Trinseo PLC — Director's Dealing 2022

Feb 4, 2022

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: Trinseo PLC (TSE)
CIK: 0001519061
Period of Report: 2022-02-02

Reporting Person: BOZICH FRANK A (Director, CEO and President)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2022-02-02	Ordinary Shares	M	20957	$24.30	Acquired	135353	Direct
2022-02-02	Ordinary Shares	S	20957	$53.89	Disposed	114396	Direct

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2022-02-02	Option to Purchase Ordinary Shares	$24.30	M	20957	Disposed	2029-02-25	Ordinary Shares (20957)	Direct

Footnotes

F1: A portion of the proceeds from the sale were used to pay the exercise price of stock options pursuant to a broker-assisted cashless exercise, and applicable withholding taxes. The exercise and sale were made pursuant to a preexisting 10b5-1 plan executed in May 2021.

F2: Price reflects the weighted average sale price for the sale transactions made on the date reported above. Sale prices ranged from $53.29 to $55.02. The reporting person will provide, upon request by the Staff, the Company, or a security holder of the Company, full information regarding the number of shares purchased or sold at each separate price.

F3: The option vests in three equal annual installments beginning on the first anniversary of the grant date.