Addresses STEEL TUBES TENARIS REGISTERED OFFICE

ITALY

13 rue Beaumont L-1219 Luxembourg phone: (352) 26 4789 78 fax: (352) 26 4789 79

DALMINE S.p.A.

Principal Industrial Centers

Piazza Caduti 6 Luglio 1944, 1 (24044) DALMINE, Bergamo Italy phone: (39) 035 560-111 fax: (39) 035 560-3827

ARGENTINA

JAPAN

SIDERCA S.A.I.C.

NKKTUBES

Dr. Jorge A. Simini 250 (B2804MHA) CAMPANA, Buenos Aires Argentina phone: (54) 3489 433100 fax: (54) 3489 433877

1-10 Minamiwatarida, Kawasaki-ku 210-0855, KANAGAWA Japan phone: (81) 44 328-0341 fax: (81) 44 328-0343

SIAT S.A. Guatemala 3400 (B1822AXZ) VALENTIN ALSINA, Buenos Aires Argentina phone: (54) 11 4365-9500 fax: (54) 11 4365-9671

BRAZIL CONFAB INDUSTRIAL S.A. Av. Dr. Gastão Vidigal Neto, 475 Cidade Nova (12414-900) Pindamonhangaba, SÃO PAULO Brazil phone: (55) 12 244 9100 fax: (55) 12 244 9027

CANADA ALGOMATUBES Inc. 547 Wallace Terrace SAULT STE. MARIE, Ontario P6C 1L9 Canada phone: (1) 705 946-8130 fax: (1) 705 946-8131

MEXICO TAMSA - Tubos de Acero de México S.A. Km 433,7 Carr. México-Veracruz via Xalapa (91697) VERACRUZ, Ver. Mexico phone: (52) 229 989-1100 fax: (52) 229 989-1120

ROMANIA SILCOTUB S.A. 93, Mihai Viteazu Blvd ZALAU, Salaj County code 450099 Romania phone: (40) 260 620 720 fax: (40) 264 432 140

VENEZUELA TAVSA Tubos de Acero de Venezuela S.A. Autopista vía Ciudad Bolívar Zona Industrial Matanzas Sidor, PUERTO ORDAZ, Estado Bolívar Venezuela phone: (58) 286 600-6460/7260 fax: (58) 286 600-6461

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F L AT S T E E L ARGENTINA

VENEZUELA

SIDERAR

SIDOR

Head Office: Av. Leandro N. Alem 1067 - Piso 24° (1001) BUENOS AIRES Argentina phone: (54) 11 4018-2100 fax: (54) 11 4018-1000

Caracas Office: Av. La Estancia - Edificio General - Piso 9° Chuao (1061) CARACAS Venezuela phone: (58) 212 600-3904/3800 fax: (58) 212 993-2930

Industrial Centers Parque Industrial Comirsa Gral. Savio Steel Center (San Nicolás): Av. Gral. Savio s/n° (2900) SAN NICOLAS, Buenos Aires Argentina phone: (54) 3461 438100 fax: (54) 3461 438-222-333

Ciudad Guayana Plant: Av. Guayana Edificio Administrativo II - Piso 7° Zona Industrial Matanzas (8050) PUERTO ORDAZ, Estado Bolívar Venezuela phone: (58) 286 600-7691 fax: (58) 286 600-7699

Ensenada Plant: Camino Almirante Brown s/nº (1925) ENSENADA, Buenos Aires Argentina phone: (54) 221 429-6100 fax: (54) 221 429-6101 Sidercolor Plant: Camino Gral. Belgrano - km 32 (1888) FLORENCIO VARELA, Buenos Aires Argentina phone: (54) 11 4229-6500 fax: (54) 11 4018-1100 Serviacero Plant Florencio Varela: Camino Gral. Belgrano - km 31,5 (1888) FLORENCIO VARELA, Buenos Aires Argentina phone: (54) 11 4229-6500 fax: (54) 11 44896913 Serviacero Plant Ramallo: Parque Industrial Comirsa (2915) RAMALLO, Buenos Aires Argentina phone: (54) 3461 4383-30/32 fax: (54) 3461 438346 Haedo Plant: Valentín Gómez 210/214 (B1706FMD) HAEDO, Buenos Aires Argentina phone: (54) 11 4489-6900 fax: (54) 11 44896913

ADDRESSES

Sidercrom Plant: Parque Industrial Comirsa (2915) RAMALLO, Buenos Aires Argentina phone: (54) 3461 438342 fax: (54) 3461 438222 Cannig Plant: Calle Barreiro s/n° - Ruta n° 52 (1804) CANNING, Buenos Aires Argentina phone: (54) 11 4239-4100 fax: (54) 11 4239-4010

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ENGINEERING & CONSTRUCTION ARGENTINA

MEXICO

TECHINT - COMPAÑIA TECNICA INTERNACIONAL S.A.C.I.

