Northbrook, Illinois, USA, 27 May 2009 -- /PRNewswire/ -- KapStone Paper and Packaging Corporation (Nasdaq: KPPC), a leading North American producer of unbleached kraft paper products and linerboard, is planning to accelerate the release of its second quarter 2009 earnings.

In consideration of the outstanding warrants that will expire on 15 August 2009, and to allow warrant holders time to evaluate the company's results before the expiration of the warrants, the company is planning to release its second quarter earnings by up to 10 days earlier than its quarterly SEC reporting deadline of 10 August 2009. The company's ability to accelerate the earnings release is dependent on satisfactory completion of ordinary quarterly closing procedures. In July, the company will announce the actual reporting date.