KLAC

SEC source: 0001181431-10-047390 · rrd286413.xml · nonDerivative · entry 2

WALLACE RICHARD P · CIK 0001196898 · Director · President and CEO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 119,092

F2 · shares: Pursuant to the terms of the September 19, 2006 RSU grant, 14,588 shares of KLA-Tencor common stock were automatically withheld at vesting to cover required tax withholding. Because the vesting date of such RSUs occurred on a day on which the NASDAQ Stock Market was closed for trading, the fair market value of KLA-Tencor common stock used for purposes of calculating the number of shares to be withheld was the closing price of KLA-Tencor common stock as reported on the last completed trading day immediately prior to such vesting date.

SEC source: 0001181431-10-047390 · rrd286413.xml · nonDerivative · entry 1

WALLACE RICHARD P · CIK 0001196898 · Director · President and CEO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 133,680

F1 · price: On September 19, 2006, Mr. Wallace received a grant of restricted stock units ("RSUs") covering 62,500 shares of KLA-Tencor common stock. On September 19, 2010, Mr. Wallace vested in fifty percent (50%) of such RSUs.

SEC source: 0001181431-10-047391 · rrd286412.xml · nonDerivative · entry 2

Kirloskar Virendra A · CIK 0001430600 · SVP & Chief Accounting Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 15,006

F2 · shares: Pursuant to the terms of the September 19, 2006 RSU grant, 1,468 shares of KLA-Tencor common stock were automatically withheld at vesting to cover required tax withholding. Because the vesting date of such RSUs occurred on a day on which the NASDAQ Stock Market was closed for trading, the fair market value of KLA-Tencor common stock used for purposes of calculating the number of shares to be withheld was the closing price of KLA-Tencor common stock as reported on the last completed trading day immediately prior to such vesting date.

SEC source: 0001181431-10-047391 · rrd286412.xml · nonDerivative · entry 1

Kirloskar Virendra A · CIK 0001430600 · SVP & Chief Accounting Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 16,474

F1 · price: On September 19, 2006, Mr. Kirloskar received a grant of restricted stock units ("RSUs") covering 8,000 shares of KLA-Tencor common stock. On September 19, 2010, Mr. Kirloskar vested in fifty percent (50%) of such RSUs.

SEC source: 0001181431-10-046855 · rrd286242.xml · derivative · entry 3

BARNHOLT EDWARD W · CIK 0001142615 · Director · Chairman of the Board

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 10,000 shares

Expires 2010-11-10

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F3 · derivative.exercise_date: The options were originally granted for 10,000 shares of KLA-Tencor common stock and were immediately exercisable for all of the underlying shares on the date of grant.

SEC source: 0001181431-10-046855 · rrd286242.xml · nonDerivative · entry 1

BARNHOLT EDWARD W · CIK 0001142615 · Director · Chairman of the Board

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 30,289

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · shares: Shares acquired through cash exercise of stock options.

SEC source: 0001181431-10-041648 · rrd283451.xml · nonDerivative · entry 1

Kirloskar Virendra A · CIK 0001430600 · SVP & Chief Accounting Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 12,474

F1 · kind: This sale was effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on June 9, 2010.

SEC source: 0001181431-10-040863 · rrd282206.xml · nonDerivative · entry 2

WALLACE RICHARD P · CIK 0001196898 · Director · President and CEO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 361,695

F1 · security: Each restricted stock unit ("RSU") represents a contingent right to receive one share of KLA-Tencor common stock.

F3 · shares: Represents a grant of RSUs subject only to service-vesting requirements. Mr. Wallace will vest in fifty percent (50%) of the RSUs upon his completion of two years of service with KLA-Tencor measured from the grant date (August 5, 2010) and will vest in the remaining fifty percent (50%) upon his completion of an additional two years of service thereafter. The shares of common stock will be issued as the RSUs vest.

F4 · balance_after: Does not include performance-based RSUs, if any, held by the Reporting Person for which an assessment has not yet been made regarding the achievement of the applicable performance goals. Any such holdings will be reported on Form 4 within two business days of the date such assessment is made.

SEC source: 0001181431-10-040863 · rrd282206.xml · nonDerivative · entry 1

WALLACE RICHARD P · CIK 0001196898 · Director · President and CEO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 308,895

F1 · security: Each restricted stock unit ("RSU") represents a contingent right to receive one share of KLA-Tencor common stock.

