Holding(s) in Company

TR-1: NOTIFICATION OF MAJOR INTEREST IN SHARES 1. Identity of the issuer or the underlying issuer of existing Cadogan shares to which voting rights are attached: Petroleum plc 2 Reason for the notification (please tick the appropriate box or boxes): An acquisition or disposal of voting rights X An acquisition or disposal of qualifying financial instruments which may result in the acquisition of shares already issued to which voting rights are attached An acquisition or disposal of instruments with similar economic effect to qualifying financial instruments An event changing the breakdown of voting rights Other (please specify): 3. Full name of person(s) subject to the Lloyds Banking Group plc notification obligation: 4. Full name of shareholder(s) (if different from See Section 9. 3.): 5. Date of the transaction and date on which the 1 September 2011 threshold is crossed or reached: 6. Date on which issuer notified: 2 September 2011 7. Threshold(s) that is/are crossed or reached: Indirect holdings increased to above 11% 8. Notified details: A: Voting rights attached to shares Class/type of Situation previous Resulting situation after the triggering shares to the triggering transaction transaction if possible Number Number Number Number of voting % of voting using of of of rights rights the ISIN CODE Shares Voting shares Rights Direct Direct Indirect Direct Indirect Ord 3p Shares 23,671,345 23,671,345 25,791,041 11.161% GB00B12WC938 B: Qualifying Financial Instruments Resulting situation after the triggering transaction Type of financial Expiration Exercise/ Number of voting % of voting instrument date Conversion rights that may be rights Period acquired if the instrument is exercised/ converted. C: Financial Instruments with similar economic effect to Qualifying Financial Instruments Resulting situation after the triggering transaction Type of Exercise Expiration Exercise/ Number of % of voting financial price date Conversion voting rights instrument period rights instrument refers to Nominal Delta Total (A+B+C) Number of voting rights Percentage of voting rights 25,791,041 11.161% 9. Chain of controlled undertakings through which the voting rights and/or the financial instruments are effectively held, if applicable: 24,255,533 shares (10.496%) are under the control of Scottish Widows Investment Partnership Ltd, a wholly owned subsidiary of Scottish Widows Investment Partnership Group Ltd, a wholly owned subsidiary of Scottish Widows Group Ltd, a wholly owned subsidiary of Lloyds TSB Bank plc, a wholly owned subsidiary of Lloyds Banking Group plc. Proxy Voting: 10. Name of the proxy holder: N/A 11. Number of voting rights proxy holder will cease to hold: N/A 12. Date on which proxy holder will cease to hold voting rights: N/A 13. Additional information: 14. Contact name: Stefan Bort 15. Contact telephone number: 0207 487 8301
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