Master Distribution Agreement with COMSAT INC.

28 August 2018

Avanti Communications Group plc

("Avanti" or "the Group")

Avanti Communications plc announces Master Distribution Agreement with COMSAT INC.

Avanti Communications plc, (AVN:L) the UK Satellite operator has announced a seven year, Master Distribution Agreement (MDA) with Washington-based COMSAT INC, leading suppliers of Satellite communications services to the US DoD and US Government.

With this agreement, Avanti gains immediate access to US global governmental and military activity that may otherwise take multiple years to gain approval to serve.

COMSAT will benefit from the Avanti advanced satellite fleet and particularly from the Hylas 4 satellite, a High‐Throughput Satellite (HTS), focused on the Middle East and Africa. Hylas‐4, with four uniquely steerable HTS beams and a further 64 Fixed beams, will enter service in September, 2018.

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About Avanti

Avanti connects people wherever they are - in their homes, businesses, in government and on mobiles. Through the HYLAS satellite fleet and partners in 118 countries, the network provides ubiquitous internet service to a quarter of the world's population.

Avanti delivers the level of quality and flexibility that the most demanding telecoms customers in the world seek. Avanti is the first mover in high throughput satellite data communications in EMEA. It has rights to orbital slots and KA-band spectrum in perpetuity that covers an end market of over 1.7bn people. The Group has invested $1.2bn in a network that incorporates satellites, ground stations, datacentres and a fibre ring.

Avanti has a unique Cloud-based customer interface that is protected by patented technology. Avanti Communications is listed in London on AIM (AVN: LSE). www.avantiplc.com