RNS Number:5728O
AEA Technology PLC
12 August 2003

                  DEALINGS BY SUBSTANTIAL SHAREHOLDERS


1)   NAME OF COMPANY

AEA TECHNOLOGY PLC


2)   NAME OF SHAREHOLDER HAVING A MAJOR INTEREST

MINEWORKERS PENSION SCHEME


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

YES


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

MINEWORKERS PENSION SCHEME (CHASE GIS) NOMINEES LTD


5)   Number of shares/amount of stock acquired.

NOT KNOWN


6)   ( NOT KNOWN %) of issued Class

7)   Number of shares/amount of stock disposed

N/A


8)   ( N/A %) of issued Class

9)   Class of security

ORDINARY #0.122


10)  Date of transaction

NOT KNOWN


11)  Date company informed

12/8/03


12)  Total holding following this notification

2,097,050

               
13)  Total percentage holding of issued class following this notification

3.1%


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 ........................12/8/2003



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

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