EXC

SEC source: 0001062993-21-000640 · form4.xml · derivative · entry 8

BUTLER CALVIN JR · CIK 0001601193 · Sr EVP & CEO, Exelon Utilities

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 19,032

Underlying: Common Stock · 19,032 shares

Expires not disclosed

F3 · price: 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.

F3 · derivative.exercise_date: 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.

F3 · derivative.expiration_date: 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.

SEC source: 0001062993-21-000640 · form4.xml · derivative · entry 7

BUTLER CALVIN JR · CIK 0001601193 · Sr EVP & CEO, Exelon Utilities

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 10,494

Underlying: Common Stock · 5,246 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F3 · price: 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.

F3 · derivative.exercise_date: 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.

F3 · derivative.expiration_date: 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.

SEC source: 0001062993-21-000640 · form4.xml · derivative · entry 6

BUTLER CALVIN JR · CIK 0001601193 · Sr EVP & CEO, Exelon Utilities

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 2,056

Underlying: Common Stock · 2,054 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F3 · price: 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.

F3 · derivative.exercise_date: 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.

F3 · derivative.expiration_date: 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.

SEC source: 0001062993-21-000640 · form4.xml · derivative · entry 5

BUTLER CALVIN JR · CIK 0001601193 · Sr EVP & CEO, Exelon Utilities

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 2,625 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F3 · price: 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.

F3 · derivative.exercise_date: 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.

F3 · derivative.expiration_date: 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.

SEC source: 0001062993-21-000640 · form4.xml · nonDerivative · entry 3

BUTLER CALVIN JR · CIK 0001601193 · Sr EVP & CEO, Exelon Utilities

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 36,694

SEC source: 0001062993-21-000640 · form4.xml · nonDerivative · entry 2

BUTLER CALVIN JR · CIK 0001601193 · Sr EVP & CEO, Exelon Utilities

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 42,822

SEC source: 0001062993-21-000640 · form4.xml · nonDerivative · entry 1

BUTLER CALVIN JR · CIK 0001601193 · Sr EVP & CEO, Exelon Utilities

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 49,276

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · price: 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.

SEC source: 0001062993-21-000642 · form4.xml · derivative · entry 11

Crane Christopher M. · CIK 0001411453 · Director · President and CEO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 112,368 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F3 · price: 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.

F3 · derivative.exercise_date: 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.

F3 · derivative.expiration_date: 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.

SEC source: 0001062993-21-000642 · form4.xml · derivative · entry 10

Crane Christopher M. · CIK 0001411453 · Director · President and CEO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 112,368

Underlying: Common Stock · 112,368 shares

Expires not disclosed

F3 · price: 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.

F3 · derivative.exercise_date: 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.

F3 · derivative.expiration_date: 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.

SEC source: 0001062993-21-000642 · form4.xml · derivative · entry 9

Crane Christopher M. · CIK 0001411453 · Director · President and CEO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 83,737

Underlying: Common Stock · 83,737 shares

Expires not disclosed

F2 · price: 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.

F2 · derivative.exercise_date: 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.

F2 · derivative.expiration_date: 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.

SEC source: 0001062993-21-000642 · form4.xml · derivative · entry 8

Crane Christopher M. · CIK 0001411453 · Director · President and CEO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 53,190

Underlying: Common Stock · 26,594 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F2 · price: 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.

F2 · derivative.exercise_date: 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.

F2 · derivative.expiration_date: 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.

SEC source: 0001062993-21-000642 · form4.xml · derivative · entry 7

Crane Christopher M. · CIK 0001411453 · Director · President and CEO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 27,374

Underlying: Common Stock · 27,369 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F2 · price: 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.

F2 · derivative.exercise_date: 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.

F2 · derivative.expiration_date: 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.

SEC source: 0001062993-21-000642 · form4.xml · derivative · entry 6

Crane Christopher M. · CIK 0001411453 · Director · President and CEO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 32,075 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F2 · price: 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.

F2 · derivative.exercise_date: 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.

F2 · derivative.expiration_date: 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.

