Notification of Major Interest in Shares

TR-1: NOTIFICATION OF MAJOR INTEREST IN SHARES


1. Identity of the issuer or the underlying issuer                           CLS HOLDINGS PLC ("CLS")
of existing shares to which voting rights are
attached:

2 Reason for the notification (please tick the appropriate box or boxes):

An acquisition or disposal of voting rights                                                      X

An acquisition or disposal of financial instruments which may result in the
acquisition of shares already issues to which voting rights are attached

An event changing the breakdown of voting rights

Other (please specify):

3. Full name of person(s) subject to the                                   THE MORTSTEDT FAMILY TRUST
notification obligation:
                                                                        ESTABLISHED BY STEN MORTSTEDT
4. Full name of shareholder(s) (if
different
from 3.):

5. Date of the transaction and date on                                                  30 April 2009
which the threshold is crossed or
reached:

6. Date on which issuer notified:                                                       30 April 2009

7. Threshold(s) that is/are crossed or                                                            51%
reached:

8. Notified details:
 
A: Voting rights attached to shares

Class/type of      Situation previous                     Resulting situation after
shares              to the Triggering                     the triggering transaction
                       transaction
 
if possible
using
the ISIN CODE
                     Number      Number          Number              Number of         % of voting
                       of          of           of shares              voting            rights
                     Shares      Voting                                rights
                                 Rights

                                                 Direct       Direct   Indirect   Direct   Indirect

ORDINARY           24,060,152     50.1%        24,757,627   24,757,627            51.55%
 
GB0001592475
 

B: Financial Instruments

Resulting situation after the triggering transaction    Number of voting      % of voting
 Type of financial  Expiration  Exercise/ Conversion   rights that may be       rights 
    instrument         date         Period/ Date         acquired if the
                                                          instrument is
                                                      exercised/ converted.

                                                                                                                                                                             
Total (A+B)
Number of voting rights                      % of voting rights

24,757,627                                   51.55%

 
9. Chain of controlled undertakings through which the voting rights and/or the
financial instruments are effectively held, if applicable:
 
Proxy Voting:
10. Name of the proxy holder:

11. Number of voting rights proxy holder will cease
to hold:

12. Date on which proxy holder will cease to hold
voting rights:

 
13. Additional information:

14. Contact name:                                  JESSICA STROMSTEDT

15. Contact telephone number:                        [phone]