SO

SEC source: 0001209191-17-015641 · doc4.xml · nonDerivative · entry 2

Kuczynski Stephen E · CIK 0001524757 · Pres. & CEO, Southern Nuclear

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 25,030

F1 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $50.63 to $50.74, 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 footnote (1) to this Form 4.

SEC source: 0001209191-17-015641 · doc4.xml · nonDerivative · entry 1

Kuczynski Stephen E · CIK 0001524757 · Pres. & CEO, Southern Nuclear

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 87,320

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.

SEC source: 0001209191-17-015640 · doc4.xml · derivative · entry 4

Connally Stan W · CIK 0001498337 · President & CEO, Gulf Power Co

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 0

Underlying: Southern Company Common Stock · 16,100 shares

Expires 2021-02-14

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: Options vest 33% per year on the anniversary of the grant date.

F2 · security: Includes the right to have shares withheld upon exercise to satisfy tax withholding obligations.

SEC source: 0001209191-17-015640 · doc4.xml · nonDerivative · entry 2

Connally Stan W · CIK 0001498337 · President & CEO, Gulf Power Co

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 3,324

SEC source: 0001209191-17-015640 · doc4.xml · nonDerivative · entry 1

Connally Stan W · CIK 0001498337 · President & CEO, Gulf Power Co

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 19,424

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.

SEC source: 0001209191-17-015642 · doc4.xml · nonDerivative · entry 1

WOMACK CHRISTOPHER C · CIK 0001195423 · EVP & Pres. External Affairs

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 10,150.9576

F1 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $50.36 to $50.37, 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 footnote (1) to this Form 4.

SEC source: 0001209191-17-011418 · doc4.xml · derivative · entry 4

WOMACK CHRISTOPHER C · CIK 0001195423 · EVP & Pres. External Affairs

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 0

Underlying: Southern Company Common Stock · 13,238 shares

Expires 2017-02-19

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: Includes the right to have shares withheld upon exercise to satisfy exercise price and tax withholding obligations.

F2 · security: Options vested 33% per year on each anniversary of the February 19, 2007 grant date.

F1 · derivative.exercise_date: Includes the right to have shares withheld upon exercise to satisfy exercise price and tax withholding obligations.

F2 · derivative.exercise_date: Options vested 33% per year on each anniversary of the February 19, 2007 grant date.

F1 · derivative.expiration_date: Includes the right to have shares withheld upon exercise to satisfy exercise price and tax withholding obligations.

F2 · derivative.expiration_date: Options vested 33% per year on each anniversary of the February 19, 2007 grant date.

SEC source: 0001209191-17-011418 · doc4.xml · nonDerivative · entry 2

WOMACK CHRISTOPHER C · CIK 0001195423 · EVP & Pres. External Affairs

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 12,332.9576

SEC source: 0001209191-17-011418 · doc4.xml · nonDerivative · entry 1

WOMACK CHRISTOPHER C · CIK 0001195423 · EVP & Pres. External Affairs

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 23,388.9576

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.

SEC source: 0001209191-17-010936 · doc4.xml · derivative · entry 1

WOMACK CHRISTOPHER C · CIK 0001195423 · EVP & Pres. External Affairs

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 2,032

Underlying: Southern Company Common Stock · 2,032 shares

Expires not disclosed

F1 · security: Restricted Stock Units are payable in Southern Company common stock and vest one-third per year on the first, second, and third anniversary of grant date. Additional units will be acquired with deemed dividends. Shares will be withheld upon vesting to satisfy tax requirements.

F1 · kind: Restricted Stock Units are payable in Southern Company common stock and vest one-third per year on the first, second, and third anniversary of grant date. Additional units will be acquired with deemed dividends. Shares will be withheld upon vesting to satisfy tax requirements.

F1 · price: Restricted Stock Units are payable in Southern Company common stock and vest one-third per year on the first, second, and third anniversary of grant date. Additional units will be acquired with deemed dividends. Shares will be withheld upon vesting to satisfy tax requirements.

F1 · derivative.exercise_date: Restricted Stock Units are payable in Southern Company common stock and vest one-third per year on the first, second, and third anniversary of grant date. Additional units will be acquired with deemed dividends. Shares will be withheld upon vesting to satisfy tax requirements.

