At 4 April 2018 there were 645,218,228 shares in issue with a nominal value of 1p each, with one voting right per share. All securities are traded at AIM and there are no restrictions on the transfer of the company’s securities.

There are no shares held in treasury.

As at 4 April 2018 the following significant shareholdings of 3% or more of the ordinary share capital of the Company have been notified to the Company.

SFN CLREANTECH INVESTMENT LTD

Ordinary Shares

Number: 596,279,682

92.42%

Shares in public hand at 4 April 2018: 6.88%