0000920371-99-000016 8-K 2 19991231 5 19990524 SIMPSON MANUFACTURING CO INC /CA/ 0000920371 3420 943196943 CA 1231 8-K 34 001-13429 99632986 4637 CHABOT DR STE 200 PLEASANTON CA 94588 5106099912 4637 CHABOT DR STE 200 PLEASANTON CA 94588 8-K 1 000092037199000016-001-seq1-8-k.txt EX-2 2 000092037199000016-002-seq2-ex-2.txt AGREEMENT AND PLAN OF MERGER