SO

SEC source: 0001209191-21-016146 · doc4.xml · nonDerivative · entry 1

Greene Kimberly S, · CIK 0001573512 · Chairman, President & CEO, GAS

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 87,728

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 · security: Shares acquired upon vesting of final 1/3 of performance restricted stock units granted on February 27, 2018. Includes 543 accrued dividend equivalent units.

SEC source: 0001209191-21-016144 · doc4.xml · derivative · entry 4

BOWERS WILLIAM P · CIK 0001225760 · Chairman & CEO, GPC

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 0

Underlying: Southern Company Common Stock · 5,643 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 · security: Represents final 1/3 of performance restricted stock units granted on February 27, 2018. Each performance restricted stock unit represents the right to receive, at statement, one share of common stock. Additional units will be acquired with deemed dividends. Shares will be withheld upon vesting to satisfy tax requirements

F3 · derivative.exercise_date: Represents final 1/3 of performance restricted stock units granted on February 27, 2018. Each performance restricted stock unit represents the right to receive, at statement, one share of common stock. Additional units will be acquired with deemed dividends. Shares will be withheld upon vesting to satisfy tax requirements

F3 · derivative.expiration_date: Represents final 1/3 of performance restricted stock units granted on February 27, 2018. Each performance restricted stock unit represents the right to receive, at statement, one share of common stock. Additional units will be acquired with deemed dividends. Shares will be withheld upon vesting to satisfy tax requirements

SEC source: 0001209191-21-016144 · doc4.xml · nonDerivative · entry 2

BOWERS WILLIAM P · CIK 0001225760 · Chairman & CEO, GPC

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 211,821

F2 · security: Shares withheld to satisfy required state and federal tax withholding requirements.

SEC source: 0001209191-21-016144 · doc4.xml · nonDerivative · entry 1

BOWERS WILLIAM P · CIK 0001225760 · Chairman & CEO, GPC

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 214,750

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 · security: Shares acquired upon vesting of final 1/3 of performance restricted stock units granted on February 27, 2018. Includes 812 accrued dividend equivalent units.

SEC source: 0001209191-21-016137 · doc4.xml · derivative · entry 4

WOMACK CHRISTOPHER C · CIK 0001195423 · President, GPC

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 0

Underlying: Southern Company Common Stock · 2,596 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 · security: Represents final 1/3 of performance restricted stock units granted on February 27, 2018. Each performance restricted stock unit represents the right to receive, at statement, one share of common stock. Additional units will be acquired with deemed dividends. Shares will be withheld upon vesting to satisfy tax requirements

F3 · derivative.exercise_date: Represents final 1/3 of performance restricted stock units granted on February 27, 2018. Each performance restricted stock unit represents the right to receive, at statement, one share of common stock. Additional units will be acquired with deemed dividends. Shares will be withheld upon vesting to satisfy tax requirements

F3 · derivative.expiration_date: Represents final 1/3 of performance restricted stock units granted on February 27, 2018. Each performance restricted stock unit represents the right to receive, at statement, one share of common stock. Additional units will be acquired with deemed dividends. Shares will be withheld upon vesting to satisfy tax requirements

SEC source: 0001209191-21-016137 · doc4.xml · nonDerivative · entry 2

WOMACK CHRISTOPHER C · CIK 0001195423 · President, GPC

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 30,587.4346

F2 · security: Shares withheld to satisfy required state and federal tax withholding requirements.

SEC source: 0001209191-21-016137 · doc4.xml · nonDerivative · entry 1

WOMACK CHRISTOPHER C · CIK 0001195423 · President, GPC

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 31,935.4346

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 · security: Shares acquired upon vesting of final 1/3 of performance restricted stock units granted on February 27, 2018. Includes 374 accrued dividend equivalent units.

