Exhibit (21)

Clearwater Paper Corporation

Subsidiaries

Entity	Jurisdiction of Incorporation or formation	Name Under Which Entity Conducts Business
Cellu Tissue Holdings, Inc.	Delaware	Clearwater Paper Group
Cellu Tissue Corporation – Natural Dam	Delaware	Clearwater Paper – Natural Dam
Cellu Tissue Corporation – Neenah	Delaware	Clearwater Paper – Neenah
Cellu Tissue, LLC	Delaware	Clearwater Paper – East Hartford
Clearwater Paper – Wiggins, LLC	Delaware	None
Menominee Acquisition Corporation	Delaware	Clearwater Paper – Menominee
Cellu Tissue – Long Island, LLC	Delaware	Clearwater Paper – Long Island
Cellu Tissue Corporation – Oklahoma City	Delaware	Clearwater Paper – Oklahoma City
Interlake Acquisition Corporation Limited	Nova Scotia	Clearwater Paper – St. Catharines
Cellu Tissue – CityForest, LLC	Minnesota	Clearwater Paper – Ladysmith
Clearwater Fiber, LLC	Delaware	None