Viohalco S.A.

AGM Information • Apr 24, 2025

VIOHALCO SA 30 Avenue Marnix, 1000 Brussels, Belgium 0534.941.439 RLE (Brussels)

CONFIRMATION OF PARTICIPATION

Annual Ordinary Shareholders' Meeting of Viohalco SA (the Company) of Tuesday, 27 May 2025 at 12.00 pm (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

Viohalco SA Catherine Massion, deputy manager 30 Avenue Marnix 1000 Brussels (Belgium)

OR

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

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

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

Owner of dematerialised shares (*) registered shares (*)

of Viohalco SA

number

confirms his/her intention to participate to the Annual Ordinary Shareholders' Meeting of the Company that will be held on Tuesday, 27 May 2025 at 12.00 pm (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.