Commission
File
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Exact
Name of Registrant as Specified in Its Charter; State of
Incorporation;
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IRS
Employer
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Number
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Address
of Principal Executive Offices; and Telephone
Number
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Identification
Number
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1-1839
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COMMONWEALTH
EDISON COMPANY
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36-0938600
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(an
Illinois corporation)
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440
South LaSalle Street
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Chicago,
Illinois 60605-1028
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(312)
394-4321
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1-16169
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EXELON
CORPORATION
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23-2990190
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(a
Pennsylvania corporation)
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10
South Dearborn Street
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P.O. Box 805379 | ||
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Chicago,
Illinois 60680-5379
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(312)
394-7398
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£
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Written
communications pursuant to Rule 425 under the Securities Act (17
CFR
230.425)
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£
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Soliciting
material pursuant to Rule 14a-12 under the Exchange Act (17 CFR
240.14a-12)
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£
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Pre-commencement
communications pursuant to Rule 14d-2(b) under the Exchange Act (17
CFR
240.14d-2(b))
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£
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Pre-commencement
communications pursuant to Rule 13e-4(c) under the Exchange Act (17
CFR
240.13e-4(c))
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COMMONWEALTH
EDISON COMPANY
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/s/
Robert K. McDonald
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Robert
K. McDonald
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Senior
Vice President, Chief Financial Officer,
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Treasurer
and Chief Risk Officer
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EXELON
CORPORATION
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/s/
John F. Young
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John
F. Young
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Executive
Vice President, Finance and Markets,
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and Chief Financial Officer | |||
March
23, 2007
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