Company: SOJE
Filing Date: 2025-03-31
Form Type: PRE 14A
Source: 0000092122-25-000032
Chunk: 118

Company: SOUTHERN CO
Filing Date: 2025-03-31
Form: PRE 14A
Chunk 118
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 electronic access, you will be responsible for your usual internet-related charges (e.g., online fees and telephone charges) in connection with electronic viewing and printing of the proxy statement and annual report. We will continue to distribute printed materials to stockholders who do not consent to access these materials electronically.

#### Q What is “householding?”
A Stockholders sharing a single address may receive only one copy of the proxy statement and annual report or the Notice, unless the transfer agent, broker, bank or other nominee has received contrary instructions from any owner at that address. This practice, known as householding, is designed to reduce printing and mailing costs. If a stockholder of record would like to either participate or cancel participation in householding, he or she may contact EQ Shareowner Services at 1-800-554-7626. If you own indirectly through a broker, bank or other nominee, please contact your financial institution.

Q Who is soliciting my proxy and who pays the expense of such solicitations?

A Your proxy is being solicited on behalf of the Board.

We pay the cost of soliciting proxies. We have retained Innisfree M&A Incorporated to assist with the solicitation of proxies for a fee of $25,000, plus additional fees for telephone and other solicitation of proxies or other services, if needed, and reimbursement of out-of-pocket expenses. Our officers or other employees may solicit proxies to have a larger representation at the meeting. None of these officers or other employees will receive any additional compensation for these services. Upon request, we will reimburse brokerage houses and other custodians, nominees and fiduciaries for their reasonable out-of-pocket expenses for forwarding solicitation material to the beneficial owners of the common stock.

#### Southern Company2025 Proxy Statement97
Reconciliation of Non-GAAP Information

In this proxy statement, we show EPS as calculated in accordance with GAAP and adjusted EPS which excludes certain items. Southern Company management uses this non-GAAP measure to evaluate the performance of Southern Company’s ongoing business activities and its annual performance on a basis consistent with the assumptions used in developing applicable performance targets and to compare certain results to prior periods. Southern Company believes this presentation is useful to investors by providing additional information for purposes of evaluating the performance of its business activities. This presentation is not meant to be considered a substitute for financial measures prepared in accordance with GAAP.

| (In millions, except earnings per share)                                           |     | Year Ended December 31, |       | 2024 |     |   |