12 March 08

Disclosure of Holdings

The company has been advised of an increase in the shareholding of
Morgan Stanley Securities Limited from 5,000,000 to 6,250,000
ordinary shares. Full details follow.

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:

Anglesey Mining 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 financial instruments which may result in the acquisition of shares already issued to which voting rights are attached [ ]
An event changing the breakdown of voting rights [ ]
Other - dilution following issue of shares [ ]

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

Morgan Stanley

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

N/A

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

7 March 2008

6. Date on which issuer notified:

10 March 2008

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

4%

8. Notified details:

A: Voting rights attached to shares

Class/type of shares: Ordinary 1p GB000320472

Situation previous to the Triggering transaction
Number of Shares: 5,000,000
Number of Voting Rights: 5,000,000

Resulting situation after the triggering transaction
Number of Shares - direct - 6,250,000
Number of Voting Rights - direct - 6,250,000
Number of shares - indirect - 0
Number of Voting Rights - indirect - 0
Percentage of Voting Rights - direct 4.09%
Percentage of Voting Rights - indirect - 0

B: Financial Instruments: N/A

Total (A+B)

Number of Voting Rights 6,250,000
Percentage of Voting Rights 4.09%

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

Morgan Stanley Securities Limited 4.09%

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: None

About Anglesey Mining

Anglesey Mining plc is a UK based company listed on the London Stock Exchange with two major projects (in North Wales and Labrador, Canada) under active development towards mining production.

For further information:

Ian Cuthbertson, Finance Director   +(44) 1248 361333

www.angleseymining.co.uk