Rule 8.3 - BAA 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 BAA PLC Class of relevant security ORD GBP 1.00 to which the dealings being disclosed relate (Note 2) Date of dealing 23 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 37,355,581 (3.46%) 0 (0.00%) securities (2) Derivatives 0 (0.00%) 560,123 (0.05%) (other than options) (3) Options and 0 (0.00%) 0 (0.00%) agreements to purchase/sell Total 37,355,581 (3.46%) 560,123 (0.05%) (b) Interests and short positions in relevant securities of the company, other than the class dealt in (Note 3) Long Short 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) Sale 500 8.3506 Sale 440 8.3605 Sale 250 8.3805 Sale 300 8.2906 Sale 500 8.3403 Sale 1000 8.2855 Sale 9846 8.3068 Sale 379273 8.3200 Sale 41873 8.3282 Sale 1362 8.2871 (b) Derivatives transactions (other than options) Product Long/Short Number of Securities Price Per name, (Note 6) (Note 7) Unit (GBP) e.g. CFD (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 (GBP) European etc. per unit varying etc. relates (Note 7) (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 24 MARCH 2006 Contact name BARCLAYS COMPLIANCE Telephone number 020 7116 2913 If a connected EFM, name of BAA PLC offeree/offeror with which connected If a connected EFM, state nature of ADVISOR connection (Note 10) Notes The Notes on Form 8.3 can be viewed on the Takeover Panel's website at www.thetakeoverpanel.org.uk

Companies

Barclays (BARC)
UK 100

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