0001157523-09-004441 8-K 2 20090611 8.01 9.01 20090612 20090611 POTLATCH CORP 0001338749 6798 820156045 DE 1231 8-K 34 001-32729 09888022 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 8-K 1 a5985563.htm POTLATCH CORPORATION 8-K EX-99.1 2 a5985563ex99-1.htm EXHIBIT 99.1