Company: SOJE
Filing Date: 2025-03-31
Form Type: PRE 14A
Source: 0000092122-25-000032
Chunk: 126

Company: SOUTHERN CO
Filing Date: 2025-03-31
Form: PRE 14A
Chunk 126
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 at the election of the participant.

#### Incentive Plans
2021 Omnibus Plan . The Company’s stockholders approved the 2021 Omnibus Plan in 2021 to provide cash awards and equity-based compensation to employees of the Southern Company system, non-employee directors of the Company and its subsidiaries and certain other consultants or service providers.

PPP . The PPP is an annual cash incentive award program that provides the opportunity to receive an annual cash award based on the achievement of predetermined corporate, business unit and individual performance goals to substantially all employees. The PPP goals may include financial performance, such as EPS, net income, or other financial goals at the business unit or operating company, or operational performance, such as safety, operations, culture and other goals specific to each business unit or operating company. A threshold, target and maximum payout is set for each participant.

PPP payouts usually occur in March in the year following the applicable performance year. See page

# for additional information about the PPP, the goals applicable to the NEOs and the 2024 payouts. The PPP is a component program of the 2021 Omnibus Plan.
LTI Program . The use of shares of common stock as a component of our compensation program directly links compensation with long-term shareholder value creation and reward participants based on their continued service and/or performance. The following types of awards may be granted under the Omnibus Plan, as designated by the Compensation Committee: stock options, stock appreciation rights (SARs), restricted stock, RSUs, PSUs, PSUs and cash-based awards. The Company currently has outstanding awards of RSUs and PSUs, which are described below.

#### Southern Company2025 Proxy Statement103

#### Appendix B - Benefit Plan Summary
RSUs . RSUs provide an employee the opportunity to earn common stock, cash, or a combination thereof upon the achievement of predetermined performance- or time-based metrics. The Company’s current compensation programs include RSUs as part of the annual LTI awards to eligible employees.

PSUs . PSUs provide an employee the opportunity to earn common stock if predetermined performance metrics are met for a predetermined performance period. The Company’s current compensation programs include PSUs as part of the annual LTI awards to eligible employees.

#### Other Plans
Deferred Compensation Plan (DCP) . The DCP is an unfunded plan that permits participants to defer income as well as certain federal, state and local taxes until a specified date or their retirement, disability, death or other separation from service. Up to 50% of base salary