Holding(s) in Company

RNS Number:9045O
AEA Technology PLC
20 August 2003



                  DEALINGS BY SUBSTANTIAL SHAREHOLDERS


1)   NAME OF COMPANY

     AEA TECHNOLOGY PLC


2)   NAME OF SHAREHOLDER HAVING A MAJOR INTEREST

     UBS GLOBAL ASSET MANAGEMENT LIFE 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

     RE 2


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

     PHILDREW NOMINEES LTD LF09     187,523
     PHILDREW NOMINEES LTD LF20   2,325,626


5)   Number of shares/amount of stock acquired.

     NOT KNOWN


6)   Percentage of issued Class

     NOT KNOWN


7)   Number of shares/amount of stock disposed

     N/A


8)   (%) of issued Class

     N/A


9)   Class of security

     ORDINARY #0.122


10)  Date of transaction

     NOT KNOWN


11)  Date company informed

     20/8/03


12)  Total holding following this notification

     2,513,149

               
13)  Total percentage holding of issued class following this notification

     3.72%


14)  Any additional information

     -


15)  Name of contact and telephone number for queries
     
     KEITH RUSSELL 
     01235 433195


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

     Date of Notification          20/8/2003



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

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