KOP

SEC source: 0001209191-23-002078 · doc4.xml · nonDerivative · entry 1

BALL M LEROY · CIK 0001229771 · Director · President and CEO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 312,977.2224

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.

F2 · balance_after: Includes 825 shares of Koppers Holdings Inc. common stock acquired pursuant to the Koppers Holdings Inc. Employee Stock Purchase Plan on March 31, 2022 and June 30, 2022. These acquisitions were exempt under both Rule 16b-3(c) and Rule 16b-3(d).

SEC source: 0001209191-23-002097 · doc4.xml · nonDerivative · entry 1

Skrovanek Daniel J · CIK 0001915043 · VP, Growth & Innovation

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 31,814.3

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: 0001209191-23-002092 · doc4.xml · nonDerivative · entry 1

Lucas Stephen G · CIK 0001919175 · VP, Culture and Engagement

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 23,990

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: 0001209191-23-002089 · doc4.xml · nonDerivative · entry 1

Hyde Leslie S · CIK 0001349675 · SVP, Chief Sustainability Offi

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 53,294.4181

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: 0001209191-23-002084 · doc4.xml · nonDerivative · entry 1

Dowd Joseph P · CIK 0001553647 · Global VP, Zero Harm

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 39,683.8633

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.

F2 · balance_after: Includes 114 shares of Koppers Holdings Inc. common stock acquired pursuant to the Koppers Holdings Inc. Employee Stock Purchase Plan on March 31, 2022, June 30, 2022, and September 30, 2022. These acquisitions were exempt under both Rule 16b-3(c) and Rule 16b-3(d).

SEC source: 0001209191-23-002060 · doc4.xml · nonDerivative · entry 1

Washington Kevin · CIK 0001932214 · VP, External Affairs

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 7,364

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: 0001209191-23-002069 · doc4.xml · derivative · entry 2

Apostolou Stephanie L · CIK 0001806249 · General Counsel & Secretary

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 88

Underlying: Common Stock · 88 shares

Expires not disclosed

F3 · 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, 78 DERs accrued with respect to RSUs granted on March 6, 2019, March 3, 2020, January 4, 2021, and January 4, 2022, and 10 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.

F3 · 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, 78 DERs accrued with respect to RSUs granted on March 6, 2019, March 3, 2020, January 4, 2021, and January 4, 2022, and 10 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.

F3 · 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, 78 DERs accrued with respect to RSUs granted on March 6, 2019, March 3, 2020, January 4, 2021, and January 4, 2022, and 10 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: 0001209191-23-002094 · doc4.xml · derivative · entry 2

Pearce Bradley A · CIK 0001776180 · Chief Accounting Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 96

Underlying: Common Stock · 96 shares

Expires not disclosed

F3 · 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, 93 DERs accrued with respect to RSUs granted on March 6, 2019, March 3, 2020, January 4, 2021, and January 4, 2022, and 3 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.

F3 · 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, 93 DERs accrued with respect to RSUs granted on March 6, 2019, March 3, 2020, January 4, 2021, and January 4, 2022, and 3 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.

F3 · 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, 93 DERs accrued with respect to RSUs granted on March 6, 2019, March 3, 2020, January 4, 2021, and January 4, 2022, and 3 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: 0001209191-23-002074 · doc4.xml · derivative · entry 2

Smith Jimmi Sue · CIK 0001684691 · CFO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 89

Underlying: Common Stock · 89 shares

Expires not disclosed

F3 · 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, 79 DERs accrued with respect to RSUs granted on March 3, 2020, January 4, 2021, and January 4, 2022, and 10 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.

F3 · 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, 79 DERs accrued with respect to RSUs granted on March 3, 2020, January 4, 2021, and January 4, 2022, and 10 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.

F3 · 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, 79 DERs accrued with respect to RSUs granted on March 3, 2020, January 4, 2021, and January 4, 2022, and 10 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: 0001209191-23-002101 · 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: 0001209191-23-002078 · doc4.xml · derivative · entry 2

BALL M LEROY · CIK 0001229771 · Director · President and CEO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 460

Underlying: Common Stock · 460 shares

Expires not disclosed

F3 · 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, 370 DERs accrued with respect to RSUs granted on March 6, 2019, March 3, 2020, January 4, 2021, and January 4, 2022, and 90 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.

F3 · 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, 370 DERs accrued with respect to RSUs granted on March 6, 2019, March 3, 2020, January 4, 2021, and January 4, 2022, and 90 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.