F2 · shares: On August 6, 2009, in addition to the RSUs granted on that date that were subject only to service-vesting requirements (which RSUs have been previously reported on Form 4), Mr. Wallace was also granted RSUs covering up to 57,500 shares of KLA-Tencor common stock, subject to both performance-vesting and service-vesting requirements. Following the completion of KLA-Tencor's audited financial statements for the 2010 fiscal year, KLA-Tencor's Board of Directors determined on August 5, 2010 the level at which the corporate performance goals were attained and, based on the assessment, determined that the number of shares subject to the RSUs is 57,500. Mr. Wallace will vest in fifty percent (50%) of the RSUs upon his completion of two years of service with KLA-Tencor measured from the grant date (August 6, 2009) and will vest in the remaining fifty percent (50%) upon his completion of an additional two years of service thereafter. The shares of common stock will be issued as the RSUs vest.

F4 · balance_after: Does not include performance-based RSUs, if any, held by the Reporting Person for which an assessment has not yet been made regarding the achievement of the applicable performance goals. Any such holdings will be reported on Form 4 within two business days of the date such assessment is made.

SEC source: 0001181431-10-040864 · rrd282204.xml · nonDerivative · entry 4

Martin Brian · CIK 0001395281 · Senior VP & General Counsel

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 5,727

F7 · shares: Pursuant to the terms of the August 5, 2008 RSU grant, 2,752 shares of KLA-Tencor common stock were automatically withheld at vesting to cover required tax withholding. The fair market value of KLA-Tencor common stock used for purposes of calculating the number of shares to be withheld was the closing price of KLA-Tencor common stock as reported on the NASDAQ Stock Market on such vesting date.

SEC source: 0001181431-10-040864 · rrd282204.xml · nonDerivative · entry 3

Martin Brian · CIK 0001395281 · Senior VP & General Counsel

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 8,479

F6 · price: On August 5, 2008, Mr. Martin received a grant of RSUs covering 15,000 shares of KLA-Tencor common stock. On August 5, 2010, Mr. Martin vested in fifty percent (50%) of such RSUs.

SEC source: 0001181431-10-040864 · rrd282204.xml · nonDerivative · entry 2

Martin Brian · CIK 0001395281 · Senior VP & General Counsel

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 74,861

F1 · security: Each restricted stock unit ("RSU") represents a contingent right to receive one share of KLA-Tencor common stock.

F4 · shares: Represents a grant of RSUs subject only to service-vesting requirements. Mr. Martin will vest in fifty percent (50%) of the RSUs upon his completion of two years of service with KLA-Tencor measured from the grant date (August 5, 2010) and will vest in the remaining fifty percent (50%) upon his completion of an additional two years of service thereafter. The shares of common stock will be issued as the RSUs vest.

F5 · balance_after: Does not include performance-based RSUs, if any, held by the Reporting Person for which an assessment has not yet been made regarding the achievement of the applicable performance goals. Any such holdings will be reported on Form 4 within two business days of the date such assessment is made. Does include the impact of the vesting of certain RSUs on August 5, 2010, as reported on the lines below.

SEC source: 0001181431-10-040865 · rrd282202.xml · nonDerivative · entry 4

Kirloskar Virendra A · CIK 0001430600 · SVP & Chief Accounting Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 13,066

F7 · shares: Pursuant to the terms of the August 5, 2008 RSU grant, 1,468 shares of KLA-Tencor common stock were automatically withheld at vesting to cover required tax withholding. The fair market value of KLA-Tencor common stock used for purposes of calculating the number of shares to be withheld was the closing price of KLA-Tencor common stock as reported on the NASDAQ Stock Market on such vesting date.

F8 · balance_after: Includes 592 shares acquired under the KLA-Tencor Employee Stock Purchase Plan on June 30, 2010.

SEC source: 0001181431-10-040865 · rrd282202.xml · nonDerivative · entry 3

Kirloskar Virendra A · CIK 0001430600 · SVP & Chief Accounting Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 14,534

F6 · price: On August 5, 2008, Mr. Kirloskar received a grant of RSUs covering 8,000 shares of KLA-Tencor common stock. On August 5, 2010, Mr. Kirloskar vested in fifty percent (50%) of such RSUs.

F8 · balance_after: Includes 592 shares acquired under the KLA-Tencor Employee Stock Purchase Plan on June 30, 2010.

