RNS Number:6980I
Chorion PLC
13 March 2003

                                  Chorion plc

                            Substantial Shareholder


Chorion plc ("Chorion" or the "Company") was informed by UBS Global Asset
Management Life Ltd on 12 March, 2003 that it has an interest in 25,650,107
ordinary shares of 1p each in the Company ("Ordinary Shares"), representing
4.95% of the issued Ordinary Share capital.  The above shares are registered in
the name of Phildrew Nominees Limited.

13 March, 2003


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