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

Southern Company

(a)	-	Seventeenth Supplemental Indenture to Subordinated Note Indenture dated as of March 19, 2026, providing for the issuance of the Series 2026A 6.00% Fixed-to-Fixed Reset Rate Junior Subordinated Notes due April 1, 2058. (Designated in Form 8-K dated March 16, 202 6 , File No. 1-3526 as Exhibit 4.4.)

Mississippi Power

(d)	-	Eighth Supplemental Indenture to Senior Note Indenture dated as of March 3, 2026, providing for the issuance of the Series 2026A Floating Rate Senior Notes due May 15, 2076. (Designated in Form 8-K dated February 27, 2026 , File No. 1-11229 , as Exhibit 4.2.)

(10) Material Contracts

Alabama Power

(b)1	-	Loan Guarantee Agreement, dated as of February 20, 2026, between Alabama Power and the DOE, as guarantor. (Designated in Form 8-K dated February 20, 2026, File No . 1-3164 as Exhibit 10.1.)

(b)2	-	Note Purchase Agreement, dated as of February 20, 2026, among Alabama Power, the FFB, and the Secretary of Energy, acting through the DOE. (Designated in Form 8-K dated February 20, 2026, File No. 1-3164 as Exhibit 10.2.)

(b)3	-	Form of Promissory Note of Alabama Power to the FFB. (Designated in Form 8-K dated February 20, 2026, File No. 1-3164 as Exhibit 10.3.)

Georgia Power

(c)1	-	Loan Guarantee Agreement, dated as of February 20, 2026, between Georgia Power and the DOE, as guarantor. (Designated in Form 8-K dated February 20, 2026, File No. 1-6468 as Exhibit 10.4.)

Table of Contents Index to Financial Statements


	(c)2	-	Note Purchase Agreement, dated as of February 20, 2026, among Georgia Power, the FFB, and the Secretary of Energy, acting through the DOE. (Designated in Form 8-K dated February 20, 2026, File No. 1-6468 as Exhibit 10.5.)

	(c)3	-	Form of Promissory Note of Georgia Power to the FFB. (Designated in Form 8-K dated February 20, 2026, File No. 1-6468 as Exhibit 10.6.)

	(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, 202 5 , 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, 202 5 , 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, 202 5 , 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, 202 5 , 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, 202 5 , 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, 202 5 , 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.

Table of Contents Index to Financial Statements


*	(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.

Table of Contents Index to Financial Statements

THE SOUTHERN COMPANY

SIGNATURES

Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned thereunto duly authorized. The signature of the undersigned company shall be deemed to relate only to matters having reference to such company and any subsidiaries thereof included in such company's report.


						THE SOUTHERN COMPANY

By						Christopher C. Womack
						Chairman, President, and Chief Executive Officer
						(Principal Executive Officer)

By						David P. Poroch
						Executive Vice President and Chief Financial Officer
						(Principal Financial Officer)

By						/s/ Melissa K. Caen
						(Melissa K. Caen, Attorney-in-fact)

Date: April 29, 2026

Table of Contents Index to Financial Statements

ALABAMA POWER COMPANY

SIGNATURES


						ALABAMA POWER COMPANY

By						J. Jeffrey Peoples
						Chairman, President, and Chief Executive Officer
						(Principal Executive Officer)

By						Moses H. Feagin
						Executive Vice President, Chief Financial Officer, and Treasurer
						(Principal Financial Officer)

By						/s/ Melissa K. Caen
						(Melissa K. Caen, Attorney-in-fact)

Date: April 29, 2026

Table of Contents Index to Financial Statements

GEORGIA POWER COMPANY

SIGNATURES


						GEORGIA POWER COMPANY

By						Kimberly S. Greene
						Chairman, President, and Chief Executive Officer
						(Principal Executive Officer)

By						Tyler M. Cook
						Senior Vice President, Chief Financial Officer, and Treasurer
						(Principal Financial Officer)

By						/s/ Melissa K. Caen
						(Melissa K. Caen, Attorney-in-fact)

Date: April 29, 2026

Table of Contents Index to Financial Statements

MISSISSIPPI POWER COMPANY

SIGNATURES


						MISSISSIPPI POWER COMPANY

By						Pedro P. Cherry
						Chairman, President, and Chief Executive Officer
						(Principal Executive Officer)

By						Matthew P. Grice
						Vice President, Chief Financial Officer, and Treasurer
						(Principal Financial Officer)

By						/s/ Melissa K. Caen
						(Melissa K. Caen, Attorney-in-fact)

Date: April 29, 2026

Table of Contents Index to Financial Statements

SOUTHERN POWER COMPANY

SIGNATURES


						SOUTHERN POWER COMPANY

By						Christopher Cummiskey
						Chairman and Chief Executive Officer
						(Principal Executive Officer)

By						Gary Kerr
						Senior Vice President, Chief Financial Officer, and Treasurer
						(Principal Financial Officer)

By						/s/ Melissa K. Caen
						(Melissa K. Caen, Attorney-in-fact)

Date: April 29, 2026

Table of Contents Index to Financial Statements

SOUTHERN COMPANY GAS

SIGNATURES


						SOUTHERN COMPANY GAS

By						James Y. Kerr II
						Chairman, President, and Chief Executive Officer
						(Principal Executive Officer)

By						Grace A. Kolvereid
						Executive Vice President, Chief Financial Officer, and Treasurer
						(Principal Financial Officer)

By						/s/ Melissa K. Caen
						(Melissa K. Caen, Attorney-in-fact)

Date: April 29, 2026

Previous: Item 5. Other Information.