Holding(s) in Company

Genus PLC 28 March 2007 TR-1: NOTIFICATION OF MAJOR INTERESTS IN SHARES (1). Identity of the issuer or the underlying issuer of existing shares to which voting rights are attached: Genus Plc Sedol 0207458 2. Reason for the notification (please state Yes/No): ( ) An acquisition or disposal of voting rights: ( X ) An acquisition or disposal of financial instruments which may result in the acquisition of shares already issued to which voting rights are attached: ( ) An event changing the breakdown of voting rights: ( ) Other (please specify) : ( ) 3. Full name of person(s) subject to the notification obligation: 1 Lansdowne Partners Limited being the General Partner of Lansdowne Partners Limited Partnership 2 Lansdowne UK Equity Fund Limited 3 Lansdowne Partners International Limited 4. Full name of shareholder(s) (if different from 3.): Morstan Nominees Ltd (Registered Shareholder) 5. Date of the transaction and date on which the threshold is crossed or reached if different): 21/3/2007 6. Date on which issuer notified: 28/3/2007 7. Threshold(s) that is/are crossed or reached: 5% 8. Notified details: A: Voting rights attached to shares Class/type of shares Situation previous to if possible using the the Triggering ISIN CODE transaction Number of shares Number of voting Rights Ordinary 2,527,338 2,527,338 Shares Resulting situation after the triggering transaction Class/type of shares Number of shares Number of voting rights % of voting rights if possible using the ISIN CODE Direct Direct Indirect Direct Indirect 0 0 2,795,243 0.0% 5.01% B: Financial Instruments Resulting situation after the triggering transaction Type of Expiration Date Exercise/Conversion Number of voting % of voting financial Period/ Date rights that may be rights instrument acquired if the instrument is exercised/ converted. Total (A+B) Number of voting rights % of voting rights 2,795,243 5.01% 9. Chain of controlled undertakings through which the voting rights and/or the financial instruments are effectively held, if applicable: Lansdowne Partners International Limited is the parent undertaking of Lansdowne Partners Limited. Proxy Voting: 10. Name of the proxy holder: Lansdowne Partners Limited 11. Number of voting rights proxy holder will cease to hold: 12. Date on which proxy holder will cease to hold voting rights: 13. Additional information: 1 Lansdowne Partners Limited being the General Partner of Lansdowne Partners Limited Partnership ('LPLP') controls 2,795,243 voting rights representing 5.01% 2 Lansdowne UK Equity Fund Limited owns 2,661,747 voting rights representing 4.77% The balancing 0.24% of shares is held on behalf of other client funds managed by LPLP 14. Contact name: Lois Molloy 15. Contact telephone number: +44 20 7290 5505 This information is provided by RNS The company news service from the London Stock Exchange LJPMMTMMBTTJR

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