UNITED STATES
SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

SCHEDULE 14A

Proxy Statement Pursuant to Section 14(a) of the
Securities Exchange Act of 1934 (Amendment No. )

☑ Filed by the Registrant ☐ Filed by a Party other than the Registrant      

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☐   Preliminary Proxy Statement
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☐ Definitive Proxy Statement
☑   Definitive Additional Materials
☐ Soliciting Material Under Rule 14a-12

The Southern Company

(Name of Registrant as Specified in its Charter)

(Name of Person(s) Filing Proxy Statement, if Other Than the Registrant)

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*** Exercise Your Right to Vote ***
Important Notice Regarding the Availability of Proxy Materials for the
Stockholder Meeting to Be Held on May 23, 2018.

THE SOUTHERN COMPANY



C/O PROXY SERVICES
P.O. BOX 9112
FARMINGDALE, NY 11735

Meeting Information
Meeting Type: Annual Meeting
For holders as of: March 26, 2018
Date: May 23, 2018         Time: 10:00 a.m., ET
Location:  The Lodge Conference Center
Callaway Gardens
4500 Southern Pine Drive
Pine Mountain, GA 31822

You are receiving this communication because you hold shares in the company named above.

This is not a ballot. You cannot use this notice to vote these shares. This communication presents only an overview of the more complete proxy materials that are available to you on the Internet. You may view the proxy materials online at www.proxyvote.com, scan the QR Barcode on the reverse side or easily request a paper copy (see reverse side).

We encourage you to access and review all of the important information contained in the proxy materials before voting.

See the reverse side of this notice to obtain proxy materials and voting instructions.

























Before You Vote
   How to Access the Proxy Materials

Proxy Materials Available to VIEW or RECEIVE:

PROXY STATEMENT           ANNUAL REPORT

How to View Online:
Have the information that is printed in the box marked by the arrow ➔XXXX XXXX XXXX XXXX (located on the following page) and visit: www.proxyvote.com or scan the QR Barcode below.

How to Request and Receive a PAPER or E-MAIL Copy:
If you want to receive a paper or e-mail copy of these documents, you must request one. There is NO charge for requesting a copy. Please choose one of the following methods to make your request:

1)   BY INTERNET: www.proxyvote.com
2) BY TELEPHONE:      1-800-579-1639
3) BY E-MAIL*: sendmaterial@proxyvote.com
*If requesting materials by e-mail, please send a blank e-mail with the information that is printed in the box marked by the arrow ➔XXXX XXXX XXXX XXXX (located on the following page) in the subject line.

Requests, instructions and other inquiries sent to this e-mail address will NOT be forwarded to your investment advisor.
Please make the request as instructed above on or before May 9, 2018 to facilitate timely delivery.


How To Vote
   Please Choose One of the Following Voting Methods

Vote In Person: Many stockholder meetings have attendance requirements including, but not limited to, the possession of an attendance ticket issued by the entity holding the meeting. Please check the meeting materials for any special requirements for meeting attendance. At the meeting, you will need to request a ballot to vote these shares.

Vote By Internet: Go to www.proxyvote.com or, from a smartphone, scan the QR Barcode above. Have the information that is printed in the box marked by the arrow ➔XXXX XXXX XXXX XXXX (located on the following page) available and follow the instructions.

Vote By Mail: You can vote by mail by requesting a paper copy of the materials, which will include a proxy card.

























Voting Items

The Board of Directors recommends a vote FOR each
nominee in Item 1.

  
1.      ELECTION OF DIRECTORS:
  
1a.      Juanita Powell Baranco
  
1b. Jon A. Boscia
  
1c. Henry A. Clark III
  
1d. Thomas A. Fanning
  
1e. David J. Grain
  
1f. Veronica M. Hagen
  
1g. Linda P. Hudson
  
1h. Donald M. James
  
1i. John D. Johns
  
1j. Dale E. Klein
  
1k. Ernest J. Moniz
  
1l. William G. Smith, Jr.
  
1m. Steven R. Specker
  
1n. Larry D. Thompson
  
1o. E. Jenner Wood III

The Board of Directors recommends a vote FOR Items 2 and 3.

  
2.      ADVISORY VOTE TO APPROVE EXECUTIVE COMPENSATION
  
3. RATIFICATION OF THE APPOINTMENT OF DELOITTE & TOUCHE LLP AS THE INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM FOR 2018
  

The Board of Directors recommends a vote AGAINST Item 4.

  
4. STOCKHOLDER PROPOSAL ON AMENDMENT TO PROXY ACCESS BYLAW