O'KEY GROUP S.A.

société anonyme

Registered office: 6, rue Jean Monnet,

L - 2180 LUXEMBOURG

R.C.S. Luxembourg: B 80.533

(the "Company")

GENERAL MEETING OF THE SHAREHOLDERS

OF THE COMPANY

TO BE HELD ON WEDNESDAY JUNE 24, 2020 AT 6, RUE JEAN MONNET, L-2180 LUXEMBOURG, GRAND DUCHY OF LUXEMBOURG

AT 11:00 A.M. CET

CONVENING NOTICE

Dear Shareholder,

You are hereby invited to the general meeting of shareholders of the Company (the "General Meeting") which is scheduled to take place on Wednesday June 24, 2020 at 11.00 a.m. Central European Time at 6, Rue Jean Monnet, L-2180 Luxembourg, Grand Duchy of Luxembourg, in order to deliberate on the following matters:

Agenda of the General Meeting

1.   Reappointment of Mr. Dmitrii TROITSKII as Director of the Company, with effect as of 24 April 2020 and for a term ending at an annual general meeting of shareholders of the Company to be held in 2025;

2.   Reappointment of Mr. Dmitry KORZHEV as Director of the Company, with effect as of 24 April 2020 and for a term ending at an annual general meeting of shareholders of the Company to be held in 2025;

3.   Reappointment of Mr. Heigo KERA as Director of the Company, with effect as of 24 April 2020 and for a term ending at an annual general meeting of shareholders of the Company to be held in 2025;

4.   Reappointment of Mr. Mykola BUINYCKYI as Director of the Company, with effect as of 24 April 2020 and for a term ending at an annual general meeting of shareholders of the Company to be held in 2025; and

5.   Reappointment of Mr. Boris VOLCHEK as Caraden Director of the Company, with effect as of 24 April 2020 and for a term ending at an annual general meeting of shareholders of the Company to be held in 2025.

Any member attending the meeting has the right to ask questions. The Company must cause to be answered any such question relating to the business being dealt with at the meeting but no such answer need be given if (a) to do so would interfere unduly with the preparation for the meeting or involve the disclosure of confidential information, (b) the answer has already been given on a website in the form of an answer to a question, or (c) it is undesirable in the interests of the Company or the good order of the meeting that the question be answered.

A copy of the documentation related to the General Meeting is available at the registered office of the Company.

The documents required by Article 461-6 of the Luxembourg law of August 10, 1915 on commercial companies, as amended, will be available from the date of this convening notice at the registered office of the Company.

To be entitled to attend and vote at the meeting (and for the purpose of the determination by the Company of the votes they may cast), shareholders must be registered in the register of shareholders of the Company at their registered office by 11 a.m. CET on June 18, 2020.

Changes to the register of shareholders of the Company after the relevant deadline shall be disregarded in determining the rights of any person to attend and vote at the meeting.

In case you are not able to attend, you may appoint a proxy to exercise all or any of your rights to attend, speak and vote at the meeting. A proxy form is enclosed to this convening notice. In case you did not receive the aforementioned proxy or the enclosures referred to above, you may request these again directly from the Company.

The proxy should be returned to the Company before 11 a.m. CET on June 22, 2020 at the latest, by e-mail as a PDF (at corpcom@okeygroup.lu or marina.shagulina@okeygroup.lu ) or fax at +352-24-527-084 with the original to follow by mail (at the registered office of the Company).

Yours sincerely,

Luxembourg, May 18, 2020

For the Board of Directors

Heigo KERA (Director)