RNS Number:8011Z Plasmon PLC

9 August 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 7,810,618 CHASE NOMINEES LTD 432,246 MELLON BANK NOMINEES PITTSBURGH 123,764 CM INVESTMENT NOMINEES LTD A/C PEP 532154 2,000 CM INVESTMENT NOMINEES LTD A/C PEP 532134 2,000

5) Number of shares/amount of stock acquired. 300,000

6) ( 0.55%) 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 8/8/02

11) Date company informed 9/8/02

12) Total holding following this notification 8,370,628

13) Total percentage holding of issued class following this notification 15.49%

14) Any additional information THE ABOVE HOLDING INCLUDES THE FOLLOWING NOTIFIABLE HOLDINGS: INVESCO PERPETUAL INTERNATIONAL CORE FUND 2,501,236 INVESCO PERPETUAL UK GROWTH FUND 2,387,954 BOTH HOLDINGS ARE REGISTERED IN THE NAME OF VIDACOS NOMINEES LTD.

15) Name of contact and telephone number for queries KATE HOMAN PA TO FINANCIAL DIRECTOR 01763 264435

16) Name and signature of authorised company official responsible for making this notification Date of Notification 9 AUGUST 2002 This information is provided by RNS The company news service from the London Stock Exchange