John B. Sanfilippo & Son (JBSS) 10-K 2017 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 John B. Sanfilippo & Son, Inc. (the “Company”) on Form10-K for the fiscal year ended June 29, 2017 as filed with the Securities and Exchange Commission on the date hereof (the “Report”), I, Michael J. Valentine, Chief Financial Officer, Group President and Secretary, certify, pursuant to 18 U.S.C. § 1350, as adopted pursuant to Section 906 of the Sarbanes-Oxley Act of 2002, that based on my knowledge:

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.

August 23, 2017

/s/ Michael J. Valentine

Michael J. Valentine

Chief Financial Officer, Group President and Secretary