X0407 4 2023-06-22 0000914122 Perma-Pipe International Holdings, Inc. PPIH 0001689708 Mansfield David J 24900 PITKIN RD. SUITE 309 SPRING TX 77386 1 President & CEO 0 Common Stock 2023-06-22 4 F 0 3834 9.70 D 225829 D Common Stock 2023-06-22 4 A 0 34242 0 A 260071 D The shares of common stock underlying the restricted stock reported as disposed herein were withheld by the issuer in satisfaction of tax withholding obligations associated with the vesting of restricted stock. Restricted shares that vest 1/3 on each of the three anniversaries of the grant date. /s/ David J. Mansfield 2023-06-27