EXTR

SEC source: 0001078271-17-000039 · edgardoc.xml · nonDerivative · entry 1

KENNEDY EDWARD H · CIK 0001222706 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 215,506

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.

SEC source: 0001078271-17-000038 · edgardoc.xml · derivative · entry 3

CARINALLI CHARLES · CIK 0001195839 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 14,873

Underlying: Common Stock · 14,873 shares

Expires 2018-11-09

F3 · derivative.exercise_date: Grant of restricted stock units pursuant to the Extreme Networks, Inc. 2013 Equity Incentive Plan. Vests in full one year after the date of grant.

SEC source: 0001078271-17-000038 · edgardoc.xml · derivative · entry 2

CARINALLI CHARLES · CIK 0001195839 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 26,258 shares

Expires 2017-11-18

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 · deemedExecutionDate: This restricted stock unit vested on November 9th, 2017, the same date our Annual Meeting was held.

F2 · price: This is not an applicable reportable field for this type of grant.

SEC source: 0001078271-17-000038 · edgardoc.xml · nonDerivative · entry 1

CARINALLI CHARLES · CIK 0001195839 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 391,353

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 · deemedExecutionDate: This restricted stock unit vested on November 9th, 2017, the same date our Annual Meeting was held.

SEC source: 0001078271-17-000032 · edgardoc.xml · derivative · entry 5

Davies Benjamin Drew · CIK 0001675717 · EVP Chief Financial Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 58,333

Underlying: Common Stock · 8,334 shares

Expires 2019-06-01

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 · derivative.exercise_date: Performance grants were earned when EXTR shares reached $5.00 per share for 30 consecutive trading days after January 1st 2017. Shares vest on the same schedule as the Time-Based RSUs granted at the same time.

SEC source: 0001078271-17-000032 · edgardoc.xml · nonDerivative · entry 4

Davies Benjamin Drew · CIK 0001675717 · EVP Chief Financial Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 115,239

F4 · shares: Represents shares withheld from the RSU award for the payment of applicable income and payroll withholding taxes due on release.

F2 · balance_after: Beneficially owned share amount includes 58,334 unvested RSUs granted on 6/1/2016.

SEC source: 0001078271-17-000032 · edgardoc.xml · nonDerivative · entry 3

Davies Benjamin Drew · CIK 0001675717 · EVP Chief Financial Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 119,588

F3 · shares: Represents shares withheld from the Performance Based RSU award for the payment of applicable income and payroll withholding taxes due on release.

F2 · balance_after: Beneficially owned share amount includes 58,334 unvested RSUs granted on 6/1/2016.

SEC source: 0001078271-17-000032 · edgardoc.xml · nonDerivative · entry 2

Davies Benjamin Drew · CIK 0001675717 · EVP Chief Financial Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 123,937

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 · balance_after: Beneficially owned share amount includes 58,334 unvested RSUs granted on 6/1/2016.

SEC source: 0001078271-17-000030 · edgardoc.xml · nonDerivative · entry 1

HOLMGREN KATHLEEN M · CIK 0001658818 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 36,662

SEC source: 0001078271-17-000028 · edgardoc.xml · derivative · entry 1

MEYERCORD EDWARD · CIK 0001179945 · Director · President and CEO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 146,552

Underlying: Common Stock · 146,552 shares

Expires 2020-08-23

F2 · price: This is not an applicable reportable field for this type of grant.

F1 · derivative.exercise_date: This time based RSU award vests as to 1/3 on 8/23/2018 and 1/12 each quarter thereafter.

F2 · derivative.expiration_date: This is not an applicable reportable field for this type of grant.

SEC source: 0001078271-17-000027 · edgardoc.xml · derivative · entry 1

Gault Robert J · CIK 0001641247 · EVP Worldwide Sales Services a

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 48,491

Underlying: Common Stock · 48,491 shares

Expires 2020-08-23

F2 · price: This is not an applicable reportable field for this type of grant.

F1 · derivative.exercise_date: This time based RSU award vests as to 1/3 on 8/23/2018 and 1/12 each quarter thereafter.

F2 · derivative.expiration_date: This is not an applicable reportable field for this type of grant.

