Board recognizes CEO's effective leadership as Bruce Beach returns to role of Lead Independent Director

Western Alliance Bancorporation (NYSE:WAL) the parent company of Western Alliance Bank, announced today that Kenneth A. Vecchione, President and Chief Executive Officer, has been appointed Chairman of its Board of Directors, effective as of June 10, 2026. Mr. Vecchione succeeds Bruce Beach, who will continue to serve as a Director and return to the role of Lead Independent Director, which he held from 2010 to 2022.

"Ken has led the company through a number of important milestones in the company's history during the past eight years as CEO and in two separate tenures as President," Beach said. "His stewardship has been instrumental in navigating our growth from a small, regionally focused bank to one of the largest commercial banking companies in the U.S. We appreciate his continued commitment to the company and are excited he has agreed to assume this expanded role on our Board of Directors."

"Bruce brings deep institutional knowledge and proven leadership to the Lead Independent Director role," said Don Snyder, Chair of the Board's Nominating and Corporate Governance Committee. "The independent directors have strong confidence in his ability to provide effective oversight and support the Board's continued focus on performance and accountability."

Mr. Vecchione was appointed CEO in April 2018 after rejoining the Company in July 2017 as President. He has served in a variety of executive roles in large financial institutions over the past 36 years along with a number of board directorships, including the past 19 years as a Director of Western Alliance.

"It has been my honor to lead Western Alliance through a significant growth period as it has developed into a larger, diversified franchise," Vecchione said. "As discussed at our recent, inaugural Investor Day, I am proud of the foundation we have built and am eager to lead us through the next phase of our growth and evolution. We are well-positioned to continue generating strong financial results for our shareholders and serving the needs of our extensive client base. I also want to thank Bruce for his four years of service as our Chairman. I appreciate his counsel and am grateful he will continue to serve the Company as a Lead Independent Director."

About Western Alliance Bancorporation

Western Alliance Bancorporation (NYSE:WAL) is one of the country's top-performing banking companies. Its primary subsidiary, Western Alliance Bank, Member FDIC, is a leading national bank for business that puts customers first, delivering tailored business banking solutions and consumer products backed by outstanding, personalized service and specific expertise in more than 30 industries and sectors. With over $90 billion in assets and offices nationwide, Western Alliance has ranked as a top U.S. bank by American Banker and Bank Director since 2016. In 2025, Western Alliance Bancorporation was #2 for Best CEO, Best CFO and Best Company Board of Directors on Extel's All-America Executive Team Mid-Cap Banks list. For more information on offerings, subsidiaries and affiliates, visit www.westernalliancebank.com.

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Media Contact:

Nicole Johnson, 602.502.9470

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Investors:

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Western Alliance Appoints CEO Kenneth Vecchione as Chairman