CenterState Bank : to announce Fourth Quarter 2017 Earnings Results on January 30, 2018

FOR IMMEDIATE RELEASE January 8, 2018

CenterState Bank Corporation

To announce Fourth Quarter 2017 Earnings

Results on January 30, 2018

WINTER HAVEN, FL. - January 8, 2018 - CenterState Bank Corporation (NASDAQ: CSFL) announced today that it will release fourth quarter earnings results on Tuesday, January 30, 2018, after the market closes. Upon release, investors may access a copy of CenterState's earnings results at the Company's website atwww.centerstatebanks.com and selecting "Fourth Quarter 2017 Earnings Results" under the heading "News Releases."

CenterState will host a conference call on Wednesday, January 31, 2018 at 2:00 p.m. (Eastern Time) to discuss the Company's fourth quarter 2017 results. Investors may call in (toll free) by dialing (866) 393-0571 (passcode 2544418; host: Jennifer Idell, CFO).

Alternatively, individuals may listen to the live webcast of the presentation by visiting the link at CenterState's website atwww.centerstatebanks.com.

An audio replay of the presentation will be available by the evening of January 31, 2018 at CenterState's website located in the subsection "Presentations" under the heading "News and Market Data."

CenterState, headquartered in Winter Haven, Florida between Orlando and Tampa, is a financial holding company with one nationally chartered bank, CenterState Bank, N.A. Presently, the Company operates through its network of 142 branch banking offices located in 31 counties throughout Florida, providing traditional deposit and lending products and services to its commercial and retail customers. The Company also provides correspondent banking and capital market services to approximately 600 community banks nationwide.