SEC source: 0001181431-10-040865 · rrd282202.xml · nonDerivative · entry 2

Kirloskar Virendra A · CIK 0001430600 · SVP & Chief Accounting Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 45,200

F1 · security: Each restricted stock unit ("RSU") represents a contingent right to receive one share of KLA-Tencor common stock.

F4 · shares: Represents a grant of RSUs subject only to service-vesting requirements. Mr. Kirloskar will vest in fifty percent (50%) of the RSUs upon his completion of two years of service with KLA-Tencor measured from the grant date (August 5, 2010) and will vest in the remaining fifty percent (50%) upon his completion of an additional two years of service thereafter. The shares of common stock will be issued as the RSUs vest.

F5 · balance_after: Does not include performance-based RSUs, if any, held by the Reporting Person for which an assessment has not yet been made regarding the achievement of the applicable performance goals. Any such holdings will be reported on Form 4 within two business days of the date such assessment is made. Does include the impact of the vesting of certain RSUs on August 5, 2010, as reported on the lines below.

SEC source: 0001181431-10-040866 · rrd282196.xml · nonDerivative · entry 2

DENTINGER MARK P · CIK 0001264142 · EVP & Chief Financial Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 141,150

F1 · security: Each restricted stock unit ("RSU") represents a contingent right to receive one share of KLA-Tencor common stock.

F4 · shares: Represents a grant of RSUs subject only to service-vesting requirements. Mr. Dentinger will vest in fifty percent (50%) of the RSUs upon his completion of two years of service with KLA-Tencor measured from the grant date (August 5, 2010) and will vest in the remaining fifty percent (50%) upon his completion of an additional two years of service thereafter. The shares of common stock will be issued as the RSUs vest.

F5 · balance_after: Does not include performance-based RSUs, if any, held by the Reporting Person for which an assessment has not yet been made regarding the achievement of the applicable performance goals. Any such holdings will be reported on Form 4 within two business days of the date such assessment is made.

SEC source: 0001181431-10-040864 · rrd282204.xml · nonDerivative · entry 1

Martin Brian · CIK 0001395281 · Senior VP & General Counsel

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 72,461

F1 · security: Each restricted stock unit ("RSU") represents a contingent right to receive one share of KLA-Tencor common stock.

F2 · shares: On August 3, 2009, in addition to the RSUs granted on that date subject only to service-vesting requirements (which were previously reported on Form 4), Mr. Martin was also granted RSUs covering up to 11,050 shares of KLA-Tencor common stock, subject to both performance-vesting and service-vesting requirements. Following the completion of KLA-Tencor's audited financial statements for the 2010 fiscal year, the Compensation Committee of KLA-Tencor's Board of Directors determined on August 4, 2010 the level at which the corporate performance goals were attained and, based on the assessment, determined that the number of shares subject to the RSUs is 11,050.

F3 · shares: Mr. Martin will vest in fifty percent (50%) of the RSUs upon his completion of two years of service with KLA-Tencor measured from the grant date (August 3, 2009) and will vest in the remaining fifty percent (50%) upon his completion of an additional two years of service thereafter. The shares of common stock will be issued as the RSUs vest.

F5 · balance_after: Does not include performance-based RSUs, if any, held by the Reporting Person for which an assessment has not yet been made regarding the achievement of the applicable performance goals. Any such holdings will be reported on Form 4 within two business days of the date such assessment is made. Does include the impact of the vesting of certain RSUs on August 5, 2010, as reported on the lines below.

SEC source: 0001181431-10-040865 · rrd282202.xml · nonDerivative · entry 1

Kirloskar Virendra A · CIK 0001430600 · SVP & Chief Accounting Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 44,250

F1 · security: Each restricted stock unit ("RSU") represents a contingent right to receive one share of KLA-Tencor common stock.

F2 · shares: On August 3, 2009, in addition to the RSUs granted on that date that were subject only to service-vesting requirements (which RSUs have been previously reported on Form 4), Mr. Kirloskar was also granted RSUs covering up to 5,900 shares of KLA-Tencor common stock, subject to both performance-vesting and service-vesting requirements. Following the completion of KLA-Tencor's audited financial statements for the 2010 fiscal year, the Compensation Committee of KLA-Tencor's Board of Directors determined on August 4, 2010 the level at which the corporate performance goals were attained and, based on the assessment, determined that the number of shares subject to the RSUs is 5,900.

