KLAC

SEC source: 0001628280-17-001023 · wf-form4_148659603711604.xml · nonDerivative · entry 2

Bell Bobby R · CIK 0001498385 · Executive Vice President

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 16,628.917

F2 · shares: Pursuant to such terms of the February 6, 2013 RSU grant, 2,400 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 vesting date.

SEC source: 0001628280-17-001023 · wf-form4_148659603711604.xml · nonDerivative · entry 1

Bell Bobby R · CIK 0001498385 · Executive Vice President

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 19,028.917

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: On February 6, 2013, the Reporting Person received a grant of RSUs covering 25,000 shares of KLA-Tencor common stock. On February 6, 2017, the Reporting Person vested in twenty-five percent (25%) of such RSUs.

SEC source: 0001628280-17-001024 · wf-form4_148659605394115.xml · nonDerivative · entry 2

Khan Ahmad A. · CIK 0001642452 · EVP

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 3,848

F2 · shares: Pursuant to such terms of the February 6, 2013 RSU grant, 2,402 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 vesting date.

SEC source: 0001628280-17-001024 · wf-form4_148659605394115.xml · nonDerivative · entry 1

Khan Ahmad A. · CIK 0001642452 · EVP

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 6,250

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: On February 6, 2013, the Reporting Person received a grant of RSUs covering 25,000 shares of KLA-Tencor common stock. On February 6, 2017, the Reporting Person vested in twenty-five percent (25%) of such RSUs.

SEC source: 0001628280-17-000878 · wf-form4_148615967278906.xml · nonDerivative · entry 2

Trafas Brian M. · CIK 0001642421 · SVP, Global Customer Org.

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 0

F3 · shares: Sold under a Rule 10b5-1 sales plan adopted as of November 29, 2016. Sale included 215 shares purchased under the Company's Employee Stock Purchase Plan on December 30, 2016.

SEC source: 0001628280-17-000872 · wf-form4_148615941458212.xml · nonDerivative · entry 1

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 297

F1 · shares: Sold under a Rule 10b5-1 sales plan adopted as of November 25, 2016.

F2 · balance_after: Includes 102 shares acquired by the Reporting Person under the KLA-Tencor Employee Stock Purchase Plan on December 30, 2016.

SEC source: 0001628280-17-000874 · wf-form4_148615950297762.xml · nonDerivative · entry 2

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 37,402

F1 · shares: Sold under a Rule 10b5-1 sales plan adopted as of December 5, 2016.

F3 · price: Represents the weighted average sales price for the shares. The sales prices ranged from $85.22 to $85.82. The reporting person will provide upon request full information regarding the number of shares sold at each separate price.

SEC source: 0001628280-17-000874 · wf-form4_148615950297762.xml · nonDerivative · entry 1

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 56,382

F1 · shares: Sold under a Rule 10b5-1 sales plan adopted as of December 5, 2016.

F2 · price: Represents the weighted average sales price for the shares. The sales prices ranged from $85.43 to $85.69. The reporting person will provide upon request full information regarding the number of shares sold at each separate price.

SEC source: 0001628280-17-000876 · wf-form4_148615957516512.xml · nonDerivative · entry 1

Higgins Bren D. · CIK 0001582049 · EVP & Chief Financial Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 0

F1 · price: Represents the weighted average sales price for the shares. The sales prices ranged from $85.45 to $85.47. The reporting person will provide upon request full information regarding the number of shares sold at each separate price.

SEC source: 0001628280-17-000878 · wf-form4_148615967278906.xml · nonDerivative · entry 1

Trafas Brian M. · CIK 0001642421 · SVP, Global Customer Org.

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 47,783

F1 · security: Each restricted stock unit ("RSU") represents a contingent right to receive one share of KLA-Tencor common stock. 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 a Form 4 within two business days of the date such assessment is made.

F2 · shares: On February 1, 2017, the Reporting Person was granted RSUs for 7,100 shares of KLA-Tencor common stock which vest 25% annually beginning February 1, 2018, subject to continued service on each vesting date.

SEC source: 0001628280-17-008124 · wf-form4_150187904456564.xml · nonDerivative · entry 1

Little Teri A. · CIK 0001656471 · SVP, GC and Secretary

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 9,135

F1 · shares: Represents shares acquired under the KLA-Tencor Corporation Amended and Restated 1997 Employee Stock Purchase Plan.

SEC source: 0001628280-16-021928 · wf-form4_148125070493889.xml · nonDerivative · entry 1

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 75,945

F1 · price: Represents the weighted average sales price for the shares. The sales prices ranged from $79.00 to $79.40. The reporting person will provide upon request full information regarding the number of shares sold at each separate price.

