Information Materials for Shareholders' Meeting

Public Joint Stock Company “ROSSETI South”

(OGRN (Primary state registration number) 1076164009096)

49/42 Bolshaya Sadovaya street, Rostov-on-Don, 344002, the Russian Federation

Message

about holding an annual general meeting of shareholders

of Public Joint Stock Company “ROSSETI South” by the results of 2025

Public Joint Stock Company “ROSSETI South” (hereinafter — ROSSETI South, PJSC, the Company) informs about the annual General Meeting of Shareholders of the Company to be held by the results of 2025 (hereinafter — the Meeting).

Decision-making method of the General Meeting of Shareholders of the Company: a meeting, where the voting is combined with absent voting.

The Meeting is held with the option of remote participation by persons entitled to vote in decisions of the General Meeting of Shareholders of ROSSETI South, PJSC.

Meeting date: June 10, 2026.

Meeting time (start time of the meeting): 11 AM Moscow time.

Start time for registration of persons participating in the meeting: 10 AM Moscow time.

In accordance with the decision of the Company's Board of Directors dated 05.05.2026 (Minutes dated 07.05.2026 No. 665/2026), based on paragraph 1 of Article 49.1 of Federal Law No. 208-FZ dated 26.12.1995 Concerning Joint-Stock Companies (hereinafter — the Law Concerning Joint-Stock Companies) and paragraph 11.3 of Article 11 of the Company's Charter, the Meeting is held WITHOUT SPECIFYING A VENUE AND WITHOUT THE OPTION TO ATTEND IN PERSON AT SUCH A VENUE.

Thus, on the date and at the time of the Meeting, any person entitled to vote at the General Meeting of Shareholders of the Company (or their representative) may participate in the Meeting only remotely; there will be no opportunity for physical attendance at the venue.

The procedure for remote participation in the Meeting, including methods for reliably identifying persons participating remotely, is determined by the REGULATIONS for holding the annual General Meeting of Shareholders of ROSSETI South, PJSC by the results of 2025 with the option of remote participation without specifying a venue or the possibility of physical attendance, approved by the decision of the Company's Board of Directors dated 05.05.2026 (Minutes dated 07.05.2026 No. 665/2026) (hereinafter — the Meeting Regulations), and by the rules established by the registrar of ROSSETI South, PJSC — JSC “Independent Registrar Company — R.O.S.T.” (hereinafter — the Registrar).

The Meeting Regulations are posted on the Company's website on the Internet (hereinafter — the Company’s website, the Internet) at https://rosseti-yug.ru/, together with the information (materials) to be provided to persons entitled to vote at the General Meeting of Shareholders of the Company.

PLEASE NOTE:

In order to ensure the ability to participate remotely in the Meeting, we recommend that you verify in advance that you have access to the electronic service "Shareholder’s personal account" at https://lk.rrost.ru (hereinafter — the Shareholder’s personal account, the Registrar’s website) and, if you do not have such access, take steps to obtain it before the date of the Meeting.

The categories (types) of shares whose holders have the right to vote on all items on the agenda include: ordinary uncertified shares, state issue registration number 1-01-34956-E, the state registration date of the issue 20.09.2007, International Securities Identification Number (ISIN) — RU000A0JPPG8, Classification of Financial Instruments code (CFI) — ESVXFR.

Deadline for submission of completed bulletins for absentee voting: June 7, 2026.

Postal addresses to which completed paper bulletins may be sent (one of the following):

49/42 Bolshaya Sadovaya street, Rostov-on-Don, 344002, ROSSETI South, PJSC;
Stromynka street 18, bldg. 5Б, room IX, 107076 (the room of JSC “Independent Registrar Company — R.O.S.T.” (the Registrar).

The voting bulletin (in paper form) is to be signed by the person entitled to vote at the Company's General Meeting of Shareholders, or by their representative, with a handwritten signature.

