Aviva PLC 22 March 2006 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 (Note 1) AVIVA PLC AND ITS SUBSIDIARIES Company dealt in MITCHELLS & BUTLER PLC Class of relevant security to which the ORD GBP0.070833 dealings being disclosed relate (Note 2) Date of dealing 21 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 securities 23,479,272 4.791% 0 0% (2) Derivatives (other than options) 0 0% 0 0% (3) Options and agreements to purchase/sell 0 0% 0 0% Total 23,479,272 4.791% 0 0% (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 0 0% 0 0% (2) Derivatives (other than options) 0 0% 0 0% (3) Options and agreements to purchase/sell 0 0% 0 0% Total 0 0% 0 0% (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 (Note 5) SALE 34,350 GBP4.733800 (b) Derivatives transactions (other than options) Product name, e.g. Long/short (Note 6) Number of securities (Note 7) Price per unit (Note 5) CFD (c) Options transactions in respect of existing securities (i) Writing, selling, purchasing or varying Product name,e.g. Writing, Number of Exercise Type, e.g. Expiry Option moneypaid call option selling, securities to which price American, date /received per purchasing, the option relates European etc. unit (Note 5) varying etc. (Note 7) (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. .............................................................................. .............................................................................. Is a Supplemental Form 8 attached? (Note 9) NO Date of disclosure 22 MARCH 2006 Contact name NEIL WHITTAKER Telephone number 01603 684420 If a connected EFM, name of offeree/offeror with which N/A connected If a connected EFM, state nature of connection (Note 10) N/A 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