F1 · derivative.expiration_date: Restricted Stock Units are payable in Southern Company common stock and vest one-third per year on the first, second, and third anniversary of grant date. Additional units will be acquired with deemed dividends. Shares will be withheld upon vesting to satisfy tax requirements.

SEC source: 0001209191-17-010935 · doc4.xml · derivative · entry 1

Lantrip Mark · CIK 0001600639 · President & CEO, SCS

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 2,032

Underlying: Southern Company Common Stock · 2,032 shares

Expires not disclosed

F1 · security: Restricted Stock Units are payable in Southern Company common stock and vest one-third per year on the first, second, and third anniversary of grant date. Additional units will be acquired with deemed dividends. Shares will be withheld upon vesting to satisfy tax requirements.

F1 · kind: Restricted Stock Units are payable in Southern Company common stock and vest one-third per year on the first, second, and third anniversary of grant date. Additional units will be acquired with deemed dividends. Shares will be withheld upon vesting to satisfy tax requirements.

F1 · price: Restricted Stock Units are payable in Southern Company common stock and vest one-third per year on the first, second, and third anniversary of grant date. Additional units will be acquired with deemed dividends. Shares will be withheld upon vesting to satisfy tax requirements.

F1 · derivative.exercise_date: Restricted Stock Units are payable in Southern Company common stock and vest one-third per year on the first, second, and third anniversary of grant date. Additional units will be acquired with deemed dividends. Shares will be withheld upon vesting to satisfy tax requirements.

F1 · derivative.expiration_date: Restricted Stock Units are payable in Southern Company common stock and vest one-third per year on the first, second, and third anniversary of grant date. Additional units will be acquired with deemed dividends. Shares will be withheld upon vesting to satisfy tax requirements.

SEC source: 0001209191-17-010932 · doc4.xml · derivative · entry 1

Daiss Ann P · CIK 0001354912 · Comptroller

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 1,550

Underlying: Southern Company Common Stock · 1,550 shares

Expires not disclosed

F1 · security: Restricted Stock Units are payable in Southern Company common stock and vest one-third per year on the first, second, and third anniversary of grant date. Additional units will be acquired with deemed dividends. Shares will be withheld upon vesting to satisfy tax requirements.

F1 · kind: Restricted Stock Units are payable in Southern Company common stock and vest one-third per year on the first, second, and third anniversary of grant date. Additional units will be acquired with deemed dividends. Shares will be withheld upon vesting to satisfy tax requirements.

F1 · price: Restricted Stock Units are payable in Southern Company common stock and vest one-third per year on the first, second, and third anniversary of grant date. Additional units will be acquired with deemed dividends. Shares will be withheld upon vesting to satisfy tax requirements.

F1 · derivative.exercise_date: Restricted Stock Units are payable in Southern Company common stock and vest one-third per year on the first, second, and third anniversary of grant date. Additional units will be acquired with deemed dividends. Shares will be withheld upon vesting to satisfy tax requirements.

F1 · derivative.expiration_date: Restricted Stock Units are payable in Southern Company common stock and vest one-third per year on the first, second, and third anniversary of grant date. Additional units will be acquired with deemed dividends. Shares will be withheld upon vesting to satisfy tax requirements.

SEC source: 0001209191-17-010933 · doc4.xml · derivative · entry 1

Kerr, II James Y · CIK 0001601624 · Executive VP & General Counsel

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 2,032

Underlying: Southern Company Common Stock · 2,032 shares

Expires not disclosed

F1 · security: Restricted Stock Units are payable in Southern Company common stock and vest one-third per year on the first, second, and third anniversary of grant date. Additional units will be acquired with deemed dividends. Shares will be withheld upon vesting to satisfy tax requirements.

F1 · kind: Restricted Stock Units are payable in Southern Company common stock and vest one-third per year on the first, second, and third anniversary of grant date. Additional units will be acquired with deemed dividends. Shares will be withheld upon vesting to satisfy tax requirements.

F1 · price: Restricted Stock Units are payable in Southern Company common stock and vest one-third per year on the first, second, and third anniversary of grant date. Additional units will be acquired with deemed dividends. Shares will be withheld upon vesting to satisfy tax requirements.

F1 · derivative.exercise_date: Restricted Stock Units are payable in Southern Company common stock and vest one-third per year on the first, second, and third anniversary of grant date. Additional units will be acquired with deemed dividends. Shares will be withheld upon vesting to satisfy tax requirements.

