Aziz Yahyai

Nigerian National Petroleum Corp. produces crude petroleum and natural gas. It also engages in exploration activities, refining, and products transportation as well as marketing. The company was founded on April 1, 1977 and is headquartered in Abuja, Nigeria.

UBS Securities LLC is an investment bank and registered broker/dealer headquartered in New York City. The firm was founded in 1998 as UBS Warburg LLC. They are a subsidiary of UBS Americas Holding LLC, ultimately held by UBS Group AG (SWX: UBSG, NYSE: UBS) in Switzerland. UBS Securities is a primary dealer in US Government securities and provides a full range of investment banking services which includes corporate finance, mergers and acquisitions, capital markets, trading and sales, fixed-income, equity research, private banking, underwriting and prime brokerage operations. The firm also provides advisory services and access to capital markets for corporate, institutional, intermediary and alternative asset management clients.

PVM Oil Associates Ltd. opened in 1980 with two employees and now, together with its sister company PVM Oil Futures Ltd., employs 90 people in its Jermyn Street office in London's West End. The company's commitment has been to provide a complete broking service for the oil industry. The London crude oil group has 15 brokers covering the Brent, WTI, Dubai, Urals, paper, physical and EFP markets. It has been the leading international team for over 25 years and has an unparalleled depth of experience. The options group has 5 brokers focusing on crude oil. The petroleum products group has 22 brokers covering LPG, naphtha, gasoline, jet fuel, gasoil and fuel oil. The broking teams have expertise on both the physical and swaps markets and the facility to call on input from the crude and futures groups to develop crack and margin business. The London broking operation is unique in the strength of its OTC crude, futures and products groups which combine to provide a unique service. No other group matches PVM's volume of business, depth of coverage or stability of staff.

International Energy Agency provides data, analysis, and solutions on all fuels and technologies. The company was founded in 1974 and is headquartered in Paris, France.