KLAC

SEC source: 0001628280-15-007001 · wf-form4_144175621833955.xml · nonDerivative · entry 3

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 1,792

F7 · shares: Pursuant to such terms of the September 7, 2012 RSU grant, 738 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: 0001628280-15-007001 · wf-form4_144175621833955.xml · nonDerivative · entry 2

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 2,530

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 3,925 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 7

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 10,477

F11 · shares: Pursuant to such terms of the September 7, 2012 RSU grant, 682 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 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: 0001628280-15-007011 · wf-form4_144175656577749.xml · nonDerivative · entry 5

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 2,665

F9 · shares: Pursuant to such terms of the September 7, 2012 RSU grant, 682 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: 0001628280-15-007011 · wf-form4_144175656577749.xml · nonDerivative · entry 4

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 3,347

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.

F8 · shares: On September 7, 2012, the Reporting Person received a grant of restricted stock units covering 5,230 shares of KLA-Tencor common stock. On September 7, 2015, the Reporting Person vested in twenty-five percent (25%) of such RSUs.

SEC source: 0001628280-15-007011 · wf-form4_144175656577749.xml · nonDerivative · entry 3

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 2,040

F7 · shares: Pursuant to such terms of the September 7, 2012 RSU grant, 1,229 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: 0001628280-15-007011 · wf-form4_144175656577749.xml · nonDerivative · entry 2

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 3,269

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: 0001628280-15-006999 · wf-form4_144175616244395.xml · nonDerivative · entry 3

Bell Bobby R · CIK 0001498385 · Executive Vice President

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 20,163.917

F7 · shares: Pursuant to such terms of the August 2, 2012 RSU grant, 3,425 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 determination date (September 3, 2015).

SEC source: 0001628280-15-006999 · wf-form4_144175616244395.xml · nonDerivative · entry 2

Bell Bobby R · CIK 0001498385 · Executive Vice President

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 23,588.917

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

F6 · price: As noted in Footnote 2, on August 2, 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, based on KLA-Tencor's financial performance, 13,125 shares of KLA-Tencor common stock. On September 3, 2015, the reporting person vested in fifty percent (50%) of such performance-based RSUs.

SEC source: 0001628280-15-006999 · wf-form4_144175616244395.xml · nonDerivative · entry 1

Bell Bobby R · CIK 0001498385 · Executive Vice President

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 67,398

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, 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 10,500 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 13,125.

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 (August 2, 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 13,125 RSUs in connection with the determination of the level at which the August 2, 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: 0001628280-15-007001 · wf-form4_144175621833955.xml · nonDerivative · entry 1

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 36,188

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 3,140 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 3,925.

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 3,925 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: 0001628280-15-007003 · 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: 0001628280-15-007005 · wf-form4_144175634434465.xml · nonDerivative · entry 3

Kirk Michael · CIK 0001582625 · Executive Vice President

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 17,038

F7 · shares: Pursuant to such terms of the August 2, 2012 RSU grant, 3,425 shares of KLA-Tencor common stock were automatically withheld on the day of determination 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 determination date (September 3, 2015).

SEC source: 0001628280-15-007005 · wf-form4_144175634434465.xml · nonDerivative · entry 2

Kirk Michael · CIK 0001582625 · Executive Vice President

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 20,463

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 Foonote 2, on August 2, 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, based on KLA-Tencor's financial performance, 13,125 shares of KLA-Tencor common stock. On September 3, 2015, the reporting person vested in fifty percent (50%) of such performance-based RSUs.

SEC source: 0001628280-15-007005 · wf-form4_144175634434465.xml · nonDerivative · entry 1

Kirk Michael · CIK 0001582625 · Executive Vice President

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 67,398

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

F2 · shares: On August 2,2012, 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 10,500 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 13,125.

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 (August 2, 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 13,125 RSUs in connection with the determination of the level at which the August 2, 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: 0001628280-15-007007 · wf-form4_144175639865088.xml · nonDerivative · entry 3

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 2,130

F7 · shares: Pursuant to such terms of the August 2, 2012 RSU grant, 1,105 shares of KLA-Tencor common stock were automatically withheld on the day of determination 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 determination date (September 3, 2015).

SEC source: 0001628280-15-007007 · wf-form4_144175639865088.xml · nonDerivative · entry 2

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 3,235

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 August 2, 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, based on KLA-Tencor's financial performance, 5,875 shares of KLA-Tencor common stock. On September 3, 2015, the reporting person vested in fifty percent (50%) of such performance-based RSUs.

SEC source: 0001628280-15-007007 · wf-form4_144175639865088.xml · nonDerivative · entry 1

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 20,423

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

F2 · shares: On August 2, 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 4,700 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 5,875.

