Major Shareholders

There are 172,321,429 issued and fully paid ordinary shares of 1p each in the Company. As at 4 February 2010 the following interests of 3% or more in the issued share capital of the Company appear in the register maintained in accordance with section 211 of the Companies Act 1985:

Erith Group Limited is 50% beneficially owned by Mikhail Baranov who is therefore deemed to be interested in 29.8% of the ordinary shares.

As defined in the AIM rules 90.2% of Zirax's shares are not in public hands.There are no shares held in treasury and no restrictions on the transfer of shares.