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 14 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 11,523,008 (4.50%) 3,529 (0.00%) securities (2) Derivatives 2,741,242 (1.07%) 79,085 (0.03%) (other than options) (3) Options and 0 (0.00%) 0 (0.00%) agreements to purchase/sell Total 14,264,250 (5.58%) 82,614 (0.03%) (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 11.7000 Purchase 971 11.2500 Purchase 4,258 11.7000 Purchase 4,258 11.7000 Purchase 3,000 11.7700 Purchase 3,300 11.2150 Purchase 139 11.2400 Purchase 2,500 11.2400 Purchase 4,000 11.3000 Purchase 803 11.3000 Purchase 1,744 11.7700 Purchase 4,256 11.7700 Purchase 695 11.3000 Purchase 10,000 11.9600 Purchase 4,171 11.2700 Purchase 10,323 11.2500 Purchase 331 11.3000 Purchase 6,395 11.7000 Purchase 5,000 11.7500 Purchase 5,000 11.2300 Purchase 8,202 11.2400 Purchase 9,677 11.2500 Purchase 733 11.4000 Purchase 8,888 11.2500 Purchase 5,000 11.2500 Sale 500 11.4225 Sale 2,614 12.0000 Sale 733 11.4000 (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 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 15 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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