TECHINT S.A. DE C.V.

Carlos María Della Paolera 299 - Piso 17º (C1001ADA) BUENOS AIRES Argentina phone: (54) 11 4018-4100 fax: (54) 11 4018-1000 e-mail: [email protected]

Edificio Parque Reforma Campos Elíseos 400 - Piso 1° Col. Chapultepec Polanco Delegación Miguel Hidalgo (11560) MEXICO, D.F. Mexico phone: (52) 555 282-8600 fax: (52) 555 282-8696 e-mail: [email protected]

BRAZIL SAUDI ARABIA

TECHINT S.A. Rua Tabapuã 41 - Itaim Bibi (04533010) SÃO PAULO, S.P. Brazil phone: (55) 11 3707-6000 fax: (55) 11 3168-6575 e-mail: [email protected]

ITALY

SAUDI TECHINT Ltd (Middle East and North Africa central office) P.O. Box 12780 (31483) DAMMAM Saudi Arabia phone: (966) 3 868-1570 fax: (966) 3 868-1577 e-mail: [email protected]

TECHINT - COMPAGNIA TECNICA INTERNAZIONALE S.p.A. Via Monte Rosa, 93 (20149) MILANO Italy phone: (39) 02 4384-1 fax: (39) 02 4693026 e-mail: [email protected] Rome Office: Via Po, 24 (00198) ROMA Italy phone: (39) 06 8543111 fax: (39) 06 8844841 e-mail: [email protected]

TECHINT CIMIMONTUBI S.p.A. Via Monte Rosa, 93 (20149) MILANO Italy phone: (39) 02 4384-1 fax: (39) 02 43847130 e-mail: [email protected]

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URUGUAY TECHINT COMPAÑIA TECNICA INTERNACIONAL S.A. (TEURU) Rincón 487 - Of. 403 Edificio Artigas (11200) MONTEVIDEO Uruguay phone: (598) 2 915-7669 fax: (598) 2 915-8799 e-mail: [email protected]

I N D U S T R I A L P L A N T S & M A C H I N E RY BRAZIL

ITALY

CONFAB EQUIPAMENTOS

TECHINT TECHNOLOGIES

Rua Dr. Gonzaga s/n° (12440-200) Moreira César, SÃO PAULO Brazil phone: (55) 12 241-1000 fax: (55) 12 240-2299

Torre Shipping Via De Marini, 53 (16149) GENOVA Italy phone: (39) 010 60541 fax: (39) 010 6054926 e-mail: [email protected]

TECHINT INDUSTRIAL TECHNOLOGIES (BEIJING) CO. Ltd 1205 Air China Plaza 36, Xiaoyun Lu (100027) BEIJING People's Republic of China phone: (86) 10 8447-5656 fax: (86) 10 8447-5858 e-mail: [email protected]

GERMANY TECHINT ITALIMPIANTI DEUTSCHLAND GmbH Graf Adolf Platz, 6 (40213) DUSSELDORF Postfach 200701 (40104) DUSSELDORF Germany phone: (49) 02 11 540976-0 fax: (49) 02 11 540976-76 e-mail: [email protected]

Furnaces: phone: (39) 010 6054433 fax: (39) 010 6054741 e-mail: [email protected] Strip Processing Lines: phone: (39) 010 6054879 fax: (39) 010 6054929 e-mail: [email protected] Material Handling Systems: phone: (39) 010 6054067 fax: (39) 010 6054710 e-mail: [email protected] Melt Shops: Via Monte Rosa, 93 (20149) MILANO Italy phone: (39) 02 43847945 fax: (39) 02 43847695 e-mail: [email protected] Glass Plants: Via Lombardia, 6/8 (24040) CALVENZANO, Bergamo Italy phone: (39) 0363 545011 fax: (39) 0363 335500 e-mail: [email protected]

