Orange Belgium S.A.

Transaction in Own Shares • Jun 8, 2015

Press Release

Embargo until June 08 2015 at 7:30 a.m. Regulated information

Purchase of own shares in the context of the liquidity contract

Brussels, Monday, June 08, 2015 – In the framework of the liquidity contract, Mobistar (Euronext Brussels: MOBB) announces today that it has bought 51,442 own shares during the period 01/06/2015 up to 05/06/2015. For the same period, Mobistar has sold 28,942 own shares.

Acquisition date	Number of shares purchased	Average price (euros)	Highest price (euros)	Lowest price (euros)
June 01, 2015	25,832	16.681	16.740	16.625
June 02, 2015	668	16.707	16.765	16.650
June 03, 2015	12,000	16.991	17.035	16.895
June 04, 2015	0	0	0	0
June 05,2015	12,942	16.574	16.920	16.465

At June 05, 2015, Mobistar held 22,500 shares acquired in the framework of the liquidity contract. The summary of the acquisitions realized in the framework of the liquidity contract launched on August 1 st, 2014 is available on the corporate website http://corporate.mobistar.be/en under the section "Financial information / Shareholders & Investors / Liquidity Contract".

Mobistar (EURONEXT BRUSSELS: MOBB) is one of the main actors on the telecommunications market in Belgium and Luxembourg. The company offers its residential customers postpaid and prepaid innovative mobile telecom products and services. On the business market, Mobistar operates DSL fixed network telephony and high-speed Internet, acts as an integrated communications provider and offers a portfolio of mobility and connectivity services. Mobistar is also a wholesale provider, offering access to its infrastructure and service capabilities to its wholesale partners. Mobistar, with the Orange group as major shareholder, is listed on the Brussels Stock Exchange.

For further information, please contact: Investor relations: e-mail: ir@mail.mobistar.be Siddy Jobe: +32 (0)2 745 80 92

Press service: +32 (0)473 94 87 31 - http://corporate.mobistar.be/press Follow us on Twitter: @PressMobistar