Transaction in Own Shares

CLS Holdings plc (the `Company')                        

                      Transfer of shares held in treasury                      

The Company announces that on 22nd May 2008 it transferred to participants in
the Company's Executive Share Option Schemes 325,000 Ordinary shares at a price
of 212.5 pence per share. The shares were all formerly held as treasury shares.

Following the above transfer of shares out of treasury, the Company holds
7,114,209 Ordinary shares as treasury shares and the total number of Ordinary
shares in issue excluding shares held as treasury shares is 67,190,811.

Enquiries:

Sten Mortstedt, Executive Chairman - 020 7582 7766

Henry Klotz, Chief Executive Officer - 020 7582 7766