Engineers India Limited(EIL) provides engineering and related technical services for petroleum refineries and other industrial projects. In addition to petroleum refineries, with which EIL started initially, it has diversified into and excelled in other fields such as pipelines, petrochemicals, oil and gas processing, offshore structures and platforms, fertilizers, metallurgy and power. EIL provides the complete range of services needed to conceptualise, design, engineer and construct projects to meet the specific requirements of its clients.

Vintage Petroleum Inc. is an independent energy company engaged in the acquisition, development and marketing of and the exploration for crude oil and natural gas. Vintage’s acquisition strategy is to acquire producing properties with significant upside potential at competitive costs. Through development activities, the Vintage staff unlocks the upside potential of acquired properties, increasing production and adding reserves.

Pogo Producing Company is engaged in the exploration, development, and production of oil and natural gas. It owns interests in major oil and gas producing areas offshore and onshore in the United States and in New Zealand.

Petroplus International specializes in oil refining, storage, and marketing. The company owns refineries in Antwerp, Belgium; Cressier, Switzerland; and Teesside, England. These refineries have a total capacity of 240,000 barrels per day.

NRG Energy, a leading competitive energy provider was founded in 1989. NRG owns and operates a variety of energy-related operations worldwide. It has one of the industry’s most diverse generation portfolios, distinguished by its range in geography, fuel source and dispatch level.

Precision Drilling Corporation is the leading provider of contract drilling services to the Canadian oil and gas industry. It offers both integrated service contracts for international-development projects as well as a broad range of discrete services such as contract drilling, with a diverse, well maintained fleet of more than 220 land rigs and skilled personnel to drill at any depth.

PetroKazakhstan Inc. is a vertically, integrated, international energy company. It is engaged in the acquisition, exploration, development and production of oil and gas, refining of oil and the sale of oil and refined products.

Enagás is the leading gas transporting company in Spain. Its assets include more than 6,000 km.of high-pressure gas pipes, three regasification plans (Barcelona, Cartagena and Huelva) and ownership or management of natural gas storage places.

Penn West Energy Trust is a Canadian senior independent oil and natural gas energy trust whose over 700 field personnel and head office employees are committed to maximizing unitholder value over the long term. Penn West’s track record of success has been achieved through a balance of successful drilling on internally generated prospects and through cost effective acquisitions.

Noble Energy is a leading global oil and gas exploration and production company.The company is noted for its substantial domestic oil and gas assets, located primarily offshore in the Gulf of Mexico and onshore in the Gulf Coast region. Noble Energy has also been an innovator by expanding internationally in non-traditional markets with significant economic potential and long reserve lives.

Santos is a major Australian oil and gas exploration and production company with interests and operations in every major Australian petroleum province and in the United States, Indonesia, Papua New Guinea and Egypt. Santos is Australia’s largest onshore gas producer, supplying sales gas and ethane to all mainland Australian states and territories, and selling oil and liquids to domestic and international customers.

Newfield Exploration Company is an independent crude oil and natural gas exploration and production company. Its domestic areas of operation include the Gulf of Mexico, the onshore U.S. Gulf Coast, the Anadarko and Arkoma Basins and the Rocky Mountains. The international areas of operation include offshore Malaysia, the North Sea, China’s Bohai Bay and offshore Brazil.

GlobalSantaFe is a leader in the contract drilling industry, representing a powerful balance of geographic reach, technologically advanced equipment, highly experienced personnel, a quality client base, and a strong balance sheet.It is the only drilling contractor that gives its customers the option of purchasing from a full spectrum of drilling expertise.

Dynegy provides electricity, natural gas and natural gas liquids to markets and customers throughout the United States. Through its energy businesses, Power Generation and Natural Gas Liquids, the company owns and operates a diverse portfolio of assets, including power plants totaling approximately 13,000 megawatts of net generating capacity and gas processing plants that process approximately 1.6 billion cubic feet of natural gas per day.

