X0202 4 2005-06-08 0 0000846909 ENTERASYS NETWORKS INC /DE/ ETS 0001219008 MAHEU RONALD T 50 MINUTEMAN ROAD ANDOVER MA 01810 1 0 0 0 Stock Option (Right to Buy) 0.92 2005-06-08 4 A 0 25000 0 A 2012-06-08 Common Stock, Par Value $.01 per share 25000 25000 D This option vests on the date which is the earlier of (x) the third anniversary of the date of grant and (y) the date immediately prior to the date of the Corporation's third annual meeting of stockholders held after the date of grant. /s/ Gerald M. Haines II as attorney in fact for Ronald Maheu 2005-06-08