<?xml version='1.0' encoding='UTF-8'?>

      <!-- iXBRL document created with: Toppan Merrill Bridge iXBRL 9.5.7293.39921 -->
      <!-- Based on: iXBRL 1.1 -->
      <!-- Created on: 4/1/2020 12:44:50 PM -->
      <!-- iXBRL Library version: 1.0.7293.39928 -->
      <!-- iXBRL Service Job ID: aa25a722-6aee-4f28-a0f4-32fcf58de8b3 -->

  <html xmlns:dei="http://xbrl.sec.gov/dei/2019-01-31" xmlns="http://www.w3.org/1999/xhtml" xmlns:tse="http://trinseo.com/20200331" xmlns:link="http://www.xbrl.org/2003/linkbase" xmlns:xlink="http://www.w3.org/1999/xlink" xmlns:xbrldt="http://xbrl.org/2005/xbrldt" xmlns:xs="http://www.w3.org/2001/XMLSchema-instance" xmlns:ixt-sec="http://www.sec.gov/inlineXBRL/transformation/2015-08-31" xmlns:ixt="http://www.xbrl.org/inlineXBRL/transformation/2015-02-26" xmlns:ix="http://www.xbrl.org/2013/inlineXBRL" xmlns:ref="http://www.xbrl.org/2006/ref" xmlns:xbrli="http://www.xbrl.org/2003/instance"><head><meta http-equiv="content-type" content="text/html" /><title></title></head><body><div style="margin-top:30pt;"></div><div style="display:none;"><ix:header><ix:hidden><ix:nonNumeric contextRef="Duration_3_31_2020_To_3_31_2020_IIOdE6K860uAl7ByC_Szxw" name="dei:EntityCentralIndexKey" id="Tc_nvNpdDz4TEKdAggFDr8dnw_2_1">0001519061</ix:nonNumeric><ix:nonNumeric contextRef="Duration_3_31_2020_To_3_31_2020_IIOdE6K860uAl7ByC_Szxw" name="dei:AmendmentFlag" id="Tc_DdsqCX2Dq0y1wDgSB_LeoQ_3_1">false</ix:nonNumeric><ix:nonNumeric contextRef="Duration_3_31_2020_To_3_31_2020_IIOdE6K860uAl7ByC_Szxw" name="dei:EntityTaxIdentificationNumber" id="Tc_wKc0fblkDUWPmNTku-pFww_1_4">00-0000000</ix:nonNumeric></ix:hidden><ix:references><link:schemaRef xlink:href="tse-20200331.xsd" xlink:type="simple"></link:schemaRef></ix:references><ix:resources><xbrli:context id="Duration_3_31_2020_To_3_31_2020_IIOdE6K860uAl7ByC_Szxw"><xbrli:entity><xbrli:identifier scheme="http://www.sec.gov/CIK">0001519061</xbrli:identifier></xbrli:entity><xbrli:period><xbrli:startDate>2020-03-31</xbrli:startDate><xbrli:endDate>2020-03-31</xbrli:endDate></xbrli:period></xbrli:context></ix:resources></ix:header></div><div style="max-width:100%;padding-left:5.88%;padding-right:5.88%;position:relative;"><div style="clear:both;max-width:100%;position:relative;min-height:11.5pt;"><p style="background-color:#ffffff;font-family:'Times New Roman';font-size:10pt;line-height:1.19;padding-bottom:1pt;padding-top:1pt;border-bottom:1.0pt solid #000000;border-top:3.0pt solid #000000;margin:0pt;"><span style="font-size:1pt;visibility:hidden;">&#8203;</span></p><p style="background-color:#ffffff;font-family:'Times New Roman';font-size:10pt;line-height:1.19;text-align:center;margin:0pt;"><span style="font-weight:bold;visibility:hidden;">&#8203;</span></p><a id="_31f65fb0_ecc1_4aee_a168_302ebe9fbf56"></a><p style="background-color:#ffffff;font-family:'Times New Roman';font-size:10pt;line-height:1.19;text-align:center;margin:0pt;"><b style="font-size:18pt;font-weight:bold;">UNITED STATES</b></p><p style="background-color:#ffffff;font-family:'Times New Roman';font-size:10pt;line-height:1.19;text-align:center;margin:0pt;"><b style="font-size:18pt;font-weight:bold;">SECURITIES AND EXCHANGE COMMISSION</b></p><p style="background-color:#ffffff;font-family:'Times New Roman';font-size:10pt;line-height:1.19;text-align:center;margin:0pt;"><b style="font-weight:bold;">Washington, D.C. 20549</b></p><p style="background-color:#ffffff;font-family:'Times New Roman';font-size:10pt;line-height:1.19;margin:0pt;"><span style="font-size:8pt;visibility:hidden;">&#8203;</span></p><div style="background-color:#ffffff;font-family:'Times New Roman';font-size:10.0pt;margin-bottom:0pt;min-height:1.19em;position:relative;width:100%;"><div style="background-color:#000000;height:1pt;position:relative;top:0.6em;width:25.0%;border:none;margin:0 auto;"></div></div><p style="background-color:#ffffff;font-family:'Times New Roman';font-size:18pt;line-height:1.19;text-align:center;margin:0pt;"><b style="font-weight:bold;">FORM&#160;</b><ix:nonNumeric contextRef="Duration_3_31_2020_To_3_31_2020_IIOdE6K860uAl7ByC_Szxw" name="dei:DocumentType" id="Narr_h5JhLlClhU6LUmZeNZaqiQ"><b style="font-weight:bold;">8-K</b></ix:nonNumeric></p><div style="background-color:#ffffff;font-family:'Times New Roman';font-size:10.0pt;margin-bottom:0pt;min-height:1.19em;position:relative;width:100%;"><div style="background-color:#000000;height:1pt;position:relative;top:0.6em;width:25.0%;border:none;margin:0 auto;"></div></div><p style="background-color:#ffffff;font-family:'Times New Roman';font-size:10pt;line-height:1.19;margin:0pt;"><span style="font-size:8pt;visibility:hidden;">&#8203;</span></p><p style="background-color:#ffffff;font-family:'Times New Roman';font-size:10pt;line-height:1.19;text-align:center;margin:0pt;"><b style="font-size:12pt;font-weight:bold;">CURRENT REPORT</b></p><p style="background-color:#ffffff;font-family:'Times New Roman';font-size:10pt;line-height:1.19;text-align:center;margin:0pt;"><b style="font-size:12pt;font-weight:bold;">Pursuant to Section&#160;13 or 15(d)</b></p><p style="background-color:#ffffff;font-family:'Times New Roman';font-size:10pt;line-height:1.19;text-align:center;margin:0pt;"><b