SEC source: 0001078271-17-000026 · edgardoc.xml · derivative · entry 1

Davies Benjamin Drew · CIK 0001675717 · EVP Chief Financial Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 48,491

Underlying: Common Stock · 48,491 shares

Expires 2020-08-23

F2 · price: This is not an applicable reportable field for this type of grant.

F1 · derivative.exercise_date: This time based RSU award vests as to 1/3 on 8/23/2018 and 1/12 each quarter thereafter.

F2 · derivative.expiration_date: This is not an applicable reportable field for this type of grant.

SEC source: 0001078271-17-000022 · edgardoc.xml · nonDerivative · entry 1

MEYERCORD EDWARD · CIK 0001179945 · Director · President and CEO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 471,653

F1 · shares: Transaction made pursuant to a duly adopted 10b5-1 trading plan.

F2 · price: This transaction was executed in multiple trades at prices ranging from $10.39 to $10.87. The price reported reflects the weighted average 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: 0001078271-17-000020 · edgardoc.xml · derivative · entry 7

MEYERCORD EDWARD · CIK 0001179945 · Director · President and CEO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 173,420

Underlying: Common Stock · 86,580 shares

Expires 2019-08-15

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 · price: This is not an applicable reportable field for this type of grant.

F6 · derivative.exercise_date: This Time Based RSU award vests from the original grant date as to 1/3 on the one year anniversary and 1/12 each quarter thereafter.

SEC source: 0001078271-17-000020 · edgardoc.xml · derivative · entry 6

MEYERCORD EDWARD · CIK 0001179945 · Director · President and CEO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 173,420

Underlying: Common Stock · 86,580 shares

Expires 2019-08-15

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 · price: This is not an applicable reportable field for this type of grant.

F4 · derivative.exercise_date: Performance grants were earned when EXTR shares reached $5.00 per share for 30 consecutive trading days after January 1st 2017. Shares vest on the same schedule as the Time-Based RSUs granted at the same time.

SEC source: 0001078271-17-000020 · edgardoc.xml · nonDerivative · entry 5

MEYERCORD EDWARD · CIK 0001179945 · Director · President and CEO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 571,653

F3 · shares: Represents shares withheld from the Performance Based RSU award for the payment of applicable income and payroll withholding taxes due on release.

SEC source: 0001078271-17-000020 · edgardoc.xml · nonDerivative · entry 4

MEYERCORD EDWARD · CIK 0001179945 · Director · President and CEO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 614,034

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.

SEC source: 0001078271-17-000020 · edgardoc.xml · nonDerivative · entry 3

MEYERCORD EDWARD · CIK 0001179945 · Director · President and CEO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 527,454

F2 · shares: Represents shares withheld from the RSU award for the payment of applicable income and payroll withholding taxes due on release.

SEC source: 0001078271-17-000020 · edgardoc.xml · nonDerivative · entry 2

MEYERCORD EDWARD · CIK 0001179945 · Director · President and CEO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 569,835

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.

SEC source: 0001078271-17-000019 · edgardoc.xml · derivative · entry 10

Gault Robert J · CIK 0001641247 · EVP Worldwide Sales Services a

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 53,600

Underlying: Common Stock · 26,400 shares

Expires 2019-08-15

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 · price: This is not an applicable reportable field for this type of grant.

F7 · derivative.exercise_date: This Time Based RSU award vests from the original grant date as to 1/3 on the one year anniversary and 1/12 each quarter thereafter.

SEC source: 0001078271-17-000019 · edgardoc.xml · derivative · entry 9

Gault Robert J · CIK 0001641247 · EVP Worldwide Sales Services a

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 53,333

Underlying: Common Stock · 26,667 shares

Expires 2022-08-15

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 · price: This is not an applicable reportable field for this type of grant.

F6 · derivative.exercise_date: Performance grants were earned when EXTR shares reached $3.50 per share for 30 consecutive trading days. Shares vest in equal installments on August 15, 2016, August 15, 2017 and August 15, 2018.

SEC source: 0001078271-17-000019 · edgardoc.xml · derivative · entry 8

Gault Robert J · CIK 0001641247 · EVP Worldwide Sales Services a

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 53,360

Underlying: Common Stock · 26,640 shares

Expires 2019-08-15

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 · price: This is not an applicable reportable field for this type of grant.

