Exhibit 32.1

CERTIFICATION

The undersigned certify pursuant to 18 U.S.C. § 1350, that:

(1) The accompanying Annual Report on Form 10-K for the period ended August 27, 2017 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 accompanying Annual Report on Form 10-K fairly presents, in all material respects, the financial condition and results of operations of the Company.