Exelon’s PECO Declares Dividends on Preferred Stock

PHILADELPHIA (December 10, 2009) - Directors of PECO have declared dividends on all series of preferred stock, payable February 1, 2010, to shareholders of record at the close of business on December 31, 2009, as follows:

Series                               Amount Per Share
$4.68       Series D             $1.17
$4.40       Series C             $1.10
$4.30       Series B             $1.075
$3.80       Series A             $0.95