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 (August 2, 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 5,875 RSUs in connection with the determination of the level at which the August 2, 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: 0001628280-15-007009 · wf-form4_144175645015575.xml · nonDerivative · entry 3

Martin Brian · CIK 0001395281 · Executive VP & General Counsel

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 4,450

F7 · shares: Pursuant to such terms of the August 2, 2012 RSU grant, 1,952 shares of KLA-Tencor common stock were automatically withheld on the day of determination 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 determination date (September 3, 2015).

SEC source: 0001628280-15-007009 · wf-form4_144175645015575.xml · nonDerivative · entry 2

Martin Brian · CIK 0001395281 · Executive VP & General Counsel

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 6,402

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 August 2, 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, based on KLA-Tencor's financial performance, 9,125 shares of KLA-Tencor common stock. On September 3, 2015, the reporting person vested in fifty percent (50%) of such performance-based RSUs.

SEC source: 0001628280-15-007009 · wf-form4_144175645015575.xml · nonDerivative · entry 1

Martin Brian · CIK 0001395281 · Executive VP & General Counsel

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 18,424

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, 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 7,300 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 9,125.

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 (August 2, 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 9,125 RSUs in connection with the determination of the level at which the August 2, 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: 0001628280-15-007011 · wf-form4_144175656577749.xml · nonDerivative · entry 1

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 40,269

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: 0001628280-15-007013 · wf-form4_144175663370957.xml · nonDerivative · entry 3

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 58,740

F7 · shares: Pursuant to such terms of the August 2, 2012 RSU grant, 15,361 shares of KLA-Tencor common stock were automatically withheld on the day of determination 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 determination date (September 3, 2015).

SEC source: 0001628280-15-007013 · wf-form4_144175663370957.xml · nonDerivative · entry 2

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 74,101

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 August 2, 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, based on KLA-Tencor's financial performance, 58,875 shares of KLA-Tencor common stock. On September 3, 2015, the reporting person vested in fifty percent (50%) of such performance-based RSUs.

SEC source: 0001628280-15-007013 · wf-form4_144175663370957.xml · nonDerivative · entry 1

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 149,412

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, 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 47,100 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 09/03/2015 the Compensation Committee of the 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 58,875.

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 (August 2, 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 58,875 RSUs in connection with the determination of the level at which the August 2, 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: 0001628280-15-006542 · wf-form4_143941291290261.xml · nonDerivative · entry 1

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 0

F1 · kind: This sale is effected pursuant to the terms of a Rule 10b5-1 trading plan adopted by the Reporting Person on May 22, 2015.

SEC source: 0001628280-15-006543 · wf-form4_143941297873681.xml · nonDerivative · entry 1

Martin Brian · CIK 0001395281 · Executive VP & General Counsel

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 1,839

F1 · kind: This sale is effected pursuant to the terms of a Rule 10b5-1 trading plan adopted by the Reporting Person on March 11, 2015.

SEC source: 0001628280-15-006544 · wf-form4_143941305825810.xml · nonDerivative · entry 1

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 297

F1 · kind: This sale is effected pursuant to the terms of a Rule 10b5-1 trading plan adopted by the Reporting Person on March 11, 2015.

SEC source: 0001628280-15-006545 · wf-form4_143941316570899.xml · nonDerivative · entry 1

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 567

F1 · kind: This sale is effected pursuant to the terms of a Rule 10b5-1 trading plan adopted by the Reporting Person on June 11, 2015.

SEC source: 0001628280-15-006546 · wf-form4_143941324977708.xml · nonDerivative · entry 1

Bell Bobby R · CIK 0001498385 · Executive Vice President

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 17,025.917

F1 · kind: This sale is effected pursuant to the terms of a Rule 10b5-1 trading plan adopted by the Reporting Person on June 5, 2015.

SEC source: 0001628280-15-006475 · wf-form4_143932759734446.xml · nonDerivative · entry 7

Bell Bobby R · CIK 0001498385 · Executive Vice President

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 17,463.917

F8 · shares: Pursuant to such terms of the August 7, 2014 RSU grant, 1,912 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: 0001628280-15-006475 · wf-form4_143932759734446.xml · nonDerivative · entry 6

Bell Bobby R · CIK 0001498385 · Executive Vice President

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 19,375.917

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

F7 · price: On August 7, 2014, the Reporting Person received a grant of restricted stock units ("RSUs") covering 14,650 shares of KLA-Tencor common stock. On August 7, 2015, the Reporting Person vested in twenty-five percent (25%) of such RSUs.

SEC source: 0001628280-15-006475 · wf-form4_143932759734446.xml · nonDerivative · entry 5

Bell Bobby R · CIK 0001498385 · Executive Vice President

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 15,712.917

F1 · kind: This sale is effected pursuant to the terms of a Rule 10b5-1 trading plan adopted by the Reporting Person on June 5, 2015.

