RNS Number:6436V Plasmon PLC 8 May 2002                    DEALINGS BY SUBSTANTIAL SHAREHOLDERS 1)   NAME OF COMPANY     PLASMON PLC 2)   NAME OF SHAREHOLDER HAVING A MAJOR INTEREST     GLOBAL ASSET MANAGEMENT LTD 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.         GAM INTERNATIONAL GROWTH FUND                   1,807,000         GAM UK DIVERSIFIED FUND                         1,115,000         GAM EXEMPT TRUST - UK OPPORTUNITIES               333,000 5)   Number of shares/amount of stock acquired. 6)   (N/A%) 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)  Date company informed     8 MAY 2002 12)  Total holding following this notification     3,255,000               13)  Total percentage holding of issued class following this notification     6.32% 14)  Any additional information     NUMBER OF SHARES IN ISSUE IS 51,474,957 15)  Name of contact and telephone number for queries     TIMOTHY ARTHUR     COMPANY SECRETARY AND FINANCE DIRECTOR     01763 264435 16)  Name and signature of authorised company official responsible for     making this notification     Date of Notification  8 MAY 2002                      This information is provided by RNS            The company news service from the London Stock Exchange END HOLBKFKPPBKDAPK MMMM