SEC source: 0001209191-21-016141 · doc4.xml · derivative · entry 4

Lantrip Mark · CIK 0001600639 · Chairman, President & CEO, SCS

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 0

Underlying: Southern Company Common Stock · 2,635 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 · security: Represents final 1/3 of performance restricted stock units granted on February 27, 2018. Each performance restricted stock unit represents the right to receive, at statement, one share of common stock. Additional units will be acquired with deemed dividends. Shares will be withheld upon vesting to satisfy tax requirements

F3 · derivative.exercise_date: Represents final 1/3 of performance restricted stock units granted on February 27, 2018. Each performance restricted stock unit represents the right to receive, at statement, one share of common stock. Additional units will be acquired with deemed dividends. Shares will be withheld upon vesting to satisfy tax requirements

F3 · derivative.expiration_date: Represents final 1/3 of performance restricted stock units granted on February 27, 2018. Each performance restricted stock unit represents the right to receive, at statement, one share of common stock. Additional units will be acquired with deemed dividends. Shares will be withheld upon vesting to satisfy tax requirements

SEC source: 0001209191-21-016141 · doc4.xml · nonDerivative · entry 2

Lantrip Mark · CIK 0001600639 · Chairman, President & CEO, SCS

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 71,567.847

F2 · security: Shares withheld to satisfy required state and federal tax withholding requirements.

SEC source: 0001209191-21-016141 · doc4.xml · nonDerivative · entry 1

Lantrip Mark · CIK 0001600639 · Chairman, President & CEO, SCS

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 72,934.847

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 · security: Shares acquired upon vesting of final 1/3 of performance restricted stock units granted on February 27, 2018. Includes 379 accrued dividend equivalent units.

SEC source: 0001209191-21-016132 · doc4.xml · derivative · entry 4

Kerr, II James Y · CIK 0001601624 · EVP, Chief Legal Officer & CCO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 0

Underlying: Southern Company Common Stock · 3,617 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 · security: Represents final 1/3 of performance restricted stock units granted on February 27, 2018. Each performance restricted stock unit represents the right to receive, at statement, one share of common stock. Additional units will be acquired with deemed dividends. Shares will be withheld upon vesting to satisfy tax requirements

F3 · derivative.exercise_date: Represents final 1/3 of performance restricted stock units granted on February 27, 2018. Each performance restricted stock unit represents the right to receive, at statement, one share of common stock. Additional units will be acquired with deemed dividends. Shares will be withheld upon vesting to satisfy tax requirements

F3 · derivative.expiration_date: Represents final 1/3 of performance restricted stock units granted on February 27, 2018. Each performance restricted stock unit represents the right to receive, at statement, one share of common stock. Additional units will be acquired with deemed dividends. Shares will be withheld upon vesting to satisfy tax requirements

SEC source: 0001209191-21-016132 · doc4.xml · nonDerivative · entry 2

Kerr, II James Y · CIK 0001601624 · EVP, Chief Legal Officer & CCO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 101,918

F2 · security: Shares withheld to satisfy required state and federal tax withholding requirements.

SEC source: 0001209191-21-016132 · doc4.xml · nonDerivative · entry 1

Kerr, II James Y · CIK 0001601624 · EVP, Chief Legal Officer & CCO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 103,795

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 · security: Shares acquired upon vesting of final 1/3 of performance restricted stock units granted on February 27, 2018. Includes 520 accrued dividend equivalent units.

SEC source: 0001209191-21-016131 · doc4.xml · derivative · entry 4

Daiss Ann P · CIK 0001354912 · Comptroller

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 0

Underlying: Southern Company Common Stock · 885 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 · security: Represents final 1/3 of restricted stock units granted on February 27, 2018. Each restricted stock unit represents the right to receive, at statement, one share of common stock. Additional units will be acquired with deemed dividends. Shares will be withheld upon vesting to satisfy tax requirements.

F3 · derivative.exercise_date: Represents final 1/3 of restricted stock units granted on February 27, 2018. Each restricted stock unit represents the right to receive, at statement, one share of common stock. Additional units will be acquired with deemed dividends. Shares will be withheld upon vesting to satisfy tax requirements.

