| Signature [PLEASE SIGN WITHIN BOX] Date Signature (Joint Owners) Date TO VOTE, MARK BLOCKS BELOW IN BLUE OR BLACK INK AS FOLLOWS: KEEP THIS PORTION FOR YOUR RECORDS DETACH AND RETURN THIS PORTION ONLY THIS VOTING INSTRUCTION CARD IS VALID ONLY WHEN SIGNED AND DATED. V54325-S92297 3. The IBTX adjournment proposal: to adjourn or postpone the IBTX special meeting, if necessary or appropriate, to solicit additional proxies if, immediately prior to such adjournment or postponement, there are not sufficient votes to approve the IBTX merger proposal or to ensure that any supplement or amendment to the accompanying joint proxy statement/prospectus is timely provided to holders of IBTX common stock. 2. The IBTX compensation proposal: to approve, on a non-binding, advisory basis, the compensation that may be paid or become payable to IBTX's named executive officers that is based on or otherwise relates to the merger; and For Against Abstain ! ! ! ! ! ! ! ! ! INDEPENDENT BANK GROUP, INC. This proxy is solicited on behalf of the Board of Directors of Independent Bank Group, Inc. ("IBTX") and will be voted FOR proposal 1, FOR proposal 2 and FOR proposal 3 unless otherwise indicated: 1. The IBTX merger proposal: to approve the Agreement and Plan of Merger, dated as of May 17, 2024, by and between SouthState Corporation ("SouthState") and IBTX, and the transactions contemplated thereby, including the merger of IBTX with and into SouthState (the "merger"); Please sign exactly as your name(s) appear(s) hereon. When signing as attorney, executor, administrator, or other fiduciary, please give full title as such. Joint owners should each sign personally. All holders must sign. If a corporation or partnership, please sign in full corporate or partnership name by authorized officer. INDEPENDENT BANK GROUP, INC. C/O BROADRIDGE CORPORATE ISSUER SOLUTIONS PO BOX 1342 BRENTWOOD, NY 11717 SCAN TO VIEW MATERIALS & VOTEw VOTING INSTRUCTIONS Voting card instructions for those holding shares in the Independent Bank 401(k) Profit Sharing Plan must be received by the 401(k) Plan trustee by no later than 11:59 p.m. Eastern Time on August 9, 2024. VOTE BY INTERNET Before The Meeting - Go to www.proxyvote.com or scan the QR Barcode above Use the Internet to transmit your voting instructions and for electronic delivery of information up until 11:59 p.m. Eastern Time on August 9, 2024. Have your proxy card in hand when you access the web site and follow the instructions to obtain your records and to create an electronic voting instruction form. During The Meeting - Go to www.virtualshareholdermeeting.com/IBTX2024SM You may attend the meeting via the Internet and vote during the meeting. Have the information that is printed in the box marked by the arrow available and follow the instructions. VOTE BY PHONE - 1-800-690-6903 Use any touch-tone telephone to transmit your voting instructions up until 11:59 p.m. Eastern Time on August 9, 2024. Have your proxy card in hand when you call and then follow the instructions. VOTE BY MAIL Mark, sign and date your proxy card and return it in the postage-paid envelope we have provided or return it to Vote Processing, c/o Broadridge, 51 Mercedes Way, Edgewood, NY 11717. Your proxy card must be received by no later than the time the polls close for voting at the meeting for your vote to be counted at the meeting. |