Exhibit 99.1

For additional information, contact: E.L. Spencer, Jr. President, CEO and Chairman of the Board (334) 821-9200

Press Release – August 9, 2011

AUBURN NATIONAL BANCORPORATION, INC.

DECLARES QUARTERLY DIVIDEND

AUBURN, Alabama – On August 9, 2011, the Board of Directors of Auburn National Bancorporation, Inc. (Nasdaq: AUBN) declared a third quarter $0.20 per share cash dividend, payable September 26, 2011 to shareholders of record as of September 9, 2011.

About Auburn National Bancorporation, Inc.

Auburn National Bancorporation, Inc. (the “Company”) is the parent company of AuburnBank (the “Bank”), with total assets of approximately $780 million. The Bank is an Alabama state-chartered bank that is a member of the Federal Reserve System and has operated continuously since 1907. Both the Company and the Bank are headquartered in Auburn, Alabama. The Bank conducts its business in East Alabama, including Lee County and surrounding areas. The Bank operates full-service branches in Auburn, Opelika, Hurtsboro and Notasulga, Alabama. In-store branches are located in the Auburn and Opelika Kroger stores, as well as in the Wal-Mart SuperCenter stores in Auburn, Opelika, and Phenix City, Alabama. Mortgage loan offices are located in Phenix City, Valley, and Mountain Brook, Alabama. Additional information about the Company and the Bank may be found by visiting www.auburnbank.com.