Holding(s) in Company

3 February 2011 For Immediate Release

InfraStrata plc

("InfraStrata" or "Company")

Holding in Company

The Company was notified on 2 February 2011 that, following a purchase of Ordinary Shares, JPMorgan Asset Management Holdings Inc., via JPMorgan Asset Management (UK) Limited, indirectly holds 11,271,600 Ordinary Shares (with an equivalent number of voting rights) which represent approximately 15.20 per cent. of the issued ordinary share capital of the Company.

Enquiries:

Andrew Hindle/Craig Gouws Tel: +44(0)20 8332 1200

InfraStrata plc

Jonathan Wright/Jeremy Porter Tel: +44(0)20 7107 8008

Seymour Pierce Limited