F3 · derivative.expiration_date: Represents final 1/3 of restricted stock units granted on February 27, 2018. Each restricted stock unit represents the right to receive, at statement, one share of common stock. Additional units will be acquired with deemed dividends. Shares will be withheld upon vesting to satisfy tax requirements.

SEC source: 0001209191-21-016131 · doc4.xml · nonDerivative · entry 2

Daiss Ann P · CIK 0001354912 · Comptroller

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 24,215.2576

F2 · security: Shares withheld to satisfy required state and federal tax withholding requirements.

SEC source: 0001209191-21-016131 · doc4.xml · nonDerivative · entry 1

Daiss Ann P · CIK 0001354912 · Comptroller

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 24,678.2576

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 · security: Shares acquired upon vesting of final 1/3 of restricted stock units granted on February 27, 2018. Includes 133 accrued dividend equivalent units.

SEC source: 0001209191-21-016127 · doc4.xml · derivative · entry 4

FANNING THOMAS A · CIK 0001227464 · President, CEO & Chairman

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 0

Underlying: Southern Company Common Stock · 20,997 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 · security: Represents final 1/3 of performance restricted stock units granted on February 27, 2018. Each performance restricted stock unit represents the right to receive, at statement, one share of common stock. Additional units will be acquired with deemed dividends. Shares will be withheld upon vesting to satisfy tax requirements

F3 · derivative.exercise_date: Represents final 1/3 of performance restricted stock units granted on February 27, 2018. Each performance restricted stock unit represents the right to receive, at statement, one share of common stock. Additional units will be acquired with deemed dividends. Shares will be withheld upon vesting to satisfy tax requirements

F3 · derivative.expiration_date: Represents final 1/3 of performance restricted stock units granted on February 27, 2018. Each performance restricted stock unit represents the right to receive, at statement, one share of common stock. Additional units will be acquired with deemed dividends. Shares will be withheld upon vesting to satisfy tax requirements

SEC source: 0001209191-21-016127 · doc4.xml · nonDerivative · entry 2

FANNING THOMAS A · CIK 0001227464 · President, CEO & Chairman

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 826,758.586

F2 · security: Shares withheld to satisfy required state and federal tax withholding requirements.

SEC source: 0001209191-21-016127 · doc4.xml · nonDerivative · entry 1

FANNING THOMAS A · CIK 0001227464 · President, CEO & Chairman

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 837,651.586

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 · security: Shares acquired upon vesting of final 1/3 of performance restricted stock units granted on February 27, 2018. Includes 3,019 accrued dividend equivalent units.

SEC source: 0001209191-21-016124 · doc4.xml · derivative · entry 4

Connally Stan W · CIK 0001498337 · Executive Vice President, SCS

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 0

Underlying: Southern Company Common Stock · 2,117 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 · security: Represents final 1/3 of performance restricted stock units granted on February 27, 2018. Each performance restricted stock unit represents the right to receive, at statement, one share of common stock. Additional units will be acquired with deemed dividends. Shares will be withheld upon vesting to satisfy tax requirements

F3 · derivative.exercise_date: Represents final 1/3 of performance restricted stock units granted on February 27, 2018. Each performance restricted stock unit represents the right to receive, at statement, one share of common stock. Additional units will be acquired with deemed dividends. Shares will be withheld upon vesting to satisfy tax requirements

F3 · derivative.expiration_date: Represents final 1/3 of performance restricted stock units granted on February 27, 2018. Each performance restricted stock unit represents the right to receive, at statement, one share of common stock. Additional units will be acquired with deemed dividends. Shares will be withheld upon vesting to satisfy tax requirements

SEC source: 0001209191-21-016124 · doc4.xml · nonDerivative · entry 2

Connally Stan W · CIK 0001498337 · Executive Vice President, SCS

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 64,885

F2 · security: Shares withheld to satisfy required state and federal tax withholding requirements.

SEC source: 0001209191-21-016124 · doc4.xml · nonDerivative · entry 1

Connally Stan W · CIK 0001498337 · Executive Vice President, SCS

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 65,960

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 · security: Shares acquired upon vesting of final 1/3 of performance restricted stock units granted on February 27, 2018. Includes 305 accrued dividend equivalent units.

