Holding(s) in Company

Date: 28 March 2011

On behalf of: Avanti Communications Group plc ("Avanti" or "the Company")

Avanti Communications Group plc

§ Holdings in Company

Avanti Communications Group Plc (AIM: AVN), the satellite operator, announces that it has today received notification from Caledonia Investments plc that as at 24th March 2011, it held 12,320,000 ordinary shares in Avanti Communications, being approximately 15.2% of the issued ordinary share capital of the Company.

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For further information please contact:

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

David Williams

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

Julian Morse / Max Hartley

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

Julian Smith

Redleaf Polhill Tel: +44 (0) 20 7566 6700

Emma Kane / Paul Dulieu