0000092122 2025-01-01 2025-12-31 0000092122 so:EBP002Member 2025-01-01 2025-12-31 0000092122 so:EBP002Member 2025-12-31 0000092122 so:EBP002Member 2024-12-31 0000092122 srt:MinimumMember so:EBP002Member 2025-01-01 2025-12-31 0000092122 srt:MaximumMember so:EBP002Member 2025-01-01 2025-12-31 0000092122 us-gaap:FairValueInputsLevel1Member us-gaap:CommonStockMember so:EBP002Member 2025-12-31 0000092122 us-gaap:FairValueInputsLevel12And3Member us-gaap:CommonStockMember so:EBP002Member 2025-12-31 0000092122 us-gaap:FairValueInputsLevel1Member us-gaap:MoneyMarketFundsMember so:EBP002Member 2025-12-31 0000092122 us-gaap:FairValueInputsLevel12And3Member us-gaap:MoneyMarketFundsMember so:EBP002Member 2025-12-31 0000092122 us-gaap:FairValueInputsLevel1Member us-gaap-ebp:EmployeeBenefitPlanSelfDirectedBrokerageAccountMember so:EBP002Member 2025-12-31 0000092122 us-gaap:FairValueInputsLevel2Member us-gaap-ebp:EmployeeBenefitPlanSelfDirectedBrokerageAccountMember so:EBP002Member 2025-12-31 0000092122 us-gaap:FairValueInputsLevel12And3Member us-gaap-ebp:EmployeeBenefitPlanSelfDirectedBrokerageAccountMember so:EBP002Member 2025-12-31 0000092122 us-gaap:FairValueInputsLevel1Member so:EBP002Member 2025-12-31 0000092122 us-gaap:FairValueInputsLevel2Member so:EBP002Member 2025-12-31 0000092122 us-gaap:FairValueInputsLevel12And3Member so:EBP002Member 2025-12-31 0000092122 us-gaap:FairValueMeasuredAtNetAssetValuePerShareMember us-gaap:DefinedBenefitPlanCommonCollectiveTrustMember so:EBP002Member 2025-12-31 0000092122 us-gaap:FairValueInputsLevel1Member us-gaap:CommonStockMember so:EBP002Member 2024-12-31 0000092122 us-gaap:FairValueInputsLevel12And3Member us-gaap:CommonStockMember so:EBP002Member 2024-12-31 0000092122 us-gaap:FairValueInputsLevel1Member us-gaap:MoneyMarketFundsMember so:EBP002Member 2024-12-31 0000092122 us-gaap:FairValueInputsLevel12And3Member us-gaap:MoneyMarketFundsMember so:EBP002Member 2024-12-31 0000092122 us-gaap:FairValueInputsLevel1Member us-gaap-ebp:EmployeeBenefitPlanSelfDirectedBrokerageAccountMember so:EBP002Member 2024-12-31 0000092122 us-gaap:FairValueInputsLevel2Member us-gaap-ebp:EmployeeBenefitPlanSelfDirectedBrokerageAccountMember so:EBP002Member 2024-12-31 0000092122 us-gaap:FairValueInputsLevel12And3Member us-gaap-ebp:EmployeeBenefitPlanSelfDirectedBrokerageAccountMember so:EBP002Member 2024-12-31 0000092122 us-gaap:FairValueInputsLevel1Member so:EBP002Member 2024-12-31 0000092122 us-gaap:FairValueInputsLevel2Member so:EBP002Member 2024-12-31 0000092122 us-gaap:FairValueInputsLevel12And3Member so:EBP002Member 2024-12-31 0000092122 us-gaap:FairValueMeasuredAtNetAssetValuePerShareMember us-gaap:DefinedBenefitPlanCommonCollectiveTrustMember so:EBP002Member 2024-12-31 0000092122 us-gaap-ebp:EmployeeBenefitPlanEmployerCommonStockMember so:EBP002Member 2025-12-31 0000092122 us-gaap-ebp:EmployeeBenefitPlanEmployerCommonStockMember so:EBP002Member 2024-12-31 0000092122 us-gaap-ebp:EmployeeBenefitPlanEmployerCommonStockMember so:EBP002Member 2025-01-01 2025-12-31 0000092122 us-gaap:CommonStockMember so:EBP002Member 2025-12-31 0000092122 BIF Money Market so:EBP002Member 2025-12-31 0000092122 BlackRock, Russell 2000 Fund so:EBP002Member 2025-12-31 0000092122 BlackRock, EAFE Equity Fund so:EBP002Member 2025-12-31 0000092122 Northern Trust, Collective Aggregate Bond Index Fund so:EBP002Member 2025-12-31 0000092122 Short-Term Investment Fund so:EBP002Member 2025-12-31 0000092122 Vanguard, Institutional 500 Index Fund so:EBP002Member 2025-12-31 0000092122 srt:MinimumMember Participants so:EBP002Member 2025-01-01 2025-12-31 0000092122 srt:MaximumMember Participants so:EBP002Member 2025-01-01 2025-12-31 0000092122 Participants so:EBP002Member 2025-12-31 0000092122 us-gaap-ebp:EmployeeBenefitPlanSelfDirectedBrokerageAccountMember so:EBP002Member 2025-12-31 iso4217:USD pure shares 0000092122 0000092122 false false 11-K 11-K 2025-12-31 2025-12-31 THE SOUTHERN COMPANY THE SOUTHERN COMPANY 10110935773 9167476568 140211462 132504338 83704 107592 10251230939 9300088498 308784070 30051567 145552204 484387841 9366495 119445785 1193879412 1313325197 1807079533 854232657 1704435 855937092 951142441 9300088498 10251230939 Description of the Plan<div><span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:700;line-height:139%">General</span></div><div><span><br/></span></div><div style="margin-bottom:12pt"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:400;line-height:139%">The following description of The Southern Company Employee Savings Plan (the “Plan”) is provided for general information purposes only. Readers should refer to the Plan and other documents relating to the Plan for more complete information.</span></div><div><span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:400;line-height:139%">The Plan is a defined contribution plan administered by the Southern Company Affiliates’ Benefits Administration Committee (the “Committee”), as designated in the Plan. The Committee is appointed by the Board of Directors of Southern Company Services, Inc. (the “Plan Sponsor”). The Plan covers substantially all employees and retirees of the following subsidiaries of The Southern Company (the “Company”): Alabama Power Company, Georgia Power Company, Mississippi Power Company, Southern Company Services, Inc., Southern Communications Services, Inc., Southern Power Company, Southern Nuclear Operating Company, Inc., and Southern Company GAS’ affiliated companies (collectively, referred to as the “Employing Companies”). The Plan is subject to the Employee Retirement Income Security Act of 1974, as amended (“ERISA”), and the Internal Revenue Code of 1986, as amended (the “IRC”).</span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:700;line-height:112%">Plan Administration</span></div><div><span><br/></span></div><div style="margin-bottom:12pt"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:400;line-height:139%">The trustee and recordkeeper of the Plan are Bank of America, N.A. (the “Trustee”) and Merrill Lynch, Pierce, Fenner &amp; Smith Incorporated, respectively.</span></div><div><span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:700;line-height:112%">Participation</span></div><div><span><br/></span></div><div style="margin-bottom:12pt"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:400;line-height:139%">Employees meeting certain criteria, as defined by the Plan, may elect to participate in the Plan as of the first day of any payroll period after the employee’s first day of employment or as soon as administratively practicable thereafter. Employees who do not make an affirmative election will be automatically enrolled after their first 30 days of employment.</span></div><div><span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:700;line-height:112%">Contributions</span></div><div><span><br/></span></div><div style="margin-bottom:12pt"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:400;line-height:139%">Participants may elect to make before-tax, Roth after-tax, or regular after-tax contributions, or a combination thereof of up to 50% of eligible compensation, as defined by the Plan. Participants may change the percentage of their contributions at any time. Contributions are subject to certain IRC limitations. Participants also may contribute by rolling over to the Plan amounts representing distributions from other qualified defined benefit plans, defined contribution plans, or eligible individual retirement accounts. Participants who attained age 50 before the end of the year are eligible to make catch-up contributions in accordance with limits as prescribed by the IRC.</span></div><div style="margin-bottom:12pt;text-align:justify"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:400;line-height:139%">Employees who are automatically enrolled are deemed to have elected a default contribution rate of six percent of compensation, provided that eligible employees may elect at any time to change the default elections as otherwise permitted by the terms of the Plan.</span></div><div style="margin-bottom:12pt;text-align:justify"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:400;line-height:139%">The Employing Companies’ contributions (“Employer Matching Contributions”) are discretionary and determined by the Board of Directors of the Plan Sponsor. For the year ended December 31, 2025, the Employing Companies contributed, on behalf of the participants, 85% of the first 6% of eligible compensation contributed by the participant.</span></div><div style="margin-bottom:12pt"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:400;line-height:139%">The Board of Directors of the Plan Sponsor reserves the right to discontinue or change the Employer Matching Contributions at any time; however, it has not expressed any intent to make any changes at the present time.</span></div><div><span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:700;line-height:112%">Participant Accounts</span></div><div><span><br/></span></div><div style="margin-bottom:12pt"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:400;line-height:139%">Individual accounts are maintained for each Plan participant. Each participant’s account is credited with the participant’s contributions, the Employer Matching Contributions, and an allocation of Plan earnings based on the participant’s investment elections and charged with certain administrative expenses and any withdrawals and allocations of Plan losses based on the participant’s investment elections. The benefit to which a participant is entitled is the benefit that can be provided from the participant’s vested account.