F3 · 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, 370 DERs accrued with respect to RSUs granted on March 6, 2019, March 3, 2020, January 4, 2021, and January 4, 2022, and 90 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: 0001209191-23-002097 · doc4.xml · derivative · entry 2

Skrovanek Daniel J · CIK 0001915043 · VP, Growth & Innovation

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 80

Underlying: Common Stock · 80 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, 78 DERs accrued with respect to RSUs granted on March 6, 2019, March 3, 2020, January 4, 2021, and January 4, 2022, and 2 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, 78 DERs accrued with respect to RSUs granted on March 6, 2019, March 3, 2020, January 4, 2021, and January 4, 2022, and 2 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, 78 DERs accrued with respect to RSUs granted on March 6, 2019, March 3, 2020, January 4, 2021, and January 4, 2022, and 2 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: 0001209191-23-002092 · doc4.xml · derivative · entry 2

Lucas Stephen G · CIK 0001919175 · VP, Culture and Engagement

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 108

Underlying: Common Stock · 108 shares

Expires not disclosed

F2 · derivative.exercise_price: The dividend equivalent rights ("DERs") accrued with respect to additional time-based restricted stock units ("RSUs") credited to the reporting person with respect to RSUs granted on April 11, 2022. 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 restricted stock units ("RSUs") credited to the reporting person with respect to RSUs granted on April 11, 2022. 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 restricted stock units ("RSUs") credited to the reporting person with respect to RSUs granted on April 11, 2022. Each DER is the economic equivalent of one share of Koppers Holdings Inc. common stock.

SEC source: 0001209191-23-002089 · doc4.xml · derivative · entry 2

Hyde Leslie S · CIK 0001349675 · SVP, Chief Sustainability Offi

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 71

Underlying: Common Stock · 71 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, 57 DERs accrued with respect to RSUs granted on March 6, 2019, March 3, 2020, January 4, 2021, and January 4, 2022, and 14 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, 57 DERs accrued with respect to RSUs granted on March 6, 2019, March 3, 2020, January 4, 2021, and January 4, 2022, and 14 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, 57 DERs accrued with respect to RSUs granted on March 6, 2019, March 3, 2020, January 4, 2021, and January 4, 2022, and 14 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: 0001209191-23-002084 · doc4.xml · derivative · entry 2

Dowd Joseph P · CIK 0001553647 · Global VP, Zero Harm

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 98

Underlying: Common Stock · 98 shares

Expires not disclosed

F3 · 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, 88 DERs accrued with respect to RSUs granted on March 6, 2019, March 3, 2020, January 4, 2021, and January 4, 2022, and 10 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.

F3 · 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, 88 DERs accrued with respect to RSUs granted on March 6, 2019, March 3, 2020, January 4, 2021, and January 4, 2022, and 10 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.

F3 · 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, 88 DERs accrued with respect to RSUs granted on March 6, 2019, March 3, 2020, January 4, 2021, and January 4, 2022, and 10 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: 0001209191-23-002060 · doc4.xml · derivative · entry 2

Washington Kevin · CIK 0001932214 · VP, External Affairs

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 18

Underlying: Common Stock · 18 shares

Expires not disclosed

F2 · derivative.exercise_price: The dividend equivalent rights ("DERs") accrued with respect to additional time-based restricted stock units ("RSUs") credited to the reporting person with respect to RSUs granted on June 13, 2022. 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 restricted stock units ("RSUs") credited to the reporting person with respect to RSUs granted on June 13, 2022. 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 restricted stock units ("RSUs") credited to the reporting person with respect to RSUs granted on June 13, 2022. Each DER is the economic equivalent of one share of Koppers Holdings Inc. common stock.

SEC source: 0001209191-23-004213 · doc5.xml · nonDerivative · entry 4

BALL M LEROY · CIK 0001229771 · Director · President and CEO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 306,296.2224

SEC source: 0001209191-22-060943 · doc4.xml · nonDerivative · entry 1

Skrovanek Daniel J · CIK 0001915043 · VP, Growth & Innovation

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 29,021.3

SEC source: 0001209191-22-060929 · doc4.xml · nonDerivative · entry 1

JENSEN TRACI L · CIK 0001533627 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 21,559.424

SEC source: 0001209191-23-004213 · doc5.xml · nonDerivative · entry 3

BALL M LEROY · CIK 0001229771 · Director · President and CEO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 306,633.2224

SEC source: 0001209191-23-004213 · doc5.xml · nonDerivative · entry 2

BALL M LEROY · CIK 0001229771 · Director · President and CEO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 307,466.2224

SEC source: 0001127602-22-022385 · form4.xml · nonDerivative · entry 1

Skrovanek Daniel J · CIK 0001915043 · VP, Growth & Innovation

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 28,998.825

F1 · balance_after: Includes 418 shares of Koppers Holdings Inc. common stock acquired pursuant to the Koppers Holdings Inc. Employee Stock Purchase Plan on June 30, 2022. These acquisitions were exempt under both Rule 16(b)-3(c) and Rule 16b-3(d).