style="font-size:12pt;font-weight:bold;">of The Securities Exchange Act of 1934</b></p><p style="background-color:#ffffff;font-family:'Times New Roman';font-size:10pt;line-height:1.19;margin:0pt;"><span style="background-color:#ffff00;font-size:8pt;visibility:hidden;">&#8203;</span></p><p style="background-color:#ffffff;font-family:'Times New Roman';font-size:10pt;line-height:1.19;text-align:center;margin:0pt;">Date of Report (Date of earliest event reported):<b style="font-weight:bold;"> </b><ix:nonNumeric contextRef="Duration_3_31_2020_To_3_31_2020_IIOdE6K860uAl7ByC_Szxw" format="ixt:datemonthdayyearen" name="dei:DocumentPeriodEndDate" id="Narr_Q46JGi1Xi0uzbF7CNNmxww"><b style="font-weight:bold;">March 31, 2020</b></ix:nonNumeric></p><p style="background-color:#ffffff;font-family:'Times New Roman';font-size:10pt;line-height:1.19;margin:0pt;"><span style="font-size:8pt;visibility:hidden;">&#8203;</span></p><div style="background-color:#ffffff;font-family:'Times New Roman';font-size:10.0pt;margin-bottom:0pt;min-height:1.19em;position:relative;width:100%;"><div style="background-color:#000000;height:1pt;position:relative;top:0.6em;width:25.0%;border:none;margin:0 auto;"></div></div><p style="background-color:#ffffff;font-family:'Times New Roman';font-size:18pt;line-height:1.19;text-align:center;margin:0pt;"><ix:nonNumeric contextRef="Duration_3_31_2020_To_3_31_2020_IIOdE6K860uAl7ByC_Szxw" name="dei:EntityRegistrantName" id="Narr_qXn1V6gUu0ug52Z3esuBUA"><b style="font-weight:bold;">Trinseo S.A.</b></ix:nonNumeric></p><p style="background-color:#ffffff;font-family:'Times New Roman';font-size:10pt;line-height:1.19;text-align:center;margin:0pt;">(Exact name of registrant as specified in its charter)</p><div style="background-color:#ffffff;font-family:'Times New Roman';font-size:10.0pt;margin-bottom:0pt;min-height:1.19em;position:relative;width:100%;"><div style="background-color:#000000;height:1pt;position:relative;top:0.6em;width:25.0%;border:none;margin:0 auto;"></div></div><p style="background-color:#ffffff;font-family:'Times New Roman';font-size:10pt;line-height:1.19;margin:0pt;"><span style="font-size:8pt;visibility:hidden;">&#8203;</span></p><a id="_c7076d27_0600_49a5_956e_97b2dcb62696"></a><a id="Tc_rsCBiAyfD0yN16SFIlpPzg_2_0"></a><a id="Tc_YT0xPy8lrEqwjKt2uk8aXQ_2_2"></a><a id="Tc_jzaNpja05k2FebarxS3lnA_2_4"></a><table style="border-collapse:collapse;font-size:16pt;margin-left:auto;margin-right:auto;padding-left:0pt;padding-right:0pt;width:100%;"><tr style="height:1pt;"><td style="vertical-align:top;width:32%;margin:0pt;padding:0pt;"><div style="height:1pt;overflow:hidden;overflow-wrap:break-word;position:relative;"><div style="position:absolute;top:0pt;width:100%;"><p style="font-family:'Times New Roman';font-size:10pt;line-height:1.19;margin:0pt;"><span style="font-size:1pt;visibility:hidden;">&#8203;</span></p></div></div></td><td style="vertical-align:bottom;width:2%;margin:0pt;padding:0pt;"><div style="height:1pt;overflow:hidden;overflow-wrap:break-word;position:relative;"><div style="bottom:0pt;position:absolute;width:100%;"><p style="font-family:'Times New Roman';font-size:10pt;line-height:1.19;margin:0pt;"><span style="font-size:1pt;visibility:hidden;">&#8203;</span></p></div></div></td><td style="vertical-align:top;width:32%;margin:0pt;padding:0pt;"><div style="height:1pt;overflow:hidden;overflow-wrap:break-word;position:relative;"><div style="position:absolute;top:0pt;width:100%;"><p style="font-family:'Times New Roman';font-size:10pt;line-height:1.19;margin:0pt;"><span style="font-size:1pt;visibility:hidden;">&#8203;</span></p></div></div></td><td style="vertical-align:bottom;width:2%;margin:0pt;padding:0pt;"><div style="height:1pt;overflow:hidden;overflow-wrap:break-word;position:relative;"><div style="bottom:0pt;position:absolute;width:100%;"><p style="font-family:'Times New Roman';font-size:10pt;line-height:1.19;margin:0pt;"><span style="font-size:1pt;visibility:hidden;">&#8203;</span></p></div></div></td><td style="vertical-align:top;width:32%;margin:0pt;padding:0pt;"><div style="height:1pt;overflow:hidden;overflow-wrap:break-word;position:relative;"><div style="position:absolute;top:0pt;width:100%;"><p style="font-family:'Times New Roman';font-size:10pt;line-height:1.19;margin:0pt;"><span style="font-size:1pt;visibility:hidden;">&#8203;</span></p></div></div></td></tr><tr><td style="vertical-align:top;width:32%;margin:0pt;padding:0pt;"><p style="background-color:#ffffff;font-family:'Times New Roman';font-size:10pt;line-height:1.19;text-align:center;margin:0pt;"><ix:nonNumeric contextRef="Duration_3_31_2020_To_3_31_2020_IIOdE6K860uAl7ByC_Szxw" format="ixt-sec:edgarprovcountryen" name="dei:EntityIncorporationStateCountryCode" id="Tc_kxaWMiEIYEag6xzHYhSdAQ_1_0"><b style="font-weight:bold;">Luxembourg</b></ix:nonNumeric></p></td><td style="vertical-align:bottom;width:2%;margin:0pt;padding:0pt;"><p style="background-color:#ffffff;font-family:'Times New Roman';font-size:10pt;line-height:1.19;margin:0pt;"><span style="visibility:hidden;">&#8203;</span></p></td><td style="vertical-align:top;width:32%;margin:0pt;padding:0pt;"><p style="background-color:#ffffff;font-family:'Times