Executive leadership to outline strategy and long-term outlook during live 8:30 a.m. ET webcast

Western Alliance Bancorporation (NYSE: WAL) will host its 2026 Investor Day on Tuesday, May 12, in New York, bringing together members of the company’s executive leadership team to discuss its strategy, operating priorities and long-term outlook.

Webcast and presentation availability

The May 12 event will be webcast live beginning at 8:30 a.m. Eastern Time and will be available via the company’s Investor Day website at https://westernalliance2026ird.q4web.com/.

Investor Day presentation materials will be furnished on Form 8‑K prior to the start of the event at 8:30 a.m. Eastern Time on Tuesday, May 12, and will also be available on the company’s website at https://investors.westernalliancebancorporation.com, under Events and Presentations. A replay of the webcast will be posted to the site following the conclusion of the event.

Management discussion of strategy and long-term outlook

During the program, President and Chief Executive Officer Kenneth A. Vecchione, Chief Financial Officer Vishal Idnani and other senior leaders will provide an overview of Western Alliance’s business model, growth platforms, capital and risk management approach and strategic priorities, followed by a question-and-answer session.

“Western Alliance’s first Investor Day reflects our commitment to transparency and long-term shareholder value creation,” said Kenneth A. Vecchione. “It provides an opportunity to clearly articulate what differentiates our bank, how our strategy has delivered consistent performance and why we believe our diversified business model positions us for continued success and ongoing innovation.”

For additional information, please contact Western Alliance Bancorporation Investor Relations at WAInvestorDay@westernalliancebank.com.

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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