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Southern Company announces offerings of $650 million in aggregate principal amount of Convertible Senior Notes due December 15, 2027 and $1.5 billion in aggregate principal amount of Convertible Senior Notes due September 15, 2029

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Southern Company (NYSE: SO) announced private offerings of $650 million aggregate principal amount of Convertible Senior Notes due December 15, 2027 and $1.5 billion due September 15, 2029 to qualified institutional buyers under Rule 144A. Initial purchasers are expected to receive options to buy up to an additional $97.5 million of 2027 notes and $225 million of 2029 notes.

The notes will be senior, unsecured obligations, pay semiannual interest, and be convertible under specified conditions, with settlement in cash, common stock, or a combination at Southern Company’s election. According to Southern Company, net proceeds will be used to repurchase portions of its outstanding convertible notes, repay short-term debt, and for general corporate purposes.

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Positive

  • $2.15 billion initial convertible notes offerings with additional upsize options
  • Use of proceeds to repurchase portions of existing convertible notes and manage maturities
  • Planned repayment of outstanding short-term debt with remaining net proceeds
  • Flexible settlement on conversion in cash, stock, or a combination at company’s election

Negative

  • Potential dilution from conversion of up to $2.15 billion of new convertible notes
  • Total debt load may increase before any repayment of existing notes and short-term borrowings
  • Repurchases of existing convertible notes are uncertain in amount and terms

News Explained

The offering is still unpriced; debt issuance and any ownership dilution remain contingent on pricing, issuance, and later conversion.

The release places Southern Company at the announced, pre-pricing stage: no conversion price, interest rate, or share-delivery amount has been set.

If issued, the notes would add senior unsecured obligations; if later converted into shares, those shares would reduce existing holders’ percentage ownership, but no common shares are disclosed as issued now.

The company intends to use part of the proceeds to repurchase existing convertible notes, but those repurchases remain individually negotiated and may not occur; the release gives no committed amount or terms.

Pricing is the named milestone for conversion prices and interest rates, while the repurchase line item will be resolved by whether transactions occur and on what terms.

Market Context

Historical offering event 927528 recorded a -0.95% 24-hour reaction, providing a direct financing co...
Analysis

Historical offering event 927528 recorded a -0.95% 24-hour reaction, providing a direct financing comparison. The platform also reports Net Selling insider activity and low short positioning; pricing, repurchases, and settlement terms are the principal watch items.

Key Figures

2027 Convertible Notes: $650 million 2029 Convertible Notes: $1.5 billion 2027 note option: $97.5 million +4 more
7 metrics
2027 Convertible Notes $650 million Aggregate principal amount due December 15, 2027
2029 Convertible Notes $1.5 billion Aggregate principal amount due September 15, 2029
2027 note option $97.5 million Additional aggregate principal amount available to initial purchasers
2029 note option $225 million Additional aggregate principal amount available to initial purchasers
Option settlement period 13 days Period from and including the first issuance date
2027 maturity December 15, 2027 Maturity date for the 2027 Convertible Notes
2029 maturity September 15, 2029 Maturity date for the 2029 Convertible Notes

Previous Offering Reports

1 past event · Latest: Nov 03 (Negative)
Same Type Pattern 1 events
Date Event Sentiment 24h Move Catalyst
Nov 03 Equity units offering Negative -0.9% Equity units offering funded convertible-note repurchases and debt repayment; shares declined 0.95%.

24h Move is the share-price change in the day after each event; other market factors may also have contributed.

Pattern Detected

The tag-specific historical offering event was followed by a -0.95% 24-hour reaction.

Key Terms

convertible senior notes, private placements, rule 144a, senior, unsecured obligations, +1 more
5 terms
convertible senior notes financial
"its convertible senior notes due December 15, 2027"
Convertible senior notes are a type of loan that a company issues to investors, which can be turned into company shares later on. They are called "senior" because they are paid back before other debts if the company runs into trouble. This allows investors to earn interest like a loan but also have the chance to own part of the company if its value rises.
private placements financial
"in private placements to persons reasonably believed to be qualified"
Private placements are sales of a company’s securities—such as shares or bonds—directly to a small group of selected investors rather than to the general public. Think of it like a private sale to a few buyers who negotiate terms, and it matters to investors because it changes a company’s cash position, can dilute existing ownership, alter control or voting power, and may affect share liquidity and market value when those securities eventually reach public markets.
rule 144a regulatory
"pursuant to Rule 144A under the Securities Act of 1933"
Rule 144A is a regulation that makes it easier for companies to sell private bonds to large investors without going through all the usual rules that apply to public sales. It matters because it helps companies raise money more quickly and privately, often attracting big investors looking for special deals.
senior, unsecured obligations financial
"The Convertible Notes will be senior, unsecured obligations"
Senior, unsecured obligations are loans or bonds that a company promises to repay before lower-ranked (subordinated) creditors but without specific collateral backing them. They matter to investors because they combine relatively higher priority in a company’s payment order with greater risk than secured debt, so they typically offer higher yields and influence how much money investors could recover if the company runs into financial trouble.
convertible arbitrage strategy technical
"many holders of the Existing Convertible Notes employ a convertible arbitrage strategy"
A convertible arbitrage strategy is a market‑neutral trading approach that buys convertible securities (bonds or preferred shares that can be turned into stock) while hedging equity exposure, typically by shorting the issuer’s common shares. It aims to profit from pricing differences between the convertible and the underlying stock, plus interest and volatility effects, so it matters to investors because it changes a portfolio’s risk profile, liquidity needs, and sensitivity to credit and market volatility.

