0001299933-05-002051 8-K 2 20050428 2.02 9.01 20050428 20050428 PEGASYSTEMS INC 0001013857 7374 042787865 MA 1231 8-K 34 001-11859 05781827 101 MAIN ST CAMBRIDGE MA 02142-1590 6173749600 101 MAIN ST CAMBRIDGE MA 02142-1590 8-K 1 htm_4460.htm LIVE FILING EX-99.1 2 exhibit1.htm EX-99.1