SEC source: 0001062993-21-000642 · form4.xml · nonDerivative · entry 3

Crane Christopher M. · CIK 0001411453 · Director · President and CEO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 489,323

SEC source: 0001062993-21-000642 · form4.xml · nonDerivative · entry 2

Crane Christopher M. · CIK 0001411453 · Director · President and CEO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 551,799

SEC source: 0001062993-21-000642 · form4.xml · nonDerivative · entry 1

Crane Christopher M. · CIK 0001411453 · Director · President and CEO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 636,403

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · price: 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.

SEC source: 0001062993-21-000643 · form4.xml · derivative · entry 9

Dominguez Joseph · CIK 0001495634 · CEO, ComEd

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 12,573 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F3 · price: 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.

F3 · derivative.exercise_date: 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.

F3 · derivative.expiration_date: 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.

SEC source: 0001062993-21-000643 · form4.xml · derivative · entry 8

Dominguez Joseph · CIK 0001495634 · CEO, ComEd

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 12,573

Underlying: Common Stock · 12,573 shares

Expires not disclosed

F3 · price: 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.

F3 · derivative.exercise_date: 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.

F3 · derivative.expiration_date: 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.

SEC source: 0001062993-21-000643 · form4.xml · derivative · entry 7

Dominguez Joseph · CIK 0001495634 · CEO, ComEd

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 8,603

Underlying: Common Stock · 8,603 shares

Expires not disclosed

F2 · price: 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.

F2 · derivative.exercise_date: 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.

F2 · derivative.expiration_date: 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.

SEC source: 0001062993-21-000643 · form4.xml · derivative · entry 6

Dominguez Joseph · CIK 0001495634 · CEO, ComEd

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 5,465

Underlying: Common Stock · 2,732 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F2 · price: 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.

F2 · derivative.exercise_date: 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.

F2 · derivative.expiration_date: 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.

SEC source: 0001062993-21-000643 · form4.xml · derivative · entry 5

Dominguez Joseph · CIK 0001495634 · CEO, ComEd

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 2,813

Underlying: Common Stock · 2,812 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F2 · price: 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.

F2 · derivative.exercise_date: 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.

F2 · derivative.expiration_date: 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.

SEC source: 0001062993-21-000643 · form4.xml · derivative · entry 4

Dominguez Joseph · CIK 0001495634 · CEO, ComEd

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 3,592 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F2 · price: 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.

F2 · derivative.exercise_date: 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.

F2 · derivative.expiration_date: 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.

SEC source: 0001062993-21-000643 · form4.xml · nonDerivative · entry 3

Dominguez Joseph · CIK 0001495634 · CEO, ComEd

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 20,821

SEC source: 0001062993-21-000643 · form4.xml · nonDerivative · entry 2

Dominguez Joseph · CIK 0001495634 · CEO, ComEd

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 29,710

SEC source: 0001062993-21-000643 · form4.xml · nonDerivative · entry 1

Dominguez Joseph · CIK 0001495634 · CEO, ComEd

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 36,167

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · price: 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.

SEC source: 0001062993-21-000641 · form4.xml · derivative · entry 8

Cornew Kenneth W. · CIK 0001482379 · Sr. EVP, Pres & CEO Generation

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 32,474 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F3 · price: 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.

F3 · derivative.exercise_date: 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.

F3 · derivative.expiration_date: 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.

SEC source: 0001062993-21-000641 · form4.xml · derivative · entry 7

Cornew Kenneth W. · CIK 0001482379 · Sr. EVP, Pres & CEO Generation

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 32,474

Underlying: Common Stock · 32,474 shares

Expires not disclosed

F3 · price: 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.

F3 · derivative.exercise_date: 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.

F3 · derivative.expiration_date: 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.

SEC source: 0001062993-21-000641 · form4.xml · derivative · entry 6

Cornew Kenneth W. · CIK 0001482379 · Sr. EVP, Pres & CEO Generation

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 14,114

Underlying: Common Stock · 7,057 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F2 · price: 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.

F2 · derivative.exercise_date: 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.

F2 · derivative.expiration_date: 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.

SEC source: 0001062993-21-000641 · form4.xml · derivative · entry 5

Cornew Kenneth W. · CIK 0001482379 · Sr. EVP, Pres & CEO Generation

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 7,265

Underlying: Common Stock · 7,262 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F2 · price: 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.

