RNS Number:7247H
AEA Technology PLC
19 February 2003



                    BLOCKLISTING SIX MONTHLY REVIEW


1. NAME OF COMPANY:    AEA TECHNOLOGY PLC



2. NAME OF SCHEME:     AEA TECHNOLOGY PLC EMPLOYEE SHARE SCHEMES (UK)



3. PERIOD OF RETURN:     FROM:    7/8/02        TO:  6/2/03



4. NUMBER AND CLASS OF SHARES(S)
   (AMOUNT OF STOCK/DEBT SECURITY)
   NOT ISSUED UNDER SCHEME            731,250
   AT END OF THE LAST PERIOD:



5. NUMBER OF SHARES ISSUED/ALLOTTED
   UNDER SCHEME DURING PERIOD:        6,640



6. BALANCE UNDER SCHEME NOT YET ISSUED/ALLOTTED 
   AT END OF PERIOD:        724,610



7. NUMBER AND CLASS OF SHARE(S) 
   (AMOUNT OF STOCK/DEBT SECURITIES) 
   ORIGINALLY LISTED AND THE DATE OF ADMISSION:   731,250    7/8/02


PLEASE CONFIRM TOTAL NUMBER OF SHARES IN ISSUE AT THE END OF THE PERIOD
IN ORDER FOR US TO UPDATE OUR RECORDS.    71,207,475

CONTACT FOR QUERIES

NAME:          K RUSSELL
TELEPHONE:     01235 433195




                    BLOCKLISTING SIX MONTHLY REVIEW


1. NAME OF COMPANY:     AEA TECHNOLOGY PLC



2. NAME OF SCHEME:      AEA TECHNOLOGY EMPLOYEE SHARE PLANS (OVERSEAS)



3. PERIOD OF RETURN:     FROM:  7/8/02          TO: 6/2/03



4. NUMBER AND CLASS OF SHARES(S)
   (AMOUNT OF STOCK/DEBT SECURITY)            50,000
   NOT ISSUED UNDER SCHEME                    
   AT END OF THE LAST PERIOD:



5. NUMBER OF SHARES ISSUED/ALLOTTED
   UNDER SCHEME DURING PERIOD:         0



6. BALANCE UNDER SCHEME NOT YET ISSUED/ALLOTTED 
   AT END OF PERIOD:       50,000



7. NUMBER AND CLASS OF SHARE(S) 
   (AMOUNT OF STOCK/DEBT SECURITIES)              50,000  7/8/02
   ORIGINALLY LISTED AND THE DATE OF ADMISSION:


PLEASE CONFIRM TOTAL NUMBER OF SHARES IN ISSUE AT THE END OF THE PERIOD
IN ORDER FOR US TO UPDATE OUR RECORDS.        71,207,475

CONTACT FOR QUERIES

NAME:                K RUSSELL
TELEPHONE:           01235 433195



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

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