Plasmon PLC
12 June 2002

DEALINGS BY SUBSTANTIAL SHAREHOLDERS


1)   NAME OF COMPANY

     PLASMON PLC

2)   NAME OF SHAREHOLDER HAVING A MAJOR INTEREST

     AMVESCAP PLC AND SUBSIDIARY COMPANIES

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

     ON BEHALF OF DISCRETIONARY CLIENTS

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

     VIDACOS NOMINEES LTD                          6,051,240
     
     NORTHERN TRUST NOMINEES LTD                     123,764

     CHASE NOMINEES LTD                               40,424

     CM INVESTMENT NOMINEES LTD A/C PEP 53215G         2,000

     CM INVESTMENT NOMINEES LTD A/C PEP 53213G         2,000
   

5)   Number of shares/amount of stock acquired.

     50,000

6)   (0.09%) of issued Class

7)   Number of shares/amount of stock disposed



8)   ( N/A %) of issued Class

9)   Class of security

     ORDINARY

10)  Date of transaction

     11 JUNE 2002

11)  Date company informed

     12 JUNE 2002

12)  Total holding following this notification

     6,219,428
               
13)  Total percentage holding of issued class following this notification

     12.08%

14)  Any additional information

     THE ABOVE HOLDING INCLUDES THE FOLLOWING NOTIFIABLE HOLDINGS:

     INVESCO PERPETUAL INTERNATIONAL CORE FUND        2,501,236

     INVESCO PERPETUAL UK SMALL COMPANIES CORE FUND   1,827,010
     
     BOTH HOLDINGS REGISTERED IN THE NAME OF VIDACOS NOMINEES LTD

15)  Name of contact and telephone number for queries

     KATE HOMAN
     01763 264435

16)  Name and signature of authorised company official responsible for 
     making this notification

     Date of Notification  12 JUNE 2002


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

END