Smith International makes premium drill bits, drilling fluids, and related products and, via its Smith Services unit, offers drilling-related services. Its M-I SWACO unit sells fluids used to cool and lubricate drill bits and prevent pipes from clogging. M-I owns sites from which it mines some of the barite and bentonite used to make drilling fluids. Smith International’s Wilson business provides pipes and fittings, tools, and maintenance and janitorial supplies, primarily to oil and mining companies.

Hellenic Petroleum is Greece’s largest company. Hellenic Petroleum operates three refineries: at Aspropyrgos and Thessaloniki in Greece and Skopje in Macedonia. It also operates 1,400 gas stations in Greece and 300 in Albania, Georgia, and Macedonia. Its other businesses include petrochemical production, oil and gas exploration, and infrastructure engineering.

Pioneer Natural Resources Company operates as an oil and gas exploration, and production company. The company produces oil, natural gas liquids, and gas. Its properties primarily include Hugoton field located in southwest Kansas; West Panhandle field in the panhandle region of Texas; and Spraberry field located in west Texas. The company has operations principally in the United States, Argentina, Canada, Gabon, South Africa, and Tunisia. As of December 31, 2004, the company’s proved reserves totaled 1.0 billion barrel of oil equivalent. Pioneer Natural Resources was formed through the merger of Parker & Parsley Petroleum Company and MESA, Inc. in 1997. The company is headquartered in Dallas, Texas.

Tenaris is a leading global manufacturer and supplier of seamless steel pipe products and provider of pipe handling, stocking and distribution services to the oil and gas, energy and mechanical industries. It is also a leading regional supplier of welded steel pipes for gas pipelines in South America. With manufacturing facilities in Argentina, Brazil, Canada, Italy, Japan, Mexico, Romania and Venezuela and a network of customer service centers in over 20 countries, Tenaris has an annual production capacity of 3.3 million tons of seamless, and 850 thousand tons of welded pipes, annual consolidated net sales in excess of US$ 4 billion and 16,500 employees worldwide.

BJ Services is a recognized world wide leading provider of services to the petroleum industry. With locations in over 50 countries BJ offers the opportunity to see the world. BJ Services Company is listed on the New York Stock Exchange and its common stock trades under the symbol “BJS”. The Company’s core business comprises cementing, stimulation, downhole tools and coiled tubing services worldwide. BJ also provides tubular services, process and pipeline services, and specialty chemical services in selected geographic markets.

Cosmo Oil is Japan’s #3 oil refiner (behind Nippon Oil and Idemitsu Kosan) and a major petroleum distributor. Cosmo Oil has four refineries; it markets its products through a network of 340 dealers and more than 5,040 Cosmo gas stations. The company imports crude oil from the Middle East and Australia and has affiliates in Singapore, Taiwan, the UK, and the US. With its industry rapidly consolidating, Cosmo Oil is streamlining operations. The company is pruning back its chain of service stations, and it has formed a refining and distribution joint venture with Nippon Oil that controls 40% of Japan’s oil refining market.

Tesoro Corporation is a FORTUNE 500 company headquartered in San Antonio, Texas, with 2003 annual revenues of approximately $9 billion, assets of nearly $4 billion, and more than 3,500 employees.

Tesoro is a leading independent refiner and marketer of petroleum products, operating six refineries in the Western United States with a combined rated crude oil capacity of nearly 560,000 barrels per day. Tesoro’s retail-marketing system includes over 500 branded retail stations, of which more than 200 are company-operated under the Tesoro and Mirastar brands.

The Nabors companies own and operate almost 600 land drilling and 970 land workover and well-servicing rigs worldwide. Offshore, Nabors operates 44 platforms, 17 jack-ups, and three barge rigs in the domestic and international markets. Nabors markets 30 marine transportation and support vessels, primarily in the US Gulf of Mexico. In addition, Nabors manufactures top drives and drilling instrumentation systems and provides comprehensive oilfield hauling, engineering, civil construction, logistics and facilities maintenance, and project management services. Nabors participates in most of the significant oil, gas and geothermal markets in the world.

