Pepco Holdings Inc. (NYSE: POM) today announced that its board of directors has declared a quarterly dividend of $0.27 per share on Pepco Holdings' common stock that is payable on Dec. 31, 2015, to shareholders of record on Dec. 10, 2015, provided that the company's proposed merger with Exelon Corporation does not close on or prior to the close of business on Dec. 10, 2015. The board of directors also declared a contingent pro-rata dividend to be paid in lieu of the regular quarterly dividend described above in the event that the merger closes before the close of business on Dec. 10, 2015. If the merger closes before the close of business on Dec. 10, 2015, the fourth quarter dividend will be pro-rated, with shareholders receiving $0.002967 per share of common stock per day from, but not including, Sep. 10, 2015 - the record date for the previous quarterly dividend - and ending the day immediately prior to the effective time of the merger. The pro-rata dividend, which is the daily equivalent of 27 cents per share of common stock for the full quarter (assuming 91 days in the quarter), will be paid 20 days after the closing date of the merger to shareholders of record immediately prior to the effective time of the merger. Pepco Holdings, Inc. (NYSE: POM) is one of the largest energy delivery companies in the Mid-Atlantic region, serving about 2 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. Through Pepco Energy Services, PHI also provides energy savings performance contracting services, underground transmission and distribution construction and maintenance services, and steam and chilled water under long-term contracts.