Stasse David Phillip

Date	Company	Security	Transaction	Code	Indirect	10b5-1	$Price	#Shares	$Value	#Remaining
21 Feb 24	TSE Trinseo	Ordinary Shares	Grant	Acquire A	No	No	0	60,013	0.00	164,511
21 Feb 24	TSE Trinseo	Option to Purchase Ordinary Shares Ordinary Shares	Grant	Acquire A	No	No	4.4	105,657	464.89 k	105,657
19 Feb 24	TSE Trinseo	Ordinary Shares	Payment of exercise	Dispose F	No	No	4.78	202	965.56	104,498
19 Feb 24	TSE Trinseo	Ordinary Shares	Grant	Acquire A	No	No	0	614	0.00	104,700
17 Feb 24	TSE Trinseo	Ordinary Shares	Payment of exercise	Dispose F	No	No	4.78	1,466	7.01 k	104,086
14 Sep 23	TSE Trinseo	Ordinary Shares	Buy	Acquire P	No	No	8.89	15,000	133.35 k	105,552

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