Holding(s) in Company

RNS Number:3356O
AEA Technology PLC
5 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
SEE BELOW


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


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)   ( N/A %) of issued Class


9)   Class of security
ORDINARY #0.122P


10)  Date of transaction
NOT KNOWN


11)  Date company informed
5/8/03


12)  Total holding following this notification
3,239,433

               
13)  Total percentage holding of issued class following this notification
4.8%


14)  Any additional information
SEE BELOW


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
5/8/2003



Letter to AEA Technology PLC
Dated 4 August 2003

Re: S.198 Companies Act 1985: as amended by The Disclosure of Interest in Shares 
(Amendment) Regulations 1993

In accordance with the Companies Act 1985, (as amended) I write to notify you 
that UBS Global Asset Management Life Ltd has an interest in 3,239,433 ord 
12.22p shares of the Company. This represents 4.76% of the issued share capital 
of the Company.

Please find below a list of the Registered holders.

UBS Global Asset Management Life Ltd is a subsidiary of UBS Global Asset 
Management Holding (No.2) Ltd which is also treated as having an interest in the 
above shares. We are authorised to make this aggregate disclosure on behalf of 
UBS Global Asset Management Holding (No.2) Ltd the registered address of which 
is:
     21 Lombard Street 
     London 
     EC3V 9AH

D. Oakton
Legal & Compliance Department
 

                         AEA Technology PLC

               Total Issued Share Capital -     68,027,475

Name                                                  Quantity

PHILDREW NOMINEES LIMITED          A/C LF09            187,523

PHILDREW NOMINEES LIMITED          A/C LF20          3,051,910

                                                     3,239,433
 
                                                          4.76%
 
Letter from UBS Global Asset Management (UK) Ltd


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

END

HOLEAEPSEDPDEFE

x