Shareholders

Shareholders in Nodal Exchange include the following companies or their affiliates:

DC Energy, LLC
DC Energy is an investment firm that uses fundamental analysis to identify and value investments in the energy markets. It provides hedge instruments and liquidity to various participants, both physical and financial, with competitive pricing that benefits from a large portfolio having diversified risk. The company is selective in the markets in which it operates, with the objective of enabling robust, efficient and competitive markets. DC Energy has become a leading financial participant in each market they have decided to serve, including electric power and its derivatives, yielding consistent returns and prudently managed risk. DC Energy was founded in 2002 and is based in the metropolitan Washington, DC area. For more information about DC Energy, visit this Web site: www.dc-energy.com

Macquarie Energy LLC
Macquarie Energy LLC is an electricity and natural gas trading and marketing company servicing North American electricity generators, utilities, municipalities, cooperatives and other wholesale energy sector participants. Macquarie Energy's natural gas business provides gas supply, storage and transportation services, and hedging solutions to wholesale gas customers. Macquarie Energy has a customer-focused approach to the market, specializing in the delivery of hedging and risk management products designed to meet customer needs. Macquarie Energy is a member of the Macquarie Group. More information about Macquarie Energy is available at: www.Macquarie.com/us.

NextEra Energy Resources, LLC (an FPL Group company)
NextEra Energy Resources is a clean energy leader and one of the largest competitive energy suppliers in North America. A subsidiary of Juno Beach, Fla.-based FPL Group (NYSE: FPL), NextEra Energy Resources is the largest generator in North America of renewable energy from the wind and sun. It operates clean, emissions-free nuclear power generation facilities in New Hampshire, Iowa and Wisconsin as part of the FPL Group nuclear fleet, which is the third largest in the U.S. FPL Group had 2007 revenues of more than $15 billion, approximately 38,000 megawatts of generating capacity, and more than 15,000 employees in 27 states and Canada. For more information, visit these Web sites: www.NextEraEnergyResources.com, www.FPLGroup.com.