New Legal Entity Name (effective Feb 1, 2015) Invoice To Address Country VAT Number DUNS Number Help-line number Functional Mailbox Trinseo Belgium BVBA Trinseo Deutschland Anlagengesellschaft mbh Trinseo Deutschland GmbH Trinseo Europe GmbH Trinseo France S.A.S. Trinseo Italia S.R.L. Trinseo Netherlands B.V. Trinseo Suomi Oy Trinseo Sverige AB PO BOX 119 4530 AD Terneuzen The Netherlands Netherlands BE0820679188 400564143 +31115671700 feutrin@dow.com PO BOX 162 4530 AD Terneuzen The Netherlands Netherlands DE268487747 341520985 +31115671700 feutrin@dow.com PO BOX 173 4530 AD Terneuzen The Netherlands Netherlands DE815139268 341535126 +31115671700 feutrin@dow.com PO BOX 164 4530 AD Terneuzen The Netherlands PO BOX 184 4530 AD Terneuzen Netherlands CHE223.013.167 MWST BE0806160466 NL819885150B01 ESN0392691B GB984989721 SE502068256201 FI23179461 IT06953230965 FR16520605759 DE269160791 484776716 +31115671700 feutrin@dow.com The Netherlands Netherlands FR82507491769 260250734 +31115671700 feutrin@dow.com PO BOX 136 4530 AD Terneuzen The Netherlands Netherlands IT06804940960 N/A +31115671700 feutrin@dow.com PO BOX 129 4530 AD Terneuzen The Netherlands Netherlands NL821506067B01 489610887 +31115671700 feutrin@dow.com PO BOX 170 4530 AD Terneuzen The Netherlands Netherlands FI22062560 651142106 +31115671700 feutrin@dow.com PO BOX 128 4530 AD Terneuzen The Netherlands Netherlands SE556760466401 776213527 +31115671700 feutrin@dow.com
New Legal Entity Name (effective Feb 1, 2015) PO Box City Country DUNS Number Invoice Payment Inquiry by Phone (Immediate Help) Invoice Payment Inquiry by E-mail (Within 72 hrs) Trinseo LLC Trinseo Canada ULC Trinseo US Holding, Inc. Trinseo Materials Finance Trinseo US Receivables Company SPV LLC Raw Materials & Packaging - PO Box 1567 (or electronically to FUSSTAP@dow.com) Freight - PO Box 1589 (or electronically to FUSCFFR@dow.com) PO related invoices - PO Box 1587 (or electronically to FUSSTAP@dow.com) Non-PO related invoices - PO Box 2009 (or electronically to FMDSPEC@dow.com) Freight- Cass Logistics Trinseo LLC C/O Cass Information Systems, Inc. PO Box 182390 Columbus, OH, 43218-2390 Midland, MI 48641-XXXX (where X=PO Box) USA 833167310 989-636-5409 FUSAPHD@dow.com
ADDRESS Country VAT Number Help-line Functional Mailbox New Legal Entity Name (effective Feb 1, 2015) number Rua Alexandre Dumas, 1671-2A Trinseo do Brasil Comercio de Produtos Quimicos Ltda. Chácara Santo Antonio, São Paulo - SP - Brasil, CEP 04717-903 BRA N/A 0800-7272369 compras@dow.com Trinseo de Mexico S. de R.L. de C.V. Montes Urales, 770-301 Lomas de Chapultepec 1a Sección México, DF 11000 Del. Miguel Hidalgo MEX TAX ID (RFC) SME- 090208-2P1 0800-7272369 compras@dow.com Trinseo Services de Mexico, S. de R.L. de C.V. Trinseo Chile Comercial Limitada Montes Urales, 770-301 Lomas de Chapultepec 1a Sección México, DF 11000 Del. Miguel Hidalgo MEX Avenida Americo Vespucio Sur 100 P6 P6 Las Condes / Chile CHL N/A TAX ID (RFC) SSM- 100511-MDA (+55 11) 51848809 compras@dow.com (+ 56 2) 440 4855 or (+55 11) 5184 9122 compras@dow.com
