Trinseo PLC — Director's Dealing 2023

Mar 13, 2023

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: Trinseo PLC (TSE)
CIK: 0001519061
Period of Report: 2023-03-09

Reporting Person: Stasse David Phillip (EVP and CFO)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2023-03-09	Ordinary Shares	A	8568	—	Acquired	92907	Direct
2023-03-09	Ordinary Shares	F	2355	$22.20	Disposed	90552	Direct

Footnotes

F1: Represents ordinary shares earned upon meeting the applicable performance criteria of performance-vesting restricted stock units.

F2: Shares withheld by the Company to pay taxes due following the vesting of performance-vesting restricted stock units.