Company: SOJE
Filing Date: 2025-06-27
Form Type: 11-K
Source: 0000092122-25-000064
Chunk: 6

Company: SOUTHERN CO
Filing Date: 2025-06-27
Form: 11-K
Chunk 6
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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.

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#### Southern Company Employee Savings Plan

### Notes to Financial Statements

#### Vesting
Participants are immediately vested in the total value of their accounts – both employee and Employer Matching Contributions.

#### Plan Termination
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.

#### Administrative Expenses
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.

In addition, investment management fees for all funds, except Company common stock, are charged to Plan assets.

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.

#### 2. Summary of Significant Accounting Policies

#### Basis of Accounting
The accompanying financial statements have been prepared in accordance with accounting principles generally accepted in the United States of America (“GAAP”).

#### Use of Estimates
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.

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#### Southern Company Employee Savings Plan

### Notes to Financial Statements

#### Investment Valuation and Income Recognition
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 exped