SEC source: 0001628280-16-021644 · wf-form4_147985436973166.xml · nonDerivative · entry 1

PATEL KIRAN M · CIK 0001187427 · Director

10b5-1 filing: Not disclosed

Ownership: Indirect · By Trust

Disclosed balance after: 12,711

F1 · price: Represents the weighted average sales price for the shares. The sales prices ranged from $82.43 to $82.45. The reporting person will provide upon request full information regarding the number of shares sold at each separate price.

F2 · ownership.nature: By The Kiran and Jocimara Patel Trust dated October 23, 2008, of which the Reporting Person is a trustee and beneficiary.

SEC source: 0001628280-16-021230 · wf-form4_147913074011371.xml · nonDerivative · entry 1

Higgins Bren D. · CIK 0001582049 · EVP & Chief Financial Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 76,576

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

F2 · shares: On November 11, 2016, the Reporting Person was granted RSUs for 30,109 shares of KLA-Tencor common stock which vest 25% annually beginning November 11, 2017, subject to continued service on each vesting date.

F3 · 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 a Form 4 within two business days of the date such assessment is made.

SEC source: 0001628280-16-021231 · wf-form4_147913075744737.xml · nonDerivative · entry 1

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 216,804

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

F2 · shares: On November 11, 2016, the Reporting Person was granted RSUs for 33,454 shares of KLA-Tencor common stock which vest 25% annually beginning November 11, 2017, subject to continued service on each vesting date.

F3 · balance_after: Does not include performance-based RSUs 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 a Form 4 within two business days of the date such assessment is made.

SEC source: 0001628280-16-021292 · wf-form4_147915805034884.xml · nonDerivative · entry 1

Trafas Brian M. · CIK 0001642421 · SVP, Global Customer Org.

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 40,683

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

F2 · shares: On November 11, 2016, the Reporting Person was granted RSUs for 5,353 shares of KLA-Tencor common stock which vest 25% annually beginning November 11, 2017, subject to continued service on each vesting date.

F3 · balance_after: Does not include performance-based RSUs 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 a Form 4 within two business days of the date such assessment is made.

SEC source: 0001628280-16-021298 · wf-form4_147915862274153.xml · nonDerivative · entry 1

Little Teri A. · CIK 0001656471 · SVP, GC and Secretary

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 27,520

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

F2 · shares: On November 11, 2016, the Reporting Person was granted RSUs for 10,037 shares of KLA-Tencor common stock which vest 25% annually beginning November 11, 2017, subject to continued service on each vesting date.

SEC source: 0001628280-16-021310 · wf-form4_147915955661763.xml · nonDerivative · entry 1

Kirk Michael · CIK 0001582625 · Executive Vice President

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 92,856

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

F2 · shares: On November 11, 2016, the Reporting Person was granted RSUs for 26,764 shares of KLA-Tencor common stock which vest 25% annually beginning November 11, 2017, subject to continued service on each vesting date.

F3 · balance_after: Does not include performance-based RSUs 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 a Form 4 within two business days of the date such assessment is made.

SEC source: 0001628280-16-021390 · wf-form4_147917521269965.xml · nonDerivative · entry 1

Bell Bobby R · CIK 0001498385 · Executive Vice President

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 92,856

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

F2 · shares: On November 11, 2016, the Reporting Person was granted RSUs for 26,764 shares of KLA-Tencor common stock which vest 25% annually beginning November 11, 2017, subject to continued service on each vesting date.

F3 · balance_after: Does not include performance-based RSUs 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 a Form 4 within two business days of the date such assessment is made.

SEC source: 0001628280-16-021391 · wf-form4_147917523717467.xml · nonDerivative · entry 1

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 24,586

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

F2 · shares: On November 11, 2016, the Reporting Person was granted RSUs for 5,019 shares of KLA-Tencor common stock which vest 25% annually beginning November 11, 2017, subject to continued service on each vesting date.

F3 · balance_after: Does not include performance-based RSUs 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 a Form 4 within two business days of the date such assessment is made.

SEC source: 0001628280-16-021502 · wf-form4_147925423954216.xml · nonDerivative · entry 2

Khan Ahmad A. · CIK 0001642452 · EVP, Patterning Division

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 0

F4 · price: Represents the weighted average sales price for the shares. The sales prices ranged from $75.31 to $75.42. The reporting person will provide upon request full information regarding the number of shares sold at each separate price.

