Sullivan James A.

SEC source: 0000950170-24-003160 · ownership.xml · nonDerivative · entry 1

Sullivan James A. · CIK 0001450800 · President and COO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 107,316.738

F1 · security: The reporting person was awarded time-based restricted stock units on January 4, 2024, which will vest in annual installments of one-third each over three years.

SEC source: 0000950170-23-070734 · ownership.xml · derivative · entry 3

Sullivan James A. · CIK 0001450800 · Ex. VP Chief Operating Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 8,887

Underlying: Common Stock · 594 shares

Expires 2030-03-03

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 · derivative.exercise_date: Stock options vested in annual installments of 25 percent over 4 years.

SEC source: 0000950170-23-070734 · ownership.xml · nonDerivative · entry 2

Sullivan James A. · CIK 0001450800 · Ex. VP Chief Operating Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 94,785.738

F1 · price: The price reported in column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $44.99 to $45.06 inclusive. The reporting person undertakes to provide to the Securities and Exchange Commission, the issuer or any security holder of the issuer, upon request, full information regarding the number of shares sold at each separate price.

SEC source: 0000950170-23-070734 · ownership.xml · nonDerivative · entry 1

Sullivan James A. · CIK 0001450800 · Ex. VP Chief Operating Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 95,379.738

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: 0000950170-23-070421 · ownership.xml · derivative · entry 6

Sullivan James A. · CIK 0001450800 · Ex. VP Chief Operating Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 9,481

Underlying: Common Stock · 21,886 shares

Expires 2030-03-03

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: Stock options vested in annual installments of 25 percent over 4 years.

SEC source: 0000950170-23-070421 · ownership.xml · nonDerivative · entry 4

Sullivan James A. · CIK 0001450800 · Ex. VP Chief Operating Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 94,785.738

F2 · price: The price reported in column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $44.00 to $44.49, inclusive. The reporting person undertakes to provide to the Securities and Exchange Commission, the issuer or any security holder of the issuer, upon request, full information regarding the number of shares sold at each separate price.

SEC source: 0000950170-23-070421 · ownership.xml · nonDerivative · entry 3

Sullivan James A. · CIK 0001450800 · Ex. VP Chief Operating Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 116,671.738

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: 0000950170-23-070421 · ownership.xml · derivative · entry 7

Sullivan James A. · CIK 0001450800 · Ex. VP Chief Operating Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 397

Underlying: Common Stock · 242 shares

Expires not disclosed

F4 · derivative.exercise_price: The dividend equivalent rights ("DERs") accrued with respect to additional time-based and performance-based restricted stock units ("RSUs" and "PSUs", respectively) credited to the reporting person. Of this total, 180 DERs accrued with respect to RSUs granted on March 3, 2020, January 4, 2021, January 4, 2022, and January 4, 2023, and 62 DERs accrued with respect to PSUs granted on January 4, 2021 and January 4, 2022. Each DER is the economic equivalent of one share of Koppers Holdings Inc. common stock.

F4 · derivative.exercise_date: The dividend equivalent rights ("DERs") accrued with respect to additional time-based and performance-based restricted stock units ("RSUs" and "PSUs", respectively) credited to the reporting person. Of this total, 180 DERs accrued with respect to RSUs granted on March 3, 2020, January 4, 2021, January 4, 2022, and January 4, 2023, and 62 DERs accrued with respect to PSUs granted on January 4, 2021 and January 4, 2022. Each DER is the economic equivalent of one share of Koppers Holdings Inc. common stock.

F4 · derivative.expiration_date: The dividend equivalent rights ("DERs") accrued with respect to additional time-based and performance-based restricted stock units ("RSUs" and "PSUs", respectively) credited to the reporting person. Of this total, 180 DERs accrued with respect to RSUs granted on March 3, 2020, January 4, 2021, January 4, 2022, and January 4, 2023, and 62 DERs accrued with respect to PSUs granted on January 4, 2021 and January 4, 2022. Each DER is the economic equivalent of one share of Koppers Holdings Inc. common stock.

