Kevin Washington

Date	Company	Security	Transaction	Code	Indirect	10b5-1	$Price	#Shares	$Value	#Remaining
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
10 Jun 24	KOP Koppers	Dividend Equivalent Rights Common Stock	Grant	Acquire A	No	No	0	5	0.00	51
6 Mar 24	KOP Koppers	Common Stock	Sell	Dispose S	No	No	53.12	310	16.47 k	6,404
6 Mar 24	KOP Koppers	Common Stock	Sell	Dispose S	No	No	52.54	843	44.29 k	6,714
6 Mar 24	KOP Koppers	Common Stock	Sell	Dispose S	No	No	51.84	170	8.81 k	7,557
5 Jan 24	KOP Koppers	Common Stock	Payment of exercise	Dispose F	No	No	47.32	332	15.71 k	7,727
5 Jan 24	KOP Koppers	Common Stock	Option exercise	Acquire M	No	No	0	4	0.00	8,059
5 Jan 24	KOP Koppers	Dividend Equivalent Rights Common Stock	Option exercise	Dispose M	No	No	0	4	0.00	46

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