SEC source: 0001628280-16-021502 · wf-form4_147925423954216.xml · nonDerivative · entry 1

Khan Ahmad A. · CIK 0001642452 · EVP, Patterning Division

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 67,757

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

F2 · shares: On November 11, 2016, the Reporting Person was granted RSUs for 20,073 shares of KLA-Tencor common stock which vest 25% annually beginning November 11, 2017, subject to continued service on each vesting date.

F3 · balance_after: Does not include performance-based RSUs 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 a Form 4 within two business days of the date such assessment is made.

SEC source: 0001628280-16-020965 · wf-form4_147856506903783.xml · nonDerivative · entry 2

Little Teri A. · CIK 0001656471 · SVP, GC and Secretary

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 9,054

F2 · shares: Pursuant to the terms of the November 4, 2015 RSU grant, 940 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 November 4, 2016.

SEC source: 0001628280-16-020965 · wf-form4_147856506903783.xml · nonDerivative · entry 1

Little Teri A. · CIK 0001656471 · SVP, GC and Secretary

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 9,994

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: On November 4, 2015, the Reporting Person received a grant of restricted stock units ("RSUs") covering 10,000 shares of KLA-Tencor common stock. On November 4, 2016, the Reporting Person vested in 25% of such RSUs.

SEC source: 0001628280-16-020785 · wf-form4_147820750835810.xml · nonDerivative · entry 1

MOORE GARY B · CIK 0001493191 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 4,535

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

F2 · shares: Represents a grant of RSUs that, pursuant to KLA-Tencor's outside director compensation program, was automatically granted to the Reporting Person on the date of KLA-Tencor's annual meeting of stockholders with respect to the Reporting Person's service on the Board of Directors for the upcoming year. The RSUs will fully vest one year from date of grant and will be deliverable on such date.

SEC source: 0001628280-16-020787 · wf-form4_147820752756021.xml · nonDerivative · entry 1

CALDERONI ROBERT · CIK 0001183228 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 4,535

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

F2 · shares: Represents a grant of RSUs that, pursuant to KLA-Tencor's outside director compensation program, was automatically granted to the Reporting Person on the date of KLA-Tencor's annual meeting of stockholders with respect to the Reporting Person's service on the Board of Directors for the upcoming year. The RSUs will fully vest one year from date of grant and will be deliverable on such date.

SEC source: 0001628280-16-020788 · wf-form4_147820755686940.xml · nonDerivative · entry 1

Higashi Emiko · CIK 0001318086 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 4,535

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

F2 · shares: Represents a grant of RSUs that, pursuant to KLA-Tencor's outside director compensation program, was automatically granted to the Reporting Person on the date of KLA-Tencor's annual meeting of stockholders with respect to the Reporting Person's service on the Board of Directors for the upcoming year. The RSUs will fully vest one year from date of grant and will be deliverable on such date.

SEC source: 0001628280-16-020789 · wf-form4_147820758111811.xml · nonDerivative · entry 1

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 5,669

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

F2 · shares: Represents a grant of RSUs that, pursuant to KLA-Tencor's outside director compensation program, was automatically granted to the Reporting Person on the date of KLA-Tencor's annual meeting of stockholders with respect to the Reporting Person's service on the Board of Directors for the upcoming year. The RSUs will fully vest one year from date of grant and will be deliverable on such date.

SEC source: 0001628280-16-020791 · wf-form4_147820760438128.xml · nonDerivative · entry 1

Wang David C · CIK 0001363141 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 4,535

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

F2 · shares: Represents a grant of RSUs that, pursuant to KLA-Tencor's outside director compensation program, was automatically granted to the Reporting Person on the date of KLA-Tencor's annual meeting of stockholders with respect to the Reporting Person's service on the Board of Directors for the upcoming year. The RSUs will fully vest one year from date of grant and will be deliverable on such date.

SEC source: 0001628280-16-020792 · wf-form4_147820762058064.xml · nonDerivative · entry 1

PATEL KIRAN M · CIK 0001187427 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 4,535

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

F2 · shares: Represents a grant of RSUs that, pursuant to KLA-Tencor's outside director compensation program, was automatically granted to the Reporting Person on the date of KLA-Tencor's annual meeting of stockholders with respect to the Reporting Person's service on the Board of Directors for the upcoming year. The RSUs will fully vest one year from date of grant and will be deliverable on such date.

