X0303 4 2010-07-01 0 0001135971 PEPCO HOLDINGS INC POM 0001282409 ROSS FRANK K 1115 30TH STREET NW WASHINGTON DC 07002 1 0 0 0 Common Stock 2010-07-01 4 A 0 728 A 14475 D Acquired in consideration for services, with the number of shares of common stock calculated by dividing the amount of meeting fees and/or retainer payable ($2,000 per meeting or that portion of the annual retainer of $85,000 and, if applicable, Committee Chairman annual retainer of either $5,000 or $7,500 and Lead Independent Director annual retainer of $15,000, which the director elected to receive in common stock) by the market price of the Pepco Holdings, Inc. (PHI) shares at the close of business two business days before the meeting or retainer payment date, respectively. Frank K. Ross by Ellen Sheriff Rogers, Attorney-in-Fact 2010-07-01