North American Construction Group Ltd. — Proxy Solicitation & Information Statement 2025

Mar 7, 2025

Computershare
324-8th Avenue SW, 8th floor
Calgary AB, T2P 2Z2
www.computershare.com

Date: March 7, 2025

To: All Canadian Securities Regulatory Authorities
New York Stock Exchange

Subject: NORTH AMERICAN CONSTRUCTION GROUP LTD.

Dear Sir/Madam:

We advise of the following with respect to the upcoming Meeting of Security Holders for the subject Issuer:

Meeting Type: Annual General Meeting
Record Date for Notice of Meeting: April 03, 2025
Record Date for Voting (if applicable): April 03, 2025
Beneficial Ownership Determination Date: April 03, 2025
Meeting Date: May 14, 2025
Meeting Location (if available): Acheson, AB
Issuer sending proxy related materials directly to NOBO: Yes
Issuer paying for delivery to OBO: Yes

Notice and Access (NAA) Requirements:

NAA for Beneficial Holders: No
NAA for Registered Holders: No

Voting Security Details:

Description	CUSIP Number	ISIN
COMMON SHARES	656811106	CA6568111067

Sincerely,

Computershare

Agent for NORTH AMERICAN CONSTRUCTION GROUP LTD.