F3 · shares: Mr. Kirloskar will vest in fifty percent (50%) of the RSUs upon his completion of two years of service with KLA-Tencor measured from the grant date (August 3, 2009) and will vest in the remaining fifty percent (50%) upon his completion of an additional two years of service thereafter. The shares of common stock will be issued as the RSUs vest.

F5 · balance_after: Does not include performance-based RSUs, if any, held by the Reporting Person for which an assessment has not yet been made regarding the achievement of the applicable performance goals. Any such holdings will be reported on Form 4 within two business days of the date such assessment is made. Does include the impact of the vesting of certain RSUs on August 5, 2010, as reported on the lines below.

SEC source: 0001181431-10-040866 · rrd282196.xml · nonDerivative · entry 1

DENTINGER MARK P · CIK 0001264142 · EVP & Chief Financial Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 123,000

F1 · security: Each restricted stock unit ("RSU") represents a contingent right to receive one share of KLA-Tencor common stock.

F2 · shares: On August 3, 2009, in addition to the RSUs granted on that date that were subject only to service-vesting requirements (which RSUs have been previously reported on Form 4), Mr. Dentinger was also granted RSUs covering up to 20,000 shares of KLA-Tencor common stock, subject to both performance-vesting and service-vesting requirements. Following the completion of KLA-Tencor's audited financial statements for the 2010 fiscal year, the Compensation Committee of KLA-Tencor's Board of Directors determined on August 4, 2010 the level at which the corporate performance goals were attained and, based on the assessment, determined that the number of shares subject to the RSUs is 20,000.

F3 · shares: Mr. Dentinger will vest in fifty percent (50%) of the RSUs upon his completion of two years of service with KLA-Tencor measured from the grant date (August 3, 2009) and will vest in the remaining fifty percent (50%) upon his completion of an additional two years of service thereafter. The shares of common stock will be issued as the RSUs vest.

F5 · balance_after: Does not include performance-based RSUs, if any, held by the Reporting Person for which an assessment has not yet been made regarding the achievement of the applicable performance goals. Any such holdings will be reported on Form 4 within two business days of the date such assessment is made.

SEC source: 0001181431-10-024921 · rrd274277.xml · nonDerivative · entry 2

Kirloskar Virendra A · CIK 0001430600 · SVP & Chief Accounting Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 9,942

F2 · shares: Pursuant to the terms of the May 5, 2008 RSU grant, 1,489 shares of KLA-Tencor common stock were automatically withheld at vesting to cover required tax withholding. The fair market value of KLA-Tencor common stock used for purposes of calculating the number of shares to be withheld was the closing price of KLA-Tencor common stock as reported on the NASDAQ Stock Market on such vesting date.

SEC source: 0001181431-10-024921 · rrd274277.xml · nonDerivative · entry 1

Kirloskar Virendra A · CIK 0001430600 · SVP & Chief Accounting Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 11,431

F1 · price: On May 5, 2008, Mr. Kirloskar received a grant of restricted stock units ("RSUs") covering 8,000 shares of KLA-Tencor common stock. On May 5, 2010, Mr. Kirloskar vested in fifty percent (50%) of such RSUs.

SEC source: 0001181431-10-010616 · rrd266846.xml · nonDerivative · entry 1

PATEL KIRAN M · CIK 0001187427 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 1,475

F1 · price: This transaction was executed in multiple trades at prices ranging from $29.88 to $29.89. The price reported above reflects the weighted average purchase price. The Reporting Person hereby undertakes to provide upon request to the SEC staff, the issuer or a security holder of the issuer full information regarding the number of shares and prices at which the transaction was effected.

SEC source: 0001181431-10-010619 · rrd263817.xml · nonDerivative · entry 2

WALLACE RICHARD P · CIK 0001196898 · Director · President and CEO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 101,753

F2 · shares: Pursuant to the terms of the February 17, 2006 RSU grant, 14,219 shares of KLA-Tencor common stock were automatically withheld at vesting to cover required tax withholding. The fair market value of KLA-Tencor common stock used for purposes of calculating the number of shares to be withheld was the closing price of KLA-Tencor common stock as reported on the NASDAQ Stock Market on such vesting date.

