Pinnacle West said it will participate in various meetings with securities analysts and investors in October 2026 and will use handouts at those meetings. The handouts are attached as Exhibit 99.1.

1. 01

   Pinnacle West said it will participate in various meetings with securities analysts and investors in October 2026 and will use handouts at those meetings. The handouts are attached as Exhibit 99.1.

2. 02

   The company presented O&M guidance showing O&M of $955 in 2024, $978 in 2025, and $970 to $980 in 2026 (in millions). It also said core O&M remains flat with a rapidly growing customer base.

3. 03

   The company presented APS total capital expenditures of $10.35B for 2025–2028, and in its 2026–2028 financing plan showed total capital investment of approximately $8.0B, PNW equity of $1.0B to $1.2B, and APS debt of $2.6B to $2.9B.

4. 04

   In its 2025 APS rate case overview, the company presented total revenue requirement of $692, adjustor transfers of $(83), and net revenue increase of $609 (in millions), and said the customer net revenue impact on day 1 is 14.69%.

Analysis scope · Filing body and confirmed press-release exhibitWe analyzed the filing body and confirmed exhibits. This is not a review of other exhibits, investor presentations or the full earnings call.

AI summarized the filing and translated the summary into English; it may differ from the original. For reference only, not investment advice. AI translated the published Korean report into English. Figures are copied as filed, not recalculated.

Original filing

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