Rule 8.3 - London Stock Exchange PLC

Kinetics Asset Management AMMENDED DISCLOSURE FORM 8.3 DEALINGS BY PERSONS WITH INTERESTS IN SECURITIES REPRESENTING 1% OR MORE (Rule 8.3 of the Takeover Code) 1. KEY INFORMATION -0- *T Name of person dealing (Note 1) Kinetics Asset Management, Inc. Horizon Asset Management, Inc. --------------------------------------------------------------------------------------------------------- Company dealt in London Stock Exchange Group PLC --------------------------------------------------------------------------------------------------------- Class of relevant security to which the Ordinary Shares dealings being disclosed relate (Note 2) --------------------------------------------------------------------------------------------------------- Date of dealing 24 January 2007 --------------------------------------------------------------------------------------------------------- *T 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) -0- *T Long Short -------------------------------------------------------------------------------------------------------- Number (%) Number (%) -------------------------------------------------------------------------------------------------------- (1) Relevant securities 14,263,129 6.689% 0 -------------------------------------------------------------------------------------------------------- (2) Derivatives (other than options) 0 0 -------------------------------------------------------------------------------------------------------- (3) Options and agreements to purchase/sell 0 0 -------------------------------------------------------------------------------------------------------- Total 14,263,129 6.689% 0 -------------------------------------------------------------------------------------------------------- *T (b) Interests and short positions in relevant securities of the company, other than the class dealt in (Note 3) -0- *T Class of relevant security: Class B Long Short -------------------------------------------------------------------------------------------------------- Number (%) Number (%) -------------------------------------------------------------------------------------------------------- (1) Relevant securities 91,880 1.1% 0 -------------------------------------------------------------------------------------------------------- (2) Derivatives (other than options) 0 0 -------------------------------------------------------------------------------------------------------- (3) Options and agreements to purchase/sell 0 0 -------------------------------------------------------------------------------------------------------- Total 91,880 1.1% 0 -------------------------------------------------------------------------------------------------------- *T (c) Rights to subscribe (Note 3) -0- *T Class of relevant security: Details --------------------------------------------------------------------------------------------------------- *T 3. DEALINGS (Note 4) (a) Purchases and sales -0- *T Purchase/sale Number of securities Price per unit (Note 5) --------------------------------------------------------------------------------------------------------- Purchase 10,000 13.00 GBP --------------------------------------------------------------------------------------------------------- *T (b) Derivatives transactions (other than options) -0- *T Product name, Long/short (Note 6) Number of securities (Note 7) Price per unit (Note 5) e.g. CFD -------------------------------------------------------------------------------------------------------- *T (c) Options transactions in respect of existing securities (i) Writing, selling, purchasing or varying -0- *T Product name, Writing, Number of Exercise Type, e.g. Expiry Option money e.g. call option selling, securities to price American, date paid/received purchasing, which the option European per unit (Note varying etc. relates (Note 7) etc. 5) ------------------------------------------------------------------------------------------------------- *T (ii) Exercising -0- *T Product name, e.g. call option Number of securities Exercise price per unit (Note 5) --------------------------------------------------------------------------------------------------------- *T (d) Other dealings (including new securities) (Note 4) -0- *T Nature of transaction (Note 8) Details Price per unit (if applicable) (Note 5) --------------------------------------------------------------------------------------------------------- *T 4. OTHER INFORMATION Agreements, arrangements or understandings relating to options or derivatives -0- *T 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. --------------------------------------------------------------------------------------------------------- Horizon Asset Management and Kinetics have a contractual relationship; whereby, Kinetics is purchasing research services from Horizon Asset Management. Horizon Asset Management and Kinetics are separate and independent companies, with different shareholders and directors, for the most part. However, since Horizon Asset Management and Kinetics derive investment research from a common source, i.e., the Horizon Research Group, a division of Horizon Asset Management, Inc. and because of certain shared personnel and office space, the Panel Executive has deemed Horizon Asset Management and Kinetics Asset Management to be a single person for the purposes of Rule 8.3 (b) of the City Code on Takeovers and Mergers. For US regulatory purposes, Horizon Asset Management and Kinetics are two separate and distinct companies. Please note that the execution price has been amended for 13.10 GBP to 13.00GBP. --------------------------------------------------------------------------------------------------------- *T Is a Supplemental Form 8 attached? (Note 9) YES/NO -0- *T Date of disclosure 26/01/07 --------------------------------------------------------------------------------------------------------- Contact name Andrew Fishman --------------------------------------------------------------------------------------------------------- Telephone number +1 (646) 495-7347 --------------------------------------------------------------------------------------------------------- If a connected EFM, name of offeree/offeror with which connected --------------------------------------------------------------------------------------------------------- If a connected EFM, state nature of connection (Note 10) --------------------------------------------------------------------------------------------------------- *T 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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