New Roman';font-size:10pt;line-height:1.19;text-align:center;margin:0pt;"><ix:nonNumeric contextRef="Duration_3_31_2020_To_3_31_2020_IIOdE6K860uAl7ByC_Szxw" name="dei:EntityFileNumber" id="Tc_t9UQIDwbtE2BylDLRCT33Q_1_2"><b style="font-weight:bold;">001-36473</b></ix:nonNumeric></p></td><td style="vertical-align:bottom;width:2%;margin:0pt;padding:0pt;"><p style="background-color:#ffffff;font-family:'Times New Roman';font-size:10pt;line-height:1.19;margin:0pt;"><span style="visibility:hidden;">&#8203;</span></p></td><td style="vertical-align:top;width:32%;margin:0pt;padding:0pt;"><p style="background-color:#ffffff;font-family:'Times New Roman';font-size:10pt;line-height:1.19;text-align:center;margin:0pt;"><span style="-sec-ix-hidden:Tc_wKc0fblkDUWPmNTku-pFww_1_4"><b style="color:#000000;font-family:'Times New Roman';font-size:10pt;font-style:normal;font-weight:bold;line-height:1.19;text-align:center;">N/A</b></span></p></td></tr><tr><td style="vertical-align:top;width:32%;margin:0pt;padding:0pt;"><p style="background-color:#ffffff;font-family:'Times New Roman';font-size:10pt;line-height:1.19;text-align:center;margin:0pt;">(State or other jurisdiction<br />of incorporation or organization)</p></td><td style="vertical-align:bottom;width:2%;margin:0pt;padding:0pt;"><p style="background-color:#ffffff;font-family:'Times New Roman';font-size:10pt;line-height:1.19;margin:0pt;"><span style="visibility:hidden;">&#8203;</span></p></td><td style="vertical-align:top;width:32%;margin:0pt;padding:0pt;"><p style="background-color:#ffffff;font-family:'Times New Roman';font-size:10pt;line-height:1.19;text-align:center;margin:0pt;">(Commission<br />File Number)</p></td><td style="vertical-align:bottom;width:2%;margin:0pt;padding:0pt;"><p style="background-color:#ffffff;font-family:'Times New Roman';font-size:10pt;line-height:1.19;margin:0pt;"><span style="visibility:hidden;">&#8203;</span></p></td><td style="vertical-align:top;width:32%;margin:0pt;padding:0pt;"><p style="background-color:#ffffff;font-family:'Times New Roman';font-size:10pt;line-height:1.19;text-align:center;margin:0pt;">(I.R.S. Employer<br />Identification Number)</p></td></tr></table><p style="font-family:'Times New Roman';font-size:10pt;line-height:1.19;margin:0pt;"><span style="visibility:hidden;">&#8203;</span></p><p style="background-color:#ffffff;font-family:'Times New Roman';font-size:10pt;line-height:1.19;text-align:center;margin:0pt;"><ix:nonNumeric contextRef="Duration_3_31_2020_To_3_31_2020_IIOdE6K860uAl7ByC_Szxw" name="dei:EntityAddressAddressLine1" id="Narr_mlLC-bpvk0OsEAprYcdprA"><b style="font-weight:bold;">1000 Chesterbrook Boulevard</b></ix:nonNumeric><b style="font-weight:bold;">, </b><ix:nonNumeric contextRef="Duration_3_31_2020_To_3_31_2020_IIOdE6K860uAl7ByC_Szxw" name="dei:EntityAddressAddressLine2" id="Narr_5nlzZQrEt0GQKIoM80zSag"><b style="font-weight:bold;">Suite&#160;300</b></ix:nonNumeric><b style="font-weight:bold;">,</b></p><p style="background-color:#ffffff;font-family:'Times New Roman';font-size:10pt;line-height:1.19;text-align:center;margin:0pt;"><ix:nonNumeric contextRef="Duration_3_31_2020_To_3_31_2020_IIOdE6K860uAl7ByC_Szxw" name="dei:EntityAddressCityOrTown" id="Narr_fuFOiEp3jkyLrTbNTql5oQ"><b style="font-weight:bold;">Berwyn</b></ix:nonNumeric><b style="font-weight:bold;">, </b><ix:nonNumeric contextRef="Duration_3_31_2020_To_3_31_2020_IIOdE6K860uAl7ByC_Szxw" format="ixt-sec:stateprovnameen" name="dei:EntityAddressStateOrProvince" id="Narr_brOj8JbxtEOjOviyZVmpKw"><b style="font-weight:bold;">Pennsylvania</b></ix:nonNumeric><b style="font-weight:bold;"> </b><ix:nonNumeric contextRef="Duration_3_31_2020_To_3_31_2020_IIOdE6K860uAl7ByC_Szxw" name="dei:EntityAddressPostalZipCode" id="Narr_dSgpeEnJNEaVI4j66LSV9w"><b style="font-weight:bold;">19312</b></ix:nonNumeric></p><p style="background-color:#ffffff;font-family:'Times New Roman';font-size:10pt;line-height:1.19;text-align:center;margin:0pt;">(Address of principal executive offices, including zip code)</p><p style="background-color:#ffffff;font-family:'Times New Roman';font-size:10pt;line-height:1.19;margin:0pt;"><span style="visibility:hidden;">&#8203;</span></p><p style="background-color:#ffffff;font-family:'Times New Roman';font-size:10pt;line-height:1.19;text-align:center;margin:0pt;"><b style="font-weight:bold;">(</b><ix:nonNumeric contextRef="Duration_3_31_2020_To_3_31_2020_IIOdE6K860uAl7ByC_Szxw" name="dei:CityAreaCode" id="Narr_xMRlgVGjr0mcVOz_A7_XOQ"><b style="font-weight:bold;">610</b></ix:nonNumeric><b style="font-weight:bold;">) </b><ix:nonNumeric contextRef="Duration_3_31_2020_To_3_31_2020_IIOdE6K860uAl7ByC_Szxw" name="dei:LocalPhoneNumber" id="Narr_ZKS4ObANc0KxsKq6xNlvzw"><b style="font-weight:bold;">240-3200</b></ix:nonNumeric></p><p style="background-color:#ffffff;font-family:'Times New Roman';font-size:10pt;line-height:1.19;text-align:center;margin:0pt;">(Telephone number, including area code)</p><div style="background-color:#ffffff;font-family:'Times New Roman';font-size:10.0pt;margin-bottom:0pt;min-height:1.19em;position:relative;width:100%;"><div style="background-color:#000000;height:1pt;position:relative;top:0.6em;width:25.0%;border:none;margin:0 