SEC source: 0001181431-10-010619 · rrd263817.xml · nonDerivative · entry 1

WALLACE RICHARD P · CIK 0001196898 · Director · President and CEO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 115,972

F1 · price: On February 17, 2006, Mr. Wallace received a grant of restricted stock units ("RSUs") covering 75,000 shares of KLA-Tencor common stock. On February 17, 2010, Mr. Wallace vested in fifty percent (50%) of such RSUs.

SEC source: 0001181431-10-006696 · rrd264679.xml · nonDerivative · entry 1

Kirloskar Virendra A · CIK 0001430600 · SVP & Chief Accounting Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 7,431

F1 · kind: These sales were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on December 11, 2009.

SEC source: 0001181431-09-052355 · rrd255387.xml · nonDerivative · entry 2

Kirloskar Virendra A · CIK 0001430600 · SVP & Chief Accounting Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 8,305

F2 · shares: Pursuant to the terms of the November 15, 2007 RSU grant, 1,101 shares of KLA-Tencor common stock were automatically withheld at vesting to cover required tax withholding. Because the vesting date of such RSUs occurred on a day on which the NASDAQ Stock Market was closed for trading, the fair market value of KLA-Tencor common stock used for purposes of calculating the number of shares to be withheld was the closing price of KLA-Tencor common stock on the last completed trading day immediately prior to such vesting date.

SEC source: 0001181431-09-052355 · rrd255387.xml · nonDerivative · entry 1

Kirloskar Virendra A · CIK 0001430600 · SVP & Chief Accounting Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 9,406

F1 · price: On November 15, 2007, Mr. Kirloskar received a grant of restricted stock units ("RSUs") covering 6,000 shares of KLA-Tencor common stock. On November 15, 2009, Mr. Kirloskar vested in fifty percent (50%) of such RSUs.

SEC source: 0001181431-09-050306 · rrd256421.xml · nonDerivative · entry 1

Martin Brian · CIK 0001395281 · Senior VP & General Counsel

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 979

F1 · price: This transaction was executed in multiple trades at prices ranging from $32.78 to $32.81011. The price reported above reflects the weighted average purchase price. The Reporting Person hereby undertakes to provide upon request to the SEC staff, the issuer or a security holder of the issuer full information regarding the number of shares and prices at which the transaction was effected.

SEC source: 0001181431-09-050243 · rrd256133.xml · nonDerivative · entry 1

Wang David C · CIK 0001363141 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 9,912

F1 · security: Each restricted stock unit represents a contingent right to receive one share of KLA-Tencor common stock.

F2 · shares: The restricted stock units will fully vest one year from date of grant and will be deliverable on such date.

SEC source: 0001181431-09-050244 · rrd256132.xml · nonDerivative · entry 1

PATEL KIRAN M · CIK 0001187427 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 8,481

F1 · security: Each restricted stock unit represents a contingent right to receive one share of KLA-Tencor common stock.

F2 · shares: The restricted stock units will fully vest one year from date of grant and will be deliverable on such date.

SEC source: 0001181431-09-050245 · rrd256131.xml · nonDerivative · entry 1

KENNEDY KEVIN · CIK 0001182379 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 8,920

F1 · security: Each restricted stock unit represents a contingent right to receive one share of KLA-Tencor common stock.

F2 · shares: The restricted stock units will fully vest one year from date of grant and will be deliverable on such date.

SEC source: 0001181431-09-050246 · rrd256097.xml · nonDerivative · entry 1

KAUFMAN STEPHEN P · CIK 0001186370 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 9,416

F1 · security: Each restricted stock unit represents a contingent right to receive one share of KLA-Tencor common stock.

F2 · shares: The restricted stock units will fully vest one year from date of grant and will be deliverable on such date.

SEC source: 0001181431-09-050247 · rrd256095.xml · nonDerivative · entry 1

DICKSON JOHN T · CIK 0001207927 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 8,920

F1 · security: Each restricted stock unit represents a contingent right to receive one share of KLA-Tencor common stock.

F2 · shares: The restricted stock units will fully vest one year from date of grant and will be deliverable on such date.

SEC source: 0001181431-09-050248 · rrd256093.xml · nonDerivative · entry 1

CALDERONI ROBERT · CIK 0001183228 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 9,416

F1 · security: Each restricted stock unit represents a contingent right to receive one share of KLA-Tencor common stock.

F2 · shares: The restricted stock units will fully vest one year from date of grant and will be deliverable on such date.

