RNS Number:9593I
23 February 2005

Corus Group plc (the "Company")
SECTION 198 COMPANIES ACT 1985 - DISCLOSURE OF INTERESTS IN SHARES

This notification relates to the ordinary shares of the Company (the "shares")
and is given in fulfilment of the obligations imposed under Section 198 of the
Companies Act 1985 (the "Act").

Corus Group received notification today that, on 18 February 2005, following
acquisitions, the CSFB Group of companies (as defined below) held the following
interests in the issued share capital of the Company:
1. Credit Suisse First Boston International ("CSFBi"): 3,191,995 shares.
2. Credit Suisse First Boston (Europe) Limited ("CSFBEL"): 20,758,772 shares.
3. However, CSFBEL has an interest in 655,763,942 shares under section 208(5) of
the Act by virtue of the right to re-delivery of equivalent securities under
stock lending arrangements. Credit Suisse First Boston ("CSFB") also has an
interest in 454,826,632 of these shares under section 208(5) of the Act, as
CSFBEL borrowed the 454,826,632 shares from CSFB.
4. Credit Suisse First Boston LLC ("CSFBLLC"): 0 shares

The CSFB Group of Companies held a total interest of 679,714,709 shares
(655,763,942 shares by virtue of stock lending arrangements), being equivalent
to approximately 15.31% of the issued share capital of the Company (based on the
number of shares in issue being 4,439,750,775).

CSFBi, CSFBEL, CSFB and CSFBLLC are members of the Credit Suisse First Boston
group of companies ("CSFB Group"). Those group companies which are direct or
indirect holding companies of CSFBi, CSFBEL, CSFB and CSFBLLC are, under the
terms of section 203 of the Act, each interested by attribution in any shares in
which CSFBi, CSFBEL, CSFB and CSFBLLC are interested.

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