0001157523-06-007604 8-K 2 20060731 2.02 9.01 20060731 20060731 POTLATCH CORP 0001338749 6798 820156045 DE 1231 8-K 34 001-32729 06989581 601 WEST RIVERSIDE AVENUE SUITE 1100 SPOKANE WA 99201 (509) 835-1500 601 WEST RIVERSIDE AVENUE SUITE 1100 SPOKANE WA 99201 Potlatch Holdings, Inc. 20050914 8-K 1 a5198477.txt POTLATCH CORP. 8-K EX-99.1 2 a5198477ex99-1.txt EXHIBIT 99.1