X0202 SCHEDULE 13G/A 0001172661-26-001684 0001021926 XXXXXXXX LIVE 1 Common stock, par value $0.0001 per share 06/30/2026 0001368519 North American Construction Group Ltd. 656811106 27287-100 Avenue Acheson, Alberta A0 T7X 6H8 Rule 13d-1(b) CIBC Global Asset Managment Inc. A6 1354606.00 0.00 1354606.00 0.00 1354606.00 N 4.84 IA North American Construction Group Ltd. 27287 - 100 Avenue, Acheson, Alberta, Canada, T7X 6H8 CIBC Global Asset Management Inc. 81 Bay Street, 20th Floor, Toronto, Ontario, Canada M5J 0E7 Canada N IA HC 1,354,606.00 4.84% 1,354,606.00 0 1,354,606.00 0 N Y Y Y Y Y N By signing below I certify that, to the best of my knowledge and belief, the securities referred to above were acquired and are held in the ordinary course of business and were not acquired and are not held for the purpose of or with the effect of changing or influencing the control of the issuer of the securities and were not acquired and are not held in connection with or as a participant in any transaction having that purpose or effect, other than activities solely in connection with a nomination under § 240.14a-11. By signing below I certify that, to the best of my knowledge and belief, the securities referred to above were not acquired and are not held for the purpose of or with the effect of changing or influencing the control of the issuer of the securities and were not acquired and are not held in connection with or as a participant in any transaction having that purpose or effect, other than activities solely in connection with a nomination under § 240.14a-11. CIBC Global Asset Managment Inc. /s/ Jean Gauthier 08/03/2026