<SEC-DOCUMENT>0000092122-25-000096.txt : 20251106
<SEC-HEADER>0000092122-25-000096.hdr.sgml : 20251106
<ACCEPTANCE-DATETIME>20251106162227
ACCESSION NUMBER:		0000092122-25-000096
CONFORMED SUBMISSION TYPE:	8-A12B
PUBLIC DOCUMENT COUNT:		1
FILED AS OF DATE:		20251106
DATE AS OF CHANGE:		20251106

FILER:

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			SOUTHERN CO
		CENTRAL INDEX KEY:			0000092122
		STANDARD INDUSTRIAL CLASSIFICATION:	ELECTRIC SERVICES [4911]
		ORGANIZATION NAME:           	01 Energy & Transportation
		EIN:				580690070
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		8-A12B
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-03526
		FILM NUMBER:		251458699

	BUSINESS ADDRESS:	
		STREET 1:		30 IVAN ALLEN JR. BLVD., N.W.
		CITY:			ATLANTA
		STATE:			GA
		ZIP:			30308
		BUSINESS PHONE:		4045065000

	MAIL ADDRESS:	
		STREET 1:		30 IVAN ALLEN JR. BLVD., N.W.
		CITY:			ATLANTA
		STATE:			GA
		ZIP:			30308
</SEC-HEADER>
<DOCUMENT>
<TYPE>8-A12B
<SEQUENCE>1
<FILENAME>so2025equityunits8-a.htm
<DESCRIPTION>8-A12B
<TEXT>
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<title>Document</title></head><body><div id="id3b845e807a24219aff870a51629f695_1"></div><div style="min-height:42.75pt;width:100%"><div><font><br></font></div></div><div style="-sec-extract:summary;text-align:center"><font style="color:#000000;font-family:'Times New Roman',serif;font-size:12pt;font-weight:400;line-height:120%">UNITED STATES</font></div><div style="text-align:center"><font style="color:#000000;font-family:'Times New Roman',serif;font-size:12pt;font-weight:400;line-height:120%">SECURITIES AND EXCHANGE COMMISSION</font></div><div style="text-align:center"><font style="color:#000000;font-family:'Times New Roman',serif;font-size:12pt;font-weight:400;line-height:120%">Washington, D. C. 20549</font></div><div style="text-align:center"><font><br></font></div><div style="text-align:center"><font style="color:#000000;font-family:'Times New Roman',serif;font-size:12pt;font-weight:400;line-height:120%">FORM 8-A</font></div><div style="text-align:center"><font><br></font></div><div style="text-align:center"><font style="color:#000000;font-family:'Times New Roman',serif;font-size:12pt;font-weight:400;line-height:120%">FOR REGISTRATION OF CERTAIN CLASSES</font></div><div style="text-align:center"><font style="color:#000000;font-family:'Times New Roman',serif;font-size:12pt;font-weight:400;line-height:120%">OF SECURITIES PURSUANT TO</font></div><div style="text-align:center"><font style="color:#000000;font-family:'Times New Roman',serif;font-size:12pt;font-weight:400;line-height:120%">SECTION 12(b) OR (g) OF THE</font></div><div style="text-align:center"><font style="color:#000000;font-family:'Times New Roman',serif;font-size:12pt;font-weight:400;line-height:120%">SECURITIES EXCHANGE ACT OF 1934</font></div><div><font><br></font></div><div style="margin-top:5pt"><table style="border-collapse:collapse;display:inline-table;margin-bottom:5pt;vertical-align:text-bottom;width:511.50pt"><tr><td style="width:1.0pt"></td><td style="width:253.75pt"></td><td style="width:1.0pt"></td><td style="width:1.0pt"></td><td style="width:253.75pt"></td><td style="width:1.0pt"></td></tr><tr style="height:20pt"><td colspan="6" style="border-bottom:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><font style="color:#000000;font-family:'Times New Roman',serif;font-size:12pt;font-weight:400;line-height:100%">THE SOUTHERN COMPANY</font></td></tr><tr style="height:20pt"><td colspan="6" style="border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><font style="color:#000000;font-family:'Times New Roman',serif;font-size:12pt;font-weight:400;line-height:100%">(Exact name of registrant as specified in its charter)</font></td></tr></table></div><div><font><br></font></div><div style="margin-top:5pt"><table style="border-collapse:collapse;display:inline-table;margin-bottom:5pt;vertical-align:text-bottom;width:511.50pt"><tr><td style="width:1.0pt"></td><td style="width:253.75pt"></td><td style="width:1.0pt"></td><td style="width:1.0pt"></td><td style="width:253.75pt"></td><td style="width:1.0pt"></td></tr><tr style="height:15pt"><td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><font style="color:#000000;font-family:'Times New Roman',serif;font-size:12pt;font-weight:400;line-height:100%">Delaware</font></td><td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><font