AutoZone (AZO) 10-K 2019 FY Annual report

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 Annual Report of AutoZone, Inc. (the “Company”) on Form10-K for the fiscal year ended August 31, 2019, as filed with the SEC on the date hereof (the “Report”), I, William T. Giles, certify, pursuant to 18 U.S.C. Section 1350, as adopted pursuant to Section 906 of the Sarbanes-Oxley Act of 2002, that:

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

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

October 28, 2019

/s/ WILLIAM T. GILES

William T. Giles

Chief Financial Officer and Executive

Vice President – Finance, Information

Technology and Store Development

(Principal Financial Officer)