Type	Name	Date
Indenture	Indenture among Trinseo Materials Operating S.C.A., Trinseo Materials Finance, Inc. and The Bank of New York Mellon, as Trustee	03/24/2021
Credit agreement	Credit Agreement among Trinseo Materials Operating S.C.A., Trinseo Materials Finance, Inc. together with Trinseo Holdings S.à r.l., and Trinseo Materials S.à r.l. Deutsche Bank AG New York Branch, as administrative agent, collateral agent L/C issuer and swing line lender, Citigroup Global Markets Inc., as syndication agent, and the lenders from time to time party thereto	09/07/2017
Indenture	Indenture among Trinseo Materials Operating S.C.A., Trinseo Materials Finance, Inc. and The Bank of New York Mellon, as Trustee	09/05/2017

Type	Name	Date
Separation agreement	Separation Agreement between Timothy Stedman and Trinseo Europe GmbH	04/15/2020
Separation agreement	Separation Agreement between Hayati Yarkadas and Trinseo Europe GmbH	10/03/2019
Employment agreement	Employment Agreement between Trinseo LLC and David Stasse	04/30/2019
Employment agreement	Employment Agreement between Trinseo LLC and Frank A. Bozich	01/30/2019
Employment agreement	Amendment to Employment Agreement between Trinseo US Holding, Inc., Trinseo S.A. and Christopher D. Pappas	12/21/2018
Employment agreement	Amended and Restated Employment Agreement between Trinseo US Holding, Inc. and Christopher D. Pappas	12/28/2017
Employment agreement	Employment Agreement between Trinseo LLC and Barry Niziolek	05/23/2016

Type	Name	Date
Acquisition / asset purchase agreement	Share Purchase Agreement, by and between Trinseo S.A. and Arkema S.A.	03/22/2021