SEC source: 0001181431-09-050249 · rrd256091.xml · nonDerivative · entry 1

BOND ROBERT T · CIK 0001186083 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 9,416

F1 · security: Each restricted stock unit represents a contingent right to receive one share of KLA-Tencor common stock.

F2 · shares: The restricted stock units will fully vest one year from date of grant and will be deliverable on such date.

SEC source: 0001181431-09-050250 · rrd256085.xml · nonDerivative · entry 1

AKINS ROBERT P · CIK 0001194631 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 8,481

F1 · security: Each restricted stock unit represents a contingent right to receive one share of KLA-Tencor common stock.

F2 · shares: The restricted stock units will fully vest one year from date of grant and will be deliverable on such date.

SEC source: 0001181431-09-050251 · rrd256089.xml · nonDerivative · entry 1

BARNHOLT EDWARD W · CIK 0001142615 · Director · Chairman of the Board

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 14,124

F1 · security: Each restricted stock unit represents a contingent right to receive one share of KLA-Tencor common stock.

F2 · shares: The restricted stock units will fully vest one year from date of grant and will be deliverable on such date.

SEC source: 0001181431-09-048113 · rrd255121.xml · nonDerivative · entry 2

WALLACE RICHARD P · CIK 0001196898 · Director · President and CEO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 78,472

F2 · shares: Pursuant to the terms of the October 18, 2004 RSU grant, 9,404 shares of KLA-Tencor common stock were automatically withheld at vesting to cover required tax withholding. Because the vesting date of such RSUs occurred on a day on which the NASDAQ Stock Market was closed for trading, the fair market value of KLA-Tencor common stock used for purposes of calculating the number of shares to be withheld was the closing price of KLA-Tencor common stock on the last completed trading day immediately prior to such vesting date.

SEC source: 0001181431-09-048113 · rrd255121.xml · nonDerivative · entry 1

WALLACE RICHARD P · CIK 0001196898 · Director · President and CEO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 87,876

F1 · price: On October 18, 2004, Mr. Wallace received a grant of restricted stock units ("RSUs") covering 41,111 shares of KLA-Tencor common stock. On October 18, 2009, Mr. Wallace vested in fifty percent (50%) of such RSUs.

SEC source: 0001181431-09-048114 · rrd255126.xml · nonDerivative · entry 2

Kirloskar Virendra A · CIK 0001430600 · SVP & Chief Accounting Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 6,406

F2 · shares: Pursuant to the terms of the October 18, 2005 RSU grant, 1,091 shares of KLA-Tencor common stock were automatically withheld at vesting to cover required tax withholding. Because the vesting date of such RSUs occurred on a day on which the NASDAQ Stock Market was closed for trading, the fair market value of KLA-Tencor common stock used for purposes of calculating the number of shares to be withheld was the closing price of KLA-Tencor common stock on the last completed trading day immediately prior to such vesting date.

SEC source: 0001181431-09-048114 · rrd255126.xml · nonDerivative · entry 1

Kirloskar Virendra A · CIK 0001430600 · SVP & Chief Accounting Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 7,497

F1 · price: On October 18, 2005, Mr. Kirloskar received a grant of restricted stock units ("RSUs") covering 6,100 shares of KLA-Tencor common stock. On October 18, 2009, Mr. Kirloskar vested in fifty percent (50%) of such RSUs.

SEC source: 0001181431-09-045401 · rrd250711.xml · nonDerivative · entry 2

WALLACE RICHARD P · CIK 0001196898 · Director · President and CEO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 67,321

F2 · shares: Pursuant to the terms of the September 26, 2005 RSU grant, 5,719 shares of KLA-Tencor common stock were automatically withheld at vesting to cover required tax withholding. Because the vesting date of such RSUs occurred on a day on which the NASDAQ Stock Market was closed for trading, the fair market value of KLA-Tencor common stock used for purposes of calculating the number of shares to be withheld was the closing price of KLA-Tencor common stock on the last completed trading day immediately prior to such vesting date.

SEC source: 0001181431-09-045401 · rrd250711.xml · nonDerivative · entry 1

WALLACE RICHARD P · CIK 0001196898 · Director · President and CEO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 73,040

F1 · price: On September 26, 2005, Mr. Wallace received a grant of restricted stock units ("RSUs") covering 25,000 shares of KLA-Tencor common stock. On September 26, 2009, Mr. Wallace vested in fifty percent (50%) of such RSUs.