TECHINT MACHINERY & EQUIPMENT DIVISION Via Leonardo da Vinci, 20 (21053) CASTELLANZA, Varese Italy phone: (39) 0331 444111 fax: (39) 0331 504361 e-mail: [email protected] Rubber & Plastics: phone: (39) 0331 444111 fax: (39) 0331 444204 e-mail: [email protected] Roll Grinders: phone: (39) 0331 444356 fax: (39) 0331 444390 e-mail: [email protected]

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ADDRESSES

CHINA

OIL AND GAS ARGENTINA TECPETROL S.A. Head Office: Carlos Maria Della Paolera 299 - Piso 20° (C1001ADA) BUENOS AIRES Argentina phone: (54) 11 4018-5900 fax: (54) 11 4018-5939 Aguaragüe Block: Cornejo 194 (4560) TARTAGAL, Provincia de Salta Argentina phone: (54) 3875 42-9100 fax: (54) 3875 42-9134 El Tordillo Block: Ruta Nacional 26 Desvío El Tordillo (9000) COMODORO RIVADAVIA Provincia de Chubut Argentina phone: (54) 297 447-5156 fax: (54) 297 447-7040 Neuquén-Río Negro Block: Ruta Nacional 151 - km 76,5 Provincia de Río Negro Casilla de Correo 743 (Q8300ZAA) PROVINCIA DE NEUQUÉN Argentina phone/fax: (54) 299 15553011/550595 155817730

TRANSPORTADORA DE GAS DEL MERCOSUR S.A. Head Office: Don Bosco 3672 - Piso 4° (C1206ABF) BUENOS AIRES Argentina phone: (54) 11 4959-2000 fax: (54) 11 4959-2242

ECUADOR TECPECUADOR S.A. Av. 12 de Octubre n° 26-97 y A. Lincoln Edificio Torre 1492 - Piso 2° QUITO Ecuador phone: (59) 3 2 2986240 fax: (59) 3 2 2986215

PERU TRANSPORTADORA DE GAS DEL PERU S.A. Head Office: Av. Larco 1301 - Piso 16° - Of. 1602 Miraflores, LIMA 18 Peru phone: (51) 1 617-7777 fax: (51) 1 617-7701

TECGAS ARGENTINA S.A. Head Office: Carlos Maria Della Paolera 299 - Piso 22° (C1001ADA) BUENOS AIRES Argentina phone: (54) 11 4018-5971 fax: (54) 11 4018-5973

TRANSPORTADORA DE GAS DEL NORTE S.A. Head Office: Don Bosco 3672 - Piso 4° (C1206ABF) BUENOS AIRES Argentina phone: (54) 11 4959-2000 fax: (54) 11 4959-2242

VENEZUELA TECPETROL DE VENEZUELA S.A. Head Office: Torre Ejecutiva Av. 4 (entre 75 y 76) - Piso 7° MARACAIBO, Estado Zulia Venezuela phone: (58) 261 794-3000/2 fax: (58) 261 794-3042

MEXICO TECPETROL MÉXICO Campos Eliseos 400 - Piso 1° Polanco Chapultec Moliere y Senega Miguel (11560) HIDALGO DISTRITO FEDERAL RFC:TBU010302T52 México phone/fax: (01) 55 52828600

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H E A LT H C A R E ITALY TECHOSP S.p.A. Via Monte Rosa, 93 (20149) MILANO Italy phone: (39) 02 8224-1 fax: (39) 02 8224-2413

CASA DI CURA FORNACA DI SESSANT C.so Vittorio Emanuele II, 91 (10128) TORINO Italy phone: (39) 011 5574111 fax: (39) 011 5622644

CASA DI CURA CELLINI

Via Manzoni, 56 (20089) ROZZANO, Milano Italy phone: (39) 02 8224-1 fax: (39) 02 8224-2413

HUMANITAS GAVAZZENI S.p.A. Via M. Gavazzeni, 21 (24125) BERGAMO Italy phone: (39) 035 4204-111 fax: (39) 035 322-376

Via Cellini, 5 (10126) TORINO Italy phone: (39) 011 69211 fax: (39) 011 6637045

CENTRO CATANESE DI ONCOLOGIA Via E. Dabormida, 64 (95126) CATANIA Italy phone: (39) 095 7339000 fax: (39) 095 336989

ADDRESSES

ICH ISTITUTO CLINICO HUMANITAS

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O T H E R S E RV I C E S A N D A C T I V I T I E S ARGENTINA

LOSA - Ladrillos Olavarria S.A.

