Exhibit 32.1

CERTIFICATION PURSUANT TO 18 U.S.C. SECTION 1350, AS ADOPTED PURSUANT TO SECTION 906

OF THE SARBANES-OXLEY ACT OF 2002

In connection with the quarterly report of Alico, Inc. (the “Company”) on Form 10-Q for the period ended December 31, 2018 as filed with the Securities and Exchange Commission on February 11, 2019, (the “Form 10-Q”), I, Henry R. Slack, Executive

Chairman and Principal Executive Officer of the Company, hereby certify, pursuant to 18 U.S.C. Section 1350, as adopted pursuant to Section 906 of the Sarbanes-Oxley Act of 2002, that:

(1) The Form 10-Q fully complies with the requirements of Section 13(a) or 15(d) of the Securities Exchange Act of 1934 (15 U.S.C. 78m or 78o(d)); and

(2) The information contained in the Form 10-Q fairly presents, in all material respects, the financial condition and results of operations of the Company.

Date: February 11, 2019	By:	/s/ Henry R. Slack
		Henry R. Slack
		Executive Chairman and Director
		(Principal Executive Officer)