SEC source: 0001209191-21-016119 · doc4.xml · derivative · entry 5

Crosswhite Mark A. · CIK 0001426400 · Chairman, President & CEO, APC

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 0

Underlying: Southern Company Common Stock · 5,107 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 · security: Represents final 1/3 of performance restricted stock units granted on February 27, 2018. Each performance restricted stock unit represents the right to receive, at statement, one share of common stock. Additional units will be acquired with deemed dividends. Shares will be withheld upon vesting to satisfy tax requirements

F3 · derivative.exercise_date: Represents final 1/3 of performance restricted stock units granted on February 27, 2018. Each performance restricted stock unit represents the right to receive, at statement, one share of common stock. Additional units will be acquired with deemed dividends. Shares will be withheld upon vesting to satisfy tax requirements

F3 · derivative.expiration_date: Represents final 1/3 of performance restricted stock units granted on February 27, 2018. Each performance restricted stock unit represents the right to receive, at statement, one share of common stock. Additional units will be acquired with deemed dividends. Shares will be withheld upon vesting to satisfy tax requirements

SEC source: 0001209191-21-016119 · doc4.xml · nonDerivative · entry 2

Crosswhite Mark A. · CIK 0001426400 · Chairman, President & CEO, APC

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 145,753

F2 · security: Shares withheld to satisfy required state and federal tax withholding requirements.

SEC source: 0001209191-21-016119 · doc4.xml · nonDerivative · entry 1

Crosswhite Mark A. · CIK 0001426400 · Chairman, President & CEO, APC

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 148,344

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 · security: Shares acquired upon vesting of final 1/3 of performance restricted stock units granted on February 27, 2018. Includes 735 accrued dividend equivalent units.

SEC source: 0001209191-21-016115 · doc4.xml · derivative · entry 4

Wilson Anthony L · CIK 0001538652 · President & CEO, MPC

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 0

Underlying: Southern Company Common Stock · 1,874 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 · security: Represents final 1/3 of performance restricted stock units granted on February 27, 2018. Each performance restricted stock unit represents the right to receive, at statement, one share of common stock. Additional units will be acquired with deemed dividends. Shares will be withheld upon vesting to satisfy tax requirements

F3 · derivative.exercise_date: Represents final 1/3 of performance restricted stock units granted on February 27, 2018. Each performance restricted stock unit represents the right to receive, at statement, one share of common stock. Additional units will be acquired with deemed dividends. Shares will be withheld upon vesting to satisfy tax requirements

F3 · derivative.expiration_date: Represents final 1/3 of performance restricted stock units granted on February 27, 2018. Each performance restricted stock unit represents the right to receive, at statement, one share of common stock. Additional units will be acquired with deemed dividends. Shares will be withheld upon vesting to satisfy tax requirements

SEC source: 0001209191-21-016115 · doc4.xml · nonDerivative · entry 2

Wilson Anthony L · CIK 0001538652 · President & CEO, MPC

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 53,121

F2 · security: Shares withheld to satisfy required state and federal tax withholding requirements.

SEC source: 0001209191-21-016115 · doc4.xml · nonDerivative · entry 1

Wilson Anthony L · CIK 0001538652 · President & CEO, MPC

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 54,073

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 · security: Shares acquired upon vesting of final 1/3 of performance restricted stock units granted on February 27, 2018. Includes 270 accrued dividend equivalent units.

SEC source: 0001209191-21-016110 · doc4.xml · derivative · entry 4

Cummiskey Christopher · CIK 0001642170 · EVP & CCCS Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 0

Underlying: Southern Company Common Stock · 905 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 · security: Represents final 1/3 of restricted stock units granted on February 27, 2018. Each restricted stock unit represents the right to receive, at statement, one share of common stock. Additional units will be acquired with deemed dividends. Shares will be withheld upon vesting to satisfy tax requirements.