F2 · derivative.exercise_date: 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.

F2 · derivative.expiration_date: 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.

SEC source: 0001062993-21-000641 · form4.xml · derivative · entry 4

Cornew Kenneth W. · CIK 0001482379 · Sr. EVP, Pres & CEO Generation

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 9,273 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F2 · price: 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.

F2 · derivative.exercise_date: 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.

F2 · derivative.expiration_date: 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.

SEC source: 0001062993-21-000641 · form4.xml · nonDerivative · entry 3

Cornew Kenneth W. · CIK 0001482379 · Sr. EVP, Pres & CEO Generation

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 104,095

SEC source: 0001062993-21-000641 · form4.xml · nonDerivative · entry 2

Cornew Kenneth W. · CIK 0001482379 · Sr. EVP, Pres & CEO Generation

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 122,419

SEC source: 0001062993-21-000641 · form4.xml · nonDerivative · entry 1

Cornew Kenneth W. · CIK 0001482379 · Sr. EVP, Pres & CEO Generation

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 143,439

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · price: 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.

SEC source: 0001062993-21-000026 · form4.xml · nonDerivative · entry 1

SHATTUCK MAYO A III · CIK 0001087426 · Director · Chairman of the Board

10b5-1 filing: Not disclosed

Ownership: Indirect · By Exelon Directors Deferred Stock Unit Plan

Disclosed balance after: 30,678

F1 · balance_after: Balance includes 274 shares acquired on December 10, 2020 through automatic dividend reinvestment.

SEC source: 0001062993-21-000027 · form4.xml · nonDerivative · entry 1

YOUNG JOHN F · CIK 0001230766 · Director

10b5-1 filing: Not disclosed

Ownership: Indirect · By Exelon Directors' Deferred Stock Unit Plan

Disclosed balance after: 8,980

F1 · balance_after: Balance includes 74 shares acquired on December 10, 2020 through automatic dividend reinvestment.

SEC source: 0001062993-21-000025 · form4.xml · nonDerivative · entry 1

Richardson John M · CIK 0001786800 · Director

10b5-1 filing: Not disclosed

Ownership: Indirect · By Exelon Directors' Deferred Stock Unit Plan

Disclosed balance after: 5,101

F1 · balance_after: Balance includes 38 shares acquired on December 10, 2020 through automatic dividend reinvestment.

SEC source: 0001062993-21-000024 · form4.xml · derivative · entry 4

LAWLESS ROBERT J · CIK 0001164638 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 33,823

Underlying: Common Stock · 977 shares

Expires not disclosed

F3 · derivative.exercise_price: Phantom share equivalents acquired in the reporting person's Exelon stock fund account that is part of a multi-fund, non-qualified deferred compensation plan and that will be settled in cash on a 1 for 1 basis upon the termination of the reporting person's service on the Exelon board of directors. Balance also reflects 283 shares equivalents accrued on November 13, 2020 through automatic dividend reinvestment.

F3 · derivative.exercise_date: Phantom share equivalents acquired in the reporting person's Exelon stock fund account that is part of a multi-fund, non-qualified deferred compensation plan and that will be settled in cash on a 1 for 1 basis upon the termination of the reporting person's service on the Exelon board of directors. Balance also reflects 283 shares equivalents accrued on November 13, 2020 through automatic dividend reinvestment.

F3 · derivative.expiration_date: Phantom share equivalents acquired in the reporting person's Exelon stock fund account that is part of a multi-fund, non-qualified deferred compensation plan and that will be settled in cash on a 1 for 1 basis upon the termination of the reporting person's service on the Exelon board of directors. Balance also reflects 283 shares equivalents accrued on November 13, 2020 through automatic dividend reinvestment.

F3 · balance_after: Phantom share equivalents acquired in the reporting person's Exelon stock fund account that is part of a multi-fund, non-qualified deferred compensation plan and that will be settled in cash on a 1 for 1 basis upon the termination of the reporting person's service on the Exelon board of directors. Balance also reflects 283 shares equivalents accrued on November 13, 2020 through automatic dividend reinvestment.

