Orange Belgium S.A.

Pre-Annual General Meeting Information • Aug 29, 2025

ORANGE BELGIUM PUBLIC LIMITED LIABILITY COMPANY AVENUE DU BOURGET 3 / BOURGETLAAN 3 1140 BRUSSELS

VAT BE 0456.810.810 RLE BRUSSELS

DETAILED INFORMATION CONCERNING THE RIGHTS OF SHAREHOLDERS IN ACCORDANCE WITH ARTICLES 7:130 AND 7:139 OF THE BELGIAN CODE OF COMPANIES AND ASSOCIATIONS GENERAL MEETING OF 1 OCTOBER 2025

I- Right of shareholders to put items on the agenda of the general meeting and/or to table draft resolutions for items included or to be included on the agenda.

One or more shareholders collectively owning at least 3% of the share capital of the company have the right (i) to put items on the agenda of the extraordinary general meeting which will take place on 1 October 2025 at 10 a.m. at the registered office of the company and/or (ii) to table draft resolutions for items included or to be included in the agenda.

Any shareholder or shareholders who exercise(s) this right must comply with the following two conditions for their question to be eligible for consideration at the general meeting:

• (i) they must prove that they hold the above mentioned percentage on the date of their request (either by producing a certificate of registration of those shares in the share register of the company, or by producing a certificate from a recognized account holder or by a central securities depositary evidencing that the relevant number of dematerialised shares are registered in the shareholder's name on an account held by the recognized account holder or by the central securities depositary); and
• (ii) they must demonstrate that they still qualify as a shareholder or shareholders holding 3% of the share capital on the record date (Wednesday 17 September 2025 at 12 p.m.).

This right can be exercised by delivering the text of the new agenda items and the related draft resolutions and/or of the proposed draft resolutions regarding the agenda items to the company by e-mail (anske.deporre@orange.com) or by postal

UNOFFICIAL TRANSLATION

services (at the registered office of the company – to the attention of Ms. Anske De Porre). Any requests to this end must reach the company at the latest on Tuesday 9 September 2025 at 4 p.m. The company will confirm receipt of these requests by email or postal services at the address provided by the shareholder.

If the agenda is modified, the revised agenda will be published at the latest on Tuesday 16 September 2025 (on the website of the company at the following address: http://corporate.orange.be/en/, in the Belgian Official Journal and in the press).

An Ad hoc form for voting by proxy or by correspondence completed with the additional agenda items and/or draft resolutions will be made available on the company's website at the following address:http://corporate.orange.be/en/ at the same time as the publication of the revised agenda, i.e. at the latest on Tuesday 16 September 2025.

The proxies notified to the company before the publication of the revised agenda remain valid for the agenda items they cover. As an exception to this rule, the proxy holder can, for the agenda items for which in accordance with article 7:130 of the Belgian Code on Companies and Associations new draft resolutions have been tabled, deviate during the meeting from the instructions of the shareholder, if carrying out the instructions could prejudice the interests of the shareholder. The proxy holder must inform the shareholder thereof. The proxy must state whether the proxy holder is entitled to vote on the newly-added agenda items, or if he/she should abstain.

Similarly, the forms for voting by correspondence which the company may have received before the publication of the revised agenda remain valid for the agenda items they cover. As an exception to this rule, any vote on an agenda item for which in accordance with article 7:130 of the Belgian Code on Companies and Associations a new draft resolution has been tabled is disregarded.

II- Right of the shareholders to ask questions in writing

The shareholders have the right to ask questions in writing to the directors and/or the statutory auditor of the company before the extraordinary general meeting of Wednesday 1 October 2025.

The exercising of this right is subject to the following two conditions:

• qualifying as a shareholder on the record date (i.e. Wednesday 17 September 2025 at 12 p.m.); and
• having informed the company of the intent to participate in the general meeting in accordance with the stipulations set out in the convocation notice.

UNOFFICIAL TRANSLATION

These questions can be submitted prior to the general meeting by e-mail (anske.deporre@orange.be) or by postal services (sent to the registered office of the company – to the attention of Ms. Anske De Porre). These questions must reach the company at the latest on Thursday 25 September 2025 at 4 p.m.

During the general meeting, the directors will answer the questions which have been raised by the shareholders in writing (or orally during the meeting) concerning their report or the agenda items provided that the communication of data or facts is not of such a nature that it would be detrimental to the interests of the company or in breach of the confidentiality undertakings contracted by the company or its directors.

The auditor will answer the questions which have been raised by the shareholders in writing (or orally during the meeting) concerning his report provided that the communication of data or facts is not of such a nature that it would be detrimental to the company or in breach of the auditor's professional secrecy rules, or of the confidentiality undertakings contracted by the company. He has the right to address the general meeting in connection with the performance of his task.

If different questions relate to the same subject matter, the directors and/or auditor may provide one overall answer.

* *

*