Cenergy Holdings S.A.

AGM Information • Apr 16, 2025

CENERGY HOLDINGS SA 30 Avenue Marnix, 1000 Brussels, Belgium 0649.991.654 RLE (Brussels)

CONFIRMATION OF PARTICIPATION

Annual ordinary shareholders' meeting of Cenergy Holdings SA (the Company) of Tuesday, 27 May 2025 at 10.00 a.m. (CET) at the registered offices of the Company, 30 Avenue Marnix, 1000 Brussels, Belgium (the Meeting).

This signed form must be returned by Wednesday, 21 May 2025 at 5.00 pm (CET) at the latest to:

(1) by mail

Cenergy Holdings SA Catherine Massion 30 Avenue Marnix 1000 Brussels (Belgium)

OR

(2) by electronic mail A copy of the signed original form must be sent to: administration@cenergyholdings.com.

The form can be sent by e-mail provided that it is signed by means of an electronic signature within the meaning of article 3.10 of EU Regulation 910/2014 or a qualified electronic signature within the meaning of article 3.12 of such regulation.

The undersigned (name and first name / name of the company)

…………………………………………………………………………………………………………………

Domicile / Registered office

………………………………………………………………………………………………………………… …………………………………………………………………………………………………………………

confirms his/her intention to participate in the Annual Ordinary Shareholders' Meeting of the Company that will be held on Tuesday, 27 May 2025 at 10.00 am (CET) at the registered offices, 30 Avenue Marnix, 1000 Brussels, Belgium with all above-mentioned shares.

Done at …………………………………………., on …………………….

Signature(s): ……………………………………….(**)

(*) Cross out what is not applicable.

(**) Legal entities must specify the name, first name and title of the natural person(s) who sign on their behalf.