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 28 MARCH 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 111,287,016 (3.46%) 73,437 (0.00%) securities (2) Derivatives 301,584 (0.01%) 2,915,375 (0.09%) (other than options) (3) Options and 0 (0.00%) 4,472,272 (0.14%) agreements to purchase/sell Total 111,588,600 (3.47%) 7,461,084 (0.23%) (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 970 4.0937 Purchase 1,710 4.0915 Purchase 600 4.0890 Purchase 610 4.0887 Purchase 2,500 4.0865 Purchase 1,200 4.1012 Purchase 1,330 4.0819 Purchase 950 4.0890 Purchase 855 4.0890 Purchase 1,830 4.0937 Purchase 730 4.0865 Purchase 1,171 4.1825 Purchase 18,862 4.0911 Purchase 20,569 4.0910 Purchase 19,440 4.0900 Purchase 1,456 4.1000 Purchase 46,721 4.0825 Purchase 8,008 4.0989 Purchase 32,106 4.0989 Purchase 70,275 4.0989 Purchase 48,736 4.0825 Purchase 5,894 4.0825 Purchase 27,639 4.0825 Purchase 153,502 4.0825 Purchase 11,654 4.0825 Purchase 105,486 4.0989 Purchase 33,491 4.0989 Purchase 18,992 4.0989 Purchase 26,771 4.0853 Purchase 102,264 4.0825 Sale 1,800 4.0885 Sale 750 4.0838 Sale 405 4.0810 Sale 64,408 4.0944 Sale 31,539 4.0992 Sale 2,887 4.1433 Sale 40,000 4.0912 (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 64,408 4.0944 CFD Long 31,539 4.0992 CFD Short 18,862 4.0911 CFD Short 20,569 4.0910 CFD Long 98,123 4.0903 (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 29 MARCH 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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