Luminant Provides Much-Needed Generation During ERCOT Energy Emergency Alert

Dallas -

Luminant's dedicated team of 4,000-plus employees worked diligently throughout ERCOT's level two energy emergency alert today to generate much-needed electricity for the state of Texas.

All of Luminant's baseload power plant units were available for generation, including two nuclear units, 12 lignite-fueled units and multiple peaking natural gas units.

Today marks the third consecutive day ERCOT has issued an energy emergency alert and the first time this summer the alert status has been upgraded to a level two.

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About Luminant

Luminant, a subsidiary of Energy Future Holdings Corp., is a competitive power generation business, including mining, wholesale marketing and trading, and development operations. Luminant has more than 15,400 megawatts of generation in Texas, including 2,300 MW fueled by nuclear power and 8,000 MW fueled by coal. The company is also the largest purchaser of wind-generated electricity in Texas and fifth largest in the United States. EFH is a Dallas-based energy holding company that has a portfolio of competitive and regulated energy subsidiaries, primarily in Texas. Visit www.luminant.com or www.energyfutureholdings.com for additional information.

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