auto;"></div></div><p style="background-color:#ffffff;font-family:'Times New Roman';font-size:10pt;line-height:1.19;margin:0pt;"><span style="visibility:hidden;">&#8203;</span></p><p style="background-color:#ffffff;font-family:'Times New Roman';font-size:10pt;line-height:1.19;margin:0pt;">Check the appropriate box below if the Form&#160;8-K filing is intended to simultaneously satisfy the filing obligation of the registrant under any of the following provisions (see General Instruction A.2. below):</p><p style="background-color:#ffffff;font-family:'Times New Roman';font-size:10pt;line-height:1.19;margin:0pt;"><span style="visibility:hidden;">&#8203;</span></p><table style="border-collapse:collapse;border:0;"><tr><td style="vertical-align:text-top;white-space:nowrap;width:24.5pt;padding:0pt;"><p style="background-color:#ffffff;font-family:'Times New Roman';font-size:10pt;line-height:1.19;margin-bottom:0pt;margin-top:0pt;padding-bottom:6pt;"><ix:nonNumeric contextRef="Duration_3_31_2020_To_3_31_2020_IIOdE6K860uAl7ByC_Szxw" format="ixt-sec:boolballotbox" name="dei:WrittenCommunications" id="Narr_1XLbpBoNUUSfS1JVCh_tAA"><span style="font-family:'Segoe UI Symbol';">&#9744;</span></ix:nonNumeric></p></td><td style="padding:0pt;"><p style="background-color:#ffffff;font-family:'Times New Roman';font-size:10pt;line-height:1.19;margin-bottom:0pt;margin-top:0pt;padding-bottom:6pt;">Written communications pursuant to Rule&#160;425 under the Securities Act (17 CFR 230.425)</p></td></tr></table><table style="border-collapse:collapse;border:0;"><tr><td style="vertical-align:text-top;white-space:nowrap;width:24.5pt;padding:0pt;"><p style="background-color:#ffffff;font-family:'Times New Roman';font-size:10pt;line-height:1.19;margin-bottom:0pt;margin-top:0pt;padding-bottom:6pt;"><ix:nonNumeric contextRef="Duration_3_31_2020_To_3_31_2020_IIOdE6K860uAl7ByC_Szxw" format="ixt-sec:boolballotbox" name="dei:SolicitingMaterial" id="Narr_CLlGtet7N0SFr-f0H7qs7Q"><span style="font-family:'Segoe UI Symbol';">&#9744;</span></ix:nonNumeric></p></td><td style="padding:0pt;"><p style="background-color:#ffffff;font-family:'Times New Roman';font-size:10pt;line-height:1.19;margin-bottom:0pt;margin-top:0pt;padding-bottom:6pt;">Soliciting material pursuant to Rule&#160;14a-12 under the Exchange Act (17 CFR 240.14a-12)</p></td></tr></table><table style="border-collapse:collapse;border:0;"><tr><td style="vertical-align:text-top;white-space:nowrap;width:24.5pt;padding:0pt;"><p style="background-color:#ffffff;font-family:'Times New Roman';font-size:10pt;line-height:1.19;margin-bottom:0pt;margin-top:0pt;padding-bottom:6pt;"><ix:nonNumeric contextRef="Duration_3_31_2020_To_3_31_2020_IIOdE6K860uAl7ByC_Szxw" format="ixt-sec:boolballotbox" name="dei:PreCommencementTenderOffer" id="Narr_MGz7JvDGLUqELyn1TTMFRw"><span style="font-family:'Segoe UI Symbol';">&#9744;</span></ix:nonNumeric></p></td><td style="padding:0pt;"><p style="background-color:#ffffff;font-family:'Times New Roman';font-size:10pt;line-height:1.19;margin-bottom:0pt;margin-top:0pt;padding-bottom:6pt;">Pre-commencement communications pursuant to Rule&#160;14d-2(b)&#160;under the Exchange Act (17 CFR 240.14d-2(b))</p></td></tr></table><table style="border-collapse:collapse;border:0;"><tr><td style="vertical-align:text-top;white-space:nowrap;width:24.5pt;padding:0pt;"><p style="background-color:#ffffff;font-family:'Times New Roman';font-size:10pt;line-height:1.19;margin-bottom:0pt;margin-top:0pt;padding-bottom:12pt;"><ix:nonNumeric contextRef="Duration_3_31_2020_To_3_31_2020_IIOdE6K860uAl7ByC_Szxw" format="ixt-sec:boolballotbox" name="dei:PreCommencementIssuerTenderOffer" id="Narr_8dI4-PGKX0uModNxvSf47w"><span style="font-family:'Segoe UI Symbol';">&#9744;</span></ix:nonNumeric></p></td><td style="padding:0pt;"><p style="background-color:#ffffff;font-family:'Times New Roman';font-size:10pt;line-height:1.19;margin-bottom:0pt;margin-top:0pt;padding-bottom:12pt;">Pre-commencement communications pursuant to Rule&#160;13e-4(c)&#160;under the Exchange Act (17 CFR 240.13e-4(c))</p></td></tr></table><p style="background-color:#ffffff;font-family:'Times New Roman';font-size:10pt;line-height:1.19;margin:0pt;">Indicate by check mark whether the registrant is an emerging growth company as defined in Rule&#160;405 of the Securities Act of 1933 (&#167;230.405 of this chapter) or Rule&#160;12b-2 of the Securities Exchange Act of 1934 (&#167;240.12b-2 of this chapter).