Pinnacle West Capital Corporation and its subsidiary Arizona Public Service Company filed a current report announcing the issuance of debt securities. The offering consists of $100 million principal amount of 5.50% Notes due in 2035 and $600 million principal amount of 6.25% Notes due in 2056, totaling $700 million in new debt. The filing includes the underwriting agreement dated August 10, 2026, and supplemental indentures governing the notes. Estimated issuance expenses, excluding underwriting discounts, are approximately $1.81 million, with rating agency fees comprising the largest portion at $1.6 million. Pinnacle West Capital Corporation operates as a utility holding company in the electric utility industry.

Pinnacle West Capital Corporation filed an 8-K to disclose investor presentation materials for meetings scheduled in August 2026. The filing provides no new material corporate actions, financial results, or governance changes. Pinnacle West Capital Corporation is a utility holding company that owns Arizona Public Service Company, which operates as the largest electric provider in Arizona.

Pinnacle West Capital Corporation entered into an Equity Distribution Agreement on August 4, 2026, establishing a sales agreement with multiple financial institutions to sell shares of its common stock. The company may offer and sell up to $500,000,000 in aggregate gross sales price of shares from time to time through at-the-market offerings or forward sale agreements. Managers receive commissions of up to 1% of the gross sales price. Net proceeds are intended for capital expenditures at Arizona Public Service Company, repayment of commercial paper, and general corporate purposes. Pinnacle West Capital Corporation operates as a utility holding company primarily owning Arizona Public Service Company.

Pinnacle West Capital Corporation reported second-quarter 2026 consolidated net income attributable to common shareholders of $178.6 million, or $1.43 per diluted share, compared to $192.6 million, or $1.58 per diluted share, in the prior year period. The decline was primarily driven by higher interest charges, increased depreciation and amortization, and lower transmission service revenues, partially offset by favorable weather impacts, customer growth, and decreased operations and maintenance expenses. For full-year 2026, the company maintains its earnings guidance of $4.55 to $4.75 per diluted share on a weather-normalized basis. Pinnacle West Capital Corporation operates in the electric utility industry as a holding company providing retail electricity service through its subsidiary Arizona Public Service.