X0201 4 2004-01-27 0 0000319201 KLA TENCOR CORP klac 0001186087 LEVY KENNETH 160 RIO ROBLES SAN JOSE CA 95134 1 1 0 0 Chairman of the Board Common Stock 24130 D Common Stock 358000 I KGMW, LP Common Stock 40000 I Levy Family Foundation Common Stock 2003-08-20 5 G 0 E 2500 D 1783366 I by Levy Family Trust Common Stock 4000 I by Mark Levy Trust Common Stock 6000 I by Wayne Levy Trust Non-Qualified Stock Option 9.31 1999-07-26 2004-07-26 Common Stock 105000 105000 D Non-Qualified Stock Option 10.63 1999-08-31 2008-08-31 Common Stock 204272 204272 D Non-Qualified Stock Option 10.81 1997-10-07 2006-10-08 Common Stock 125000 125000 D Non-Qualified Stock Option 16.97 1999-10-23 2008-10-23 Common Stock 220728 220728 D Non-Qualified Stock Option 26.25 2001-11-10 2010-11-10 Common Stock 18951 18951 D Non-Qualfied Stock Option 29.31 2002-10-02 2011-10-02 Common Stock 28425 28425 D Non-Qualified Stock Option 32.75 2002-04-04 2011-04-04 Common Stock 18951 18951 D Non-Qualified Stock Option 33.75 2000-10-27 2009-10-27 Common Stock 90000 90000 D Non-Qualified Stock Option 34.67 2003-11-08 2013-01-28 Common Stock 15724 15724 D Non-Qualified Stock Option 37.05 2003-11-08 2012-11-08 Common Stock 7863 7863 D Non-Qualified Stock Option 44.6875 2000-08-13 2010-08-13 Common Stock 37901 37901 D Non-Qualified Stock Option 51.229 2003-11-08 2013-07-30 Common Stock 7863 7863 D Non-Qualified Stock Option 53.86 2004-10-27 2013-10-27 Common Stock 12000 12000 D Non-Qualified Stock Option 58.1 2004-01-27 4 A 0 6000 0 A 2004-10-27 2014-01-27 Common Stock 6000 6000 D Gift of 2,500 shares reportable on Form 5; reporting early on Form 4 Kenneth Levy 2004-01-29