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<SECRELEASE-DATETIME>		20200730-182708	 ⇐ Metadata from SEC Info (ET)
<SECWEBSITE-DATETIME>		20200730-182705	 ⇐ Metadata from SEC Info (ET)
<ACCEPTANCE-DATETIME>		20200730-182635	 ⇐ Filing accepted by SEC (ET)
<ACCESSION-NUMBER>		0001558370-20-008741
<TYPE>				S-8
<PUBLIC-DOCUMENT-COUNT>		7
<FILING-DATE>			20200730
<DATE-OF-FILING-DATE-CHANGE>	20200730
<EFFECTIVENESS-DATE>		20200730

<FILER>
<COMPANY-DATA>
<CONFORMED-NAME>		Trinseo S.A.
<CIK>				0001519061
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<FISCAL-YEAR-END>		1231
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<BUSINESS-ADDRESS>
<STREET1>			1000 CHESTERBROOK BOULEVARD
<STREET2>			SUITE 3000
<CITY>				BERWYN
<STATE>				PA
<ZIP>				19312
<PHONE>				610-240-3200
</BUSINESS-ADDRESS>
<MAIL-ADDRESS>
<STREET1>			1000 CHESTERBROOK BOULEVARD
<STREET2>			SUITE 3000
<CITY>				BERWYN
<STATE>				PA
<ZIP>				19312
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<FORMER-COMPANY>
<FORMER-CONFORMED-NAME>		Bain Capital Everest (Luxco 2) S.a r.l.
<DATE-CHANGED>			20110426
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<DOCUMENT>
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<DESCRIPTION>	EX-4.2
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<DESCRIPTION>	EX-5.1
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<DOCUMENT>
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