Holding(s) in Company

Alumasc Group PLC
11 January 2005


                                SCHEDULE 10
 
                  NOTIFICATION OF MAJOR INTERESTS IN SHARES


1)   NAME OF COMPANY

     THE ALUMASC GROUP PLC


2)   NAME OF SHAREHOLDER HAVING A MAJOR INTEREST

     PLATINUM INVESTMENT TRUST PLC


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

     AS ABOVE


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

     BANK OF NEW YORK NOMINEES ACCOUNT 310008


5)   Number of shares/amount of stock acquired.

     -


6)   Percentage of issued Class

     -


7)   Number of shares/amount of stock disposed

     250,000


8)   Percentage of issued Class

     0.71%


9)   Class of security

     ORDINARY


10)  Date of transaction

     10.01.05


11)  Date company informed

     11.01.05


12)  Total holding following this notification

     859,472
               

13)  Total percentage holding of issued class following this notification

     2.45%


14)  Any additional information




15)  Name of contact and telephone number for queries

     PATRICIA KINGDON
     01536 383844


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

     Date of Notification      11 JANUARY 2005



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