The mission of Inpex Corporation is to secure a stable supply of oil and natural gas for Japan, a nation that is poor in energy resources. The company was established in 1966 as a pioneering Japanese company promoting the development of oil resources in foreign countries. Over the course of its history, it has overcome many difficulties, and since 1970, it has discovered a number of large oil and gas fields in Indonesia. Thanks to the solid financial foundation secured through those discoveries, it has been diversifying the geographical scope of the activities throughout the world with the great changes in the business environment surrounding oil - including the two oil crises of the 1970s, the Gulf War, and the collapse of the Soviet Union. As a result, it has now steadily and actively been engaged in petroleum exploration and development in many promising regions of the world: in Indonesia and Australia as its core areas as well as in Central Asia, the Caspian Sea, the Middle East and South America.

Weatherford International Ltd. is one of the leading oilfield service companies in the world. Since its beginning in 1941 as the Weatherford Spring Company, it has maintained a culture of service and innovation. The capabilities span the drilling, completion and production cycles of oil and gas. In total it employs more than 17,000 people in more than 500 locations across more than 100 countries.

The Weatherford of today was formed in 1998 from the merger of EVI, Inc., a leading manufacturer of drill stem products, premium tubulars, completion products and artificial lift systems, and Weatherford Enterra, Inc., a leading provider of drilling and cementing products, well installation and intervention services, and compression products and services. Since the merger, the new Weatherford has rationalized and refocused itself on customer needs in the drilling, completion and production segments of the oil and gas industry. Acquisitions since the merger have added significantly greater technological and service capabilities to the product and service lines, particularly for underbalanced drilling services, expandable tubulars, intelligent well systems and production optimization systems.

With a workforce of 19,000 people worldwide, and annual revenues of about 5.1 billion euros, Technip ranks among the biggest full-service engineering and construction groups in the field of hydrocarbons and petrochemicals.

Resulting from the merger of two champions in their respective businesses, Technip is one of the most integrated groups providing engineering, technologies and construction services to the oil/gas and petrochemical industry worldwide. With over 40 years of experience in the design and construction of large industrial facilities, a wide range of state-of-the-art technologies and operational bases spread over the 5 continents, the Group is able to manage all aspects of major projects at optimized costs, from front end engineering design to turnkey delivery.

Transocean excels at constructing oil and natural gas wells in the deep waters and harsh environments. We provide rigs for all types of petroleum companies in offshore drilling markets that include the U.S. Gulf of Mexico and eastern Canada, Brazil, the U.K. and Norwegian sectors of the North Sea, West Africa, Asia, including Australia, the Middle East, India and the Mediterranean. Tthe company has approximately 8,500 employees worldwide.

Woodside is Australia’s largest publicly traded oil and gas exploration and production company with a market capitalisation of more than A$14 billion (at December 2004).

Woodside operates the North West Shelf Venture, Australia’s largest resource project. It also operates more than 75 joint ventures on behalf of 39 participants in Australia, Africa and the United States.

The company sells liquefied natural gas, natural gas, crude oil, condensate and liquid petroleum gas around the world.

With proved plus probable reserves of more than 1.3 billion barrels of oil equivalent, Woodside produces nearly 60 million barrels of oil equivalent a year.

The company was formed in 1954 and has its headquarters in Perth, Western Australia. It has more than 2500 staff.

Hindustan Petroleum is India’s second-largest oil refiner (Indian Oil is #1, Bharat Petroleum is #3) and accounts for nearly 20% of the country’s total refining capacity. The company has two major refineries — one in Mumbai (formerly Bombay), the other in the southern Indian city of Visakhapatnam — and produces lubricating oil, aviation fuel, greases, and light diesel oil. Hindustan Petroleum also operates a joint venture refinery at Mangalore. The refining juggernaut’s other businesses include a pipeline and 4,860 gas stations and 1,640 kerosene distributors throughout India.

Oil refiner PKN Orlen has established a joint venture with Dutch concern Basell Europe Holdings to produce plastics for both the domestic and export markets, the companies announced in a statement.

