Trinseo PLC — Director's Dealing 2017

Feb 21, 2017

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: Trinseo S.A. (TSE)
CIK: 0001519061
Period of Report: 2017-02-16

Reporting Person: Stasse David Phillip (See Remarks)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2017-02-16	Ordinary Shares	A	2554	—	Acquired	27678	Direct

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2017-02-16	Option to Purchase Ordinary Shares	$71.45	A	3794	Acquired	2026-02-16	Ordinary Shares (3794)	Direct

Footnotes

F1: Represents ordinary shares issuable pursuant to a restricted stock unit award that will vest in full on the third anniversary of the grant date.

F2: The option vests in three equal annual installments beginning on the first anniversary of the grant date.