X0306 5 2017-12-31 0 0 0 0000090498 SIMMONS FIRST NATIONAL CORP SFNC 0001064402 BURCHFIELD JAY D 3596 FAIR OAKS LANE LONGBOAT KEY FL 34228 1 0 0 0 SFNC 109524 D On February 8, 2018, the Company effected a 2-for-1 stock split. The number of shares reported in this Form 5 has been adjusted to reflect the stock split. This number also reflects the acquisition of 1,858 shares (split adjusted) pursuant to Dividend Reinvestment Plan holdings. /s/ Jay D. Burchfield by Piper P. Erwin 2018-02-13