0001157523-06-004013 8-K 2 20060425 2.02 9.01 20060425 20060425 POTLATCH CORP 0001338749 6798 820156045 DE 1231 8-K 34 001-32729 06776877 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 a5131649.txt POTLATCH CORP. 8-K EX-99.1 2 a5131649ex99_1.txt EXHIBIT 99.1