Filed by South State Corporation

pursuant to Rule 425 under the Securities Act of 1933
and deemed filed pursuant to Rule 14a-6

under the Securities Exchange Act of 1934

Subject Company: CenterState Bank Corporation

Commission File No.: 333-237214

IMPORTANT MESSAGE TO SHAREHOLDERS OF SOUTH STATE CORPORATION A Special Meeting of Shareholders of South State Corporation is scheduled to be held on MAY 21, 2020. Proxy materials are being mailed to you for your review. DO NOT DISCARD THE ENVELOPE WHEN IT ARRIVES. It will contain time-sensitive voting materials that require a response from you as a shareholder. The South State Board of Directors unanimously recommends that you vote IN FAVOR OF EACH OF THE PROPOSALS. You can also review information about the Special Meeting of Shareholders online at: www.innisfreema.com/special/ssb.pdf. If you have any questions, please call the firm assisting us with the solicitation toll-free at 877-750-9497. Thank you!

South State Corporation c/o Innisfree M&A Incorporated FDR Station P.O. Box 5155 New York, NY 10150-5155 ATTENTION w the proxy materials posted online in advance of the Special Meeting of Shareholders scheduled to be held on May 21, 2020. Please go online to: www.innisfreema.com/special/ssb.pdf. If you have any questions, please call the firm assisting us with the solicitation toll-free at 877-750-9497. South State orporation Shareholders. Important Information About the Merger and Where to Find It South State Corporation (“South State”) has filed a registration statement on Form S-4 and an amendment thereto with the SEC to register the shares of South State’s common stock that will be issued to shareholders of CenterState Bank Corporation (“CenterState”) in connection with the transaction. The registration statement contains a joint proxy statement of South State and CenterState that also constitutes a prospectus of South State. The registration statement on Form S-4, as amended, was declared effective by the SEC on April 20, 2020, and South State and CenterState commenced mailing the definitive joint proxy statement/prospectus to their respective shareholders on or about April 20, 2020. INVESTORS AND SECURITY HOLDERS ARE URGED TO READ THE REGISTRATION STATEMENT AND DEFINITIVE JOINT PROXY STATEMENT/PROSPECTUS (AS WELL ANY OTHER DOCUMENTS FILED WITH THE SEC IN CONNECTION WITH THE TRANSACTION OR INCORPORATED BY REFERENCE INTO THE DEFINITIVE JOINT PROXY STATEMENT/PROSPECTUS) BECAUSE SUCH DOCUMENTS CONTAIN IMPORTANT INFORMATION REGARDING THE PROPOSED MERGER AND RELATED MATTERS. Investors and security holders may obtain free copies of these documents and other documents filed with the SEC by South State or CenterState through the website maintained by the SEC at http://www.sec. gov or by contacting the investor relations department of South State or CenterState at: South State Corporation 520 Gervais Street Columbia, SC 29201-3046 Attention: Investor Relations (800) 277-2175 CenterState Bank Corporation 1101 First Street South, Suite 202 Winter Haven, FL 33880 Attention: Investor Relations (863) 293-4710 Participants in Solicitation South State, CenterState and certain of their directors and executive officers may be deemed participants in the solicitation of proxies from the shareholders of each of South State and CenterState in connection with the merger. Information regarding the directors and executive officers of South State and CenterState and other persons who may be deemed participants in the solicitation of the shareholders of South State or of CenterState in connection with the merger is contained in the definitive joint proxy statement/prospectus related to the proposed merger. Information about the directors and executive officers of South State and their ownership of South State common stock can also be found in South State’s definitive proxy statement in connection with its 2019 annual meeting of shareholders, as filed with the SEC on March 6, 2019, and other documents subsequently filed by South State with the SE including, but not limited to, Amendment No. 1 to South State’s Annual Report on Form 10-K/A, as filed with the SEC on March 6, 2020. Information about the directors and executive officers of CenterState and their ownership of CenterState common stock can also be found in CenterState’s definitive proxy statement in connection with its 2020 annual meeting of shareholders, as filed with the SEC on March 10, 2020, and other documents subsequently filed by CenterStat with the SEC. Additional information regarding the interests of such participants is included in the definitive joint proxy statement/prospectus and other relevant documents regarding the merger filed with the SEC. PRESORTED FIRST CLASS MAIL U.S. POSTAGE PAID PERMIT No. 14 HICKSVILLE, NY 11801 

Cautionary Statement Regarding Forward-Looking Statements

Information in this communication, other than statements of historical facts, may constitute forward-looking statements, within the meaning of the Private Securities Litigation Reform Act of 1995. These statements include, but are not limited to, statements about the benefits of the proposed merger of South State and CenterState, including future financial and operating results (including the anticipated impact of the transaction on South State’s and CenterState’s respective earnings and tangible book value), statements related to the expected timing of the completion of the merger, the combined company’s plans, objectives, expectations and intentions, and other statements that are not historical facts. Forward-looking statements may be identified by terminology such as “may,” “will,” “should,” “scheduled,” “plans,” “intends,” “anticipates,” “expects,” “believes,” “estimates,” “potential,” or “continue” or negatives of such terms or other comparable terminology.

