P. Mathew Verghese

A subsidiary of Lehman Brothers Holdings, Inc., Lehman Brothers, Inc. is a broker/dealer headquartered in New York City. They provide global equity and fixed research. The equity research department covers more than 100 sectors. They use a fundamental, quantitative, strategic and tactical research approach. In addition to these Lehman has also developed special products, such as 10 uncommon values and 10 uncommon eurovalues.

Global Geophysical Services, Inc. engages in the provision of seismic data solutions to the global oil and gas industry. Its seismic data solutions primarily consists of seismic data acquisition, microseismic monitoring, processing, and interpretation services. The company also owns and markets a growing seismic data library and licenses this data to clients on a non-exclusive basis. The company was founded by Richard A. Degner and Craig A. Lindberg on June 18, 2003 and is headquartered in Missouri City, TX.

AutoSeis, Inc. develops and manufactures nodal recording systems for data acquisition programs, conceivable environments, and energy companies worldwide. The company is headquartered in Houston, TX.

Arthur Andersen LLP used to provide accounting services. It was also into consulting services for clients that operate businesses throughout the United States and around the world. Arthur Andersen was founded in 1913 and was headquartered in Chicago, IL.

Barclays Capital, Inc. is a registered broker/dealer headquartered in New York City. The firm was founded in 1997 and is a subsidiary of Barclays Group US, Inc., ultimately owned by Barclays plc (LON: BARC) in Great Britain. Barclays Capital provides large corporate, government and institutional clients a full spectrum of prime brokerage services which includes equities and fixed income financing, OTC Clearing, Futures and Foreign Exchange Prime Brokerage and access to industry insights and analytics from their Strategic Consulting team.

EC Outlook, Inc. provides e-Commerce software solutions used in the management of supply chains and in the construction of private trading networks. EC Outlook products and services that enable companies of all sizes to connect with one another to easily share the information. The company was founded by Mark Kingston in 1999 and is located in Houston, TX.

Part of BearingPoint GmbH, Andersen Business Consulting (France) provides management consulting services. The company is based in Paris, France. Andersen Business Consulting (France was acquired by BearingPoint, Inc. from Arthur Andersen LLP on September 12, 2002.