SEC source: 0001181431-09-039769 · rrd250477.xml · nonDerivative · entry 2

WALLACE RICHARD P · CIK 0001196898 · Director · President and CEO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 60,540

F2 · shares: Pursuant to the terms of the August 13, 2007 RSU grant, 5,138 shares of KLA-Tencor common stock were automatically withheld at vesting to cover required tax withholding. The fair market value of KLA-Tencor common stock used for purposes of calculating the number of shares to be withheld was the closing price of KLA-Tencor common stock as reported on the NASDAQ Stock Market on such vesting date.

SEC source: 0001181431-09-039769 · rrd250477.xml · nonDerivative · entry 1

WALLACE RICHARD P · CIK 0001196898 · Director · President and CEO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 65,678

F1 · price: On August 13, 2007, Mr. Wallace received a grant of performance-based restricted stock units ("RSUs") that, following completion of fiscal year 2008, were determined by the independent members of KLA-Tencor's Board of Directors (in August 2008) to cover, based on KLA-Tencor's financial performance and Mr. Wallace's achievement of pre-established strategic objectives during fiscal year 2008, 25,000 shares of KLA-Tencor common stock. On August 13, 2009, Mr. Wallace vested in fifty percent (50%) of such RSUs.

SEC source: 0001181431-09-038928 · rrd250063.xml · nonDerivative · entry 3

Martin Brian · CIK 0001395281 · Senior VP & General Counsel

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 7,883

F3 · shares: Pursuant to the terms of the August 8, 2007 RSU grant, 702 shares of KLA-Tencor common stock were automatically withheld at vesting to cover required tax withholding. Because the vesting date of such RSUs occurred on a day on which the NASDAQ Stock Market was closed for trading, the fair market value of KLA-Tencor common stock used for purposes of calculating the number of shares to be withheld was the closing price of KLA-Tencor common stock on the last completed trading day immediately prior to such vesting date.

SEC source: 0001181431-09-038928 · rrd250063.xml · nonDerivative · entry 2

Martin Brian · CIK 0001395281 · Senior VP & General Counsel

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 8,585

F2 · price: On August 8, 2007, Mr. Martin received a grant of performance-based restricted stock units ("RSUs") that, following completion of fiscal year 2008, were determined by the Compensation Committee of KLA-Tencor's Board of Directors (in August 2008) to cover, based on KLA-Tencor's financial performance during fiscal year 2008, 3,922 shares of KLA-Tencor common stock. On August 8, 2009, Mr. Martin vested in fifty percent (50%) of such RSUs.

SEC source: 0001181431-09-038929 · rrd250068.xml · nonDerivative · entry 2

WALLACE RICHARD P · CIK 0001196898 · Director · President and CEO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 53,178

F2 · shares: Pursuant to the terms of the August 8, 2007 RSU grant, 9,348 shares of KLA-Tencor common stock were automatically withheld at vesting to cover required tax withholding. Because the vesting date of such RSUs occurred on a day on which the NASDAQ Stock Market was closed for trading, the fair market value of KLA-Tencor common stock used for purposes of calculating the number of shares to be withheld was the closing price of KLA-Tencor common stock on the last completed trading day immediately prior to such vesting date.

SEC source: 0001181431-09-038929 · rrd250068.xml · nonDerivative · entry 1

WALLACE RICHARD P · CIK 0001196898 · Director · President and CEO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 62,526

F1 · price: On August 8, 2007, Mr. Wallace received a grant of performance-based restricted stock units ("RSUs") that, following completion of fiscal year 2008, were determined by the independent members of KLA-Tencor's Board of Directors (in August 2008) to cover, based on KLA-Tencor's financial performance during fiscal year 2008, 52,291 shares of KLA-Tencor common stock. On August 8, 2009, Mr. Wallace vested in fifty percent (50%) of such RSUs.

SEC source: 0001181431-09-038928 · rrd250063.xml · nonDerivative · entry 1

Martin Brian · CIK 0001395281 · Senior VP & General Counsel

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 6,624

F1 · price: This transaction was executed in multiple trades at prices ranging from $31.14 to $31.141. The price reported above reflects the weighted average purchase price. The Reporting Person hereby undertakes to provide upon request to the SEC staff, the issuer or a security holder of the issuer full information regarding the number of shares and prices at which the transaction was effected.