SFNC Simmons First National Corporation

Simmons First National Corporation (Nasdaq:SFNC) today announced it expects to release second quarter 2012 earnings prior to the market opening on Thursday, July 26, 2012, followed by a live conference call to review this information beginning at 3:00 p.m. Central Time. Interested persons can listen to this call by dialing toll-free 1-888-551-9020 (United States and Canada only) and asking for the Simmons First National Corporation conference call. A replay of the call will be available through 5:00 p.m. Central Time on August 1, 2012, by dialing toll-free 1-888-203-1112. The passcode for the replay is 9343144. In addition, the call will be available live or in recorded version on the Company's website at www.simmonsfirst.com.

Simmons First National Corporation is an eight bank financial holding company with 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 88 offices, of which 84 are financial centers, in 47 communities in Arkansas, Missouri and Kansas.

The Simmons First National Corporation logo is available at http://www.globenewswire.com/newsroom/prs/?pkgid=4819

CONTACT: FOR MORE INFORMATION CONTACT:
         DAVID W. GARNER
         Senior Vice President and Investor Relations Officer
         Simmons First National Corporation
         (870) 541-1000