Exhibit 10.4

 

 

Picture 2 [tse20180630ex104a6e709001.jpg]

Trinseo S.A.

 

June 18, 2018

Mr. Angelo Chaclas

Subject:  Definition of Retirement for Equity Awards under 2014 Omnibus
Incentive Plan

Dear Angelo:

This letter confirms the following definition of "Retirement" is applicable to
all equity (Restricted Stock Units, Stock Options, Performance Award Stock
Units) granted to you under Trinseo's 2014 Omnibus Incentive Plan in the event
of an involuntary termination:

"Retirement" means a retirement from active Employment after the Optionee (in
the case of Stock Options) or Grantee (in the case of Restricted Stock Units or
Performance Award Stock Units) has attained age fifty-five (55) with at least
eight (8) years  of continuous service with the Company.

**

Trinseo S.A.

 

 

 

 

 

By:

/s/ Christopher D. Pappas

 

 

 

 

Name:  Christopher D. Pappas

 

Title:  Chief Executive Officer and President

 

 

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