style="color:#000000;font-family:'Times New Roman',serif;font-size:12pt;font-weight:400;line-height:100%">58-0690070</font></td></tr><tr style="height:27pt"><td colspan="3" style="border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:top"><font style="color:#000000;font-family:'Times New Roman',serif;font-size:12pt;font-weight:400;line-height:100%">(State or other jurisdiction of incorporation or organization)</font></td><td colspan="3" style="border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:top"><font style="color:#000000;font-family:'Times New Roman',serif;font-size:12pt;font-weight:400;line-height:100%">(IRS Employer<br>Identification No.)</font></td></tr></table></div><div><font><br></font></div><div style="margin-top:5pt"><table style="border-collapse:collapse;display:inline-table;margin-bottom:5pt;vertical-align:text-bottom;width:512.25pt"><tr><td style="width:1.0pt"></td><td style="width:328.00pt"></td><td style="width:1.0pt"></td><td style="width:1.0pt"></td><td style="width:180.25pt"></td><td style="width:1.0pt"></td></tr><tr style="height:15pt"><td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><font style="color:#000000;font-family:'Times New Roman',serif;font-size:12pt;font-weight:400;line-height:100%">30 Ivan Allen Jr. Boulevard, N.W., Atlanta, Georgia</font></td><td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><font style="color:#000000;font-family:'Times New Roman',serif;font-size:12pt;font-weight:400;line-height:100%">30308</font></td></tr><tr style="height:15pt"><td colspan="3" style="border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><font style="color:#000000;font-family:'Times New Roman',serif;font-size:12pt;font-weight:400;line-height:100%">(Address of principal executive offices)</font></td><td colspan="3" style="border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><font style="color:#000000;font-family:'Times New Roman',serif;font-size:12pt;font-weight:400;line-height:100%">(Zip Code)</font></td></tr></table></div><div><font><br></font></div><div><font style="color:#000000;font-family:'Times New Roman',serif;font-size:12pt;font-weight:400;line-height:120%">Securities to be registered pursuant to Section 12(b) of the Act&#58;</font></div><div style="margin-top:5pt"><table style="border-collapse:collapse;display:inline-table;margin-bottom:5pt;vertical-align:text-bottom;width:512.25pt"><tr><td style="width:1.0pt"></td><td style="width:160.00pt"></td><td style="width:1.0pt"></td><td style="width:1.0pt"></td><td style="width:163.00pt"></td><td style="width:1.0pt"></td><td style="width:1.0pt"></td><td style="width:183.25pt"></td><td style="width:1.0pt"></td></tr><tr style="height:27pt"><td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><font style="color:#000000;font-family:'Times New Roman',serif;font-size:12pt;font-weight:400;line-height:100%">Title of each class<br>to be so registered</font></td><td colspan="3" style="padding:0 1pt"></td><td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><font style="color:#000000;font-family:'Times New Roman',serif;font-size:12pt;font-weight:400;line-height:100%">Name of each exchange on which each class is to be so registered</font></td></tr><tr style="height:15pt"><td colspan="3" style="border-top:1pt solid #000000;padding:0 1pt"></td><td colspan="3" style="padding:0 1pt"></td><td colspan="3" style="border-top:1pt solid #000000;padding:0 1pt"></td></tr><tr style="height:15pt"><td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:top"><font style="color:#000000;font-family:'Times New Roman',serif;font-size:12pt;font-weight:400;line-height:100%">2025 Series A Corporate Units</font></td><td colspan="3" style="padding:0 1pt"></td><td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:top"><font style="color:#000000;font-family:'Times New Roman',serif;font-size:12pt;font-weight:400;line-height:100%">New York Stock Exchange</font></td></tr></table></div><div><font><br></font></div><div style="margin-bottom:6pt"><font style="color:#000000;font-family:'Times New Roman',serif;font-size:12pt;font-weight:400;line-height:120%">&#160;&#160;&#160;&#160;If this form relates to the registration of a class of securities pursuant to Section 12(b) of the Exchange Act and is effective pursuant to General Instruction A.(c) or (e), check the following box.