Riverside Resources and Partner Sierra Madre Expand Gold Potential in Western Extension at the El Capitan Gold Zone; 2,500m Next Phase Drill Testing Set to Commence

Riverside Resources Inc. and its partner, Sierra Madre Developments are pleased to announce positive assay results including greater than 1 g/t gold in soils from a detailed soil sampling program designed to assess potential western extensions of the El Capitan oxide gold zone at the Penoles Project in Durango, Mexico.

Excellon Reports 2011 Year End Results

Excellon Resources Inc., Mexico’s highest grade silver producer, is pleased to provide this summary of its financial and operating results for 2011. A copy of the Company’s consolidated financial statements for the year ended December 31, 2011, along with Management’s Discussion and Analysis in respect thereof has been filed on SEDAR and is also available on the Company’s website at www.excellonresources.com . All figures unless otherwise noted are in US$.

Goldgroup Announces Financial Results for the Year Ended December 31, 2011

Goldgroup Mining Inc. has filed its audited financial results for the year ended December 31, 2011. The consolidated financial statements along with management’s discussion and analysis are available on SEDAR at www.sedar.com and on the Company’s website at www.goldgroupmining.com. All currency references are in United States dollars, unless otherwise noted.

Elgin Mining Releases Full Year 2011 Financial Results

VANCOUVER, BRITISH COLUMBIA, Mar 29, 2012 (MARKETWIRE via COMTEX) — Elgin Mining Inc. (“Elgin Mining” or the “Company”) reported today the release of its financial results for the year ended December 31, 2011 along with an update on the Company’s project development activities. The Company’s consolidated financial statements for the years ended December 31, 2011 and 2010 and notes thereto, along with its Management’s Discussion and Analysis are available at www.sedar.com and www.elginmining.com . Unless otherwise noted, all financial information is expressed in U.S. dollars.

Baja Mining Announces Further US$ 80 Million Draw of Senior Debt for Boleo

VANCOUVER, BRITISH COLUMBIA, Mar 29, 2012 (MARKETWIRE via COMTEX) — Baja Mining /quotes/zigman/31250 CA:BAJ 0.00% (otcqx:BAJFF) announces that its 70 percent-owned Mexican subsidiary, Minera y Metalurgica del Boleo S.A de C.V (MMB) drew down a further US$ 80 million on March 28, 2012, the fourth draw on the Company’s senior loans to date.

DynaResource Files National Instrument 43-101 Technical Report for San Jose de Gracia

DynaResource, Inc., a Resource Investment and Management Company based in Irving, Texas, with a current focus on the San Jose de Gracia Project in Sinaloa, Mexico, targeting growth in the defining and production of gold and silver resources, is pleased to announce that it has filed with SEDAR a National Instrument 43-101 compliant Technical Report for the San Jose de Gracia Project (the “2012 DynaMexico Luna-CAM SJG Technical Report”, the “Technical Report”), as received from and approved by DynaResource de Mexico, SA de CV., the 100% owner of SJG.

Major Drilling Group International Inc. is one of the world’s largest drilling services companies primarily serving the mining industry. Established in 1980, Major Drilling has over 1,000 years of combined experience and expertise within its management team alone.

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Maza Drilling is a Mexican company established in 2007 in Mazatlán, Sinaloa. Our Canadian founder, Mr. Guy de Launiere, has over 20 years of international experience managing diverse drilling operations. Maza Drilling strives to compete at the highest levels in terms of recovery, effectiveness, efficiency, and affordability at every project while keeping at the forefront of technology to meet our customer’s needs in this demanding market.