F6 · price: This transaction was executed in multiple trades at prices ranging from $51.74 to $52.02. The price reported above reflects the weighted-average sales price. The Reporting Person hereby undertakes to provide upon request to the SEC staff, the issuer or a security holder of the issuer, full information regarding the number of shares and prices at which the transaction was effected.

SEC source: 0001628280-15-006475 · wf-form4_143932759734446.xml · nonDerivative · entry 4

Bell Bobby R · CIK 0001498385 · Executive Vice President

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 16,122.917

F1 · kind: This sale is effected pursuant to the terms of a Rule 10b5-1 trading plan adopted by the Reporting Person on June 5, 2015.

F5 · price: This transaction was executed in multiple trades at prices ranging from $51.77 to $51.94. The price reported above reflects the weighted-average sales price. The Reporting Person hereby undertakes to provide upon request to the SEC staff, the issuer or a security holder of the issuer, full information regarding the number of shares and prices at which the transaction was effected.

SEC source: 0001628280-15-006475 · wf-form4_143932759734446.xml · nonDerivative · entry 3

Bell Bobby R · CIK 0001498385 · Executive Vice President

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 17,019.917

F1 · kind: This sale is effected pursuant to the terms of a Rule 10b5-1 trading plan adopted by the Reporting Person on June 5, 2015.

F4 · price: This transaction was executed in multiple trades at prices ranging from $51.76 to $51.98. The price reported above reflects the weighted-average sales price. The Reporting Person hereby undertakes to provide upon request to the SEC staff, the issuer or a security holder of the issuer, full information regarding the number of shares and prices at which the transaction was effected.

SEC source: 0001628280-15-006475 · wf-form4_143932759734446.xml · nonDerivative · entry 2

Bell Bobby R · CIK 0001498385 · Executive Vice President

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 24,553.917

F1 · kind: This sale is effected pursuant to the terms of a Rule 10b5-1 trading plan adopted by the Reporting Person on June 5, 2015.

F3 · price: This transaction was executed in multiple trades at prices ranging from $51.85 to $52.00. The price reported above reflects the weighted-average sales price. The Reporting Person hereby undertakes to provide upon request to the SEC staff, the issuer or a security holder of the issuer, full information regarding the number of shares and prices at which the transaction was effected.

SEC source: 0001628280-15-006475 · wf-form4_143932759734446.xml · nonDerivative · entry 1

Bell Bobby R · CIK 0001498385 · Executive Vice President

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 25,677.917

F1 · kind: This sale is effected pursuant to the terms of a Rule 10b5-1 trading plan adopted by the Reporting Person on June 5, 2015.

F2 · price: This transaction was executed in multiple trades at prices ranging from $51.68 to $51.71. The price reported above reflects the weighted-average sales price. The Reporting Person hereby undertakes to provide upon request to the SEC staff, the issuer or a security holder of the issuer, full information regarding the number of shares and prices at which the transaction was effected.

SEC source: 0001628280-15-006477 · wf-form4_143932778877616.xml · nonDerivative · entry 4

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 1,852

F3 · 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: 0001628280-15-006477 · wf-form4_143932778877616.xml · nonDerivative · entry 3

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 2,712

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 · 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: 0001628280-15-006477 · wf-form4_143932778877616.xml · nonDerivative · entry 2

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 424

F1 · kind: This sale is effected pursuant to the terms of a Rule 10b5-1 trading plan adopted by the Reporting Person on June 11, 2015.

SEC source: 0001628280-15-006477 · wf-form4_143932778877616.xml · nonDerivative · entry 1

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 3,177

F1 · kind: This sale is effected pursuant to the terms of a Rule 10b5-1 trading plan adopted by the Reporting Person on June 11, 2015.

SEC source: 0001628280-15-006478 · wf-form4_143932793890391.xml · nonDerivative · entry 2

Kirk Michael · CIK 0001582625 · Executive Vice President

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 13,900

F2 · shares: Pursuant to such terms of the August 7, 2014 RSU grant, 1,912 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: 0001628280-15-006478 · wf-form4_143932793890391.xml · nonDerivative · entry 1

Kirk Michael · CIK 0001582625 · Executive Vice President

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 15,812

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 14,650 shares of KLA-Tencor common stock. On August 7, 2015, the Reporting Person vested in twenty-five percent (25%) of such RSUs.

SEC source: 0001628280-15-006479 · wf-form4_143932810676221.xml · nonDerivative · entry 3

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 866

F3 · shares: Pursuant to such terms of the August 7, 2014 RSU grant, 344 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: 0001628280-15-006479 · wf-form4_143932810676221.xml · nonDerivative · entry 2

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 1,210

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 · price: On August 7, 2014, the Reporting Person received a grant of restricted stock units ("RSUs") covering 3,650 shares of KLA-Tencor common stock. On August 7, 2015, the Reporting Person vested in twenty-five percent (25%) of such RSUs.