</p><p style="background-color:#ffffff;font-family:'Times New Roman';font-size:10pt;line-height:1.19;margin:0pt;"><span style="visibility:hidden;">&#8203;</span></p><p style="background-color:#ffffff;font-family:'Times New Roman';font-size:10pt;line-height:1.19;margin:0pt;">Emerging growth company <ix:nonNumeric contextRef="Duration_3_31_2020_To_3_31_2020_IIOdE6K860uAl7ByC_Szxw" format="ixt-sec:boolballotbox" name="dei:EntityEmergingGrowthCompany" id="Narr_jzBnppCUaUS3-8g35s5jUA"><span style="font-family:'Segoe UI Symbol';">&#9744;</span></ix:nonNumeric></p><p style="background-color:#ffffff;font-family:'Times New Roman';font-size:10pt;line-height:1.19;margin:0pt;"><span style="visibility:hidden;">&#8203;</span></p><p style="background-color:#ffffff;font-family:'Times New Roman';font-size:10pt;line-height:1.19;padding-bottom:6pt;margin:0pt;">If an emerging growth company, indicate by check mark if the registrant has elected not to use the extended transition period for complying with any new or revised financial accounting standards provided pursuant to Section&#160;13(a)&#160;of the Exchange Act. <span style="font-family:'Segoe UI Symbol';">&#9744;</span></p><p style="background-color:#ffffff;font-family:'Times New Roman';font-size:10pt;line-height:1.19;margin:0pt 0pt 6pt 0pt;">Securities registered pursuant to Section 12(b) of the Act:</p><a id="_44be8218_0215_4675_aa98_5b460d437c96"></a><a id="Tc_U3IaJgmqUkeNLdgXWZOBoQ_1_0"></a><a id="Tc_UObNEjewQES3wCDU9h67fw_1_1"></a><a id="Tc_7WJe9Wz_SkeRle3GAj8QQw_1_2"></a><table style="border-collapse:collapse;font-size:16pt;margin-left:auto;margin-right:auto;width:100%;"><tr style="height:1pt;"><td style="vertical-align:top;width:33.31%;margin:0pt;padding:0pt 5.4pt 0pt 5.4pt;"><div style="height:1pt;overflow:hidden;overflow-wrap:break-word;position:relative;"><div style="position:absolute;top:0pt;width:100%;"><p style="font-family:'Times New Roman';font-size:10pt;line-height:1.19;margin:0pt;"><span style="font-size:1pt;font-weight:bold;visibility:hidden;">&#8203;</span></p></div></div></td><td style="vertical-align:top;width:33.34%;margin:0pt;padding:0pt 5.4pt 0pt 5.4pt;"><div style="height:1pt;overflow:hidden;overflow-wrap:break-word;position:relative;"><div style="position:absolute;top:0pt;width:100%;"><p style="font-family:'Times New Roman';font-size:10pt;line-height:1.19;margin:0pt;"><span style="font-size:1pt;font-weight:bold;visibility:hidden;">&#8203;</span></p></div></div></td><td style="vertical-align:top;width:33.34%;margin:0pt;padding:0pt 5.4pt 0pt 5.4pt;"><div style="height:1pt;overflow:hidden;overflow-wrap:break-word;position:relative;"><div style="position:absolute;top:0pt;width:100%;"><p style="font-family:'Times New Roman';font-size:10pt;line-height:1.19;margin:0pt;"><span style="font-size:1pt;font-weight:bold;visibility:hidden;">&#8203;</span></p></div></div></td></tr><tr><td style="vertical-align:top;width:33.31%;margin:0pt;padding:0pt 5.4pt 0pt 5.4pt;"><p style="font-family:'Times New Roman';font-size:8pt;line-height:1.37;text-align:center;margin:0pt;"><b style="font-weight:bold;text-decoration:underline;text-decoration-color:#000000;">Title of Each Class</b></p></td><td style="vertical-align:top;width:33.34%;margin:0pt;padding:0pt 5.4pt 0pt 5.4pt;"><p style="font-family:'Times New Roman';font-size:8pt;line-height:1.19;text-align:center;margin:0pt;"><b style="font-weight:bold;text-decoration:underline;text-decoration-color:#000000;">Trading symbol(s)</b></p></td><td style="vertical-align:top;width:33.34%;margin:0pt;padding:0pt 5.4pt 0pt 5.4pt;"><p style="font-family:'Times New Roman';font-size:8pt;line-height:1.19;text-align:center;margin:0pt;"><b style="font-weight:bold;text-decoration:underline;text-decoration-color:#000000;">Name of Each Exchange on which registered</b></p></td></tr><tr><td style="vertical-align:top;width:33.31%;margin:0pt;padding:0pt 5.4pt 0pt 5.4pt;"><p style="font-family:'Times New Roman';font-size:10pt;line-height:1.19;text-align:center;margin:0pt;"><ix:nonNumeric contextRef="Duration_3_31_2020_To_3_31_2020_IIOdE6K860uAl7ByC_Szxw" name="dei:Security12bTitle" id="Tc_lP3Ql4fyMUGI1lJw8j084w_2_0"><b style="font-size:9pt;font-weight:bold;">Ordinary Shares, par value $0.01 per share</b></ix:nonNumeric></p></td><td style="vertical-align:top;width:33.34%;margin:0pt;padding:0pt 5.4pt 0pt 5.4pt;"><p style="font-family:'Times New Roman';font-size:10pt;line-height:1.19;text-align:center;margin:0pt;"><ix:nonNumeric contextRef="Duration_3_31_2020_To_3_31_2020_IIOdE6K860uAl7ByC_Szxw" name="dei:TradingSymbol" id="Tc_NJ6M7YZUuUuKTjWAwx713A_2_1"><b style="font-size:9pt;font-weight:bold;">TSE</b></ix:nonNumeric></p></td><td style="vertical-align:top;width:33.34%;margin:0pt;padding:0pt 5.4pt 0pt 5.4pt;"><p style="font-family:'Times New Roman';font-size:10pt;line-height:1.19;text-align:center;margin:0pt;"><ix:nonNumeric contextRef="Duration_3_31_2020_To_3_31_2020_IIOdE6K860uAl7ByC_Szxw" format="ixt-sec:exchnameen" name="dei:SecurityExchangeName" id="Tc_LS0EFTBCf0q-aq8UFjeeoQ_2_2"><b style="font-size:9pt;font-weight:bold;">New York Stock Exchange</b></ix:nonNumeric></p></td></tr></table><p style="background-color:#ffffff;font-family:'Times New Roman';font-size:10pt;line-height:1.19;margin:0pt;"><span style="font-size:1pt;visibility:hidden;">&#8203;</span></p><p style="background-color:#ffffff;font-family:'Times New Roman';font-size:10pt;line-height:1.19;margin:0pt;"><span style="visibility:hidden;">&#8203;</span></p><p style="background-color:#ffffff;font-family:'Times New Roman';font-size:10pt;line-height:1.19;padding-bottom:1pt;padding-top:1pt;border-bottom:3.0pt solid #000000;border-top:1.0pt solid #000000;margin:0pt;"><span style="font-size:1pt;visibility:hidden;">&#8203;</span></p><a id="_2a6a27c9_3994_4757_b6ba_69152a662874"></a></div></div>
