Specialized metalwork With years of experience, the ...

1 TUBULAR TOWERfor Wind EnergyLocationGSTM facilities are located in Monclova, Coa-huila, Mexico Its plant is located 120 miles south of the United States border. Because of its location, the Company can quickly access principal cit-ies and ports in northeast Mexico, including border cities such as Laredo, Brownsville and Eagle Pass, Texas. GIMSA STRUCTURAL MANUFACTURING, DE . Carranza 150-GFrontera, Coah., 25680 MexicoPhone: +52 866 649 Co m pA n y o f Gr u p o In d u s t rI A l mo nC l o vAQuality and ReliabilityGSTM, a subsidiary of Grupo Industrial Monclova, has Specialized in the design, manufacturing and construction of: Tubular Towers for Wind Energy Metallic structures Specialized metalwork With years of experience, the Companies of GIMSA have developed quality control systems that enables G STM to provide timely and superior service, fulfilling the needs of its clients.

2 The prestigious reputation of GIMSA Companies its facilities and its people- precedes them not only in Mexico, but is also home to one of Mexico s inter-national airports. GSTM occupies acres (400,000 m2) and operates in three state-of-the art industrial build-ings that utilizes modern equipment and com-plete infrastructure covering a total surface area of 193,750 ft2 (18,000 m2 of production area.)The history of GIMSA is an accumula-tion of challenges and success, which all along its time has allowed it to grow into an industrial group of a greater set-tling in the Central Region of Coahuila, at the beginning of the 50 s, GIMSA Operates four Divisions in seven States of Mexico. Its Companies produces from an Offshore Platform to high precision machinery; railroad cars; natural gas; and quiclime.

3 Also has commercial business, such as, hardware and industrial gases sales. Quality Products A solid team of the best metal craftsmen, Specialized technicians and professional supervisors are the cornerstone behind the quality of GSTM products. GSTM s product line features: Tubular Tower for Wind Energy. Metallic structures. Specialized metalworkThe products are fabricated following the strictest ASME quality certification : A solid teamThe metal mechanical companies of Grupo Industrial Monclova (GIMSA) are recognized for their quality, on time delivery and their high qualified Structural Manufacturing (GSTM) a company that emerged in 2008 as a result of more than 50 years of experience of Grupo Industrial Monclova in the steel fabrication main equipment allows to perform special and critical projects covering a wide range of dimensions and works.

4 CNC cutting table 23 x 102 (7m x 31m) 3 Roll bending 10 x (3,004mm x ) 4 Roll bending 10 x 3 (3,004mm x ) Blast room 23 x 115 (7m x 35m) Paint room 23 x 115 (7m x 35m)Precise FabricationThe following steps form part of GSTM s production processes to ensure the highest quality products: Plate blasting Cutting Rolling Assembly and welding UT and Rx Inspection and approval Shotblast and painting Final cleaning Final release Shipping Heavy equipment assemblies Large diameter tubing Specialized structure welding Atmospheric tanks and pressure vessels High calcium quicklime Dolomitic lime Pulverized high calcium quick lime Hydrolic limestone Dead burnt dolomite Syntetic slag Siderurgic limestone Hydrolic limestone Gravel Mineral sand Sealer, base and sub-base Dolomite Limestone Maintenance for molds and segments continuou casting machinery Oxygen Acetylene Nitrogen Helio Carbonic gas Argon Medical gases Special gases Profesional and administrative services Ford car dealer agency Automotive maintenance Spare parts Importing and exporting services Ford car dealer agency Automotive maintenance Spare parts Liners High precission machinary Offshore Platforms Decks and Living quarters Jackets Light weight platforms Heliports ContainersCONSTRUCCIONES MECANICAS MONCLOVA, DE INTERNACIONALES DEL NORTE, DE BASICOS, DE , MONCLOVA - UNITREFRACTARIOS BASICOS, DE , MITRAS - UNITDOLOMITA MONCLOVA, MANTENIMIENTO, DE DE GASES INDUSTRIALES.

5 DE Sale and distribution of industrial suppliesREFACCIONES, MATERIALES Y SERVICIOS DEL NORESTE, DE EMPRESARIAL GIMSA, DE INTERNATIONAL, INCAUTOMOTRIZ MONCLOVA, DE AUTOMOTRIZ, DE Four Stars level Hotel 52 rooms All services includedHOTEL CHULAVISTA DE MONCLOVA, DE FABRICACIONES, DE INDUSTRIAL MONCLOVACORPORATEHEADQUARTER INMONCLOVA, OFFICE INSAN ANTONIO, TX. Wind towers Specialized structure weldingGIMSA STRUCTURAL MANUFACTURING, DE CoalCARBONIFERA DEL NORESTE, Exploration and production of natural gasGPA ENERGY, DE Rail hopper cars Tank carsGUNDERSON - GIMSA, S. DE DE venture between Greenbrier Companies and GIMSAINDUSTRIALDIVISIONENERGYDIVISIONREF RACTORIESAND MINES DIVISIONCOMMERCIALDIVISIONGIMSA: 55 years of strenght with industrial Experienc