Investor Presentaiton

35 Strong balance sheet with attractive long-term debt maturity profile¹ $M $1,200 $1,000 $800 $600 $400 $200 APS Long-Term Debt PNW Long-Term Debt $0 2022 2024 2026 2028 2030 2032 2034 2036 2038 2040 2042 2044 2046 2048 2050 As of March 31, 2022 1 Does not include debt at Bright Canyon Energy. PINNACLE WEST CAPITAL CORPORATION

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