&#160;&#160;</font><font style="color:#000000;font-family:'Wingdings',sans-serif;font-size:14pt;font-weight:400;line-height:120%">x</font></div><div style="margin-bottom:6pt"><font style="color:#000000;font-family:'Times New Roman',serif;font-size:12pt;font-weight:400;line-height:120%">&#160;&#160;&#160;&#160;If this form relates to the registration of a class of securities pursuant to Section 12(g) of the Exchange Act and is effective pursuant to General Instruction A.(d) or (e), check the following box. </font><font style="color:#000000;font-family:'Wingdings',sans-serif;font-size:14pt;font-weight:400;line-height:120%">&#168;</font></div><div style="margin-bottom:6pt;text-indent:36pt"><font style="color:#000000;font-family:'Times New Roman',serif;font-size:12pt;font-weight:400;line-height:120%">If this form relates to the registration of a class of securities concurrently with a Regulation A offering, check the following box. </font><font style="color:#000000;font-family:'Wingdings',sans-serif;font-size:14pt;font-weight:400;line-height:120%">&#168;</font></div><div style="margin-bottom:6pt"><font style="color:#000000;font-family:'Times New Roman',serif;font-size:12pt;font-weight:400;line-height:120%">Securities Act registration statement or Regulation A offering statement file number to which this form relates&#58;  </font><font style="color:#0000ff;font-family:'Times New Roman',serif;font-size:12pt;font-weight:400;line-height:120%;text-decoration:underline"><a href="https://www.sec.gov/Archives/edgar/data/92122/000009212224000020/sos-3shelf2024.htm" style="-sec-extract:exhibit;color:#0000ff;font-family:'Times New Roman',serif;font-size:12pt;font-weight:400;line-height:120%;text-decoration:underline">333-2</a><a href="https://www.sec.gov/Archives/edgar/data/92122/000009212224000020/sos-3shelf2024.htm" style="-sec-extract:exhibit;color:#0000ff;font-family:'Times New Roman',serif;font-size:12pt;font-weight:400;line-height:120%;text-decoration:underline">77138</a></font></div><div style="margin-bottom:6pt"><font style="color:#000000;font-family:'Times New Roman',serif;font-size:12pt;font-weight:400;line-height:120%">Securities to be registered pursuant to Section 12(g) of the Act&#58;  None</font></div><div style="height:42.75pt;position:relative;width:100%"><div style="bottom:0;position:absolute;width:100%"><div><font><br></font></div></div></div><hr style="page-break-after:always"><div style="min-height:42.75pt;width:100%"><div><font><br></font></div></div><div><font><br></font></div><div style="text-align:center"><font style="color:#000000;font-family:'Times New Roman',serif;font-size:12pt;font-weight:400;line-height:120%">INFORMATION REQUIRED IN REGISTRATION STATEMENT</font></div><div style="padding-left:63pt;text-indent:-63pt"><font><br></font></div><div style="padding-left:63pt;text-indent:-63pt"><font style="color:#000000;font-family:'Times New Roman',serif;font-size:12pt;font-weight:400;line-height:120%">Item 1.&#160;&#160;&#160;&#160;Description of Registrant&#8217;s Securities to be Registered.</font></div><div style="padding-left:63pt;text-indent:-63pt"><font><br></font></div><div style="text-indent:36pt"><font style="color:#000000;font-family:'Times New Roman',serif;font-size:12pt;font-weight:400;line-height:120%">This Registration Statement relates to the 2025 Series A Corporate Units of The Southern Company (the &#8220;Company&#8221;). A description of the 2025 Series A Corporate Units is contained in (i) the Registration Statement on Form S-3 of the Company (Registration No. </font><font style="color:#0000ff;font-family:'Times New Roman',serif;font-size:12pt;font-weight:400;line-height:120%;text-decoration:underline"><a href="https://www.sec.gov/Archives/edgar/data/92122/000009212224000020/sos-3shelf2024.htm" style="-sec-extract:exhibit;color:#0000ff;font-family:'Times New Roman',serif;font-size:12pt;font-weight:400;line-height:120%;text-decoration:underline">333-277138</a></font><font style="color:#000000;font-family:'Times New Roman',serif;font-size:12pt;font-weight:400;line-height:120%">), filed pursuant to the Securities Act of 1933, as amended (the &#8220;Securities Act&#8221;), on February 16, 2024, under the captions &#8220;Description of the Senior Notes&#8221; and &#8220;Description of the Stock Purchase Contracts and the Stock Purchase Units&#8221; and (ii) the final prospectus supplement of the Company, filed pursuant to Rule 424(b) under the Securities Act on November 4, 2025, under the captions &#8220;Description of the Equity Units,&#8221; &#8220;Description of the Purchase Contracts,&#8221; &#8220;Certain Provisions of the Purchase Contract and Pledge Agreement&#8221; and &#8220;Description of the Remarketable Senior Notes.