Exhibit 10(a)25

SEVENTH AMENDMENT TO THE SOUTHERN COMPANY

SUPPLEMENTAL BENEFIT PLAN

WHEREAS, Southern Company Services, Inc. heretofore established and adopted the Southern Company Supplemental Benefit Plan, as amended and restated effective June 30, 2016 (the “Plan”);

WHEREAS, under Section 6.2 of the Plan, the Benefits Administration Committee (“Administrative Committee”) may amend the Plan, provided the amendment either (a) does not involve a substantial increase in cost to any Employing Company (as defined in the Plan), or (b) is necessary, proper, or desirable in order to comply with applicable laws or regulations enacted or promulgated by any federal or state governmental authority; and

WHEREAS, the Administrative Committee by the Resolution on November 18, 2020 has determined it is appropriate to amend the Plan to provide for cessation of participation for employees of Pivotal LNG, Inc. who are no longer Employees due to the divestiture that occurred on March 24, 2020, and to provide for full vesting for the benefits of such employees.

NOW, THEREFORE, effective as specified herein, the Plan is hereby amended as follows:

1.

The Plan is hereby amended by adding a new paragraph (f) to Section 4.3, as follows:

(f)    Pivotal LNG.

(1)    Cessation of Participation. Effective as of March 24, 2020, (i) Pivotal LNG, Inc. and its direct and indirect subsidiaries will cease to be affiliated companies of Southern Company Gas for purposes of determining Employing Company status under the Plan; and (ii) Participants who cease to be Employees due to the sale of Pivotal LNG, Inc. will cease to be eligible to participate in the Plan.

(2)    Vesting Acceleration. Effective as of March 24, 2020, Participants who cease to be Employees due to the sale of Pivotal LNG, Inc. will be deemed to be fully vested in their benefits and Accounts for all purposes hereunder.

2.

Except as amended herein by this Seventh Amendment, the Plan shall remain in full force and effect.

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IN WITNESS WHEREOF, the Administrative Committee, through its authorized representative, has adopted this Seventh Amendment to the Southern Company Supplemental Benefit Plan, as amended and restated as of June 30, 2016, this 6th day of December, 2020.

BENEFITS ADMINISTRATION COMMITTEE
By:	/S/James M. Garvie
Name:	James M. Garvie
Its:	Chairperson

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