SEC source: 0001628280-16-020829 · wf-form4_147827713121817.xml · nonDerivative · entry 1

RANGO ROBERT A. · CIK 0001464250 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 4,535

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

F2 · shares: Represents a grant of RSUs that, pursuant to KLA-Tencor's outside director compensation program, was automatically granted to the Reporting Person on the date of KLA-Tencor's annual meeting of stockholders with respect to the Reporting Person's service on the Board of Directors for the upcoming year. The RSUs will fully vest one year from date of grant and will be deliverable on such date.

SEC source: 0001628280-16-020877 · wf-form4_147829754604923.xml · nonDerivative · entry 1

DICKSON JOHN T · CIK 0001207927 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 4,535

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

F2 · shares: Represents a grant of RSUs that, pursuant to KLA-Tencor's outside director compensation program, was automatically granted to the Reporting Person on the date of KLA-Tencor's annual meeting of stockholders with respect to the Reporting Person's service on the Board of Directors for the upcoming year. The RSUs will fully vest one year from date of grant and will be deliverable on such date.

SEC source: 0001628280-16-020884 · wf-form4_147829969738725.xml · nonDerivative · entry 1

KENNEDY KEVIN · CIK 0001182379 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 4,535

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

F2 · shares: Represents a grant of RSUs that, pursuant to KLA-Tencor's outside director compensation program, was automatically granted to the Reporting Person on the date of KLA-Tencor's annual meeting of stockholders with respect to the Reporting Person's service on the Board of Directors for the upcoming year. The RSUs will fully vest one year from date of grant and will be deliverable on such date.

SEC source: 0001628280-16-020375 · wf-form4_147759899418776.xml · nonDerivative · entry 1

Khan Ahmad A. · CIK 0001642452 · EVP, Patterning Division

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 17,173

F1 · price: Represents the weighted average sales price for the shares. The sales prices ranged from $74.80 to $74.89. The reporting person will provide upon request full information regarding the number of shares sold at each separate price.

SEC source: 0001628280-16-020376 · wf-form4_147759908057456.xml · nonDerivative · entry 1

Trafas Brian M. · CIK 0001642421 · SVP, Global Customer Org.

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 137

SEC source: 0001628280-16-020377 · wf-form4_147759909718309.xml · nonDerivative · entry 1

Higgins Bren D. · CIK 0001582049 · EVP & Chief Financial Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 4,610

SEC source: 0001628280-16-020379 · wf-form4_147759911567123.xml · nonDerivative · entry 1

Bell Bobby R · CIK 0001498385 · Executive Vice President

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 12,778.917

SEC source: 0001628280-16-020380 · wf-form4_147759913994768.xml · nonDerivative · entry 1

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 297

F1 · price: Represents the weighted average sales price for the shares. The sales prices ranged from $74.50 to $74.54. The reporting person will provide upon request full information regarding the number of shares sold at each separate price.

SEC source: 0001628280-16-020383 · wf-form4_147759915505436.xml · nonDerivative · entry 2

Kirk Michael · CIK 0001582625 · Executive Vice President

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 445

SEC source: 0001628280-16-020383 · wf-form4_147759915505436.xml · nonDerivative · entry 1

Kirk Michael · CIK 0001582625 · Executive Vice President

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 1,279

F1 · price: Represents the weighted average sales price for the shares. The sales prices ranged from $74.47 to $74.64. The reporting person will provide upon request full information regarding the number of shares sold at each separate price.

SEC source: 0001628280-16-019469 · wf-form4_147343965317804.xml · nonDerivative · entry 7

Trafas Brian M. · CIK 0001642421 · SVP, Global Customer Org.

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 8,232

F11 · shares: Pursuant to the terms of the August 6, 2013 RSU grant, 1,570 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 September 7, 2016.

SEC source: 0001628280-16-019469 · wf-form4_147343965317804.xml · nonDerivative · entry 6

Trafas Brian M. · CIK 0001642421 · SVP, Global Customer Org.

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 9,802

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.

F10 · shares: On September 7, 2012, the Reporting Person received a grant of restricted stock units covering 6,538 shares of KLA-Tencor common stock. On September 7, 2016, the Reporting Person vested in 50% of such RSUs.

SEC source: 0001628280-16-019469 · wf-form4_147343965317804.xml · nonDerivative · entry 5

Trafas Brian M. · CIK 0001642421 · SVP, Global Customer Org.

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 6,533

F9 · shares: Pursuant to the terms of the August 6, 2013 RSU grant, 682 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 September 7, 2016.

SEC source: 0001628280-16-019469 · wf-form4_147343965317804.xml · nonDerivative · entry 4

Trafas Brian M. · CIK 0001642421 · SVP, Global Customer Org.

