Category: Exploration and Development

Thompson Falls, Montana. United States Antimony Corporation announced mill assays on another 880 metric tons from the Minas Grande open pit at the Los Juarez silver-antimony-gold property averaged 1.13 % antimony, 7.32 ounces of silver (227 grams) per metric ton, and 0.09 ounces of gold (2.8 grams) per metric ton. The average mill recovery of these metals was 78% of the antimony, 80.5% of the silver, and 86% of the gold. Other zones besides Minas Grande are now being milled along the 3.5 kilometer (2.18 mile) strike and those results will be forthcoming. There is no assurance that these values will continue in other areas of the property.

Gold Resource Corporation is pleased to announce a new high-grade gold and silver zone at its Arista vein system with intercepts including 9.23 grams (0.27 ounces) per tonne gold and 1,039 grams (33.34 ounces) per tonne silver over 2.9 meters. Gold Resource Corporation is a low-cost gold and silver producer with operations in the southern state of Oaxaca, Mexico. The Company has returned over $75 million to shareholders in monthly dividends since declaring commercial production July 1, 2010, and offers shareholders the option to convert their cash dividends into physical gold and silver.

Excalibur Resources Ltd. is pleased to provide an update on the sampling program at the Catanava property in Pinos, Zacatecas State, Mexico. Pinos has been mined since 1546 and was one of only three bonanza gold districts discovered by the Spanish in Mexico. It is located along the historic Fresnillo — Guanajuato Trend of Mexico, characterized by world-class precious metals mines. The program includes mapping and sampling of old mine workings, surface mapping and re-logging and sampling of drill holes completed by previous operators. The program is directed at expanding the resources at the Catanava property and in providing data for mine development planning.

“We are very pleased to have Sun River Gold Corp. as both an investor and innovative partner in the Tailings project. The Tailings Project is a potential opportunity for short term cash flow and this agreement allows us access to both capital and technology to advance this opportunity” commented Joanne Freeze, President and CEO of CDG.

Capstone Mining Corp. today announced the results of an updated National Instrument 43-101 compliant mineral resource estimate for the Mala Noche Footwall Zone at the Cozamin Mine in Zacatecas, Mexico. Drilling in the MNFWZ since the last resource update in February of 2012 has converted 92 million pounds of copper from the Inferred category to the Indicated category. This reflects drilling that was completed in the latter half of 2011 and most of 2012 that was not included in the last estimate. At a US$35 net smelter return cut-off grade, the Cozamin Mine’s total Measured and Indicated mineral resources at December 31, 2012, including adjustments for mining, were 430 million pounds of copper.

Solitario Exploration & Royalty Corp. is pleased to announce that it has signed a binding Letter of Intent with Minera Hochschild México S.A. de C.V., a 100%-owned subsidiary of Hochschild Mining plc on Solitario’s Pachuca Norte silver-gold project in central Mexico. Solitario’s 100%-owned Pachuca Norte project (formerly called “Pachuca Real”), encompasses approximately 19,000 hectares of mineral rights in and around the famed Pachuca silver-gold mining district. Historic production from the Pachuca district totals approximately 1.4 billion ounces of silver and over 7.0 million ounces of gold, making it one of the largest silver-gold districts in the world. A map of the project area can be viewed on Solitario’s website at http://www.solitarioxr.com/art/PachucaNorte.pdf.

Labriegos de la región de Ixtacamaxtitlan pidieron que la Comisión Nacional del Agua (CNA) realice una investigación para deslindar responsabilidades sobre el agua que está utilizando la minera canadiense Almadels Minerals en la comunidad de Tulixtic pues advirtieron que el líquido no está siendo provisto con permiso de esa comunidad.

Santacruz Silver Mining Ltd. is pleased to announce that pursuant to the San Felipe Agreement with Hochschild Mining, dated August 18, 2011, it has exercised its option to acquire the 48,057.33 hectare El Gachi project located 30 kilometers from the San Felipe project in Sonora state.

VVC Exploration Corporation is pleased to announce the optioning by VVC Exploración de México S. de R.L of the La Tuna Property to Exploración Río Placer S. A. de C. V. in consideration for payments aggregating US$3,520,000 payable over a 12 year period ending on December 31, 2025, and the retention by VVC Mexico of a 1% Net Smelter Return Royalty with a buy-back option for US$1,000,000. During the term of the option the Optionee will have exclusive mining rights to the La Tuna Property. The US$3,520,000 aggregate payment includes (1) the US$500,000 required to acquire 100% interest in the Concessions, and (ii) the 1% installment payment payable on a monthly basis on every dry metric tonne of ore processed. The Optionee can at his discretion terminate the option at any time by provide the proper notices provided in the Option Agreement.

A Mexican Indian community is demanding that a Candian mining company be stripped of seven concessions, accusing it of carrying out illegal exploration work.