Lorig Brian

SEC source: 0001628280-19-010113 · wf-form4_156512169687578.xml · nonDerivative · entry 5

Lorig Brian · CIK 0001697041 · SVP

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 3,018

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 6,200 RSUs. On August 4, 2019, 25% of those RSUs vested.

SEC source: 0001628280-19-010113 · wf-form4_156512169687578.xml · nonDerivative · entry 4

Lorig Brian · CIK 0001697041 · SVP

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 20,938

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 common stock.

F5 · shares: On August 4, 2016, the reporting person was granted 6,200 RSUs. On August 4, 2019, 25% of those 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: 0001628280-19-010113 · wf-form4_156512169687578.xml · nonDerivative · entry 3

Lorig Brian · CIK 0001697041 · SVP

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 1,468

F4 · shares: Pursuant to the terms of the grant, shares of KLA common stock were automatically withheld at vesting to cover required tax withholding. The fair market value of KLA common stock used for purposes of calculating the number of shares to be withheld was the closing price of KLA common stock as reported on August 2, 2019.

SEC source: 0001628280-19-010113 · wf-form4_156512169687578.xml · nonDerivative · entry 2

Lorig Brian · CIK 0001697041 · SVP

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 1,946

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 2, 2018, the reporting person was granted 5,518 RSUs. On August 2, 2019, 25% of those RSUs vested.

SEC source: 0001628280-19-010113 · wf-form4_156512169687578.xml · nonDerivative · entry 1

Lorig Brian · CIK 0001697041 · SVP

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 22,488

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 common stock.

F2 · shares: On August 2, 2018, the reporting person was granted 5,518 RSUs. On August 2, 2019, 25% of those 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: 0001628280-19-009993 · wf-form4_156503844775635.xml · nonDerivative · entry 1

Lorig Brian · CIK 0001697041 · SVP

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 23,868

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

F2 · shares: On August 1, 2019 the reporting person received an RSU grant. The RSU vests 25% annually from the date of grant.

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: 0001628280-19-008598 · wf-form4_156218838633716.xml · nonDerivative · entry 2

Lorig Brian · CIK 0001697041 · SVP

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 566

F3 · shares: This sale was effected pursuant to the terms of a Rule 10b5-1 trading plan adopted by the Reporting Person on February 26, 2019.

SEC source: 0001628280-19-008598 · wf-form4_156218838633716.xml · nonDerivative · entry 1

Lorig Brian · CIK 0001697041 · SVP

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 840

F1 · shares: Purchased under the registrant's employee stock purchase plan.

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

SEC source: 0001628280-18-014352 · wf-form4_154222971391947.xml · nonDerivative · entry 4

Lorig Brian · CIK 0001697041 · SVP

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 566

F5 · 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: 0001628280-18-014352 · wf-form4_154222971391947.xml · nonDerivative · entry 3

Lorig Brian · CIK 0001697041 · SVP

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 1,325

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: 0001628280-18-014352 · wf-form4_154222971391947.xml · nonDerivative · entry 2

Lorig Brian · CIK 0001697041 · SVP

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 2,072

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 6,022 shares. On November 11, 2018, 25% of the RSUs vested.

SEC source: 0001628280-18-014352 · wf-form4_154222971391947.xml · nonDerivative · entry 1

Lorig Brian · CIK 0001697041 · SVP

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 18,294

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 6,022 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: 0001628280-18-011661 · wf-form4_153626635264902.xml · nonDerivative · entry 8

Lorig Brian · CIK 0001697041 · SVP

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 566

F6 · 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: 0001628280-18-011661 · wf-form4_153626635264902.xml · nonDerivative · entry 7

Lorig Brian · CIK 0001697041 · SVP

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 1,607

F6 · 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: 0001628280-18-011661 · wf-form4_153626635264902.xml · nonDerivative · entry 6

Lorig Brian · CIK 0001697041 · SVP

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 3,113

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 September 4, 2018.

SEC source: 0001628280-18-011661 · wf-form4_153626635264902.xml · nonDerivative · entry 5

Lorig Brian · CIK 0001697041 · SVP

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 3,636

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 September 4, 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 2,750 shares (based on 125% of the target shares of 2,200) of KLA-Tencor common stock, subject to both performance-vesting and service-vesting requirements. On September 4, 2018, 50% of the RSUs vested.