All forward-looking statements are subject to risks, uncertainties and other factors that may cause the actual results, performance or achievements of South State or CenterState to differ materially from any results expressed or implied by such forward-looking statements. Such factors include, among others, (1) the risk that the cost savings and any revenue synergies from the merger may not be fully realized or may take longer than anticipated to be realized, (2) disruption to the parties’ businesses as a result of the announcement and pendency of the merger, (3) the occurrence of any event, change or other circumstances that could give rise to the termination of the merger agreement, (4) the risk that the integration of each party’s operations will be materially delayed or will be more costly or difficult than expected or that the parties are otherwise unable to successfully integrate each party’s businesses into the other’s businesses, (5) the failure to obtain the necessary approvals by the shareholders of South State or CenterState, (6) the amount of the costs, fees, expenses and charges related to the merger, (7) the ability by each of South State and CenterState to obtain required governmental approvals of the merger (and the risk that such approvals may result in the imposition of conditions that could adversely affect the combined company or the expected benefits of the transaction), (8) reputational risk and the reaction of each company’s customers, suppliers, employees or other business partners to the merger, (9) the failure of the closing conditions in the merger agreement to be satisfied, or any unexpected delay in closing the merger, (10) the possibility that the merger may be more expensive to complete than anticipated, including as a result of unexpected factors or events, (11) the dilution caused by South State’s issuance of additional shares of its common stock in the merger, (12) a material adverse change in the financial condition of South State or CenterState, (13) general competitive, economic, political and market conditions, (14) major catastrophes such as earthquakes, floods or other natural or human disasters, including infectious disease outbreaks, including the recent outbreak of a novel strain of coronavirus, a respiratory illness, the related disruption to local, regional and global economic activity and financial markets, and the impact that any of the foregoing may have on South State or CenterState and its customers and other constituencies, and (15) other factors that may affect future results of CenterState and South State including changes in asset quality and credit risk; the inability to sustain revenue and earnings growth; changes in interest rates and capital markets; inflation; customer borrowing, repayment, investment and deposit practices; the impact, extent and timing of technological changes; capital management activities; and other actions of the Federal Reserve Board and legislative and regulatory actions and reforms. Additional factors which could affect future results of CenterState and South State can be found in the registration statement on Form S-4, as amended, as well as South State’s Annual Report on Form 10-K, as amended, Quarterly Reports on Form 10-Q, and Current Reports on Form 8-K, and CenterState’s Annual Report on Form 10-K, Quarterly Reports on Form 10-Q, and Current Reports on Form 8-K, in each case filed with the SEC and available on the SEC’s website at http://www.sec.gov. CenterState and South State disclaim any obligation and do not intend to update or revise any forward-looking statements contained in this communication, which speak only as of the date hereof, whether as a result of new information, future events or otherwise, except as required by federal securities laws.

Important Information About the Merger and Where to Find It

South State has filed a registration statement on Form S-4 and an amendment thereto with the SEC to register the shares of South State’s common stock that will be issued to CenterState’s shareholders in connection with the transaction. The registration statement contains a joint proxy statement of South State and CenterState that also constitutes a prospectus of South State. The registration statement on Form S-4, as amended, was declared effective by the SEC on April 20, 2020, and South State and CenterState commenced mailing the definitive joint proxy statement/prospectus to their respective shareholders on or about April 20, 2020. INVESTORS AND SECURITY HOLDERS ARE URGED TO READ THE REGISTRATION STATEMENT AND DEFINITIVE JOINT PROXY STATEMENT/PROSPECTUS (AS WELL ANY OTHER DOCUMENTS FILED WITH THE SEC IN CONNECTION WITH THE TRANSACTION OR INCORPORATED BY REFERENCE INTO THE DEFINITIVE JOINT PROXY STATEMENT/PROSPECTUS) BECAUSE SUCH DOCUMENTS CONTAIN IMPORTANT INFORMATION REGARDING THE PROPOSED MERGER AND RELATED MATTERS. Investors and security holders may obtain free copies of these documents and other documents filed with the SEC by South State or CenterState through the website maintained by the SEC at http://www.sec.gov or by contacting the investor relations department of South State or CenterState at:

South State Corporation	CenterState Bank Corporation
520 Gervais Street	1101 First Street South, Suite 202
Columbia, SC 29201-3046	Winter Haven, FL 33880
Attention:  Investor Relations	Attention:  Investor Relations
(800) 277-2175	(863) 293-4710

Participants in Solicitation

South State, CenterState and certain of their directors and executive officers may be deemed participants in the solicitation of proxies from the shareholders of each of South State and CenterState in connection with the merger. Information regarding the directors and executive officers of South State and CenterState and other persons who may be deemed participants in the solicitation of the shareholders of South State or of CenterState in connection with the merger is contained in the definitive joint proxy statement/prospectus related to the proposed merger. Information about the directors and executive officers of South State and their ownership of South State common stock can also be found in South State’s definitive proxy statement in connection with its 2019 annual meeting of shareholders, as filed with the SEC on March 6, 2019, and other documents subsequently filed by South State with the SEC, including, but not limited to, Amendment No. 1 to South State’s Annual Report on Form 10-K/A, as filed with the SEC on March 6, 2020. Information about the directors and executive officers of CenterState and their ownership of CenterState common stock can also be found in CenterState’s definitive proxy statement in connection with its 2020 annual meeting of shareholders, as filed with the SEC on March 10, 2020, and other documents subsequently filed by CenterState with the SEC. Additional information regarding the interests of such participants is included in the definitive joint proxy statement/prospectus and other relevant documents regarding the merger filed with the SEC.