</span></div><div><span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:700;line-height:112%">Investment Options</span></div><div><span><br/></span></div><div style="margin-bottom:12pt"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:400;line-height:139%">Participants’ contributions may be invested in 1% increments into any of the investment options offered by the Plan. The Plan offers a participant-directed brokerage account that allows participants to purchase publicly traded securities, mutual funds, and fixed income instruments. Participants may change their investment options at any time.</span></div><div><span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:700;line-height:112%">Notes Receivable from Participants</span></div><div><span><br/></span></div><div style="margin-bottom:12pt"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:400;line-height:139%">Participants may borrow from their fund accounts a minimum of $1,000 up to a maximum of $50,000 or 50% of their account balances, whichever is less. The loans are secured by the balance in the participant’s account and bear interest at rates commensurate with prevailing rates as determined by the Committee. The term of the loan may not be less than 12 months or more than 60 months. However, if the loan is to be used to purchase a principal residence, the term of the loan may be up to 15 years. Generally, principal and interest are paid ratably through payroll deductions. Participants also may repay an outstanding loan in full at any time.</span></div><div><span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:700;line-height:112%">Benefit Payments</span></div><div><span><br/></span></div><div style="margin-bottom:12pt"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:400;line-height:139%">Upon retirement, a participant may elect to receive a lump-sum amount equal to the value of the participant’s account or annual installments over a period of up to 20 years or may defer the distribution of the account. However, the participant must begin receiving payments by April 1 of the calendar year following the later of the calendar year in which the participant reaches the minimum required distribution age, as defined within the Plan document, or terminates with the Company. On termination of service due to death or disability, or for other reasons, a participant or beneficiary may receive the value of his or her account as a lump-sum distribution.</span></div><div style="margin-bottom:12pt"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:400;line-height:139%">Each participant may elect to receive a cash distribution of all or a portion of the dividends payable on the shares of the Company’s common stock credited to the participant’s account as of the record date of the dividend. The dividends payable on the shares of the Company’s common stock credited to the account of a participant who does not elect to receive a cash distribution are reinvested in the participant’s account in shares of the Company’s common stock. Payments of the cash distributions for dividends payable are made as soon as administratively practicable after the payable date of the dividend but no later than 90 days after the end of the Plan year that includes such payable date. A participant’s election to receive cash distributions of dividends payable on the Company’s common stock is revoked automatically upon his or her death.</span></div><div><span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:700;line-height:112%">Vesting</span></div><div><span><br/></span></div><div style="margin-bottom:12pt"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:400;line-height:139%">Participants are immediately vested in the total value of their accounts – both employee and Employer Matching Contributions.</span></div><div><span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:700;line-height:112%">Plan Termination</span></div><div style="text-indent:-6pt"><span><br/></span></div><div style="margin-bottom:12pt"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:400;line-height:139%">Although it has not expressed any intent to do so, the Plan Sponsor has the right under the Plan to discontinue Employer Matching Contributions at any time and/or to terminate the Plan subject to the provisions set forth in ERISA. If the Plan is terminated, participants will remain 100% vested in their accounts.</span></div><div><span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:700;line-height:112%">Administrative Expenses</span></div><div style="text-indent:-6pt"><span><br/></span></div><div style="margin-bottom:12pt"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:400;line-height:139%">Brokerage commissions, transfer taxes, and any other expenses resulting from purchases and sales of securities within investment funds are charged to the various investment funds. Commissions on individual securities traded through the participant directed brokerage option are charged to the participant making the trade.</span></div><div style="margin-bottom:12pt"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:400;line-height:139%">In addition, investment management fees for all funds, except Company common stock, are charged to Plan assets.</span></div><div style="margin-bottom:12pt"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:400;line-height:139%">Certain reasonable Plan administration expenses approved in accordance with Plan requirements may be paid from Plan assets. These fees include recordkeeping fees and auditing and consulting fees.</span></div> <div><span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:700;line-height:112%">Contributions</span></div><div><span><br/></span></div><div style="margin-bottom:12pt"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:400;line-height:139%">Participants may elect to make before-tax, Roth after-tax, or regular after-tax contributions, or a combination thereof of up to 50% of eligible compensation, as defined by the Plan. Participants may change the percentage of their contributions at any time. Contributions are subject to certain IRC limitations. Participants also may contribute by rolling over to the Plan amounts representing distributions from other qualified defined benefit plans, defined contribution plans, or eligible individual retirement accounts. Participants who attained age 50 before the end of the year are eligible to make catch-up contributions in accordance with limits as prescribed by the IRC.</span></div> 0.50 0.06 0.85 0.06 0.01 1000 50000 0.50 P12M P60M P15Y P20Y P90D Summary of Significant Accounting Policies<div><span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:700;line-height:112%">Basis of Accounting</span></div><div><span><br/></span></div><div style="margin-bottom:12pt"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:400;line-height:139%">The accompanying financial statements have been prepared in accordance with accounting principles generally accepted in the United States of America (“GAAP”).</span></div><div style="margin-bottom:12pt"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:700;line-height:139%">Use of Estimates</span></div><div style="margin-bottom:12pt"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:400;line-height:139%">The preparation of financial statements in conformity with GAAP requires Plan management to make estimates and assumptions that affect the reported amounts of assets, liabilities, and changes therein and disclosure of contingent assets and liabilities. Actual results could differ from those estimates.</span></div><div><span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:700;line-height:112%">Investment Valuation and Income Recognition</span></div><div><span><br/></span></div><div style="margin-bottom:12pt"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:400;line-height:139%">The Plan’s investments are stated at fair value. Quoted market prices are used to value all readily marketable securities. Common stocks are valued at the closing price reported on the active market on which the individual securities are traded. Money market funds are valued at the quoted price of shares held by the Plan. Common collective trust funds are valued at the net asset value (“NAV”) of units of a collective trust fund. The NAV, as provided by the custodian of the respective fund, is used as a practical expedient to estimate fair value. The NAV is based on the fair value of the underlying investments held by the fund less its liabilities. This practical expedient is not used when it is determined to be probable that the fund will sell the investment for an amount different than the reported NAV. Participant transactions (purchases and sales) may occur daily.</span></div><div style="margin-bottom:12pt"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:400;line-height:139%">Purchases and sales of securities are recorded on a trade-date basis. Interest income is recorded on the accrual basis. Dividend income is recorded on the ex-dividend date. The Plan presents, in the statement of changes in net assets available for benefits, the appreciation in the fair value of its investments, which consists of realized and unrealized gains and losses of those investments.</span></div><div><span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:700;line-height:112%">Payment of Benefits</span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:400;line-height:120%">Benefit payments to participants or beneficiaries are recorded upon distribution.</span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:700;line-height:112%">Notes Receivable from Participants</span></div><div><span><br/></span></div><div style="margin-bottom:12pt"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:400;line-height:139%">Notes receivable from participants represent participant loans that are recorded at their unpaid principal balance plus any accrued but unpaid interest. Interest income on notes receivable from participants is recorded when it is earned. Related fees are recorded as administrative expenses and are deducted when they are incurred. If a participant ceases to make loan repayments and the plan administrator deems the participant loan to be a distribution, the participant loan balance is reduced and a benefit payment is recorded.