Company: SOJE
Filing Date: 2025-11-03
Form Type: 424B5
Source: 0000092122-25-000088
Chunk: 127

Company: SOUTHERN CO
Filing Date: 2025-11-03
Form: 424B5
Chunk 127
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 law or executive order to close or a day on which the Senior Note Indenture Trustee’s corporate trust office is closed for business.

The interest rate on the RSNs may be reset in connection with a successful remarketing, as described below under “Interest Rate Reset.” However, if there is not a successful remarketing, the interest rate will not be reset and each series of RSNs will continue to bear interest at the applicable initial interest rate, all as described below under “—Interest Rate Reset.” Except in the case of a failed final remarketing or with respect to any series of RSNs remarketed as floating-rate notes, interest on the applicable series of RSNs following the optional remarketing settlement date or the purchase contract settlement date, as applicable, will be payable on a semi-annual basis.

#### Remarketing
The RSNs will be remarketed as described under “Description of the Purchase Contracts— Remarketing.”

Following any successful remarketing of the RSNs:

• the interest rate on each series of the RSNs may be reset as described below and under “—Interest Rate Reset” below;

• interest on the RSNs will be payable semi-annually on June 15 and December 15 of each year (except with respect to any series of RSNs remarketed as floating-rate notes); and

• the Series 2025C RSNs will cease to be redeemable at the Company’s option, and the provisions described under “—Redemption at the Company’s Option” and “—Redemption Procedures” below will no longer apply to the Series 2025C RSNs.

All such modifications will take effect only if the remarketing is successful, without the consent of holders, on the optional remarketing settlement date or the purchase contract settlement date, as the case may be, and will apply to all RSNs of such series, whether or not included in the remarketing. All other terms of the RSNs will remain unchanged.

The Company will use commercially reasonable efforts to ensure that, if required by applicable law, a registration statement, including a prospectus, with regard to the full amount of each series of RSNs to be remarketed will be effective under the securities laws in a form that may be used by the remarketing agent in connection with the remarketing (unless a registration statement is not required under the applicable laws and regulations that are in effect at that time or unless the Company conducts any remarketing in accordance with an exemption under