Prosperity Bancshares Inc., the parent company of Prosperity Bank, and Southwest Bancshares Inc., the parent holding company of Texas Partners Bank, headquartered in San Antonio, Texas, jointly announced that the shareholders of Southwest have approved the previously announced proposed merger of Southwest with and into Prosperity, with Prosperity continuing as the surviving corporation, to be followed by the proposed merger of Texas Partners with and into Prosperity Bank. The Board of Governors of the Federal Reserve System, the Federal Deposit Insurance Corporation and the Texas Department of Banking have each approved the transaction.

All required regulatory and shareholder approvals to complete the transaction have now been received and the transaction is expected to be completed on February 1, 2026, subject to the satisfaction or waiver of the remaining customary closing conditions set forth in the merger agreement between Prosperity and Southwest.