SPOKANE, Wash.--(BUSINESS WIRE)--Clearwater Paper Corporation (NYSE:CLW), a premier independent supplier of bleached paperboard to North American converters, today reported financial results for the fourth quarter and year ended December 31, 2025. 2025 FULL YEAR HIGHLIGHTS Net sales of $1.6 billion, up 12% compared to 2024, with volumes up 14%, primarily from operating the Augusta facility for the full year Net loss from continuing operations of $53 million, or $3.28 per diluted share, primaril.