Catherine Mealor

Manan Gosalia

Peter Winter

Jon Arfstrom

Michael Rose

Eric Dray

Stephen Scouten

Ebrahim Poonawala

Matt Olney

Bill Carcache

Jonathan Rau

- Prosperity Bancshares, Inc. has entered into a definitive merger agreement to acquire Southwest Bancshares, Inc., the parent company of Texas Partners Bank.  **[1068851_0001193125-25-225797_pb-ex99_2.htm:0]** 
- The total consideration for the acquisition is valued at approximately **$268.9 million**, based on Prosperity's closing price of **$65.97** on September 29, 2025, and involves the issuance of **4,062,520 shares** of Prosperity common stock.  **[1068851_0001193125-25-225797_pb-ex99_2.htm:0]** 
- As of June 30, 2025, Southwest Bancshares, Inc. reported **$2.4 billion** in total assets, **$1.9 billion** in total loans, and **$2.1 billion** in total deposits.  **[1068851_0001193125-25-225797_pb-ex99_2.htm:0]** **[1068851_0001193125-25-225797_pb-ex99_1.htm:1]** 
- The merger is expected to close during the **first quarter of 2026**, subject to Southwest's shareholder approval and customary regulatory approvals.  **[1068851_0001193125-25-225797_pb-ex99_2.htm:0]** 
- Upon completion of the merger, Brent Given will join Prosperity Bank as San Antonio Area Chairman, and Gene Dawson, Jr. will join the Board of Directors of Prosperity Bank.  **[1068851_0001193125-25-225797_pb-ex99_2.htm:0]**

Prosperity Bancshares Announces Acquisition of Southwest Bancshares

- Prosperity Bancshares, Inc. (NYSE: PB) has signed a definitive merger agreement to acquire **Southwest Bancshares, Inc.** and its subsidiary, Texas Partners Bank.  **[1068851_20251001DA87807:0]** 
- The acquisition is valued at approximately **$268.9 million**, based on Prosperity's closing stock price of **$65.97 on September 29, 2025**, and involves the issuance of **4,062,520 shares** of Prosperity common stock.  **[1068851_20251001DA87807:0]** 
- As of **June 30, 2025**, Southwest reported **total assets of $2.4 billion**, **total loans of $1.9 billion**, and **total deposits of $2.1 billion**.  **[1068851_20251001DA87807:0]** 
- The merger is expected to close during the **first quarter of 2026**, pending shareholder and regulatory approvals, and will include key management from Texas Partners Bank joining Prosperity Bank, with Southwest's CEO joining Prosperity Bank's Board of Directors.  **[1068851_20251001DA87807:0]**

Prosperity Bancshares to Acquire Southwest Bancshares

PROSPERITY BANCSHARES (PB)