X0201 42003-10-011 0001109357 EXELON CORP EXC 0001230821 BEMIS MICHAEL B 10 SOUTH DEARBORN STREET 37TH FLOOR CHICAGO IL 60603 0001Exec. Officer through 09/23/03Common Stock6773DDeferred Comp. Phantom SharesCommon Stock129129DFiling is being made to show the reporting person's holdings as of 09/23/2003, the date he ceased to be a Section 16 reporting person.Phantom shares held in a multi-fund deferred compensation account to be settled for cash on a 1:1 basis upon the reporting person's termination of employment for any reason. Shares are acquired through regular periodic payroll contributions and the reinvestment of dividends. Balance includes 2 shares acquired on 06/10/2003 and 09/10/2003 through the automatic dividend reinvestment feature of Exelon plans.Scott N. Peters, Esq., Attorney in Fact for Michael B. Bemis2003-10-01