SEC source: 0000950170-23-070421 · ownership.xml · derivative · entry 5

Sullivan James A. · CIK 0001450800 · Ex. VP Chief Operating Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 31,367

Underlying: Common Stock · 397 shares

Expires 2030-03-03

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: Stock options vested in annual installments of 25 percent over 4 years.

SEC source: 0000950170-23-070421 · ownership.xml · nonDerivative · entry 2

Sullivan James A. · CIK 0001450800 · Ex. VP Chief Operating Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 94,785.738

F1 · price: The price reported in column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $44.00 to $44.41, inclusive. The reporting person undertakes to provide to the Securities and Exchange Commission, the issuer or any security holder of the issuer, upon request, full information regarding the number of shares sold at each separate price.

SEC source: 0000950170-23-070421 · ownership.xml · nonDerivative · entry 1

Sullivan James A. · CIK 0001450800 · Ex. VP Chief Operating Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 95,182.738

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: 0000950170-23-069754 · ownership.xml · derivative · entry 6

Sullivan James A. · CIK 0001450800 · Ex. VP Chief Operating Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 31,764

Underlying: Common Stock · 3,781 shares

Expires 2030-03-03

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: Stock options vested in annual installments of 25 percent over 4 years.

SEC source: 0000950170-23-069754 · ownership.xml · nonDerivative · entry 4

Sullivan James A. · CIK 0001450800 · Ex. VP Chief Operating Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 94,785.738

F2 · price: The price reported in column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $44.00 to $44.26, inclusive. The reporting person undertakes to provide to the Securities and Exchange Commission, the issuer or any security holder of the issuer, upon request, full information regarding the number of shares sold at each separate price.

SEC source: 0000950170-23-069754 · ownership.xml · nonDerivative · entry 3

Sullivan James A. · CIK 0001450800 · Ex. VP Chief Operating Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 98,566.738

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: 0000950170-23-069754 · ownership.xml · derivative · entry 5

Sullivan James A. · CIK 0001450800 · Ex. VP Chief Operating Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 15,901 shares

Expires 2029-03-06

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.

F3 · derivative.exercise_date: Stock options vested in annual installments of 25 percent over 4 years.

SEC source: 0000950170-23-069754 · ownership.xml · nonDerivative · entry 2

Sullivan James A. · CIK 0001450800 · Ex. VP Chief Operating Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 94,785.738

F1 · price: The price reported in column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $44.00 to $44.91, inclusive. The reporting person undertakes to provide to the Securities and Exchange Commission, the issuer or any security holder of the issuer, upon request, full information regarding the number of shares sold at each separate price.

SEC source: 0000950170-23-069754 · ownership.xml · nonDerivative · entry 1

Sullivan James A. · CIK 0001450800 · Ex. VP Chief Operating Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 110,686.738

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: 0000950170-23-069127 · ownership.xml · derivative · entry 6

Sullivan James A. · CIK 0001450800 · Ex. VP Chief Operating Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 14,542 shares

Expires 2026-03-01

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.

F3 · derivative.exercise_date: Stock options vested in annual installments of 25 percent over 4 years.

SEC source: 0000950170-23-069127 · ownership.xml · nonDerivative · entry 4

Sullivan James A. · CIK 0001450800 · Ex. VP Chief Operating Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 94,785.738

F2 · price: The price reported in column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $44.29 to $44.71, inclusive. The reporting person undertakes to provide to the Securities and Exchange Commission, the issuer or any security holder of the issuer, upon request, full information regarding the number of shares sold at each separate price.

SEC source: 0000950170-23-069127 · ownership.xml · nonDerivative · entry 3

Sullivan James A. · CIK 0001450800 · Ex. VP Chief Operating Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 109,327.738

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: 0000950170-23-069127 · ownership.xml · derivative · entry 5

Sullivan James A. · CIK 0001450800 · Ex. VP Chief Operating Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 14,542

Underlying: Common Stock · 2,067 shares

Expires 2026-03-01

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.

