0000874716-03-000089 S-8 POS 1 20030918 20030918 IDEXX LABORATORIES INC /DE 0000874716 2835 010393723 DE 1231 S-8 POS 33 333-11201 03901177 ONE IDEXX DRIVE WESTBROOK ME 04092-2041 2078560300 ONE IDEXX DRIVE WESTBROOK ME 04092-2041 IDEXX CORP / DE 19600201 S-8 POS 1 pos1s8_1991sop.htm POS NO. 1 TO S-8 1991 STOCK OPTION PLAN