SEC source: 0001127602-22-022387 · form4.xml · nonDerivative · entry 1

JENSEN TRACI L · CIK 0001533627 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 21,554.407

SEC source: 0001127602-22-017612 · form4.xml · derivative · entry 1

Feng Xudong · CIK 0001463649 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 964.201

Underlying: Common Stock · 964.201 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.

F2 · derivative.exercise_date: The Restricted Stock Units become payable according to the election of payment designation that was filed by the reporting person subject to the Koppers Holdings Inc. Director Deferred Compensation Plan (the "Plan"). Such payment will be either lump sum or in annual installments commencing on the May 31st next following the reporting person's separation from service (as defined under the Plan) or, if later, and elected by the reporting person at the time he/she first elects to defer any payment under the Plan, May 31st of the year specified by the reporting person.

F2 · derivative.expiration_date: The Restricted Stock Units become payable according to the election of payment designation that was filed by the reporting person subject to the Koppers Holdings Inc. Director Deferred Compensation Plan (the "Plan"). Such payment will be either lump sum or in annual installments commencing on the May 31st next following the reporting person's separation from service (as defined under the Plan) or, if later, and elected by the reporting person at the time he/she first elects to defer any payment under the Plan, May 31st of the year specified by the reporting person.

SEC source: 0001127602-22-017550 · form4.xml · nonDerivative · entry 1

Washington Kevin · CIK 0001932214 · VP, External Affairs

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 5,291

F1 · security: The reporting person was awarded time-based restricted stock units on June 13, 2022, which will vest in annual installments of one-third each over three years.

SEC source: 0001127602-22-017547 · form4.xml · nonDerivative · entry 1

JENSEN TRACI L · CIK 0001533627 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 21,547.576

SEC source: 0001127602-22-017543 · form4.xml · nonDerivative · entry 1

Skrovanek Daniel J · CIK 0001915043 · VP, Growth & Innovation

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 28,550.224

F1 · balance_after: Includes 420 shares of Koppers Holdings Inc. common stock acquired pursuant to the Koppers Holdings Inc. Employee Stock Purchase Plan on March 31, 2022. These acquisitions were exempt under both Rule 16b-3(c) and Rule 16b-3(d).

SEC source: 0001209191-23-004213 · doc5.xml · nonDerivative · entry 1

BALL M LEROY · CIK 0001229771 · Director · President and CEO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 308,466.2224

SEC source: 0001127602-22-015448 · form4.xml · nonDerivative · entry 1

Feng Xudong · CIK 0001463649 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 32,840

F1 · price: The price reported in column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $24.28 to $24.49, 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: 0001127602-22-013587 · form4.xml · derivative · entry 1

Feng Xudong · CIK 0001463649 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 4,326

Underlying: Common Stock · 4,326 shares

Expires not disclosed

F1 · derivative.exercise_price: Restricted Stock Units represent the right to receive shares on a one-for-one basis.

F2 · derivative.exercise_date: The Restricted Stock Units become payable according to the election of payment designation that was filed by the reporting person subject to the Koppers Holdings Inc. Director Deferred Compensation Plan (the "Plan"). Such payment will be either lump sum or in annual installments commencing on the May 31st next following the reporting person's separation from service (as defined under the Plan) or, if later, and elected by the reporting person at the time he/she first elects to defer any payment under the Plan, May 31st of the year specified by the reporting person.

F2 · derivative.expiration_date: The Restricted Stock Units become payable according to the election of payment designation that was filed by the reporting person subject to the Koppers Holdings Inc. Director Deferred Compensation Plan (the "Plan"). Such payment will be either lump sum or in annual installments commencing on the May 31st next following the reporting person's separation from service (as defined under the Plan) or, if later, and elected by the reporting person at the time he/she first elects to defer any payment under the Plan, May 31st of the year specified by the reporting person.

SEC source: 0001127602-22-013578 · form4.xml · nonDerivative · entry 1

Tritch Stephen R · CIK 0001463204 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 45,621

F1 · security: The reporting person was awarded time-based restricted stock units.

SEC source: 0001127602-22-013585 · form4.xml · derivative · entry 1

WILKERSON SONJA MICHELLE · CIK 0001245155 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 4,326

Underlying: Common Stock · 4,326 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.