F3 · derivative.exercise_date: Stock options vested in annual installments of 25 percent over 4 years.

SEC source: 0000950170-23-069127 · ownership.xml · nonDerivative · entry 2

Sullivan James A. · CIK 0001450800 · Ex. VP Chief Operating Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 94,785.738

F1 · price: The price reported in column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $44.87 to $45.14, inclusive. The reporting person undertakes to provide to the Securities and Exchange Commission, the issuer or any security holder of the issuer, upon request, full information regarding the number of shares sold at each separate price.

SEC source: 0000950170-23-069127 · ownership.xml · nonDerivative · entry 1

Sullivan James A. · CIK 0001450800 · Ex. VP Chief Operating Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 96,852.738

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: 0000950170-23-068572 · ownership.xml · derivative · entry 3

Sullivan James A. · CIK 0001450800 · Ex. VP Chief Operating Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 23,437 shares

Expires 2025-03-03

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 · derivative.exercise_date: Stock options vested in annual installments of 25 percent over 4 years.

SEC source: 0000950170-23-068572 · ownership.xml · nonDerivative · entry 2

Sullivan James A. · CIK 0001450800 · Ex. VP Chief Operating Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 94,785.738

F1 · price: The price reported in column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $44.73 to $45.50, inclusive. The reporting person undertakes to provide to the Securities and Exchange Commission, the issuer or any security holder of the issuer, upon request, full information regarding the number of shares sold at each separate price.

SEC source: 0000950170-23-068572 · ownership.xml · nonDerivative · entry 1

Sullivan James A. · CIK 0001450800 · Ex. VP Chief Operating Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 112,329.738

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: 0001209191-23-016892 · doc4.xml · derivative · entry 6

Sullivan James A. · CIK 0001450800 · EVP, Chief Operating Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 155

Underlying: Common Stock · 8 shares

Expires not disclosed

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_price: These DERs were released in connection with the vesting of RSUs granted on March 6, 2019. Each DER is the economic equivalent of one share of Koppers Holdings Inc. common stock.

F4 · shares: These DERs were released in connection with the vesting of RSUs granted on March 6, 2019. Each DER is the economic equivalent of one share of Koppers Holdings Inc. common stock.

F4 · derivative.exercise_date: These DERs were released in connection with the vesting of RSUs granted on March 6, 2019. Each DER is the economic equivalent of one share of Koppers Holdings Inc. common stock.

F4 · derivative.expiration_date: These DERs were released in connection with the vesting of RSUs granted on March 6, 2019. Each DER is the economic equivalent of one share of Koppers Holdings Inc. common stock.

SEC source: 0001209191-23-016892 · doc4.xml · nonDerivative · entry 4

Sullivan James A. · CIK 0001450800 · EVP, Chief Operating Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 88,892.738

F2 · acquired: Shares surrendered to the issuer by the reporting person as payment for the tax withholding related to the vesting of time-based restricted stock units ("RSUs").

SEC source: 0001209191-23-016892 · doc4.xml · nonDerivative · entry 3

Sullivan James A. · CIK 0001450800 · EVP, Chief Operating Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 89,341.738

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 · shares: Represents shares acquired upon release of dividend equivalent rights ("DERs"), as reported in Table II, on a one-for-one basis.

F1 · price: Represents shares acquired upon release of dividend equivalent rights ("DERs"), as reported in Table II, on a one-for-one basis.

SEC source: 0001209191-23-016892 · doc4.xml · derivative · entry 5

Sullivan James A. · CIK 0001450800 · EVP, Chief Operating Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 163

Underlying: Common Stock · 19 shares

Expires not disclosed

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_price: These DERs were released in connection with the vesting of RSUs granted on March 3, 2020. Each DER is the economic equivalent of one share of Koppers Holdings Inc. common stock.

F3 · shares: These DERs were released in connection with the vesting of RSUs granted on March 3, 2020. Each DER is the economic equivalent of one share of Koppers Holdings Inc. common stock.

