG Practices Guide Our Approach - Snapshot Environmental One of two North American electric utility to achieve CDP Leadership scores for Water and Climate¹ MSCI ESG "AA" rating² Reduced carbon by 32% since 2005 and retired over 1,000 MW of coal Social Launched new diversity, equity and inclusion strategy 44% of new hires ethnically or racially diverse Commitment to support Coal Community Transition Plan Governance 36% of independent directors gender or ethnically diverse ESG executive council Board oversight of strategy and risk 1Pinnacle West is only one of two North American electric utility companies to achieve leadership scores in both climate change and water security out of the 140-plus electric utilities that were scored through CDP's questionnaires in 2021, with nearly 12,000 companies being scored in total. 2 Report dated April 27, 2021. PINNACLE WEST CAPITAL CORPORATION

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