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Exhibit (23)-1
Unicom Corporation
Form 10-Q File No. 1-11375
CONSENT OF INDEPENDENT PUBLIC ACCOUNTANTS
As independent public accountants, we hereby consent to the incorporation
by reference of our report in this Form 10-Q for the quarterly period ended June
30, 2000, into Exelon Corporation's Form S-4 Registration Statement (relating to
Common Stock of Exelon), into Unicom Corporation's previously filed prospectuses
dated March 18, 1994, constituting part of Form S-4 Registration Statement File
No. 33-52109, as amended (relating to Common Stock of Unicom Corporation), as
further amended by Post-Effective Amendment No. 1 on Form S-8 (relating to
Commonwealth Edison Company's Employee Savings and Investment Plan) and Post-
Effective Amendment No. 2 on Form S-8 (relating to Unicom Corporation's Employee
Stock Purchase Plan), Form S-8 Registration Statement File No. 33-56991
(relating to Unicom Corporation's Long-Term Incentive Plan), Form S-4
Registration Statement File No. 333-01003 (relating to Unicom Corporation's
Common Stock), Form S-8 Registration Statement File No. 333-04749 (relating to
Unicom Corporation's 1996 Directors' Fee Plan), Form S-8 Registration Statements
File Nos. 333-10613 and 333-26779 (relating to Commonwealth Edison Company's
Employee Savings and Investment Plan) and Form S-8 Registration Statement File
No. 333-39677 (relating to the Unicom Corporation's Management Deferred
Compensation Plan).
Arthur Andersen LLP
Chicago, Illinois
August 11, 2000