TECHTEL LMDS

Head Office: Av. Córdoba 320 - Piso 6° (C1054AAP) BUENOS AIRES Argentina phone: (54) 11 4018-5697 fax: (54) 11 4018-5649 e-mail: [email protected]

Comunicaciones Interactivas S.A. Av. Juan de Garay 34 (C1063ABN) BUENOS AIRES Argentina phone: (54) 11 4000-3000 fax: (54) 11 4000-3405 e-mail: [email protected]

TESUR Conesa 1073 (C1426AQU) BUENOS AIRES Argentina phone: (54) 11 4556-8600 fax: (54) 11 4556-8684 e-mail: [email protected]

Industrial Center: Ruta 51 - Paraje San Jacinto (B7400XAF) OLAVARRIA, Buenos Aires Argentina phone: (54) 2284 493056/493156/493730 fax: (54) 2284 493041

ITALY

FERROEXPRESO PAMPEANO S.A.

SIRTI S.p.A.

Av. Córdoba 320 - Piso 4° (C1054AAP) BUENOS AIRES Argentina phone: (54) 11 4018-7900 fax: (54) 11 4018-7930 e-mail: [email protected]

Via Stamira d'Ancona, 9 (20017) MILANO Italy phone: (39) 02 9588-1 fax: (39) 02 9588-3333 e-mail: [email protected]

SISTEMAS CATASTRALES

DALMINE ENERGIE S.p.A.

Tte. Gral. J.D. Perón 949 - Piso 10° (1038) BUENOS AIRES Argentina phone: (54) 11 4326-4002 fax: (54) 11 4326-8686

Piazza Caduti 6 Luglio 1944, 1 (24044) DALMINE, Bergamo Italy phone: (39) 035 560-111 fax: (39) 035 560-9173 e-mail: [email protected]

IMPRIPOST Av. de los Constituyentes 3702 Ex Ruta Nacional 9 - km 35,5 (B1617AGS) General Pacheco, BUENOS AIRES Argentina phone: (54) 3327 451467/8 fax: (54) 3327 451460

EXIROS Carlos María Della Paolera 299 - Piso 3° (C1001ADA) BUENOS AIRES Argentina toll free: 0-800-555-3947 fax: (54) 11 4018-8545 e-mail: [email protected]

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URUGUAY TECHTEL La Cumparsita 1373 - Piso 5° (11200) MONTEVIDEO R.O. del Uruguay phone: (598) 2 902-8899 fax: (598) 2 901-5115

WORLDWIDE OFFICES AZERBAIJAN

CHILE

TENARIS GLOBAL SERVICES CASPIAN SEA

TECHINT COMPAÑIA INTERNACIONAL DE INGENIERIA Y CONSTRUCCION S.A.

Neftchilar Prospekti, 67 - apt. 29 370004 BAKU Azerbaijan Republic phone: (994) 1292 1411 fax: (994) 1297 1023

BOLIVIA TENARIS GLOBAL SERVICES Av. José Estenssoro n° 250 SANTA CRUZ DE LA SIERRA Bolivia phone: (591) 3 3120603 fax: (591) 32 3120602 e-mail: [email protected]

BRAZIL

Av. del Valle 937 - Of. 351 Ciudad Empresarial, Huechuraba SANTIAGO Chile phone: (56) 2 738-4892 fax: (56) 2 738-4882 e-mail: [email protected]

CHINA TENARIS GLOBAL SERVICES Lido Commercial Building - Room 706 Jichang Road, Jiang Tai Road (100004) BEIJING People's Republic of China phone: (86) 10 6437-6744 fax: (86) 10 6437-6746 e-mail: [email protected]

EXIROS

SIDERAR Rua Tabapuã 41 - Andar 9° Itaim Bibi (04533-010) SÃO PAULO, S.P. Brazil phone: (55) 11 3040-6030/6031 fax: (55) 11 3040-6072

TECHINT ITALIMPIANTI Ltda Rua Tabapuã 41 - Andar 9° Itaim Bibi (04533-010) SÃO PAULO, S.P. Brazil phone: (55) 11 3707-6029/6198 fax: (55) 11 37076076 e-mail: [email protected]

CANADA TENARIS GLOBAL SERVICES 2350, 440 - 2nd Avenue S.W. (T2P 5E9) CALGARY, Alberta Canada phone: (1) 403 290-0602 fax: (1) 403 290-0619 e-mail: [email protected]