&#8221; Such descriptions are incorporated by reference herein.</font></div><div><font><br></font></div><div style="padding-left:63pt;text-indent:-63pt"><font style="color:#000000;font-family:'Times New Roman',serif;font-size:12pt;font-weight:400;line-height:120%">Item 2.&#160;&#160;&#160;&#160;Exhibits.</font></div><div><font><br></font></div><div style="margin-top:5pt"><table style="border-collapse:collapse;display:inline-table;margin-bottom:5pt;vertical-align:text-bottom;width:511.50pt"><tr><td style="width:1.0pt"></td><td style="width:37.75pt"></td><td style="width:1.0pt"></td><td style="width:1.0pt"></td><td style="width:43.00pt"></td><td style="width:1.0pt"></td><td style="width:1.0pt"></td><td style="width:424.75pt"></td><td style="width:1.0pt"></td></tr><tr style="height:15pt"><td colspan="6" style="padding:2px 1pt;text-align:left;vertical-align:bottom"><font style="color:#000000;font-family:'Times New Roman',serif;font-size:12pt;font-weight:400;line-height:100%;text-decoration:underline">Exhibit Number</font></td><td colspan="3" style="padding:0 1pt"></td></tr><tr style="height:15pt"><td colspan="3" style="padding:0 1pt"></td><td colspan="3" style="padding:0 1pt"></td><td colspan="3" style="padding:0 1pt"></td></tr><tr style="height:39pt"><td colspan="3" style="padding:0 1pt"></td><td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:top"><font style="color:#000000;font-family:'Times New Roman',serif;font-size:12pt;font-weight:400;line-height:100%">1</font></td><td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:top"><div><font style="color:#000000;font-family:'Times New Roman',serif;font-size:12pt;font-weight:400;line-height:100%">Restated Certificate of Incorporation of the Company, dated February 12, 2019. </font><font style="color:#0000ff;font-family:'Times New Roman',serif;font-size:12pt;font-weight:400;line-height:100%;text-decoration:underline"><a href="https://www.sec.gov/Archives/edgar/data/3153/000009212219000006/ex3a1_2018x10k.htm" style="-sec-extract:exhibit;color:#0000ff;font-family:'Times New Roman',serif;font-size:12pt;font-weight:400;line-height:100%;text-decoration:underline">(Designated in Annual Report on Form 10-K for the year ended December 31, 2018, File No. 1-3526, as Exhibit 3(a)1.)</a></font></div></td></tr><tr style="height:15pt"><td colspan="3" style="padding:0 1pt"></td><td colspan="3" style="padding:0 1pt"></td><td colspan="3" style="padding:0 1pt"></td></tr><tr style="height:39pt"><td colspan="3" style="padding:0 1pt"></td><td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:top"><font style="color:#000000;font-family:'Times New Roman',serif;font-size:12pt;font-weight:400;line-height:100%">2</font></td><td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:top"><div><font style="color:#000000;font-family:'Times New Roman',serif;font-size:12pt;font-weight:400;line-height:100%">Certificate of Amendment to the Certificate of Incorporation of the Company, effective May 27, 2025. (</font><font style="color:#0000ff;font-family:'Times New Roman',serif;font-size:12pt;font-weight:400;line-height:100%;text-decoration:underline"><a href="https://www.sec.gov/Archives/edgar/data/92122/000009212225000059/ex3-1sorestatedcertificate.htm" style="-sec-extract:exhibit;color:#0000ff;font-family:'Times New Roman',serif;font-size:12pt;font-weight:400;line-height:100%;text-decoration:underline">Designated in Form 8-K dated May 21, 2025, File No. 1-3526, as Exhibit 3.1</a></font><font style="color:#000000;font-family:'Times New Roman',serif;font-size:12pt;font-weight:400;line-height:100%">.)