Holding(s) in Company

Northgate PLC 19 September 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: NORTHGATE 2. Reason for the notification (please state Yes/No): ( ) 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: ( X ) Other (please specify) : ( ) 3. Full name of person(s) subject to the notification obligation: AXA S.A. 25 Avenue Matignon, 75008 Paris and its group of companies 4. Full name of shareholder(s) (if different from 3.): 5. Date of the transaction and date on which the threshold is crossed or reached if different): 17.09.07 6. Date on which issuer notified: 18.09.07 7. Threshold(s) that is/are crossed or reached: 10% 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 0377544 6,906,468 6,906,468 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 0377544 1,122,059 1,122,059 5,956,333 1.59 8.45 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 7,078,392 10.04% 9. Chain of controlled undertakings through which the voting rights and/or the financial instruments are effectively held, if applicable: Name of Company/Fund No. Shares % Issued share capital AXA Sun Life plc (fmly Axa Equity & Law Life Assurance Society plc) 153,175 0.21726 AXA Rosenberg 109,500 0.15531 AXA UK Investment Co ICVC Distribution Fund 25,000 0.03546 AXA UK Investment Co ICVC Ethical Fund 35,000 0.04964 AXA UK Investment Co ICVC Extra Income Fund 5,000 0.00709 AXA UK Investment Co ICVC UK Growth Fund 69,000 0.09787 PPP Healthcare Group plc 15,000 0.02128 Sun Life Assurance Society plc 80,000 0.11347 AXA Rosenberg 88,000 0.12482 AXA Insurance UK 55,760 0.07909 AXA General Unit Trust 185,000 0.26240 AXA Financial, Inc 4,297,068 6.09486 AXA Rosenberg 1,291,071 1.83122 AXA Financial, Inc 49,194 0.06978 Sun Life Unit Assurance Ltd LTAV UK Equity 17,387 0.02466 Sun Life Unit Assurance Ltd ABL High Alpha 53,300 0.07560 Sun Life Unit Assurance Ltd FTSE AH Share Tracker 12,706 0.01802 Sun Life Pensions Management LTAV UK Equity 70,004 0.09929 Sun Life Pensions Management ABL High Alpha 256,600 0.36396 Sun Life Pensions Management FTSE All Share Tracker 63,646 0.09027 AXA Winterthur 146,981 0.20847 7,078,392 10.03982 Proxy Voting: 10. Name of the 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: David Henderson 15. Contact telephone number: 01325 467558 This information is provided by RNS The company news service from the London Stock Exchange

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