Northbrook, Illinois, USA 08 September 2015 -- /PRNewswire/ -- KapStone Paper and Packaging Corporation (NYSE: KS) ("KapStone" or the "company") has received and agreed to an offer from the Association of Western Pulp and Paper Workers Union Local 153 to unconditionally return to work from their strike that commenced on August 27.

The company will initiate an orderly transition process bringing back Mill employees beginning today and will gradually ramp up to full employment and production over the next week. Longview Box employees have already been scheduled in as of Monday.

About the Company

Headquartered in Northbrook, IL, KapStone Paper and Packaging Corporation is the fifth largest producer of containerboard and corrugated packaging products and is the largest kraft paper producer in the United States. The Company has four paper mills, 21 converting plants and 65 distribution centers. The business has approximately 6,200 employees.