F2 · derivative.exercise_date: The Restricted Stock Units become payable according to the election of payment designation that was filed by the reporting person subject to the Koppers Holdings Inc. Director Deferred Compensation Plan (the "Plan"). Such payment will be either lump sum or in annual installments commencing on the May 31st next following the reporting person's separation from service (as defined under the Plan) or, if later, and elected by the reporting person at the time he/she first elects to defer any payment under the Plan, May 31st of the year specified by the reporting person.

F2 · derivative.expiration_date: The Restricted Stock Units become payable according to the election of payment designation that was filed by the reporting person subject to the Koppers Holdings Inc. Director Deferred Compensation Plan (the "Plan"). Such payment will be either lump sum or in annual installments commencing on the May 31st next following the reporting person's separation from service (as defined under the Plan) or, if later, and elected by the reporting person at the time he/she first elects to defer any payment under the Plan, May 31st of the year specified by the reporting person.

SEC source: 0001127602-22-013574 · form4.xml · nonDerivative · entry 1

NEUPAVER ALBERT J · CIK 0001190210 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 73,340

F1 · security: The reporting person was awarded time-based restricted stock units.

SEC source: 0001127602-22-013583 · form4.xml · derivative · entry 1

MOTLEY DAVID L · CIK 0001584601 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 4,326

Underlying: Common Stock · 4,326 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.

F2 · derivative.exercise_date: The Restricted Stock Units become payable according to the election of payment designation that was filed by the reporting person subject to the Koppers Holdings Inc. Director Deferred Compensation Plan (the "Plan"). Such payment will be either lump sum or in annual installments commencing on the May 31st next following the reporting person's separation from service (as defined under the Plan) or, if later, and elected by the reporting person at the time he/she first elects to defer any payment under the Plan, May 31st of the year specified by the reporting person.

F2 · derivative.expiration_date: The Restricted Stock Units become payable according to the election of payment designation that was filed by the reporting person subject to the Koppers Holdings Inc. Director Deferred Compensation Plan (the "Plan"). Such payment will be either lump sum or in annual installments commencing on the May 31st next following the reporting person's separation from service (as defined under the Plan) or, if later, and elected by the reporting person at the time he/she first elects to defer any payment under the Plan, May 31st of the year specified by the reporting person.

SEC source: 0001127602-22-013581 · form4.xml · nonDerivative · entry 1

TESTONI LOUIS L · CIK 0001576713 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 40,112

F1 · security: The reporting person was awarded time-based restricted stock units.

SEC source: 0001127602-22-013575 · form4.xml · nonDerivative · entry 1

JENSEN TRACI L · CIK 0001533627 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 21,542

F1 · security: The reporting person was awarded time-based restricted stock units.

SEC source: 0001127602-22-011940 · form4.xml · nonDerivative · entry 1

Lucas Stephen G · CIK 0001919175 · VP, Culture and Engagement

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 19,427

F1 · security: The reporting person was awarded time-based restricted stock units on April 11, 2022, which will vest in annual installments of one-third each over three years.

SEC source: 0001209191-22-020272 · doc4.xml · nonDerivative · entry 1

Pearce Bradley A · CIK 0001776180 · Chief Accounting Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 29,631.7059

F1 · price: The price reported in column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $29.44 to $29.48, 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: 0001209191-22-016989 · doc4.xml · derivative · entry 3

Apostolou Stephanie L · CIK 0001806249 · General Counsel & Secretary

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 3,514 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: 0001209191-22-016989 · doc4.xml · nonDerivative · entry 2

Apostolou Stephanie L · CIK 0001806249 · General Counsel & Secretary

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 23,148.8708

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: 0001209191-22-016989 · doc4.xml · nonDerivative · entry 1

Apostolou Stephanie L · CIK 0001806249 · General Counsel & Secretary

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 24,786.8708

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: 0001209191-22-017011 · doc4.xml · derivative · entry 3

Pearce Bradley A · CIK 0001776180 · Chief Accounting Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 2,228 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: 0001209191-22-017011 · doc4.xml · nonDerivative · entry 2

Pearce Bradley A · CIK 0001776180 · Chief Accounting Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 30,631.7059

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: 0001209191-22-017011 · doc4.xml · nonDerivative · entry 1

Pearce Bradley A · CIK 0001776180 · Chief Accounting Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 31,893.7059

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: 0001209191-22-017017 · 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: 0001209191-22-016995 · doc4.xml · derivative · entry 3

BALL M LEROY · CIK 0001229771 · Director · President and CEO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 79,187 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: 0001209191-22-016995 · doc4.xml · nonDerivative · entry 2

BALL M LEROY · CIK 0001229771 · Director · President and CEO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 290,609.2224

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: 0001209191-22-016995 · doc4.xml · nonDerivative · entry 1

BALL M LEROY · CIK 0001229771 · Director · President and CEO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 326,872.2224

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.