</span></div> <div><span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:700;line-height:112%">Basis of Accounting</span></div><div><span><br/></span></div><div style="margin-bottom:12pt"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:400;line-height:139%">The accompanying financial statements have been prepared in accordance with accounting principles generally accepted in the United States of America (“GAAP”).</span></div> <div style="margin-bottom:12pt"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:700;line-height:139%">Use of Estimates</span></div><div style="margin-bottom:12pt"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:400;line-height:139%">The preparation of financial statements in conformity with GAAP requires Plan management to make estimates and assumptions that affect the reported amounts of assets, liabilities, and changes therein and disclosure of contingent assets and liabilities. Actual results could differ from those estimates.</span></div> <div><span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:700;line-height:112%">Investment Valuation and Income Recognition</span></div><div><span><br/></span></div><div style="margin-bottom:12pt"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:400;line-height:139%">The Plan’s investments are stated at fair value. Quoted market prices are used to value all readily marketable securities. Common stocks are valued at the closing price reported on the active market on which the individual securities are traded. Money market funds are valued at the quoted price of shares held by the Plan. Common collective trust funds are valued at the net asset value (“NAV”) of units of a collective trust fund. The NAV, as provided by the custodian of the respective fund, is used as a practical expedient to estimate fair value. The NAV is based on the fair value of the underlying investments held by the fund less its liabilities. This practical expedient is not used when it is determined to be probable that the fund will sell the investment for an amount different than the reported NAV. Participant transactions (purchases and sales) may occur daily.</span></div><div style="margin-bottom:12pt"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:400;line-height:139%">Purchases and sales of securities are recorded on a trade-date basis. Interest income is recorded on the accrual basis. Dividend income is recorded on the ex-dividend date. The Plan presents, in the statement of changes in net assets available for benefits, the appreciation in the fair value of its investments, which consists of realized and unrealized gains and losses of those investments.</span></div> <div><span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:700;line-height:112%">Payment of Benefits</span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:400;line-height:120%">Benefit payments to participants or beneficiaries are recorded upon distribution.</span></div> <div><span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:700;line-height:112%">Notes Receivable from Participants</span></div><div><span><br/></span></div><div style="margin-bottom:12pt"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:400;line-height:139%">Notes receivable from participants represent participant loans that are recorded at their unpaid principal balance plus any accrued but unpaid interest. Interest income on notes receivable from participants is recorded when it is earned. Related fees are recorded as administrative expenses and are deducted when they are incurred. If a participant ceases to make loan repayments and the plan administrator deems the participant loan to be a distribution, the participant loan balance is reduced and a benefit payment is recorded.</span></div> Fair Value Measurements<div style="margin-bottom:5pt"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:400;line-height:139%">Financial Accounting Standards Board Accounting Standard Codification Topic 820 establishes a fair value hierarchy that prioritizes observable and unobservable inputs to valuation techniques used to measure fair value. These levels, in order of highest to lowest priority are described below:</span></div><div style="padding-left:1.12pt"><table style="border-collapse:collapse;display:inline-table;margin-bottom:5pt;vertical-align:text-bottom;width:99.577%"><tr><td style="width:1.0%"></td><td style="width:7.041%"></td><td style="width:0.1%"></td><td style="width:0.1%"></td><td style="width:0.568%"></td><td style="width:0.1%"></td><td style="width:1.0%"></td><td style="width:89.991%"></td><td style="width:0.1%"></td></tr><tr><td colspan="3" style="padding:2px 1pt 2px 1.02pt;text-align:left;vertical-align:top"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:400;line-height:100%">Level 1</span></td><td colspan="3" style="padding:0 1pt"></td><td colspan="3" style="padding:2px 1pt 2px 1.02pt;text-align:left;vertical-align:top"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:400;line-height:100%">Quoted prices (unadjusted) in active markets for identical assets or liabilities at the measurement date.</span></td></tr><tr style="height:3pt"><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><td colspan="3" style="padding:2px 1pt 2px 1.02pt;text-align:left;vertical-align:top"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:400;line-height:100%">Level 2</span></td><td colspan="3" style="padding:0 1pt"></td><td colspan="3" style="padding:2px 1pt 2px 1.02pt;text-align:left;vertical-align:top"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:400;line-height:100%">Observable prices that are based on inputs not quoted on active markets but corroborated by market data.</span></td></tr><tr style="height:3pt"><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><td colspan="3" style="padding:2px 1pt 2px 1.02pt;text-align:left;vertical-align:top"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:400;line-height:100%">Level 3</span></td><td colspan="3" style="padding:0 1pt"></td><td colspan="3" style="padding:2px 1pt 2px 1.02pt;text-align:left;vertical-align:top"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:400;line-height:100%">Prices that are unobservable for the asset or liability and are developed based on the best information available under the circumstances, which might include the Plan Sponsor’s own data.</span></td></tr></table></div><div style="padding-left:1.12pt"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:400;line-height:139%">    </span></div><div style="margin-bottom:5pt"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:400;line-height:139%">The Plan classifies its investments based on the lowest level of input that is significant to the fair value measurement. The following tables set forth, by level within the fair value hierarchy, a summary of the Plan’s investments measured at fair value as of December 31, 2025 and 2024.</span></div><div style="margin-bottom:5pt;padding-left:18pt"><table style="border-collapse:collapse;display:inline-table;margin-bottom:5pt;vertical-align:text-bottom;width:97.895%"><tr><td style="width:1.0%"></td><td style="width:39.993%"></td><td style="width:0.1%"></td><td style="width:1.0%"></td><td style="width:16.868%"></td><td style="width:0.1%"></td><td style="width:1.0%"></td><td style="width:2.650%"></td><td style="width:0.1%"></td><td style="width:1.0%"></td><td style="width:14.368%"></td><td style="width:0.1%"></td><td style="width:1.0%"></td><td style="width:2.650%"></td><td style="width:0.1%"></td><td style="width:1.0%"></td><td style="width:16.871%"></td><td style="width:0.1%"></td></tr><tr><td colspan="3" style="background-color:#cceeff;padding:0 1pt"></td><td colspan="3" style="background-color:#cceeff;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:700;line-height:100%;text-decoration:underline">Level 1</span></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"></td><td colspan="3" style="background-color:#cceeff;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:700;line-height:100%;text-decoration:underline">Level 2</span></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"></td><td colspan="3" style="background-color:#cceeff;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:700;line-height:100%;text-decoration:underline">Total</span></td></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:700;line-height:100%">December 31, 2025</span></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"></td></tr><tr style="height:15pt"><td colspan="3" style="background-color:#cceeff;padding:0 1pt"></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"></td></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt 2px 3.77pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:700;line-height:100%">Southern Company Common Stock</span></td><td style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:700;line-height:100%">$</span></td><td style="background-color:#ffffff;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:700;line-height:100%">3,133,901,439</span><span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:400;line-height:100%"> </span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"></td><td style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:700;line-height:100%">$</span></td><td style="background-color:#ffffff;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:700;line-height:100%">3,133,901,439</span><span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:400;line-height:100%"> </span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td></tr><tr><td colspan="3" style="background-color:#cceeff;padding:2px 1pt 2px 