X0203 0001143313 AMERICAN STOCK EXCHANGE LLC 0000812121 CRITICARE SYSTEMS INC /DE/ 001-31943

20925 Crossroad Circle, Suite 100 Waukesha WI WISCONSIN 53186

(414) 798 - 8282 Common Stock, Par Value $.004 17 CFR 240.12d2-2(a)(3) Kerri L. Ramirez Manager, Corporate Actions and Proxy Rulings 2008-04-11