Transparency Declaration

Brussels, 25 October 2011 – Mobistar hereby discloses information in accordance with Article 14 of the Law of 2 May 2007 and the related Royal Decree of 14 February 2008:

On 20 October 2011, Mobistar received a transparency declaration from BlackRock Inc., stating that, as of 14 October 2011, BlackRock Inc. holds 1,708,196 shares (previous declaration: 1,874,173 shares), representing 2.85 % of the total share capital of the Company (previous declaration: 3.12 %).

An increase above (or decrease below) the following thresholds requires a declaration to Mobistar and the Financial Services and Markets Authority (FSMA):

1. 3 % statutory threshold, as set out by the articles of association of the Company;
2. 5 % or each multiple of 5 %, as set out by the Belgian law.

The complete text of this transparency declaration is also available on the « Shareholders & Investors » section of our website www.mobistar.be.