3.77pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:700;line-height:100%">Money Market Fund</span></td><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:700;line-height:100%">4,453,394</span><span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:400;line-height:100%"> </span></td><td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"></td><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:700;line-height:100%">4,453,394</span><span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:400;line-height:100%"> </span></td><td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt 2px 3.77pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:700;line-height:100%">Self-Directed Investments</span></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:700;line-height:100%">893,397,975</span><span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:400;line-height:100%"> </span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:700;line-height:100%">43,666,599</span><span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:400;line-height:100%"> </span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:700;line-height:100%">937,064,574</span><span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:400;line-height:100%"> </span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td></tr><tr style="height:15pt"><td colspan="3" style="background-color:#cceeff;padding:0 1pt"></td><td colspan="3" style="background-color:#cceeff;border-top:1pt solid #000;padding:0 1pt"></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"></td><td colspan="3" style="background-color:#cceeff;border-top:1pt solid #000;padding:0 1pt"></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"></td><td colspan="3" style="background-color:#cceeff;border-top:1pt solid #000;padding:0 1pt"></td></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt 2px 3.77pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:700;line-height:100%">Total Investments in Hierarchy</span></td><td style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:700;line-height:100%">$</span></td><td style="background-color:#ffffff;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:700;line-height:100%">4,031,752,808</span><span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:400;line-height:100%"> </span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"></td><td style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:700;line-height:100%">$</span></td><td style="background-color:#ffffff;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:700;line-height:100%">43,666,599</span><span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:400;line-height:100%"> </span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"></td><td style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:700;line-height:100%">$</span></td><td style="background-color:#ffffff;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:700;line-height:100%">4,075,419,407</span><span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:400;line-height:100%"> </span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td></tr><tr style="height:15pt"><td colspan="3" style="background-color:#cceeff;padding:0 1pt"></td><td colspan="3" style="background-color:#cceeff;border-top:3pt double #000;padding:0 1pt"></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"></td><td colspan="3" style="background-color:#cceeff;border-top:3pt double #000;padding:0 1pt"></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"></td><td colspan="3" style="background-color:#cceeff;border-top:3pt double #000;padding:0 1pt"></td></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt 2px 3.77pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:700;line-height:100%">Investments Valued at NAV</span></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"></td></tr><tr><td colspan="3" style="background-color:#cceeff;padding:2px 1pt 2px 3.77pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:700;line-height:100%">     Common Collective Trusts (1)(2)</span></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"></td><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:700;line-height:100%">6,035,516,366</span><span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:400;line-height:100%"> </span></td><td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td></tr><tr style="height:15pt"><td colspan="3" style="background-color:#ffffff;padding:0 1pt"></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"></td><td colspan="3" style="background-color:#ffffff;border-top:1pt solid #000;padding:0 1pt"></td></tr><tr><td colspan="3" style="background-color:#cceeff;padding:2px 1pt 2px 3.77pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:700;line-height:100%">Total Investments at Fair Value</span></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"></td><td style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:700;line-height:100%">$</span></td><td style="background-color:#cceeff;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:700;line-height:100%">10,110,935,773</span><span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:400;line-height:100%"> </span></td><td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td></tr><tr style="height:15pt"><td colspan="3" style="background-color:#ffffff;padding:0 1pt"></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"></td><td colspan="3" style="background-color:#ffffff;border-top:3pt double #000;padding:0 1pt"></td></tr><tr><td colspan="3" style="background-color:#cceeff;padding:0 1pt"></td><td colspan="3" style="background-color:#cceeff;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:700;line-height:100%;text-decoration:underline">Level 1</span></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"></td><td colspan="3" style="background-color:#cceeff;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:700;line-height:100%;text-decoration:underline">Level 2</span></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"></td><td colspan="3" style="background-color:#cceeff;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:700;line-height:100%;text-decoration:underline">Total</span></td></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:400;line-height:100%">December 31, 2024</span></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"></td></tr><tr style="height:15pt"><td colspan="3" style="background-color:#cceeff;padding:0 1pt"></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"></td></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt 2px 3.77pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:400;line-height:100%">Southern Company Common Stock</span></td><td style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ffffff;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:400;line-height:100%">3,064,813,002 </span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"></td><td style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ffffff;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:400;line-height:100%">3,064,813,002 </span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td></tr><tr><td colspan="3" style="background-color:#cceeff;padding:2px 1pt 2px 3.77pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:400;line-height:100%">Money Market Fund</span></td><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:400;line-height:100%">2,011,460 </span></td><td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"></td><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:400;line-height:100%">2,011,460 </span></td><td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt 2px 3.77pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:400;line-height:100%">Self-Directed Investments</span></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:400;line-height:100%">756,504,353 </span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:400;line-height:100%">41,146,530 </span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:400;line-height:100%">797,650,883 </span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td></tr><tr style="height:15pt"><td colspan="3" style="background-color:#cceeff;padding:0 1pt"></td><td colspan="3" style="background-color:#cceeff;border-top:1pt solid #000;padding:0 1pt"></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"></td><td colspan="3" style="background-color:#cceeff;border-top:1pt solid #000;padding:0 1pt"></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"></td><td colspan="3" style="background-color:#cceeff;border-top:1pt solid #000;padding:0 1pt"></td></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt 2px 3.77pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:400;line-height:100%">Total Investments in Hierarchy</span></td><td style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ffffff;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:400;line-height:100%">3,823,328,815 </span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"></td><td style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ffffff;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:400;line-height:100%">41,146,530 </span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"></td><td style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ffffff;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:400;line-height:100%">3,864,475,345 </span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td></tr><tr style="height:15pt"><td colspan="3" style="background-color:#cceeff;padding:0 1pt"></td><td colspan="3" style="background-color:#cceeff;border-top:3pt double #000;padding:0 1pt"></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"></td><td colspan="3" style="background-color:#cceeff;border-top:3pt double #000;padding:0 1pt"></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"></td><td colspan="3" style="background-color:#cceeff;border-top:3pt