Day: March 31, 2011

Quaterra Resources Inc. (TSX VENTURE:QTA)(NYSE Amex:QMM) today announced that pursuant to the Company’s stock option plan, option agreements were entered into with officers, employees and consultants granting the right to purchase an aggregate of 355,000 shares at an exercise price of $1.60 per share for a five year period. Each option will vest in three, six and twelve month periods with all options having fully vested no later than May 24, 2012.

First Majestic Silver Corp. (“First Majestic” or the “Company”) (TSX – FR, NYSE – AG) announces that its 2010 audited financial statements have been filed on SEDAR. In addition, a Form 40-F report has been filed with the United States Securities and Exchange Commission and is available on EDGAR. Both documents are also available on the Company’s website at www.firstmajestic.com.

Vancouver, B.C. MAG Silver Corp. (TSX: MAG; NYSE-A: MVG) (“MAG” or the “Company”) announces the Company’s audited financial results for the year ended December 31, 2010. For complete details of the Annual Financial Statements for the year ended December 31, 2010 and related Management’s Discussion and Analysis, please see the Company’s filings on SEDAR (www.sedar.com) or on EDGAR (www.sec.gov). All amounts herein are reported in Canadian dollars unless otherwise specified.