GREATER ATLANTIC FINANCIAL CORP.

         10700 Parkridge Boulevard - Suite P50 - Reston, Virginia 20191
                      (703) 391-1300 - Fax: (703) 391-1506

                        GREATER ATLANTIC FINANCIAL CORP.
                    ANNOUNCES SHAREHOLDER APPROVAL OF MERGER
                        WITH SUMMIT FINANCIAL GROUP, INC.

Reston, Virginia; September 5, 2008. Greater Atlantic Financial Corp. ("Greater
Atlantic") (Pink Sheets: "GAFC.PK") announced today that its shareholders
overwhelmingly approved the terms and conditions of the proposed merger of
Greater Atlantic with and into Summit Financial Group, Inc. ("Summit") (NASDAQ:
"SMMF") at the special meeting of shareholders held on September 4, 2008. The
completion of the proposed merger is subject to the receipt of regulatory
approval and other conditions.

Greater Atlantic Financial Corp. is the holding company for Greater Atlantic
Bank, a federally-chartered savings bank. We offer traditional banking services
to customers through our bank branches located throughout the greater
Washington, DC metropolitan area. Greater Atlantic Financial Corp. had
approximately $219 million in assets at June 30, 2008.


CONTACT:
Carroll E. Amos
President & CEO
GREATER ATLANTIC FINANCIAL CORP.
(703) 391-1300
www.gab.com