Candente Copper Commences Feasibility Study on the Canariaco Norte Copper Project

Candente Copper Corp. (TSX: DNT)(PINK SHEETS: CDOUF)(BVLAC: DNT) ("Candente Copper") is pleased to announce that it has commenced a Feasibility Study ("FS") on its 100% owned Canariaco Norte Copper Project in northern Peru. The Feasibility Study is under the direction of AMEC Americas Limited ("AMEC").

A Pre-Feasibility Study Progress Report ("PFSPR") was completed by AMEC on March 11th, 2011 and is available for download from Candente Copper's website at:

http://www.candentecopper.com/s/PeruProjects_Canariaco.asp

Monthly Copper Production Record in March and First Quarter Production Results

Mercator Minerals Ltd. (TSX:ML) ("Mercator", or the "Company") is pleased to announce that its wholly-owned Mineral Park Mine in Arizona produced a monthly record 3,859,978 pounds of copper in March. In addition Mineral Park produced 417,491 pounds of molybdenum, and 52,813 ounces of silver. For the first quarter, Mineral Park produced 9,488,549 pounds of copper, as compared to guidance of 9.3 million pounds; molybdenum production was 1,008,517 pounds as compared to guidance of 900,000 pounds, and silver produced was 158,668 ounces.

Nevada Copper Receives All Permits for Underground Development

Nevada Copper Corp. (TSX: NCU) ("Nevada Copper") Nevada Copper is very pleased to announce the receipt of all State and County permits ("the Advanced Exploration permits") required to commence development of underground access to the Eastern deposits of the Pumpkin Hollow Project. This underground access will then be further developed for possible future mining as the project advances.

The Nevada Division of Environmental Protection ("NDEP") has now finalized the three permits needed to move forward on this phase of the project. These are:

-- Water Pollution Control Permit for underground development and storage of mine rock on the surface; -- Second Water Pollution Control Permit for dewatering and re-infiltration of the groundwater that is pumped from underground workings; and, -- Reclamation permit.

NGEx Drills 701 Metres of 0.67% Copper and 0.30 g/t Gold in Hole LH-16 at Los Helados, Chile

NGEx Resources Inc. (TSX: NGQ) ("NGEx" or the "Company") is pleased to announce results from a further four diamond drill holes completed this season at the Los Helados project located in Chile's Region 3. These results from holes LH-15 to LH-18 follow results from LH-12 to LH-14 released on February 22, 2011. LH-16 is the best hole drilled to date at Los Helados in terms of thickness and grade of copper-gold mineralization. Of particular interest is the fact that there are significant intervals of greater than 0.8% copper in LH-16, LH-17, and LH-18 including 32 metres of 1.1% copper and 0.56 grams/tonne gold in LH-16. Gold is present from top to bottom in all four holes. The four holes reported today are part of an on-going drill program that will total at least 10 to 12 holes and is expected to continue until the end of the summer exploration season in late-April.