Trinseo PLC — Director's Dealing 2024

Feb 21, 2024

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: Trinseo PLC (TSE)
CIK: 0001519061
Period of Report: 2024-02-17

Reporting Person: Thomas Timothy J (N/A)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2024-02-17	Ordinary Shares	F	326	$4.78	Disposed	17619	Direct
2024-02-19	Ordinary Shares	A	177	—	Acquired	17796	Direct
2024-02-19	Ordinary Shares	F	59	$4.78	Disposed	17737	Direct

Footnotes

F1: Shares withheld by the Company to pay taxes due following the vesting of previously granted restricted stock units.

F2: Represents ordinary shares earned upon meeting the applicable performance criteria of performance-vesting restricted stock units.