Tintina Drills 23.66 Meters Grading 5.45% Copper on Its 100% Owned High Grade Black Butte Copper Project, Montana, USA

Tintina Resources Inc. ("Tintina" or the "Company") (TSX-VENTURE:TAU)(OTCQX:TINTF) is pleased to announce it has received assay results for fifteen (15) new drill holes from the company's flagship Black Butte Copper Project, located in central Montana, USA (see table 1). These in-fill drill holes completed in late 2012 in the Lowry Deposit Middle Zone together with earlier drilling results will form the basis for a new Lowry Deposit Middle Zone resource estimate, expected in Q2 of 2013.

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Hana Mining Intersects 4.03% Cu and 50.7g/t Ag Over 14 m Further Increasing the Size and Underground Potential of the Zone 5 Deposit

 Hana Mining Ltd. ("Hana" or the "Company") (TSX VENTURE:HMG)(FRANKFURT:4LH)(BOTSWANA:HANA) is pleased to announce further positive drill results from three deep exploration drill holes at Zone 5 of the Ghanzi sediment hosted Copper-Silver Project in Botswana (Figure 1).

Highlights of deep drilling exploration results:

NovaCopper adds Inferred Resources Containing an Estimated 2.4 Billion Pounds of High-Grade Copper from the South Reef Zone at its Bornite Project in Alaska

- Total contained copper in resources at the Bornite Project increased by 227% - Mineralization is still open-expansion drilling planned for 2013 - South Reef Inferred Resource of 43.1 million tonnes at 2.54% Cu containing 2.4 Billion lbs of copper at 1% copper cutoff grade

NovaCopper Inc. (NCQ.TO)(NYSE MKT:NCQ) ("NovaCopper" or "the Company") is pleased to announce the release of an initial National Instrument 43-101 ("NI 43-101") compliant mineral resource estimate for the South Reef zone of the Bornite Project for its Upper Kobuk Mineral Projects ("UKMP") located in the highly prospective Ambler mining district in northwestern Alaska.

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First Quantum Minerals Announces Open Letter to Inmet Shareholders Responding to the Inmet Board's Directors' Circular

First Quantum Minerals Ltd. ("First Quantum") (TSX:FM)(LSE:FQM) today announced that it has posted on its website at www.first-quantum.com the following open letter to the holders of common shares of Inmet Mining Corporation ("Inmet") in response to Inmet's announcement that its Board of Directors has mailed its Directors' Circular relating to First Quantum's offer for the issued and outstanding Inmet common shares:

Dear Holders of Inmet Common Shares,

We note the announcement by Inmet on 22 January 2013 that the Inmet Board has sent to you its Directors' Circular responding to our offer for your Inmet shares.

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Tinka Drills 70 metres of 4.8% Zinc (Including 19 metres of 9.0% Zinc) and 18.5 metres of 6.6% Zinc at Ayawilca Project, Peru

 Tinka Resources Limited (the "Company"), (TSXV - TK; Frankfurt - TLD; Pinksheets -TKRFF), announces additional results from the Company's ongoing drill campaign at the Ayawilca project located in west-central Peru.

Mr Carter said: "We are extremely pleased with these results as they continue to demonstrate the presence of strong zinc mineralization within the IP anomaly at Ayawilca. Drilling will continue to test the geophysical conductors."

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