SEC source: 0001062993-21-000024 · form4.xml · nonDerivative · entry 1

LAWLESS ROBERT J · CIK 0001164638 · Director

10b5-1 filing: Not disclosed

Ownership: Indirect · By Exelon Directors' Deferred Stock Unit Plan

Disclosed balance after: 34,565

F1 · balance_after: Balance includes 309 shares acquired on December 10, 2020 through automatic dividend reinvestment.

SEC source: 0001062993-21-000023 · form4.xml · nonDerivative · entry 1

JOSKOW PAUL L · CIK 0001196502 · Director

10b5-1 filing: Not disclosed

Ownership: Indirect · By Exelon Directors' Deferred Stock Unit Plan

Disclosed balance after: 48,705

F1 · balance_after: Balance includes 439 shares acquired on December 10, 2020 through automatic dividend reinvestment.

SEC source: 0001062993-21-000022 · form4.xml · nonDerivative · entry 1

Jojo Linda P · CIK 0001296796 · Director

10b5-1 filing: Not disclosed

Ownership: Indirect · By Exelon Directors' Deferred Stock Unit Plan

Disclosed balance after: 20,849

F1 · balance_after: Balance includes 183 shares acquired on December 10, 2020 through automatic dividend reinvestment.

SEC source: 0001062993-21-000021 · form4.xml · nonDerivative · entry 1

DE BALMANN YVES C · CIK 0001257061 · Director

10b5-1 filing: Not disclosed

Ownership: Indirect · By Exelon Directors' Deferred Stock Unit Plan

Disclosed balance after: 34,565

F1 · balance_after: Balance includes 309 shares acquired on December 10, 2020 through automatic dividend reinvestment.

SEC source: 0001062993-21-000020 · form4.xml · derivative · entry 2

Cheshire Marjorie Rodgers · CIK 0001621713 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 545

Underlying: Common Stock · 296 shares

Expires not disclosed

F1 · derivative.exercise_price: Balance includes 7 shares acquired on December 10, 2020 through automatic dividend reinvestment.

F2 · derivative.exercise_date: Phantom share equivalents in the reporting person's Exelon stock fund account that is part of a multi-fund, non-qualified deferred compensation plan and that will be settled in cash on a 1 for 1 basis upon the termination of the reporting person's service on the Exelon board of directors. Balance also reflects 2 share equivalents accrued on November 13, 2020 through automatic dividend reinvestment.

F2 · derivative.expiration_date: Phantom share equivalents in the reporting person's Exelon stock fund account that is part of a multi-fund, non-qualified deferred compensation plan and that will be settled in cash on a 1 for 1 basis upon the termination of the reporting person's service on the Exelon board of directors. Balance also reflects 2 share equivalents accrued on November 13, 2020 through automatic dividend reinvestment.

F2 · derivative.underlying_shares: Phantom share equivalents in the reporting person's Exelon stock fund account that is part of a multi-fund, non-qualified deferred compensation plan and that will be settled in cash on a 1 for 1 basis upon the termination of the reporting person's service on the Exelon board of directors. Balance also reflects 2 share equivalents accrued on November 13, 2020 through automatic dividend reinvestment.

F2 · balance_after: Phantom share equivalents in the reporting person's Exelon stock fund account that is part of a multi-fund, non-qualified deferred compensation plan and that will be settled in cash on a 1 for 1 basis upon the termination of the reporting person's service on the Exelon board of directors. Balance also reflects 2 share equivalents accrued on November 13, 2020 through automatic dividend reinvestment.

SEC source: 0001062993-21-000020 · form4.xml · nonDerivative · entry 1

Cheshire Marjorie Rodgers · CIK 0001621713 · Director

10b5-1 filing: Not disclosed

Ownership: Indirect · By Exelon Directors' Deferred Stock Unit Plan

Disclosed balance after: 1,712

F1 · balance_after: Balance includes 7 shares acquired on December 10, 2020 through automatic dividend reinvestment.

