EXHIBIT 32.2

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 accompanying Quarterly Report on Form 10-Q of Acxiom Corporation (the “Company”) for the period ending June 30, 2016 as filed with the Securities and Exchange Commission on the date hereof (the “Report”), I, Warren C. Jenson, Chief Financial Officer & Executive Vice President of the Company, certify, pursuant to 18 U.S.C. § 1350, as adopted pursuant to § 906 of the Sarbanes-Oxley Act of 2002, to my knowledge, that:

(1)The Report fully complies with the requirements of section 13(a) or 15(d) of the Securities Exchange Act of 1934; and

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

/s/ Warren C. Jenson

Warren C. Jenson

Chief Financial Officer & Executive Vice President

August 5, 2016