F1 · derivative.expiration_date: Restricted Stock Units are payable in Southern Company common stock and vest one-third per year on the first, second, and third anniversary of grant date. Additional units will be acquired with deemed dividends. Shares will be withheld upon vesting to satisfy tax requirements.

SEC source: 0001209191-17-003058 · doc4.xml · derivative · entry 4

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 0

Underlying: Southern Company Common Stock · 70,680 shares

Expires 2017-02-19

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 · security: Options vest 33% per year on the anniversary of the grant date.

F3 · security: Includes the right to have shares withheld upon exercise to satisfy tax withholding obligations.

F4 · security: Options were exercised and shares were sold pursuant to a Rule 10b5-1 plan.

SEC source: 0001209191-17-003058 · doc4.xml · nonDerivative · entry 2

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 51,989

F1 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $48.71 to $49.08, 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 footnote (1) to this Form 4.

SEC source: 0001209191-17-003058 · doc4.xml · nonDerivative · entry 1

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 122,669

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.

SEC source: 0001209191-17-000534 · doc4.xml · derivative · entry 1

BOSCIA JON A · CIK 0001157628 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 29,214.1069

Underlying: Southern Company Common Stock · 711.5267 shares

Expires not disclosed

F1 · derivative.exercise_date: Acquired pursuant to Southern's Deferred Compensation Plan, payable in stock only upon termination. There is no exercise or expiration date.

F1 · derivative.expiration_date: Acquired pursuant to Southern's Deferred Compensation Plan, payable in stock only upon termination. There is no exercise or expiration date.

SEC source: 0001209191-17-000536 · doc4.xml · derivative · entry 1

GRAIN DAVID J · CIK 0001249303 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 20,824.4935

Underlying: Southern Company Common Stock · 1,372.2301 shares

Expires not disclosed

F1 · derivative.exercise_date: Acquired pursuant to Southern's Deferred Compensation Plan, payable in stock only upon termination. There is no exercise or expiration date.

F1 · derivative.expiration_date: Acquired pursuant to Southern's Deferred Compensation Plan, payable in stock only upon termination. There is no exercise or expiration date.

SEC source: 0001209191-17-000542 · doc4.xml · derivative · entry 1

JOHNS JOHN D · CIK 0001189571 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 34,290.9902

Underlying: Southern Company Common Stock · 1,372.2301 shares

Expires not disclosed

F1 · derivative.exercise_date: Acquired pursuant to Southern's Deferred Compensation Plan, payable in stock only upon termination. There is no exercise or expiration date.

F1 · derivative.expiration_date: Acquired pursuant to Southern's Deferred Compensation Plan, payable in stock only upon termination. There is no exercise or expiration date.

SEC source: 0001209191-17-000547 · doc4.xml · derivative · entry 1

WOOD E JENNER III · CIK 0001015221 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 27,347.5784

Underlying: Southern Company Common Stock · 851.2909 shares

Expires not disclosed

F1 · derivative.exercise_date: Acquired pursuant to Southern's Deferred Compensation Plan, payable in stock only upon termination. There is no exercise or expiration date.

F1 · derivative.expiration_date: Acquired pursuant to Southern's Deferred Compensation Plan, payable in stock only upon termination. There is no exercise or expiration date.

SEC source: 0001209191-17-000546 · doc4.xml · derivative · entry 1

Thompson Larry D. · CIK 0001267205 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 11,296.7723

Underlying: Southern Company Common Stock · 1,423.0535 shares

Expires not disclosed

F1 · derivative.exercise_date: Acquired pursuant to Southern's Deferred Compensation Plan, payable in stock only upon termination. There is no exercise or expiration date.

F1 · derivative.expiration_date: Acquired pursuant to Southern's Deferred Compensation Plan, payable in stock only upon termination. There is no exercise or expiration date.

SEC source: 0001209191-17-000545 · doc4.xml · derivative · entry 1

Specker Steven R. · CIK 0001503916 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 18,386.4819

Underlying: Southern Company Common Stock · 711.5267 shares

Expires not disclosed

F1 · derivative.exercise_date: Acquired pursuant to Southern's Deferred Compensation Plan, payable in stock only upon termination. There is no exercise or expiration date.

