KLAC

SEC source: 0001628280-20-011473 · wf-form4_159648670215398.xml · nonDerivative · entry 5

Donzella Oreste · CIK 0001802832 · Executive Vice President

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 6,389

F7 · 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 July 31, 2020.

SEC source: 0001628280-20-011473 · wf-form4_159648670215398.xml · nonDerivative · entry 4

Donzella Oreste · CIK 0001802832 · Executive Vice President

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 6,853

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 1, 2019, the reporting person was granted RSUs for 5,360 shares of KLA common stock. On August 1, 2020, 25% of the RSUs vested.

SEC source: 0001628280-20-011473 · wf-form4_159648670215398.xml · nonDerivative · entry 3

Donzella Oreste · CIK 0001802832 · Executive Vice President

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 30,601

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

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

F6 · shares: On August 1, 2019, the reporting person was granted RSUs for 5,360 shares of KLA common stock. On August 1, 2020, 25% of the RSUs vested.

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: 0001628280-20-011475 · wf-form4_159648675502116.xml · nonDerivative · entry 5

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 2,035

F8 · 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 July 31, 2020.

SEC source: 0001628280-20-011475 · wf-form4_159648675502116.xml · nonDerivative · entry 4

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 3,626

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.

F7 · shares: On August 1, 2019, the reporting person was granted RSUs for 12,863 shares of KLA common stock. On August 1, 2020, 25% of the RSUs vested.

SEC source: 0001628280-20-011475 · wf-form4_159648675502116.xml · nonDerivative · entry 3

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 64,224

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

F7 · shares: On August 1, 2019, the reporting person was granted RSUs for 12,863 shares of KLA common stock. On August 1, 2020, 25% of the RSUs vested.

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: 0001628280-20-011476 · wf-form4_159648680981437.xml · nonDerivative · entry 4

Lorig Brian · CIK 0001697041 · Executive Vice President

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 1,477

F5 · 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 July 31, 2020.

SEC source: 0001628280-20-011476 · wf-form4_159648680981437.xml · nonDerivative · entry 3

Lorig Brian · CIK 0001697041 · Executive Vice President

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 1,960

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: On August 1, 2019, the reporting person was granted RSUs for 5,574 shares of KLA common stock. On August 1, 2020, 25% of the RSUs vested.

SEC source: 0001628280-20-011476 · wf-form4_159648680981437.xml · nonDerivative · entry 2

Lorig Brian · CIK 0001697041 · Executive Vice President

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 28,059

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.

F4 · shares: On August 1, 2019, the reporting person was granted RSUs for 5,574 shares of KLA common stock. On August 1, 2020, 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: 0001628280-20-011477 · wf-form4_159648685650434.xml · nonDerivative · entry 5

Khan Ahmad A. · CIK 0001642452 · President, Semi Proc. Control

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 2,850

F7 · 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 July 31, 2020.

SEC source: 0001628280-20-011477 · wf-form4_159648685650434.xml · nonDerivative · entry 4

Khan Ahmad A. · CIK 0001642452 · President, Semi Proc. Control

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 4,711

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 1, 2019, the reporting person was granted RSUs for 15,007 shares of KLA common stock. On August 1, 2020, 25% of the RSUs vested.

SEC source: 0001628280-20-011477 · wf-form4_159648685650434.xml · nonDerivative · entry 3

Khan Ahmad A. · CIK 0001642452 · President, Semi Proc. Control

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 69,212

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

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

F6 · shares: On August 1, 2019, the reporting person was granted RSUs for 15,007 shares of KLA common stock. On August 1, 2020, 25% of the RSUs vested.

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: 0001628280-20-011478 · wf-form4_159648691714405.xml · nonDerivative · entry 5

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 80,149

F7 · 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 July 31, 2020.

SEC source: 0001628280-20-011478 · wf-form4_159648691714405.xml · nonDerivative · entry 4

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 83,338

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 1, 2019, the reporting person was granted RSUs for 25,726 shares of KLA common stock. On August 1, 2020, 25% of the RSUs vested.

SEC source: 0001628280-20-011478 · wf-form4_159648691714405.xml · nonDerivative · entry 3

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 166,913

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

F3 · security: Each RSU represents a contingent right to receive one share of KLA common stock.

F6 · shares: On August 1, 2019, the reporting person was granted RSUs for 25,726 shares of KLA common stock. On August 1, 2020, 25% of the RSUs vested.

