EMM Disclosure

ABN AMRO BANK N.V. FORM 38.5 (SUMMARY) Lodge with Company Announcements Office and the Panel. Use a separate form for each class of securities in which dealings have been made. CONNECTED EXEMPT MARKET-MAKERS: DISCLOSURE UNDER RULE 38.5 OF THE CITY CODE ON TAKEOVERS AND MERGERS Name of EMM: ABN AMRO BANK NV London Branch Date of disclosure: 18 MARCH 2005 Contact name: KIRIT DEVSHI Telephone number: +44 (20) 7678 1904 Please see attached disclosure of dealings under Rule 38.5 in the securities of the following companies: AVIVA PLC COX INSURANCE HOLDINGS PLC LONDON STOCK EXCHANGE PLC RAC PLC If the attached Rule 38.5 disclosure is to amend a previous disclosure, please state which element(s) of previous disclosure was incorrect: In the case of option business or dealings in derivatives full details should be given on a separate sheet so that the nature of the dealings can be fully understood. For options this include the number of securities under option, the exercise period (or in the case of exercise, the exercise date), the exercise price and any option money paid or received. For derivative this should include, at least, the number of reference securities to which they relate (when relevant), the maturity date (or if applicable the closing out date) and the reference price. For full details of the disclosure requirements see Rules 8 and 38 of the Code. If in doubt contact the Monitoring Section of the Panel, Tel. No: 020 7638 0129 CONNECTED EXEMPT MARKET-MAKERS: DISCLOSURE UNDER RULE 38.5 OF THE CITY CODE ON TAKEOVERS AND MERGERS Dealing in (name of company): AVIVA PLC Class of security: ORD 25P Date of disclosure: 18 MARCH 2005 Date of dealing: 17 MARCH 2005 Name of EMM: ABN AMRO BANK NV London Branch Name of offeree/offeror with whom connected: RAC PLC Total number of securities purchased: 849,838 Highest price paid* 6.5450 GBP Lowest price paid* 6.4950 GBP Total number of securities sold: 600,765 Highest price received* 6.5400 GBP Lowest price received* 6.4750 GBP CONNECTED EXEMPT MARKET-MAKERS: DISCLOSURE UNDER RULE 38.5 OF THE CITY CODE ON TAKEOVERS AND MERGERS Dealing in (name of company): COX INSURANCE HOLDINGS PLC Class of security: ORD 10P Date of disclosure: 18 MARCH 2005 Date of dealing: 17 MARCH 2005 Name of EMM: ABN AMRO BANK NV London Branch Name of offeree/offeror with whom connected: COX INSURANCE HOLDINGS PLC Total number of securities purchased: Highest price paid* GBP Lowest price paid* GBP Total number of securities sold: 2,500,000 Highest price received* 0.8909 GBP Lowest price received* 0.8909 GBP CONNECTED EXEMPT MARKET-MAKERS: DISCLOSURE UNDER RULE 38.5 OF THE CITY CODE ON TAKEOVERS AND MERGERS Dealing in (name of company): LONDON STOCK EXCHANGE PLC Class of security: ORD 5 5/6P Date of disclosure: 18 MARCH 2005 Date of dealing: 17 MARCH 2005 Name of EMM: ABN AMRO BANK NV London Branch Name of offeree/offeror with whom connected: EURONEXT Total number of securities purchased: 100,000 Highest price paid* 4.7000 GBP Lowest price paid* 4.7000 GBP Total number of securities sold: Highest price received* Lowest price received* CONNECTED EXEMPT MARKET-MAKERS: DISCLOSURE UNDER RULE 38.5 OF THE CITY CODE ON TAKEOVERS AND MERGERS Dealing in (name of company): RAC PLC Class of security: ORD 25P Date of disclosure: 18 MARCH 2005 Date of dealing: 17 MARCH 2005 Name of EMM: ABN AMRO BANK NV London Branch Name of offeree/offeror with whom connected: RAC PLC Total number of securities purchased: 177,462 Highest price paid* 9.3700 GBP Lowest price paid* 9.3650 GBP Total number of securities sold: 182,239 Highest price received* 9.3650 GBP Lowest price received* 9.3650 GBP

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Aviva (AV.)
UK 100

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