AI-generated analysis. How Rhea-AI works. Not financial advice.

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ATLANTA, Aug. 3, 2026 /PRNewswire/ -- Southern Company (NYSE: SO) today announced offerings of $650 million in aggregate principal amount of its convertible senior notes due December 15, 2027 (the "2027 Convertible Notes") and $1.5 billion in aggregate principal amount of its convertible senior notes due September 15, 2029 (the "2029 Convertible Notes" and, together with the 2027 Convertible Notes, the "Convertible Notes") in private placements to persons reasonably believed to be qualified institutional buyers pursuant to Rule 144A under the Securities Act of 1933, as amended (the "Securities Act"). In addition, Southern Company expects to grant the initial purchasers of the Convertible Notes options to purchase, for settlement within a period of 13 days from, and including, the date the Convertible Notes are first issued, up to an additional $97.5 million in aggregate principal amount of the 2027 Convertible Notes and up to an additional $225 million in aggregate principal amount of the 2029 Convertible Notes.

Southern Company

Final terms of each series of Convertible Notes, including the initial conversion price, interest rate and certain other terms of the Convertible Notes, will be determined at the time of pricing. The Convertible Notes will be senior, unsecured obligations of Southern Company. Interest on the Convertible Notes will be paid semiannually. The Convertible Notes will mature on December 15, 2027 (in the case of the 2027 Convertible Notes) and September 15, 2029 (in the case of the 2029 Convertible Notes), unless earlier repurchased or converted in accordance with their terms.

Prior to September 15, 2027 (in the case of the 2027 Convertible Notes) or June 15, 2029 (in the case of the 2029 Convertible Notes), the Convertible Notes will be convertible only upon the occurrence of certain events and during certain periods. From and after September 15, 2027 (in the case of the 2027 Convertible Notes) or June 15, 2029 (in the case of the 2029 Convertible Notes), the Convertible Notes will be convertible at any time until the close of business on the second scheduled trading day immediately preceding the maturity date of the applicable series of the Convertible Notes. Upon conversion, Southern Company will pay cash up to the aggregate principal amount of the Convertible Notes of the applicable series to be converted and pay or deliver, as the case may be, cash, shares of Southern Company's common stock, or a combination of cash and shares of common stock, at Southern Company's election, in respect of the remainder, if any, of Southern Company's conversion obligation in excess of the aggregate principal amount of the Convertible Notes of the applicable series being converted.

Southern Company intends to use a portion of the net proceeds from these offerings to repurchase a portion of its Series 2024A 4.50% Convertible Senior Notes due June 15, 2027 (the "Series 2024A Convertible Notes") and its Series 2025A 3.25% Convertible Senior Notes due June 15, 2028 (together with the Series 2024A Convertible Notes, the "Existing Convertible Notes"), in each case through individually negotiated transactions with a limited number of holders thereof (each, a "note repurchase transaction"), effected through one of the initial purchasers of the Convertible Notes or its affiliate. Southern Company intends to use any remaining net proceeds to repay all or a portion of its outstanding short-term debt and for other general corporate purposes, which may include investment in its subsidiaries.

Contemporaneously with the pricing of the Convertible Notes, Southern Company expects to enter into one or more separate and privately negotiated transactions with a limited number of holders of the Existing Convertible Notes to use a portion of the proceeds of the offerings to repurchase a portion of the Existing Convertible Notes on terms to be negotiated with each such holder. The terms of each note repurchase transaction are anticipated to be individually negotiated with each such holder of the Existing Convertible Notes and will depend on several factors, including the market price of Southern Company's common stock and the trading price of the applicable Existing Convertible Notes at the time of each such note repurchase transaction. Southern Company may also repurchase outstanding Existing Convertible Notes following the completion of the offerings of the Convertible Notes. No assurance can be given as to how much, if any, of the Existing Convertible Notes will be repurchased or the terms on which they will be repurchased. 

Southern Company expects that holders of the Existing Convertible Notes that sell their Existing Convertible Notes to Southern Company in any note repurchase transaction may enter into or unwind various derivatives with respect to Southern Company's common stock and/or purchase or sell shares of Southern Company's common stock in the market to hedge their exposure in connection with these transactions. In particular, Southern Company expects that many holders of the Existing Convertible Notes employ a convertible arbitrage strategy with respect to the Existing Convertible Notes and have a short position with respect to Southern Company's common stock that they would close, through purchases of Southern Company's common stock and/or the entry into or unwind of economically equivalent derivatives transactions with respect to Southern Company's common stock, in connection with Southern Company's repurchase of their Existing Convertible Notes for cash. This activity could increase (or reduce the size of any decrease in) the market price of Southern Company's common stock or the Convertible Notes at that time and could result in higher effective conversion prices for the Convertible Notes.