The decision to join forces should be profitable for both partners. PKN Orlen wants not only to expand its core business in oil processing and fuel production, but also to develop operations in new areas such as the production of plastics. The new company will become a launch pad, making it possible for the Dutch corporation to take a strategic position in central and eastern Europe, where demand for plastics is growing. The Polish market has a shortage of polyolefins, which are the starting material for the manufacture of many plastics necessary for industry and everyday life.

XTO Energy, Inc. principally engages in the acquisition, development, exploitation, and exploration of producing oil and gas properties in the southwestern and central United States. It also engages in the production, processing, marketing, and transportation of oil and natural gas. The company’s production and exploration activities are concentrated in Texas, Oklahoma, Arkansas, Kansas, New Mexico, Colorado, Wyoming, Alaska, and Louisiana. As of December 31, 2003, XTO Energy had estimated proven reserves of 3.6 trillion cubic feet of natural gas, 34.7 million barrels of natural gas liquids, and 55.4 million barrels of oil. It also owned interests in 11,364 gross (5,633.6 net) wells. The company was co-founded by Bob R. Simpson and Steffen E. Palko in 1986. It was formerly known as Cross Timbers Oil Company and changed its name to XTO Energy, Inc. in June 2001. XTO Energy is headquartered in Fort Worth, Texas.

EOG Resources, Inc. operates as an independent oil and natural gas company in the United States. The company, together with its subsidiaries, engages in the exploration, development, production, and marketing of natural gas and crude oil primarily in the United States, Canada, offshore Trinidad, and the United Kingdom North Sea. As of December 31, 2004, the company’s total estimated net proven reserves were 5,647 billion cubic feet equivalent of which natural gas reserves were 5,047 billion cubic feet; and crude oil, condensate, and natural gas liquids reserves were 100 million barrels.

Chesapeake Energy Corporation engages in the acquisition, development, exploration, production, and marketing of oil and natural gas in the United States. It primarily operates in the mid continent region of the United States, which includes Oklahoma, western Arkansas, southwestern Kansas, and the Texas Panhandle. The company also has operations in the Permian Basin of western Texas and eastern New Mexico, in the Ark-La-Tex basin of eastern Texas and northern Louisiana, and in the south Texas and Texas Gulf coast regions. As of December 31, 2004, the company’S estimated proved reserves were 4.9 trillion cubic feet of natural gas equivalent and owned interests in approximately 19,800 producing wells.

Tatneft engages in the exploration, development, production, and marketing of crude oil in Russia. All of its production and other operations are located in Tatarstan, a republic of Russia situated between the Volga River and the Ural Mountains, and located approximately 750 kilometers southeast of Moscow. In addition to crude oil production, the company has diversified its operations by building up refining capabilities; developing a network of retail service stations; creating a petrochemicals holding division centered around Russia’s tire producer OAO Nizhnekamskshina.

Bharat Petroleum Corporation Limited (BPCL) is a modern refining and distribution company. It vies with Hindustan Petroleum for the #2 slot behind Indian Oil. The company processes petroleum and petroleum products; its refinery in Mumbai processes 260,000 barrels of crude per day. BPCL sells engine oils and gasolines for autos, liquefied petroleum gas (LPG) and kerosene for the domestic sector, and feedstock and fuels for industry. It has 4,562 gas stations, some 970 kerosene dealers, and 1,600 LPG distributors.

El Paso Corporation provides natural gas and related energy products in a safe, efficient, dependable manner. It owns North America’s largest natural gas pipeline system and one of North America’s largest independent natural gas producers.

Nexen, is a globe-trotting oil and gas and chemicals company. It has exploration and production activities in Australia, Brazil, Canada, Colombia, Indonesia, Nigeria, Yemen, and the Gulf of Mexico. The company has proved reserves of 843 million barrels of oil equivalent. Its Nexen Chemicals subsidiary (formerly CXY Chemicals) sells sodium chlorate, chlorine, and caustic soda-bleaching chemicals to the paper and water-purification industries.The group is also involved in power marketing in North America and Southeast Asia. The former CanadianOxy adopted the Nexen name after buying the stake in the company held by US-based oil giant Occidental Petroleum.