</font></div></td></tr><tr style="height:15pt"><td colspan="3" style="padding:0 1pt"></td><td colspan="3" style="padding:0 1pt"></td><td colspan="3" style="padding:0 1pt"></td></tr><tr style="height:39pt"><td colspan="3" style="padding:0 1pt"></td><td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:top"><font style="color:#000000;font-family:'Times New Roman',serif;font-size:12pt;font-weight:400;line-height:100%">3</font></td><td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:top"><div><font style="color:#000000;font-family:'Times New Roman',serif;font-size:12pt;font-weight:400;line-height:100%">Amended and Restated By-laws of the Company effective December 12, 2022, and as presently in effect. (</font><font style="color:#0000ff;font-family:'Times New Roman',serif;font-size:12pt;font-weight:400;line-height:100%;text-decoration:underline"><a href="https://www.sec.gov/Archives/edgar/data/92122/000009212222000071/ex3-1sobylaw8xk.htm" style="-sec-extract:exhibit;color:#0000ff;font-family:'Times New Roman',serif;font-size:12pt;font-weight:400;line-height:100%;text-decoration:underline">Designated in Form 8-K dated December 12, 2022, File No. 1-3526, as Exhibit 3.1.</a></font><font style="color:#000000;font-family:'Times New Roman',serif;font-size:12pt;font-weight:400;line-height:100%">)</font></div></td></tr><tr style="height:15pt"><td colspan="3" style="padding:0 1pt"></td><td colspan="3" style="padding:0 1pt"></td><td colspan="3" style="padding:0 1pt"></td></tr><tr style="height:51pt"><td colspan="3" style="padding:0 1pt"></td><td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:top"><font style="color:#000000;font-family:'Times New Roman',serif;font-size:12pt;font-weight:400;line-height:100%">4</font></td><td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:top"><div><font style="color:#000000;font-family:'Times New Roman',serif;font-size:12pt;font-weight:400;line-height:100%">Purchase Contract and Pledge Agreement, dated as of November 6, 2025, between the Company and U.S. Bank Trust Company, National Association, as Purchase Contract Agent, Collateral Agent, Custodial Agent and Securities Intermediary. (</font><font style="color:#0000ff;font-family:'Times New Roman',serif;font-size:12pt;font-weight:400;line-height:100%;text-decoration:underline"><a href="https://www.sec.gov/Archives/edgar/data/92122/000009212225000094/ex4-9socoequityunitsxpurch.htm" style="-sec-extract:exhibit;color:#0000ff;font-family:'Times New Roman',serif;font-size:12pt;font-weight:400;line-height:100%;text-decoration:underline">Designated in Form 8-K dated November 3, 2025, File No. 1-3526, as Exhibit 4.9</a></font><font style="color:#000000;font-family:'Times New Roman',serif;font-size:12pt;font-weight:400;line-height:100%">.)</font></div></td></tr><tr style="height:15pt"><td colspan="3" style="padding:0 1pt"></td><td colspan="3" style="padding:0 1pt"></td><td colspan="3" style="padding:0 1pt"></td></tr><tr style="height:15pt"><td colspan="3" style="padding:0 1pt"></td><td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:top"><font style="color:#000000;font-family:'Times New Roman',serif;font-size:12pt;font-weight:400;line-height:100%">5</font></td><td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:top"><font style="color:#000000;font-family:'Times New Roman',serif;font-size:12pt;font-weight:400;line-height:100%">Form of Remarketing Agreement (included in Exhibit 4 above).</font></td></tr><tr style="height:15pt"><td colspan="3" style="padding:0 1pt"></td><td colspan="3" style="padding:0 1pt"></td><td colspan="3" style="padding:0 1pt"></td></tr><tr style="height:15pt"><td colspan="3" style="padding:0 1pt"></td><td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:top"><font style="color:#000000;font-family:'Times New Roman',serif;font-size:12pt;font-weight:400;line-height:100%">6</font></td><td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:top"><font style="color:#000000;font-family:'Times New Roman',serif;font-size:12pt;font-weight:400;line-height:100%">Form of Corporate Unit Certificate (included in Exhibit 4 above).</font></td></tr><tr style="height:15pt"><td colspan="3" style="padding:0 1pt"></td><td colspan="3" style="padding:0 1pt"></td><td colspan="3" style="padding:0 1pt"></td></tr><tr style="height:15pt"><td colspan="3" style="padding:0 1pt"></td><td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:top"><font style="color:#000000;font-family:'Times New Roman',serif;font-size:12pt;font-weight:400;line-height:100%">7</font></td><td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:top"><font style="color:#000000;font-family:'Times New Roman',serif;font-size:12pt;font-weight:400;line-height:100%">Form of Treasury Unit Certificate (included in Exhibit 4 above).