F3 · derivative.exercise_date: These DERs were released in connection with the vesting of RSUs granted on March 3, 2020. Each DER is the economic equivalent of one share of Koppers Holdings Inc. common stock.

F3 · derivative.expiration_date: These DERs were released in connection with the vesting of RSUs granted on March 3, 2020. Each DER is the economic equivalent of one share of Koppers Holdings Inc. common stock.

SEC source: 0001209191-23-016892 · doc4.xml · nonDerivative · entry 2

Sullivan James A. · CIK 0001450800 · EVP, Chief Operating Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 89,333.738

F2 · acquired: Shares surrendered to the issuer by the reporting person as payment for the tax withholding related to the vesting of time-based restricted stock units ("RSUs").

SEC source: 0001209191-23-016892 · doc4.xml · nonDerivative · entry 1

Sullivan James A. · CIK 0001450800 · EVP, Chief Operating Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 90,411.738

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 · shares: Represents shares acquired upon release of dividend equivalent rights ("DERs"), as reported in Table II, on a one-for-one basis.

F1 · price: Represents shares acquired upon release of dividend equivalent rights ("DERs"), as reported in Table II, on a one-for-one basis.

SEC source: 0001209191-23-002614 · doc4.xml · derivative · entry 6

Sullivan James A. · CIK 0001450800 · EVP, Chief Operating Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 182

Underlying: Common Stock · 36 shares

Expires not disclosed

F7 · derivative.exercise_price: The DERs accrued with respect to additional PSUs credited to the reporting person with respect to PSUs granted on January 4, 2021 and January 4, 2022. Each DER is the economic equivalent of one share of Koppers Holdings Inc. common stock.

F7 · derivative.exercise_date: The DERs accrued with respect to additional PSUs credited to the reporting person with respect to PSUs granted on January 4, 2021 and January 4, 2022. Each DER is the economic equivalent of one share of Koppers Holdings Inc. common stock.

F7 · derivative.expiration_date: The DERs accrued with respect to additional PSUs credited to the reporting person with respect to PSUs granted on January 4, 2021 and January 4, 2022. Each DER is the economic equivalent of one share of Koppers Holdings Inc. common stock.

SEC source: 0001209191-23-002614 · doc4.xml · derivative · entry 5

Sullivan James A. · CIK 0001450800 · EVP, Chief Operating Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 1,936

Underlying: Common Stock · 1,936 shares

Expires not disclosed

F4 · derivative.exercise_price: Restricted stock units represent the right to receive shares of common stock on a one-for-one basis and may be settled in cash or in shares of common stock.

F6 · derivative.exercise_date: On January 4, 2022, the reporting person was granted PSUs for which the one-year performance period from January 1, 2022 through December 31, 2022 have been satisfied. All of the restricted stock units reported here are subject to vesting based on the continued service of the reporting person through January 5, 2025. If the Company's total shareholder return over the three-year period of January 1, 2022 through December 31, 2024 is negative, then the cumulative number of units that may vest for such three-year period will be capped at 150% of the target number.

F6 · derivative.expiration_date: On January 4, 2022, the reporting person was granted PSUs for which the one-year performance period from January 1, 2022 through December 31, 2022 have been satisfied. All of the restricted stock units reported here are subject to vesting based on the continued service of the reporting person through January 5, 2025. If the Company's total shareholder return over the three-year period of January 1, 2022 through December 31, 2024 is negative, then the cumulative number of units that may vest for such three-year period will be capped at 150% of the target number.

SEC source: 0001209191-23-002614 · doc4.xml · derivative · entry 4

Sullivan James A. · CIK 0001450800 · EVP, Chief Operating Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 7,791

Underlying: Common Stock · 3,106 shares

Expires not disclosed

F4 · derivative.exercise_price: Restricted stock units represent the right to receive shares of common stock on a one-for-one basis and may be settled in cash or in shares of common stock.

