VANCOUVER, BRITISH COLUMBIA, Mar 02, 2012 (MARKETWIRE via COMTEX) — Rockhaven Resources Ltd. (“Rockhaven”) is pleased to announce that Mr. Bruce A. Youngman has been appointed to the Rockhaven Board of Directors.

Source Exploration Corp. (“Source” or the “Company”) (TSX VENTURE:SOP) is pleased to announce the closing on March 1, 2012 of its previously announced non-brokered private placement of 11,500,000 units (the “Units”) at a price of $0.26 per Unit for gross proceeds of $2,990,000 (the “Offering”).

Urastar Gold Corp. announces the appointment of Mr. Adrian Robertson, P.Eng. (currently a director of the Company), as President and CEO of the Company. The appointment follows the resignation of Mr. Tom Kennedy as interim CEO. Mr. Kennedy will continue as Corporate Secretary of the Company.

Vancouver, March 1, 2012 – Baja Mining Corp. (TSX: BAJ – OTCQX: BAJFF) today announced that it has filed and is mailing a second letter to shareholders. In the letter, Baja responds to misleading statements by dissident shareholder Mount Kellett Master Fund II A L.P., and highlights Mount Kellett’s failure to address seven critical facts in its dissident circular. Baja cautions shareholders not to trust the Mount Kellett wolf in sheep’s clothing.

Vancouver, British Columbia — Silver Bull Resources, Inc. (TSX: SVB, AMEX: SVBL) (“Silver Bull”) is pleased to announce the appointment of George Rawsthorne P.Eng. to the role of Vice President of Metallurgy.

Excalibur Resources Ltd. announces that, further to its news release of February 23, 2012, it has completed its non-brokered private placement of 6,190,000 Units at $0.10 per Unit for a total of $619,000. Each Unit consists of one common share and one share purchase warrant, exercisable to acquire an additional common share at $0.15 per share during the first year, and at $0.20 per share in the second year.

New Gold Inc. (“New Gold”) (tsx and nyse amex:NGD) today announces financial and operational results for the fourth quarter and year ended 2011, with record annual earnings and cash flow. The company, once again, met its production guidance achieving record annual production of 387,155 ounces during 2011 at a total cash cost(1) per ounce sold, net of by-product sales, of $446 per ounce. The combination of increased gold production, well below industry average total cash cost(1) and continued strength in commodity prices led New Gold to the strongest financial performance in the company’s history. When compared to 2010, earnings from mine operations increased by 54% to $315 million, net earnings increased by 212% to $179 million, or $0.42 per share, and net cash generated from operations increased by 23% to $230 million. New Gold is also pleased to reiterate its guidance for 2012 with the targeted start of the New Afton Mine in June set to increase gold production further to 405,000 to 445,000 ounces at a lower annual total cash cost(1) per ounce sold, net of by-product sales, of $410 to $430 per ounce.