Summary of NRG ENERGY, INC.

Entry into a Material Definitive Agreement, Financial Statements and Exhibits

Item 1.01 Entry into a Material Definitive Agreement.

On March 2, 2009, NRG Energy, Inc., or NRG, announced that, acting through its wholly owned subsidiary, NRG Retail LLC, or NRG Retail, it has entered into a membership interest purchase agreement with Reliant Energy, Inc., or Reliant, with respect to the Texas electric retail business operations of Reliant, or Reliant Retail, for a purchase price of $287.5 million. NRG will also guarantee certain obligations of NRG Retail in connection with the purchase. NRG expects to close the transaction in the second quarter of 2009. The transaction is subject to customary closing conditions and regulatory approvals, including pre-merger notification under the Hart-Scott-Rodino Act and cancellation of a FERC market-based rate tariff.

As part of the purchase, Reliant Energy Power Supply, LLC ("REPS") will continue Reliant Retail's obligations under an amendment and restatement of its existing credit sleeve agreement and Reliant Energy Retail Holdings, LLC ("RERH") will continue Reliant Retail's obligations under an amendment and restatement of its working capital facility with Merrill Lynch. In accordance with the credit sleeve agreement, Merrill Lynch will provide on behalf of REPS guarantees and the posting of collateral to counterparties in existing and certain future supply and hedging transactions. The credit sleeve arrangement is limited to a term of 18 months. Borrowings under the amended and restated working capital facility will be limited to a maximum of $50,000,000 and will bear interest at LIBOR plus 3.75%. Loans under the working capital facility will mature on the 91st day after the termination date of the credit sleeve agreement. The obligations of REPS under the credit sleeve agreement and RERH under the working capital facility will be secured by first liens on substantially all of the assets of REPS and RERH, respectively, and their respective subsidiaries. The obligations of REPS under the credit sleeve agreement and RERH under the working capital facility are non-recourse to NRG Energy and its other subsidiaries.

The membership purchase agreement and credit sleeve agreement will be filed as exhibits to NRG's Quarterly Report on Form 10-Q for the quarter ended March 31, 2009.