Silver Bull Resources, Inc. is pleased to announce further to its news release dated March 18, 2013, it has filed its updated NI43-101 Technical Report titled “Technical Report on the Resources of the Silver-Zinc Sierra Mojada Project Coahuila, Mexico” dated April 30, 2013 on SEDAR at www.sedar.com. The Technical Report was completed by JDS Energy & Mining Inc. on the silver and zinc mineralization of the “Shallow Silver” and “Zinc” Zones at the Sierra Mojada Project in Coahuila, Mexico. Highlights at various cutoff grades for the silver include:

Vista Gold Corp. is pleased to announce the results of its 2013 annual general and special meeting of shareholders held in Vancouver, British Columbia on April 30, 2013. At the Meeting, all nominees listed in the management information and proxy circular for the Meeting were elected as directors of the Company. Detailed results of the vote by ballot are as follows:

New Gold Inc. today announces financial and operational results for the first quarter of 2013. The company is also pleased to provide an updated Mineral Resource estimate for the C-Zone at New Afton.

NWM Mining Corporation is pleased to report an operating net income of $3,393,813 for the year ended December 31, 2012.

Sierra Metals Inc. is pleased to announce that the Company has completed its first quarterly cash dividend payment of $2.5 million, or $.016 per common share to shareholders on April 30, 2013. The Company announced its inaugural $10.0 million cash dividend policy on February 12, 2013 (see press release dated February 12, 2013 here) as a result of substantial production increases and significant cash flows from operations realized in 2012.

International Millennium Mining Corp. reports its financial statements and MD&A for the 4th Quarter and Year Ended December 31, 2012. Pursuant to the requirements of National Instrument 54-102, this news release provides a summary of the information contained in the 2012 Audited Consolidated Financial Statements for the year ended December 31, 2012.

VVC Exploration Corporation is pleased to announce that, further to its news release of April 12, 2013, the Company has filed the required preliminary documents with the TSX Venture Exchange in connection with the execution of a non-binding letter of intent with Camex Mining Development Group Inc., pursuant to which, the Company intends to acquire all of the issued and outstanding shares of Camex, in exchange for the issuance of 59,900,000 common shares of VVC at closing, subject to adjustments, if any, as mutually agreed upon based on due diligence. Accordingly, the TSX-V has confirmed that the Company’s stock halt will be lifted. The Company expects trading to resume at market open on Thursday, May 2, 2013.