Credit Agricole S.A. 13 October 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) CREDIT AGRICOLE S.A. Company dealt in Great Portland Estates Plc Class of relevant security to which the dealings ORDINARY SHARES being disclosed relate (Note 2) (ISIN GB00B01FLL16) Date of dealing 12/10/06 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 1,894,262 1.1590% (2) Derivatives (other than options) (3) Options and agreements to purchase/ sell Total 1,894,262 1.1590% (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 Purchase/sale Number of securities Price per unit (Note 5) Purchase 2,288 6.1411 (b) Derivatives transactions (other than options) Product name, Long/short (Note Number of securities Price per unit e.g. CFD 6) (Note 7) (Note 5) (c) Options transactions in respect of existing securities (i) Writing, selling, purchasing or varying Product Writing, Number of Exercise Type, e.g. Expiry Option name,e.g. selling, securities price American, date money paid/ call purchasing, to which European received option varying etc. the option etc. per unit relates (Note 5) (Note 7) (ii) Exercising Product name, e.g. Number of securities Exercise price per unit (Note 5) call option (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 13/10/06 Contact name Kai Ting Chiang Telephone number 0207 214 5250 If a connected EFM, name of offeree/offeror with N/A which connected If a connected EFM, state nature of connection N/A (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