Unifirst CorporationNYSE: UNF

Amendment to Quarterly Report (Form 10-Q/A)

· Issued by Unifirst Corporation

UniFirst Corporation (the "Company") filed with the Securities and Exchange Commission a Quarterly Report on Form 10-Q on the date hereof (the "Original Quarterly Report"). This Quarterly Report on Form 10-Q/A is being filed solely to update the date on which the Original Quarterly Report and the certifications pursuant to Sections 302 and 906 of the Sarbanes-Oxley Act of 2002, as amended ("Sarbanes Oxley Act"), were signed to April 7, 2026. No other changes have been made to the Original Quarterly Report, and this Quarterly Report on Form 10-Q/A does not amend, update, or restate any financial statements or other disclosures contained therein.

The Company has not updated the disclosures contained in the Original Quarterly Report to reflect events occurring subsequent to the original filing.

The Company has included as exhibits to this Quarterly Report on Form 10-Q/A updated certifications, dated April 7, 2026, from its principal executive officer and principal financial officer pursuant to Sections 302 and 906 of the Sarbanes-Oxley Act.

UniFirst Corporation

Quarterly Report on Form 10-Q

For the Thirteen and Twenty-Six Weeks Ended February 28, 2026

Table of Contents

Part I - FINANCIAL INFORMATION

4

Item 1 - Financial Statements (unaudited)

4

Consolidated Statements of Income for theThirteen and Twenty-Six Weeks ended February 28, 2026 and March 1, 2025

4

Consolidated Statements of Comprehensive Income for the Thirteen and Twenty-Six Weeks endedFebruary 28, 2026 and March 1, 2025

5

Consolidated Balance Sheets as ofFebruary 28, 2026and August 30, 2025

6

Consolidated Statements of Shareholders' Equity for the Thirteen and Twenty-Six Weeks endedFebruary 28, 2026 and March 1, 2025

7

Consolidated Statements of Cash Flows for the Twenty-Six WeeksendedFebruary 28, 2026 and March 1, 2025

8

Notes to Consolidated Financial Statements

9

Item 2 - Management's Discussion and Analysis of Financial Condition and Results of Operations

21

Item 3 - Quantitative and Qualitative Disclosures About Market Risk

30

Item 4 - Controls and Procedures

31

Part II - OTHER INFORMATION

33

Item 1 - Legal Proceedings

33

Item 1A - Risk Factors

33

Item 2 - Unregistered Sales of Equity Securities and Use of Proceeds

37

Item 3 - Defaults Upon Senior Securities

37

Item 4 - Mine Safety Disclosures

37

Item 5 - Other Information

37

Item 6 - Exhibits

38

Signatures

39

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