</font></td></tr><tr style="height:15pt"><td colspan="3" style="padding:0 1pt"></td><td colspan="3" style="padding:0 1pt"></td><td colspan="3" style="padding:0 1pt"></td></tr><tr style="height:39pt"><td colspan="3" style="padding:0 1pt"></td><td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:top"><font style="color:#000000;font-family:'Times New Roman',serif;font-size:12pt;font-weight:400;line-height:100%">8</font></td><td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:top"><div><font style="color:#000000;font-family:'Times New Roman',serif;font-size:12pt;font-weight:400;line-height:100%">Senior Note Indenture dated as of January 1, 2007, between the Company and Computershare Trust Company, N.A., as Successor Trustee. (</font><font style="color:#0000ff;font-family:'Times New Roman',serif;font-size:12pt;font-weight:400;line-height:100%;text-decoration:underline"><a href="https://www.sec.gov/Archives/edgar/data/92122/000009212207000006/ex4-1.txt" style="-sec-extract:exhibit;color:#0000ff;font-family:'Times New Roman',serif;font-size:12pt;font-weight:400;line-height:100%;text-decoration:underline">Designated in Form 8-K dated </a><a href="https://www.sec.gov/Archives/edgar/data/92122/000009212207000006/ex4-1.txt" style="-sec-extract:exhibit;color:#0000ff;font-family:'Times New Roman',serif;font-size:12pt;font-weight:400;line-height:100%;text-decoration:underline">January 11</a><a href="https://www.sec.gov/Archives/edgar/data/92122/000009212207000006/ex4-1.txt" style="-sec-extract:exhibit;color:#0000ff;font-family:'Times New Roman',serif;font-size:12pt;font-weight:400;line-height:100%;text-decoration:underline">, 2</a><a href="https://www.sec.gov/Archives/edgar/data/92122/000009212207000006/ex4-1.txt" style="-sec-extract:exhibit;color:#0000ff;font-family:'Times New Roman',serif;font-size:12pt;font-weight:400;line-height:100%;text-decoration:underline">007</a><a href="https://www.sec.gov/Archives/edgar/data/92122/000009212207000006/ex4-1.txt" style="-sec-extract:exhibit;color:#0000ff;font-family:'Times New Roman',serif;font-size:12pt;font-weight:400;line-height:100%;text-decoration:underline">, File No. 1-3526, as Exhibit 4.</a><a href="https://www.sec.gov/Archives/edgar/data/92122/000009212207000006/ex4-1.txt" style="-sec-extract:exhibit;color:#0000ff;font-family:'Times New Roman',serif;font-size:12pt;font-weight:400;line-height:100%;text-decoration:underline">1</a><a href="https://www.sec.gov/Archives/edgar/data/92122/000009212207000006/ex4-1.txt" style="-sec-extract:exhibit;color:#0000ff;font-family:'Times New Roman',serif;font-size:12pt;font-weight:400;line-height:100%;text-decoration:underline">.</a></font><font style="color:#000000;font-family:'Times New Roman',serif;font-size:12pt;font-weight:400;line-height:100%">)</font></div></td></tr><tr style="height:15pt"><td colspan="3" style="padding:0 1pt"></td><td colspan="3" style="padding:0 1pt"></td><td colspan="3" style="padding:0 1pt"></td></tr></table></div><div style="height:42.75pt;position:relative;width:100%"><div style="bottom:0;position:absolute;width:100%"><div><font><br></font></div></div></div><hr style="page-break-after:always"><div style="min-height:42.75pt;width:100%"><div><font><br></font></div></div><div style="margin-top:5pt"><table style="border-collapse:collapse;display:inline-table;margin-bottom:5pt;vertical-align:text-bottom;width:511.50pt"><tr><td style="width:1.0pt"></td><td style="width:37.75pt"></td><td style="width:1.0pt"></td><td style="width:1.0pt"></td><td style="width:43.00pt"></td><td style="width:1.0pt"></td><td style="width:1.0pt"></td><td style="width:424.75pt"></td><td style="width:1.0pt"></td></tr><tr style="height:51pt"><td colspan="3" style="padding:0 1pt"></td><td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:top"><font style="color:#000000;font-family:'Times New Roman',serif;font-size:12pt;font-weight:400;line-height:100%">9</font></td><td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:top"><div><font style="color:#000000;font-family:'Times New Roman',serif;font-size:12pt;font-weight:400;line-height:100%">Twenty-Second Supplemental Indenture to the Senior Note Indenture, dated as of February 26, 2021, between the Company and Computershare Trust Company, N.A., as Successor Trustee. (</font><font style="color:#0000ff;font-family:'Times New Roman',serif;font-size:12pt;font-weight:400;line-height:100%;text-decoration:underline"><a href="https://www.sec.gov/Archives/edgar/data/92122/000009212221000026/so22ndsupindent2021asrnote.htm" style="-sec-extract:exhibit;color:#0000ff;font-family:'Times New Roman',serif;font-size:12pt;font-weight:400;line-height:100%;text-decoration:underline">Designated in Form 8-K dated February 23, 2021, File No. 1-3526, as Exhibit 4.4(a).