UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 4 STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP [ ] Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. 1. Name and Address of Reporting Person(s) Nichols, Stuart J 704 Vera Cruz Avenue . . Los Altos, CA 94022 2. Issuer Name and Ticker or Trading Symbol KLA-Tencor Corporation (KLAC) 3. I.R.S. Identification Number of Reporting Person, if an entity (Voluntary) 4. Statement for Month/Year 11/02 5. If Amendment, Date of Original (Month/Year) 6. Relationship of Reporting Person(s) to Issuer (Check all applicable) [ ] Director [ ] 10% Owner [X] Officer (give title below) [ ] Other (specify below) Vice President and General Counsel 7. Individual or Joint/Group Filing (Check Applicable Line) [X] Form filed by One Reporting Person [ ] Form filed by More than One Reporting Person
Table I Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned - ------------------------------------------------------------------------------------------------------------------------------------ 1)Title of Security 2)Trans- 3.Trans- 4.Securities Acquired(A) 5)Amount of 6) 7)Nature of action action or Disposed of (D) Securities Indirect Date Code A Beneficially D Beneficial (Month/ or Owned at or Ownership Day/Year) Code V Amount D Price End of Month I - ------------------------------------------------------------------------------------------------------------------------------------ Common Stock 425 D Direct Table II (PART 1) Derivative Securities Acquired, Disposed of, or Beneficially Owned (Columns 1 through 6) - ------------------------------------------------------------------------------------------------------------------------------------ 1)Title of Derivative 2)Conversion 3)Trans- 4)Trans- 5)Number of Derivative 6)Date Exercisable and Security or Exercise action action Securities Acquired (A) Expiration Date Price of Date Code or Disposed of (D) Derivative Security Code V A D Exercisable Expiration - ------------------------------------------------------------------------------------------------------------------------------------ Non-Qualified Stock Option $26.2500 11/10/10 (right to buy) Non-Qualified Stock Option $29.3100 10/02/11 (right to buy) Non-Qualified Stock Option $32.7500 04/04/11 (right to buy) Non-Qualified Stock Option $33.7500 10/27/09 (right to buy) Non-Qualified Stock Option $37.0500 11/08/02 A 3,250 11/08/12 (right to buy) Non-Qualified Stock Option $44.6875 08/13/10 (right to buy) Table II (PART 2) Derivative Securities Acquired, Disposed of, or Beneficially Owned (Columns 1,3 and 7 through 11) - ------------------------------------------------------------------------------------------------------------------------------------ 1)Title of Derivative 3)Trans- 7)Title and Amount 8)Price 9)Number of 10) 11)Nature of Security action of Underlying of Deri- Derivative Indirect Date Securities vative Securities D Beneficial Amount or Security Beneficially or Ownership Number of Owned at I - Title Shares End of Month - ------------------------------------------------------------------------------------------------------------------------------------ Non-Qualified Stock Option Common Stock 4,300 4,300 D Direct (right to buy) Non-Qualified Stock Option Common Stock 12,000 12,000 D Direct (right to buy) Non-Qualified Stock Option Common Stock 6,000 6,000 D Direct (right to buy) Non-Qualified Stock Option Common Stock 21,000 21,000 D Direct (right to buy) Non-Qualified Stock Option 11/08/02 Common Stock 3,250 3,250 D Direct (right to buy) Non-Qualified Stock Option Common Stock 12,000 12,000 D Direct (right to buy) Explanation of Responses:
SIGNATURE OF REPORTING PERSON /S/ Nichols, Stuart J DATE 11/11/02