Holding(s) in Company

RNS Number:9646R
Plasmon PLC
09 April 2008


TR-1: Notifications of Major Interests in Shares


1. Identity of the issuer or the underlying issuer of existing shares to which
voting rights are attached:

PLASMON PLC



2. Reason for the notification

(please place an X inside the appropriate bracket/s):



An acquisition or disposal of voting rights: (X)



An acquisition or disposal of financial instruments which may result in the
acquisition of shares already issued 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 notification obligation:

GAM International Management Limited



4. Full name of shareholder(s) (if different from 3):

N/a



5. Date of transaction (and date on which the threshold is crossed or reached if
different):

2 April 2008



6. Date on which issuer notified:

4 April 2008



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

10%




8. Notified Details:



A: Voting rights attached to shares


Class/type of shares if possible  Situation previous to the triggering transaction
use ISIN CODE
                                  Number of shares                   Number of voting rights


GB000690638L                      9,252,312                          9,252,312
ORD 5p


                              Resulting situation after the triggering transaction
Class/type of shares          Number of shares          Number of voting rights               % of voting rights
if possible use ISIN CODE
                              Direct                    Direct         Indirect               Direct       Indirect


GB000690638L                  24,252,312                24,252,312                            10.99%
ORD 5p



B: Financial Instruments

Resulting situation after the triggering transaction


Type of         Expiration date      Exercise/conversion       No. of voting rights that   % of voting rights
financial                            period/date               may be acquired (if the
instrument                                                     instrument exercised/
                                                               converted)





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


24,252,312                     10.99%











9. Chain of controlled undertakings through which the voting rights and/or the
financial instruments are effectively held, if applicable:

GAM International Management Limited is the discretionary investment manager for
the following:



Period of Interest                         25-Mar-08 to 04-Apr-08

Security                                   Plasmon PLC Ordinary GB P O.05

ISIN                                       GB000690638L

SEDOL                                      0690638

Uptix Code                                 0690638

Number of shares in issue                  220 756 276



Trade Date           Fund Name                         Nominal     Running Total                      No% of Issue

25-Mar-08         Opening Balance                     9,252,312      9,252,312                                4.19

02-Apr-08         GAM Exempt Trust                    4,435,000     13,688,312                                6.20
                   - UK Opportunities

02-Apr-08         GAM UK Diversified                 10,564,000     24,252,312                               10.99



Proxy Voting:



10. Name of the proxy holder:

Institutional Shareholder Services



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

N/a



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

N/a



13. Additional information:

N/a



14. Contact name:

Kemi Thomas



15. Contact telephone number:

020 7917 2346


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