New Legal Entity Name (effective Feb 1, 2015) Address City Country Trade Register Number PT Styron Indonesia *Note to change to PT Trinseo Materials Indonesia by April 1 DUNS Number Functional Mailbox Wisma GKBI, Fl.20 - Suite 2001A, Jalan Jend. Sudirman No.28, Jakarta 10210 Indonesia Jakarta INDONESIA NPWP: 01.061.782.7-052.000 N/A fsispay@dow.com Trinseo (Hong Kong) Limited 盛 禧 奧 ( 香 港 ) 有 限 公 司 Trinseo Australia Pty. Ltd. Trinseo Japan Y.K. トリンセオ ジャパン 有 限 会 社 Trinseo Polymers (Zhangjiagang) Company Limited 盛 禧 奥 聚 合 物 ( 张 家 港 ) 有 限 公 司 Trinseo Singapore Pte. Ltd. Taiwan Trinseo Limited 台 灣 盛 禧 奧 股 份 有 限 公 司 Trinseo Holdings Asia Pte., Ltd. New Zealand Branch Trinseo Korea Ltd. 한국 트린지오 유한회사 Trinseo India Trading Private Limited Trinseo Holdings Asia Pte. Ltd. 47/F, Sun Hung Kai Centre, 30 Harbour Road, Wanchai, Hong Kong 香 港 湾 仔 港 湾 道 30 号 新 鸿 基 中 心 47 楼 Hongkong HKG Registration No.: 35391 686219148 fsihpay@dow.com 541-583 Kororoit Creek Road Private Bag 1 Altona, VIC 3018 Australia Attn:Accounts Payable Dept. Altona AUS Australian Company Number (ACN) 141 196 330 Australian Business Number (ABN) 54141196330 N/A fsiapay@dow.com Tennoz Central Tower, 2-24 Higashi Shinagawa 2-chome, Shinagawa-ku, Tokyo 140-0002 Japan Tokyo JPN Tax registration no:00253906 N/A fsijpay@dow.com No. 936 Zhang Heng Rd Zhangjagang Hi-Tech Park Shanghai 201203, China ATTN: Shanghai Pay Service Center Shanghai CHN Tax Registration No. 321600628490658 N/A fsicpay@dow.com 3 Killiney Road #07/08-09 Winsland House 1, Singapore 239519 Singapore SGP 200922921G NA fsispay@dow.com 7F, No. 2, Sec. 1, Tun-Hua S. Road, Taipei, Taiwan R.O.C 105 台 北 市 敦 化 南 路 一 段 2 號 7 樓 台 灣 陶 氏 化 學 會 計 部 Taipei TWN Tax Registration Number 25172556 N/A fsitpay@dow.com Level 13 7 City Road Auckland 1010 New Zealand Auckland NZ 14th Fl., Union Steel Bldg., 890 Daechi-Dong, Gangnam-Gu, Seoul 135-524, Korea Seoul Korea Trinseo India Trading Private limited Level 13, #1309 & 1312 Regus Platinum Technopark Sector 30A, Plot no. 17/18 Vashi, Navi Mumbai Maharashtra 400 705 Mumbai India Co Registration no.2410348 GST Registration no.104026648 N/A fsiapay@dow.com Trade Reg No : 230114-0002445 / VAT No : 610-86- 01547 N/A fsikpay@dow.com VAT TIN: 27850768836V VAT TIN: 27850768836C Cen Excise Registration No: AAOCS0634DED001 N/A fidapay@dow.com 3 Killiney Road #07/08-09 Winsland House 1, Singapore 239519 Singapore SGP GST Registration No. 199206042C FSISPAY@dow.com
New Legal Entity Name (effective Feb 1, 2015) Address City Country Trade Register Number Trinseo Petrochemicals (Zhangjiagang) Company Limited 盛 禧 奥 石 化 ( 张 家 港 ) 有 限 公 司 No. 936 Zhang Heng Rd Zhangjagang Hi-Tech Park Shanghai 201203, China ATTN: Shanghai Pay Service Center Shanghai CHN DUNS Number Functional Mailbox Tax Registration No. 321600704069196 N/A fsicpay@dow.com