Ownership Submission
FORM 4
Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).
UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES

Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934, Section 17(a) of the Public Utility Holding Company Act of 1935 or Section 30(h) of the Investment Company Act of 1940
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(Print or Type Responses)
1. Name and Address of Reporting Person *
STEINOUR STEPHEN D
  2. Issuer Name and Ticker or Trading Symbol
EXELON CORP [EXC]
5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)
__X__ Director _____ 10% Owner
_____ Officer (give title below) _____ Other (specify below)
(Last)
(First)
(Middle)
10 SOUTH DEARBORN STREET, 54TH FLOOR
3. Date of Earliest Transaction (Month/Day/Year)
06/30/2018
(Street)

CHICAGO, IL 60603
4. If Amendment, Date Original Filed(Month/Day/Year)
6. Individual or Joint/Group Filing(Check Applicable Line)
_X_ Form filed by One Reporting Person
___ Form filed by More than One Reporting Person
(City)
(State)
(Zip)
Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned
1.Title of Security
(Instr. 3)
2. Transaction Date (Month/Day/Year) 2A. Deemed Execution Date, if any (Month/Day/Year) 3. Transaction Code
(Instr. 8)
4. Securities Acquired (A) or Disposed of (D)
(Instr. 3, 4 and 5)
5. Amount of Securities Beneficially Owned Following Reported Transaction(s)
(Instr. 3 and 4)
6. Ownership Form: Direct (D) or Indirect (I)
(Instr. 4)
7. Nature of Indirect Beneficial Ownership
(Instr. 4)
Code V Amount (A) or (D) Price
Common Stock (Deferred Stock Units) 06/30/2018   A   906 A $ 40 36,863 (1) I By Exelon Directors' Deferred Stock Unit Plan
Common Stock               3,142 (2) D  
Common Stock               1,063 I Held by trust for benefit of son

Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
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Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned
(e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security
(Instr. 3)
2. Conversion or Exercise Price of Derivative Security 3. Transaction Date (Month/Day/Year) 3A. Deemed Execution Date, if any (Month/Day/Year) 4. Transaction Code
(Instr. 8)
5. Number of Derivative Securities Acquired (A) or Disposed of (D)
(Instr. 3, 4, and 5)
6. Date Exercisable and Expiration Date
(Month/Day/Year)
7. Title and Amount of Underlying Securities
(Instr. 3 and 4)
8. Price of Derivative Security
(Instr. 5)
9. Number of Derivative Securities Beneficially Owned Following Reported Transaction(s)
(Instr. 4)
10. Ownership Form of Derivative Security: Direct (D) or Indirect (I)
(Instr. 4)
11. Nature of Indirect Beneficial Ownership
(Instr. 4)
Code V (A) (D) Date Exercisable Expiration Date Title Amount or Number of Shares
Deferred Comp. Phantom Share Equivalents (3) 06/30/2018   A   832     (3)   (3) Common Stock 832 $ 42.6 43,174 (4) D  

Reporting Owners

Reporting Owner Name / Address Relationships
 Director  10% Owner  Officer  Other
STEINOUR STEPHEN D
10 SOUTH DEARBORN STREET
54TH FLOOR
CHICAGO, IL 60603
  X      

Signatures

 Elizabeth M. Hensen, Esq., Attorney in Fact for Stephen D. Steinour   07/02/2018
**Signature of Reporting Person Date

Explanation of Responses:

* If the form is filed by more than one reporting person, see Instruction 4(b)(v).
** Intentional misstatements or omissions of facts constitute Federal Criminal Violations. See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
(1) Balance includes 307 shares acquired on June 8, 2018 through automatic dividend reinvestment.
(2) Balance includes 27 shares acquired on June 8, 2018 through automatic dividend reinvestment.
(3) Phantom share equivalents acquired through regular periodic contributions of deferred board compensation and the reinvestment of dividend equivalents in reporting person's Exelon stock fund account under multi-fund, non-qualified deferred compensation plan. The unitized fund consists of Exelon common stock and short term investments and will be settled in cash upon the reporting person's separation from the board for any reason. The balance of such phantom share equivalents may fluctuate from time to time due to fluctuations in the fund composition.
(4) Balance includes 353 share equivalents accrued on May 14, 2018 through automatic dividend reinvestment.

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