SEC source: 0001628280-18-011661 · wf-form4_153626635264902.xml · nonDerivative · entry 4

Lorig Brian · CIK 0001697041 · SVP

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 19,800

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 September 4, 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 2,750 shares (based on 125% of the target shares of 2,200) of KLA-Tencor common stock, subject to both performance-vesting and service-vesting requirements. On September 4, 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: 0001628280-18-011661 · wf-form4_153626635264902.xml · nonDerivative · entry 3

Lorig Brian · CIK 0001697041 · SVP

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 2,349

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 September 4, 2018.

SEC source: 0001628280-18-011661 · wf-form4_153626635264902.xml · nonDerivative · entry 2

Lorig Brian · CIK 0001697041 · SVP

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 2,622

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 September 4, 2014, the Reporting Person was granted an RSU for 2,200 shares of KLA-Tencor Common Stock. On September 4, 2018, 25% of those shares vested.

SEC source: 0001628280-18-011661 · wf-form4_153626635264902.xml · nonDerivative · entry 1

Lorig Brian · CIK 0001697041 · SVP

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 21,087

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 September 4, 2014, the Reporting Person was granted an RSU for 2,200 shares of KLA-Tencor Common Stock. On September 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: 0001628280-18-011630 · wf-form4_153618151393800.xml · nonDerivative · entry 6

Lorig Brian · CIK 0001697041 · SVP

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 2,072

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 31, 2017.

SEC source: 0001628280-18-011630 · wf-form4_153618151393800.xml · nonDerivative · entry 5

Lorig Brian · CIK 0001697041 · SVP

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 2,640

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 September 3, 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 3,308 shares (based on 125% of the target shares of 2,647) 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 3,282. On September 3, 2018, 50% of the RSUs vested.

SEC source: 0001628280-18-011630 · wf-form4_153618151393800.xml · nonDerivative · entry 4

Lorig Brian · CIK 0001697041 · SVP

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 21,637

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 September 3, 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 3,308 shares (based on 125% of the target shares of 2,647) 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 3,282. On September 3, 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: 0001628280-18-011630 · wf-form4_153618151393800.xml · nonDerivative · entry 3

Lorig Brian · CIK 0001697041 · SVP

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 999

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 31, 2017.

SEC source: 0001628280-18-011630 · wf-form4_153618151393800.xml · nonDerivative · entry 2

Lorig Brian · CIK 0001697041 · SVP

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 1,228

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 September 3, 2015, the Reporting Person received a grant of restricted stock units ("RSUs") covering 2,647 shares of KLA-Tencor common stock. On September 3, 2018, the Reporting Person vested in twenty-five percent (25%) of such RSUs.

SEC source: 0001628280-18-011630 · wf-form4_153618151393800.xml · nonDerivative · entry 1

Lorig Brian · CIK 0001697041 · SVP

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 23,278

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 September 3, 2015, the Reporting Person received a grant of restricted stock units ("RSUs") covering 2,647 shares of KLA-Tencor common stock. On September 3, 2018, the Reporting Person vested in twenty-five percent (25%) of such RSUs.

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: 0001628280-18-010802 · wf-form4_153375963549715.xml · nonDerivative · entry 1

Lorig Brian · CIK 0001697041 · SVP

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 566

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: 0001628280-18-010675 · wf-form4_153367230144671.xml · nonDerivative · entry 9

Lorig Brian · CIK 0001697041 · SVP

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 3,207

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 stockusedforpurposes 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: 0001628280-18-010675 · wf-form4_153367230144671.xml · nonDerivative · entry 8

Lorig Brian · CIK 0001697041 · SVP

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 3,743

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: On August 4, 2016, the Reporting Person was granted an RSU for 3,100 shares of KLA-Tencor Common Stock. On August 4, 2018, 50% of those shares vested.

SEC source: 0001628280-18-010675 · wf-form4_153367230144671.xml · nonDerivative · entry 7

Lorig Brian · CIK 0001697041 · SVP

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 23,940

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.

F6 · shares: On August 4, 2016, the Reporting Person was granted an RSU for 3,100 shares of KLA-Tencor Common Stock. On August 4, 2018, 50% 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: 0001628280-18-010675 · wf-form4_153367230144671.xml · nonDerivative · entry 6

Lorig Brian · CIK 0001697041 · SVP

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 2,193

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 stockusedforpurposes 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: 0001628280-18-010675 · wf-form4_153367230144671.xml · nonDerivative · entry 5

Lorig Brian · CIK 0001697041 · SVP

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 2,729

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 6,200 shares of KLA-Tencor Common Stock. On August 4, 2018, 25% of those shares vested.

