Category: Exploration and Development

International Northair Mines Ltd. is pleased to provide an update on current exploration activities underway at its La Cigarra silver project located in north central Mexico.

Excalibur Resources Ltd. is pleased to provide an update on the sampling program at the Catanava property in Pinos, Zacatecas, 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 in the historic Fresnillo — Guanajuato Trend of Mexico, characterized by world-class precious metals mines. The program includes mapping and sampling of old mines and workings, surface mapping and sampling and re-logging of drill holes completed by previous operators. The program is directed at expanding the resources at the Catanava property and providing data for mine planning.

Riverside Resources Inc. is pleased to announce that Riverside and its partner, Cliffs Natural Resources, have commenced drilling at the Naranjo project located in Jalisco, Mexico. The planned five-hole, 1,400 metre reverse-circulation drill program is now underway. The Naranjo project is the second project to be drilled under the Iron Oxide Copper Gold (IOCG) Strategic Alliance between Riverside and Cliffs.

First Majestic Silver Corp. and Orko Silver Corp. are pleased to announce that the companies have entered into a definitive agreement pursuant to which First Majestic has agreed to acquire all of the issued and outstanding common shares of Orko for consideration of 0.1202 of a common share of First Majestic plus $0.0001 in cash per Orko common share. The offer implies a value of C$2.72 per Orko share based on the closing prices of both First Majestic and Orko’s common shares on the Toronto Stock Exchange and TSX Venture Exchange, respectively, on December 14, 2012. The offer represents a premium of approximately 69% to Orko’s 30-day volume-weighted average price for the period ending December 14, 2012. The transaction will be implemented by way of a plan of arrangement under the Business Corporations Act (British Columbia).

Almaden Minerals Ltd. is pleased to announce the discovery of a new area of mineralisation on Almaden’s 100% owned Tuligtic property, Mexico called the Tano zone. Five holes were drilled to test an area of where anomalous gold was detected in soil samples taken previously by the Company. One of the holes intersected significant mineralisation including 2.00 meters of 1.76 g/t gold. The Tano zone is one of several gold in soil anomalies on the greater than 14,000 hectare Tuligtic project that are located outside of the Ixtaca Zone.

Southridge Enterprises Inc. is please to announce that it has signed a Confidentiality Agreement with a major NYSE listed gold mining company regarding both the Cinco Minas and Gran Cabrera properties. Due to terms contained within the CA, the Company is unable to announce either details of the CA or the parties involved.

Sierra Metals Inc. is pleased to report that drilling at the Promontorio Mine of its Cusi property has encountered high grade silver mineralization over wide widths in what the Company believes is a previously-unknown vein within a deeper portion of the mine¡¯s disseminated zone.

Golden Tag Resources Ltd. is pleased to provide an overview of the 2012, Phase 6 drill program.

Primero Mining Corp. today announced that it has entered into a definitive agreement with Cerro Resources NL whereby Primero will acquire all of the issued and outstanding common shares of Cerro by way of a scheme of arrangement under the Australian Corporations Act 2001. Cerro is an exploration and development company whose principal asset is 69%1 of the feasibility stage Cerro Del Gallo project, a gold-silver deposit with approximately 1.0 million ounces of gold equivalent proven and probable reserves and 2.3 million ounces of gold equivalent measured and indicated resources (inclusive of reserves)2, located in the province of Guanajuato, Mexico.

American International Ventures, Inc. has formed its Mexican subsidiary company “Oro De AIVN S.A. de C.V.” to begin its project named the “Motherlode”, a 300 Hectare parcel in the El Alamo mining district, Baja California, Mexico. Oro De AIVN is currently completing the road project to enable the delivery of its mining equipment sitting at the Mexican border awaiting export from San Diego.