DOMTAR CORPORATION – SUBSIDIARY COMPANIES

Exhibit 21

As of December 31, 2022

Domtar Corporation
	Domtar Industries LLC
		Domtar Funding Limited Liability Company
		E.B. Eddy Paper, Inc.
	Ariva Distribution Inc.
	Domtar A.W. LLC
		Domtar Wisconsin Dam Corp.
	Domtar Europe Sprl
	Domtar AI Inc.
		EAM Corporation
			Palmetto Enterprises LLC
	Domtar Paper Company, LLC
		Domtar Delaware Holdings, LLC
		West Carrollton Paper LLC
		Domtar Delaware Holdings Inc.
			Domtar Luxembourg Investments Sarl
				Domtar Inc.
					13536637 Canada Inc.
					Domtar Pulp and Paper General Partnership (held 0.001% by 13536637 Canada Inc. and 99.999% by DInc)
					Domtar Asia Limited
					Domtar Hong Kong Limited (held 34% by DInc. and 66% by DPC, LLC)

AFFILIATED COMPANIES - (% held)

Celluforce Inc.		(44%)
Clergue Forest Management Inc.	-	(42%)
Dryden Forest Management Company Ltd		(8.33% voting shares)
Red Lake Forest Management Inc.	-	(50% of class A shares)
Red Lake Independent Loggers Co. Ltd.		(33.3%)
Northshore Forest Inc.		(42%)
Ondaadiziwin Forest Management Inc.		(25%)
Prisma Renewable Composites, LLC		(32%)
Vermilion Forest Management Co.		(24.17 class A shares)