double #000;padding:0 1pt"></td></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt 2px 3.77pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:400;line-height:100%">Investments Valued at NAV</span></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"></td></tr><tr><td colspan="3" style="background-color:#cceeff;padding:2px 1pt 2px 3.77pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:400;line-height:100%">     Common Collective Trusts (1)(2)</span></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"></td><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:400;line-height:100%">5,303,001,223 </span></td><td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td></tr><tr style="height:15pt"><td colspan="3" style="background-color:#ffffff;padding:0 1pt"></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"></td><td colspan="3" style="background-color:#ffffff;border-top:1pt solid #000;padding:0 1pt"></td></tr><tr><td colspan="3" style="background-color:#cceeff;padding:2px 1pt 2px 3.77pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:400;line-height:100%">Total Investments at Fair Value</span></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"></td><td style="background-color:#cceeff;border-bottom:3pt double #000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#cceeff;border-bottom:3pt double #000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:400;line-height:100%">9,167,476,568 </span></td><td style="background-color:#cceeff;border-bottom:3pt double #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td></tr></table></div><div style="margin-top:9pt;padding-left:36pt;text-indent:-18pt"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:139%">(1)</span><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:139%;padding-left:7.52pt">Certain investments measured at NAV per unit (or its equivalent) have not been classified in the fair value hierarchy. The fair value amounts presented are intended to permit reconciliation of the fair value hierarchy to the statement of net assets available for benefits.</span></div><div style="margin-bottom:5pt;padding-left:36pt;text-indent:-18pt"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:139%">(2)</span><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:139%;padding-left:7.52pt">Measured using the NAV per unit (or its equivalent) as a practical expedient and held in a fund that files a Form 5500, Annual Return/Report of Employee Benefit Plan, as a direct filing entity.</span></div> The following tables set forth, by level within the fair value hierarchy, a summary of the Plan’s investments measured at fair value as of December 31, 2025 and 2024.<div style="margin-bottom:5pt;padding-left:18pt"><table style="border-collapse:collapse;display:inline-table;margin-bottom:5pt;vertical-align:text-bottom;width:97.895%"><tr><td style="width:1.0%"></td><td style="width:39.993%"></td><td style="width:0.1%"></td><td style="width:1.0%"></td><td style="width:16.868%"></td><td style="width:0.1%"></td><td style="width:1.0%"></td><td style="width:2.650%"></td><td style="width:0.1%"></td><td style="width:1.0%"></td><td style="width:14.368%"></td><td style="width:0.1%"></td><td style="width:1.0%"></td><td style="width:2.650%"></td><td style="width:0.1%"></td><td style="width:1.0%"></td><td style="width:16.871%"></td><td style="width:0.1%"></td></tr><tr><td colspan="3" style="background-color:#cceeff;padding:0 1pt"></td><td colspan="3" style="background-color:#cceeff;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:700;line-height:100%;text-decoration:underline">Level 1</span></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"></td><td colspan="3" style="background-color:#cceeff;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:700;line-height:100%;text-decoration:underline">Level 2</span></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"></td><td colspan="3" style="background-color:#cceeff;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:700;line-height:100%;text-decoration:underline">Total</span></td></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:700;line-height:100%">December 31, 2025</span></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"></td></tr><tr style="height:15pt"><td colspan="3" style="background-color:#cceeff;padding:0 1pt"></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"></td></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt 2px 3.77pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:700;line-height:100%">Southern Company Common Stock</span></td><td style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:700;line-height:100%">$</span></td><td style="background-color:#ffffff;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:700;line-height:100%">3,133,901,439</span><span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:400;line-height:100%"> </span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"></td><td style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:700;line-height:100%">$</span></td><td style="background-color:#ffffff;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:700;line-height:100%">3,133,901,439</span><span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:400;line-height:100%"> </span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td></tr><tr><td colspan="3" style="background-color:#cceeff;padding:2px 1pt 2px 3.77pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:700;line-height:100%">Money Market Fund</span></td><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:700;line-height:100%">4,453,394</span><span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:400;line-height:100%"> </span></td><td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"></td><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:700;line-height:100%">4,453,394</span><span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:400;line-height:100%"> </span></td><td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt 2px 3.77pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:700;line-height:100%">Self-Directed Investments</span></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:700;line-height:100%">893,397,975</span><span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:400;line-height:100%"> </span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:700;line-height:100%">43,666,599</span><span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:400;line-height:100%"> </span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:700;line-height:100%">937,064,574</span><span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:400;line-height:100%"> </span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td></tr><tr style="height:15pt"><td colspan="3" style="background-color:#cceeff;padding:0 1pt"></td><td colspan="3" style="background-color:#cceeff;border-top:1pt solid #000;padding:0 1pt"></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"></td><td colspan="3" style="background-color:#cceeff;border-top:1pt solid #000;padding:0 1pt"></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"></td><td colspan="3" style="background-color:#cceeff;border-top:1pt solid #000;padding:0 1pt"></td></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt 2px 3.77pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:700;line-height:100%">Total Investments in Hierarchy</span></td><td style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:700;line-height:100%">$</span></td><td style="background-color:#ffffff;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:700;line-height:100%">4,031,752,808</span><span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:400;line-height:100%"> </span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"></td><td style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:700;line-height:100%">$</span></td><td style="background-color:#ffffff;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:700;line-height:100%">43,666,599</span><span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:400;line-height:100%"> </span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"></td><td style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:700;line-height:100%">$</span></td><td style="background-color:#ffffff;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:700;line-height:100%">4,075,419,407</span><span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:400;line-height:100%"> </span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td></tr><tr style="height:15pt"><td colspan="3" style="background-color:#cceeff;padding:0 1pt"></td><td colspan="3" style="background-color:#cceeff;border-top:3pt double #000;padding:0 1pt"></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"></td><td colspan="3" style="background-color:#cceeff;border-top:3pt double #000;padding:0 1pt"></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"></td><td colspan="3" style="background-color:#cceeff;border-top:3pt double #000;padding:0 1pt"></td></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt 2px 3.77pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:700;line-height:100%">Investments Valued at NAV</span></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"></td></tr><tr><td colspan="3" style="background-color:#cceeff;padding:2px 1pt 2px 3.77pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:700;line-height:100%">     Common Collective Trusts (1)(2)</span></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"></td><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:700;line-height:100%">6,035,516,366</span><span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:400;line-height:100%"> </span></td><td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td></tr><tr style="height:15pt"><td colspan="3" style="background-color:#ffffff;padding:0 