Filed by EXELON CORPORATION
                              Pursuant to Rule 425
                              Under the Securities Act of 1933
                              Subject Company: EXELON CORPORATION
                              Commission File No.: 333-37082




          The following is the text of slides appearing on cable
television in various offices of Unicom Corporation regarding the
merger of Unicom Corporation and PECO Energy Company to form
Exelon Corporation.

          The following communications contain certain
"forward-looking statements" within the meaning of the Private
Securities Litigation Reform Act of 1995.  These statements are
based on management's current expectations and are naturally
subject to uncertainty and changes in circumstances.  Actual
results may vary materially from the expectations contained
herein.  The forward-looking statements herein include statements
about future financial and operating results and the proposed
merger involving PECO Energy Company and Unicom Corporation.  The
following factors, among others, could cause actual results to
differ materially from those described herein:  inability to
obtain, or meet conditions imposed for, governmental approvals
for the merger; failure of the PECO Energy Company or Unicom
Corporation stockholders to approve the merger; the risk that the
PECO Energy Company and Unicom Corporation businesses will not be
integrated successfully; and other economic, business,
competitive and/or regulatory factors affecting PECO Energy
Company's and Unicom's businesses generally.  More detailed
information about those factors is set forth in the joint proxy
statement/prospectus regarding the proposed merger.  Neither PECO
Energy Company nor Unicom Corporation is under any obligation to
(and expressly disclaims any such obligation to) update or alter
its forward-looking statements whether as a result of new
information, future events or otherwise.


                   * * * * * * * * * * * * * *

          Investors and security holders are urged to read the
joint proxy statement/prospectus regarding the business
combination transaction referenced in the foregoing information
because it contains important information.  The joint proxy
statement/prospectus has been filed with the Securities and
Exchange Commission by Exelon Corporation.  The joint proxy
statement/prospectus was declared effective by the Commission on
May 15, 2000.  Investors and security holders may obtain a free
copy of the joint proxy statement/prospectus and other documents
filed by PECO Energy Company and Unicom Corporation with the
Commission at the Commission's web site at www.sec.gov.  The
joint proxy statement/prospectus and these other documents may
also be obtained for free from PECO Energy Company or from Unicom
Corporation.


                    SLIDE 1 [various options]

Did You Know ...
Unicom needs "YES" votes from 2/3rds of all outstanding shares.
Vote Your Shares Today!

Did You Know ...
For Unicom shareholders: If you don't vote, it's a "NO" vote.
Vote Your Shares Today!

Did You Know ...
By voting "YES", you will help build a solid future for Unicom
and ComEd.  Vote Your Shares Today!

Did You Know ...
The merger positions both companies for earnings growth,
competitive success and industry leadership.  Vote Your Shares
Today!

Did You Know ...
Exelon will be one of the nation's largest energy companies, with
approximately 5 million customers.  Vote Your Shares Today!

Did You Know ...
Exelon is targeting 10% annual earnings growth in the year
immediately following the merger.  Vote Your Shares Today!

Did You Know ...
Exelon will be the largest nuclear operator in the United States,
with over 16,500 MW of nuclear capacity.  Vote Your Shares Today!

Did You Know ...
Exelon will be one of the nation's largest utilities in terms of
annual revenues - over $12 billion.  Vote Your Shares Today!

Did You Know ...
Unicom shareholders will receive $3.00 in cash and 0.875 shares
of Exelon common stock for every share of Unicom common stock
that they own.  Vote Your Shares Today!

Did You Know ...
Exelon Corporate Headquarters will be located in Chicago.

Did You Know ...
Exelon intends to pay annual dividends of $1.69 per share in the
years following the merger.  Vote Your Shares Today!

Did You Know ...
We are making progress with regulatory approvals.
FERC approved our merger without conditions and the U. S.
Department of Justice has completed its review.

[Graphic on each slide: a campaign button labeled "Vote Yes!
 Unicom-PECO Energy Merger -- Your Vote Counts -- Help Create
 Exelon"]


                             SLIDE 2


Voting Is Easy.
You can vote by mail, by phone or over the Internet.
Simply follow the instructions on your proxy card.
Vote Your Shares Today!


[Graphic: a campaign button labeled "Vote Yes! Unicom-PECO Energy
Merger -- Your Vote Counts -- Help Create Exelon"]


                             SLIDE 3


Do you have questions about the merger, the proxy statement or
voting?
Get answers by calling 1-800-566-9061.

[Graphic: a campaign button labeled "Vote Yes! Unicom-PECO Energy
Merger -- Your Vote Counts -- Help Create Exelon"]


                             SLIDE 4


If you know a Unicom shareholder - family, friend or neighbor -
talk to them about the merger. Every vote counts!

[Graphic: a campaign button labeled "Vote Yes! Unicom-PECO Energy
Merger -- Your Vote Counts -- Help Create Exelon"]