Pinnacle West/Arizona Public Service file investor presentation for August 2025 meetings

ARIZONA PUBLIC SERVICE CO

Presentation titled 'Renewed, Reliable and Resilient' furnished as Exhibit 99.1.
Deck used in meetings with securities analysts and investors in August 2025.
No specific financial guidance, earnings updates, or material operational changes disclosed in the filing.
The investor handout is provided under Regulation FD disclosure rules.

item 7.01item 9.01

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