NOA North American Construction Group Ltd

North American Construction Group Ltd. (“NACG” or “the Company”) (TSX:NOA/NYSE:NOA) today announced that it has filed amended consolidated financial statements for the three and six months ended June 30, 2018, to correct a footnote table that summarizes the effects on the Company's consolidated statements of cash flows of adopting the new revenue standard.

The correction is included in the Notes to Interim Consolidated Financial Statements under "Note 3(a(i)) - Revenue from Contracts with Customers" and resulted in an amendment to the six months ended June 30, 2018 “As Reported” and “Balances without adoption of Topic 606” columns.

The following table summarizes the effects of adopting the new revenue standard on the Company's consolidated statements of cash flows for the three and six months ended June 30, 2018:

	Three months ended June 30, 2018												Six months ended June 30, 2018
(in thousands)	As Reported				Adjustments				Balances without adoption of Topic 606				As Reported				Adjustments				Balances without adoption of Topic 606
Cash provided by (used in):
Operating activities:
Net income	$	33			$	243			$	276			$	11,164			$	23			$	11,187
Deferred income tax expense	8				91				99				4,135				9				4,144
Net changes in non-cash working capital (note 10(b))	12,130				(334		)		11,796				13,733				(32		)		13,701
	25,789				—				25,789				64,825				—				64,825
Decrease in cash	$	(9,269	)		$	—			$	(9,269	)		$	(5,350	)		$	—			$	(5,350	)

The amended consolidated financial statements supersede the consolidated financial statements filed on July 31, 2018.

About the Company

North American Construction Group Ltd. (www.nacg.ca) is the premier provider of heavy construction and mining services in Canada. For more than 60 years, NACG has provided services to large oil, natural gas and resource companies. The Company maintains one of the largest equipment fleets in the region.

For further information contact:

David Brunetta, CPA, CMADirector; Investor RelationsNorth American Construction Group Ltd.(780) 969-5574dbrunetta@nacg.ca