TRINSEO PLC

Ticker: TSE CUSIP: G9059U107 Class: Foreign Stock

Rockefeller Capital Management L.P.'s Holding History (CIK: 0001739439)

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

Q4 2025

Shares 160 Value ($000) $0 Avg Close $1.19 Range $0.45 - $2.41

Q3 2025

Shares 160 Value ($000) $0 Avg Close $2.60 Range $1.90 - $3.32

Q4 2022

Shares 269 Value ($000) $0 Avg Close $21.14 Range $16.83 - $27.03

Q3 2022

Shares 267 Value ($000) $4 Avg Close $29.54 Range $16.88 - $41.53

Q2 2022

Shares 598 Value ($000) $23 Avg Close $42.39 Range $33.48 - $50.48

Q1 2022

Shares 489 Value ($000) $23 Avg Close $48.83 Range $40.20 - $55.53

Q4 2021

Shares 420 Value ($000) $22 Avg Close $50.07 Range $42.66 - $56.98

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	160	$0	$1.19	$0.45 - $2.41
Q3 2025	160	$0	$2.60	$1.90 - $3.32
Q4 2022	269	$0	$21.14	$16.83 - $27.03
Q3 2022	267	$4	$29.54	$16.88 - $41.53
Q2 2022	598	$23	$42.39	$33.48 - $50.48
Q1 2022	489	$23	$48.83	$40.20 - $55.53
Q4 2021	420	$22	$50.07	$42.66 - $56.98