SOUTHERN CO

For the period ended Mar 31, 2024. Filed May 2, 2024.

About this filing

A company's report for each of its first three quarters. The financial statements are not audited. It shows how the business has moved since the last annual report, and what management says changed.

Mar 31, 2024 · Filed May 2, 2024

SO$93.57+1.3%Stored close · as of Nov 9, 2026

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Contents

Item 6. Exhibits

The exhibits below with an asterisk (*) preceding the exhibit number are filed herewith. The remaining exhibits have previously been filed with the SEC and are incorporated herein by reference. The exhibits marked with a pound sign (#) are management contracts or compensatory plans or arrangements.

(4) Instruments Describing Rights of Security Holders, Including Indentures
Georgia Power
(c)1	Sixty-Ninth Supplemental Indenture to Senior Note Indenture dated as of February 23, 2024 providing for the issuance of the Series 2024A 5.004% Senior Notes due February 23, 2027.(Designated in Form 8-K dated February 20, 2024, File No. 1-6468 as Exhibit 4.2(a).)
(c)2	Seventieth Supplemental Indenture to Senior Note Indenture dated as of February 23, 2024 providing for the issuance of the Series 2024B 5.250% Senior Notes due March 15, 2034.(Designated in Form 8-K dated February 20, 2024, File No. 1-6468 as Exhibit 4.2(b).)

	Mississippi Power
*	(d)1		Third Supplemental Indenture to Senior Note Indenture dated as of March 27, 2024, providing for the issuance of the Series 2024A 5.62% Senior Notes due March 15, 2034.
*	(d)2		Fourth Supplemental Indenture to Senior Note Indenture dated as of March 27, 2024, providing for the issuance of the Series 2024B 5.72% Senior Notes due March 15, 2036.
	(24) Power of Attorney and Resolutions
	Southern Company
	(a)	-	Power of Attorney and resolution. (Designated in the Form 10-K for the year ended December 31, 2023, File No. 1-3526 as Exhibit 24(a)1.)
	Alabama Power
	(b)	-	Power of Attorney and resolution. (Designated in the Form 10-K for the year ended December 31, 2023, File No. 1-3164 as Exhibit 24(b)1.)
	Georgia Power
	(c)	-	Power of Attorney and resolution. (Designated in the Form 10-K for the year ended December 31, 2023, File No. 1-6468 as Exhibit 24(c)1.)
	Mississippi Power
	(d)	-	Power of Attorney and resolution. (Designated in the Form 10-K for the year ended December 31, 2023, File No. 001-11229 as Exhibit 24(d)1.)
	Southern Power
	(e)	-	Power of Attorney and resolution. (Designated in the Form 10-K for the year ended December 31, 2023, File No. 001-37803 as Exhibit 24(e)1.)
	Southern Company Gas
	(f)	-	Power of Attorney and resolution. (Designated in the Form 10-K for the year ended December 31, 2023, File No. 1-14174 as Exhibit 24(f)1.)
	(31) Section 302 Certifications
	Southern Company
*	(a)1	-	Certificate of Southern Company's Chief Executive Officer required by Section 302 of the Sarbanes-Oxley Act of 2002.
*	(a)2	-	Certificate of Southern Company's Chief Financial Officer required by Section 302 of the Sarbanes-Oxley Act of 2002.
	Alabama Power
*	(b)1	-	Certificate of Alabama Power's Chief Executive Officer required by Section 302 of the Sarbanes-Oxley Act of 2002.
*	(b)2	-	Certificate of Alabama Power's Chief Financial Officer required by Section 302 of the Sarbanes-Oxley Act of 2002.
	Georgia Power
*	(c)1	-	Certificate of Georgia Power's Chief Executive Officer required by Section 302 of the Sarbanes-Oxley Act of 2002.
*	(c)2	-	Certificate of Georgia Power's Chief Financial Officer required by Section 302 of the Sarbanes-Oxley Act of 2002.
	Mississippi Power
*	(d)1	-	Certificate of Mississippi Power's Chief Executive Officer required by Section 302 of the Sarbanes-Oxley Act of 2002.

*	(d)2	-	Certificate of Mississippi Power's Chief Financial Officer required by Section 302 of the Sarbanes-Oxley Act of 2002.
	Southern Power
*	(e)1	-	Certificate of Southern Power Company's Chief Executive Officer required by Section 302 of the Sarbanes-Oxley Act of 2002.
*	(e)2	-	Certificate of Southern Power Company's Chief Financial Officer required by Section 302 of the Sarbanes-Oxley Act of 2002.
	Southern Company Gas
*	(f)1	-	Certificate of Southern Company Gas' Chief Executive Officer required by Section 302 of the Sarbanes-Oxley Act of 2002.
*	(f)2	-	Certificate of Southern Company Gas' Chief Financial Officer required by Section 302 of the Sarbanes-Oxley Act of 2002.
	(32) Section 906 Certifications
	Southern Company
*	(a)	-	Certificate of Southern Company's Chief Executive Officer and Chief Financial Officer required by Section 906 of the Sarbanes-Oxley Act of 2002.
	Alabama Power
*	(b)	-	Certificate of Alabama Power's Chief Executive Officer and Chief Financial Officer required by Section 906 of the Sarbanes-Oxley Act of 2002.
	Georgia Power
*	(c)	-	Certificate of Georgia Power's Chief Executive Officer and Chief Financial Officer required by Section 906 of the Sarbanes-Oxley Act of 2002.
	Mississippi Power
*	(d)	-	Certificate of Mississippi Power's Chief Executive Officer and Chief Financial Officer required by Section 906 of the Sarbanes-Oxley Act of 2002.
	Southern Power
*	(e)	-	Certificate of Southern Power Company's Chief Executive Officer and Chief Financial Officer required by Section 906 of the Sarbanes-Oxley Act of 2002.
	Southern Company Gas
*	(f)	-	Certificate of Southern Company Gas' Chief Executive Officer and Chief Financial Officer required by Section 906 of the Sarbanes-Oxley Act of 2002.
	(101) Interactive Data Files
*	INS	-	Inline XBRL Instance Document – The instance document does not appear in the interactive data file because its XBRL tags are embedded within the inline XBRL document.
*	SCH	-	Inline XBRL Taxonomy Extension Schema Document
*	CAL	-	Inline XBRL Taxonomy Calculation Linkbase Document
*	DEF	-	Inline XBRL Definition Linkbase Document
*	LAB	-	Inline XBRL Taxonomy Label Linkbase Document
*	PRE	-	Inline XBRL Taxonomy Presentation Linkbase Document
	(104) Cover Page Interactive Data File
*			Formatted as inline XBRL with applicable taxonomy extension information contained in Exhibits 101.

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