NRG and GenOn Complete Merger, Creating Nation's Largest Competitive Power Generator

—Combined company has about 47,000 megawatts of generating capacity comprised of nearly 100 generating facilities in 18 states —

PRINCETON, N.J. & HOUSTON--NRG Energy, Inc. (NYSE: NRG) and GenOn Energy, Inc. (NYSE: GEN) have completed their merger effective today, creating the largest competitive power generator in the United States. NRG now has a diverse fleet of almost 100 generation assets with a total capacity of approximately 47,000 megawatts (MW) concentrated in three domestic regions: East, Gulf Coast and West.

"Today, we usher in a new era of scale and scope in the American power industry, creating additional value for our shareholders and enhancing our ability to serve our growing retail energy customer base with safe, affordable and reliable power," said David Crane, NRG's President and CEO.

In connection with the consummation of the merger, GenOn Energy stockholders will receive a fixed ratio of 0.1216 shares of NRG common stock for each share of GenOn common stock, except that cash will be paid in lieu of fractional shares. GenOn common stock will cease being traded prior to the market opening Monday, Dec. 17, and will no longer be listed on the New York Stock Exchange.

With the merger completed, NRG is now dual headquartered, with financial and commercial headquarters in Princeton and operational headquarters in Houston. The combined fleet of conventional and renewable power generation facilities produced more than 104 terawatt-hours (TWh) of electricity in 2011 and can supply nearly 40 million homes.

About NRG Energy

NRG is at the forefront of changing how people think about and use energy. We deliver cleaner and smarter energy choices for our customers, backed by the nation's largest independent power generation portfolio of fossil fuel, nuclear, solar and wind facilities. A Fortune 300 company, NRG is challenging the U.S. energy industry by becoming the largest developer of solar power, building the first privately-funded electric vehicle charging infrastructure, and providing customers with the most advanced smart energy solutions to better manage their energy use. In addition to 47,000 megawatts of generation capacity, enough to supply nearly 40 million homes, our retail electricity providers – Reliant, Green Mountain Energy and Energy Plus – serve more than two million customers. More information is available at Connect with NRG Energy on Facebook and follow us on Twitter @nrgenergy.

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