This press release shall not constitute an offer to sell or a solicitation of an offer to buy, nor shall there be any sale of these securities in any jurisdiction in which such an offer, solicitation or sale would be unlawful. The offer and sale of the Convertible Notes and the shares of common stock issuable upon conversion of the Convertible Notes, if any, have not been, and will not be, registered under the Securities Act or the securities laws of any other jurisdiction, and the Convertible Notes and such shares of common stock may not be offered or sold without registration or an applicable exemption from registration requirements.

About Southern Company

Southern Company (NYSE: SO) is a leading energy provider serving 9 million customers across the Southeast and beyond through its family of companies. The company has electric operating companies in three states, natural gas distribution companies in four states, a competitive generation company, a leading distributed energy distribution company with national capabilities, a fiber optics network and telecommunications services.

Cautionary Notice Regarding Forward-Looking Statements

Certain information contained in this release is forward-looking information based on current expectations and plans that involve risks and uncertainties. Forward-looking information includes, among other things, statements concerning the planned offerings of the Convertible Notes, the expected use of proceeds from the offerings and the note repurchase transactions. Southern Company cautions that there are certain factors that can cause actual results to differ materially from the forward-looking information that has been provided. The reader is cautioned not to put undue reliance on this forward-looking information, which is not a guarantee of future performance and is subject to a number of uncertainties and other factors, many of which are outside the control of Southern Company; accordingly, there can be no assurance that such suggested results will be realized. The following factors, in addition to those discussed in Southern Company's Annual Report on Form 10-K for the year ended December 31, 2025, Quarterly Reports on Form 10-Q for the quarters ended March 31, 2026 and June 30, 2026 and subsequent securities filings, could cause actual results to differ materially from management expectations as suggested by such forward-looking information: global and U.S. economic conditions, including impacts from geopolitical conflicts, recession, inflation, changes in trade policies (including tariffs and other trade measures) of the United States and other countries, interest rate fluctuations and financial market conditions, and the results of financing efforts; access to capital markets and other financing sources; changes in Southern Company's credit ratings; and catastrophic events such as fires, including wildfires, land movement, earthquakes, explosions, floods, high winds, tornadoes, hurricanes and other storms, solar flares, droughts, future epidemic or pandemic health events, wars, political unrest or other similar occurrences. Southern Company expressly disclaims any obligation to update any forwardlooking information.

 

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SOURCE Southern Company

FAQ

What did Southern Company (SO) announce about new convertible senior notes on August 3, 2026?

Southern Company announced offerings of $650 million 2027 Convertible Senior Notes and $1.5 billion 2029 Convertible Senior Notes in private placements. According to Southern Company, the notes are senior, unsecured obligations and will be sold to qualified institutional buyers under Rule 144A.

What are the maturities of Southern Company’s new convertible notes (SO) issued in 2026?

The new Southern Company convertible notes mature on December 15, 2027 and September 15, 2029. According to Southern Company, the 2027 Convertible Notes and 2029 Convertible Notes pay semiannual interest and are senior, unsecured obligations, unless earlier converted or repurchased.

How does Southern Company plan to use the proceeds from the 2027 and 2029 Convertible Notes offerings (SO)?

Southern Company plans to use a portion of proceeds to repurchase existing convertible notes and the remainder to repay short-term debt and for general corporate purposes. According to Southern Company, repurchases will be through privately negotiated transactions with certain existing noteholders.

What options do holders have for converting Southern Company’s new convertible notes (SO)?

Holders can convert only upon specified events before certain dates, then at any time until shortly before maturity. According to Southern Company, upon conversion it will pay principal in cash and may settle any excess obligation in cash, common stock, or both.

Will Southern Company repurchase its existing convertible notes with these new offerings (SO)?

Southern Company expects to use part of the proceeds to repurchase portions of its Series 2024A and Series 2025A convertible notes. According to Southern Company, amounts and terms will be individually negotiated, and there is no assurance how much will be repurchased.

Could Southern Company’s new convertible notes (SO) affect its common stock price?

Southern Company notes that hedging and arbitrage activity by holders of existing convertible notes could impact its stock price. According to Southern Company, purchases of common stock and related derivatives unwinds may increase, or reduce any decrease in, the market price.

Are Southern Company’s 2027 and 2029 Convertible Senior Notes (SO) registered under the Securities Act?

No, the new convertible notes and any shares issuable upon conversion are not registered under the Securities Act. According to Southern Company, they may only be offered or sold pursuant to an applicable exemption from registration or in a transaction not subject to registration requirements.