NEW YORK (Standard&Poor's) March 12, 2008-Standard&Poor's Ratings Services said today that it assigned its 'B–' debt rating to the proposed $150 million senior unsecured convertible notes of Coeur D'Alene Mines Corp. (B-/Stable/--). These notes will be issued under the company's effective shelf registration filed on Dec. 27, 2005. Proceeds from the proposed notes will be used to fund Coeur D'Alene's planned capital expenditures at its San Bartolome silver project in Bolivia and its Palmarejo silver and gold project in Mexico. Pro forma for this financing, Coeur D'Alene will have about $406 million in debt (adjusted for operating leases and mine reclamation liabilities). The ratings on Coeur D'Alene Mines reflect its high business risk as a capital-intensive