Kevin Washington

Date	Company	Security	Transaction	Code	Indirect	10b5-1	$Price	#Shares	$Value	#Remaining
3 Jan 25	KOP Koppers	Common Stock	Payment of exercise	Dispose F	No	No	31.72	582	18.46 k	8,736
3 Jan 25	KOP Koppers	Common Stock	Option exercise	Acquire M	No	No	0	11	0.00	9,318
3 Jan 25	KOP Koppers	Common Stock	Grant	Acquire A	No	No	0	3,712	0.00	9,307
3 Jan 25	KOP Koppers	Dividend Equivalent Rights Common Stock	Option exercise	Dispose M	No	No	0	11	0.00	56
3 Jan 25	KOP Koppers	Dividend Equivalent Rights Common Stock	Grant	Acquire A	No	No	0	5	0.00	67
3 Jan 25	KOP Koppers	RSU Common Stock	Grant	Acquire A	No	No	0	480	0.00	1,172
16 Dec 24	KOP Koppers	Dividend Equivalent Rights Common Stock	Grant	Acquire A	No	No	0	33	0.00	62
13 Jun 24	KOP Koppers	Common Stock	Payment of exercise	Dispose F	No	No	40.27	831	33.46 k	5,595
13 Jun 24	KOP Koppers	Common Stock	Option exercise	Acquire M	No	No	0	22	0.00	6,426
13 Jun 24	KOP Koppers	Dividend Equivalent Rights Common Stock	Option exercise	Dispose M	No	No	0	22	0.00	29

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