</a></font><font style="color:#000000;font-family:'Times New Roman',serif;font-size:12pt;font-weight:400;line-height:100%">)</font></div></td></tr><tr style="height:15pt"><td colspan="3" style="padding:0 1pt"></td><td colspan="3" style="padding:0 1pt"></td><td colspan="3" style="padding:0 1pt"></td></tr><tr style="height:51pt"><td colspan="3" style="padding:0 1pt"></td><td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:top"><font style="color:#000000;font-family:'Times New Roman',serif;font-size:12pt;font-weight:400;line-height:100%">10</font></td><td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:top"><div><font style="color:#000000;font-family:'Times New Roman',serif;font-size:12pt;font-weight:400;line-height:100%">Thirty-Fifth Supplemental Indenture to the Senior Note Indenture, dated as of November 6, 2025, between the Company and Computershare Trust Company, N.A., as Successor Trustee. (</font><font style="color:#0000ff;font-family:'Times New Roman',serif;font-size:12pt;font-weight:400;line-height:100%;text-decoration:underline"><a href="https://www.sec.gov/Archives/edgar/data/92122/000009212225000094/ex4-2asoutherncompanyx35th.htm" style="-sec-extract:exhibit;color:#0000ff;font-family:'Times New Roman',serif;font-size:12pt;font-weight:400;line-height:100%;text-decoration:underline">Designated in Form 8-K dated November 3, 2025, File No. 1-3526, as Exhibit 4.2(a)</a></font><font style="color:#000000;font-family:'Times New Roman',serif;font-size:12pt;font-weight:400;line-height:100%">.)</font></div></td></tr><tr style="height:15pt"><td colspan="3" style="padding:0 1pt"></td><td colspan="3" style="padding:0 1pt"></td><td colspan="3" style="padding:0 1pt"></td></tr><tr style="height:27pt"><td colspan="3" style="padding:0 1pt"></td><td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:top"><font style="color:#000000;font-family:'Times New Roman',serif;font-size:12pt;font-weight:400;line-height:100%">11</font></td><td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:top"><font style="color:#000000;font-family:'Times New Roman',serif;font-size:12pt;font-weight:400;line-height:100%">Form of Series 2025B Remarketable Senior Note due 2030 of the Company (included in Exhibit 10 above).</font></td></tr><tr style="height:15pt"><td colspan="3" style="padding:0 1pt"></td><td colspan="3" style="padding:0 1pt"></td><td colspan="3" style="padding:0 1pt"></td></tr><tr style="height:51pt"><td colspan="3" style="padding:0 1pt"></td><td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:top"><font style="color:#000000;font-family:'Times New Roman',serif;font-size:12pt;font-weight:400;line-height:100%">12</font></td><td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:top"><div><font style="color:#000000;font-family:'Times New Roman',serif;font-size:12pt;font-weight:400;line-height:100%">Thirty-Sixth Supplemental Indenture to the Senior Note Indenture, dated as of November 6, 2025, between the Company and Computershare Trust Company, N.A., as Successor Trustee. (</font><font style="color:#0000ff;font-family:'Times New Roman',serif;font-size:12pt;font-weight:400;line-height:100%;text-decoration:underline"><a href="https://www.sec.gov/Archives/edgar/data/92122/000009212225000094/ex4-2bsoutherncompanyx36th.htm" style="-sec-extract:exhibit;color:#0000ff;font-family:'Times New Roman',serif;font-size:12pt;font-weight:400;line-height:100%;text-decoration:underline">Designated in Form 8-K dated November 3, 2025, File No. 1-3526, as Exhibit 4.2(b)</a></font><font style="color:#000000;font-family:'Times New Roman',serif;font-size:12pt;font-weight:400;line-height:100%">.)</font></div></td></tr><tr style="height:15pt"><td colspan="3" style="padding:0 1pt"></td><td colspan="3" style="padding:0 1pt"></td><td colspan="3" style="padding:0 1pt"></td></tr><tr style="height:27pt"><td colspan="3" style="padding:0 1pt"></td><td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:top"><font style="color:#000000;font-family:'Times New Roman',serif;font-size:12pt;font-weight:400;line-height:100%">13</font></td><td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:top"><font style="color:#000000;font-family:'Times New Roman',serif;font-size:12pt;font-weight:400;line-height:100%">Form of Series 2025C Remarketable Senior Note due 2033 of the Company (included in Exhibit 12 above).