Name of applicant:

AEA TECHNOLOGY PLC

Name of scheme:

AEA TECHNOLOGY PLC EMPLOYEE SHARE SCHEMES (UK)

Period of return:

From:

07/02/09

To:

06/08/09

Balance of unallotted securities under scheme(s) from previous return:

576,849

Plus:  The amount by which the block scheme(s) has been increased since the date of the last return (if any increase has been applied for):

NIL

Less:  Number of securities issued/allotted under scheme(s) during period (see LR3.5.7G):

NIL

Equals:  Balance under scheme(s) not yet issued/allotted at end of period:

576,849

Name of contact:

PHILIP ROPER

Telephone number of contact:

0870 190 8145