TRINSEO PLC

Ticker: TSE CUSIP: G9059U107 Class: Foreign Stock

Boston Partners's Holding History (CIK: 0001386060)

Note: Option positions (PUT/CALL) are excluded.

Q3 2022

Shares 676,254 Value ($000) $12,394 Avg Close $29.54 Range $16.88 - $41.53

Q2 2022

Shares 716,842 Value ($000) $27,559 Avg Close $42.39 Range $33.48 - $50.48

Q1 2022

Shares 743,704 Value ($000) $35,631 Avg Close $48.83 Range $40.20 - $55.53

Q4 2021

Shares 767,907 Value ($000) $40,301 Avg Close $50.07 Range $42.66 - $56.98

Period	Shares	Value ($000)	Average Close	Price Range
Q3 2022	676,254	$12,394	$29.54	$16.88 - $41.53
Q2 2022	716,842	$27,559	$42.39	$33.48 - $50.48
Q1 2022	743,704	$35,631	$48.83	$40.20 - $55.53
Q4 2021	767,907	$40,301	$50.07	$42.66 - $56.98