James A. Sullivan

Date	Company	Security	Transaction	Code	Indirect	10b5-1	$Price	#Shares	$Value	#Remaining
5 Mar 24	KOP Koppers	Common Stock	Sell	Dispose S	No	No	54.01	400	21.60 k	111,191.738
5 Mar 24	KOP Koppers	Common Stock	Sell	Dispose S	No	No	53.39	4,614	246.34 k	111,591.738
5 Mar 24	KOP Koppers	Common Stock	Sell	Dispose S	No	No	52.91	765	40.48 k	116,205.738
5 Mar 24	KOP Koppers	Common Stock	Option exercise	Acquire M	No	No	32.19	5,779	186.03 k	116,970.738
5 Mar 24	KOP Koppers	Common Stock	Sell	Dispose S	No	No	54.04	500	27.02 k	111,191.738
5 Mar 24	KOP Koppers	Common Stock	Sell	Dispose S	No	No	53.45	8,367	447.22 k	111,691.738
5 Mar 24	KOP Koppers	Common Stock	Sell	Dispose S	No	No	52.93	1,245	65.90 k	120,058.738
5 Mar 24	KOP Koppers	Common Stock	Option exercise	Acquire M	No	No	29.84	10,112	301.74 k	121,303.738
5 Mar 24	KOP Koppers	Common Stock	Sell	Dispose S	No	No	54.01	300	16.20 k	111,191.738
5 Mar 24	KOP Koppers	Common Stock	Sell	Dispose S	No	No	53.46	5,829	311.62 k	111,491.738

Data from 3, 4 and 5 filings. Values as filed, not updated for current price.