Chorion PLC 13 February 2006 Chorion plc ("Chorion" or the "Company") Holding in Company The Company was informed on 10 February 2006 by Canada Life Limited that the Canada Life Group of Companies has an interest in 1,105,278 ordinary shares of 30 pence each in Chorion ("Ordinary Shares"), representing approximately 4.33 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 562,938 2.21% CF Canlife Unit Trusts (managed by CFM) 542,340 2.12% -------------- -------------- Total 1,105,278 4.33% ============== ============== 13 February 2006 This information is provided by RNS The company news service from the London Stock Exchange