F1 · derivative.expiration_date: Acquired pursuant to Southern's Deferred Compensation Plan, payable in stock only upon termination. There is no exercise or expiration date.

SEC source: 0001209191-17-000544 · doc4.xml · derivative · entry 1

SMITH WILLIAM G JR · CIK 0000909019 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 72,769.4208

Underlying: Southern Company Common Stock · 1,270.5835 shares

Expires not disclosed

F1 · derivative.exercise_date: Acquired pursuant to Southern's Deferred Compensation Plan, payable in stock only upon termination. There is no exercise or expiration date.

F1 · derivative.expiration_date: Acquired pursuant to Southern's Deferred Compensation Plan, payable in stock only upon termination. There is no exercise or expiration date.

SEC source: 0001209191-17-000543 · doc4.xml · derivative · entry 1

Klein Dale E. · CIK 0001493467 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 19,197.3721

Underlying: Southern Company Common Stock · 711.5267 shares

Expires not disclosed

F1 · derivative.exercise_date: Acquired pursuant to Southern's Deferred Compensation Plan, payable in stock only upon termination. There is no exercise or expiration date.

F1 · derivative.expiration_date: Acquired pursuant to Southern's Deferred Compensation Plan, payable in stock only upon termination. There is no exercise or expiration date.

SEC source: 0001209191-17-000540 · doc4.xml · derivative · entry 1

JAMES DONALD M · CIK 0001188417 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 116,750.3114

Underlying: Southern Company Common Stock · 1,270.5835 shares

Expires not disclosed

F1 · derivative.exercise_date: Acquired pursuant to Southern's Deferred Compensation Plan, payable in stock only upon termination. There is no exercise or expiration date.

F1 · derivative.expiration_date: Acquired pursuant to Southern's Deferred Compensation Plan, payable in stock only upon termination. There is no exercise or expiration date.

SEC source: 0001209191-17-000539 · doc4.xml · derivative · entry 1

HUDSON LINDA P · CIK 0001222196 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 8,348.7122

Underlying: Southern Company Common Stock · 711.5267 shares

Expires not disclosed

F1 · derivative.exercise_date: Acquired pursuant to Southern's Deferred Compensation Plan, payable in stock only upon termination. There is no exercise or expiration date.

F1 · derivative.expiration_date: Acquired pursuant to Southern's Deferred Compensation Plan, payable in stock only upon termination. There is no exercise or expiration date.

SEC source: 0001209191-17-000538 · doc4.xml · derivative · entry 1

Hood Warren A Jr · CIK 0001297575 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 60,610.0655

Underlying: Southern Company Common Stock · 1,270.5835 shares

Expires not disclosed

F1 · derivative.exercise_date: Acquired pursuant to Southern's Deferred Compensation Plan, payable in stock only upon termination. There is no exercise or expiration date.

F1 · derivative.expiration_date: Acquired pursuant to Southern's Deferred Compensation Plan, payable in stock only upon termination. There is no exercise or expiration date.

SEC source: 0001209191-17-000537 · doc4.xml · derivative · entry 1

HAGEN VERONICA M · CIK 0001281028 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 51,011.4893

Underlying: Southern Company Common Stock · 1,372.2301 shares

Expires not disclosed

F1 · derivative.exercise_date: Acquired pursuant to Southern's Deferred Compensation Plan, payable in stock only upon termination. There is no exercise or expiration date.

F1 · derivative.expiration_date: Acquired pursuant to Southern's Deferred Compensation Plan, payable in stock only upon termination. There is no exercise or expiration date.

SEC source: 0001209191-17-000535 · doc4.xml · derivative · entry 1

Clark Henry A III · CIK 0001474932 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 22,342.4269

Underlying: Southern Company Common Stock · 711.5267 shares

Expires not disclosed

F1 · derivative.exercise_date: Acquired pursuant to Southern's Deferred Compensation Plan, payable in stock only upon termination. There is no exercise or expiration date.

F1 · derivative.expiration_date: Acquired pursuant to Southern's Deferred Compensation Plan, payable in stock only upon termination. There is no exercise or expiration date.

