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UNITED STATES
SECURITIES AND EXCHANGE COMMISSION
Washington, DC 20549
 

FORM 8-K
CURRENT REPORT
Pursuant to Section 13 or 15(d) of the
Securities Exchange Act of 1934
Date of Report (Date of earliest event reported): May 26, 2006
 
KLA-TENCOR CORPORATION
(Exact name of registrant as specified in its charter)
         
DELAWARE
(State or other jurisdiction
of incorporation)
  000-09992
(Commission File Number)
  04-2564110
(IRS Employer
Identification No.)
160 Rio Robles
San Jose, California
95134
(Address of principal executive offices, including zip code)
(408) 875-3000 (Registrant’s telephone number, including area code)
N/A
(Former name or former address, if changed since last report)
Check the appropriate box below if the Form 8-K filing is intended to simultaneously satisfy the filing obligation of the registrant under any of the following provisions (see General Instruction A.2. below):
o Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425)
o Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12)
o Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b))
o Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c))
 
 

 


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Item 8.01 Other Events
SIGNATURES


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Item 8.01 Other Events
KLA-Tencor Corporation announced today that it received notice from the Securities and Exchange Commission of an informal inquiry relating to past stock option grants. KLA-Tencor will cooperate fully with this investigation.

 


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SIGNATURES
     Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned hereunto duly authorized.
         
    KLA-TENCOR CORPORATION
 
 
  By:   /s/ Stuart J. Nichols    
    Stuart J. Nichols   
    Vice President and General Counsel   
 
Date: May 26, 2006