COLOMBIA TECHINT INTERNATIONAL CONSTRUCTION CORP. (TENCO) Carrera 13, n° 93B-51 Edificio Azahara Empresarial SANTA FE DE BOGOTA Colombia phone: (57) 1 623-4343 fax: (57) 1 623-4750 e-mail: [email protected]

TENARIS GLOBAL SERVICES Carrera 13, n° 93B-51 - Piso 4° SANTA FE DE BOGOTA Colombia phone: (57) 1 636-2920 fax: (57) 1 623-4780 e-mail: [email protected]

ECUADOR TECHINT COMPAÑIA TECNICA INTERNACIONAL S.A. (TEQUI) Av. 12 de Octubre n° 26-97 y A. Lincoln Edificio Torre 1492 - Piso 3° - Of. 304 QUITO (Pichincha) Ecuador phone: (593) 2 2986-240 fax: (593) 2 2986-152 e-mail:[email protected]

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ADDRESSES

Rua Tabapuã 41 - Andar 11° Itaim Bibi (04533-010) SÃO PAULO, S.P. Brazil toll free: 000-854-025510 fax: (55) 11 31670290

TENARIS GLOBAL SERVICES Av. 12 de Octubre n° 26-97 y A. Lincoln Edificio Torre 1492 - Piso 2° - Of. 202 QUITO (Pichincha) Ecuador phone: (593) 2 222-5959 fax: (593) 2 222-5966 e-mail: [email protected]

ITALY EXIROS Piazza Caduti 6 Luglio 1944, 1 (24044) DALMINE, Bergamo Italy toll free: 800-780-987 fax: (39) 035 560-3435 e-mail: [email protected]

EGYPT TECHINT CIMIMONTUBI Cairo Office: 28, Wadi-El-Nil Street Mohandessin, CAIRO Egypt phone: (20) 2 303-5558/6957 fax: (20) 2 303-6559 e-mail: [email protected]

TENARIS GLOBAL SERVICE NORTH AFRICA 8th Floor Florinda Mall Behind Sheraton Heliopolis - Near Cairo Airport PO BOX 128 Roda Sheraton Area Code (11799) CAIRO Egypt phone: (20) 2 2686 991 fax: (20) 2 2686 990 e-mail: [email protected]

FRANCE TENARIS GLOBAL SERVICES 80/82, Rue Anatole France (92300) LEVALLOIS PERRET France phone: (33) 1 47571212 fax: (33) 1 47571081 e-mail: [email protected]

GERMANY TENARIS GLOBAL SERVICES Rheinrottstrasse, 1 (68169) MANNHEIM Germany phone: (49) 621 322380 fax: (49) 621315067 e-mail: [email protected]

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LIBYA TECHINT LIBYA BRANCH Skikda Street Madina - Siahia (Gergarsh) (Front Noc Training Center) TRIPOLI Libya - GSPLAJ phone/fax: (218) 214 841578 e-mail: [email protected]

MEXICO EXIROS Km 433,7 Carr. México-Veracruz via Xalapa (91697) VERACRUZ, Ver. Mexico toll free: 01-800-123-4686 fax: (52) 229 989 1600 (ext. 4003)

MALAYSIA TENARIS GLOBAL SERVICES Lot 7-13 - 7th Floor - Wisma UOA II n° 21 Jalang Pinang (50450) KUALA LUMPUR Malaysia phone: (603) 216-48115 fax: (603) 216-48117 e-mail: [email protected]

NIGERIA

SINGAPORE

TECHINT CIMIMONTUBI NIGERIA Ltd

TENARIS GLOBAL SERVICES

Plot 1142/14 Amodu Ojikutu Street Victoria Island, LAGOS Nigeria phone: (234) 1 261-9921 fax: (234) 1 262-0327 e-mail: [email protected] c/o NLNG/TSKJ Project BONNY ISLAND (River State) Nigeria phone: (234) 84 270550/1 fax: (234) 84 270553 e-mail: [email protected]

TENARIS GLOBAL SERVICES Aba Road Camp km 16 Aba/Port Harcourt Expressway PORT HARCOURT Nigeria phone: (234) 84 610299 fax: (234) 84 611859 e-mail: [email protected]

NORWAY TENARIS GLOBAL SERVICES Godesetdalen, 10 (4033) STAVANGER Norway phone: (47) 51 443440 fax: (47) 51 443441 e-mail: [email protected]

