Transaction in Own Shares

CLS Holdings plc (the `Company')                        

                           Transaction in Own Shares                           

The Company announces that, pursuant to its general authority by shareholders
of the Company on 22 May 2007 to make market purchases of its own shares, the
Company acquired 50,000 Ordinary shares on 21 June 2007 at an average price of
599.20 pence per Ordinary share, with the highest price of 613 pence and the
lowest price of 593 pence. The purchased shares will be held as treasury
shares.

Following the above purchase the Company now holds 7,689,535 Ordinary shares as
treasury shares and the total number of Ordinary shares in issue, excluding
shares held as treasury shares, is 70,621,736. Therefore the total number of
voting rights in CLS Holdings plc is 70,621,736.

Enquiries:

Sten Mortstedt, Executive Chairman - 020 7582 7766

Per Sjöberg, Chief Executive Officer - 020 7582 7766

Date: 22 June 2007