9999999997-09-017129 ARS 1 20081231 20090406 20090416 20090406 POTLATCH CORP 0001338749 6798 820156045 DE 1231 ARS 34 001-32729 09010185 601 WEST FIRST AVENUE SUITE 1600 SPOKANE WA 99201 (509) 835-1500 601 WEST FIRST AVENUE SUITE 1600 SPOKANE WA 99201 Potlatch Holdings, Inc. 20050914 ARS 1 9999999997-09-017129.paper AUTO-GENERATED PAPER DOCUMENT