Chorion PLC 15 November 2005 Chorion plc ("Chorion" or the "Company") Holding in Company The Company was informed on 14 November 2005 by Canada Life Limited that the Canada Life Group of Companies has an interest in 1,009,088 ordinary shares of 30 pence each in Chorion ("Ordinary Shares"), representing approximately 3.95 per cent. of the Company's issued ordinary share capital. These holdings are registered as follows: Registered Holder No. of Ordinary % Issued Share ------------------- Shares Capital ------------------------- ------------------------ Canada Life Limited 514,295 2.02% CF Canlife Unit Trusts 494,793 1.94% (managed by CFM) -------------- -------------- Total 1,009,088 3.95% ============== ============== 15 November 2005 This information is provided by RNS The company news service from the London Stock Exchange