<div style="background-color:#000000;clear:both;height:2pt;page-break-after:always;width:88.24%;border:0;margin:30pt 5.88% 30pt 5.88%;"></div><div style="max-width:100%;padding-left:5.88%;padding-right:5.88%;position:relative;"><div style="clear:both;max-width:100%;position:relative;"><p style="font-family:'Times New Roman';font-size:10pt;line-height:1.19;margin:0pt;"><b style="font-weight:bold;white-space:pre-wrap;">ITEM 2.03  Creation of a Direct Financial Obligation or an Obligation under an Off-Balance Sheet Arrangement of a Registrant.</b></p><p style="font-family:'Times New Roman';font-size:10pt;line-height:1.19;margin:0pt;"><span style="visibility:hidden;">&#8203;</span></p><p style="font-family:'Times New Roman';font-size:10pt;line-height:1.19;margin:0pt;">On March 31, 2020, the Company submitted notice of withdrawal of $100 million from its revolving credit facility, as a precautionary measure to secure additional cash and ensure greater financial flexibility in light of the current economic uncertainty resulting from the COVID-19 novel coronavirus outbreak. Following the withdrawal, the Company had approximately $260 million (net of $15.0 million outstanding letters of credit) in available capacity remaining under its revolving credit facility. The portion of the the Company&#8217;s Press Release, furnished as Exhibit 99.1 hereto, relating to the Company&#8217;s withdrawal from its revolving credit facility is incorporated herein by reference.</p><p style="font-family:'Times New Roman';font-size:10pt;line-height:1.19;margin:0pt;"><span style="visibility:hidden;">&#8203;</span></p><p style="font-family:'Times New Roman';font-size:10pt;line-height:1.19;margin:0pt;"><b style="font-weight:bold;white-space:pre-wrap;">ITEM 7.01  Regulation FD.</b></p><p style="font-family:'Times New Roman';font-size:10pt;line-height:1.19;margin:0pt;"><span style="visibility:hidden;">&#8203;</span></p><p style="font-family:'Times New Roman';font-size:10pt;line-height:1.19;margin:0pt;">On April 1, 2020, the Company issued a press release providing a business update on impacts of the COVID 19 outbreak and economic downturn on the Company and its operations (the &#8220;Press Release&#8221;). A copy of the Press Release is furnished as Exhibit 99.1 hereto and incorporated by reference herein.</p><p style="font-family:'Times New Roman';font-size:10pt;line-height:1.19;margin:0pt;"><span style="visibility:hidden;">&#8203;</span></p><p style="font-family:'Times New Roman';font-size:10pt;line-height:1.19;margin:0pt;">The information contained in this Item 7.01, including the related information set forth in the Press Release, is being furnished and shall not be deemed &#8220;filed&#8221; for purposes of Section 18 of the Exchange Act, or otherwise subject to the liabilities of such section. The information in this Item 7.01, including the Press Release, shall not be incorporated by reference into any filings under the Securities Act or the Exchange Act, except as shall be expressly set forth by specific reference in any such filing.</p><p style="font-family:'Times New Roman';font-size:10pt;line-height:1.19;margin:0pt;"><span style="visibility:hidden;">&#8203;</span></p><p style="font-family:'Times New Roman';font-size:10pt;line-height:1.19;margin:0pt;"><b style="font-weight:bold;white-space:pre-wrap;">ITEM 9.01  Exhibits.</b></p><p style="font-family:'Times New Roman';font-size:10pt;line-height:1.19;margin:0pt;"><span style="visibility:hidden;">&#8203;</span></p><p style="font-family:'Times New Roman';font-size:10pt;line-height:1.19;margin:0pt;"><b style="font-weight:bold;">(d) Exhibits</b></p><p style="font-family:'Times New Roman';font-size:10pt;line-height:1.19;margin:0pt;"><span style="visibility:hidden;">&#8203;</span></p><table style="border-collapse:collapse;font-size:16pt;margin-left:auto;margin-right:auto;padding-left:0pt;padding-right:0pt;width:100%;"><tr><td style="vertical-align:bottom;width:12.12%;border-bottom:1.0pt solid #000000;margin:0pt;padding:0pt;"><p style="font-family:'Times New Roman';font-size:8pt;line-height:1.19;text-align:center;margin:0pt;"><b style="font-weight:bold;">Exhibit<br />Number</b></p></td><td style="vertical-align:bottom;width:2.65%;border-bottom:1.0pt solid transparent;margin:0pt;padding:0pt;"><p style="font-family:'Times New Roman';font-size:8pt;line-height:1.19;margin:0pt;">&#160;&#160;&#160;&#160;</p></td><td style="vertical-align:bottom;width:85.22%;border-bottom:1.0pt solid #000000;margin:0pt;padding:0pt;"><p style="font-family:'Times New Roman';font-size:8pt;line-height:1.19;text-align:center;margin:0pt;"><b style="font-weight:bold;">Description</b></p></td></tr><tr><td style="vertical-align:top;width:12.12%;margin:0pt;padding:0pt;"><p style="font-family:'Times New Roman';font-size:10pt;line-height:1.19;text-align:center;margin:0pt;">99.1</p></td><td style="vertical-align:bottom;width:2.65%;margin:0pt;padding:0pt;"></td><td style="vertical-align:top;width:85.22%;margin:0pt;padding:0pt;"><p style="font-family:'Times New Roman';font-size:10pt;line-height:1.19;margin:0pt;"><a href="ex-99d1.htm"><span style="font-family:'Times New Roman';font-size:10pt;font-style:normal;font-weight:normal;line-height:1.19;text-align:left;">Press release dated April 1, 2020</span></a>.