Sec Form 4 Filing - Crane Christopher M. @ EXELON CORP - 2022-01-06

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 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 Crane Christopher M. 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 X __ Officer (give title below) _____ Other (specify below) President and CEO (Last) (First) (Middle) 10 SOUTH DEARBORN STREET, 54TH FLOOR 3. Date of Earliest Transaction (MM/DD/YY) 01/06/2022 (Street) CHICAGO, IL60603 4. If Amendment, Date Original Filed (MM/DD/YY) 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 (MM/DD/YY) 2A. Deemed Execution Date, if any (MM/DD/YY) 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 01/06/2022 M 84,514 A 329,175( 7 ) D Common Stock 01/06/2022 F 34,924 D $ 56.73 294,252 D Common Stock 28,500 I Held by trust for benefit of son Common Stock 28,500 I Held by trust for benefit of daughter

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 (MM/DD/YY) 3A. Deemed Execution Date, if any (MM/DD/YY) 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 (MM/DD/YY) 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 Bene ficial Ownership (Instr. 4) Code V (A) (D) Date Exercisable Expiration Date Title Amount or Number of Shares 2019 Restricted Stock Units $ 0 01/06/2022 M 28,254 ( 2 ) ( 2 ) Common Stock 28,254 ( 2 ) 0( 3 ) D 2020 Restricted Stock Units $ 0 01/06/2022 M 27,450 ( 2 ) ( 2 ) Common Stock 27,450 ( 2 ) 27,450( 4 ) D 2021 Restricted Stock Units $ 0 01/06/2022 M 28,810 ( 2 ) ( 2 ) Common Stock 28,810 ( 2 ) 57,619( 5 ) D Deferred Compensation Phantom Shares $ 0 ( 6 ) ( 6 ) Common Stock 7,152( 6 ) 7,152( 6 ) D

Reporting Owners Reporting Owner Name / Address Relationships Director 10% Owner Officer Other Crane Christopher M. 10 SOUTH DEARBORN STREET 54TH FLOOR CHICAGO, IL60603 X President and CEO Signatures Elizabeth M. Hensen, Attorney-in-Fact for Christopher M. Crane 01/07/2022 Signature of Reporting Person Date

Explanation of Responses:

( 1 )Common shares acquired through conversion of previously awarded and vested restricted stock units (RSUs) under the Exelon Long Term Incentive Plan. ( 2 )Vesting of previously granted restricted stock unit (RSU) awarded under Exelon Long Term Incentive Plan. Awards granted annually to vest in 1/3 increments at the January or February meetings of the Compensation Committee with each RSU representing the right to receive one share of Exelon common stock upon vesting. RSUs accrue quarterly dividend equivalents in the form of additional RSUs representing common stock dividends as approved by the Board, which vest on the same schedule as the underlying RSU award. ( 3 )The RSU award accrued 880 additional shares during 2021 through automatic dividend reinvestment. ( 4 )The RSU award accrued 1,710 additional shares during 2021 through automatic dividend reinvestment. ( 5 )The RSU award accrued 2,692 additional shares during 2021 through automatic dividend reinvestment. ( 6 )Phantom share equivalents held in the Exelon stock fund within the Exelon Deferred Compensation Plan, which is multi-fund, non-qualified deferred compensation plan. The share equivalents within the fund will be settled in cash upon the reporting person's separation from the company for any reason. The balance includes 244 additional share equivalents acquired during 2021 through automatic dividend reinvestment. ( 7 )Balance reflects disposition of shares transferred pursuant to court-approved domestic relations order

Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.

* If the form is filed by more than one reporting person, see Instruction 4(b)(v).

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