SFNC Simmons First National Corporation

Simmons First National Corporation (NASDAQ-GS: SFNC) today announced it expects to release Fourth Quarter 2007 earnings prior to the market opening on Thursday, January 17, 2008. Following this release, management will conduct a conference call to review this information at 3:00 p.m. CT (4:00 p.m. ET) on Thursday, January 17, 2008. Interested parties can listen to this call by calling 1-800-854-4175 (United States and Canada only) and asking for the Simmons First National Corporation conference call. A recorded playback of the call will be available the next morning by calling 1-800-642-1687. The passcode for this playback is 29612467 and the recording will be available through the end of business January 31, 2008. In addition, the call will be available live or in recorded version on the Company�s website at www.simmonsfirst.com under the �webcast� icon. Simmons First National Corporation is a financial holding company with eight community banks in Pine Bluff, Lake Village, Jonesboro, Rogers, Searcy, Russellville, El�Dorado, and Hot Springs, Arkansas. The Company's eight banks conduct financial operations from 87 offices, of which 84 are financial centers, in 48 communities.