On March 5, 2024, Tim Alexander, Chief Lending Officer of Southside Bancshares, Inc. (the Company) and Southside Bank (the Bank"), a subsidiary of the Company, and advisory director of the Bank, notified the Company of his decision to retire, effective May 31, 2024. Mr. Alexander has been employed by the Bank in various commercial lending capacities since 2005, and as Chief Lending Officer since 2017. Curtis Burchard will be appointed Chief Lending Officer of the Company and the Bank, an action that is expected to be approved by the Board of Directors of the Bank and the Company at the respective Board meetings on March 21, 2024, to become effective on April 15, 2024.

Mr. Burchard, 62, has served as Senior Executive Vice President of Southside Bank since joining the Bank in July 2023. He previously served at Texas Capital Bank from 2018 to 2023, including positions as Head of Commercial Real Estate and Head of Real Estate (Commercial Real Estate and Homebuilding). Mr. Burchard served at Compass Bank /BBVA from 1990 to 2018, covering multiple states, in various senior leadership roles in Commercial Banking, Commercial Real Estate, Homebuilding, and Credit.

He is a native Texan and has been employed in the banking and financial services industry for over 40 years.