F5 · derivative.exercise_date: On January 4, 2021, the reporting person was granted performance share units ("PSUs") for which the two-year performance period from January 1, 2021 through December 31, 2022 have been satisfied. All of the restricted stock units reported here are subject to vesting based on the continued service of the reporting person through January 5, 2024. If the Company's total shareholder return over the three-year period of January 1, 2021 through December 31, 2023 is negative, then the cumulative number of units that may vest for such three-year period will be capped at 150% of the target number.

F5 · derivative.expiration_date: On January 4, 2021, the reporting person was granted performance share units ("PSUs") for which the two-year performance period from January 1, 2021 through December 31, 2022 have been satisfied. All of the restricted stock units reported here are subject to vesting based on the continued service of the reporting person through January 5, 2024. If the Company's total shareholder return over the three-year period of January 1, 2021 through December 31, 2023 is negative, then the cumulative number of units that may vest for such three-year period will be capped at 150% of the target number.

SEC source: 0001209191-23-002614 · doc4.xml · derivative · entry 3

Sullivan James A. · CIK 0001450800 · EVP, Chief Operating Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 146

Underlying: Common Stock · 26 shares

Expires not disclosed

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_price: These DERs were released in connection with the vesting of RSUs granted on January 4, 2021 and January 4, 2022. Each DER is the economic equivalent of one share of Koppers Holdings Inc. common stock.

F3 · shares: These DERs were released in connection with the vesting of RSUs granted on January 4, 2021 and January 4, 2022. Each DER is the economic equivalent of one share of Koppers Holdings Inc. common stock.

F3 · derivative.exercise_date: These DERs were released in connection with the vesting of RSUs granted on January 4, 2021 and January 4, 2022. Each DER is the economic equivalent of one share of Koppers Holdings Inc. common stock.

F3 · derivative.expiration_date: These DERs were released in connection with the vesting of RSUs granted on January 4, 2021 and January 4, 2022. Each DER is the economic equivalent of one share of Koppers Holdings Inc. common stock.

SEC source: 0001209191-23-002614 · doc4.xml · nonDerivative · entry 2

Sullivan James A. · CIK 0001450800 · EVP, Chief Operating Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 90,393.191

F2 · acquired: Shares surrendered to the issuer by the reporting person as payment for the tax withholding related to the vesting of time-based restricted stock units ("RSUs").

SEC source: 0001209191-23-002614 · doc4.xml · nonDerivative · entry 1

Sullivan James A. · CIK 0001450800 · EVP, Chief Operating Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 92,150.191

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 · shares: Represents shares acquired upon release of dividend equivalent rights ("DERs"), as reported in Table II, on a one-for-one basis.

F1 · price: Represents shares acquired upon release of dividend equivalent rights ("DERs"), as reported in Table II, on a one-for-one basis.

SEC source: 0001209191-23-002101 · doc4.xml · nonDerivative · entry 1

Sullivan James A. · CIK 0001450800 · EVP, Chief Operating Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 92,124.191

F1 · security: The reporting person was awarded time-based restricted stock units on January 4, 2023, which will vest in annual installments of one-third each over three years.

SEC source: 0001209191-23-002101 · doc4.xml · derivative · entry 2

Sullivan James A. · CIK 0001450800 · EVP, Chief Operating Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 172

Underlying: Common Stock · 172 shares

Expires not disclosed

F2 · derivative.exercise_price: The dividend equivalent rights ("DERs") accrued with respect to additional time-based and performance-based restricted stock units ("RSUs" and "PSUs", respectively) credited to the reporting person. Of this total, 138 DERs accrued with respect to RSUs granted on March 6, 2019, March 3, 2020, January 4, 2021, and January 4, 2022, and 34 DERs accrued with respect to PSUs granted on January 4, 2021. Each DER is the economic equivalent of one share of Koppers Holdings Inc. common stock.

F2 · derivative.exercise_date: The dividend equivalent rights ("DERs") accrued with respect to additional time-based and performance-based restricted stock units ("RSUs" and "PSUs", respectively) credited to the reporting person. Of this total, 138 DERs accrued with respect to RSUs granted on March 6, 2019, March 3, 2020, January 4, 2021, and January 4, 2022, and 34 DERs accrued with respect to PSUs granted on January 4, 2021. Each DER is the economic equivalent of one share of Koppers Holdings Inc. common stock.

