Kaupthing Bank hf 20 March 2008 FORM 8.3 DEALINGS BY PERSONS WITH INTERESTS IN SECURITIES REPRESENTING 1% OR MORE (Rule 8.3 of the Takeover Code) 1. KEY INFORMATION Name of person dealing (Note 1) Kaupthing Bank hf Company dealt in Mitchells & Butlers Plc Class of relevant security to which the Ordinary Shares dealings being disclosed relate (Note 2) Date of dealing 19 March 2008 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 securities 56,342 (0.01%) (2) Derivatives (other than options) 73,718,300 73,718,300 (18.29 %) (18.29 %) (3) Options and agreements to purchase/sell 50,000 (0.01%) Total 73,824,642 73,718,300 (18.32%) (18.29 %) (b) Interests and short positions in relevant securities of the company, other than the class dealt in (Note 3) Class of relevant security: 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 Buy 9,396,687 350.00p Buy 882,204 303.26p Buy 9,396,687 350.00p Buy 203,156 310.20p Buy 50,000 315.00p Buy 50,000 308.50p Buy 50,000 307.00p Buy 700,000 302.00p Buy 40,000 288.77p Buy 45,000 289.08p Buy 94,048 294.86p Buy 15,000 303.00p Sell 18,793,374 350.00p Sell 203,156 310.20p Sell 6,600 310.00p Sell 2,220 307.50p Sell 1,021 307.75p Sell 6,014 307.25p Sell 3,013 306.75p Sell 1,484 307.00p Sell 5,094 309.00p Sell 3,600 310.75p Sell 21,465 311.00p Sell 6,635 313.00p Sell 9,836 312.75p Sell 36,085 312.00p Sell 48,358 309.25p Sell 8,206 310.50p Sell 43,525 311.50p Sell 100,000 315.00p Sell 50,000 308.50p Sell 25,000 309.00p Sell 25,000 308.00p Sell 100,000 307.00p Sell 350,000 302.60p Sell 700,000 302.00p Sell 1,260 295.00p Sell 40,000 288.77p Sell 7,500 290.00p Sell 12,250 289.00p Sell 5,000 289.50p Sell 2,911 289.00p Sell 45,000 289.08p Sell 15,000 287.25p Sell 30,000 290.00p Sell 94,048 294.86p Sell 2,308 284.00p Sell 13,158 287.50p Sell 10,877 285.00p Sell 22,379 286.75p Sell 5,000 290.25p Sell 1,536 291.25p Sell 7,500 292.00p Sell 4,168 293.00p Sell 4,502 296.25p Sell 1,000 296.75p Sell 3,000 291.00p Sell 24 298.50p Sell 4,218 296.25p Sell 1,680 297.75p Sell 4,566 294.25p Sell 2,211 305.00p Sell 32,000 315.00p (b) Derivatives transactions (other than options) Product name, Long/short (Note 6) Number of securities (Note 7) Price per unit (Note 5) e.g. CFD CFD Long 9,396,687 350.00p CFD Short 9,369,687 350.00p CFD Long 9,369,687 350.00p CFD Short 9,369,687 350.00p (c) Options transactions in respect of existing securities (i) Writing, selling, purchasing or varying Product name, Writing, selling, Number of securities Exercise Type, e.g. Expiry Option money purchasing, to which the option American, e.g. call option varying etc. relates (Note 7) price European etc. date paid/received per unit (Note 5) (ii) Exercising Product name, e.g. call option Number of securities Exercise price per unit (Note 5) (d) Other dealings (including new securities) (Note 4) Nature of transaction (Note 8) Details Price per unit (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. No voting rights on CFD holdings Is a Supplemental Form 8 attached? (Note 9) Yes Written or Number of securities Exercise price Type, e.g. Expiry date purchased to which the option or (Note 2) American, Product name, derivative relates European etc. e.g. call option Call Option Purchased 30,000 27.50 American 20/06/08 Call Option Purchased 20,000 34.50 American 20/06/08 Date of disclosure 20 March 2008 Contact name Richard Easton Telephone number 0203 205 6620 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 This information is provided by RNS The company news service from the London Stock Exchange