1pt"></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"></td><td colspan="3" style="background-color:#ffffff;border-top:1pt solid #000;padding:0 1pt"></td></tr><tr><td colspan="3" style="background-color:#cceeff;padding:2px 1pt 2px 3.77pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:700;line-height:100%">Total Investments at Fair Value</span></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"></td><td style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:700;line-height:100%">$</span></td><td style="background-color:#cceeff;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:700;line-height:100%">10,110,935,773</span><span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:400;line-height:100%"> </span></td><td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td></tr><tr style="height:15pt"><td colspan="3" style="background-color:#ffffff;padding:0 1pt"></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"></td><td colspan="3" style="background-color:#ffffff;border-top:3pt double #000;padding:0 1pt"></td></tr><tr><td colspan="3" style="background-color:#cceeff;padding:0 1pt"></td><td colspan="3" style="background-color:#cceeff;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:700;line-height:100%;text-decoration:underline">Level 1</span></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"></td><td colspan="3" style="background-color:#cceeff;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:700;line-height:100%;text-decoration:underline">Level 2</span></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"></td><td colspan="3" style="background-color:#cceeff;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:700;line-height:100%;text-decoration:underline">Total</span></td></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:400;line-height:100%">December 31, 2024</span></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"></td></tr><tr style="height:15pt"><td colspan="3" style="background-color:#cceeff;padding:0 1pt"></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"></td></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt 2px 3.77pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:400;line-height:100%">Southern Company Common Stock</span></td><td style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ffffff;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:400;line-height:100%">3,064,813,002 </span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"></td><td style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ffffff;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:400;line-height:100%">3,064,813,002 </span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td></tr><tr><td colspan="3" style="background-color:#cceeff;padding:2px 1pt 2px 3.77pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:400;line-height:100%">Money Market Fund</span></td><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:400;line-height:100%">2,011,460 </span></td><td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"></td><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:400;line-height:100%">2,011,460 </span></td><td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt 2px 3.77pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:400;line-height:100%">Self-Directed Investments</span></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:400;line-height:100%">756,504,353 </span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:400;line-height:100%">41,146,530 </span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:400;line-height:100%">797,650,883 </span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td></tr><tr style="height:15pt"><td colspan="3" style="background-color:#cceeff;padding:0 1pt"></td><td colspan="3" style="background-color:#cceeff;border-top:1pt solid #000;padding:0 1pt"></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"></td><td colspan="3" style="background-color:#cceeff;border-top:1pt solid #000;padding:0 1pt"></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"></td><td colspan="3" style="background-color:#cceeff;border-top:1pt solid #000;padding:0 1pt"></td></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt 2px 3.77pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:400;line-height:100%">Total Investments in Hierarchy</span></td><td style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ffffff;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:400;line-height:100%">3,823,328,815 </span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"></td><td style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ffffff;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:400;line-height:100%">41,146,530 </span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"></td><td style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ffffff;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:400;line-height:100%">3,864,475,345 </span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td></tr><tr style="height:15pt"><td colspan="3" style="background-color:#cceeff;padding:0 1pt"></td><td colspan="3" style="background-color:#cceeff;border-top:3pt double #000;padding:0 1pt"></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"></td><td colspan="3" style="background-color:#cceeff;border-top:3pt double #000;padding:0 1pt"></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"></td><td colspan="3" style="background-color:#cceeff;border-top:3pt double #000;padding:0 1pt"></td></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt 2px 3.77pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:400;line-height:100%">Investments Valued at NAV</span></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"></td></tr><tr><td colspan="3" style="background-color:#cceeff;padding:2px 1pt 2px 3.77pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:400;line-height:100%">     Common Collective Trusts (1)(2)</span></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"></td><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:400;line-height:100%">5,303,001,223 </span></td><td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td></tr><tr style="height:15pt"><td colspan="3" style="background-color:#ffffff;padding:0 1pt"></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"></td><td colspan="3" style="background-color:#ffffff;border-top:1pt solid #000;padding:0 1pt"></td></tr><tr><td colspan="3" style="background-color:#cceeff;padding:2px 1pt 2px 3.77pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:400;line-height:100%">Total Investments at Fair Value</span></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"></td><td style="background-color:#cceeff;border-bottom:3pt double #000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#cceeff;border-bottom:3pt double #000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:400;line-height:100%">9,167,476,568 </span></td><td style="background-color:#cceeff;border-bottom:3pt double #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td></tr></table></div><div style="margin-top:9pt;padding-left:36pt;text-indent:-18pt"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:139%">(1)</span><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:139%;padding-left:7.52pt">Certain investments measured at NAV per unit (or its equivalent) have not been classified in the fair value hierarchy. The fair value amounts presented are intended to permit reconciliation of the fair value hierarchy to the statement of net assets available for benefits.</span></div><div style="margin-bottom:5pt;padding-left:36pt;text-indent:-18pt"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:139%">(2)</span><span style="color:#000000;font-family:'Times New Roman',serif;font-size:9pt;font-weight:400;line-height:139%;padding-left:7.52pt">Measured using the NAV per unit (or its equivalent) as a practical expedient and held in a fund that files a Form 5500, Annual Return/Report of Employee Benefit Plan, as a direct filing entity.</span></div> 3133901439 3133901439 4453394 4453394 893397975 43666599 937064574 4031752808 43666599 4075419407 6035516366 10110935773 3064813002 3064813002 2011460 2011460 756504353 41146530 797650883 3823328815 41146530 3864475345 5303001223 9167476568 Income Tax Status<div><span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:400;line-height:139%">The Internal Revenue Service (the “IRS”) has determined and informed the Plan Sponsor by a letter dated September 23, 2015 that the Plan and related trust were designed in accordance with the applicable regulations of the IRC. Although the Plan has been amended since receiving the determination letter, the Plan Sponsor and the Committee believe that the Plan is currently designed and operated in compliance with the applicable requirements of the IRC, and the Plan and related trust continue to be tax-exempt.</span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:400;line-height:139%">GAAP requires plan management to evaluate tax positions taken by the Plan and recognize a tax liability if the Plan has taken an uncertain position which is more likely than not would not be sustained upon examination by the IRS. The Plan is subject to routine audits by taxing jurisdictions; however, there are currently no audits for any tax periods in progress.</span></div> Related-Party and Party-In-Interest Transactions <div><span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:400;line-height:139%">Certain Plan investments are units of common collective trust funds managed by BlackRock, Inc., a company in which the Trustee holds a substantial but not majority ownership interest and, therefore, these transactions qualify as a party-in-interest transactions. In addition, the Plan paid fees to the recordkeeper and the Trustee which are included in administrative fees in the statement of changes in benefits. These fees also qualify as party-in-interest transactions.