</p></td></tr></table><p style="font-family:'Times New Roman';font-size:10pt;line-height:1.19;margin:0pt;"><span style="font-size:1pt;visibility:hidden;">&#8203;</span></p><p style="font-family:'Times New Roman';font-size:10pt;line-height:1.19;margin:0pt;"><span style="font-size:1pt;visibility:hidden;">&#8203;</span></p><p style="font-family:'Times New Roman';font-size:10pt;line-height:1.19;margin:0pt;"><span style="visibility:hidden;">&#8203;</span></p><p style="font-family:'Times New Roman';font-size:10pt;line-height:1.19;margin:0pt;"><span style="visibility:hidden;">&#8203;</span></p><p style="font-family:'Times New Roman';font-size:10pt;line-height:1.37;margin:0pt 0pt 10pt 0pt;"><span style="line-height:1.19;margin-bottom:0pt;visibility:hidden;">&#8203;</span></p><a id="_085977c4_2846_421f_b8db_7eefb3ae5b06"></a></div></div>
<div style="background-color:#000000;clear:both;height:2pt;page-break-after:always;width:88.24%;border:0;margin:30pt 5.88% 30pt 5.88%;"></div><div style="max-width:100%;padding-left:5.88%;padding-right:5.88%;position:relative;"><div style="clear:both;max-width:100%;position:relative;"><p style="font-family:'Times New Roman';font-size:10pt;line-height:1.19;text-align:center;margin:0pt 0pt 6pt 0pt;"><b style="font-weight:bold;">SIGNATURE</b></p><p style="font-family:'Times New Roman';font-size:10pt;line-height:1.19;text-indent:36pt;margin:0pt;">Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned hereunto duly authorized.</p><p style="font-family:'Times New Roman';font-size:10pt;line-height:1.19;text-align:center;margin:0pt;"><span style="visibility:hidden;">&#8203;</span></p><p style="font-family:'Times New Roman';font-size:10pt;line-height:1.19;text-align:center;margin:0pt;"><span style="visibility:hidden;">&#8203;</span></p><table style="border-collapse:collapse;font-size:16pt;margin-left:auto;margin-right:auto;padding-left:0pt;padding-right:0pt;width:100%;"><tr><td style="vertical-align:bottom;width:51.41%;margin:0pt;padding:0pt;"></td><td colspan="2" style="vertical-align:bottom;width:48.58%;margin:0pt;padding:0pt;"><p style="font-family:'Times New Roman';font-size:10pt;line-height:1.19;margin:0pt;"><b style="font-weight:bold;">TRINSEO S.A.</b></p></td></tr><tr><td style="vertical-align:bottom;width:51.41%;margin:0pt;padding:0pt;"></td><td style="vertical-align:bottom;width:7.72%;margin:0pt;padding:0pt;"></td><td style="vertical-align:bottom;width:40.86%;margin:0pt;padding:0pt;"></td></tr><tr><td style="vertical-align:bottom;width:51.41%;margin:0pt;padding:0pt;"></td><td style="vertical-align:bottom;width:7.72%;margin:0pt;padding:0pt;"></td><td style="vertical-align:bottom;width:40.86%;margin:0pt;padding:0pt;"></td></tr><tr><td style="vertical-align:bottom;width:51.41%;margin:0pt;padding:0pt;"></td><td style="vertical-align:bottom;width:7.72%;margin:0pt;padding:0pt;"><p style="font-family:'Times New Roman';font-size:10pt;line-height:1.19;margin:0pt;">By:</p></td><td style="vertical-align:bottom;width:40.86%;border-bottom:1.0pt solid #000000;margin:0pt;padding:0pt;"><p style="font-family:'Times New Roman';font-size:10pt;line-height:1.19;margin:0pt;">/s/ Angelo N. Chaclas</p></td></tr><tr><td style="vertical-align:bottom;width:51.41%;margin:0pt;padding:0pt;"></td><td style="vertical-align:bottom;width:7.72%;margin:0pt;padding:0pt;"><p style="font-family:'Times New Roman';font-size:10pt;line-height:1.19;margin:0pt;">Name:</p></td><td style="vertical-align:bottom;width:40.86%;margin:0pt;padding:0pt;"><p style="font-family:'Times New Roman';font-size:10pt;line-height:1.19;margin:0pt;">Angelo N. Chaclas</p></td></tr><tr><td style="vertical-align:bottom;width:51.41%;margin:0pt;padding:0pt;"></td><td style="vertical-align:top;width:7.72%;margin:0pt;padding:0pt;"><p style="font-family:'Times New Roman';font-size:10pt;line-height:1.19;margin:0pt;">Title:</p></td><td style="vertical-align:bottom;width:40.86%;margin:0pt;padding:0pt;"><p style="font-family:'Times New Roman';font-size:10pt;line-height:1.19;margin:0pt;">Senior Vice President, Chief Legal Officer,<br />Chief Compliance Officer &amp; Corporate Secretary</p></td></tr><tr style="height:14.85pt;"><td style="vertical-align:bottom;width:51.41%;margin:0pt;padding:0pt;"></td><td style="vertical-align:bottom;width:7.72%;margin:0pt;padding:0pt;"></td><td style="vertical-align:bottom;width:40.86%;margin:0pt;padding:0pt;"></td></tr><tr><td style="vertical-align:bottom;width:51.41%;margin:0pt;padding:0pt;"><p style="font-family:'Times New Roman';font-size:10pt;line-height:1.19;margin:0pt;"><span style="white-space:pre-wrap;">Date:  April 1, 2020</span></p></td><td style="vertical-align:bottom;width:7.72%;margin:0pt;padding:0pt;"></td><td style="vertical-align:bottom;width:40.86%;margin:0pt;padding:0pt;"></td></tr><tr><td style="vertical-align:bottom;width:51.41%;margin:0pt;padding:0pt;"></td><td style="vertical-align:bottom;width:7.72%;margin:0pt;padding:0pt;"></td><td style="vertical-align:bottom;width:40.86%;margin:0pt;padding:0pt;"></td></tr></table><p style="font-family:'Times New Roman';font-size:10pt;line-height:1.19;margin:0pt;"><span style="font-size:1pt;visibility:hidden;">&#8203;</span></p><p style="font-family:'Times New Roman';font-size:10pt;line-height:1.19;margin:0pt;"><span style="visibility:hidden;">&#8203;</span></p><p style="font-family:'Times New Roman';font-size:10pt;line-height:1.37;margin:0pt 0pt 10pt 0pt;"><span style="line-height:1.19;margin-bottom:0pt;visibility:hidden;">&#8203;</span></p></div></div>
