Higgins Bren D.

SEC source: 0001628280-19-009992 · wf-form4_156503842528390.xml · nonDerivative · entry 2

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 69,731

F3 · security: Each restricted stock unit ("RSU") represents a contingent right to receive one share of KLA-Tencor common stock.

F4 · shares: On August 1, 2019 the reporting person received a grant of RSUs. The RSUs vest 25% annually from the date of grant.

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

SEC source: 0001628280-19-009992 · wf-form4_156503842528390.xml · nonDerivative · entry 1

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 274

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

F2 · price: Represents 85% of the closing price of the registrant's stock on the start date.

SEC source: 0001628280-19-002415 · wf-form4_155173349460721.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 · shares: This sale was effected pursuant to the terms of a Rule 10b5-1 trading plan adopted by the Reporting Person on January 30, 2018.

F2 · price: Represents the weighted average sales price for the shares. The sales prices ranged from $116.42 to $116.835. The reporting person will provide upon request full information regarding the number of shares sold at each separate price.

SEC source: 0001628280-18-014431 · wf-form4_154237284461806.xml · nonDerivative · entry 1

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 1,669

F1 · shares: This sale was effected pursuant to the terms of a Rule 10b5-1 trading plan adopted by the Reporting Person on January 30, 2018.

F2 · price: Represents the weighted average sales price for the shares. The sales prices ranged from $93.45 to $94.22. The reporting person will provide upon request full information regarding the number of shares sold at each separate price.

SEC source: 0001628280-18-014360 · wf-form4_154222996042390.xml · nonDerivative · entry 3

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 5,464

F4 · shares: Pursuant to the terms of the grant, 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 November 9, 2018.

SEC source: 0001628280-18-014360 · wf-form4_154222996042390.xml · nonDerivative · entry 2

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 9,196

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.

F2 · shares: On November 11, 2016 the reporting person was granted RSUs for an aggregate of 30,109 shares. On November 11, 2018, 25% of the RSUs vested.

SEC source: 0001628280-18-014360 · wf-form4_154222996042390.xml · nonDerivative · entry 1

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 56,868

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 · 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 an aggregate of 30,109 shares. On November 11, 2018, 25% of the RSUs vested.

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: 0001628280-18-011756 · wf-form4_153669925303324.xml · nonDerivative · entry 1

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 1,669

F1 · shares: This sale was effected pursuant to the terms of a Rule 10b5-1 trading plan adopted by the Reporting Person on January 30, 2018.

SEC source: 0001628280-18-011103 · wf-form4_153427698399568.xml · nonDerivative · entry 1

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 3,087

F1 · shares: This sale was effected pursuant to the terms of a Rule 10b5-1 trading plan adopted by the Reporting Person on January 30, 2018.

SEC source: 0001628280-18-011011 · wf-form4_153393142384681.xml · nonDerivative · entry 7

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 6,938

F1 · shares: This sale was effected pursuant to the terms of a Rule 10b5-1 trading plan adopted by the Reporting Person on January 30, 2018.

SEC source: 0001628280-18-011011 · wf-form4_153393142384681.xml · nonDerivative · entry 6

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 9,837

F1 · shares: This sale was effected pursuant to the terms of a Rule 10b5-1 trading plan adopted by the Reporting Person on January 30, 2018.

F6 · price: Represents the weighted average sales price for the shares. The sales prices ranged from $117.28 to $117.46. The reporting person will provide upon request full information regarding the number of shares sold at each separate price.

SEC source: 0001628280-18-011011 · wf-form4_153393142384681.xml · nonDerivative · entry 5

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 11,080

F1 · shares: This sale was effected pursuant to the terms of a Rule 10b5-1 trading plan adopted by the Reporting Person on January 30, 2018.

F5 · price: Represents the weighted average sales price for the shares. The sales prices ranged from $115.78 to $116.00. The reporting person will provide upon request full information regarding the number of shares sold at each separate price.

SEC source: 0001628280-18-011011 · wf-form4_153393142384681.xml · nonDerivative · entry 4

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 11,780

F1 · shares: This sale was effected pursuant to the terms of a Rule 10b5-1 trading plan adopted by the Reporting Person on January 30, 2018.

F4 · price: Represents the weighted average sales price for the shares. The sales prices ranged from $117.15 to $118.13. The reporting person will provide upon request full information regarding the number of shares sold at each separate price.

SEC source: 0001628280-18-011011 · wf-form4_153393142384681.xml · nonDerivative · entry 3

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 12,124

F1 · shares: This sale was effected pursuant to the terms of a Rule 10b5-1 trading plan adopted by the Reporting Person on January 30, 2018.

F3 · price: Represents the weighted average sales price for the shares. The sales prices ranged from $115.71 to $116.00. The reporting person will provide upon request full information regarding the number of shares sold at each separate price.

SEC source: 0001628280-18-011011 · wf-form4_153393142384681.xml · nonDerivative · entry 2

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 12,824

F1 · shares: This sale was effected pursuant to the terms of a Rule 10b5-1 trading plan adopted by the Reporting Person on January 30, 2018.

