TRINSEO PLC

Ticker: TSE CUSIP: G9059U107 Class: Foreign Stock

Owl Creek Asset Management, L.P.'s Holding History (CIK: 0001313756)

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

Q4 2025

Shares 1,669,952 Value ($000) $830 Avg Close $1.19 Range $0.45 - $2.41

Q3 2025

Shares 1,669,952 Value ($000) $3,924 Avg Close $2.60 Range $1.90 - $3.32

Q2 2025

Shares 1,669,952 Value ($000) $5,210 Avg Close $3.28 Range $2.33 - $4.41

Q1 2025

Shares 382,098 Value ($000) $1,406 Avg Close $4.52 Range $3.49 - $5.95

Q4 2024

Shares 382,098 Value ($000) $1,949 Avg Close $4.89 Range $3.12 - $6.98

Q3 2024

Shares 212,121 Value ($000) $1,084 Avg Close $3.30 Range $1.91 - $5.97

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	1,669,952	$830	$1.19	$0.45 - $2.41
Q3 2025	1,669,952	$3,924	$2.60	$1.90 - $3.32
Q2 2025	1,669,952	$5,210	$3.28	$2.33 - $4.41
Q1 2025	382,098	$1,406	$4.52	$3.49 - $5.95
Q4 2024	382,098	$1,949	$4.89	$3.12 - $6.98
Q3 2024	212,121	$1,084	$3.30	$1.91 - $5.97