Orange Belgium S.A.

Major Shareholding Notification • Mar 20, 2025

2) Issuer

1) Status of the notification

Final
	Name ORANGE BELGIUM
Identification number 0456-810-810

3) Reason for the notification

Acquisition or disposal of voting securities or voting rights	0	+
	0

4) Notification by

A parent undertaking or a controlling person

5) Persons subject to the notification requirement

Name	Address (for legal entities)
UBS Group AG	Bahnhofstrasse 45, 8001 Zürich	+

6) Persons that dispose of voting rights (only to be filled in if art. 7 of the Law applies)

Name	Address (for legal entities)

Please continue entering the information in part II concerning the persons referred to in Sections 5 and 6

Part II

7) Date on which the threshold is crossed

8) Threshold that is crossed (in %)

If the holding has fallen below the lowest threshold, you have the option of not entering any numbers in Section 10

3

9) Denominator

67,412,205

Please enter the denominator before filling in the data

10) Notified details

A) Voting rights	Previous notification	After the transaction
	# of voting rights	# of voting rights		% of voting rights
Holders of voting rights		Linked to securities	Not linked to the securities	Linked to securities	Not linked to the securities
UBS Group AG	0	0		0.00%
UBS AG	1,217,940	3,026,574		4.49%
UBS Switzerland AG	20,000	20,000		0.03%
Subtotal	1,237,940	3,046,574		4.52%
TOTAL		3,046,574	0	4.52%	0.00%

0

0

² +

^A +

Start with "groups" of holders. Add subtotals with Σ, and then finish with the persons who are "alone". For groups, start with the ultimate controlling natural person or legal entity. The totals, subtotals and % will be updated once you have clicked on .

B) Equivalent financial instruments	After the transaction
Holders of equivalent financial instruments	Type of financial instrument		Expiration date Exercise period or date	# of voting rights that may be acquired if the instrument is exercised	% of voting rights	Settlement
UBS AG	Right to Recall of Lent Shares		At any time	18	0.00%	physical	+
TOTAL				18	0.00%
The totals will be updated once you have clicked on
TOTAL (A & B)				# of voting rights % of voting rights
			CALCULATE	3,046,592	4.52%

11) Full chain of controlled undertakings through which the holding is effectively held, if applicable

Please see full chain of control attached.

12) In case of proxy voting for only one GM

Holder		will cease to hold / will hold again	0	voting rights as of	(DD/MM/YYYY)
13) Additional information
	Done at Zurich, Switzerland

	Done at Zurich, Switzerland
On		20/03/2025 (DD/MM/YYYY)
Name & capacity Sjoerd Sluimer	Authorized Officer Ewa Zajac Associate Director	Signature Signature

1. Information in relation to the person subject to the notification obligation – organizational chart UBS Group AG UBS AG

UBS Switzerland AG