/C O R R E C T I O N from Source -- Investment Industry Regulatory Organization of Canada (IIROC) - Halts/Resumptions/

In the news release, IIROC Trading Halt - NOA.DB.A, issued 01-Jun-2021 by Investment Industry Regulatory Organization of Canada (IIROC) - Halts/Resumptions over CNW, we are advised by the company that the ticker symbol was incorrect. The ticker symbol should read "NOA.DB.B" rather than "NOA.DB.A" as originally issued inadvertently. The complete, corrected release follows:

IIROC Trading Halt - NOA.DB.B

TORONTO, June 1, 2021 /CNW/ - The following issues have been halted by IIROC:

Company: North American Construction Group Ltd.

TSX Symbol: NOA.DB.B

All Issues: No

Reason: Pending Closing

Halt Time (ET): 8:00 AM

IIROC can make a decision to impose a temporary suspension (halt) of trading in a security of a publicly-listed company. Trading halts are implemented to ensure a fair and orderly market. IIROC is the national self-regulatory organization which oversees all investment dealers and trading activity on debt and equity marketplaces in Canada.

SOURCE Investment Industry Regulatory Organization of Canada (IIROC) - Halts/Resumptions

For further information: For further information about IIROC's trading halt policy, please see Trading Halts & Timely Disclosure (http://www.iiroc.ca/industry/marketmonitoringanalysis/Pages/Trading-Halts-Timely-Disclosure.aspx) at www.iiroc.ca under the Halts & Resumptions tab. Please note that IIROC staff cannot provide any information about a specific halt beyond what is contained in this halt notice. For general information about IIROC, contact IIROC's Complaints & Inquiries team at inquiries@iiroc.ca or 1-877-442-4322 (Option 2). For company-related enquiries, contact the company directly.