Trinseo Materials Operating S.C. A. Watch

from S-4 47 pages Companies Act Chapter 81, R.S.N.S. 1989, as Amended

from S-4 11 pages Bylaws of Styron US Holding, Inc. a Delaware Corporation

from S-4 11 pages Article Two

from S-4 5 pages Second Amended and Restated Limited Liability Company Agreement of Styron LLC

from S-4 2 pages Certificate of Formation of Styron LLC

from S-4 10 pages 1 2 in These Articles the Expression “The Act” Means the Companies Act 1985 and “The 2006 Act” Means the Companies Act 2006, but So That Any Reference in These Articles to Any Provision of the Act or the 2006 Act Shall Be Deemed to Include a Reference to Any Statutory Modification or Re-Enactment of That Provision for the Time Being in Force 2 Allotment of Shares

from S-4 9 pages A R T I C L E S O F I N C O R P O R a T I O N of Styron Europe Gmbh

from S-4 11 pages A R T I C L E S O F I N C O R P O R a T I O N of Styron Europe Gmbh

from S-4 3 pages Bolagsordning Articles of Association Organization’s Number: 556760-4664 Registration Number: 556760-4664 § 1 Firma Company Name Bolagets Firma Är Styron Sverige Ab. the Company Name Is Styron Sverige Ab. § 2 Styrelsens Säte Registered Office Styrelsen Har Sitt Säte I Stockholms Kommun, Stockholms Iän. the Registered Head Office of the Company Is in the Municipality of Stockholm, Stockholm County. § 3 Verksamhet Objects of the Company Bolaget Skall Tillverka, Köpa Och Sälja, För Egen Eller Annans Räkning, Plast-, Kemiska-, Byggnads-, Isolerings- Och Metallprodukter Samt Att Driva Härmed Förenlig Verksamhet. the Objects of the Company Shall Be to Manufacture, Buy and Sell, on Its Own as Well as Others Account, Plastic, Chemical, Construction, Isolation and Metal Products and Also Conduct Thereto Compatible Business. § 4 Aktiekapital Share Capital Aktiekapitalet Utgör Lägst 100.000 Kronor Och Högst 400.000 Kroner. the Share Capital Shall Be Not Less Than Sek 100.000 and Not More Than Sek 400.000. § 5 Antal Aktier Amount of Shares Antalet Aktier Skall Uppgå Till Lägst 100.000 Och Högst 400.000 Stycken. the Amount of Shares Shall Be Not Less Than 100.000 and Not More Than 400.000. § 6 Styrelse Och Revisorer Board of Directors and Company Auditors Styrelsen Består Av 1—10 Ledamöter Med Högst 5 Suppleanter. Består Styrelsen Av 1 Till 2 Ledamöter Skall Minst 1 Suppleant Utses. the Board of Directors Shall Consist of 1-10 Members With a Maximum of 5 Deputy Members. if the Board Consists of 1-2 Members, at Least One Deputy Shall Be Appointed

from S-4 2 pages E-Certificate of Registration Registration Number 556760-4664 Date of Registration of the Company 2008-06-27 Date of Registration of Current Name 2009-12-08 Document Created on 2013-09-06 17:38 Page 2 (2) Financial Year Registered Financial Year: 0101 – 1231 Latest Annual Report Submitted Covers Financial Period 20120101-20121231 Date of Registration of Current and Previous Company Names 2009-12-08 Styron Sverige Ab 2008-07-29 K-Dow Petrochemicals Sverige Ab 2008-06-27 Goldcup D 4121 Ab **** the Above Information Is an Extract From the Trade and Industry Register Bolagsverket, the Swedish Companies Registration Office **** Bolagsverket 851 81 Sundsvall 060 18 40 00 BOLAGSVERKET@BOLAGSVERKET.SE Www. BOLAGSVERKET.SE

from S-4 36 pages The Companies Act, Cap. 50 Republic of Singapore Private Company Limited by Shares Memorandum and Articles of Association of Styron Holdings Asia Pte. Ltd. Registration No. 199206042c Incorporated on 9th November 1992 Lodged in the Office of the Accounting and Corporate Regulatory Authority, Singapore

from S-4 29 pages Certificate Confirming Incorporation of Company

from S-4 51 pages Postal Address P.O. Box 71170 1008 Bd Amsterdam Office Address Fred. Roeskestraat 100 1076 Ed Amsterdam the Netherlands Telephone +31 (0)20 578 5875 Fax +31 (0)20 578 5807 Internet WWW.LOYENSLOEFF.com Deed of Amendment to the Articles of Association of Styron Holding B.V. 2 July 2010 Contents: • True Copy of the Notarial Deed of Amendment to the Articles of Association of Styron Holding B.V. Executed Before G.M. Portier, Civil Law Notary, Officiating in Amsterdam, the Netherlands, on 2 July 2010; • English Office Translation of the Deed of Incorporation Amendment to the Articles of Association of Styron Holding B.V. • Consecutive Text Styron Holding B.V. • English Office Translation of the Consecutive Text Styron Holding B.V

from S-4 53 pages Postal Address P.O. Box 71170 1008 Bd Amsterdam Office Address Fred. Roeskestraat 100 1076 Ed Amsterdam the Netherlands Telephone +31 (0)20 578 5875 Fax +31 (0)20 578 5807 Internet WWW.LOYENSLOEFF.com Deed of Amendment to the Articles of Association of Styron Netherlands B.V. 2 July 2010 Contents: • True Copy of the Notarial Deed of Amendment to the Articles of Association of Styron Netherlands B.V. Executed Before G.M. Portier, Civil Law Notary, Officiating in Amsterdam, the Netherlands, on 2 July 2010; • English Office Translation of the Deed of Incorporation Amendment to the Articles of Association of Styron Netherlands B.V. • Consecutive Text Styron Netherlands B.V. • English Office Translation of the Consecutive Text Styron Netherlands B.V

from S-4 17 pages Dernière Modification

from S-4 14 pages Dernière Modification

from S-4 12 pages Statuts Coordonnes

from S-4 11 pages Statuts Coordonnes I. Name - Registered Office - Object - Duration

from S-4 5 pages By-Laws Styron Italia S.R.L

from S-4 2 pages Formation of Limited Liability Company (Società a Responsabilità Limitata) Republic of Italy “Styron Italia S.R.L.”