Proximus SA

Transaction in Own Shares • Nov 24, 2025

Press Release

Brussels, 24 November 2025, 18:00 local time Regulated information

Repurchase of shares in the context of the liquidity contract

In the framework of the liquidity contract (see press release dated Mar. 1st, 2016), Proximus announces today that Kepler-Cheuvreux on behalf of Proximus has bought 137,922 own shares during the period between 17 November 2025 and 21 November 2025 on Euronext Brussels.

During the same period, Kepler-Cheuvreux on behalf of Proximus has sold 209,000 own shares and consequently this results in a net reduction of 71,078 own shares.

Purchase operations details per day

Date	Number of shares	Average price (€)	Highest price (€)	Lowest price (€)	Amount (€)
17-Nov-25	34.099	6,82	6,87	6,77	232.555
18-Nov-25	38.937	6,79	6,82	6,72	264.382
19-Nov-25	29.886	6,75	6,79	6,70	201.731
20-Nov-25	23.080	6,80	6,82	6,76	156.944
21-Nov-25	11.920	6,82	6,85	6,77	81.294
Total	137.922	6,79	6,87	6,70	936.906

Sell operations details per day

Date	Number of shares	Average price (€)	Highest price (€)	Lowest price (€)	Amount (€)
17-Nov-25	44.789	6,83	6,89	6,78	305.909
18-Nov-25	42.000	6,79	6,83	6,73	285.180
19-Nov-25	42.000	6,77	6,80	6,73	284.340
20-Nov-25	41.211	6,81	6,85	6,78	280.647
21-Nov-25	39.000	6,86	6,93	6,79	267.540
Total	209.000	6,81	6,93	6,73	1.423.616

The summary of the transactions realized in the framework of the liquidity contract launched on March 1st, 2016 is available on the corporate website.

Currently, Proximus owns 15,057,822 own shares or 4.455% of the total shares outstanding.

More info

• https://www.proximus.com/en/investors
• Press Relations : Haroun Fenaux, telephone +32 476 60 03 33, email press@proximus.com
• Investor Relations : Nancy Goossens, telephone +32 2.202 82 41, email investor.relations@proximus.com
• About the Proximus Group