Exhibit 99.1
MMMMMMMMMMMM C123456789 000000000.000000 ext 000000000.000000 ext 000000000.000000 ext 000000000.000000 ext 000000000.000000 ext 000000000.000000 ext 000004 ENDORSEMENT_LINE______________ SACKPACK_____________ Your vote matters – here’s how to vote! You may vote online or by phone instead of mailing this card. Votes submitted electronically must be MR A SAMPLE DESIGNATION (IF ANY) ADD 1 ADD 2 ADD 3 ADD 4 ADD 5 ADD 6 received by May 20, 2020 at 11:59 P.M., ET. Online GIof ntoo welwewct.reonnviicsivoontrienpgo, rts.com/SSB or delete QR code and control # scan the QR code — login details are located in the shaded bar below. Phone Call toll free 1-800-652-VOTE (8683) within the USA, US territories and Canada Save paper, time and money! Sign up for electronic delivery at www.envisionreports.com/SSB Using a black ink pen, mark your votes with an X as shown in this example. Please do not write outside the designated areas. q IF VOTING BY MAIL, SIGN, DETACH AND RETURN THE BOTTOM PORTION IN THE ENCLOSED ENVELOPE. q + For Against Abstain For Against Abstain 1. Proposal to approve the Agreement and Plan of Merger, dated as of January 25, 2020, by and between South State Corporation (“South State”) and CenterState Bank Corporation (as amended from time to time) (the “South State merger proposal”). 2. Proposal to approve an amendment to South State’s articles of incorporation to increase the number of authorized shares of South State common stock from 80 million shares to 160 million shares (the “South State authorized share count proposal”). 3. Proposal to approve, on an advisory (non-binding) basis, the merger-related named executive officer compensation that will or may be paid to South State’s named executive officers in connection with the merger (the “South State compensation proposal”). 4. Proposal to adjourn or postpone the South State 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 South State merger proposal or the South State authorized share count proposal or to ensure that any supplement or amendment to the accompanying joint proxy statement/prospectus is timely provided to holders of South State common stock (the “South State adjournment proposal”). Please sign exactly as name(s) appears hereon. Joint owners should each sign. When signing as attorney, executor, administrator, corporate officer, trustee, guardian, or custodian, please give full title. Date (mm/dd/yyyy) — Please print date below. Signature 1 — Please keep signature within the box. Signature 2 — Please keep signature within the box. C 1234567890 J N T MR A SAMPLE (THIS AREA IS SET UP TO ACCOMMODATE 140 CHARACTERS) MR A SAMPLE AND MR A SAMPLE AND MR A SAMPLE AND MR A SAMPLE AND MR A SAMPLE AND MR A SAMPLE AND MR A SAMPLE AND MR A SAMPLE AND + 1 P C F 4 5 9 2 1 6 038CIC MMMMMMMMM B Authorized Signatures — This section must be completed for your vote to count. Please date and sign below. A Proposals — The Board of Directors recommends a vote FOR Proposals 1, 2, 3 and 4. 2020 Special Meeting Proxy Card1234 5678 9012 345
q IF VOTING BY MAIL, SIGN, DETACH AND RETURN THE BOTTOM PORTION IN THE ENCLOSED ENVELOPE. q + Proxy Solicited by Board of Directors for Special Meeting — May 21, 2020 William C. Bochette, III and Robert R. Hill, Jr. and each of them, each with the power of substitution, are hereby appointed as agent(s) of the undersigned to vote as proxies all of the shares of Common Stock of South State Corporation held of record by the undersigned on the record date at the Special Meeting of Shareholders to be held on May 21, 2020, and at any adjournment or postponement thereof. YOUR VOTE IS IMPORTANT Regardless of whether you plan to attend the Special Meeting of Shareholders, you can be sure your shares are represented at the meeting by promptly returning your proxy in the enclosed envelope. THE PROXIES WILL BE VOTED AS INSTRUCTED. IF NO CHOICE IS INDICATED WITH RESPECT TO A MATTER WHERE A CHOICE IS PROVIDED, THIS PROXY WILL BE VOTED “FOR” SUCH MATTER. (Items to be voted appear on reverse side) Change of Address — Please print new address below. Comments — Please print your comments below. + C Non-Voting Items Proxy - South State Corporation Small steps make an impact. Help the environment by consenting to receive electronic delivery, sign up at www.envisionreports.com/SSB