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: 0001628280-20-011473 · wf-form4_159648670215398.xml · nonDerivative · entry 2

Donzella Oreste · CIK 0001802832 · Executive Vice President

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 31,941

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

F4 · shares: On March 20, 2019, the reporting person was granted performance-based RSUs that would be eligible to vest, subject to continued service on each vesting date, in three equal installments as early as the third, fourth and fifth anniversaries of the grant date provided that the trailing 20-day average of the closing price of KLA common stock plus aggregate cash dividends distributed per share on any date since the grant date exceeded $174.5865, $203.6843 and $232.782, respectively. On July 31, 2020, it was determined that the 20-day trailing average plus cash dividends distributed per share since the grant date exceeded the second threshold of $203.6843. As a result, 6,906 shares became eligible to vest on March 20, 2023, subject to continued service on that date.

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: 0001628280-20-011475 · wf-form4_159648675502116.xml · nonDerivative · entry 2

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 67,440

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

F4 · shares: On March 20, 2019, the reporting person was granted performance-based RSUs that would be eligible to vest, subject to continued service on each vesting date, in three equal installments as early as the third, fourth and fifth anniversaries of the grant date provided that the trailing 20-day average of the closing price of KLA common stock plus aggregate cash dividends distributed per share on any date since the grant date exceeded $174.5865, $203.6843 and $232.782, respectively. On July 31, 2020, it was determined that the 20-day trailing average plus cash dividends distributed per share since the grant date exceeded the second threshold of $203.6843. As a result, 13,813 shares became eligible to vest on March 20, 2023, subject to continued service on that date.

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: 0001628280-20-011476 · wf-form4_159648680981437.xml · nonDerivative · entry 1

Lorig Brian · CIK 0001697041 · Executive Vice President

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 29,453

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

F2 · shares: On March 20, 2019, the reporting person was granted performance-based RSUs that would be eligible to vest, subject to continued service on each vesting date, in three equal installments as early as the third, fourth and fifth anniversaries of the grant date provided that the trailing 20-day average of the closing price of KLA common stock plus aggregate cash dividends distributed per share on any date since the grant date exceeded $174.5865, $203.6843 and $232.782, respectively. On July 31, 2020, it was determined that the 20-day trailing average plus cash dividends distributed per share since the grant date exceeded the second threshold of $203.6843. As a result, 6,630 shares became eligible to vest on March 20, 2023, subject to continued service on that 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: 0001628280-20-011477 · wf-form4_159648685650434.xml · nonDerivative · entry 2

Khan Ahmad A. · CIK 0001642452 · President, Semi Proc. Control

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 72,964

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

F4 · shares: On March 20, 2019, the reporting person was granted performance-based RSUs that would be eligible to vest, subject to continued service on each vesting date, in three equal installments as early as the third, fourth and fifth anniversaries of the grant date provided that the trailing 20-day average of the closing price of KLA common stock plus aggregate cash dividends distributed per share on any date since the grant date exceeded $174.5865, $203.6843 and $232.782, respectively. On July 31, 2020, it was determined that the 20-day trailing average plus cash dividends distributed per share since the grant date exceeded the second threshold of $203.6843. As a result, 15,195 shares became eligible to vest on March 20, 2023, subject to continued service on that date.

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: 0001628280-20-011478 · wf-form4_159648691714405.xml · nonDerivative · entry 2

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 173,345

F3 · security: Each RSU represents a contingent right to receive one share of KLA common stock.

F4 · shares: On April 11, 2019, the reporting person was granted performance-based RSUs that would be eligible to vest, subject to continued service on each vesting date, in three equal installments as early as the third, fourth and fifth anniversaries of the grant date provided that the trailing 20-day average of the closing price of KLA common stock plus aggregate cash dividends distributed per share on any date since the grant date exceeded $174.5865, $203.6843 and $232.782, respectively. On July 31, 2020, it was determined that the 20-day trailing average plus cash dividends distributed per share since the grant date exceeded the second threshold of $203.6843. As a result, 41,441 shares became eligible to vest on April 11, 2023, subject to continued service on that date.

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: 0001628280-20-010243 · wf-form4_159416307476674.xml · nonDerivative · entry 2

Lorig Brian · CIK 0001697041 · Executive Vice President

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 5, 2020.

