Company: SOJE
Filing Date: 2025-11-04
Form Type: 424B2
Source: 0000092122-25-000092
Chunk: 67

Company: SOUTHERN CO
Filing Date: 2025-11-04
Form: 424B2
Chunk 67
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 Company will make such contract adjustment payments until the earliest of the purchase contract settlement date, the fundamental change early settlement date (in the case of a fundamental change early settlement, as described under “Description of the Purchase Contracts—Early Settlement Upon a Fundamental Change” below) and the most recent contract adjustment payment date on or before any other early settlement with respect to the related purchase contracts (in the case of an early settlement as described under “Description of the Purchase Contracts—Early Settlement” below). If the purchase contracts have been terminated, the Company’s obligation to pay the contract adjustment payments, including any accrued and unpaid contract adjustment payments and deferred contract adjustment payments (including compounded contract adjustment payments thereon), will cease. In addition, holders of Corporate Units will receive quarterly cash distributions consisting of their pro rata share of interest payments on each series of RSNs (or distributions on the applicable ownership interest in the Treasury portfolio, as applicable), equivalent to the rate of 4.15% per year for the Series 2025B RSNs and 4.15% per year for the Series 2025C RSNs. There will be no interest payments in respect of the Treasury securities that are a component of the Treasury Units, but to the extent that such holders of Treasury Units continue to hold the RSNs that were delivered to them when they created the Treasury Units, such holders will continue to receive the scheduled interest payments on their separate RSNs for as long as they hold the RSNs, subject to any modifications made thereto pursuant to a successful remarketing.

The Company has the right to defer payment of quarterly contract adjustment payments as described under “Description of the Purchase Contracts—Contract Adjustment Payments”.

#### Listing
The Company intends to apply to list the Corporate Units on the New York Stock Exchange and expects trading to commence within 30 days of the initial issuance of the Corporate Units under the symbol “SOMN”. Except in connection with early settlement, fundamental change early settlement, a termination event or settlement on the purchase contract settlement date with separate cash, unless and until substitution has been made as described in “—Creating Treasury Units by Substituting a Treasury Security for the RSNs” or “—Recreating Corporate Units,” neither the RSN of either series or the applicable ownership interest in the Treasury portfolio component of a Corporate Unit nor the Treasury security component of a Treasury

<div align='center'>S-41</div>

Unit will trade separately from Corporate Units or Treasury Units. The RSNs or applicable ownership