F2 · derivative.expiration_date: The dividend equivalent rights ("DERs") accrued with respect to additional time-based and performance-based restricted stock units ("RSUs" and "PSUs", respectively) credited to the reporting person. Of this total, 138 DERs accrued with respect to RSUs granted on March 6, 2019, March 3, 2020, January 4, 2021, and January 4, 2022, and 34 DERs accrued with respect to PSUs granted on January 4, 2021. Each DER is the economic equivalent of one share of Koppers Holdings Inc. common stock.

SEC source: 0001209191-22-017017 · doc4.xml · derivative · entry 3

Sullivan James A. · CIK 0001450800 · EVP, Chief Operating Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 20,581 shares

Expires not disclosed

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 · derivative.exercise_price: Restricted stock units convert into common stock on a one-for-one basis.

F3 · derivative.exercise_date: Represents previously granted performance share units for which the performance criteria for the three-year performance period from January 1, 2019 through December 31, 2021 have been satisfied, as reported in the reporting person's Form 4 filed on January 7, 2022, as amended on February 17, 2022.

F3 · derivative.expiration_date: Represents previously granted performance share units for which the performance criteria for the three-year performance period from January 1, 2019 through December 31, 2021 have been satisfied, as reported in the reporting person's Form 4 filed on January 7, 2022, as amended on February 17, 2022.

SEC source: 0001209191-22-017017 · doc4.xml · nonDerivative · entry 2

Sullivan James A. · CIK 0001450800 · EVP, Chief Operating Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 75,531.191

F2 · acquired: Shares surrendered to the issuer by the reporting person as payment for the tax withholding related to the vesting of time-based restricted stock units and performance share units.

SEC source: 0001209191-22-017017 · doc4.xml · nonDerivative · entry 1

Sullivan James A. · CIK 0001450800 · EVP, Chief Operating Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 84,978.191

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: Restricted stock units convert into common stock on a one-for-one basis.

SEC source: 0001209191-22-016634 · doc4.xml · nonDerivative · entry 1

Sullivan James A. · CIK 0001450800 · EVP, Chief Operating Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 64,397.191

F1 · acquired: Shares surrendered to the issuer by the reporting person as payment for the tax withholding related to the vesting of time-based restricted stock units.

SEC source: 0001209191-22-016349 · doc4.xml · nonDerivative · entry 1

Sullivan James A. · CIK 0001450800 · EVP, Chief Operating Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 65,449.191

F1 · acquired: Shares surrendered to the issuer by the reporting person as payment for the tax withholding related to the vesting of time-based restricted stock units.

SEC source: 0001209191-22-002542 · doc4.xml · derivative · entry 3

Sullivan James A. · CIK 0001450800 · EVP, Chief Operating Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 4,490

Underlying: Common Stock · 4,490 shares

Expires not disclosed

F2 · derivative.exercise_price: Restricted stock units represent the right to receive shares of common stock on a one-for-one basis and may be settled in cash or in shares of common stock.

F5 · derivative.exercise_date: On January 4, 2021, the reporting person was granted performance share units for which the performance criteria for the one-year performance period from January 1, 2021 through December 31, 2021 have been satisfied. All of the restricted stock units reported here are subject to vesting based on the continued service of the reporting person through January 5, 2024. If the Company's total shareholder return over the three-year period of January 1, 2021 through December 31, 2023 is negative, then the cumulative number of units that may vest for such three-year period will be capped at 150% of the target number.

F5 · derivative.expiration_date: On January 4, 2021, the reporting person was granted performance share units for which the performance criteria for the one-year performance period from January 1, 2021 through December 31, 2021 have been satisfied. All of the restricted stock units reported here are subject to vesting based on the continued service of the reporting person through January 5, 2024. If the Company's total shareholder return over the three-year period of January 1, 2021 through December 31, 2023 is negative, then the cumulative number of units that may vest for such three-year period will be capped at 150% of the target number.

