John B. McShane

Level 3GC Ltd. operates as a global communications service provider. It offers data, voice and collaboration services to the companies in the Fortune 500, as well as carriers, mobile operators and Internet service providers around the world. The company offers telecommunication solutions, including broadband, voice, data, multimedia communications, readily accessible audio, video and web-conferencing. It serves Latin American businesses through its operations in Argentina, Brazil, Chile, Colombia, Ecuador, Panama, Peru, Mexico, Venezuela, the United States and the Caribbean region. The company was founded in March 1997 and is headquartered in Hamilton, Bermuda.

Centurylink Communications UK Ltd. provides telecommunication solutions. It offers data, Internet protocol and VoIP services to the government, public sector organizations, corporations, and other communications companies. The company was founded on April 25, 1990 and is headquartered in London, the United Kingdom.

Shearman & Sterling LLP provides legal services. It specializes in appellate litigations, capital markets, corporate governance, environmental, finance, international arbitration, investment funds, litigation, mergers and acquisitions, privatization, real estate, and tax. The company was founded by Thomas Shearman in 1873 and is headquartered in New York, NY.

Cadwalader, Wickersham & Taft LLP provides legal services to financial institutions and corporations, government entities, charitable and health care organizations and individual private clients. It was founded in 1792 and is headquartered in New York, NY.

CenturyLink Impsat Holdings I Ltd. provides telecommunication services. It is a subsidiary of Global Crossing Ltd. The company is headquartered in London, the United Kingdom.

Simpson Thacher & Bartlett LLP provides legal services. Its areas of practices include corporate, litigation, banking and credit, capital markets, mergers and acquisitions, real estate, private funds, intellectual property, restructuring and bankruptcy, and tax. The firm serves the energy, financial services, healthcare, insurance and reinsurance, technology, retail, defense, education and transportation industries. The company operates through its offices located in Beijing, Hong Kong, Houston, London, Los Angeles, New York, Palo Alto, São Paulo, Seoul, Tokyo and Washington, DC. Simpson Thacher & Bartlett was founded in 1884 and is headquartered in New York, NY.

Fibernet UK Ltd. provides telecommunications services. The company was founded in 1994 and is headquartered in London, GB.

Global Crossing (UK) Finance Plc currently has no operations. The company was formed as a wholly owned subsidiary of Global Crossing (UK) Telecommunications Ltd. for the purpose of facilitating the issuance of the initial notes. The company was founded on October 22, 2004 and is headquartered in London, the United Kingdom.