Because voting at the Meeting is combined with absentee voting, persons entitled to vote at the Company's General Meeting of Shareholders shall have the right to:

- participate in the Meeting remotely by registering to take part on the date of the Meeting (June 10, 2026) from 10 AM Moscow time[1] using electronic or other technical means in the manner prescribed by the Meeting Regulations and the rules established by the Registrar;

- participate in absentee voting:

1) by sending a completed paper bulletin to the postal address specified in this notice, which should be received by the Company no later than June 7, 2026;

2) by completing and submitting the electronic bulletin form using the Shareholder’s personal account — no later than June 7, 2026;

3) by giving voting instructions to the persons maintaining the record of their share rights, provided that notices of their voting intentions are received no later than June 7, 2026.

Technical conditions are provided to persons entitled to vote for completing and submitting electronic ballot forms in the Shareholder’s personal account.

Persons who have voted absentee may participate in the Meeting without the ability to vote at it.

Record date for persons entitled to vote at the Company’s General Meeting of Shareholders: May 16, 2026.

Agenda of the Meeting:

On approval of annual report of ROSSETI South, PJSC for 2025.
On approval of annual accounting (financial) statement of ROSSETI South, PJSC for 2025.
On distribution of profit, including payment (declaration) of dividends) and losses of ROSSETI South, PJSC by the results of 2025.
On electing members of the Board of Directors of ROSSETI South, PJSC.
On electing members of the Revision Committee of ROSSETI South, PJSC.
On appointing audit organization of ROSSETI South, PJSC.
On approving the new revision of the Regulations on Payment of Remuneration and Compensation to the Members of the Board of Directors of ROSSETI South, PJSC.

All items were included in the Meeting agenda at the initiative of the Company's Board of Directors.

The order of familiarization with information (materials) subject to be provided as part of preparation of the Meeting:

Persons entitled to vote at the Company's General Meeting of Shareholders may review the information (materials) provided in preparation for the Meeting from May 20, 2026 to June 9, 2026, excluding weekends and public holidays, from 9 AM to 4 PM Moscow time at the following addresses:

49/42 Bolshaya Sadovaya street, Rostov-on-Don (the room of ROSSETI South, PJSC):
Stromynka street 18, bldg. 5Б, room IX (the room of JSC “Independent Registrar Company — R.O.S.T.”, the registrar of ROSSETI South, PJSC)

The information (materials) specified are also posted on the Company’s website and in the Shareholder’s personal account.

Information provided for the annual General Meeting of Shareholders will be available on the website of ROSSETI South, PJSC and in a shareholder's personal account for the persons participating in the annual General Meeting of Shareholders during its conduct.

If a person registered in the Company’s register of shareholders is a nominal (custodian) holder of shares, the specified information (materials) shall be provided in accordance with the rules of the legislation of the Russian Federation on securities for the provision of information (materials) to persons exercising rights in respect of securities.

Procedure for updating of employees’ personal data

Should personal data of a shareholder of ROSSETI South, PJSC change, it is necessary to provide the registrar of the Company — JSC “Independent Registrar Company — R.O.S.T.” — with the corresponding information (including address details and bank account information) in the prescribed manner. Information about the registrar of ROSSETI South, PJSC and the procedure for shareholders to provide updated information can be found on the website of JSC “Independent Registrar Company — R.O.S.T.”, the registrar of ROSSETI South, PJSC at https://rrost.ru/.

During the preparation period for the Meeting, ROSSETI South, PJSC maintains a telephone line for communication with shareholders: +7 (863) 307-04-69; +7 (861) 212-26-72 (from 9 AM to 4 PM Moscow time).

Also, the Company has opened a dedicated e-mail address for communication with shareholders: ir@rosseti-yug.ru.

Board of Directors of ROSSETI South, PJSC

[1] In accordance with the Regulation of the Bank of Russia No. 660‑П dated 16.11.2018 Concerning General Meetings of Shareholders, registration to participate in the Meeting ends after the discussion of the last item on the agenda has been completed (the last agenda item for which a quorum is present) and before the start of the period provided for voting by persons who have not voted prior to that time.