SOUTHSIDE BANCSHARES, INC. TO RING NYSE OPENING BELL TO CELEBRATE 65th ANNIVERSARY

Tyler, Texas (July 25, 2025) – Southside Bancshares, Inc. (the “Company”) (NYSE:SBSI), parent company of Southside Bank, will ring the opening bell at the New York Stock Exchange on Monday, July 28th to celebrate the 65th anniversary of Southside Bank. Lee R. Gibson, Chief Executive Officer, alongside members of the Company’s management team and board of directors, will participate in the ceremonial bell ringing.

“We are honored to ring the NYSE opening bell to commemorate Southside’s 65th anniversary,” said Lee R. Gibson, Chief Executive Officer. “Since we first opened our doors in 1960, we have remained committed to helping people and businesses of our Texas communities thrive and prosper. This significant milestone is a testament to the hard work of our team members and our longstanding dedication to our customers, communities, and shareholders.” The bell ringing ceremony begins at approximately 8:25 AM CT and can be streamed at https://www.nyse.com/bell.

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