SEC source: 0001628280-20-010243 · wf-form4_159416307476674.xml · nonDerivative · entry 1

Lorig Brian · CIK 0001697041 · Executive Vice President

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 702

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

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

SEC source: 0001628280-20-011472 · wf-form4_159648660816200.xml · nonDerivative · entry 1

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 433

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

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

SEC source: 0001628280-20-011473 · wf-form4_159648670215398.xml · nonDerivative · entry 1

Donzella Oreste · CIK 0001802832 · Executive Vice President

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 5,513

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

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

SEC source: 0001628280-20-011475 · wf-form4_159648675502116.xml · nonDerivative · entry 1

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 410

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

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

SEC source: 0001628280-20-011477 · wf-form4_159648685650434.xml · nonDerivative · entry 1

Khan Ahmad A. · CIK 0001642452 · President, Semi Proc. Control

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 959

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

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

SEC source: 0001628280-20-011478 · wf-form4_159648691714405.xml · nonDerivative · entry 1

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 76,906

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

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

SEC source: 0001628280-20-009098 · wf-form4_159140228517358.xml · nonDerivative · entry 1

Little Teri A. · CIK 0001656471 · EVP, CLO and Secretary

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 0

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

SEC source: 0001628280-20-008237 · wf-form4_159009349973023.xml · nonDerivative · entry 1

Khan Ahmad A. · CIK 0001642452 · President, Semi Proc. Control

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 823

F1 · shares: This sale was effected pursuant to the terms of a Rule 10b5-1 trading plan adopted by the Reporting Person on June 4, 2019.

SEC source: 0001628280-20-007579 · wf-form4_158931688724566.xml · nonDerivative · entry 3

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 76,770

F1 · shares: This sale was effected pursuant to the terms of a Rule 10b5-1 trading plan adopted by the Reporting Person on February 13, 2020.

F4 · price: Represents the weighted average sales price for the shares. The sales prices ranged from $169.37 to $169.91. The Reporting Person will provide upon request full information regarding the number of shares sold at each separate price.

SEC source: 0001628280-20-007579 · wf-form4_158931688724566.xml · nonDerivative · entry 2

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 87,048

F1 · shares: This sale was effected pursuant to the terms of a Rule 10b5-1 trading plan adopted by the Reporting Person on February 13, 2020.

F3 · price: Represents the weighted average sales price for the shares. The sales prices ranged from $168.37 to $169.36. The Reporting Person will provide upon request full information regarding the number of shares sold at each separate price.

SEC source: 0001628280-20-007579 · wf-form4_158931688724566.xml · nonDerivative · entry 1

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 106,739

F1 · shares: This sale was effected pursuant to the terms of a Rule 10b5-1 trading plan adopted by the Reporting Person on February 13, 2020.

F2 · price: Represents the weighted average sales price for the shares. The sales prices ranged from $167.36 to $168.35. The Reporting Person will provide upon request full information regarding the number of shares sold at each separate price.

SEC source: 0001628280-20-007581 · wf-form4_158931690968220.xml · nonDerivative · entry 9

KENNEDY KEVIN · CIK 0001182379 · Director

10b5-1 filing: Not disclosed

Ownership: Indirect · By Trust

Disclosed balance after: 7,116

F1 · shares: This sale was effected pursuant to the terms of a Rule 10b5-1 trading plan adopted by the Reporting Person on May 9, 2019.

F10 · price: Represents the weighted average sales price for the shares. The sales prices ranged from $157.97 to $158.05. The reporting person will provide upon request full information regarding the number of shares sold at each separate price.

F3 · ownership.nature: Shares held by the Kennedy Family Trust U/A/D 11/19/98, of which the Reporting Person is a trustee and beneficiary.

SEC source: 0001628280-20-007581 · wf-form4_158931690968220.xml · nonDerivative · entry 8

KENNEDY KEVIN · CIK 0001182379 · Director

10b5-1 filing: Not disclosed

Ownership: Indirect · By Trust

Disclosed balance after: 7,316

F1 · shares: This sale was effected pursuant to the terms of a Rule 10b5-1 trading plan adopted by the Reporting Person on May 9, 2019.

F9 · price: Represents the weighted average sales price for the shares. The sales prices ranged from $156.57 to $156.92. The reporting person will provide upon request full information regarding the number of shares sold at each separate price.

F3 · ownership.nature: Shares held by the Kennedy Family Trust U/A/D 11/19/98, of which the Reporting Person is a trustee and beneficiary.

