D'Ieteren Group — Proxy Solicitation & Information Statement 2026

Apr 28, 2026

1805

D'leterenGroup

ORDINARY & EXTRAORDINARY GENERAL MEETINGS

D'leteren Group SA
Registered office: 50 Rue du Mail, 1050 Bruxelles
Business number: 0405.448.140 – RPM Bruxelles
(the "Company")

VOTE BY CORRESPONDENCE

The undersigned

First name ...
Family name ...
Address ...

or

Corporate name ...
Legal form ...
Registered office ...
hereby represented by ...
(family name, first name, title of the proxy holder) whom declares and certifies to the Company to have the necessary power of attorney to sign this form on behalf of the undersigned

owner on the record date of Thursday 14 May 2026 at midnight (Belgian time), of
... registered/dematerialised¹ shares of the Company held with
... (name of the financial institution), and with which he/she hereby
declares to vote,

votes as indicated below with respect to the items on the agendas of the Ordinary and Extraordinary
General Meetings of the Company which will take place on Thursday 28 May 2026 at 5 pm at the
Company’s registered office.

¹Delete where applicable

D'leteren Group SA/NV Rue du Mail 50 Maliestraat Bruxelles 1050 Brussel Belgique - België
TVA/BTW BE 0403.448.140 RPM/RPR Bruxelles/Brussel

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1805

D'leterenGroup

ORDINARY & EXTRAORDINARY GENERAL MEETINGS

ORDINARY GENERAL MEETING(*)

| Point 1
[This item does not require a vote] | Point 2
(Approval annual financial statements)
☐ vote in favour
☐ vote against
☐ abstain | Point 3
(Remuneration report)
☐ vote in favour
☐ vote against
☐ abstain | Point 4
(Remuneration policy)
☐ vote in favour
☐ vote against
☐ abstain |
| --- | --- | --- | --- |
| Point 5
(Remuneration Vice-Chairman)
☐ vote in favour
☐ vote against
☐ abstain | Point 6
(Discharge Directors)
☐ vote in favour
☐ vote against
☐ abstain | Point 6
(Discharge Statutory Auditor)
☐ vote in favour
☐ vote against
☐ abstain | Point 7
(Renewal Diligencia Consult)
☐ vote in favour
☐ vote against
☐ abstain |
| Point 8
(Renewal Statutory Auditor)
☐ vote in favour
☐ vote against
☐ abstain | Point 9
(Proxy formalities)
☐ vote in favour
☐ vote against
☐ abstain | | |

(*) Please indicate your vote by ticking the appropriate box

EXTRAORDINARY GENERAL MEETING(**)

| Point 1
(Authorizations Board) | Point 2
(Coordination articles of association) | Point 3
(Proxy formalities) | |
| --- | --- | --- | --- |
| ☐ vote in favour
☐ vote against
☐ abstain | ☐ vote in favour
☐ vote against
☐ abstain | ☐ vote in favour
☐ vote against
☐ abstain | |

(**) Please indicate your vote by ticking the appropriate box

The present form of vote by correspondence, duly completed and signed by the shareholder, must be addressed to Euroclear Belgium, Issuer Services, either by mail at 1 Bd du Roi Albert II, 1210 Bruxelles (Belgium) or by e-mail, at the following e-mail address ebe.issuer@euroclear.com by Friday 22 May 2026, at 4 pm (Belgian time) at the latest.

In addition, the owners of dematerialized shares must send to Euroclear Belgium, at the same addresses mentioned above and within the same timeframe, a confirmation from their certified account holder or clearing institution, attesting the number of above mentioned dematerialised shares held in their

D'leteren Group SA/NV Rue du Mail 50 Maliestraat Bruxelles 1050 Brussel Belgique - België

TVA/BTW BE 0403.448.140 RPM/RPR Bruxelles/Brussel

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D'leterenGroup

ORDINARY & EXTRAORDINARY GENERAL MEETINGS

books on behalf of the shareholder at the registration date for which the shareholder has expressed its intention to participate to the General Meetings.

If, in compliance with article 7:150 of the Code of Companies and Associations, new items and/or proposed resolutions are added to the agendas after the date of this form of vote by correspondence and an amended agenda is published on 15 May 2026 at the latest, the Company shall provide the shareholders with a new form of vote by correspondence supplemented by any new item and/or resolution, enabling the shareholders to give specific voting instructions on those items. In the event new items and/or resolutions are added to the agendas of the General Meetings, and if this form has reached Euroclear Belgium (at the addresses indicated above) prior to the publication of the completed agenda, this form remains valid for the unchanged agenda items mentioned above. However, the vote expressed in this form on a modified agenda item will be null and void.

This vote by correspondence is irrevocable. It remains valid for any subsequent General Meeting which would be convened with the same agenda.

The Company reserves the right to refuse documents which are not filled in properly or which are not complete.

The information requested constitutes "personal data" concerning the shareholders and will be processed by the Company, acting as data controller. The Company will process the personal data in compliance with its 'Information regarding personal data and how it is processed' available on its website (https://www.dieterengroup.com).

Made in ..., on ... 2026.

Family name:

First name:

Signature:

Encl.: Agendas of the Ordinary and Extraordinary General Meetings of 28 May 2026

D'leteren Group SA/NV Rue du Mail 50 Maliestraat Bruxelles 1050 Brussel Belgique - België TVA/BTW BE 0403.448.140 RPM/RPR Bruxelles/Brussel