TXU Corp., a Dallas-based energy company, manages a portfolio of competitive and regulated energy businesses primarily in Texas. The competitive TXU Energy Holdings business segment includes the TXU Energy retail electricity sales operations, the TXU Power electricity generation operations, and the TXU Wholesale energy markets operations.¹ TXU Energy provides electricity and related services to 2.3 million competitive electricity customers in Texas, more customers than any other retail electric provider in the state. TXU Power has over 18,300 megawatts of generation in Texas, including 2,300 MW of nuclear and 5,837 MW of lignite/coal-fired generation capacity. The company is also one of the largest purchasers of wind-generated electricity in Texas and North America. TXU Wholesale optimizes the purchases and sales of energy for TXU Energy and TXU Power and provides related services to other market participants. TXU Corp.'s regulated business segment, TXU Electric Delivery, is an electric distribution and transmission business that complements the competitive operations, using superior asset management skills to provide reliable electricity delivery to consumers. TXU Electric Delivery operates the largest distribution and transmission system in Texas, providing power to 3 million electric delivery points over more than 100,000 miles of distribution and 14,000 miles of transmission lines. Visit www.txucorp.com for more information about TXU Corp.

¹ TXU Energy Holdings is managed as an integrated business; however, for purposes of operational accountability and performance management, the business segment has been divided into three operations, each of which is conducted through separate legal entities.