Simmons First National (SFNC) S-4 Registration of securities issued in business combination transactions

Exhibit 99.6

PROXY

COMMUNITY FIRST BANCSHARES, INC.

115 WEST WASHINGTON AVENUE

UNION CITY, TENNESSEE 38261

(731) 886-8800

SPECIAL MEETING OF SHAREHOLDERS

        , 2014

PLEASE SIGN AND RETURN PROMPTLY IN THE SELF-ADDRESSED ENVELOPE.

THIS PROXY IS SOLICITED ON BEHALF OF THE BOARD OF DIRECTORS.

The undersigned hereby appoints              and              as proxies, each with the power to appoint his or her substitute, and hereby authorizes them to represent and to vote, as designated below, all of the shares of common stock of Community First Bancshares, Inc., which the undersigned is entitled to vote at the special meeting of shareholders to be held at 100 East Reelfoot Avenue, Union City, Tennessee 38261 on             , 2014, at              local time, or any adjournment thereof.

This proxy is solicited on behalf of our board of directors and will be voted in accordance with the undersigned’s instructions set forth herein. If no instruction is given, this proxy will be voted FOR each of Proposals 1 and 2.

OUR BOARD OF DIRECTORS UNANIMOUSLY RECOMMENDS THAT YOU VOTE “FOR” EACH OF PROPOSALS 1 AND 2:

PROPOSAL 1 – To approve the Agreement and Plan of Merger, dated as of May 6, 2014, by and between Simmons First National Corporation and Community First Bancshares, Inc., pursuant to which Community First will merge with and into Simmons.

¨   FOR     ¨   AGAINST    ¨   ABSTAIN

PROPOSAL 2 – To adjourn the Community First special meeting, if necessary or appropriate, to solicit additional proxies in favor of the Community First merger proposal.

¨   FOR     ¨   AGAINST     ¨   ABSTAIN

With respect to any other item of business that properly comes before the meeting, the proxy holders are authorized to vote the undersigned’s shares in accordance with their best judgment.

PLEASE SIGN BELOW AND RETURN IN THE ENCLOSED STAMPED ENVELOPE.

THIS IS THE ONLY DOCUMENT YOU NEED TO RETURN AT THIS TIME.

Date:
	Print Shareholder Name
	Signature of Shareholder(s)
Date:
	Print Joint Shareholder Name
	Signature of Joint Shareholder(s)