Cogitore Intersects 26.7 Metres of 2.1% Copper and 5.2% Zinc at Scott Lake: New Massive Sulphide Discovery Expanded

COGITORE Resources Inc. (the "Company") (TSX VENTURE: WOO) is pleased to report on exciting new developments at its 100% owned Scott Lake project in Quebec. The first hole drilled to follow-up the new massive sulphide discovery announced on March 31, 2010 intersected 26.7 metres of massive sulphides grading 2.1% copper, 5.2% zinc, 0.3 g/t Au and 24.9 g/t Ag as follows:

Peregrine Drills 112 Metres of 1.54% Cu and 86 Metres of 1.14% Cu at Altar

Peregrine Metals Ltd. ("Peregrine" or "the Company") (TSX: PGM) is pleased to report copper assay results from the recently completed 2010 drilling program at the large Altar porphyry copper-gold deposit ("Altar") in San Juan Province, Argentina. In this first set of results from five of 76 holes, long intervals of copper mineralization were intersected in the chalcocite-covellite zone where the Company is working to confirm a leachable copper resource, and below this zone to depths of over 757 metres. The resource definition work is part of the Preliminary Economic Assessment ("PEA"), scheduled for completion this year on a large-scale, Solvent Extraction/Electrowinning ("SX/EW"), copper heap leaching operation. Final assay results from the remaining 71 holes from this years' drilling will be reported in groups on a regular basis as they are received. Drilling is expected to re-commence at Altar this November.

Copper Mountain Project debt financing agreements signed for US$322 million

Copper Mountain Mining Corporation (TSX: CUM) (the "Company" or "Copper Mountain") announces that Project Finance Agreements for US$322 Million have been executed by Similco Mines Ltd. ("Similco" 75% owned by the Company) for the Copper Mountain Project located 15 km south of the town of Princeton in southern British Columbia. The Project Financing consists of two tranches: (1) a Senior Credit Agreement for US$162 Million provided by a consortium of Senior Lenders comprising The Bank of Tokyo-Mitsubishi UFJ, Ltd. and Mizuho Corporate Bank, Ltd., and (2) a Term Loan of US$160 Million provided by Japan Bank for International Cooperation ("JBIC"), the international arm of Japan Finance Corporation. The Lenders under the Senior Credit Agreement will have the benefit of export credit insurance by Nippon Export and Investment Insurance ("NEXI").

Tombstone Exploration Corporation (OTCBB:TMBXF) Completes the First Phase of Its 2010 Drill Program

PHOENIX, AZ - May 25, 2010 (Investorideas.com Mining Stocks Newswire) - Tombstone Exploration Corp. (OTCBB:TMBXF) announced today that the Company has completed the first round of drilling at its wholly owned property at Tombstone, Arizona. To date, 4,080 feet of drilling has been completed.

Samples have been submitted to a certified laboratory for analysis. Results are expected in a few weeks and additional samples will continue to be submitted. Also during this period, additional geologist investigation has been undertaken to further assess the potential for porphyry copper exploration targets on Tombstone's property. The Company has been in contact with geophysical contractors to develop a plan, budget and timeline for this phase of the project. Planning is ongoing and work may include geochemical surveys as well.