North American Construction Group News Releases October 27, 2021 North American Construction Group Ltd. Announces Results for the Third Quarter Ended September 30, 2021 October 15, 2021 North American Construction Group Ltd. Third Quarter Results Conference Call and Webcast Notification October 14, 2021 North American Construction Group Ltd. Announces Financial Close of Major Infrastructure Project September 29, 2021 North American Construction Group Ltd. Announces Amended and Extended Credit Facility September 14, 2021 North American Construction Group Ltd. Announces $275M Oil Sands Contract Award and Extension July 28, 2021 North American Construction Group Ltd. Announces Results for the Second Quarter Ended June 30, 2021 July 21, 2021 North American Construction Group Ltd. Announces Increase in Committed Scope and Volume July 15, 2021 North American Construction Group Ltd. Second Quarter Results Conference Call and Webcast Notification June 21, 2021 North American Construction Group Ltd. Announces Award of Major Infrastructure Project Older Posts Acheson Head Office & Shop Phone: 780.960.7171 Fax: 780.960.7103 27287 — 100 Avenue Acheson, Alberta, Canada T7X 6H8 Privacy Policy | © Copyright 2021.

North American Construction Group Conference Calls Fiscal 2021 Third Quarter North American Construction Group Ltd. will release its financial results for the Third Quarter ended September 30, 2021, on Wednesday, October 27, 2021, after markets close. Following the release of its financial results, NACG will hold a conference call and webcast on Thursday, October 28, 2021, at 7:00 a.m. Mountain Time (9:00 a.m. Eastern Time). The call can be accessed by dialing: Toll free: 1-844-248-9143 International: 1-216-539-8612 Conference ID: 3877776 A replay will be available through November 28, 2021, by dialing: Toll Free: 1-855-859-2056 International: 1-404-537-3406 Conference ID: 3877776 A slide deck for the webcast will be available for download the evening prior to the call and will be found on the company’s website at www.nacg.ca/presentations/. The live presentation and webcast can be accessed at: https://onlinexperiences.com/Launch/QReg/ShowUUID=905E6D5A-D5F0-4582-81D8-BB2022992279 A replay will be available until November 28, 2021, using the link provided. Acheson Head Office & Shop Phone: 780.960.7171 Fax: 780.960.7103 27287 — 100 Avenue Acheson, Alberta, Canada T7X 6H8 Privacy Policy | © Copyright 2021.