Holding(s) in Company

For filings with the FCA include the annex For filings with issuer exclude the annex TR-1: NOTIFICATION OF MAJOR INTEREST IN SHARESi 1. Identity of the issuer or the underlying issuer Crystal Amber Fundof existing shares to which voting rights are Limitedattached:ii 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 resultin the acquisition of shares already issued to which voting rights are attached An acquisition or disposal of instruments with similar economic effect toqualifying financial instruments An event changing the breakdown of voting rights Other (please specify): Transaction in own shares X 3. Full name of person(s) subject to the Invesco Limitednotification obligation:iii 4. Full name of shareholder(s) (if different from 3.):iv 5. Date of the transaction and date onwhich the threshold is crossed or 21 August 2013reached: v 6. Date on which issuer notified: 22 August 2013 7. Threshold(s) that is/are crossed or 31%, 30% & 29%reached: vi, vii 8. Notified details: A: Voting rights attached to shares viii, ix Class/type Situation previous Resulting situation after the triggering transactionof to the triggeringshares transaction Number Number Number Number of voting % of voting rights xif possible of of of rightsusing Shares Voting sharesthe ISIN RightsCODE Direct Direct xi Indirect Direct Indirect xiiOrdinary 1pShares 17,700,000 17,700,000 21,664,111 29.55% GG00B1Z2SL48 B: Qualifying Financial Instruments Resulting situation after the triggering transaction Type of Expiration Exercise/ Number of voting % of votingfinancial date xiii Conversion Period xiv rights that may be rightsinstrument acquired if the instrument is exercised/ converted. C: Financial Instruments with similar economic effect to Qualifying FinancialInstruments xv, xvi Resulting situation after the triggering transaction Type of Exercise price Expiration date Exercise/ Number of voting rights % of voting rightsfinancial xvii Conversion instrument refers to xix, xxinstrument period xviii Nominal Delta Total (A+B+C) Number of voting rights Percentage of voting rights 21,664,111 29.55% 9. Chain of controlled undertakings through which the voting rights and/or thefinancial instruments are effectively held, if applicable: xxi Invesco Fund Managers Limited - 21,664,111 Proxy Voting: 10. Name of the proxy holder: 11. Number of voting rights proxy holder will ceaseto hold: 12. Date on which proxy holder will cease to holdvoting rights: 13. Additional information: 14. Contact name: Philippa Sadler 15. Contact telephone number: 01491 416447