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.On December 29, 2010, the Colombian Congress passed a law that imposes a 6% equity tax levied on the Company-s Colombian