SEC source: 0001628280-20-007581 · wf-form4_158931690968220.xml · nonDerivative · entry 7

KENNEDY KEVIN · CIK 0001182379 · Director

10b5-1 filing: Not disclosed

Ownership: Indirect · By Trust

Disclosed balance after: 7,816

F1 · shares: This sale was effected pursuant to the terms of a Rule 10b5-1 trading plan adopted by the Reporting Person on May 9, 2019.

F3 · ownership.nature: Shares held by the Kennedy Family Trust U/A/D 11/19/98, of which the Reporting Person is a trustee and beneficiary.

SEC source: 0001628280-20-007581 · wf-form4_158931690968220.xml · nonDerivative · entry 6

KENNEDY KEVIN · CIK 0001182379 · Director

10b5-1 filing: Not disclosed

Ownership: Indirect · By Trust

Disclosed balance after: 7,916

F1 · shares: This sale was effected pursuant to the terms of a Rule 10b5-1 trading plan adopted by the Reporting Person on May 9, 2019.

F8 · price: Represents the weighted average sales price for the shares. The sales prices ranged from $153.79 to $154.76. The reporting person will provide upon request full information regarding the number of shares sold at each separate price.

F3 · ownership.nature: Shares held by the Kennedy Family Trust U/A/D 11/19/98, of which the Reporting Person is a trustee and beneficiary.

SEC source: 0001628280-20-007581 · wf-form4_158931690968220.xml · nonDerivative · entry 5

KENNEDY KEVIN · CIK 0001182379 · Director

10b5-1 filing: Not disclosed

Ownership: Indirect · By Trust

Disclosed balance after: 8,316

F1 · shares: This sale was effected pursuant to the terms of a Rule 10b5-1 trading plan adopted by the Reporting Person on May 9, 2019.

F7 · price: Represents the weighted average sales price for the shares. The sales prices ranged from $152.72 to $153.66. The reporting person will provide upon request full information regarding the number of shares sold at each separate price.

F3 · ownership.nature: Shares held by the Kennedy Family Trust U/A/D 11/19/98, of which the Reporting Person is a trustee and beneficiary.

SEC source: 0001628280-20-007581 · wf-form4_158931690968220.xml · nonDerivative · entry 4

KENNEDY KEVIN · CIK 0001182379 · Director

10b5-1 filing: Not disclosed

Ownership: Indirect · By Trust

Disclosed balance after: 8,716

F1 · shares: This sale was effected pursuant to the terms of a Rule 10b5-1 trading plan adopted by the Reporting Person on May 9, 2019.

F6 · price: Represents the weighted average sales price for the shares. The sales prices ranged from $151.38 to $152.01. The reporting person will provide upon request full information regarding the number of shares sold at each separate price.

F3 · ownership.nature: Shares held by the Kennedy Family Trust U/A/D 11/19/98, of which the Reporting Person is a trustee and beneficiary.

SEC source: 0001628280-20-007581 · wf-form4_158931690968220.xml · nonDerivative · entry 3

KENNEDY KEVIN · CIK 0001182379 · Director

10b5-1 filing: Not disclosed

Ownership: Indirect · By Trust

Disclosed balance after: 9,316

F1 · shares: This sale was effected pursuant to the terms of a Rule 10b5-1 trading plan adopted by the Reporting Person on May 9, 2019.

F5 · price: Represents the weighted average sales price for the shares. The sales prices ranged from $150.32 to $151.03. The reporting person will provide upon request full information regarding the number of shares sold at each separate price.

F3 · ownership.nature: Shares held by the Kennedy Family Trust U/A/D 11/19/98, of which the Reporting Person is a trustee and beneficiary.

SEC source: 0001628280-20-007581 · wf-form4_158931690968220.xml · nonDerivative · entry 2

KENNEDY KEVIN · CIK 0001182379 · Director

10b5-1 filing: Not disclosed

Ownership: Indirect · By Trust

Disclosed balance after: 10,116

F1 · shares: This sale was effected pursuant to the terms of a Rule 10b5-1 trading plan adopted by the Reporting Person on May 9, 2019.

F4 · price: Represents the weighted average sales price for the shares. The sales prices ranged from $149.32 to $150.24. The reporting person will provide upon request full information regarding the number of shares sold at each separate price.

F3 · ownership.nature: Shares held by the Kennedy Family Trust U/A/D 11/19/98, of which the Reporting Person is a trustee and beneficiary.

SEC source: 0001628280-20-007581 · wf-form4_158931690968220.xml · nonDerivative · entry 1

KENNEDY KEVIN · CIK 0001182379 · Director

10b5-1 filing: Not disclosed

Ownership: Indirect · By Trust

Disclosed balance after: 11,616

F1 · shares: This sale was effected pursuant to the terms of a Rule 10b5-1 trading plan adopted by the Reporting Person on May 9, 2019.

