Holding(s) in Company

RNS Number:5864W
GW Pharmaceuticals PLC
16 March 2004

                                  SCHEDULE 10

                   NOTIFICATION OF MAJOR INTERESTS IN SHARES


AVS NO


        All relevant boxes should be completed in block capital letters.



1.

Name of company

GW PHARMACEUTICALS PLC



2.

Name of shareholder having a major interest

ZURICH FINANCIAL SERVICES AND GROUP

3.

Please state whether notification indicates that it is in respect of holding of
the shareholder named in 2 above or in respect of a non-beneficial interest or
in the case of an individual holder if it is a holding of that person's spouse
or children under the age of 18



2 ABOVE


4.

Name of the registered holder(s) and, if more than one holder, the number of
shares held by each of them


LITTLEDOWN NOMINEES LTD (A/C 21667) 190,000
LITTLEDOWN NOMINEES LTD (A/C 05576) 2,775,703
LITTLEDOWN NOMINEES LTD (A/C 05577) 186,716
LITTLEDOWN NOMINEES LTD (A/C 07203) 168,000



5.

Number of shares/amount of stock acquired

NA



6.

Percentage of issued class



NA

7.

Number of shares/amount of stock disposed



NA

8.

Percentage of issued class



NA

9.

Class of security

ORDINARY SHARES OF 0.1 PENCE



10.

Date of transaction

NA


11.

Date company informed

15 MARCH 2004


12.

Total holding following this notification



3,320,419


13.

Total percentage holding of issued class following this notification

3.00%


14.

Any additional information



NA



15.

Name of contact and telephone number for queries



JONATHAN LAUGHTON 01980 557 005



16.

Name and signature of authorised company official

responsible for making this notification



JONATHAN LAUGHTON


Date of notification 16 March 2004




                      This information is provided by RNS
            The company news service from the London Stock Exchange
END

HOLEAADKFENLEFE