</span></div><span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:400;line-height:139%">At December 31, 2025 and 2024, the Plan held 35,939,237 and 37,230,479 shares, respectively, of common stock of the Company at a fair value </span><span style="background-color:#ffffff;color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:400;line-height:139%">of $3,133,901,439 a</span><span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:400;line-height:139%">nd $3,064,813,002, respectively, with a cost basis o</span><span style="background-color:#ffffff;color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:400;line-height:139%">f $3,056,786,025 a</span>nd $2,698,434,513, respectively. During the year ended December 31, 2025, the Plan recorded related dividend income of $119,445,785. 35939237 37230479 3133901439 3064813002 3056786025 2698434513 119445785 Risks and Uncertainties<div><span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:400;line-height:139%">The Plan provides for various investment options. Investment securities, in general, are exposed to various risks, such as interest rate, credit, and overall market volatility. Due to the level of risk associated with certain investment securities, it is reasonably possible that changes in the values of investment securities will occur in the near term and that such changes could materially affect the amounts reported in the financial statements.</span></div> Subsequent Events<div style="text-align:justify"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:400;line-height:139%">Management has evaluated the events and transactions that have occurred through June 26, 2026, the date the financial statements were made available for issuance, and noted no items requiring adjustment of the financial statements or additional disclosures.</span></div> <div style="padding-left:19.5pt"><table style="border-collapse:collapse;display:inline-table;margin-bottom:5pt;vertical-align:text-bottom;width:93.866%"><tr><td style="width:1.0%"></td><td style="width:2.145%"></td><td style="width:0.1%"></td><td style="width:1.0%"></td><td style="width:18.683%"></td><td style="width:0.1%"></td><td style="width:1.0%"></td><td style="width:40.167%"></td><td style="width:0.1%"></td><td style="width:0.1%"></td><td style="width:0.572%"></td><td style="width:0.1%"></td><td style="width:1.0%"></td><td style="width:10.646%"></td><td style="width:0.1%"></td><td style="width:0.1%"></td><td style="width:0.572%"></td><td style="width:0.1%"></td><td style="width:1.0%"></td><td style="width:4.000%"></td><td style="width:0.1%"></td><td style="width:0.1%"></td><td style="width:0.572%"></td><td style="width:0.1%"></td><td style="width:1.0%"></td><td style="width:15.443%"></td><td style="width:0.1%"></td></tr><tr><td colspan="27" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:8pt;font-weight:400;line-height:100%">Southern Company Employee Savings Plan<br/></span></td></tr><tr><td colspan="27" style="padding:2px 1pt;text-align:left;vertical-align:bottom"><div style="text-align:center"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:8pt;font-weight:400;line-height:100%">EIN #63-0274273 Plan #002</span></div><div style="text-align:center"><span><br/></span></div></td></tr><tr><td colspan="27" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:8pt;font-weight:400;line-height:100%">Schedule H, Line 4i – Schedule of Assets<br/></span></td></tr><tr><td colspan="27" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:8pt;font-weight:400;line-height:100%">(Held at End of Year)<br/></span></td></tr><tr><td colspan="27" style="padding:2px 1pt;text-align:left;vertical-align:bottom"><div style="text-align:center"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:8pt;font-weight:400;line-height:100%">December 31, 2025</span></div><div style="text-align:center"><span><br/></span></div></td></tr><tr><td colspan="3" style="padding:0 1pt"></td><td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:8pt;font-weight:400;line-height:100%">(b)</span></td><td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:8pt;font-weight:400;line-height:100%">(c)</span></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><td colspan="3" style="padding:0 1pt"></td><td colspan="3" style="padding:0 1pt"></td></tr><tr><td colspan="3" style="padding:0 1pt"></td><td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:8pt;font-weight:700;line-height:100%">Identity of Issue,</span></td><td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:8pt;font-weight:700;line-height:100%">Description of Investment Including</span></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><td colspan="3" style="padding:0 1pt"></td><td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:8pt;font-weight:400;line-height:100%">(e)</span></td></tr><tr><td colspan="3" style="padding:0 1pt"></td><td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:8pt;font-weight:700;line-height:100%">Borrower, Lessor,</span></td><td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:8pt;font-weight:700;line-height:100%">Maturity Date, Rate of Interest,</span></td><td colspan="3" style="padding:0 1pt"></td><td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:8pt;font-weight:700;line-height:100%">Shares/</span></td><td colspan="3" style="padding:0 1pt"></td><td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:8pt;font-weight:400;line-height:100%">(d)</span></td><td colspan="3" style="padding:0 1pt"></td><td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:8pt;font-weight:700;line-height:100%">Current</span></td></tr><tr><td colspan="3" style="padding:2px 1pt 2px 1.02pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:8pt;font-weight:400;line-height:100%">(a)</span></td><td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:8pt;font-weight:700;line-height:100%">or Similar Party</span></td><td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:8pt;font-weight:700;line-height:100%">Collateral, Par, or Maturity Value</span></td><td colspan="3" style="padding:0 1pt"></td><td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:8pt;font-weight:700;line-height:100%">Units</span></td><td colspan="3" style="padding:0 1pt"></td><td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:8pt;font-weight:700;line-height:100%">Cost</span></td><td colspan="3" style="padding:0 1pt"></td><td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:8pt;font-weight:700;line-height:100%">Value</span></td></tr><tr style="height:13pt"><td colspan="3" style="border-top:1pt solid #000000;padding:0 1pt"></td><td colspan="3" style="border-top:1pt solid #000000;padding:0 1pt"></td><td colspan="3" style="border-top:1pt solid #000000;padding:0 1pt"></td><td colspan="3" style="border-top:1pt solid #000000;padding:0 1pt"></td><td colspan="3" style="border-top:1pt solid #000000;padding:0 1pt"></td><td colspan="3" style="border-top:1pt solid #000000;padding:0 1pt"></td><td colspan="3" style="border-top:1pt solid #000000;padding:0 1pt"></td><td colspan="3" style="border-top:1pt solid #000000;padding:0 1pt"></td><td colspan="3" style="border-top:1pt solid #000000;padding:0 1pt"></td></tr><tr><td colspan="3" style="background-color:#cceeff;padding:2px 1pt;text-align:center;vertical-align:top"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:8pt;font-weight:400;line-height:100%">*</span></td><td colspan="3" style="background-color:#cceeff;padding:2px 1pt;text-align:left;vertical-align:top"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:8pt;font-weight:400;line-height:120%">Southern Company</span></td><td colspan="3" style="background-color:#cceeff;padding:2px 1pt 2px 1.02pt;text-align:left;vertical-align:top"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:8pt;font-weight:400;line-height:100%">Common Stock</span></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"></td><td colspan="3" style="background-color:#cceeff;padding:2px 1pt;text-align:center;vertical-align:top"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:8pt;font-weight:400;line-height:100%">**</span></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"></td><td style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:left;vertical-align:top"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:8pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#cceeff;padding:2px 0;text-align:right;vertical-align:top"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:8pt;font-weight:400;line-height:100%">3,133,901,439 </span></td><td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:top"></td></tr><tr><td colspan="3" style="background-color:#ffffff;padding:0 1pt"></td><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:top"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:8pt;font-weight:400;line-height:100%">BIF Money Fund</span></td><td colspan="3" style="background-color:#ffffff;padding:2px 1pt 2px 1.02pt;text-align:left;vertical-align:top"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:8pt;font-weight:400;line-height:100%">Money Market Fund</span></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"></td><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:center;vertical-align:top"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:8pt;font-weight:400;line-height:100%">**</span></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:top"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:8pt;font-weight:400;line-height:100%">4,453,394 </span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:top"></td></tr><tr><td colspan="3" style="background-color:#cceeff;padding:2px 1pt;text-align:center;vertical-align:top"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:8pt;font-weight:400;line-height:100%">*</span></td><td colspan="3" style="background-color:#cceeff;padding:2px 