POWER OF ATTORNEY

I, L. Ann Gill, Officer of Simmons First National Corporation, hereby
constitute, appoint and authorize David W. Garner, Kevin W. Pletcher or Piper P.
Erwin to execute on my behalf any Form 3's, Form 4's or Form 5's required to be
filed with the United States Securities and Exchange Commission at any time
until such time as I revoke this power of attorney in writing.





1/22/07                               /s/ L. Ann Gill
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Date                                  Signature