Rule 8.3 - BAE SYSTEMS PLC

FORM 8.3 DEALINGS BY PERSONS WITH INTERESTS IN SECURITIES REPRESENTING 1% OR MORE (Rule 8.3 of the City Code on Takeovers and Mergers) 1. KEY INFORMATION Name of person dealing BARCLAYS PLC (Note 1) Company dealt in BAE SYSTEMS PLC Class of relevant security ORD GBP 0.025 to which the dealings being disclosed relate (Note 2) Date of dealing 03 APRIL 2006 2. INTERESTS, SHORT POSITIONS AND RIGHTS TO SUBSCRIBE (a) Interests and short positions (following dealing) in the class of relevant security dealt in (Note 3) Long Short Number (%) Number (%) (1) Relevant 110,605,045 (3.43%) 170,016 (0.01%) securities (2) Derivatives 435,016 (0.01%) 2,570,406 (0.08%) (other than options) (3) Options and 0 (0.00%) 4,472,272 (0.14%) agreements to purchase/sell Total 111,040,061 (3.45%) 7,212,694 (0.22%) (b) Interests and short positions in relevant securities of the company, other than the class dealt in (Note 3) Class of Long Short relevant security: Number Number (%) (%) (1) Relevant securities (2) Derivatives (other than options) (3) Options and agreements to purchase/sell Total (c) Rights to subscribe (Note 3) Class of relevant security: Details 3. DEALINGS (Note 4) (a) Purchases and sales Purchase/sale Number of Securities Price per unit (GBP) Purchase 500 4.2519 Purchase 700 4.2519 Purchase 940 4.2413 Purchase 680 4.2519 Purchase 695 4.2443 Purchase 700 4.2519 Purchase 1,000 4.2519 Purchase 870 4.2468 Purchase 685 4.2493 Purchase 1,696 4.2075 Purchase 1,433 4.2075 Purchase 44,862 4.2493 Purchase 11,441 4.2449 Purchase 1,433 4.2388 Purchase 2,578 4.2375 Sale 136 4.2486 Sale 52 4.2431 Sale 6,767 4.2542 Sale 1,250 4.2482 Sale 744 4.2457 Sale 1,531 4.2431 Sale 1,500 4.2492 Sale 6,892 4.2432 Sale 3,750 4.2506 Sale 157 4.2486 Sale 10,893 4.2375 Sale 66,453 4.2401 Sale 60,000 4.2428 Sale 186,041 4.2375 (b) Derivatives transactions (other than options) Product Long/Short Number of Securities Price Per name, (Note 6) (Note 7) Unit (GBP) e.g. CFD CFD Long 66,453 4.2401 CFD Long 60,000 4.2428 CFD Short 44,862 4.2493 (c) Options transactions in respect of existing securities (i) Writing, selling, purchasing or varying Product name, Writing, Number of Exercise Type, e.g. Expiry Option money e.g. call selling, securities to price American, date paid/received option purchasing, which the option European etc. per unit (GBP) varying etc. relates (GBP) (ii) Exercising Product name, e.g. Number of Exercise price per call option securities unit (Note 5) (d) Other dealings (including new securities) (Note 4) Nature of transaction Details Price per unit (Note 8) (if applicable) (Note 5) 4. OTHER INFORMATION Agreements, arrangements or understandings relating to options or derivatives Full details of any agreement, arrangement or understanding between the person disclosing and any other person relating to the voting rights of any relevant securities under any option referred to on this form or relating to the voting rights or future acquisition or disposal of any relevant securities to which any derivative referred to on this form is referenced. If none, this should be stated. Is a Supplemental Form 8 attached? (Note 9) NO Date of disclosure 4 APRIL 2006 Contact name BARCLAYS COMPLIANCE Telephone number 020 7116 2913 If a connected EFM, name of offeree/offeror with which connected If a connected EFM, state nature of connection (Note 10) Notes The Notes on Form 8.3 can be viewed on the Takeover Panel's website at www.thetakeoverpanel.org.uk

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