Holding(s) in Company

TR-1 Notifications of Major Interests in Shares

1. Identity of the issuer or the underlying issuer of existing shares to which voting rights are attached:

Avocet Mining Plc

2. Reason for notification 

A disposal of voting rights

3. Full name of person(s) subject to notification obligation:

BlackRock Inc.

4. Full name of shareholder(s) (if different from 3):

N/A

5. Date of transaction (and date on which the threshold is crossed or reached if different):

1 August 2008

6. Date on which issuer notified:

5 August 2008

7. Threshold(s) that is/are crossed or reached:

10%

8: Notified Details

A: Voting rights attached to shares

Class/type of shares

If possible use 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

Percentage of voting rights

Direct

Indirect

Direct

Indirect

GB0000663038

12,342,180

12,342,180

11,912,718

9.85

B: Financial Instruments

Resulting situation after the triggering transaction

Type of financial instrument

Expiration date

Exercise/ conversion period/date 

No. of voting rights that may be acquired (if the instrument exercised/converted)

Percentage of voting rights

N/A

N/A

N/A

N/A

N/A

Total (A+B)

Number of voting rights

Percentage of voting rights

11,912,718

9.85

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

BlackRock Investment Management (UK) Limited - 11,912,718 (9.85%)

Proxy Voting:

10. Name of 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:

N/A

14 Contact name:

15. Contact telephone name: