Exhibit 5 WILLIAMS & ANDERSON, LLP 111 Center Street Twenty-Second Floor Little Rock, Arkansas 72201 (501) 372-0800 November 9, 1998 Board of Directors Simmons First National Corporation 501 Main Street Pine Bluff, Arkansas 71601 Re: Form S-4 Registration Statement Commission File No. 333-66243 Gentlemen: As counsel for Simmons First National Corporation (the "Company"), we have participated in the preparation of the Company's referenced Registration Statement on Form S-4 as filed with the Securities and Exchange Commission under the Securities Act of 1933, as amended, relating to the proposed merger of Lincoln Bankshares, Inc. with and into the Company and the corresponding issuance of up to 301,833 shares (the "Shares") of the Company's Class A Common Stock (the "Common Stock"), to the shareholders of Lincoln Bankshares, Inc. as consideration in the merger. As counsel for the Company, we have examined such corporate records, certificates and other documents of the Company and such questions of law, and have made inquiry of such officers of the Company, as we have deemed necessary or appropriate for the purposes of this opinion, and on the basis of such examination, we are of the opinion that: 1. The Company has been duly incorporated and is validly existing under the laws of the State of Arkansas. 2. The Shares, when issued in the manner set forth in the Registration Statement relating to the Shares, will be duly authorized, validly issued, fully paid and non-assessable shares of the Common Stock of the Company. We hereby consent to the inclusion of this opinion as an exhibit to the Registration Statement on Form S-4 filed by the Company and the reference to our firm in the prospectus contained therein, under the caption "Legal Matters." Very truly yours, WILLIAMS & ANDERSON LLP /s/ Patrick A. Burrow Patrick A. Burrow PAB\ms