SEC source: 0001209191-17-000533 · doc4.xml · derivative · entry 1

BARANCO JUANITA P · CIK 0001198001 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 85,451.8222

Underlying: Southern Company Common Stock · 1,270.5835 shares

Expires not disclosed

F1 · derivative.exercise_date: Acquired pursuant to Southern's Deferred Compensation Plan, payable in stock only upon termination. There is no exercise or expiration date.

F1 · derivative.expiration_date: Acquired pursuant to Southern's Deferred Compensation Plan, payable in stock only upon termination. There is no exercise or expiration date.

SEC source: 0001209191-17-019523 · doc4a.xml · derivative · entry 1

WOOD E JENNER III · CIK 0001015221 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 27,508.1577

Underlying: Southern Company Common Stock · 711.5269 shares

Expires not disclosed

F1 · shares: This amended Form 4 is being filed to correct the number of deferred stock units acquired. Due to an administrative error, the number of deferred stock units in the original filing was overstated by 139.764 units.

F2 · derivative.exercise_date: Acquired pursuant to Southern's Deferred Compensation Plan, payable in stock only upon termination. There is no exercise or expiration date.

F2 · derivative.expiration_date: Acquired pursuant to Southern's Deferred Compensation Plan, payable in stock only upon termination. There is no exercise or expiration date.

F1 · derivative.underlying_shares: This amended Form 4 is being filed to correct the number of deferred stock units acquired. Due to an administrative error, the number of deferred stock units in the original filing was overstated by 139.764 units.

SEC source: 0001209191-17-019521 · doc4a.xml · derivative · entry 1

JAMES DONALD M · CIK 0001188417 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 117,545.6115

Underlying: Southern Company Common Stock · 711.5265 shares

Expires not disclosed

F1 · shares: This amended Form 4 is being filed to correct the number of deferred stock units acquired. Due to an administrative error, the number of deferred stock units in the original filing was overstated by 559.057 units.

F2 · derivative.exercise_date: Acquired pursuant to Southern's Deferred Compensation Plan, payable in stock only upon termination. There is no exercise or expiration date.

F2 · derivative.expiration_date: Acquired pursuant to Southern's Deferred Compensation Plan, payable in stock only upon termination. There is no exercise or expiration date.

F1 · derivative.underlying_shares: This amended Form 4 is being filed to correct the number of deferred stock units acquired. Due to an administrative error, the number of deferred stock units in the original filing was overstated by 559.057 units.

SEC source: 0001209191-18-001176 · doc4.xml · derivative · entry 3

Evans Andrew W · CIK 0001338158 · Pres & CEO, Southern Co. Gas

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 84,035

Underlying: Southern Company Common Stock · 28,704 shares

Expires 2016-12-31

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.

F4 · security: As reported in a Form 4 filed on July 6, 2016, in accordance with the Agreement and Plan of Merger dated August 23, 2015 by and among AGL Resources Inc., The Southern Company and AMS Corp., outstanding performance share units of AGL Resources Inc. were assumed by Southern Company and converted into time vesting RSUs of Southern Company. Vesting of the RSUs is as follows: 28,704 RSUs vest December 31, 2016; 37,980 RSUs vest December 31, 2017; and 46,055 RSUs vest December 31, 2018.

F2 · derivative.exercise_price: Each restricted stock unit (RSU) represents the right to receive, at settlement, one share of common stock.

F2 · price: Each restricted stock unit (RSU) represents the right to receive, at settlement, one share of common stock.

SEC source: 0001209191-18-001176 · doc4.xml · nonDerivative · entry 2

Evans Andrew W · CIK 0001338158 · Pres & CEO, Southern Co. Gas

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 11,316

F3 · security: Shares withheld to satisfy required state and federal tax withholding requirements.

SEC source: 0001209191-18-001176 · doc4.xml · nonDerivative · entry 1

Evans Andrew W · CIK 0001338158 · Pres & CEO, Southern Co. Gas

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 28,704

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: In a review of our records, it was determined that the Form 4 to report the vesting of the December 31, 2016 tranche of the RSU award granted on July 1, 2016 was inadvertently missed. This Form 4 is being filed to report the December 31, 2016 vesting and reflects share ownership as of such time.

F2 · price: Each restricted stock unit (RSU) represents the right to receive, at settlement, one share of common stock.

