Holding(s) in Company

RNS Number:1230M
AEA Technology PLC
10 June 2003

       

                  DEALINGS BY SUBSTANTIAL SHAREHOLDERS


1)   NAME OF COMPANY

AEA TECHNOLOGY PLC


2)   NAME OF SHAREHOLDER HAVING A MAJOR INTEREST

SCHRODER INVESTMENT MANAGEMENT LIMITED


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 LETTER BELOW


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

SEE LETTER BELOW


5)   Number of shares/amount of stock acquired.

NOT KNOWN


6)   ( NOT KNOWN %) of issued Class

7)   Number of shares/amount of stock disposed



8)   (  %) of issued Class

9)   Class of security

ORDINARY 


10)  Date of transaction

NOT KNOWN


11)  Date company informed

10/6/03


12)  Total holding following this notification

13,809,665

               
13)  Total percentage holding of issued class following this notification

20.3%


14)  Any additional information

SEE LETTER 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 ...............10/6/2003.................



Letter to: AEA Technology plc - Dated 9 June 2003

10p ORDINARY SHARES ("SHARES")

We write to advise you that we, Schroder Investment Management Limited, have an
interest in 12,312,674 shares which are held in portfolios managed by us on a
discretionary basis for clients under investment management agreements.

Included in this figure are:-

(i)    982,542 shares registered or to be registered in the name of our 
       wholly-owned subsidiary nominee company, Schroder Nominees Limited 
       (Schroder Nominees).

(ii)   6,250,001 shares held in (a) unit trust(s) operated and managed by an 
       affiliated company, Schroder Unit Trusts Limited (SUTL), and registered 
       or to be registered in the name of Chase Nominees Limited.

(iii)  5,080,131 shares neither registered nor to be registered in the name of 
       Schroder Nominees Limited. The registration details are shown on  
       schedule A below.

An affiliated company, Schroder Investment Management North America Inc (SIMNA 
Inc), is managing a portfolio holding a further 1,496,991 shares. These shares 
are registered or to be registered in the name of Chase Nominees Limited.

We believe that we, our subsidiary and affiliated company are therefore 
interested in an overall aggregate of 13,809,665 shares, representing some 
20.300% of the total number of shares in issue, namely 68,027,475.

This notification is made to you:-

(a) in respect of our interest as investment managers,

(b) on behalf of SIMNA Inc, SIMNA Ltd and SUTL in relation to the interests they 
    are treated as having respectively under the Companies Act 1985 (the Act), 
    and

(c) on behalf of Schroders plc., our holding company, which is treated as having 
    an interest in all of the above shares under the Act by virtue of its 
    ownership of SIMNA Inc, SUTL and ourselves.

Letter from: Schroder Investment Management Limited




                                  SCHEDULE A 

                              AEA TECHNOLOGY PLC

                              10P ORDINARY SHARES       
 

REGISTRATION                                                            AMOUNT

British Coal Staff Superannuation a/c: P                              2,002,173 
Chase Nominees Limited                                                  607,689
Chase Manhattan Bank                                                    209,630 
Imperial Pensions Nominees Limited                                      695,454 
Mineworkers' Pension Scheme a/c: R                                      904,438
Morgan Nominees Ltd                                                      90,818
Nortrust Nominees Ltd                                                   360,728 
Nutraco Nominees Ltd a/c: GWPPMPS                                       119,454
RBSTB Nominees Limited                                                   89,747
                                                                     ___________

                                                                      5,080,131
                                                                     ___________



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


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