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PINNACLE WEST CAPITAL CORP

For the period ended May 14, 2026. Filed Apr 3, 2026.

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About this filing

What shareholders are asked to vote on at a company's meeting. It is where to find what directors and top executives are paid, and who owns the most shares.

May 14, 2026 · Filed Apr 3, 2026

PNW$104.22+0.4%Stored close · as of Nov 6, 2026
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Contents

The Value We Create

Proxy Statement SummaryTable of Contents

The Value We Create

The APS PromiseOur Priorities
Our PurposeAs Arizona stewards, we do what is right for the people and prosperity of our state.Our VisionCreate a sustainable energy future for Arizona.Our MissionServe our customers with safe, reliable, and affordable energy.How we will execute our Mission to achieve our Vision.
Our priority areas of focus for our business over the next five years:•Creating grid expansion options to meet accelerating demand;•Transforming our investment recovery mechanisms to address regulatory lag and ensure new large customers pay their fair share of system growth; and•Growing the talent and capabilities required to lead the industry through rapid change.
Our Principles
The culture and behaviors that will enable us to fulfill our Purpose, Vision, and Mission:Design for Tomorrow•Innovate with Courage •Navigate Risk•Learn and ImproveEmpower Each Other•Build Trust•Embrace Diverse Perspectives •Challenge Respectfully Succeed Together•Unite as One Team•Own the Outcome•Pursue ExcellenceStrategy and Targets
Our strategy and targets that guide resources and efforts to address our priorities: Business Plan — describes how each business area and employee supports executing our strategy.Performance Ambitions — defines the business priorities for how we both “run” and “change” the business and to guide allocation of company resources. Tiered Metrics — measures the results of how well we are running the business and foundational to achieving our strategic objectives.Performance Management — recognizes and rewards the individual contributions to priority work.

4 | 2026 Proxy Statement

ContentsView on SEC.gov

The text of this filing, as the company filed it with the SEC, without its images or exhibits. This is not investment advice.