SEC source: 0001062993-21-000019 · form4.xml · nonDerivative · entry 1

BRLAS LAURIE · CIK 0001235612 · Director

10b5-1 filing: Not disclosed

Ownership: Indirect · By Exelon Directors' Deferred Stock Unit Plan

Disclosed balance after: 8,180

F1 · balance_after: Balance includes 67 shares acquired on December 10, 2020 through automatic dividend reinvestment.

SEC source: 0001062993-21-000018 · form4.xml · derivative · entry 3

BERZIN ANN C · CIK 0001215820 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 34,888

Underlying: Common Stock · 936 shares

Expires not disclosed

F3 · derivative.exercise_price: Phantom share equivalents acquired in the reporting person's Exelon stock fund account that is part of a multi-fund, non-qualified deferred compensation plan and that will be settled in cash on a 1 for 1 basis upon the termination of the reporting person's service on the Exelon board of directors. Balance also reflects 292 share equivalents accrued on November 13, 2020 through automatic dividend reinvestment.

F3 · derivative.exercise_date: Phantom share equivalents acquired in the reporting person's Exelon stock fund account that is part of a multi-fund, non-qualified deferred compensation plan and that will be settled in cash on a 1 for 1 basis upon the termination of the reporting person's service on the Exelon board of directors. Balance also reflects 292 share equivalents accrued on November 13, 2020 through automatic dividend reinvestment.

F3 · derivative.expiration_date: Phantom share equivalents acquired in the reporting person's Exelon stock fund account that is part of a multi-fund, non-qualified deferred compensation plan and that will be settled in cash on a 1 for 1 basis upon the termination of the reporting person's service on the Exelon board of directors. Balance also reflects 292 share equivalents accrued on November 13, 2020 through automatic dividend reinvestment.

F3 · balance_after: Phantom share equivalents acquired in the reporting person's Exelon stock fund account that is part of a multi-fund, non-qualified deferred compensation plan and that will be settled in cash on a 1 for 1 basis upon the termination of the reporting person's service on the Exelon board of directors. Balance also reflects 292 share equivalents accrued on November 13, 2020 through automatic dividend reinvestment.

SEC source: 0001062993-21-000018 · form4.xml · nonDerivative · entry 1

BERZIN ANN C · CIK 0001215820 · Director

10b5-1 filing: Not disclosed

Ownership: Indirect · By Exelon Directors' Deferred Stock Unit Plan

Disclosed balance after: 34,565

F1 · balance_after: Balance includes 309 shares acquired on December 10, 2020 through automatic dividend reinvestment.

SEC source: 0001062993-21-000017 · form4.xml · nonDerivative · entry 1

Anderson Anthony · CIK 0001559294 · Director

10b5-1 filing: Not disclosed

Ownership: Indirect · By Exelon Directors' Deferred Stock Unit Plan

Disclosed balance after: 30,999

F1 · balance_after: Balance includes 276 shares acquired on December 10, 2020 through automatic dividend reinvestment.

SEC source: 0001062993-21-000074 · form4.xml · nonDerivative · entry 1

DEBENEDICTIS NICHOLAS · CIK 0001194707 · Director

10b5-1 filing: Not disclosed

Ownership: Indirect · By Exelon Directors' Deferred Stock Unit Plan

Disclosed balance after: 56,390

F1 · balance_after: Balance includes 510 shares acquired on December 10, 2020 through automatic dividend reinvestment.

SEC source: 0001109357-20-000194 · edgar.xml · nonDerivative · entry 1

SHATTUCK MAYO A III · CIK 0001087426 · Director · Chairman of the Board

10b5-1 filing: Not disclosed

Ownership: Indirect · By Exelon Directors Deferred Stock Unit Plan

Disclosed balance after: 29,464

F1 · balance_after: Balance includes 300 shares acquired on September 10, 2020 through automatic dividend reinvestment.

SEC source: 0001109357-20-000195 · edgar.xml · nonDerivative · entry 1

YOUNG JOHN F · CIK 0001230766 · Director

10b5-1 filing: Not disclosed

Ownership: Indirect · By Exelon Directors' Deferred Stock Unit Plan

Disclosed balance after: 7,966

F1 · balance_after: Balance includes 73 shares acquired on September 10, 2020 through automatic dividend reinvestment.