TRINSEO PLC

Ticker: TSE CUSIP: G9059U107 Class: Foreign Stock

ALLIANCEBERNSTEIN L.P.'s Holding History (CIK: 0001109448)

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

Q1 2024

Shares 32,530 Value ($000) $123 Avg Close $5.24 Range $3.17 - $8.41

Q4 2023

Shares 37,080 Value ($000) $310 Avg Close $6.56 Range $5.38 - $8.66

Q3 2023

Shares 37,680 Value ($000) $308 Avg Close $12.43 Range $7.28 - $18.26

Q2 2023

Shares 44,785 Value ($000) $567 Avg Close $15.81 Range $11.55 - $22.20

Q1 2023

Shares 48,935 Value ($000) $1,020 Avg Close $23.79 Range $18.35 - $29.70

Q4 2022

Shares 54,096 Value ($000) $1,229 Avg Close $21.14 Range $16.83 - $27.03

Q3 2022

Shares 57,650 Value ($000) $1,056 Avg Close $29.54 Range $16.88 - $41.53

Q2 2022

Shares 57,630 Value ($000) $2,216 Avg Close $42.39 Range $33.48 - $50.48

Q1 2022

Shares 138,412 Value ($000) $6,633 Avg Close $48.83 Range $40.20 - $55.53

Q4 2021

Shares 1,727,119 Value ($000) $90,605 Avg Close $50.07 Range $42.66 - $56.98

Period	Shares	Value ($000)	Average Close	Price Range
Q1 2024	32,530	$123	$5.24	$3.17 - $8.41
Q4 2023	37,080	$310	$6.56	$5.38 - $8.66
Q3 2023	37,680	$308	$12.43	$7.28 - $18.26
Q2 2023	44,785	$567	$15.81	$11.55 - $22.20
Q1 2023	48,935	$1,020	$23.79	$18.35 - $29.70
Q4 2022	54,096	$1,229	$21.14	$16.83 - $27.03
Q3 2022	57,650	$1,056	$29.54	$16.88 - $41.53
Q2 2022	57,630	$2,216	$42.39	$33.48 - $50.48
Q1 2022	138,412	$6,633	$48.83	$40.20 - $55.53
Q4 2021	1,727,119	$90,605	$50.07	$42.66 - $56.98