Statement of Changes in Beneficial Ownership (4)

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

OMB APPROVAL

OMB Number:

3235-0287

Estimated average burden
hours per response...

0.5

Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934 or Section 30(h) of the Investment Company Act of 1940

1. Name and Address of Reporting Person * Innocenzo Michael	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) President & CEO of PECO
(Last)          (First)          (Middle) 10 S. DEARBORN STREET, 54TH FLOOR	3. Date of Earliest Transaction (MM/DD/YYYY) 1/27/2020
(Street) CHICAGO, IL 60603 (City)        (State)        (Zip)	4. If Amendment, Date Original Filed (MM/DD/YYYY)	6. Individual or Joint/Group Filing (Check Applicable Line) _X _ Form filed by One Reporting Person ___ Form filed by More than One Reporting Person

Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned
1.Title of Security (Instr. 3)	2. Trans. Date	2A. Deemed Execution Date, if any	3. Trans. 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	1/27/2020		M		21263	A	(1)	53652	D
Common Stock	1/27/2020		F		7737	D	$47.27	45915	D
Common Stock	1/27/2020		D		9927	D	$47.27	35988	D
Common Stock (ESPP Shares)								1822	D

Table II - Derivative Securities Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivate Security (Instr. 3)	2. Conversion or Exercise Price of Derivative Security	3. Trans. Date	3A. Deemed Execution Date, if any	4. Trans. 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		7. Title and Amount of Securities Underlying Derivative Security (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
Restricted Stock Units 2017	$0	1/27/2020		M			1289	(2)	(2)	Common Stock	1289	(2)	0	D
Restricted Stock Units 2018	$0	1/27/2020		M			2409	(2)	(2)	Common Stock	2409	(2)	2417	D
Restricted Stock Units 2019	$0	1/27/2020		M			1976	(2)	(2)	Common Stock	1976	(2)	3957	D
Restricted Stock Units 2020	$0	1/27/2020		A		5764		(2)	(2)	Common Stock	5764	(2)	5764	D
Performance Shares 2017-2019 (stock units)	$0	1/27/2020		A		15589		(3)	(3)	Common Stock	15589	(3)	15589	D
Performance Shares 2016-2018 (stock units)	$0	1/27/2020		M			15589	(3)	(3)	Common Stock	15589	(3)	0	D

Explanation of Responses:
(1)	Common shares acquired through conversion of previously awarded and vested restricted stock units (RSUs) and performance share (stock units) under the Exelon Long Term Incentive Plan.
(2)	Restricted stock unit (RSUs) award 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 dates of the Committee's January or February meetings held in the first, second, and third years after the grant date. Each RSU represents the right to receive one share of Exelon common stock. Awards accrue additional RSUs acquired through quarterly dividend reinvestment that vest on the same schedule as the underlying award.
(3)	Performance share (stock unit) award granted pursuant to the Exelon Long Term Incentive Plan for the three-year performance period referenced in Column 1 based on the Compensation and Leadership Development Committee's determination of performance achieved for the period. Each performance share (stock unit) represents the right to receive one share or the economic equivalent value of one share of Exelon common stock. Performance share (stock units) awards vest immediately upon grant date.

Reporting Owners
Reporting Owner Name / Address	Relationships
	Director	10% Owner	Officer	Other
Innocenzo Michael 10 S. DEARBORN STREET 54TH FLOOR CHICAGO, IL 60603			President & CEO of PECO

Signatures
Elizabeth M. Hensen, Attorney-in-Fact for Michael Innocenzo		1/28/2020
**Signature of Reporting Person		Date