Extorre Enters Into Agreement for Sale to Yamana

All amounts are expressed in Canadian dollars, unless otherwise indicated

Extorre Gold Mines Limited (XG)(XG)(XG.TO)(E1R.F) ("Extorre" or the "Company") is pleased to announce today that it has entered into a definitive agreement (the "Agreement") with Yamana Gold Inc. (YRI.TO)(AUY)(YAU.L) ("Yamana") pursuant to which Yamana will acquire all of the issued and outstanding common shares of Extorre ("Extorre Shares") by way of a statutory plan of arrangement (the "Arrangement") under the Canada Business Corporations Act.

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Urastar Intercepts 24m of 3.32g/T Gold Near Surface at El Jabali Property in Mulatos Gold Belt

Urastar Gold Corp. ("Urastar" or the "Company") (TSX-V:URS) (FSE: 3U3) (OTCQX: URNRF) announces drilling results for 805m reverse circulation, "RC" drill program on the El Jabali property including several intercepts of near surface high-grade gold. The El Jabali Gold project is located in the prolific Sierra Madre Gold Belt approximately 7 km from Alamos Gold's flagship Mulatos Gold Mine (see location map at www.Urastargold.com) and only 1.5 km from Urastar's La Juliana project (see news release dated 10 April 2012). The program was designed to test for extension of the La Dura gold mineralization, north of the open pit and south on the El Jabali Mine Trend.

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Colt Resources intersects 2.63g/t Au over 44.78m, including 8.19g/t Au over 9.65m at its Boa Fé Gold Project, Southern Portugal

Colt Resources Inc. ("Colt" or the "Company") (TSXV: GTP) (FRA: P01) (OTCQX: COLTF) is pleased to announce that it has received final analytical results corresponding to seven recently completed drillholes from the ongoing drilling and trenching campaign on its Boa Fé gold project, located within the Company's 100% owned (47Km2) Boa Fé Experimental Mining License (EML) in southern Portugal. The Boa Fé EML is completely surrounded by the Company's 100% owned (732Km2) Montemor exploration concession. The Company is also pleased to announce that it has received final analytical results from the first of its exploration holes at Monfurado in the Montemor concession.

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Marban Western High Grade ZoneReturns 7.28 G/T Au Over 7.2 Metres

Val-d'Or, Quebec - June 12, 2012 - NioGold Mining Corporation (TSX-V:NOX) (OTCQX:NOXGF) ("NioGold") is pleased to report additional results from the Phase Two drilling program conducted under the terms of the earn-in option of Aurizon Mines ("Aurizon") on the Marban Block property, located in the Malartic gold camp, Abitibi region of Quebec. These results are in continuation of the previously very encouraging results of the Phase Two published previously (see news release of March 1st and April 26th).

Results from 22 new drill holes and three (3) extensions of previous holes were obtained on the Marban gold deposit and are included in this release. The drill results are tabled on the following pages.

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Rambler Produces 14,500 Ounces of Gold with Revenues in Excess of C$24M

Rambler Metals and Mining plc (TSX VENTURE:RAB)(AIM:RMM) ('Rambler' or the 'Company') is pleased to provide this summary of its early gold production from the 1806 Zone at the Ming Copper-Gold Mine ("Ming Mine") in Newfoundland and Labrador's Baie Verte Peninsula, Canada.

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