Notice of Major Interest in Shares

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:

Metminco Limited

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

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):

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

Black Rock Investment Management Limited (Australia) and associated entities

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

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

 11/04/2012

6. Date on which issuer notified:

 07/06/2012

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

 6%

8. Notified details:

A: Voting rights attached to shares

Class/type ofshares

if possible usingthe ISIN CODE

Situation previousto the triggeringtransaction

Resulting situation after the triggering transaction

NumberofShares

NumberofVotingRights

Numberof shares

Number of votingrights

% of voting rights

Direct

Direct

Indirect

Direct

Indirect

Ordinary Shares AU000000MNC7

 87,680,732

 105,307,987

 6.02%

B: Qualifying Financial Instruments

Resulting situation after the triggering transaction

Type of financialinstrument

Expirationdate

Exercise/ConversionPeriod

Number of votingrights that may beacquired if theinstrument isexercised/ converted.

% of votingrights

C: Financial Instruments with similar economic effect to Qualifying Financial Instruments

Resulting situation after the triggering transaction

Type of financialinstrument

Exerciseprice

Expirationdate

Exercise/Conversionperiod

Number of votingrights instrumentrefers to

% of voting rights

Nominal

Delta

Total (A+B+C)

Number of voting rights

Percentage of voting rights

 105,307,987

6.02%

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

260,402 Ordinary Shares - BlackRock Investment Management (Aust) Ltd

500,000 Ordinary Shares - BlackRock Investment Management (Korea) Ltd.

599,266 Ordinary Shares - BlackRock Fund Advisors

614,010 Ordinary Shares - BlackRock Advisors, LLC

1,655,602 Ordinary Shares - BlackRock Asset Management Australia Limited

2,608,594 Ordinary Shares - BlackRock Institutional Trust Company,

3,000,000 Ordinary Shares - BlackRock (Channel Islands) Ltd

8,000,000 Ordinary Shares - BlackRock Japan Co. Ltd.

16,171,264 Ordinary Shares - BlackRock Investment Management (UK) Ltd

71,898,849 Ordinary Shares - BlackRock Investment Management (LUX)

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:

Metminco Limited

14. Contact name:

Phil Killen

15. Contact telephone number:

 +61 (0)2 9460 1856