0001275287-06-003966 8-K 2 20060728 8.01 20060731 20060731 SIMPSON MANUFACTURING CO INC /CA/ 0000920371 3420 943196943 DE 1231 8-K 34 001-13429 06990527 4120 DUBLILN BLVD STE 400 DUBLIN CA 94568 9255609000 4120 DUBLIN BLVD STE 400 DUBLIN CA 94568 8-K 1 sm6603.htm FORM 8-K EX-99.1 2 sm6603ex991.htm EXHIBIT 99.1