Pinnacle West files routine 8-K for September investor meetings; exhibit content not available

PINNACLE WEST CAPITAL CORP

Pinnacle West and Arizona Public Service filed a combined 8-K for September 2026 analyst/investor meetings.
Handouts attached as Exhibit 99.1; the exhibit text provided is truncated and contains no financial figures.
No earnings, guidance, or material operational updates are disclosed in the filing body.
Filing signed by Andrew Cooper, SVP and CFO, for both registrants.

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