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 7,215

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.

F8 · shares: On September 7, 2012, the Reporting Person received a grant of restricted stock units covering 5,230 shares of KLA-Tencor common stock. On September 7, 2016, the Reporting Person vested in 25% of such RSUs.

SEC source: 0001628280-16-019469 · wf-form4_147343965317804.xml · nonDerivative · entry 3

Trafas Brian M. · CIK 0001642421 · SVP, Global Customer Org.

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 5,908

F7 · shares: Pursuant to the terms of the August 6, 2013 RSU grant, 2332 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 September 7, 2016.

SEC source: 0001628280-16-019469 · wf-form4_147343965317804.xml · nonDerivative · entry 2

Trafas Brian M. · CIK 0001642421 · SVP, Global Customer Org.

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 8,240

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.

F6 · shares: As noted in Footnote 2, on August 6, 2013, the Reporting Person received a grant of performance-based RSUs that, following the completion of fiscal year 2016, was determined by the Compensation Committee of KLA-Tencor's Board of directors (on September 7, 2016) to cover 8,937 shares of KLA-Tencor common stock. On September 7, 2016, the Reporting Person vested in fifty percent (50%) of such performance-based RSUs.

SEC source: 0001628280-16-019469 · wf-form4_147343965317804.xml · nonDerivative · entry 1

Trafas Brian M. · CIK 0001642421 · SVP, Global Customer Org.

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 35,330

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, 2013, in addition to the RSUs granted on that date that were subject only to service-vesting requirements (which RSUs were previously reported on Form 4), the Reporting Person was also granted RSUs covering up to a maximum of 8,937 shares (based on 125% of the target shares of 7,150) 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 2016 fiscal year, on September 7, 2016 the Compensation Committee of KLA-Tencor's Board of Directors determined 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 8,937.

F3 · shares: The Reporting Person vested fifty percent (50%) of the performance-based RSUs upon the date on which the Compensation Committee of KLA-Tencor's Board of Directors determined the level at which the underlying performance goals were attained (September 7, 2016) and will vest in the remaining fifty percent (50%) upon his completion of four years of service following the grant date of the award (August 6, 2013). The shares of common stock will be issued as the performance-based 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 a Form 4 within two business days of the date such assessment is made.

F5 · balance_after: Reflects an increase of 8,937 RSUs in connection with the determination of the level at which the August 6, 2013 performance-based RSUs were attained, less the fifty percent (50%) of such award that vested upon such assessment, as described in footnote 3, and less the shares that vested that are noted in footnotes 8 and 10 below.

SEC source: 0001628280-16-019470 · wf-form4_147343974562607.xml · nonDerivative · entry 3

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 110,583

F7 · shares: Pursuant to the terms of the August 6, 2013 RSU grant, 14,513 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 September 7, 2016.

SEC source: 0001628280-16-019470 · wf-form4_147343974562607.xml · nonDerivative · entry 2

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 125,096

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.

F6 · shares: As noted in Footnote 2, on August 6, 2013, the Reporting Person received a grant of performance-based RSUs that, following the completion of fiscal year 2016, was determined by the Compensation Committee of KLA-Tencor's Board of directors (on September 7, 2016) to cover 55,625 shares of KLA-Tencor common stock. On September 7, 2016, the Reporting Person vested in fifty percent (50%) of such performance-based RSUs.

SEC source: 0001628280-16-019470 · wf-form4_147343974562607.xml · nonDerivative · entry 1

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 183,350

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

F2 · shares: On August 6, 2013, in addition to the RSUs granted on that date that were subject only to service-vesting requirements (which RSUs were previously reported on Form 4), the Reporting Person was also granted RSUs covering up to a maximum of 55,625 shares (based on 125% of the target shares of 44,500) 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 2016 fiscal year, on September 7, 2016 the Compensation Committee of KLA-Tencor's Board of Directors determined 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 55,625.

F3 · shares: The Reporting Person vested fifty percent (50%) of the performance-based RSUs upon the date on which the Compensation Committee of KLA-Tencor's Board of Directors determined the level at which the underlying performance goals were attained (September 7, 2016) and will vest in the remaining fifty percent (50%) upon his completion of four years of service following the grant date of the award (August 6, 2013). The shares of common stock will be issued as the performance-based 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 a Form 4 within two business days of the date such assessment is made.

F5 · balance_after: Reflects an increase of 55,625 RSUs in connection with the determination of the level at which the August 6, 2013 performance-based RSUs were attained, less the fifty percent (50%) of such award that vested upon such assessment, as described in footnote 3