F3 · derivative.exercise_date: Represents final 1/3 of restricted stock units granted on February 27, 2018. Each restricted stock unit represents the right to receive, at statement, one share of common stock. Additional units will be acquired with deemed dividends. Shares will be withheld upon vesting to satisfy tax requirements.

F3 · derivative.expiration_date: Represents final 1/3 of restricted stock units granted on February 27, 2018. Each restricted stock unit represents the right to receive, at statement, one share of common stock. Additional units will be acquired with deemed dividends. Shares will be withheld upon vesting to satisfy tax requirements.

SEC source: 0001209191-21-016110 · doc4.xml · nonDerivative · entry 2

Cummiskey Christopher · CIK 0001642170 · EVP & CCCS Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 19,298.1972

F2 · security: Shares withheld to satisfy required state and federal tax withholding requirements.

SEC source: 0001209191-21-016110 · doc4.xml · nonDerivative · entry 1

Cummiskey Christopher · CIK 0001642170 · EVP & CCCS Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 19,772.1972

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 · security: Shares acquired upon vesting of final 1/3 of restricted stock units granted on February 27, 2018. Includes 137 accrued dividend equivalent units.

SEC source: 0001209191-21-016105 · doc4.xml · derivative · entry 3

Anderson Bryan D · CIK 0001831824 · EVP & Pres. External Affairs

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 0

Underlying: Southern Company Common Stock · 677 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 · security: Represents final 1/3 of restricted stock units granted on February 27, 2018. Each restricted stock unit represents the right to receive, at statement, one share of common stock. Additional units will be acquired with deemed dividends. Shares will be withheld upon vesting to satisfy tax requirements.

F3 · derivative.exercise_date: Represents final 1/3 of restricted stock units granted on February 27, 2018. Each restricted stock unit represents the right to receive, at statement, one share of common stock. Additional units will be acquired with deemed dividends. Shares will be withheld upon vesting to satisfy tax requirements.

F3 · derivative.expiration_date: Represents final 1/3 of restricted stock units granted on February 27, 2018. Each restricted stock unit represents the right to receive, at statement, one share of common stock. Additional units will be acquired with deemed dividends. Shares will be withheld upon vesting to satisfy tax requirements.

SEC source: 0001209191-21-016105 · doc4.xml · nonDerivative · entry 2

Anderson Bryan D · CIK 0001831824 · EVP & Pres. External Affairs

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 24,110

F2 · security: Shares withheld to satisfy required state and federal tax withholding requirements.

SEC source: 0001209191-21-016105 · doc4.xml · nonDerivative · entry 1

Anderson Bryan D · CIK 0001831824 · EVP & Pres. External Affairs

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 24,486

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 · security: Shares acquired upon vesting of final 1/3 of restricted stock units granted on February 27, 2018. Includes 102 accrued dividend equivalent units.

SEC source: 0001209191-21-012732 · doc4.xml · nonDerivative · entry 1

Cummiskey Christopher · CIK 0001642170 · EVP & CCCS Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 18,730.1972

F1 · security: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $59.52 to $59.54, inclusive. The reporting person undertakes to provide to Southern Company, any security holder of Southern Company, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote (1) to this Form 4.

SEC source: 0001209191-21-011314 · doc4.xml · nonDerivative · entry 2

BOWERS WILLIAM P · CIK 0001225760 · Chairman & CEO, GPC

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 208,295

F2 · security: Shares withheld to satisfy required state and federal tax withholding requirements.

SEC source: 0001209191-21-011314 · doc4.xml · nonDerivative · entry 1

BOWERS WILLIAM P · CIK 0001225760 · Chairman & CEO, GPC

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 244,903

F1 · security: Shares acquired upon vesting of performance share units under the Company's Performance Share Program for the 2018-2020 award. The Compensation and Management Succession Committee certified performance on February 12, 2021. Includes accrued dividend equivalent units.

SEC source: 0001209191-21-011309 · doc4.xml · nonDerivative · entry 2

Connally Stan W · CIK 0001498337 · Executive Vice President, SCS

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 63,538

F2 · security: Shares withheld to satisfy required state and federal tax withholding requirements.