F2 · price: Represents the weighted average sales price for the shares. The sales prices ranged from $148.24 to $149.20. The reporting person will provide upon request full information regarding the number of shares sold at each separate price.

F3 · ownership.nature: Shares held by the Kennedy Family Trust U/A/D 11/19/98, of which the Reporting Person is a trustee and beneficiary.

SEC source: 0001628280-20-003159 · wf-form4_158353025962116.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: This sale was effected pursuant to the terms of a Rule 10b5-1 trading plan adopted by the Reporting Person on June 11, 2019.

SEC source: 0001628280-20-002313 · wf-form4_158275303957268.xml · nonDerivative · entry 2

Little Teri A. · CIK 0001656471 · EVP, CLO and Secretary

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 1,850

F1 · shares: This sale was effected pursuant to the terms of a Rule 10b5-1 trading plan adopted by the Reporting Person on May 30, 2019.

SEC source: 0001628280-20-002118 · wf-form4_158258054725598.xml · nonDerivative · entry 1

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 10,212

SEC source: 0001628280-20-001961 · wf-form4_158232100790068.xml · nonDerivative · entry 1

Khan Ahmad A. · CIK 0001642452 · President, Semi Proc. Control

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 3,353

F1 · shares: This sale was effected pursuant to the terms of a Rule 10b5-1 trading plan adopted by the Reporting Person on June 4, 2019.

SEC source: 0001628280-20-001450 · wf-form4_158154760613027.xml · nonDerivative · entry 1

MYERS MARIE · CIK 0001656326 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 869

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

F2 · shares: Represents a pro-rated annual outside director grant, which will vest in full on the earliest to occur of: (1) the next annual meeting of stockholders; (2) one year from the date of grant; and (3) ten days prior to a change of control.

SEC source: 0001628280-20-001359 · wf-form4_158145680747891.xml · nonDerivative · entry 1

Donzella Oreste · CIK 0001802832 · Executive Vice President

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 5,377

SEC source: 0001628280-20-001114 · wf-form4_158094361613907.xml · nonDerivative · entry 4

KENNEDY KEVIN · CIK 0001182379 · Director

10b5-1 filing: Not disclosed

Ownership: Indirect · By Trust

Disclosed balance after: 12,116

F1 · shares: This sale was effected pursuant to the terms of a Rule 10b5-1 trading plan adopted by the Reporting Person on May 9, 2019.

F6 · price: Represents the weighted average sales price for the shares. The sales prices ranged from $170.44 to $170.54. The reporting person will provide upon request full information regarding the number of shares sold at each separate price.

F3 · ownership.nature: Shares held by the Kennedy Family Trust U/A/D 11/19/98, of which the Reporting Person is a trustee and beneficiary.

SEC source: 0001628280-20-001114 · wf-form4_158094361613907.xml · nonDerivative · entry 3

KENNEDY KEVIN · CIK 0001182379 · Director

10b5-1 filing: Not disclosed

Ownership: Indirect · By Trust

Disclosed balance after: 12,231

F1 · shares: This sale was effected pursuant to the terms of a Rule 10b5-1 trading plan adopted by the Reporting Person on May 9, 2019.

F5 · price: Represents the weighted average sales price for the shares. The sales prices ranged from $169.38 to $170.32. The reporting person will provide upon request full information regarding the number of shares sold at each separate price.

F3 · ownership.nature: Shares held by the Kennedy Family Trust U/A/D 11/19/98, of which the Reporting Person is a trustee and beneficiary.

SEC source: 0001628280-20-001114 · wf-form4_158094361613907.xml · nonDerivative · entry 2

KENNEDY KEVIN · CIK 0001182379 · Director

10b5-1 filing: Not disclosed

Ownership: Indirect · By Trust

Disclosed balance after: 14,116

F1 · shares: This sale was effected pursuant to the terms of a Rule 10b5-1 trading plan adopted by the Reporting Person on May 9, 2019.

F4 · price: Represents the weighted average sales price for the shares. The sales prices ranged from $168.37 to $169.31. The reporting person will provide upon request full information regarding the number of shares sold at each separate price.

F3 · ownership.nature: Shares held by the Kennedy Family Trust U/A/D 11/19/98, of which the Reporting Person is a trustee and beneficiary.