F4 · derivative.exercise_date: Performance grants were earned when EXTR shares reached $5.00 per share for 30 consecutive trading days after January 1st 2017. Shares vest on the same schedule as the Time-Based RSUs granted at the same time.

SEC source: 0001078271-17-000019 · edgardoc.xml · nonDerivative · entry 7

Gault Robert J · CIK 0001641247 · EVP Worldwide Sales Services a

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 114,929

F2 · shares: Represents shares withheld from the Performance Based RSU award for the payment of applicable income and payroll withholding taxes due on release.

SEC source: 0001078271-17-000019 · edgardoc.xml · nonDerivative · entry 6

Gault Robert J · CIK 0001641247 · EVP Worldwide Sales Services a

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 127,970

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.

SEC source: 0001078271-17-000019 · edgardoc.xml · nonDerivative · entry 5

Gault Robert J · CIK 0001641247 · EVP Worldwide Sales Services a

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 101,330

F3 · shares: Represents shares withheld from the RSU award for the payment of applicable income and payroll withholding taxes due on release.

SEC source: 0001078271-17-000019 · edgardoc.xml · nonDerivative · entry 4

Gault Robert J · CIK 0001641247 · EVP Worldwide Sales Services a

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 114,037

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.

SEC source: 0001078271-17-000019 · edgardoc.xml · nonDerivative · entry 3

Gault Robert J · CIK 0001641247 · EVP Worldwide Sales Services a

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 87,637

F2 · shares: Represents shares withheld from the Performance Based RSU award for the payment of applicable income and payroll withholding taxes due on release.

SEC source: 0001078271-17-000019 · edgardoc.xml · nonDerivative · entry 2

Gault Robert J · CIK 0001641247 · EVP Worldwide Sales Services a

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 96,798

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.

SEC source: 0001078271-17-000019 · edgardoc.xml · nonDerivative · entry 1

Gault Robert J · CIK 0001641247 · EVP Worldwide Sales Services a

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 70,131

F1 · shares: The reporting person was granted 80,000 RSUs on August 15, 2015, which vest annually over 3 years in equal installments with the first vesting date on August 15, 2016. On August 15, 2017 a total of 26,400 shares vested. 9,069 shares represents the aggregate number of shares of Issuer common stock withheld for payment of the tax liability incident to the vesting of the RSUs issued in accordance with Rule 16b-3.

SEC source: 0001078271-17-000020 · edgardoc.xml · nonDerivative · entry 1

MEYERCORD EDWARD · CIK 0001179945 · Director · President and CEO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 483,255

F1 · shares: Shares were purchased through the 2014 Employee Stock Purchase Plan.

SEC source: 0001078271-17-000032 · edgardoc.xml · nonDerivative · entry 1

Davies Benjamin Drew · CIK 0001675717 · EVP Chief Financial Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 115,603

F1 · shares: Shares were purchased through the 2014 Employee Stock Purchase Plan.

F2 · balance_after: Beneficially owned share amount includes 58,334 unvested RSUs granted on 6/1/2016.

SEC source: 0001078271-17-000016 · edgardoc.xml · derivative · entry 5

MEYERCORD EDWARD · CIK 0001179945 · Director · President and CEO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 15,000 shares

Expires 2017-12-15

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: Transaction made pursuant to a duly adopted 10b5-1 trading plan.

SEC source: 0001078271-17-000016 · edgardoc.xml · nonDerivative · entry 4

MEYERCORD EDWARD · CIK 0001179945 · Director · President and CEO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 474,390

F2 · shares: Transaction made pursuant to a duly adopted 10b5-1 trading plan.

SEC source: 0001078271-17-000016 · edgardoc.xml · nonDerivative · entry 3

MEYERCORD EDWARD · CIK 0001179945 · Director · President and CEO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 489,390

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: Transaction made pursuant to a duly adopted 10b5-1 trading plan.

SEC source: 0001078271-17-000016 · edgardoc.xml · nonDerivative · entry 2

MEYERCORD EDWARD · CIK 0001179945 · Director · President and CEO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 474,390

F2 · shares: Transaction made pursuant to a duly adopted 10b5-1 trading plan.

