Holding(s) in Company

23 December 2010 For Immediate Release

Infrastrata plc

("Infrastrata" or "Company")

Holding in Company

The Company was notified on 23 December 2010 that, following a purchase of Ordinary Shares, JP Morgan Asset Management Holdings Inc. indirectly holds 6,300,000 Ordinary Shares (with an equivalent number of voting rights) which represent approximately 8.49% 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