1pt;text-align:left;vertical-align:top"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:8pt;font-weight:400;line-height:100%">BlackRock Russell 2000 Fund</span></td><td colspan="3" style="background-color:#cceeff;padding:2px 1pt 2px 1.02pt;text-align:left;vertical-align:top"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:8pt;font-weight:400;line-height:100%">Common collective trust</span></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"></td><td colspan="3" style="background-color:#cceeff;padding:2px 1pt;text-align:center;vertical-align:top"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:8pt;font-weight:400;line-height:100%">**</span></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"></td><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:top"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:8pt;font-weight:400;line-height:100%">939,183,252 </span></td><td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:top"></td></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:center;vertical-align:top"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:8pt;font-weight:400;line-height:100%">*</span></td><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:top"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:8pt;font-weight:400;line-height:100%">BlackRock EAFE Equity Fund</span></td><td colspan="3" style="background-color:#ffffff;padding:2px 1pt 2px 1.02pt;text-align:left;vertical-align:top"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:8pt;font-weight:400;line-height:100%">Common collective trust</span></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"></td><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:center;vertical-align:top"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:8pt;font-weight:400;line-height:100%">**</span></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:top"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:8pt;font-weight:400;line-height:100%">1,303,720,721 </span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:top"></td></tr><tr><td colspan="3" style="background-color:#cceeff;padding:0 1pt"></td><td colspan="3" style="background-color:#cceeff;padding:2px 1pt 2px 1.02pt;text-align:left;vertical-align:top"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:8pt;font-weight:400;line-height:100%">Northern Trust Coll Aggr Bond Index Fund II</span></td><td colspan="3" style="background-color:#cceeff;padding:2px 1pt 2px 1.02pt;text-align:left;vertical-align:top"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:8pt;font-weight:400;line-height:100%">Common collective trust</span></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"></td><td colspan="3" style="background-color:#cceeff;padding:2px 1pt;text-align:center;vertical-align:top"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:8pt;font-weight:400;line-height:100%">**</span></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"></td><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:top"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:8pt;font-weight:400;line-height:100%">928,704,966 </span></td><td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:top"></td></tr><tr><td colspan="3" style="background-color:#ffffff;padding:0 1pt"></td><td colspan="3" style="background-color:#ffffff;padding:2px 1pt 2px 1.02pt;text-align:left;vertical-align:top"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:8pt;font-weight:400;line-height:100%">Short-term Investment Fund</span></td><td colspan="3" style="background-color:#ffffff;padding:2px 1pt 2px 1.02pt;text-align:left;vertical-align:top"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:8pt;font-weight:400;line-height:100%">Common collective trust</span></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"></td><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:center;vertical-align:top"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:8pt;font-weight:400;line-height:100%">**</span></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:top"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:8pt;font-weight:400;line-height:100%">526,355,429 </span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:top"></td></tr><tr><td colspan="3" style="background-color:#cceeff;padding:0 1pt"></td><td colspan="3" style="background-color:#cceeff;padding:2px 1pt 2px 1.02pt;text-align:left;vertical-align:top"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:8pt;font-weight:400;line-height:100%">Vanguard Institutional 500 Fund</span></td><td colspan="3" style="background-color:#cceeff;padding:2px 1pt 2px 1.02pt;text-align:left;vertical-align:top"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:8pt;font-weight:400;line-height:100%">Common collective trust</span></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"></td><td colspan="3" style="background-color:#cceeff;padding:2px 1pt;text-align:center;vertical-align:top"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:8pt;font-weight:400;line-height:100%">**</span></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"></td><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:top"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:8pt;font-weight:400;line-height:100%">2,337,551,998 </span></td><td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:top"></td></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:center;vertical-align:top"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:8pt;font-weight:400;line-height:100%">*</span></td><td colspan="3" style="background-color:#ffffff;padding:2px 1pt 2px 1.02pt;text-align:left;vertical-align:top"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:8pt;font-weight:400;line-height:100%">Participants</span></td><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:top"><div style="padding-left:0.02pt"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:8pt;font-weight:400;line-height:100%">Loan to participants, with interest ranging </span></div><div style="padding-left:0.02pt"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:8pt;font-weight:400;line-height:100%">from 3.25% to 10.50%</span></div></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"></td><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:center;vertical-align:top"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:8pt;font-weight:400;line-height:100%">**</span></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:top"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:8pt;font-weight:400;line-height:100%">140,211,462 </span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:top"></td></tr><tr><td colspan="3" style="background-color:#cceeff;padding:0 1pt"></td><td colspan="3" style="background-color:#cceeff;padding:2px 1pt 2px 1.02pt;text-align:left;vertical-align:top"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:8pt;font-weight:400;line-height:100%">Various</span></td><td colspan="3" style="background-color:#cceeff;padding:2px 1pt;text-align:left;vertical-align:top"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:8pt;font-weight:400;line-height:100%">Self-directed accounts</span></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"></td><td colspan="3" style="background-color:#cceeff;padding:2px 1pt;text-align:center;vertical-align:top"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:8pt;font-weight:400;line-height:100%">**</span></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"></td><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:top"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:8pt;font-weight:400;line-height:100%">937,064,574 </span></td><td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:top"></td></tr><tr><td colspan="3" style="background-color:#ffffff;padding:0 1pt"></td><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"><div style="padding-left:0.02pt"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:8pt;font-weight:400;line-height:100%">Total investments</span></div></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"></td><td style="background-color:#ffffff;border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:8pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ffffff;border-top:1pt solid #000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:8pt;font-weight:400;line-height:100%">10,251,147,235 </span></td><td style="background-color:#ffffff;border-top:1pt solid #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td></tr><tr style="height:3pt"><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><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:3pt double #000;padding:0 1pt"></td></tr><tr><td colspan="3" style="padding:0 1pt"></td><td colspan="24" style="padding:2px 1pt 2px 1.02pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:8pt;font-weight:400;line-height:100%">There were no investment assets reportable as acquired and disposed of during the year.</span></td></tr><tr style="height:3pt"><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><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><td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:8pt;font-weight:400;line-height:100%">*</span></td><td colspan="3" style="padding:2px 1pt 2px 1.02pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:8pt;font-weight:400;line-height:100%">Party in interest.</span></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><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><td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:8pt;font-weight:400;line-height:100%">**</span></td><td colspan="24" style="padding:2px 1pt 2px 1.02pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:8pt;font-weight:400;line-height:100%">Participant-directed investments, cost information is omitted.</span></td></tr></table></div> 63-0274273 002 3133901439 4453394 939183252 1303720721 928704966 526355429 2337551998 0.0325 0.1050 140211462 937064574 10251147235