RNS Number:2890T
Chorion PLC
15 December 2003


                          Chorion plc ("the Company")

                            Substantial Shareholder

The Company was informed by Merril Lynch Investment Managers on 15 December 2003 
that it has an interest in 716,494 ordinary shares of 30p each in the Company
("Ordinary Shares"), representing 4.15% of the issued Ordinary Share capital.
The above shares are registered in the name of BNY Trust Company Ltd.


15 December 2003



                      This information is provided by RNS
            The company news service from the London Stock Exchange

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