Nippon Mining Holdings (formerly Japan Energy) has reorganized its operations into a holding company structure. Subsidiary Japan Energy has oil refineries in Chita (Okayama), and Mizushima (Aichi) in Japan. It markets petroleum products through more than 4,950 JOMO (Joy of Motoring) service stations. Subsidiary Nippon Mining & Metals operates nonferrous metal mines in Asia and South America. Nippon Mining Holdings also makes electronic materials, pharmaceuticals, and biotechnology products. The company’s other operations include transportation, convenience stores, car rentals, and information services.

Ashland operates through two divisions. The Chemicals unit consists of three subsidiaries. Ashland Distribution buys chemicals and plastics, then blends and repackages them for distribution in Europe and North America. Ashland Specialty Chemical makes specialty resins and polymers, adhesives, and chemicals for water treatment. Valvoline operates an oil-change chain (more than 600 outlets) and markets Valvoline motor oil and Zerex antifreeze. APAC makes up the Transportation and Construction unit and supplies asphalt and highway materials, but makes most of its money from building bridges and paving streets, primarily in the southern and Midwestern US.

Premcor Inc. is an independent petroleum refiner and supplier of unbranded transportation fuels, heating oil, petrochemical feedstocks, petroleum coke and other petroleum products in the United States. The Premcor Refining Group Inc. (PRG) is an indirect, wholly owned subsidiary of Premcor and is the principal operating subsidiary of Premcor. PRG owns and operates four refineries that are located in Port Arthur, Texas; Memphis, Tennessee; Lima, Ohio, and Delaware City, Delaware, with a combined crude oil volume processing capacity, known as throughput capacity, of approximately 800,000 barrels per day (bpd). The Company sells petroleum products in the Midwest, the Gulf Coast, Northeastern and Southeastern United States. On May 3, 2004, the Company announced that it completed the purchase of the Delaware refining complex from Motiva Enterprise LLC.

Talisman Energy hopes its efforts to develop hydrocarbon projects worldwide will work like a charm. Canada’s largest independent oil and gas exploration and production company, Talisman is active in Southeast Asia, North America, and the North Sea. It also explores in North Africa and in Latin America and the Caribbean region. Talisman has proved reserves of 1.5 billion barrels of oil equivalent and a production rate of 438,000 barrels of oil equivalent per day. The company sold its Sudan assets to India’s Oil and Natural Gas Corp. and bought oil and gas assets in Upper New York State in 2003. Talsiman acquired Norwegian company Pertra, formerly a unit of Petroleum Geo-Services, for $155 million in 2005.

Murphy Oil explores for and produces oil and gas primarily in the Gulf of Mexico and in western Canada, Ecuador, Malaysia, and the North Sea. It has proved reserves of 202.8 million barrels of oil and 268.8 billion cu. ft. of natural gas. Murphy Oil owns pipelines and two refineries in the US; it has a 30% interest in a UK refinery. It sells refined products in the US through a network of 366 SPUR (wholesale) and 752 Murphy USA (retail) gas stations. Murphy Oil’s 358 UK stations operate primarily under the MURCO brand. Most of its US retail stations are located in the parking lots of Wal-Mart stores. Murphy Oil is expanding its retail network to Wal-Mart stores in Canada.

Halliburton Company is an oilfield services company, and a provider of engineering and construction services. The Company provides services, products, maintenance, engineering and construction to energy, industrial and governmental customers. Its six business segments are Production Optimization, Fluid Systems, Drilling and Formation Evaluation, Digital and Consulting Solutions, collectively the Energy Services Group, and Government and Infrastructure, and Energy and Chemicals, collectively known as KBR. In August 2004, the Company sold its surface well testing and sub-sea test tree operations to Power Well Service Holdings, LLC. In January 2005, the Company emerged out of the chapter 11 proceedings and can operate the businesses without Bankruptcy Court supervision.

