Notice of Results

Avanti Communications Group plc

§ Notice of Preliminary Results

Avanti Communications Group plc (AIM: AVN), the broadband satellite operator, will announce its Preliminary Results for the year ended 30 June 2010 on Wednesday, 1 December 2010.

An analysts' briefing will be held at 1200hrs on the day at the offices of Avanti Communications. To register to attend or for further information, please contact Redleaf Communications on 020 7566 6700 or by email at [email protected].

Enquiries:

Avanti Communications Group Plc Tel: +44 (0) 20 7749 1600

David Williams

Cenkos Securities Tel: +44 (0) 20 7397 8900

Nick Wells / Max Hartley / Julian Morse

Jefferies International Limited Tel: +44 (0) 20 7029 8000

Julian Smith / Oliver Griffiths

Redleaf Communications Ltd Tel: +44 (0) 20 7566 6700

Emma Kane / Samantha Robbins / Paul Dulieu

Notes to Editors:

About Avanti Communications

§ Avanti sells satellite broadband services to telecoms companies which use them to supply residential, enterprise and institutional users.

§ Avanti's first satellite, called HYLAS 1, was launched on 26 November 2010 and is the first superfast broadband satellite launched in Europe.

§ Avanti's second satellite, called HYLAS 2, is fully funded and will launch in Q2 2012. It will extend Avanti's coverage to Africa and the Middle East.

§ The market for 2Mb satellite broadband products in the markets served by Avanti is estimated at more than 100 million households.