X0306 4 2019-10-22 0 0000717954 UNIFIRST CORP UNF 0001453910 Sintros Steven S C/O UNIFIRST CORP 68 JONSPIN ROAD WILMINGTON MA 01887 1 1 0 0 President and CEO Common Stock 2019-10-22 4 F 0 226 195.04 D 8091 D Common Stock 2019-10-29 4 A 0 2737 0.00 A 10828 D Common Stock 2019-10-29 4 F 0 1218 201.24 D 9610 D Common Stock 2019-10-29 4 A 0 3479 0.00 A 13089 D Stock Appreciation Right 201.24 2019-10-29 4 A 0 7808 0.00 A 2029-10-29 Common Stock ($0.10 par value) 7808 7808 D Represents shares of Common Stock withheld by UniFirst Corporation to satisfy certain tax withholding obligations in connection with the vesting of certain restricted stock units that were earned by Mr. Sintros. Represents restricted stock units that were earned based on the achievement of certain performance criteria and which vested. Represents shares of Common Stock withheld by UniFirst Corporation to satisfy certain tax withholding obligations in connection with the vesting of certain restricted stock units that were earned by Mr. Sintros. Represents restricted stock units granted to Mr. Sintros under the UniFirst Corporation Amended and Restated 2010 Stock Option and Incentive Plan. Such restricted stock units vest 20% per year on each anniversary of the grant date with the first vesting occurring on October 29, 2020. This Stock Appreciation Right becomes vested and exercisable 20% per year on each anniversary of the grant date with the first vesting occurring on the first anniversary of the grant date. /s/ David Whitman, Attorney-in-Fact 2019-10-31