Rule 8.3 - LONDON STOCK EXCHANGE 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 LONDON STOCK EXCHANGE PLC Class of relevant security ORD GBP 0.058333 to which the dealings being disclosed relate (Note 2) Date of dealing 29 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 17,163,415 (6.71%) 6,500 (0.00%) securities (2) Derivatives 37,754 (0.01%) 7,680,574 (3.00%) (other than options) (3) Options and 0 (0.00%) 0 (0.00%) agreements to purchase/sell Total 17,201,169 (6.72%) 7,687,074 (3.01%) (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 2,300 11.1400 Purchase 648 11.1500 Purchase 1,097 11.1450 Purchase 3,586 11.1500 Purchase 2,011 11.1450 Purchase 2,300 11.1400 Purchase 584 11.1500 Purchase 4,200 11.1300 Purchase 138 11.1500 Purchase 501 11.1400 Purchase 1,934 11.1450 Purchase 2,000 11.1400 Purchase 827 11.1450 Purchase 756 11.1450 Purchase 2,603 11.1450 Purchase 1,723 11.1400 Purchase 4,200 11.1300 Purchase 1,760 11.1400 Purchase 1,075 11.1400 Purchase 1,919 11.1500 Purchase 2,300 11.1450 Purchase 853 11.1500 Purchase 2,070 11.1500 Purchase 244 11.1400 Purchase 400 11.1450 Purchase 2,300 11.1450 Purchase 772 11.1400 Purchase 1,363 11.1500 Purchase 736 11.1450 Purchase 1,167 11.1500 Purchase 174 11.1400 Purchase 142 11.1500 Purchase 6,393 11.1450 Purchase 941 11.1450 Purchase 6,802 11.1450 Purchase 500 11.1500 Purchase 397 11.1450 Purchase 837 11.1400 Purchase 1,057 11.1450 Purchase 317 11.1400 Purchase 738 11.1500 Purchase 4,582 11.1450 Purchase 1,048 11.1450 Purchase 4,000 11.1400 Purchase 20 11.1450 Purchase 386 11.1400 Purchase 1,983 11.1400 Purchase 1,171 11.1400 Purchase 2,300 11.1450 Purchase 348 11.1450 Purchase 3,586 11.1500 Purchase 2,706 11.1500 Purchase 1,600 11.1300 Purchase 2,300 11.1450 Purchase 2,280 11.1450 Purchase 469 11.1450 Purchase 3,507 11.1450 Purchase 772 11.1450 Purchase 277 11.1400 Sale 6,500 11.1978 Sale 100,000 11.1434 The following trade was carried out on 23 March 2006 Purchase 307,729 11.4066 The following trade was carried out on 24 March 2006 Purchase 165,269 11.2974 The following trade was carried out on 27 March 2006 Purchase 100,000 11.1434 (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 6,500 11.1978 The following transaction was carried out on 27 March 2006 Product Long/Short Number of Securities Price Per name, (Note 6) (Note 7) Unit (GBP) e.g. CFD Swap Short 100,000 11.1434 (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 (Note varying etc. relates (Note 7) 5) (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 30 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

Companies

Barclays (BARC)
UK 100

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