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   x

Check the appropriate box:

¨ Preliminary Proxy Statement

¨ Confidential, for Use of the Commission Only (as permitted by Rule 14a-6(e)(2))

¨ Definitive Proxy Statement

¨ Definitive Additional Materials

x Soliciting Material Pursuant to § 240.14a-12

AGL Resources Inc.

(Name of Registrant as Specified In Its Charter)

The Southern Company

(Name of Person(s) Filing Proxy Statement, if other than the Registrant)

Payment of Filing Fee (Check the appropriate box):

x	No fee required.
¨	Fee computed on table below per Exchange Act Rules 14a-6(i)(1) and 0-11.
	(1)	Title of each class of securities to which transaction applies:
	(2)	Aggregate number of securities to which transaction applies:
	(3)	Per unit price or other underlying value of transaction computed pursuant to Exchange Act Rule 0-11 (set forth the amount on which the filing fee is calculated and state how it was determined). Because the issuer has an accumulated capital deficit as of its most recent balance sheet (dated January 31, 2012), under Rule 0-11(a)(4) the deemed par value of the securities is to be used:
	(4)	Proposed maximum aggregate value of transaction:
	(5)	Total fee paid:
¨		Fee paid previously with preliminary materials.
¨		Check box if any part of the fee is offset as provided by Exchange Act Rule 0-11(a)(2) and identify the filing for which the offsetting fee was paid previously. Identify the previous filing by registration statement number, or the form or schedule and the date of its filing.
	(1)	Amount Previously Paid:
	(2)	Form, Schedule or Registration Statement No.:
	(3)	Filing Party:
	(4)	Date Filed:

Filed by The Southern Company

Pursuant to Rule 14a-12 under the

Securities Exchange Act of 1934, as amended

Subject Company: AGL Resources Inc.

Commission File No.: 001-14174

The Southern Company and AGL Resources Inc. Conference Call - August 24, 2015, 10:00 a.m. ET

Additional Information and Where To Find It

Southern Company expects AGL Resources to announce a shareholder meeting soon to obtain shareholder approval in connection with the proposed merger between AGL Resources and Southern Company. Southern Company expects AGL Resources to file with the Securities and Exchange Commission (the “SEC”) a proxy statement and other relevant documents in connection with the proposed merger. INVESTORS OF AGL RESOURCES ARE URGED TO READ THE DEFINITIVE PROXY STATEMENT AND OTHER RELEVANT MATERIALS CAREFULLY AND IN THEIR ENTIRETY WHEN THEY BECOME AVAILABLE BECAUSE THEY WILL CONTAIN IMPORTANT INFORMATION ABOUT AGL RESOURCES, SOUTHERN COMPANY AND THE PROPOSED MERGER. Investors may obtain a free copy of these materials (when they are available) and other documents filed by AGL Resources with the SEC at the SEC’s website at www.sec.gov, at AGL Resources’ website at www.aglresources.com or by sending a written request to AGL Resources, P.O. Box 4569, Atlanta, GA 30302-4569. Security holders may also read and copy any reports, statements and other

information filed by AGL Resources and Southern Company with the SEC, at the SEC public reference room at 100 F Street, N.E., Washington, D.C. 20549. Please call the SEC at 1-800-SEC-0330 or visit the SEC’s website for further information on its public reference room.

Participants in the Merger Solicitation

Southern Company, AGL Resources, and certain of their respective directors, executive officers and other persons may be deemed to be participants in the solicitation of proxies in respect of the proposed merger. Information regarding Southern Company’s directors and executive officers is available in Southern Company’s proxy statement filed with the SEC on April 10, 2015 in connection with its 2015 annual meeting of stockholders, and information regarding AGL Resources’ directors and executive officers is available in AGL Resources’ proxy statement filed with the SEC on March 17, 2015 in connection with its 2015 annual meeting of shareholders. Other information regarding persons who may be deemed participants in the proxy solicitation and a description of their direct and indirect interests, by security holdings or otherwise, will be contained in the definitive proxy statement and other relevant materials to be filed with the SEC when they become available.

Cautionary Statements Regarding Forward-Looking Information

This communication contains forward-looking statements which are made pursuant to safe harbor provisions of the Private Securities Litigation Reform Act of 1995. These forward-looking statements include statements, among other things, concerning the expected benefits of the proposed transaction and the expected timing of the completion of the transaction. These forward-looking statements are often characterized by the use of words such as “expect,” “anticipate,” “plan,” “believe,” “may,” “should,” “will,” “could,” “continue” and the negative or plural of these words and other comparable terminology. Although Southern Company believes that the expectations reflected in such forward-looking statements are reasonable, such statements involve risks and uncertainties and undue reliance should not be placed on such statements. Certain material factors or assumptions are applied in making forward-looking statements, including, but not limited to, factors and assumptions regarding the items outlined above. Actual results may differ materially from those expressed or implied in such statements. Important factors that could cause actual results to differ materially from these expectations include, among other things, the following: the failure to receive, on a timely basis or otherwise, the required approvals by AGL Resources shareholders and government or regulatory agencies (including the terms of such approvals); the possibility that long-term financing for the transaction may not be put in place prior to the closing; the risk that a condition to closing of the merger or the committed financing may not be satisfied; the possibility that the anticipated benefits from the proposed merger cannot be fully realized or may take longer to realize than expected; the possibility that costs related to the integration of Southern Company and AGL Resources will be greater than expected; the credit ratings of the combined company or its subsidiaries may be different from what the parties expect; the ability to retain and hire key personnel and maintain relationships with customers, suppliers or other business partners; the diversion of management time on merger-related issues; the impact of legislative, regulatory and competitive changes; and other risk factors relating to the energy industry, as detailed from time to time in each of Southern Company’s and AGL Resources’ reports filed with the Securities and Exchange Commission. There can be no assurance that the proposed transaction will in fact be consummated.

Additional information about these factors and about the material factors or assumptions underlying such forward-looking statements may be found in the body of this communication, as well as under Item 1A. in each of Southern Company’s and AGL Resources’ Annual Reports on Form 10-K for the fiscal year ended December 31, 2014 and Item 1A. in each of Southern Company’s and AGL Resources’ most recent Quarterly Reports on Form 10-Q for the quarter ended June 30, 2015. Southern Company cautions that the foregoing list of important factors that may affect future results is not exhaustive. When relying on forward-looking statements to make decisions with respect to Southern Company and AGL Resources, investors and others should carefully consider the foregoing factors and other uncertainties and potential events. All subsequent written and oral forward-looking statements concerning the proposed transaction or ot

her matters attributable to Southern Company or AGL Resources or any other person acting on their behalf are expressly qualified in their entirety by the cautionary statements referenced above. The forward-looking statements contained herein speak only as of the date of this communication. Southern Company undertakes no obligation to update or revise any forward-looking statement, except as may be required by law.