Holding(s) in Company

Cohort PLC 29 October 2007 For filings with the FSA include the annex For filings with issuer exclude the annex TR-1: Notifications of Major Interests in Shares 1. Identity of the issuer or the underlying issuer of existing shares to which voting rights are attached: COHORT PLC 2. Reason for notification (please place an X inside the appropriate bracket/s): An acquisition or disposal of voting rights: ( ) 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) : Change in issued share capital (YES) 3. Full name of person(s) subject to notification obligation: INVESCO PLC 4. Full name of shareholder(s) (if different from 3) : 5. Date of transaction (and date on which the threshold is crossed or reached if different): 17 OCTOBER 2007 (LATE NOTIFICATION) 6. Date on which issuer notified: 24 OCTOBER 2007 7. Threshold(s) that is/are crossed or reached: 4%,5% 8. Notified Details: A: Voting rights attached to shares Class/type of shares Situation previous to if possible use the Triggering transaction ISIN CODE Number of shares Number of voting Rights ORDINARY 10P SHARES GB00BOYD2B94 1,640,667 1,640,667 Resulting situation after the triggering transaction Class/type of shares Number of shares Number of voting rights % of voting rights if possible use ISIN CODE Direct Indirect Direct Indirect 1,640,667 1,640,667 4.08% B: Financial Instruments Resulting situation after the triggering transaction Type of Expiration date Exercise/conversion No. of voting % of voting financial period/date rights that may rights instrument be acquired (if the instrument exercised/ converted) Total (A+B) Number of voting rights % of voting rights 1,640,667 4.08% 9. Chain of controlled undertakings through which the voting rights and/or the financial instruments are effectively held, if applicable: JP MORGAN CHASE - 495,050 VIDACOS NOMINEES - 1,145,617 Proxy Voting: 10. Name of proxy holder: 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: 14. Contact name: ROSALIND MCDONALD 15. Contact telephone number: 01491 417404 For notes on how to complete form TR-1 please see the FSA website. This information is provided by RNS The company news service from the London Stock Exchange

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Cohort (CHRT)
UK 100

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