4/A 2003-05-22 2003-05-27 0 0000319201 KLA TENCOR CORP klac 0001186085 FORTINO DENNIS J 0 1 0 0 Executive Vice President Non-Qualified Stock Option 40.14 2003-05-22 4 A 0 1000 0 A 2004-05-22 2013-05-22 Common Stock 1000 1000 D Transaction Originally Reported on 5/27/2003 Form 4 Filing Table I Non-Derivative Securities Beneficially Owned, not reported on original Form 4 Filing Title of Security Amount of Securities Ownership Form Common Stock 4,713 Direct Table II-Derivative Securities Beneficially Owned, not reported on original Form 4 Title of Derivative Exercise Price Expiration Title Shares Ownership NQSO $10.63 08/31/08 Common Stock 4,667 Direct NQSO $26.25 11/10/10 Common Stock 15,750 Direct NQSO $29.31 10/02/11 Common Stock 45,000 Direct NQSO $32.75 04/04/11 Common Stock 22,500 Direct NQSO $33.75 10/27/09 Common Stock 60,000 Direct NQSO $34.67 01/28/13 Common Stock 25,000 Direct NQSO $37.05 11/08/12 Common Stock 12,500 Direct NQSO $44.6875 08/11/10 Common Stock 5,370 Direct NQSO $44.6875 08/13/10 Common Stock 39,630 Direct Dennis J. Fortino 2003-06-25