SEC source: 0001209191-22-002542 · doc4.xml · derivative · entry 2

Sullivan James A. · CIK 0001450800 · EVP, Chief Operating Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 20,340

Underlying: Common Stock · 5,320 shares

Expires not disclosed

F2 · derivative.exercise_price: Restricted stock units represent the right to receive shares of common stock on a one-for-one basis and may be settled in cash or in shares of common stock.

F3 · derivative.exercise_date: On March 6, 2019, the reporting person was granted performance share units for which the performance criteria for the three-year performance period from January 1, 2019 through December 31, 2021 have been satisfied.

F3 · derivative.expiration_date: On March 6, 2019, the reporting person was granted performance share units for which the performance criteria for the three-year performance period from January 1, 2019 through December 31, 2021 have been satisfied.

F4 · balance_after: All of the restricted stock units reported here are subject to vesting based on the continued service of the reporting person through March 6, 2022.

SEC source: 0001209191-22-002542 · doc4.xml · nonDerivative · entry 1

Sullivan James A. · CIK 0001450800 · EVP, Chief Operating Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 65,703.191

F1 · acquired: Shares surrendered to the issuer by the reporting person as payment for the tax withholding related to the vesting of time-based restricted stock units.

SEC source: 0001209191-22-010679 · doc4a.xml · derivative · entry 2

Sullivan James A. · CIK 0001450800 · EVP, Chief Operating Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 4,685

Underlying: Common Stock · 4,685 shares

Expires not disclosed

F1 · derivative.exercise_price: Restricted stock units represent the right to receive shares of common stock on a one-for-one basis and may be settled in cash or in shares of common stock.

F5 · shares: This Form 4 amendment is being filed to correct the number of performance share units awarded to the reporting person for the one-year performance period from January 1, 2021 through December 31, 2021.

F6 · derivative.exercise_date: On January 4, 2021, the reporting person was granted performance share units for which the performance criteria for the one-year performance period from January 1, 2021 through December 31, 2021 have been satisfied. All of the restricted stock units reported here are subject to vesting based on the continued service of the reporting person through January 5, 2024. If the Company's total shareholder return over the three-year period of January 1, 2021 through December 31, 2023 is negative, then the cumulative number of units that may vest for such three-year period will be capped at 150% of the target number.

F6 · derivative.expiration_date: On January 4, 2021, the reporting person was granted performance share units for which the performance criteria for the one-year performance period from January 1, 2021 through December 31, 2021 have been satisfied. All of the restricted stock units reported here are subject to vesting based on the continued service of the reporting person through January 5, 2024. If the Company's total shareholder return over the three-year period of January 1, 2021 through December 31, 2023 is negative, then the cumulative number of units that may vest for such three-year period will be capped at 150% of the target number.

SEC source: 0001209191-22-010679 · doc4a.xml · derivative · entry 1

Sullivan James A. · CIK 0001450800 · EVP, Chief Operating Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 20,581

Underlying: Common Stock · 5,561 shares

Expires not disclosed

F1 · derivative.exercise_price: Restricted stock units represent the right to receive shares of common stock on a one-for-one basis and may be settled in cash or in shares of common stock.

F2 · shares: This Form 4 amendment is being filed to correct the number of performance share units awarded to the reporting person for the three-year performance period from January 1, 2019 through December 31, 2021.

F3 · derivative.exercise_date: On March 6, 2019, the reporting person was granted performance share units for which the performance criteria for the three-year performance period from January 1, 2019 through December 31, 2021 have been satisfied.

F3 · derivative.expiration_date: On March 6, 2019, the reporting person was granted performance share units for which the performance criteria for the three-year performance period from January 1, 2019 through December 31, 2021 have been satisfied.

F4 · balance_after: All of the restricted stock units reported here are subject to vesting based on the continued service of the reporting person through March 6, 2022.