Baker Hughes Incorporated (Baker Hughes) is engaged in the oilfield services industry. The Company supplies wellbore-related products and technology services and systems to the oil and natural gas industry on a worldwide basis, including products and services for drilling, formation evaluation, completion and production of oil and natural gas wells. Baker Hughes conducts part or all of its operations through subsidiaries, affiliates, ventures, partnerships or alliances. It has seven operating divisions: Baker Atlas, Baker Hughes Drilling Fluids, Baker Oil Tools, Baker Petrolite, Centrilift, Hughes Christensen and INTEQ that have been aggregated into the Oilfield segment. The Oilfield segment also includes the Company’s 30% interest in WesternGeco, a seismic venture it entered into with Schlumberger Limited (Schlumberger), as well as other investments in affiliates.

Enbridge Gas Distribution provides service to customers in the City of Toronto and the greater Toronto areas of Peel, York and Durham regions, as well as the Niagara Peninsula, Ottawa, Brockville, Peterborough, Barrie and many other Ontario communities. In 2004, Enbridge Gas Distribution distributed an average of over 1 billion cubic feet of natural gas per day (approximately 450 billion cubic feet for the full year).

Nippon Oil (formerly Nippon Mitsubishi Oil), the country’s largest oil importer and distributor. The company became top dog when Nippon Oil bought Mitsubishi Oil in 1999; the combined entity leapfrogged Idemitsu Kosan to become Japan’s #1 refiner. Nippon Oil operates seven refineries with a total capacity of more than 1.2 million barrels per day. It has exploration activities in Canada, the Gulf of Mexico, the North Sea, South America, Australia, and Southeast Asia. Nippon Oil, which has a 25% share of the Japanese gasoline market, operates 11,000 service stations across Japan. The company has a broad cooperation pact with Cosmo Oil.

A leading independent oil refiner and marketer, Sunoco has screened its operations, shed nonperforming ones, and buffed the others in hopes that the sun will shine on future profits. The company operates five refineries, which have a combined processing capacity of 900,000 barrels of crude oil a day, and it has 4,300 miles of pipelines and 38 product terminals. It markets its Sunoco gasoline through more than 4,800 retail outlets (including Ultra Service Centers and APlus convenience stores), primarily in the Northeast and upper Midwest. Sunoco also produces lubricants and mines coal for coke processing, and operates a chemicals business.

Oil and Chemicals group OMV is Austria’s largest industrial company. It explores for natural gas and crude oil, refines crude oil, and imports, transports, and stores gas. A leading oil and gas company in Central and Eastern Europe, OMV has proved reserves of 410 million barrels of oil equivalent. With petroleum products marketed through OMV gas stations and direct distributors, OMV has a 14% retail market share in Central and Eastern Europe. The company also makes plastics (it owns geotextile producer Polyfelt) and chemicals (fertilizers and melamine).

Formosa Petrochemical handles the production of ethylene and other essential petrochemical raw materials. The Company also involves in oil refinery such as crued oil and establish public utility centers for electricity generation. Products include ethylene, dilute ethylene, liquefied petroleum gas (LPG), gasoline, engine oil, as[halt, diesel, aviation fuel, kerosene, fuel oil, naphtha, propylene, butadiene, sulfur, sulfuric acid, hydrogen, jet fuel and other.

MOL Hungarian Oil and Gas Company is a leading integrated oil and gas group in Central and Eastern Europe and the largest company in Hungary by sales revenues.

It is a market leader in each of our core activities in Hungary. The main objective is to provide superior levels of shareholder return by fully exploiting our market potential, by implementing a dynamic development and expansion strategy and by realizing where possible the potential for further internal efficiency improvements. MOL shares are listed on the Budapest and Luxembourg Stock Exchanges and traded on London`s SEAQ International system.

Husky Energy, has emerged as one of Canada’s largest oil and gas enterprises. The company’s main energy assets are in Alberta and Saskatchewan; it has proved reserves of about 430 million barrels of oil and more than 2 trillion cu. ft. of natural gas. The firm has about 500 gas stations in Canada, as well as heavy oil upgrader Lloydmaster. In 2003 Husky acquired Marathon Oil’s Canadian unit for $588 million. Hong Kong billionaire Li Ka-shing and his flagship company, Hutchison Whampoa, each own 35% of Husky Energy. Li’s son Victor is a co-chairman of Husky Energy.