</font></td></tr></table></div><div><font><br></font></div><div style="text-indent:36pt"><font style="color:#000000;font-family:'Times New Roman',serif;font-size:12pt;font-weight:400;line-height:120%">Exhibits heretofore filed with the Securities and Exchange Commission and designated as set forth above are hereby incorporated herein by reference and made a part hereof with the same effect as if filed herewith.</font></div><div style="text-indent:36pt"><font><br></font></div><div style="text-align:center"><font><br></font></div><div style="height:42.75pt;position:relative;width:100%"><div style="bottom:0;position:absolute;width:100%"><div><font><br></font></div></div></div><hr style="page-break-after:always"><div style="min-height:42.75pt;width:100%"><div><font><br></font></div></div><div style="text-align:center"><font style="color:#000000;font-family:'Times New Roman',serif;font-size:12pt;font-weight:700;line-height:120%">SIGNATURE</font></div><div style="text-align:center"><font><br></font></div><div style="text-indent:36pt"><font style="color:#000000;font-family:'Times New Roman',serif;font-size:12pt;font-weight:400;line-height:120%">Pursuant to the requirements of Section 12 of the Securities Exchange Act of 1934, the registrant has duly caused this registration statement to be signed on its behalf by the undersigned, thereto duly authorized.</font></div><div><font><br></font></div><div style="margin-top:5pt"><table style="border-collapse:collapse;display:inline-table;margin-bottom:5pt;vertical-align:text-bottom;width:496.50pt"><tr><td style="width:1.0pt"></td><td style="width:37.00pt"></td><td style="width:1.0pt"></td><td style="width:1.0pt"></td><td style="width:120.25pt"></td><td style="width:1.0pt"></td><td style="width:1.0pt"></td><td style="width:91.00pt"></td><td style="width:1.0pt"></td><td style="width:1.0pt"></td><td style="width:24.25pt"></td><td style="width:1.0pt"></td><td style="width:1.0pt"></td><td style="width:214.00pt"></td><td style="width:1.0pt"></td></tr><tr style="height:15pt"><td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:bottom"><font style="color:#000000;font-family:'Times New Roman',serif;font-size:12pt;font-weight:400;line-height:100%">Dated&#58;</font></td><td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><font style="color:#000000;font-family:'Times New Roman',serif;font-size:12pt;font-weight:400;line-height:100%">November 6, 2025</font></td><td colspan="3" style="padding:0 1pt"></td><td colspan="6" style="padding:2px 1pt;text-align:left;vertical-align:bottom"><font style="color:#000000;font-family:'Times New Roman',serif;font-size:12pt;font-weight:400;line-height:100%">THE SOUTHERN COMPANY</font></td></tr><tr style="height:15pt"><td colspan="3" style="padding:0 1pt"></td><td colspan="3" style="padding:0 1pt"></td><td colspan="3" style="padding:0 1pt"></td><td colspan="3" style="padding:0 1pt"></td><td colspan="3" style="padding:0 1pt"></td></tr><tr style="height:15pt"><td colspan="3" style="padding:0 1pt"></td><td colspan="3" style="padding:0 1pt"></td><td colspan="3" style="padding:0 1pt"></td><td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:bottom"><font style="color:#000000;font-family:'Times New Roman',serif;font-size:12pt;font-weight:400;line-height:100%">By</font></td><td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><font style="color:#000000;font-family:'Times New Roman',serif;font-size:12pt;font-weight:400;line-height:100%">&#47;s&#47;Melissa K. Caen</font></td></tr><tr style="height:27pt"><td colspan="3" style="padding:0 1pt"></td><td colspan="3" style="padding:0 1pt"></td><td colspan="3" style="padding:0 1pt"></td><td colspan="3" style="padding:0 1pt"></td><td colspan="3" style="border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><font style="color:#000000;font-family:'Times New Roman',serif;font-size:12pt;font-weight:400;line-height:100%">Melissa K. Caen<br>Assistant Secretary</font></td></tr></table></div><div><font><br></font></div><div style="height:42.75pt;position:relative;width:100%"><div style="bottom:0;position:absolute;width:100%"><div><font><br></font></div></div></div></body></html>
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</SEC-DOCUMENT>
