Jt. Cautionary Announcement

CGNU PLC 15 June 2000 CGNU plc - SOUTH AFRICAN GENERAL INSURANCE BUSINESS The joint announcement below, concerning the proposed sale of CGNU's 51% stake in its South African general insurance subsidiary, has been released in South Africa today. The subsidiary, referred to as 'CGU' in the announcement, is a listed company in South Africa. Enquiries: Steve Riley, Investor Relations Director +44 (0)20 7662 8115 JOINT CAUTIONARY ANNOUNCEMENT Shareholders are advised that negotiations are in progress between Mutual & Federal and the major shareholders of CGU, being CGNU plc and Metropolitan who together hold approximately 79% of the issued share capital of CGU. In the event that these negotiations are successful, it would be the intention of Mutual & Federal to acquire the entire issued share capital of CGU. Such negotiations, if successfully concluded, may have a material effect on the share prices of CGU, Metropolitan and Mutual & Federal. Shareholders are accordingly advised to exercise caution when dealing in their Mutual & Federal, CGU and Metropolitan shares until a further announcement is made.

Companies

Aviva (AV.)
UK 100