For Further Information Contact: J. Gerald Bazewicz President and Chief Executive Officer (570) 752-3671 Exhibit 99.1 PRESS RELEASE FIRST KEYSTONE CORPORATION ANNOUNCES THIRD QUARTER DIVIDEND Berwick, Pennsylvania - August 31, 2009 - First Keystone Corporation (OTC BB: FKYS), parent company of First Keystone National Bank, declared a $.23 per share quarterly cash dividend to shareholders of record as of September 15, 2009, payable September 30, 2009. With this third quarter dividend, total cash dividends per share will amount to $.69 as of September 30, 2009, up from $.66 for the three quarters ending September 30, 2008, an increase of 4.5%. First Keystone National Bank, an independently owned community bank since 1864, presently operates 14 full service offices in Columbia (5), Luzerne (4), Montour (1) and Monroe (4) Counties providing banking and trust services. In Monroe County, the Bank trades as Pocono Community Bank, a division of First Keystone National Bank. Inquiries regarding the purchase of the company's stock may be made through the following brokers: RBC Dain Rauscher, 800-223-4207; Janney Montgomery Scott, Inc., 800-526-6397; Boenning & Scattergood, Inc., 800-883-8383; and Stifel Nicolaus & Co. Inc., 800-223-6807. Note: This press release may contain forward-looking statements as defined in the Private Securities Litigation Reform Act of 1995. Actual results and trends could differ materially from those set forth in such statements due to various factors. These factors include operating, legal and regulatory risks; changing economic and competitive conditions and other risks and uncertainties. For more information on First Keystone National Bank or its parent company, First Keystone Corporation, please contact J. Gerald Bazewicz at 570-752-3671, extension 1172. -5-