Ownership Submission
FORM 5
Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).
Form 3 Holdings Reported
Form 4 Transactions Reported
UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

ANNUAL 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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1. Name and Address of Reporting Person *
BUTLER CALVIN JR
 2. Issuer Name and Ticker or Trading Symbol
EXELON Corp [EXC] 		5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)
_____ Director _____ 10% Owner
__X__ Officer (give title below) _____ Other (specify below)
CEO, BGE
(Last)
(First)
(Middle)

10 SOUTH DEARBORN STREET, 54TH FLOOR		 3. Statement for Issuer's Fiscal Year Ended (Month/Day/Year)
12/31/2018
(Street)


CHICAGO, IL 60603		 4. If Amendment, Date Original Filed(Month/Day/Year)
 6. Individual or Joint/Group Reporting
(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 at end of Issuer's Fiscal Year
(Instr. 3 and 4)		 6. Ownership Form: Direct (D) or Indirect (I)
(Instr. 4)		 7. Nature of Indirect Beneficial Ownership
(Instr. 4)
Amount (A) or (D) Price
Common Stock             19,429 D  
Common Stock (401k Shares)             1,684 (1) I By 401k Plan

Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly. Persons who respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB control number. SEC 2270 (9-02)

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 at End of Issuer's Fiscal Year
(Instr. 4)		 10. Ownership Form of Derivative Security: Direct (D) or Indirect (I)
(Instr. 4)		 11. Nature of Indirect Beneficial Ownership
(Instr. 4)
(A) (D) Date Exercisable Expiration Date Title Amount or Number of Shares
Restricted Stock Unit Awards 2016 $ 0             (2)   (2) Common Stock
3,712
  3,712 (3)
D
 
Restricted Stock Unit Awards 2017 $ 0             (2)   (2) Common Stock
5,545
  5,545 (4)
D
 
Restricted Stock Unit Awards 2018 $ 0             (2)   (2) Common Stock
7,346
  7,346 (5)
D
 
Restricted Stock Unit Award (01/29/2018) $ 0             (6)   (6) Common Stock
40,000
  40,000
D
 
NQ Stock Option (right to buy) 03/12/2012 $ 39.81             (7)   (7) Common Stock
16,000
  16,000
D
 
NQ Stock Option (right to buy) 01/24/2011 $ 43.4             (7)   (7) Common Stock
15,000
  15,000
D
 

Reporting Owners

Reporting Owner Name / Address Relationships
Director 10% Owner Officer Other
BUTLER CALVIN JR
10 SOUTH DEARBORN STREET
54TH FLOOR
CHICAGO, IL 60603		       CEO, BGE  

Signatures

Katherine A. Smith, Attorney-in-Fact for Calvin Butler Jr. 01/29/2019
**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) Shares held as of December 31, 2018 in a multi-fund 401(k) Plan to be settled in cash upon the reporting person's termination of employment for any reason on a 1:1 basis. Shares are acquired through regular periodic contributions, company matching contributions, and the quarterly reinvestment of dividends.
(2) Previously awarded restricted stock units (RSUs) granted pursuant to the Exelon Long Term Incentive Plan. RSUs are granted annually at the Compensation and Leadership Development committee's first meeting in January or February and vest in 1/3 increments on the date of the committee's first annual meeting in the first, second and third years after the award was granted. Award balances accrue addtional RSUs through quarterly dividend reinvestment that vest on the same schedule as the underlying award.
(3) Balance includes 120 shares acquired through quarterly dividend reinvestment during 2018.
(4) Balance includes 179 shares acquired through quarterly dividend reinvestment during 2018.
(5) Balance includes 237 shares acquired through quarterly dividend reinvestment during 2018.
(6) Restricted stock unit award granted pursuant to the Exelon Long Term Incentive Plan. 100% of the award will vest on January 29, 2022.
(7) Non qualified employee stock options, awarded pursuant to the Exelon Long Term Incentive Plan. Options are fully vested and expire on the tenth anniversay of the grant date referenced in Column 1.

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