Western Alliance Bank, the banking subsidiary of Western Alliance Bancorporation, has announced the successful pricing of $400 million aggregate principal amount of 6.537% Fixed Rate Reset Subordinated Notes due 2035. The offering is expected to settle on November 24, 2025, subject to customary closing conditions. The notes are being issued in a transaction exempt from registration under Section 3(a)(2) of the Securities Act of 1933. Proceeds from the offering will be used for general corporate purposes, including capital support and potential repayment, redemption, or repurchase of existing securities. The notes are intended to qualify as Tier 2 capital for regulatory purposes and are obligations solely of the Bank, not of the parent company or its affiliates.