Orange Belgium S.A.

Transaction in Own Shares • Apr 25, 2016

Press Release

Embargo until April 25 2016 at 7:30 a.m. Regulated information

Purchase of own shares in the context of the liquidity contract

Brussels, Monday, April 25, 2016 – In the framework of the liquidity contract, Mobistar (Euronext Brussels: MOBB) announces today that it has bought 65,147 own shares during the period 18/04/2016 up to 22/04/2016. For the same period, Mobistar has sold 65,147 own shares.

Acquisition date	Number of shares purchased	Average price (euros)	Highest price (euros)	Lowest price (euros)
April 18,2016	0	0	0	0
April 19,2016	704	20.364	20.400	20.350
April 20,2016	36,143	20.179	20.250	20.080
April 21,2016	28,000	19.928	0	0
April 22,2016	300	20.160	0	0

At April 22, 2016, 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