Pepco Holdings, Inc. (NYSE:POM) has been named a Platts Top 250 Global Energy Company. Platts announced the 2010 Top 250 list in Singapore on Nov. 2 during Singapore International Energy Week.

?PHI has been recognized in the past year by several rating organizations for its performance in individual aspects of corporate, environmental and energy sector performance,? said Joseph M. Rigby, Chairman, President and CEO of Pepco Holdings, Inc. (PHI). ?I consider the company's Platts Top 250 ranking to be a significant endorsement of the overall direction our management team has mapped out for the company, and a measure of how successful we have been in meeting our targets along the way.?

PHI ranked 18 in Electric Utilities in the Americas; 48 in Electric Utilities worldwide; and 71 in overall performance of companies in all sectors in the Americas. All the companies ranked had assets greater than $2 billion.

Platts is the leading global provider of energy and metals information and publishes news, research, commentary, market data and analysis. Platts' rankings ?are based on four key metrics: asset worth; revenues; profits; and return on invested capital.? The rankings use fundamental and market data from a division of Standard & Poor's, which – like Platts – is a division of the McGraw-Hill Companies.

More information on Platts Top 250 Global Energy Company Awards is available at www.platts.com.

Pepco Holdings, Inc. (NYSE: POM) is one of the largest energy delivery companies in the Mid-Atlantic region, serving about 1.9 million customers in Delaware, the District of Columbia, Maryland and New Jersey. PHI subsidiaries Pepco, Delmarva Power and Atlantic City Electric provide regulated electricity service; Delmarva Power also provides natural gas service. PHI also provides retail energy savings and renewable services through Pepco Energy Services.

Pepco Holdings, Inc.
Media Contact:
M.B. Hutchinson, 202-872-2691
mbhutchinson@pepco.com
or
Investor Contact:
Donna Kinzel, 302-429-3004
donna.kinzel@pepcoholdings.com