KLA TENCOR CORP
EXHIBIT 10.01
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<TYPE>EX-10.01
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<DESCRIPTION>EXHIBIT 10.01
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<DIV align="right" style="font-size: 10pt; margin-top: 12pt"><B>Exhibit&nbsp;10.01</B>
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<DIV align="left" style="font-size: 24pt; margin-top: 18pt; margin-left:49%"><B><I>News Release </I></b>
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    <TD valign="top"><DIV style="margin-left:0px; text-indent:-0px">&nbsp;
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    <TD>&nbsp;</TD>
    <TD align="left" valign="top"><B>Company Contacts:</B>
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    <TD>&nbsp;</TD>
    <TD align="left" valign="top">Jeff Hall</TD>
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    <TD>&nbsp;</TD>
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    <TD align="left" valign="top">Chief Financial Officer</TD>
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    <TD align="left" valign="top">(408) 875-6800</TD>
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    <TD align="left" valign="top">jeff.hall@kla-tencor.com</TD>
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    <TD align="left" valign="top">Cary Halsted (Investment Community)</TD>
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    <TD>&nbsp;</TD>
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    <TD align="left" valign="top">Vice President, Investor Relations</TD>
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    <TD align="left" valign="top">(408) 875-4094</TD>
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    <TD align="left" valign="top">cary.halsted@kla-tencor.com</TD>
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    <TD align="left" valign="top">Kyra Whitten (Media)</TD>
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    <TD align="left" valign="top" nowrap>Sr. Director, Corporate Communications</TD>
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    <TD align="left" valign="top">(408) 875-7819</TD>
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    <TD align="left" valign="top">Kyra.whitten@kla-tencor.com</TD>
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    <TD align="left" valign="top"><B>Agency Contact:</B>
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    <TD align="left" valign="top">Jane Evans-Ryan (Media)</TD>
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    <TD align="left" valign="top">Business Press Director, MCA</TD>
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    <TD>&nbsp;</TD>
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    <TD>&nbsp;</TD>
    <TD align="left" valign="top">(650) 968-8900</TD>
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    <TD align="left" valign="top">jryan@mcapr.com</TD>
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<DIV align="left" style="font-size: 10pt; margin-top: 12pt"><B>FOR IMMEDIATE RELEASE</B>
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<DIV align="center" style="font-size: 10pt; margin-top: 18pt"><B>KLA-TENCOR DECLARES REGULAR CASH DIVIDEND FOR<BR>
FOURTH QUARTER FISCAL YEAR 2006</B>
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<DIV align="left" style="font-size: 10pt; margin-top: 6pt">SAN
JOSE, Calif., May&nbsp;5, 2006 &#151; KLA-Tencor Corporation (NASDAQ: KLAC) today announced that its
board of directors has declared a quarterly cash dividend of $.12 per share on its common stock
payable on June&nbsp;1, 2006 to KLA-Tencor stockholders of record on May&nbsp;15, 2006.
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<DIV align="left" style="font-size: 10pt; margin-top: 6pt"><B>About KLA-Tencor: </B>KLA-Tencor is the world leader in yield management and process
control solutions for semiconductor manufacturing and related industries. Headquartered in
San Jose, Calif., the company has sales and service offices around the world. An S&#038;P 500
company, KLA-Tencor was named one of the Best Managed Companies in America for 2005 by
<I>Forbes Magazine </I>and is the only company in the semiconductor industry to receive the
accolade for this year. KLA-Tencor is traded on the Nasdaq National Market under the symbol KLAC. Additional information about the company
is available on the Internet at <u>http://www.kla-tencor.com</u>
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