SEC source: 0001209191-16-156785 · doc4.xml · derivative · entry 1

Connally Stan W · CIK 0001498337 · President & CEO, Gulf Power Co

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 3,115.8119

Underlying: Southern Company Common Stock · 22.6296 shares

Expires not disclosed

F1 · derivative.exercise_date: Includes phantom stock units acquired as if reinvested in the dividend reinvestment plan. There is no exercise or expiration date.

F1 · derivative.expiration_date: Includes phantom stock units acquired as if reinvested in the dividend reinvestment plan. There is no exercise or expiration date.

SEC source: 0001209191-16-154829 · doc4.xml · derivative · entry 1

Connally Stan W · CIK 0001498337 · President & CEO, Gulf Power Co

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 3,093.1823

Underlying: Southern Company Common Stock · 23.2999 shares

Expires not disclosed

F1 · derivative.exercise_date: Includes phantom stock units acquired as if reinvested in the dividend reinvestment plan. There is no exercise or expiration date.

F1 · derivative.expiration_date: Includes phantom stock units acquired as if reinvested in the dividend reinvestment plan. There is no exercise or expiration date.

SEC source: 0001209191-16-153588 · doc4.xml · derivative · entry 1

Sykes Nancy E · CIK 0001691094 · EVP & CHRO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 17,068

Underlying: Southern Company Common Stock · 17,068 shares

Expires not disclosed

F1 · derivative.exercise_price: Each restricted stock unit represents a contingent right to receive one share of Southern Company Common Stock.

F2 · derivative.exercise_date: The restricted stock units vest 25% on December 5, 2017, 25% on December 5, 2018 and 50% on December 5, 2019. Additional units will be acquired with deemed dividends. Shares will be withheld upon vesting to satisfy tax requirements.

F2 · derivative.expiration_date: The restricted stock units vest 25% on December 5, 2017, 25% on December 5, 2018 and 50% on December 5, 2019. Additional units will be acquired with deemed dividends. Shares will be withheld upon vesting to satisfy tax requirements.

SEC source: 0001209191-16-152139 · doc4.xml · derivative · entry 1

Connally Stan W · CIK 0001498337 · President & CEO, Gulf Power Co

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 3,033.9615

Underlying: Southern Company Common Stock · 23.6502 shares

Expires not disclosed

F1 · derivative.exercise_date: Includes phantom stock units acquired as if reinvested in the dividend reinvestment plan. There is no exercise or expiration date.

F1 · derivative.expiration_date: Includes phantom stock units acquired as if reinvested in the dividend reinvestment plan. There is no exercise or expiration date.

SEC source: 0001209191-16-149551 · doc4.xml · derivative · entry 1

Connally Stan W · CIK 0001498337 · President & CEO, Gulf Power Co

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 3,010.3113

Underlying: Southern Company Common Stock · 23.3779 shares

Expires not disclosed

F1 · derivative.exercise_date: Includes phantom stock units acquired as if reinvested in the dividend reinvestment plan. There is no exercise or expiration date.

F1 · derivative.expiration_date: Includes phantom stock units acquired as if reinvested in the dividend reinvestment plan. There is no exercise or expiration date.

SEC source: 0001209191-16-147377 · doc4.xml · derivative · entry 1

Connally Stan W · CIK 0001498337 · President & CEO, Gulf Power Co

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 2,986.9334

Underlying: Southern Company Common Stock · 22.0315 shares

Expires not disclosed

F1 · derivative.exercise_date: Includes phantom stock units acquired as if reinvested in the dividend reinvestment plan. There is no exercise or expiration date.

F1 · derivative.expiration_date: Includes phantom stock units acquired as if reinvested in the dividend reinvestment plan. There is no exercise or expiration date.

SEC source: 0001209191-16-146119 · doc4.xml · derivative · entry 1

Connally Stan W · CIK 0001498337 · President & CEO, Gulf Power Co

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 2,964.9019

Underlying: Southern Company Common Stock · 22.0925 shares

Expires not disclosed

F1 · derivative.exercise_date: Includes phantom stock units acquired as if reinvested in the dividend reinvestment plan. There is no exercise or expiration date.

F1 · derivative.expiration_date: Includes phantom stock units acquired as if reinvested in the dividend reinvestment plan. There is no exercise or expiration date.