SEC source: 0001628280-18-011011 · wf-form4_153393142384681.xml · nonDerivative · entry 1

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 13,089

F1 · shares: This sale was effected pursuant to the terms of a Rule 10b5-1 trading plan adopted by the Reporting Person on January 30, 2018.

F2 · price: Represents the weighted average sales price for the shares. The sales prices ranged from $116.52 to $117.21. The reporting person will provide upon request full information regarding the number of shares sold at each separate price.

SEC source: 0001628280-18-010940 · wf-form4_153384545931291.xml · nonDerivative · entry 6

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 13,689

F4 · shares: Pursuant to the terms of the grant, 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 August 7, 2018.

SEC source: 0001628280-18-010940 · wf-form4_153384545931291.xml · nonDerivative · entry 5

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 14,823

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.

F5 · shares: On August 7, 2014, the Reporting Person was granted an RSU for 9,150 shares of KLA-Tencor Common Stock. On August 7, 2018, the remaining 25% of those shares vested.

SEC source: 0001628280-18-010940 · wf-form4_153384545931291.xml · nonDerivative · entry 4

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 64,395

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

F5 · shares: On August 7, 2014, the Reporting Person was granted an RSU for 9,150 shares of KLA-Tencor Common Stock. On August 7, 2018, the remaining 25% of those shares vested.

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: 0001628280-18-010940 · wf-form4_153384545931291.xml · nonDerivative · entry 3

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 12,536

F4 · shares: Pursuant to the terms of the grant, 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 August 7, 2018.

SEC source: 0001628280-18-010940 · wf-form4_153384545931291.xml · nonDerivative · entry 2

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 15,191

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.

F2 · shares: On August 7, 2014, 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 11,437 shares (based on 125% of the target shares of 9,150) of KLA-Tencor common stock, subject to both performance-vesting and service-vesting requirements. On August 31, 2017 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 10,705. On August 7, 2018, the remaining 50% of the shares subject to the RSUs vested.

SEC source: 0001628280-18-010940 · wf-form4_153384545931291.xml · nonDerivative · entry 1

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 66,682

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

F2 · shares: On August 7, 2014, 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 11,437 shares (based on 125% of the target shares of 9,150) of KLA-Tencor common stock, subject to both performance-vesting and service-vesting requirements. On August 31, 2017 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 10,705. On August 7, 2018, the remaining 50% of the shares subject to the RSUs vested.

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: 0001628280-18-010805 · wf-form4_153375974400182.xml · nonDerivative · entry 6

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 9,838

F4 · shares: Pursuant to the terms of the grant, 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 August 6, 2018.

SEC source: 0001628280-18-010805 · wf-form4_153375974400182.xml · nonDerivative · entry 5

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 11,481

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.

F5 · shares: On August 6, 2015, the Reporting Person was granted an RSU for 13,250 shares of KLA-Tencor Common Stock. On August 6, 2018, 25% of those shares vested.

SEC source: 0001628280-18-010805 · wf-form4_153375974400182.xml · nonDerivative · entry 4

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 72,035

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

F5 · shares: On August 6, 2015, the Reporting Person was granted an RSU for 13,250 shares of KLA-Tencor Common Stock. On August 6, 2018, 25% of those shares vested.

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: 0001628280-18-010805 · wf-form4_153375974400182.xml · nonDerivative · entry 3

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 8,169

F4 · shares: Pursuant to the terms of the grant, 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 August 6, 2018.

SEC source: 0001628280-18-010805 · wf-form4_153375974400182.xml · nonDerivative · entry 2

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 12,242

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.

F2 · shares: On August 6, 2015, 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 16,562 shares (based on 125% of the target shares of 13,250) of KLA-Tencor common stock, subject to both performance-vesting and service-vesting requirements. On August 2, 2018 the Compensation Committee of the KLA-Tencor 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 16,430. On August 6, 2018, 50% of the RSUs vested.

SEC source: 0001628280-18-010805 · wf-form4_153375974400182.xml · nonDerivative · entry 1

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 75,347

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

F2 · shares: On August 6, 2015, 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 16,562 shares (based on 125% of the target shares of 13,250) of KLA-Tencor common stock, subject to both performance-vesting and service-vesting requirements. On August 2, 2018 the Compensation Committee of the KLA-Tencor 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 16,430. On August 6, 2018, 50% of the RSUs vested.

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: 0001628280-18-010672 · wf-form4_153367221762736.xml · nonDerivative · entry 6

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 4,027

F4 · shares: Pursuant to the terms of the grant, 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 August 3, 2018.

SEC source: 0001628280-18-010672 · wf-form4_153367221762736.xml · nonDerivative · entry 5

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 6,593

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.

F5 · shares: On August 4, 2016, the Reporting Person was granted an RSU for 20,700 shares of KLA-Tencor Common Stock. On August 4, 2018, 25% of those shares vested.

SEC source: 0001628280-18-010672 · wf-form4_153367221762736.xml · nonDerivative · entry 4

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 83,562

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

F5 · shares: On August 4, 2016, the Reporting Person was granted an RSU for 20,700 shares of KLA-Tencor Common Stock. On August 4, 2018, 25% of those shares vested.

