9 Dec 2009 10:32
| TR-1: NOTIFICATION OF MAJOR INTEREST IN SHARES |
| 1. Identity of the issuer or the underlying issuer of existing shares to which voting rights are attached: | AMERISUR RESOURCES 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 |
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| An acquisition or disposal of instruments with similar economic effect to qualifying financial instruments |
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| An event changing the breakdown of voting rights |
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| Other (please specify): |
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| 3. Full name of person(s) subject to the notification obligation: | REX HARBOUR |
| 4. Full name of shareholder(s) (if different from 3.): |
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| 5. Date of the transaction and date on which the threshold is crossed or reached: | THRESHOLD CROSSED 08/07/2008 WITH A PURCHASE OF 1,000,000 SHARES. PREVIOUS HOLDING 24,755,000 SHARES (828,885,000 SHARES IN ISSUE, THEREFORE 2.98%) |
| 6. Date on which issuer notified: |
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| 7. Threshold(s) that is/are crossed or reached: | BELOW 3% |
| 8. Notified details: | |||||||
| A: Voting rights attached to shares | |||||||
| Class/type of shares if possible using the ISIN CODE | Situation previous to the triggering transaction | Resulting situation after the triggering transaction | |||||
| Number of Shares | Number of Voting Rights | Number of shares | Number of voting rights | % of voting rights | |||
| Direct | Direct | Indirect | Direct | Indirect | |||
| Amerisur Resources Common Stock ISIN GB0032087826 | 24,755,000 | 24,755,000 | 63,300,000 | 63,300,000 |
| 7.6367% |
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Beakdown as follows: As at 01/07/2008 accounts controlled by Rex Harbour held 24,755,000 shares which represented 2.9865% of the shares in issue (828,885,000). Since this date the following purchases be made by accounts controlled by Rex Harbour:
| Account | Trans Date | Quantity | Trans Type | Number of Shares | % of Voting Rights |
| ALL | 01/07/2008 | Opening Position | | 24,755,000 | 2.9865 |
| Harbour | 08/07/2008 | 1,000,000 | Bought | 25,755,000 | 3.1072 |
| City 1 | 21/07/2008 | 500,000 | Bought | 26,255,000 | 3.1675 |
| Harbour | 04/09/2008 | 1,000,000 | Bought | 27,255,000 | 3.2882 |
| City 1 | 08/10/2008 | 900,000 | Bought | 28,155,000 | 3.3967 |
| City 6 | 08/10/2008 | 2,250,000 | Bought | 30,405,000 | 3.6682 |
| Harbour | 08/10/2008 | 1,200,000 | Bought | 31,605,000 | 3.8130 |
| Harbour | 25/11/2008 | 1,000,000 | Bought | 32,605,000 | 3.9336 |
| Harbour | 01/12/2008 | 1,000,000 | Bought | 33,605,000 | 4.0542 |
| Harbour | 04/12/2008 | 1,000,000 | Bought | 34,605,000 | 4.1749 |
| City 1 | 16/07/2009 | 350,000 | Bought | 34,955,000 | 4.2171 |
| City 1 | 24/07/2009 | 2,000,000 | Bought | 36,955,000 | 4.4584 |
| City 1 | 12/08/2009 | 3,000,000 | Bought | 39,955,000 | 4.8203 |
| City 1 | 26/08/2009 | 1,455,000 | Bought | 41,410,000 | 4.9959 |
| Harbour | 02/09/2009 | 2,000,000 | Bought | 43,410,000 | 5.2372 |
| City 1 | 07/10/2009 | 1,200,000 | Bought | 44,610,000 | 5.3819 |
| City 1 | 08/10/2009 | 800,000 | Bought | 45,410,000 | 5.4784 |
| City 1 | 14/10/2009 | 250,000 | Bought | 45,660,000 | 5.5086 |
| City 1 | 15/10/2009 | 900,000 | Bought | 46,560,000 | 5.6172 |
| City 2 | 05/11/2009 | 1,000,000 | Bought | 47,560,000 | 5.7378 |
| City 1 | 12/11/2009 | 2,000,000 | Bought | 49,560,000 | 5.9791 |
| Harbour | 17/11/2009 | 3,000,000 | Bought | 52,560,000 | 6.3410 |
| Harbour | 18/11/2009 | 2,500,000 | Bought | 55,060,000 | 6.6427 |
| Harbour | 19/11/2009 | 500,000 | Bought | 55,560,000 | 6.7030 |
| Harbour | 24/11/2009 | 315,000 | Bought | 55,875,000 | 6.7410 |
| City 1 | 26/11/2009 | 250,000 | Bought | 56,125,000 | 6.7711 |
| City 1 | 26/11/2009 | 600,000 | Bought | 56,725,000 | 6.8435 |
| Harbour | 26/11/2009 | 175,000 | Bought | 56,900,000 | 6.8646 |
| Harbour | 26/11/2009 | 200,000 | Bought | 57,100,000 | 6.8888 |
| City 1 | 02/12/2009 | 750,000 | Bought | 57,850,000 | 6.9793 |
| City 1 | 03/12/2009 | 250,000 | Bought | 58,100,000 | 7.0094 |
| City 1 | 03/12/2009 | 2,000,000 | Bought | 60,100,000 | 7.2507 |
| Gamma | 03/12/2009 | 1,225,000 | Bought | 61,325,000 | 7.3985 |
| Harbour | 03/12/2009 | 1,225,000 | Bought | 62,550,000 | 7.5463 |
| City 1 | 04/12/2009 | 500,000 | Bought | 63,050,000 | 7.6066 |
| City 2 | 04/12/2009 | 250,000 | Bought | 63,300,000 | 7.6368 |
| B: Qualifying Financial Instruments | ||||
| Resulting situation after the triggering transaction | ||||
| Type of financial instrument | Expiration date | Exercise/ Conversion Period | Number of voting rights that may be acquired if the instrument is exercised/ converted. | % of voting rights |
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| C: Financial Instruments with similar economic effect to Qualifying Financial Instruments | ||||||
| Resulting situation after the triggering transaction | ||||||
| Type of financial instrument | Exercise price | Expiration date | Exercise/ Conversion period | Number of voting rights instrument refers to | % of voting rights | |
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| Nominal | Delta |
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| Total (A+B+C) | |
| Number of voting rights | Percentage of voting rights |
| 63,300,000 | 7.6368% |
| 9. Chain of controlled undertakings through which the voting rights and/or the financial instruments are effectively held, if applicable: |
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| Proxy Voting: | |
| 10. Name of the proxy holder: |
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| 11. Number of voting rights proxy holder will cease to hold: |
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| 12. Date on which proxy holder will cease to hold voting rights: |
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| 13. Additional information: | All of the above holding are held in a nominee account with Pershings Securities Ltd |
| 14. Contact name: | Jonathan Sleath - Williams de Broe |
| 15. Contact telephone number: | 0207 072 7538 |