X0508 4 2025-07-25 1 0000914122 Perma-Pipe International Holdings, Inc. PPIH 0001689708 Mansfield David J 25025 INTERSTATE 45 SUITE 200 THE WOODLANDS TX 77380 1 Former President & CEO 0 Common Stock 2025-07-25 4 F 0 5846 24.02 D 271448 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. /s/ David J. Mansfield 2025-07-28