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: 0001628280-18-010672 · wf-form4_153367221762736.xml · nonDerivative · entry 3

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 1,418

F4 · shares: Pursuant to the terms of the grant, 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 August 3, 2018.

SEC source: 0001628280-18-010672 · wf-form4_153367221762736.xml · nonDerivative · entry 2

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 2,814

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.

F2 · shares: On August 3, 2017, the Reporting Person was granted an RSU for 11,256 shares of KLA-Tencor Common Stock. On August 3, 2018, 25% of those shares vested.

SEC source: 0001628280-18-010672 · wf-form4_153367221762736.xml · nonDerivative · entry 1

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 88,737

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

F2 · shares: On August 3, 2017, the Reporting Person was granted an RSU for 11,256 shares of KLA-Tencor Common Stock. On August 3, 2018, 25% of those shares vested.

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: 0001628280-18-010538 · wf-form4_153358697731827.xml · nonDerivative · entry 2

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 91,551

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

F4 · shares: On August 6, 2015, 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 16,562 shares (based on 125% of the target shares of 13,250) of KLA-Tencor common stock, subject to both performance-vesting and service-vesting requirements. On August 2, 2018 the Compensation Committee of the KLA-Tencor 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 16,430.

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: 0001628280-18-010538 · wf-form4_153358697731827.xml · nonDerivative · entry 1

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 75,121

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

F2 · shares: On August 2, 2018, the Compensation Committee granted the reporting person an RSU that vests 25% each year from the date of grant, subject to the reporting person being a service provider 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: 0001628280-18-009129 · wf-form4_153084220382132.xml · nonDerivative · entry 2

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 0

F2 · shares: This sale was effected pursuant to the terms of a Rule 10b5-1 trading plan adopted by the Reporting Person on January 30, 2018.

SEC source: 0001628280-18-009129 · wf-form4_153084220382132.xml · nonDerivative · entry 1

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 235

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

SEC source: 0001628280-18-002716 · wf-form4_152003462169680.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 · shares: This sale was effected pursuant to the terms of a Rule 10b5-1 trading plan adopted by the Reporting Person on May 8, 2017.

SEC source: 0001628280-17-011504 · wf-form4_151062472690948.xml · nonDerivative · entry 4

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 854

F5 · shares: This sale was effected pursuant to the terms of a Rule 10b5-1 trading plan adopted by the Reporting Person on May 8, 2017.

SEC source: 0001628280-17-011504 · wf-form4_151062472690948.xml · nonDerivative · entry 3

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 4,453

F4 · shares: Pursuant to the terms of the grant, 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 November 10, 2017.

SEC source: 0001628280-17-011504 · wf-form4_151062472690948.xml · nonDerivative · entry 2

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 8,382

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.

F2 · shares: Represents the vesting of 25% of the RSUs granted on November 11, 2016.

SEC source: 0001628280-17-011504 · wf-form4_151062472690948.xml · nonDerivative · entry 1

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 63,626

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

F2 · shares: Represents the vesting of 25% of the RSUs granted on November 11, 2016.

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: 0001628280-17-009181 · wf-form4_150490282573264.xml · nonDerivative · entry 1

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 854

F1 · shares: This sale was effected pursuant to the terms of a Rule 10b5-1 trading plan adopted by the Reporting Person on May 8, 2017.

SEC source: 0001628280-17-009070 · wf-form4_150465698840742.xml · nonDerivative · entry 4

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 3,414

F5 · shares: Pursuant to the terms of the grant, 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 August 31, 2017.

SEC source: 0001628280-17-009070 · wf-form4_150465698840742.xml · nonDerivative · entry 3

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 6,207

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.

F4 · 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 (August 31, 2017) 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 7, 2014). The shares of common stock will be issued as the performance-based RSUs vest.

SEC source: 0001628280-17-009070 · wf-form4_150465698840742.xml · nonDerivative · entry 2

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 71,153

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

F4 · 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 (August 31, 2017) 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 7, 2014). The shares of common stock will be issued as the performance-based RSUs vest.

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: 0001628280-17-009070 · wf-form4_150465698840742.xml · nonDerivative · entry 1

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 76,506

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

F2 · shares: On August 7, 2014, 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 11,437 shares (based on 125% of the target shares of 9,150) of KLA-Tencor common stock, subject to both performance-vesting and service-vesting requirements. On August 31, 2017 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 10,705.

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: 0001628280-17-008538 · wf-form4_150240588326148.xml · nonDerivative · entry 1

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 854

F1 · shares: This sale was effected pursuant to the terms of a Rule 10b5-1 trading plan adopted by the Reporting Person on May 8, 2017.

SEC source: 0001628280-17-008385 · wf-form4_150223747239013.xml · nonDerivative · entry 7

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 1,947

F7 · shares: This sale was effected pursuant to the terms of a Rule 10b5-1 trading plan adopted by the Reporting Person on May 8, 2017.