Transfer Agent
Wells Fargo Shareowner Services is Southern Company’s transfer agent, dividend-paying agent, investment plan administrator and registrar. If you have questions concerning your registered Southern Company shareowner account, please contact:

Wells Fargo Shareowner Services
1110 Centre Pointe Curve, Suite 101
Mendota Heights, Minnesota 55120

Telephone: 1.800.554.7626
Website: shareowneronline.com

Southern Company Shareholder Relations
Telephone: 404.506.0965
Email: stockholders@southernco.com

Southern Investment Plan
The Southern Investment Plan is a convenient way to become a Southern Company shareholder. Participants in the Plan can purchase additional shares in Southern Company through optional cash purchases and reinvestment of dividends. The Southern Investment Plan prospectus can be found at www.southerncompany.com.

Dividend Payments
Southern Company has paid dividends since 1948. Historically, dividends are declared and paid quarterly at the discretion of the Board of Directors.

Annual Meeting
The 2017 Annual Meeting of Stockholders will be held Wednesday, May 24, at 10 a.m. ET at The Lodge Conference Center at Callaway Gardens, Highway 18, Pine Mountain, Ga. 31822.

Auditors
Deloitte & Touche LLP
191 Peachtree St. NE
Suite 2000
Atlanta, GA 30303

Investor Information
For information about earnings and dividends, stock quotes and current news releases, please visit us at investor.southerncompany.com.

Institutional Investor Inquiries
Southern Company maintains an investor relations office in Atlanta, Georgia, 404.506.0780, to meet the information needs of institutional investors and securities analysts.

Electronic Delivery of Proxy Materials
Any stockholder may enroll for electronic delivery of proxy materials by logging on at www.icsdelivery.com/so.

Environmental Information
Southern Company publishes information on its activities to meet environmental commitments at www.southerncompany.com/corporate-responsibility.

To request printed materials, write to:

Director, Environmental Affairs
Research and Environmental Affairs
600 North 18th St.
Bin 14N-8195
Birmingham, AL 35203-2206

Common Stock
Southern Company common stock is listed on the NYSE under the ticker symbol SO. On December 31, 2016, Southern Company had 126,338 shareholders of record.

The 2016 summary annual report is submitted for shareholders’ information. It is not intended for use in connection with any sale or purchase of, or any solicitation of, offers to buy or sell securities.

Visit our website at www.southerncompany.com

Visit our Corporate Responsibility Report at www.southerncompany.com/corporate-responsibility

Follow us on Twitter at www.twitter.com/southerncompany