Orange Belgium S.A.

Transaction in Own Shares • Jun 29, 2015

Press Release

Embargo until June 29 2015 at 7:30 a.m. Regulated information

Purchase of own shares in the context of the liquidity contract

Brussels, Monday, June 29, 2015 – In the framework of the liquidity contract, Mobistar (Euronext Brussels: MOBB) announces today that it has bought 875 own shares during the period 22/06/2015 up to 26/06/2015. For the same period, Mobistar has sold 875 own shares.

Acquisition date	Number of shares purchased	Average price (euros)	Highest price (euros)	Lowest price (euros)
June 22, 2015	500	16.520	16.520	16.520
June 23, 2015	375	17.107	17.120	17.080
June 24, 2015	0	0	0	0
June 25, 2015	0	0	0	0
June 26,2015	0	0	0	0

At June 26, 2015, Mobistar held 0 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