Copyright Wood Group ESP, Inc. - March, 2002

INTERNATIONAL OPERATIONS HEADQUARTERS International Operations 5500 S.E. 59TH Street (73135) P.O. Box 15070 (73155) Oklahoma City, Oklahoma Telephone: (405) 670-1431 (800) 723-3771 Facsimile: (405) 670-5463 E-mail: esp@woodgroup.com www.woodgroup.com

ASIA/PACIFIC Indonesia Duri PT. ESP Mulia Indonesia Jl..Raya Duri Pekanbaru KM 11 Balairaja Industrial Park Duri, 28884 Sumatra, Indonesia Telephone: +62-765-91924 765-91904 Facsimile: +62-765-91923 Indonesia Jakarta PT Mulia Graha Abadi Tifa Building, 5th floor Jalan Kuningan Barat 26 Jakarta 12710, Indonesia Telephone: +62-21-520-0033 Facsimile: +62-21-520-0999 Singapore 16 Benoi Sector Singapore, 62985 Telephone: +65-266-0016 Facsimile: 00000000000

EUROPE/AFRICA Wood Group ESP Montrose Way Dyce Aberdeen AB21 0JF United Kingdom Telephone: +44-1224-842959 Facsimile: +44-1224-842999

MIDDLE EAST

Saudi Arabia c/o Saudi Commercial Import PO Box 2271 AL-Khobar 31952 Saudi Arabia Telephone: +966-3-894-1700 Facsimile: +966-9-864-1819 Oman P.O. Box 104 Post Code 134 Jawaharat A Shatti Muscat Sultanate of Oman Telephone: +968-605501, 691091 Facsimile: +968-605784 Jebel Ali P.O. Box 17029 Dubai, United Arab Emirates Telephone: +971-4-8837595 Facsimile: +971-4-8837579

LATIN AMERICA Argentina (Buenos Aires) Reconquista 1016 Piso 6 Buenos Aires, Argentina (1003) Telephone: +54-11-4-311-9411 Facsimile: +54-11-4-311-2980 Argentina (Comodoro) Dalle Mura 150 Comodoro Rividavia (9000) Chubut Argentina Telephone: +54-297-446-8254 Facsimile: +54-297-447-8277 Brazil Rua Antonio Vita 65 Jardim Bonfiglioli CEP- 05593-080 Sao Paulo Brazil Telephone: +55-11-3731-2998/2999 Facsimile: +55-11-3731-2998

Venezuela (Barinas) Avenidad Cuatricentenario diagonal banco Provincial Antigua, sede Toyota Barinas, Venezuela Codigo Postal 5201 Telephone: +58-273-546 1241 546 1629, 546 2256 Facsimile: +58-273-546-2653 Venezuela (El-Tigre) Av La Paz Con Calle Paraiso Quinta Alida, A Dos Cuadras De Muevlensa El Tigrito. Edo Anzoategui, Venezuela Telephone: +58-8-355-0313 Facsimile: +58-8-355-0313 Venezuela (Maracaibo) Zona Industrial Segunda Etapa Parcelas S-28 y Sv-29 Km 6 via a Perija Sector El Callao, Municipio San Francisco Maracaibo, Venezuela Telephone: +58-261-736-2514 736-2532/736-3389 Facsimile: +58-261-736-1993

RUSSIA Moscow #8 Leningradsky Prospect Suite #307 Moscow, Russia Telephone: +7-502-937-6641 Facsimile: +7-502-937-6642

Copyright Wood Group ESP, Inc.- March, 2002

NORTH AMERICAN OPERATIONS

CORPORATE OFFICE MANUFACTURING PLANT: DOMESTIC OPERATIONS:

5500 S.E. 59TH Street (73135) 17 Kevin Rd (79706) P.O. Box 15070 (73155) P.O. Box 80130 (79708) Oklahoma City, Oklahoma Midland, Texas Telephone: (405) 670-1431 Telephone: (915) 699-7401 (800) 723-3771 (800) 749-7402 Facsimile: (405) 670-5463 Facsimile: (915) 699-4159 E-mail: esp@woodgroup.com www.woodgroup.com

SALES AND SERVICE LOCATIONS: Denver, Colorado Purcell, Oklahoma 4600 S. Ulster, Suite 260 (80237) 1739 Hardcastle. Blvd. (73080) Telephone: (303) 740-6721 P.O. Box 1680 (800) 535-0310 Telephone: (405) 527-1566 Facsimile: (303) 740-6722 (800) 256-5059 Facsimile: (405) 527-7161 or 9582 Artesia, New Mexico Andrews, Texas 509 Commerce Rd. (88210) 1700 S. W. Mustang Drive (79714) P.O. Box 1643 (88211) P.O. Box 947 Telephone: (505) 746-4614 Telephone: (915) 523-9701 Facsimile: (505) 746-4519 Facsimile: (915) 523-9700 Hobbs, New Mexico Houston, Texas 8426 North Dal Paso (88242) 19416 Park Row Suite 100 (77084) P.O. Box 596 (88241) Telephone: (281) 492-5100 Telephone: (505) 392-7999 or 7899 Facsimile: (281) 398-4816 Facsimile: (505) 392-8190 Snyder, Texas Casper Wyoming 2507 25th Street (79549) 1845 N. Oilfield Center (82604) P.O. Box 916 (79550) Telephone: (307) 234-4495 Telephone: (915) 573-9325 (800) 535-0306 Facsimile: (915) 573-1616 Facsimile: (307) 234-4497 Calgary, Alberta, Canada Cody, Wyoming 402-1015 4th Street S.W. (T2R 1J4) (307) 587-9026 Telephone: (403) 263-7166 Facsimile: (403) 263-7211 Laurel, Mississippi

45 Flowood Dr. (39443) Nisku, Alberta, Canada

Telephone: (601) 649-2030 (800) 488-9260

Facsimile: (601) 649-8819

404 22nd Avenue (T9E 7W8) Telephone: (780) 955-2165 (888) 586-8909

Facsimile: (780) 955-9487