UNIFIRST CORP 10-Q

ITEM 5. OTHER INFORMATION None. 32 ITEM 6. EXHIBITS 31.1 Rule 13a-14(a)/15d-14(a) Certification of Steven S. Sintros (filed herewith). 31.2 Rule 13a-14(a)/15d-14(a) Certification of Shane O’Connor (filed herewith). 32.1 Certification of Chief Executive Officer Pursuant to 18 U.S.C. Section 1350, as adopted pursuant to Section 906 of the Sarbanes-Oxley Act of 2002 (furnished herewith). 32.2 Certification of Chief Financial Officer Pursuant to 18 U.S.C. Section 1350, as adopted pursuant to Section 906 of the Sarbanes-Oxley Act of 2002 (furnished herewith). 99.1 Form of Stock Appreciation Right Award for eligible participants under the UniFirst Corporation Executive Employment Plan pursuant to the UniFirst Corporation Amended and Restated 2010 Stock Option and Incentive Plan (filed herewith). 99.2 Form of Restricted Stock Unit Award for eligible participants under the UniFirst Corporation Executive Employment Plan pursuant to the UniFirst Corporation Amended and Restated 2010 Stock Option and Incentive Plan (filed herewith). 99.3 Form of Stock Appreciation Right Award for employees (filed herewith). 99.4 Form of Restricted Stock Unit Award for employees (filed herewith). 99.5 Form of Stock Appreciation Right Award for Directors (filed herewith). 101.SCH Inline XBRL Taxonomy Extension Schema Document (filed herewith). 101.CAL Inline XBRL Taxonomy Extension Calculation Linkbase Document (filed herewith). 101.LAB Inline XBRL Taxonomy Extension Label Linkbase Document (filed herewith). 101.PRE Inline XBRL Taxonomy Extension Presentation Linkbase Document (filed herewith). 101.DEF Inline XBRL Taxonomy Extension Definition Linkbase Document (filed herewith). 104 Cover Page Interactive Data File (formatted as Inline XBRL with applicable taxonomy extension information contained in Exhibits 101) (filed herewith). 33 SIGNATURES Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned thereunto duly authorized. UniFirst Corporation January 6, 2022 By: /s/ Steven S. Sintros Steven S. Sintros President and Chief Executive Officer January 6, 2022 By: /s/ Shane O’Connor Shane O’Connor Executive Vice President and Chief Financial Officer 34