DNV BUSINESS ASSURANCE MANAGEMENT SYSTEM CERTIFICATE Certificate No. 138504-2013-AQ-BRA-RvA This is to certify that COMBUSTOL INDÚSTRIA E COMÉRCIO LIMITADA Address Rua Cel. José Rufino Freire, 453 - Estrada Tur. Jaraguá 358 - São Paulo, SP, Brazil and the sites as mentioned in Supplement accompanying this Certificate has been found to conform to the Management System Standard: ISO 9001:2008 This Certificate is valid for the following product or service ranges: DESIGN, MANUFACTURING, SUPPLY MANAGEMENT, ELECTROMECHANICAL ASSEMBLY AND SUPERVISION AND TECHNICAL ASSISTANCE FOR: SPECIAL FURNACES AND YOUR PARTS AND COMPONENTS, INCINERATORS, COMBUSTION CHAMBER, CITY GATE STATION AND METALWORKING EQUIPMENTS FOR STEEL MILL, METALLURGY, PETROCHEMICAL, MINING, GLASS, ALUMINUM AND OTHERS INDUSTRIAL APPLICATIONS. PROJETO, FABRICAÇÃO, GERENCIAMENTO DO FORNECIMENTO, MONTAGEM E SUPERVISÃO ELETROMECÂNICA E ASSISTÊNCIA TÉCNICA PARA: FORNOS ESPECIAIS E SUAS PARTES E COMPONENTES, INCINERADORES, CÂMARAS DE COMBUSTÃO, ESTAÇÃO DE ENTREGA DE GÁS CITY GATE E EQUIPAMENTOS DE CALDEIRARIA EM GERAL PARA SIDERURGIA, METALURGIA, PETROQUÍMICA, MINERAÇÃO, VIDRO, ALUMÍNIO E OUTRAS APLICAÇÕES INDUSTRIAIS. Initial Certification Date: Place and Date: 05 July 2011 São Paulo, 17 June 2014 This Certificate is Valid Until: for the Accredited Unit: DET NORSKE VERITAS CERTIFICATION B.V., THE NETHERLANDS 05 July 2017 The audit has been performed under the supervision of: Antonio Alberto Solidário Adriano Marcon Duarte Lead Auditor Regional Manager This certificate has been electronically authorized. ACCREDITED UNIT:DET NORSKE VERITAS CERTIFICATION B.V., ZWOLSEWEG 1, 2994 LB, BARENDRECHT, THE NETHERLANDS, TEL: +31 (0) 10 2922600 , WWW.DNVBA.COM / WWW.DMVBA.COM.BR DNV BUSINESS ASSURANCE SUPPLEMENT TO CERTIFICATE This Supplement pertains to Certificate No. 138504-2013-AQ-BRA-RvA COMBUSTOL INDÚSTRIA E COMÉRCIO LIMITADA Locations included in the certification are as follows: Cert No. 138504CC1-2013-AQ-BRA-RvA Site Name COMBUSTOL EQUIPAMENTOS INDÚSTRIA E COMERCIO LTDA. Address Estrada Turistica do Jaraguá 358, Bloco B – São Paulo, SP - Brazil Site Scope Same scope Initial Certification Date: Place and date: 05 July 2011 São Paulo, 17 June 2014 This Certificate is Valid Until: for the Accredited Unit: DET NORSKE VERITAS CERTIFICATION B.V., THE NETHERLANDS 05 July 2017 The audit has been performed under the supervision of: Antonio Alberto Solidário Adriano Marcon Duarte Lead Auditor Regional Manager This certificate has been electronically authorized. ACCREDITED UNIT:DET NORSKE VERITAS CERTIFICATION B.V., ZWOLSEWEG 1, 2994 LB, BARENDRECHT, THE NETHERLANDS, TEL: +31 (0) 10 2922600 , WWW.DNVBA.COM / WWW.DMVBA.COM.BR