200 Cantonment Road #04-01 Southpoint (089763) SINGAPORE Republic of Singapore phone: (65) 6 395 9900 fax: (65) 6 222-4090 e-mail: [email protected]

SPAIN SIDERAR Daniel Balaciart, 6 - Entlo. D (46020) VALENCIA Spain phone: (34) 96 3392702 fax: (34) 96 3392469

SUDAN TECHINT INTERNATIONAL CONSTRUCTION CORP. (TENCO) 5 Baladiya Street - Hassabo Building P.O. 1146 Khartoum SUDAN phone: (249) 1 83781814 fax: (249) 1 83781818

UNITED ARAB EMIRATES TENARIS GLOBAL SERVICES

TECHINT Representative Office for C.I.S. Voznesenskiy Lane 20 - Stroyenie 3 (117420) MOSCOW Russia phone: (7) 095 7265943/44 fax: (7) 095 9377712 e-mail: [email protected]

TENARIS GLOBAL SERVICES Voznesenskiy Lane 20 - Stroyenie 3 (103009) MOSCOW Russia phone: (7) 095 502 1630 fax: (7) 095 937 7713 e-mail: [email protected]

TECHINT INTERNATIONAL CONSTRUCTION CORP. (TENCO) Sh. Khalifa Street Bin Hamoodah Building P.O. Box 203 ABU DHABI United Arab Emirates phone: (971) 2 6276600 fax: (971) 2 6276150

TECHINT INTERNATIONAL CONSTRUCTION CORP. (TENCO) 707, 7th Floor P.O. Box 15160 Part 1 - Manama Center Bldg. Bahrain Phone: (973) 17 212686 Fax: (973) 17 212320

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ADDRESSES

RUSSIA

Salah Din Road Sheikh Saudi Building - Siute 601 - 6th Floor P.O. Box 27581 DUBAI United Arab Emirates phone: (971) 4 2725394 fax: (971) 4 2725392 e-mail: [email protected]

UNITED KINGDOM TENARIS GLOBAL SERVICES Regent Centre, Regent Road (AB11 5NS) ABERDEEN, Scotland United Kingdom phone: (44) 1224 587 889 fax: (44) 1224 587 422 Myson House, Railway Terrace (CV213HT) Warwickshire RUGBY United Kingdom phone: (44) 1788 862740 fax: (44) 1788 862741 e-mail: [email protected] Herald House Lambs Passage Off Bunhill Row (EC1Y 8LE) LONDON United Kingdom phone: (44) 20 7256-5920 fax: (44) 20 7256-5928

CARE OF QUALITY TUBES Wellingtone House Bean Road, COSELY (WV149EE) West Midlands United Kingdom phone: (44) 1902 665288 fax: (44) 1902 665263

TENARIS GLOBAL SERVICES 2200 West Loop South, 8th Floor (77027) HOUSTON, Texas USA phone: (1) 713 767-4400 fax: (1) 713 767-4444 e-mail: [email protected]

UZBEKISTAN TECHINT UZBEKISTAN Operative Office: 30, kh Abdullaev street (700007) TASHKENT Republic of Uzbekistan phone: (998) 712 677168/1690049 fax: (998) 712 677168 e-mail: [email protected]

VENEZUELA TECHINT INTERNATIONAL CONSTRUCTION CORP. (TENCO) Av. La Estancia - Edificio General - Piso 9° (1061) Chuao, CARACAS Venezuela phone: (58) 212 902-3992/3993 fax: (58) 212 902-3982 e-mail: [email protected]

TENARIS GLOBAL SERVICES

URUGUAY TECHINT - COMPAÑIA TECNICA INTERNACIONAL S.A.C.I. Rincón 487 - Of. 403 Edificio Artigas (11200) MONTEVIDEO R.O. del Uruguay phone: (598) 2 915-7669 fax: (598) 2 915-8799 e-mail: [email protected]

USA SIDERAR 4511 Brittmoore Road (77041) HOUSTON, Texas USA phone: (1) 713 767-4440 fax: (1) 713 767-4488

TECHINT INC. 420 Fifth Avenue - 18th Floor NEW YORK, N.Y. 10018-2702 USA phone: (1) 212 376-6500 fax: (1) 212 376-6600

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Av. La Estancia - Edificio La General - Piso 9° (1061) Chuao, CARACAS Venezuela phone: (58) 212 902-3939 fax: (58) 212 902-3691 e-mail: [email protected]