SEC source: 0001209191-21-011309 · doc4.xml · nonDerivative · entry 1

Connally Stan W · CIK 0001498337 · Executive Vice President, SCS

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 76,971

F1 · security: Shares acquired upon vesting of performance share units under the Company's Performance Share Program for the 2018-2020 award. The Compensation and Management Succession Committee certified performance on February 12, 2021. Includes accrued dividend equivalent units.

SEC source: 0001209191-21-011316 · doc4.xml · nonDerivative · entry 2

Anderson Bryan D · CIK 0001831824 · EVP & Pres. External Affairs

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 23,707

F2 · security: Shares withheld to satisfy required state and federal tax withholding requirements.

SEC source: 0001209191-21-011316 · doc4.xml · nonDerivative · entry 1

Anderson Bryan D · CIK 0001831824 · EVP & Pres. External Affairs

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 28,367

F1 · security: Shares acquired upon vesting of performance share units under the Company's Performance Share Program for the 2018-2020 award. The Compensation and Management Succession Committee certified performance on February 12, 2021. Includes accrued dividend equivalent units.

SEC source: 0001209191-21-011305 · doc4.xml · nonDerivative · entry 2

Crosswhite Mark A. · CIK 0001426400 · Chairman, President & CEO, APC

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 142,502

F2 · security: Shares withheld to satisfy required state and federal tax withholding requirements.

SEC source: 0001209191-21-011305 · doc4.xml · nonDerivative · entry 1

Crosswhite Mark A. · CIK 0001426400 · Chairman, President & CEO, APC

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 174,907

F1 · security: Shares acquired upon vesting of performance share units under the Company's Performance Share Program for the 2018-2020 award. The Compensation and Management Succession Committee certified performance on February 12, 2021. Includes accrued dividend equivalent units.

SEC source: 0001209191-21-011302 · doc4.xml · nonDerivative · entry 2

Cummiskey Christopher · CIK 0001642170 · EVP & CCCS Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 24,930.1972

F2 · security: Shares withheld to satisfy required state and federal tax withholding requirements.

SEC source: 0001209191-21-011302 · doc4.xml · nonDerivative · entry 1

Cummiskey Christopher · CIK 0001642170 · EVP & CCCS Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 30,796.1972

F1 · security: Shares acquired upon vesting of performance share units under the Company's Performance Share Program for the 2018-2020 award. The Compensation and Management Succession Committee certified performance on February 12, 2021. Includes accrued dividend equivalent units.

SEC source: 0001209191-21-011300 · doc4.xml · nonDerivative · entry 2

Daiss Ann P · CIK 0001354912 · Comptroller

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 23,660.2576

F2 · security: Shares withheld to satisfy required state and federal tax withholding requirements.

SEC source: 0001209191-21-011300 · doc4.xml · nonDerivative · entry 1

Daiss Ann P · CIK 0001354912 · Comptroller

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 29,396.2576

F1 · security: Shares acquired upon vesting of performance share units under the Company's Performance Share Program for the 2018-2020 award. The Compensation and Management Succession Committee certified performance on February 12, 2021. Includes accrued dividend equivalent units.

SEC source: 0001209191-21-011298 · doc4.xml · nonDerivative · entry 2

Evans Andrew W · CIK 0001338158 · Executive Vice President & CFO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 189,385

F2 · security: Shares withheld to satisfy required state and federal tax withholding requirements.

SEC source: 0001209191-21-011298 · doc4.xml · nonDerivative · entry 1

Evans Andrew W · CIK 0001338158 · Executive Vice President & CFO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 222,273

F1 · security: Shares acquired upon vesting of performance share units under the Company's Performance Share Program for the 2018-2020 award. The Compensation and Management Succession Committee certified performance on February 12, 2021. Includes accrued dividend equivalent units.

SEC source: 0001209191-21-011297 · doc4.xml · nonDerivative · entry 2

FANNING THOMAS A · CIK 0001227464 · President, CEO & Chairman

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 813,635.586

F2 · security: Shares withheld to satisfy required state and federal tax withholding requirements.