Western Alliance Bancorporation : Management Change/Compensation - Form 8-K

ITEM 5.02. Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers.

On April 22, 2024, the Board of Directors (the "Board") of Western Alliance Bancorporation (the "Company") appointed Greta Guggenheim, Christopher A. Halmy and Mary Chris Jammet as directors of the Company, effective immediately, by expanding the Board to sixteen directors. Each of Mss. Guggenheim and Jammet and Mr. Halmy will serve until the 2024 annual meeting of stockholders, which is scheduled to be held on June 12, 2024, and will stand for election at that meeting. After review and determination of each of Mss. Guggenheim's and Jammet's and Mr. Halmy's qualifications and independence, effective as of May 1, 2024, each of Mss. Guggenheim and Jammet and Mr. Halmy are appointed to the Board Committees as follows: Ms. Guggenheim to the Risk Committee and the Finance and Investment Committee; Mr. Halmy to the Audit Committee and the Finance and Investment Committee; and Ms. Jammet to the Compensation Committee and the Audit Committee. Mss. Guggenheim and Jammet and Mr. Halmy will also serve on the Board of Directors of Western Alliance Bank.

There are no arrangements or understandings between any of Mss. Guggenheim and Jammet and Mr. Halmy and any other person pursuant to which any of them was appointed as a director, and there are no transactions between any of Mss. Guggenheim and Jammet and Mr. Halmy and the Company that would require disclosure under Item 404(a) of Regulation S-K.

Each of Mss. Guggenheim and Jammet and Mr. Halmy will be entitled to the standard compensation provided to the Company's non-employee directors, as most recently described in the Company's proxy statement filed with the Securities and Exchange Commission on April 27, 2023, and as updated from time to time.