SEC source: 0001078271-17-000014 · edgardoc.xml · derivative · entry 5

Davies Benjamin Drew · CIK 0001675717 · EVP Chief Financial Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 66,667

Underlying: Common Stock · 0 shares

Expires 2019-06-01

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 · derivative.exercise_date: Performance based RSU shares vest once the Company's stock equals or exceeds $5.00 for 30 consecutive trading days. Once threshold is satisfied the Performance-Based RSUs shall vest with respect to the number of Time-Based RSUs that have vested as of the date the Performance Threshold is satisfied and thereafter shall vest on the same schedule as the Time-Based RSUs. If threshold is not met by the third anniversary of the grant date the award is terminated for no consideration.

SEC source: 0001078271-17-000014 · edgardoc.xml · nonDerivative · entry 4

Davies Benjamin Drew · CIK 0001675717 · EVP Chief Financial Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 112,261

F3 · shares: Represents shares withheld from the Performance Based RSU award for the payment of applicable income and payroll withholding taxes due on release.

SEC source: 0001078271-17-000014 · edgardoc.xml · nonDerivative · entry 3

Davies Benjamin Drew · CIK 0001675717 · EVP Chief Financial Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 124,788

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.

SEC source: 0001078271-17-000014 · edgardoc.xml · nonDerivative · entry 2

Davies Benjamin Drew · CIK 0001675717 · EVP Chief Financial Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 91,455

F2 · shares: Represents shares withheld from the RSU award for the payment of applicable income and payroll withholding taxes due on release.

SEC source: 0001078271-17-000013 · edgardoc.xml · derivative · entry 8

Gault Robert J · CIK 0001641247 · EVP Worldwide Sales Services a

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 39,584

Underlying: Common Stock · 13,972 shares

Expires 2022-05-08

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 · derivative.exercise_date: Option is exercisable as vested; 1/4 vests one year from date of hire and then 1/48 vests on each full month thereafter until fully vested, so long as the optionee's employment has not terminated.

SEC source: 0001078271-17-000013 · edgardoc.xml · derivative · entry 7

Gault Robert J · CIK 0001641247 · EVP Worldwide Sales Services a

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 53,556

Underlying: Common Stock · 46,444 shares

Expires 2022-05-08

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 · derivative.exercise_date: Option is exercisable as vested; 1/4 vests one year from date of hire and then 1/48 vests on each full month thereafter until fully vested, so long as the optionee's employment has not terminated.

SEC source: 0001078271-17-000013 · edgardoc.xml · nonDerivative · entry 6

Gault Robert J · CIK 0001641247 · EVP Worldwide Sales Services a

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 79,200

F2 · price: This transaction was executed in multiple trades at prices ranging from 9.55 to 9.605 The price reported reflects the weighted average 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: 0001078271-17-000013 · edgardoc.xml · nonDerivative · entry 5

Gault Robert J · CIK 0001641247 · EVP Worldwide Sales Services a

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 111,885

SEC source: 0001078271-17-000013 · edgardoc.xml · nonDerivative · entry 4

Gault Robert J · CIK 0001641247 · EVP Worldwide Sales Services a

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 154,038

F1 · price: This transaction was executed in multiple trades at prices ranging from 9.55 to 9.61 The price reported reflects the weighted average 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: 0001078271-17-000013 · edgardoc.xml · nonDerivative · entry 3

Gault Robert J · CIK 0001641247 · EVP Worldwide Sales Services a

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 168,010

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.

SEC source: 0001078271-17-000013 · edgardoc.xml · nonDerivative · entry 2

Gault Robert J · CIK 0001641247 · EVP Worldwide Sales Services a

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 154,038

SEC source: 0001078271-17-000013 · edgardoc.xml · nonDerivative · entry 1

Gault Robert J · CIK 0001641247 · EVP Worldwide Sales Services a

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 200,482

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.

SEC source: 0001078271-17-000010 · edgardoc.xml · derivative · entry 10

CARINALLI CHARLES · CIK 0001195839 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 15,000 shares

Expires 2017-07-30

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.

SEC source: 0001078271-17-000010 · edgardoc.xml · derivative · entry 9

CARINALLI CHARLES · CIK 0001195839 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 15,000 shares

Expires 2019-04-26

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.

SEC source: 0001078271-17-000010 · edgardoc.xml · derivative · entry 8

CARINALLI CHARLES · CIK 0001195839 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 15,000 shares

Expires 2017-12-06

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.