Company: WAL-PA
Filing Date: 2025-04-23
Form Type: DEF 14A
Source: 0000950170-25-057334
Chunk: 1

Company: WESTERN ALLIANCE BANCORPORATION
Filing Date: 2025-04-23
Form: DEF 14A
Chunk 1
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. You will need information from your Notice of Internet Availability or proxy card, as applicable, to submit your proxy. |     | Mail(if you request to receive your proxy materials by mail): by marking your vote on your proxy card, signing your name exactly as it appears on your proxy card, dating your proxy card, and returning it in the envelope provided. |

By order of the Board of Directors, Jessica Jarvi Secretary Phoenix, Arizona April 23, 2025 Important Notice Regarding the Availability of Proxy Materials for the Stockholder Meeting to be Held on June 11, 2025: This proxy statement, along with our annual report on Form 10-K for the fiscal year ended December 31, 2024, are available free of charge online at www.proxydocs.com/WAL. We first mailed the Notice of Internet Availability of Proxy Materials containing instructions on how to access our proxy materials over the internet to our stockholders on or about April 23, 2025.

| 2025 PROXY STATEMENT | i |

About Western Alliance Bancorporation With more than $80 billion in assets at fiscal year-end 2024, Western Alliance Bancorporation (NYSE: WAL) (the “Company, "we" "us" or "our") is one of the country’s top-performing banking companies. Our primary subsidiary, Western Alliance Bank, Member FDIC, offers a full spectrum of tailored commercial banking solutions and consumer products, all delivered with outstanding service by banking and mortgage experts who put customers first. Our 2024 major accolades include being ranked as a top U.S. bank in 2024 by American Banker and Bank Director and receiving #1 rankings on Extel’s (formerly Institutional Investor’s) All-America Executive Team Midcap (Banks) 2024 for Best CEO, Best CFO and Best Company Board of Directors. Serving clients across the country wherever business happens, we operate individual, full-service banking and financial brands with offices in key markets nationwide. 2024 Accolades Key

| 2024 Performance                                                                                                                                                                                                                                             |                      |                  |                    |                                                     |                    |                          |                 |
|                                                                                                                                                                                                                                                              | Top-tier performance |                  | Total Assets$80.9B |                                                     | Deposit Growth$11B |                          | CET1 Ratio11.3% |
| Net Income of$787.7M                                                                                                                                                                                                                                         |                      | ROAA0.99%        |                    | ROATCE*14.0%                                        |                    | Net Interest