Orange Belgium S.A.

Transaction in Own Shares • May 2, 2016

Press Release

Embargo until May 02 2016 at 7:30 a.m. Regulated information

Purchase of own shares in the context of the liquidity contract

Brussels, Monday, May 02, 2016 – In the framework of the liquidity contract, Mobistar (Euronext Brussels: MOBB) announces today that it has bought 88,800 own shares during the period 25/04/2016 up to 29/04/2016. For the same period, Mobistar has sold 1,300 own shares.

Acquisition date	Number of shares purchased	Average price (euros)	Highest price (euros)	Lowest price (euros)
April 25,2016	13,800	20.099	20.260	20.010
April 26,2016	7,500	19.911	20.010	19.860
April 27,2016	57,500	19.688	19.930	19.500
April 28,2016	5,000	19.367	19.530	19.305
April 29,2016	5,000	19.063	19.335	19.000

At April 29, 2016, Mobistar held 87,500 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