Crystal Amber Regulatory News (CRS)

For filings with the FSA 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 of existing shares to which voting rights are Crystal Amber Fund Limitedattached:ii 2. Reason for the notification (please tick the appropriate box or boxes): An acquisition or disposal of voting rights

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): Change in Share Capital

X

3. Full name of person(s) subject to the Invesco Limited notification obligation:iii 4. Full name of shareholder(s) (if different from 3.):iv 5. Date of the transaction and date on which the threshold is crossed or 02 January 2013 reached: v 6. Date on which issuer notified: 14 January 2013 - Late

Notification

7. Threshold(s) that is/are crossed or 30% reached: vi, vii 8. Notified details: A: Voting rights attached to shares viii, ix Class/type Situation previous Resulting situation after the triggering transaction of to the triggering shares transaction Number Number Number Number of voting % of voting rights xif possible of of of rights using Shares Voting shares the ISIN Rights CODE Direct Direct xi Indirect Direct Indirect xii GG00B1Z2SL48 17,700,000 17,700,000 17,700,000 30.00% Ordinary 1p Shares B: Qualifying Financial Instruments Resulting situation after the triggering transaction Type of Expiration Exercise/ Number of voting % of voting financial date xiii Conversion Period xiv rights that may be rights instrument acquired if the instrument is exercised/ converted. C: Financial Instruments with similar economic effect to Qualifying Financial Instruments 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, xx instrument period xviii Nominal Delta Total (A+B+C) Number of voting rights Percentage of voting rights 17,700,000 30.00%

9. Chain of controlled undertakings through which the voting rights and/or the financial instruments are effectively held, if applicable: xxi

Invesco Fund Managers Limited - 17,700,000 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: Samantha Edwards 15. Contact telephone number: 01491

416381