<div style="background-color:#000000;clear:both;height:2pt;margin-left:5.88%;margin-right:5.88%;margin-top:30pt;page-break-after:avoid;width:88.24%;border:0;"></div></body></html>
[{"type": "8-K", "sequence": "1", "filename": "tse-20200331x8k015de6a.htm", "description": "8-K", "secsgml_size_bytes": 36926}]
{"company-data": {"conformed-name": "Trinseo S.A.", "cik": "0001519061", "assigned-sic": "2821", "irs-number": "000000000", "fiscal-year-end": "1231"}, "filing-values": {"form-type": "8-K", "act": "34", "file-number": "001-36473", "film-number": "20763832"}, "business-address": {"street1": "1000 CHESTERBROOK BOULEVARD", "street2": "SUITE 3000", "city": "BERWYN", "state": "PA", "zip": "19312", "phone": "610-240-3200"}, "mail-address": {"street1": "1000 CHESTERBROOK BOULEVARD", "street2": "SUITE 3000", "city": "BERWYN", "state": "PA", "zip": "19312"}, "former-company": {"former-conformed-name": "Bain Capital Everest (Luxco 2) S.a r.l.", "date-changed": "20110426"}}
​
​
UNITED STATES
SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549
​
FORM
8-K
​
CURRENT REPORT
Pursuant to Section 13 or 15(d)
of The Securities Exchange Act of 1934
​
Date of Report (Date of earliest event reported):
March 31, 2020
​
Trinseo S.A.
(Exact name of registrant as specified in its charter)
​
​
​
​
​
​
Luxembourg
​
001-36473
​
N/A
(State or other jurisdiction
of incorporation or organization)
​
(Commission
File Number)
​
(I.R.S. Employer
Identification Number)
​
1000 Chesterbrook Boulevard
,
Suite 300
,
Berwyn
,
Pennsylvania
19312
(Address of principal executive offices, including zip code)
​
(
610
)
240-3200
(Telephone number, including area code)
​
Check the appropriate box below if the Form 8-K filing is intended to simultaneously satisfy the filing obligation of the registrant under any of the following provisions (see General Instruction A.2. below):
​
☐
Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425)
☐
Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12)
☐
Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b))
☐
Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c))
Indicate by check mark whether the registrant is an emerging growth company as defined in Rule 405 of the Securities Act of 1933 (§230.405 of this chapter) or Rule 12b-2 of the Securities Exchange Act of 1934 (§240.12b-2 of this chapter).
​
Emerging growth company
☐
​
If an emerging growth company, indicate by check mark if the registrant has elected not to use the extended transition period for complying with any new or revised financial accounting standards provided pursuant to Section 13(a) of the Exchange Act.
☐
Securities registered pursuant to Section 12(b) of the Act:
​
​
​
Title of Each Class
Trading symbol(s)
Name of Each Exchange on which registered
Ordinary Shares, par value $0.01 per share
TSE
New York Stock Exchange
​
​
​
ITEM 2.03  Creation of a Direct Financial Obligation or an Obligation under an Off-Balance Sheet Arrangement of a Registrant.
​
On March 31, 2020, the Company submitted notice of withdrawal of $100 million from its revolving credit facility, as a precautionary measure to secure additional cash and ensure greater financial flexibility in light of the current economic uncertainty resulting from the COVID-19 novel coronavirus outbreak. Following the withdrawal, the Company had approximately $260 million (net of $15.0 million outstanding letters of credit) in available capacity remaining under its revolving credit facility. The portion of the the Company's Press Release, furnished as Exhibit 99.1 hereto, relating to the Company's withdrawal from its revolving credit facility is incorporated herein by reference.
​
ITEM 7.01  Regulation FD.
​
On April 1, 2020, the Company issued a press release providing a business update on impacts of the COVID 19 outbreak and economic downturn on the Company and its operations (the "Press Release"). A copy of the Press Release is furnished as Exhibit 99.1 hereto and incorporated by reference herein.
​
The information contained in this Item 7.01, including the related information set forth in the Press Release, is being furnished and shall not be deemed "filed" for purposes of Section 18 of the Exchange Act, or otherwise subject to the liabilities of such section. The information in this Item 7.01, including the Press Release, shall not be incorporated by reference into any filings under the Securities Act or the Exchange Act, except as shall be expressly set forth by specific reference in any such filing.
​
ITEM 9.01  Exhibits.
​
(d) Exhibits
​
Exhibit
Number
Description
99.1
Press release dated April 1, 2020
.
​
​
​
​
​
SIGNATURE
Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned hereunto duly authorized.
​
​
TRINSEO S.A.
By:
/s/ Angelo N. Chaclas
Name:
Angelo N. Chaclas
Title:
Senior Vice President, Chief Legal Officer,
Chief Compliance Officer & Corporate Secretary
Date:  April 1, 2020
​
​
​