SEC source: 0001628280-18-010675 · wf-form4_153367230144671.xml · nonDerivative · entry 4

Lorig Brian · CIK 0001697041 · SVP

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 25,490

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 6,200 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: 0001628280-18-010675 · wf-form4_153367230144671.xml · nonDerivative · entry 3

Lorig Brian · CIK 0001697041 · SVP

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 1,179

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 stockusedforpurposes 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: 0001628280-18-010675 · wf-form4_153367230144671.xml · nonDerivative · entry 2

Lorig Brian · CIK 0001697041 · SVP

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 1,504

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 3,752 shares of KLA-Tencor Common Stock. On August 3, 2018, 25% of those shares vested.

SEC source: 0001628280-18-010675 · wf-form4_153367230144671.xml · nonDerivative · entry 1

Lorig Brian · CIK 0001697041 · SVP

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 27,040

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 3,752 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: 0001628280-18-010543 · wf-form4_153358727418892.xml · nonDerivative · entry 2

Lorig Brian · CIK 0001697041 · SVP

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 27,978

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

F4 · shares: On September 3, 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 alsogranted RSUs covering up to a maximum of 3,308 shares (based on 125% of the target shares of 2,647) of KLA-Tencor common stock, subject to both performance-vesting and service-vesting requirements. OnAugust 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 thatthe number of shares subject to the RSUs is 3,282.

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: 0001628280-18-010543 · wf-form4_153358727418892.xml · nonDerivative · entry 1

Lorig Brian · CIK 0001697041 · SVP

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 24,696

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 vestingdate.

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: 0001628280-18-009131 · wf-form4_153084227566140.xml · nonDerivative · entry 2

Lorig Brian · CIK 0001697041 · SVP

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 566

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: 0001628280-18-009131 · wf-form4_153084227566140.xml · nonDerivative · entry 1

Lorig Brian · CIK 0001697041 · SVP

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 801

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

SEC source: 0001628280-17-011743 · wf-form4_151127433648058.xml · nonDerivative · entry 1

Lorig Brian · CIK 0001697041 · SVP

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 566

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

SEC source: 0001628280-17-011551 · wf-form4_151069566394038.xml · nonDerivative · entry 3

Lorig Brian · CIK 0001697041 · SVP

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 1,402

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: 0001628280-17-011551 · wf-form4_151069566394038.xml · nonDerivative · entry 2

Lorig Brian · CIK 0001697041 · SVP

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 2,072

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 25% of the RSUs that vested from the grant made on November 11, 2016.

SEC source: 0001628280-17-011551 · wf-form4_151069566394038.xml · nonDerivative · entry 1

Lorig Brian · CIK 0001697041 · SVP

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 19,178

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 25% of the RSUs that vested from the grant made 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: 0001628280-17-009236 · wf-form4_150517117580127.xml · nonDerivative · entry 1

Lorig Brian · CIK 0001697041 · SVP

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 566

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

SEC source: 0001628280-17-009109 · wf-form4_150474341731680.xml · nonDerivative · entry 12

Lorig Brian · CIK 0001697041 · SVP

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 3,459

F2 · 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 September 1, 2017.

SEC source: 0001628280-17-009109 · wf-form4_150474341731680.xml · nonDerivative · entry 11

Lorig Brian · CIK 0001697041 · SVP

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 3,943

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.

F9 · shares: The Reporting Person vested fifty percent (50%) of the performance-based RSUs on September 4, 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 (September 4, 2014). The shares of common stock will be issued as the performance-based RSUs vest.

SEC source: 0001628280-17-009109 · wf-form4_150474341731680.xml · nonDerivative · entry 10

Lorig Brian · CIK 0001697041 · SVP

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 20,684

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.

F9 · shares: The Reporting Person vested fifty percent (50%) of the performance-based RSUs on September 4, 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 (September 4, 2014). The shares of common stock will be issued as the performance-based RSUs vest.

SEC source: 0001628280-17-009109 · wf-form4_150474341731680.xml · nonDerivative · entry 9

Lorig Brian · CIK 0001697041 · SVP

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 21,971

F6 · security: Each restricted stock unit ("RSU") represents a contingent right to receive one share of KLA-Tencor common stock.

F7 · shares: On September 4, 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 2,750 shares (based on 125% of the target shares of 2,200) 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 2,574.

F8 · 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. Reflects the vesting of awards reflected above.

SEC source: 0001628280-17-009109 · wf-form4_150474341731680.xml · nonDerivative · entry 8

Lorig Brian · CIK 0001697041 · SVP

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 2,656

F2 · 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 September 1, 2017.