<SEC-DOCUMENT>0001181431-14-023662-index.html : 20140624
<SEC-HEADER>0001181431-14-023662.hdr.sgml : 20140624
<ACCEPTANCE-DATETIME>20140611174417
ACCESSION NUMBER:		0001181431-14-023662
CONFORMED SUBMISSION TYPE:	3
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20140611
FILED AS OF DATE:		20140611
DATE AS OF CHANGE:		20140611

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			Trinseo S.A.
		CENTRAL INDEX KEY:			0001519061
		STANDARD INDUSTRIAL CLASSIFICATION:	PLASTICS, MATERIALS, SYNTH RESINS & NONVULCAN ELASTOMERS [2821]
		IRS NUMBER:				000000000

	BUSINESS ADDRESS:	
		STREET 1:		1000 CHESTERBROOK BOULEVARD
		STREET 2:		SUITE 3000
		CITY:			BERWYN
		STATE:			PA
		ZIP:			19312
		BUSINESS PHONE:		610-240-3200

	MAIL ADDRESS:	
		STREET 1:		1000 CHESTERBROOK BOULEVARD
		STREET 2:		SUITE 3000
		CITY:			BERWYN
		STATE:			PA
		ZIP:			19312

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	Bain Capital Everest (Luxco 2) S.a r.l.
		DATE OF NAME CHANGE:	20110426

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			Thomas Stephen F.
		CENTRAL INDEX KEY:			0001606937

	FILING VALUES:
		FORM TYPE:		3
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-36473
		FILM NUMBER:		14905525

	MAIL ADDRESS:	
		STREET 1:		BAIN CAPITAL, LLC
		STREET 2:		590 MADISON AVENUE, 42ND FLOOR
		CITY:			NEW YORK
		STATE:			NY
		ZIP:			10022
</SEC-HEADER>
<DOCUMENT>
<TYPE>3
<SEQUENCE>1
<FILENAME>rrd411392.xml
<DESCRIPTION>FORM 3
<TEXT>
Document 1 - file: rrd411392.html

Document 1 - RAW XML: rrd411392.xml

</DOCUMENT>
</SEC-DOCUMENT>