Eco Oro Minerals Corp.

VANCOUVER, BRITISH COLUMBIA -- (Marketwire) -- 08/18/11 -- Greystar Resources Ltd. (TSX: GSL) ('the Company' or 'Greystar') announces that the Company has changed its name to Eco Oro Minerals Corp. effective August 16, 2011 pursuant to the Articles of the Company and as approved by the Company's board of directors on August 10, 2011. It is expected the common shares of the Company will commence trading on the Toronto

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VANCOUVER, BRITISH COLUMBIA -- (Marketwire) -- 08/11/11 -- Greystar Resources Ltd. (TSX: GSL) ('the Company' or 'Greystar') is pleased to announce that technical contracts have been awarded and a time line has been established to complete a feasibility study for an underground only operation at its Angostura gold-silver project in northeastern Colombia.

VANCOUVER, BRITISH COLUMBIA -- (Marketwire) -- 08/05/11 -- Greystar Resources Ltd. (TSX: GSL) (the 'Company') announces that early next week it will re-file amended and restated condensed consolidated interim financial statements for the three months ended March 31, 2011 to correct its accounting treatment for equity tax expense related to its Colombian operations.

VANCOUVER, BRITISH COLUMBIA -- (Marketwire) -- 06/06/11 -- Greystar Resources Ltd. (TSX: GSL) ('the Company') is pleased to announce that at the recent annual general meeting of the Company, Rafael Nieto Loaiza, Juan Esteban Orduz, Anna Stylianides, Eduardo Jaramillo, Hubert R. Marleau, Jean-Sebastien Blanchette and Samuel Jed Rubin (biographies below) were elected as directors of the Company.

VANCOUVER, BRITISH COLUMBIA -- (Marketwire) -- 05/03/11 -- Greystar Resources Ltd. (TSX: GSL)(AIM: GSL) ('Greystar' or the 'Company') hereby notifies shareholders and the market that the Company has decided to cancel the admission of its common shares to trading on the AIM Market of the London Stock Exchange ('AIM') with effect from 7:00 a.m. (BST) on 3 June 2011 (the 'Cancellation Date'). Greystar will continue to

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VANCOUVER, BRITISH COLUMBIA -- (Marketwire) -- 04/29/11 -- Greystar Resources Ltd. (TSX: GSL)(AIM: GSL) ('the Company') is pleased to announce receipt of a positive scoping stage Preliminary Assessment under National Instrument 43-101 ('Scoping Study') for an underground only operation at its 100%-owned Angostura gold-silver project in northeastern Colombia. The Technical Report entitled 'Mineral Resource Estimate and

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VANCOUVER, BRITISH COLUMBIA -- (Marketwire) -- 04/15/11 -- Greystar Resources Ltd. (TSX: GSL)(AIM: GSL) (the 'Company') announces that Frederick Felder, Executive Vice President has retired from the Company effective March 31st, 2011. He has been with the Company since 1999 and has been the driving force of the exploration effort in Colombia, guiding the Angostura Project through the study and exploration phase of its

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VANCOUVER, BRITISH COLUMBIA -- (Marketwire) -- 04/14/11 -- Greystar Resources Ltd. ('the Company') (TSX: GSL)(AIM: GSL) announces it has agreed with Amber Capital LP, a New York-based investment firm, which controls approximately 18% of the Company's outstanding shares, to change the members of its board of directors and the members of its executive management team. Other shareholders, holding approximately 20% of the

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VANCOUVER, BRITISH COLUMBIA -- (Marketwire) -- 04/06/11 -- Greystar Resources Ltd. (TSX: GSL)(AIM: GSL) ('the Company') reports that significant silver-gold-copper mineralization has been encountered from its initial diamond drill program on the La Plata property. La Plata is located southwest and along strike of the multi-million ounce La Mascota gold-silver-copper discovery in northeastern Colombia. Highlights

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VANCOUVER, BRITISH COLUMBIA -- (Marketwire) -- 04/01/11 -- Greystar Resources Ltd. (TSX: GSL)(AIM: GSL) (the 'Company') ('Greystar') announces today that it has appointed Evolution Securities as its Nominated Advisor with immediate effect.