Investor Presentaiton

Our Strong Governance Enables Successful Execution 24 Board Independence • Ten of our eleven Board members are independent . Robust Board refreshment, with director retirement policy • . Board Oversight EUR USD 2,5386 3,7762 2,3574 MARGIN 59 25 USD © Feto Mirth BUY 36538 SELL 45762 Order volume 1873 952 0000 Defined oversight of environmental, social and governance practices by the Corporate Governance and Public Responsibility Committee Robust management succession planning Board oversight of strategy and risk PINNACLE WEST CAPITAL CORPORATION

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