Khan Ahmad A.

SEC source: 0001628280-15-007003 · wf-form4_144175627593742.xml · nonDerivative · entry 6

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 11,159

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

F10 · shares: On September 7, 2012, the Reporting Person received a grant of restricted stock units covering 5,230 shares of KLA-Tencor common stock. On September 7, 2015, the Reporting Person vested in twenty-five percent (25%) of such RSUs.

SEC source: 0001628280-15-007003 · wf-form4_144175627593742.xml · nonDerivative · entry 3

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 9,002

F7 · shares: Pursuant to such terms of the September 7, 2012 RSU grant, 1,392 shares of KLA-Tencor common stock were automatically withheld on the vesting date to cover required tax withholding. Because the vesting date of such RSUs occurred on a day on which the NASDAQ Stock Market was closed for trading, the fair market value of KLA-Tencor common stock used for purposes of calculating the number of shares to be withheld was the closing price of KLA-Tencor common stock as reported on the last completed trading day immediately prior to such vesting date.

SEC source: 0001628280-15-007003 · wf-form4_144175627593742.xml · nonDerivative · entry 2

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 10,394

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 · price: As noted in Footnote 2, on September 7, 2012, the Reporting Person received a grant of performance-based RSUs that, following the completion of fiscal year 2015, was determined by the Compensation Committee of KLA-Tencor's Board of directors (on September 3, 2015) to cover 6,538 shares of KLA-Tencor common stock. On September 7, 2015, the Reporting Person vested in fifty percent (50%) of such performance-based RSUs.

SEC source: 0001628280-15-007003 · wf-form4_144175627593742.xml · nonDerivative · entry 5

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 9,852

F9 · shares: Pursuant to such terms of the September 4, 2013 RSU grant, 928 shares of KLA-Tencor common stock were automatically withheld on the vesting date to cover required tax withholding.

SEC source: 0001628280-15-007003 · wf-form4_144175627593742.xml · nonDerivative · entry 4

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 10,780

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

F8 · shares: On September 4, 2013, the Reporting Person received a grant of restricted stock units covering 7,112 shares of KLA-Tencor common stock. On September 4, 2015, the Reporting Person vested in twenty-five percent (25%) of such RSUs.

SEC source: 0001628280-15-007003 · wf-form4_144175627593742.xml · nonDerivative · entry 1

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 53,464

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

F2 · shares: On September 7, 2012, 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 5,230 shares of KLA-Tencor common stock, subject to both performance-vesting and service-vesting requirements. Following the completion of KLA-Tencor's audited financial statements for the 2015 fiscal year, on September 3, 2015 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 6,538.

F3 · shares: The Reporting Person vested fifty percent (50%) of the performance-based RSUs upon the date on which the Compensation Committee of KLA-Tencor's Board of Directors determined the level at which the underlying performance goals were attained (September 3, 2015) 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 7, 2012). The shares of common stock will be issued as the performance-based RSUs vest.

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

F5 · balance_after: Reflects an increase of 6,538 RSUs in connection with the determination of the level at which the September 7, 2012 performance-based RSUs were attained, less the fifty percent (50%) of such award that vested upon such assessment, as described in footnote 3.

SEC source: 0001628280-15-006485 · wf-form4_143933115151934.xml · nonDerivative · entry 2

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 7,125

F2 · shares: Pursuant to such terms of the August 7, 2014 RSU grant, 860 shares of KLA-Tencor common stock were automatically withheld at vesting to cover required tax withholding. The fair market value of KLA-Tencor common stock used for purposes of calculating the number of shares to be withheld was the closing price of KLA-Tencor common stock as reported on the NASDAQ Stock Market on such vesting date.

SEC source: 0001628280-15-006485 · wf-form4_143933115151934.xml · nonDerivative · entry 1

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 7,985

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 · price: On August 7, 2014, the Reporting Person received a grant of restricted stock units ("RSUs") covering 9,150 shares of KLA-Tencor common stock. On August 7, 2015, the Reporting Person vested in twenty-five percent (25%) of such RSUs.

SEC source: 0001628280-15-006418 · wf-form4_143924213402501.xml · nonDerivative · entry 1

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 52,483

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

F2 · shares: Represents a grant of RSUs subject only to service-vesting requirements. The Reporting Person will vest twenty-five percent (25%) of the RSUs on the one-year anniversary of the grant date (August 6, 2016) and an additional twenty-five percent (25%) on each annual anniversary of the grant date thereafter through August 6, 2019, in each case subject to the Reporting Person continuing as a service provider to KLA-Tencor through the applicable vesting date. The shares of common stock will be issued as the 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.