Rule 8.3 - LONDON STOCK EXCHANGE GROUP

An incorrect Short Relevant Securities Holding was shown on the previous Rule 8.3 disclosure for this company. Today's disclosure shows the corrected figure. 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 GROUP Class of relevant security ORD GBP0.06918604 to which the dealings being disclosed relate (Note 2) Date of dealing 13 December 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 5,999,031 2.81% 390,095 0.18% securities (2) Derivatives 178,714 0.08% 1,008,538 0.47% (other than options) (3) Options and 500 0.00% 750,000 0.35% agreements to purchase/sell Total 6,178,245 2.90% 2,148,633 1.01% (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 2,931 Transfer Purchase 872 13.2300 Purchase 36,900 13.2172 Purchase 256 Transfer Purchase 860 13.2000 Purchase 1,300 13.2100 Purchase 1,954 Transfer Purchase 7,000 13.1734 Sale 31,931 13.2185 Sale 20,000 13.2800 Sale 10,01 13.1772 Sale 407 13.1900 Sale 7,000 13.1734 Sale 7,000 13.1734 (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 Short 1300 13.2100 CFD Short 36900 13.2171 Swap Short 224349 Transfer CFD Long 10013 13.1771 CFD Long 31931 13.2184 (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 14 December 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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Barclays (BARC)
UK 100

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