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Filing Details

Issuer

Cik	Name	Symbol	Sector (SIC)	IRS No
1315257	Koppers Holdings Inc.	KOP	Lumber & Wood Products (No Furniture) (2400)	201878963

Insiders

Cik	Name	Reported Address	Insider Title	Director	Officer	Large Shareholder	Other
1553647	P Joseph Dowd	436 Seventh Avenue Pittsburgh PA 15219	Vp, Zero Harm	No	No	No	No

Reported Non-Derivative Transactions

Sec. Name	Acquisiton - Disposition	Date	Amount	Price	Remaning Holdings	Equity Swap Involved	Form Type	Code	Nature of Ownership	Explanation
Common Stock	Acquisiton	2023-11-17	5,250	$37.93	42,992	No	4	M	Direct
Common Stock	Disposition	2023-11-17	5,250	$42.46	37,742	No	4	S	Direct

Equity Swap Involved	Form Type	Code	Nature of Ownership	Explanation
No	4	M	Direct
No	4	S	Direct

Reported Derivative Transactions

Sec. Name	Sec. Type	Acquisiton - Disposition	Date	Amount	Price	Amount - 2	Price - 2
Common Stock	Employee Stock Options (Rights to Buy)	Disposition	2023-11-17	5,250	$0.00	5,250	$37.93

Remaning Holdings	Exercise Date	Expiration Date	Equity Swap Involved	Transaction Form Type	Transaction Code	Nature of Ownership
0	2017-02-18	2024-02-18	No	4	M	Direct

Footnotes

Includes 54 shares of Koppers Holdings Inc. common stock acquired pursuant to the Koppers Holdings Inc. Employee Stock Purchase Plan on June 30, 2023 and September 30, 2023. These acquisitions were exempt under both Rule 16b-3(c) and Rule 16b-3(d).
The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $42.14 to $42.89, 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.