On December 8, 2016, State Bank Financial Corporation (“the
Company”), the holding company for State Bank and Trust Company
(the “Bank”), announced that the Bank has received regulatory
approval from the Federal Deposit Insurance Corporation for its
previously announced merger transactions between the Bank and The
National Bank of Georgia, a wholly-owned subsidiary of NBG
Bancorp, Inc., and S Bank, the wholly-owned subsidiary of S
Bankshares, Inc. A copy of the press release announcing the
regulatory approval is attached to this Current Report on Form
8-K as Exhibit 99.1 and is incorporated herein by reference.

Additional Information About the Mergers and Where to Find It

Proposed Merger with NBG Bancorp, Inc.

In connection with the proposed merger transaction with NBG
Bancorp, Inc., the Company has filed a registration statement on
Form S-4 (Registration Statement No. 333-211445) that includes a
proxy statement of NBG Bancorp, Inc. and a prospectus of the
Company. The SEC declared the registration statement effective on
June 15, 2016. A definitive proxy statement/prospectus dated June
15, 2016 was mailed on or about June 20, 2016 to the shareholders
of NBG Bancorp, Inc. The registration statement and the proxy
statement/prospectus filed with the SEC related to the proposed
transaction contains important information about the Company, NBG
Bancorp, Inc. and the proposed transaction and related matters.
WE URGE SECURITY HOLDERS TO READ THE REGISTRATION STATEMENT,
PROXY STATEMENT/PROSPECTUS AND ANY OTHER DOCUMENTS FILED WITH OR
THAT MAY BE FILED WITH THE SEC IN CONNECTION WITH THE TRANSACTION
OR INCORPORATED BY REFERENCE INTO THE REGISTRATION STATEMENT AND
PROXY STATEMENT/PROSPECTUS BECAUSE THOSE DOCUMENTS CONTAIN OR
WILL CONTAIN IMPORTANT INFORMATION. Security holders may obtain
free copies of these documents and other documents filed with the
SEC on the SECs website at http://www.sec.gov. Security holders
may also obtain free copies of the documents filed with the SEC
by the Company at its website at https://www.statebt.com (which
website is not incorporated herein by reference) or by contacting
Jeremy Lucas by telephone at 404.239.8626.

The Company and its directors and executive officers may be
deemed to be participants in the solicitation of proxies from the
shareholders of NBG Bancorp, Inc. in connection with the proposed
merger. Information regarding these persons who may, under the
rules of the SEC, be considered participants in the solicitation
of shareholders in connection with the proposed merger are
provided in the proxy statement/prospectus described above.
Additional information regarding the Companys directors and
executive officers is included in the Companys definitive proxy
statement for 2016, which was filed with the SEC on April 15,
2016. You can obtain free copies of this document from the
Company using the contact information above.

This communication does not constitute an offer to sell or the
solicitation of an offer to buy any securities or a solicitation
of any vote or approval.

Proposed Merger with S Bankshares, Inc.

In connection with the proposed merger transaction with S
Bankshares, Inc., the Company has filed a registration statement
on Form S-4 (Registration Statement No. 333-213807) that includes
a proxy statement of S Bankshares, Inc. and a prospectus of the
Company. The SEC declared the registration statement effective on
November 7, 2016. A definitive proxy statement/prospectus dated
November 7, 2016 was mailed on or about November 10, 2016 to the
shareholders of S Bankshares, Inc. The registration statement and
the proxy statement/prospectus filed with the SEC related to the
proposed transaction contains important information about the
Company, S Bankshares, Inc. and the proposed transaction and
related matters. WE URGE SECURITY HOLDERS TO READ THE
REGISTRATION STATEMENT, PROXY STATEMENT/PROSPECTUS AND ANY OTHER
DOCUMENTS FILED WITH OR THAT MAY BE FILED WITH THE SEC IN
CONNECTION WITH THE TRANSACTION OR INCORPORATED BY REFERENCE INTO
THE REGISTRATION STATEMENT AND PROXY STATEMENT/PROSPECTUS BECAUSE
THOSE DOCUMENTS CONTAIN OR WILL CONTAIN IMPORTANT INFORMATION.
Security holders may obtain free copies of these documents and
other documents filed with the SEC on the SECs website at
http://www.sec.gov. Security holders may also obtain free copies
of the documents filed with the SEC by the Company at its website
at https://www.statebt.com (which website is not incorporated
herein by reference) or by contacting Jeremy Lucas by telephone
at 404.239.8626.

The Company and its directors and executive officers may be
deemed to be participants in the solicitation of proxies from the
shareholders of S Bankshares, Inc. in connection with the
proposed merger. Information regarding these persons who may,
under the rules of the SEC, be considered participants in the
solicitation of shareholders in connection with the proposed
merger are provided in the proxy statement/prospectus described
above. Additional information regarding the Companys directors
and executive officers is included in the Companys definitive
proxy statement for 2016, which was filed with the SEC on April
15, 2016. You can obtain free copies of this document from the
Company using the contact information above.

This communication does not constitute an offer to sell or the
solicitation of an offer to buy any securities or a solicitation
of any vote or approval.

Item 9.01. Financial Statements and Exhibits

(d) Exhibits