SEC source: 0001209191-16-143511 · doc4.xml · derivative · entry 1

Specker Steven R. · CIK 0001503916 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 17,519.1685

Underlying: Southern Company Common Stock · 682.2612 shares

Expires not disclosed

F1 · derivative.exercise_date: Acquired pursuant to Southern's Deferred Compensation Plan, payable in stock only upon termination. There is no exercise or expiration date.

F1 · derivative.expiration_date: Acquired pursuant to Southern's Deferred Compensation Plan, payable in stock only upon termination. There is no exercise or expiration date.

SEC source: 0001209191-16-143513 · doc4.xml · derivative · entry 1

WOOD E JENNER III · CIK 0001015221 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 26,253.0447

Underlying: Southern Company Common Stock · 816.2768 shares

Expires not disclosed

F1 · derivative.exercise_date: Acquired pursuant to Southern's Deferred Compensation Plan, payable in stock only upon termination. There is no exercise or expiration date.

F1 · derivative.expiration_date: Acquired pursuant to Southern's Deferred Compensation Plan, payable in stock only upon termination. There is no exercise or expiration date.

SEC source: 0001209191-16-143512 · doc4.xml · derivative · entry 1

Thompson Larry D. · CIK 0001267205 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 9,786.4686

Underlying: Southern Company Common Stock · 1,364.5224 shares

Expires not disclosed

F1 · derivative.exercise_date: Acquired pursuant to Southern's Deferred Compensation Plan, payable in stock only upon termination. There is no exercise or expiration date.

F1 · derivative.expiration_date: Acquired pursuant to Southern's Deferred Compensation Plan, payable in stock only upon termination. There is no exercise or expiration date.

SEC source: 0001209191-16-143510 · doc4.xml · derivative · entry 1

SMITH WILLIAM G JR · CIK 0000909019 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 70,796.194

Underlying: Southern Company Common Stock · 1,218.3236 shares

Expires not disclosed

F1 · derivative.exercise_date: Acquired pursuant to Southern's Deferred Compensation Plan, payable in stock only upon termination. There is no exercise or expiration date.

F1 · derivative.expiration_date: Acquired pursuant to Southern's Deferred Compensation Plan, payable in stock only upon termination. There is no exercise or expiration date.

SEC source: 0001209191-16-143509 · doc4.xml · derivative · entry 1

Klein Dale E. · CIK 0001493467 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 18,321.4402

Underlying: Southern Company Common Stock · 682.2612 shares

Expires not disclosed

F1 · derivative.exercise_date: Acquired pursuant to Southern's Deferred Compensation Plan, payable in stock only upon termination. There is no exercise or expiration date.

F1 · derivative.expiration_date: Acquired pursuant to Southern's Deferred Compensation Plan, payable in stock only upon termination. There is no exercise or expiration date.

SEC source: 0001209191-16-143508 · doc4.xml · derivative · entry 1

JOHNS JOHN D · CIK 0001189571 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 32,599.7854

Underlying: Southern Company Common Stock · 1,315.7895 shares

Expires not disclosed

F1 · derivative.exercise_date: Acquired pursuant to Southern's Deferred Compensation Plan, payable in stock only upon termination. There is no exercise or expiration date.

F1 · derivative.expiration_date: Acquired pursuant to Southern's Deferred Compensation Plan, payable in stock only upon termination. There is no exercise or expiration date.

SEC source: 0001209191-16-143507 · doc4.xml · derivative · entry 1

JAMES DONALD M · CIK 0001188417 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 114,309.6471

Underlying: Southern Company Common Stock · 1,218.3236 shares

Expires not disclosed

F1 · derivative.exercise_date: Acquired pursuant to Southern's Deferred Compensation Plan, payable in stock only upon termination. There is no exercise or expiration date.

F1 · derivative.expiration_date: Acquired pursuant to Southern's Deferred Compensation Plan, payable in stock only upon termination. There is no exercise or expiration date.

SEC source: 0001209191-16-143506 · doc4.xml · derivative · entry 1

HUDSON LINDA P · CIK 0001222196 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 7,588.0821

Underlying: Southern Company Common Stock · 682.2612 shares

Expires not disclosed

F1 · derivative.exercise_date: Acquired pursuant to Southern's Deferred Compensation Plan, payable in stock only upon termination. There is no exercise or expiration date.

F1 · derivative.expiration_date: Acquired pursuant to Southern's Deferred Compensation Plan, payable in stock only upon termination. There is no exercise or expiration date.