Change of Financial Year

For Immediate Release 14 December 2010

Metminco Limited (LSE: MNC)

("the Company")

Metminco Shareholders

Change of Financial Year:

Metminco Limited (ASX:MNC) is changing its financial year from 30 June to 31 December in order to synchronise with its consolidated entities, specifically wholly owned Hampton Mining Limited and its subsidiaries whose financial year is 31 December.

Pursuant to subsections 323D(3) of the Corporation Act 2001 (Cth), Metminco is required to ensure the financial years of its consolidated entities are synchronised with its own financial years.

Metminco will produce an annual report covering the transitional period from 1 July 2010 to 31 December 2010.

About Metminco:

Metminco is a dual ASX and AIM listed company with a portfolio of copper and gold projects in Peru and Chile. The Los Calatos project located in southern Peru has JORC compliant resource of 926 million tonnes, consisting of Indicated Resources of 111 million tonnes at 0.39% Cu and 380ppm Mo and Inferred Resources of 815 million tonnes at 0.37% Cu and 260ppm Mo(at a 0.2% copper cut-off grade).

The Chilean assets include a 50% interest in the Mollacas copper leach project with JORC compliant resources of 17 million tonnes consisting of Indicated Resources of 7.2 million tonnes at 0.56% copper and Inferred Resources of 9.8 million tonnes @ 0.52% copper (at a 0.2% copper cut-off grade); and a 50% interest in the Vallecillo gold zinc project with JORC compliant resources of 10.1 million tonnes consisting of Indicated Resources of 7.9 million tonnes @ 1.14g/tAu; 11.4g/tAg; 1.32% Zn; 0.29% Pb and Inferred Resources of 2.2 million tonnes @ 0.78g/t Au; 8.2g/t Ag; 0.58% Zn; 0.26% Pb (at a cut-off grade of 0.3g/t Au).

For further information please contact:

South America:

William Howe - Managing Director Ph: +56 (2) 411 2600

Australia:

William Etheridge - Director Ph: + 61(0) 419 400 919

Phillip Wing - Director Ph: + 61(0) 412 254 704

Philip Killen - Company Secretary & CFO Ph: + 61(0) 408 609 916

Ian Howarth (Collins St Media) Ph: + 61(0) 407 822 319

United Kingdom:

Tim Read - Director Ph: +44 (0) 7770721809

Stephen Cooper (Investec Bank plc) Ph: +44 (0)20 7597 5104

Martin Lampshire (Daniel Stewart ) Ph: +44 (0)20 7776 6550

Tim Thompson / James Strong / Katharine Sutton Ph +44 (0) 20 7466 5000

(Buchanan Communications)