PNW shareholders approve 3.08M share increase to incentive plan, extend term to 2033

Item 5. The appointment of Deloitte & Touche LLP as independent accountant for the year ending December 31, 2023 was ratified, with the following votes cast: FOR AGAINST ABSTAIN 93,545,999 7,637,172 236,365

Item 1. The nominees listed below were elected directors with the respective votes set forth opposite their names: FOR WITHHELD BROKER NON-VOTE Glynis A. Bryan 92,350,002 930,035 8,139,499 Gonzalo A. de la Melena, Jr. 92,204,001 1,076,036 8,139,499 Richard P. Fox 90,933,051 2,346,986 8,139,499 Jeffrey B. Guldner 89,349,665 3,930,372 8,139,499 Kathryn L. Munro 88,679,500 4,600,537 8,139,499 Bruce J. Nordstrom 87,791,045 5,488,992 8,139,499 Paula J. Sims 91,982,503 1,297,534 8,139,499 William H. Spence 92,313,775 966,262 8,139,499 Kristine L. Svinicki 92,580,738 699,299 8,139,499 James E. Trevathan, Jr. 92,265,250 1,014,787 8,139,499

Item 6. The shareholder proposal requesting the Company to adopt a policy and amend the governing documents as necessary to separate the role of Chairman and Chief Executive Officer was not approved, with the following votes cast: FOR AGAINST ABSTAIN BROKER NON-VOTE 21,966,421 70,819,948 493,668 8,139,499

Item 4. The First Amendment to the 2021 Plan was approved, with the following votes cast: FOR AGAINST ABSTAIN BROKER NON-VOTE 86,109,782 6,783,889 386,366 8,139,499

Item 3. The advisory vote on the frequency of the advisory vote on executive compensation favored an annual vote, with the following votes cast: 1 YEAR 2 YEARS 3 YEARS ABSTAIN BROKER NON-VOTE 91,241,199 171,888 1,628,973 237,977 8,139,499

Item 2. The advisory resolution to approve executive compensation, as disclosed in the Proxy Statement, was approved, with the following votes cast: FOR AGAINST ABSTAIN BROKER NON-VOTE 88,057,257 4,873,328 349,452 8,139,499