Merrill Lynch Professional Clearing Corp, Goldman Sachs International, Credit Suisse Securities USA LLC, Barclays Bank PLC New York Branch, Royal Bank of Scotland PLC, RBS Securities Inc, Barclays Bank PLC, BNP Paribas Securities Corp, Royal Bank of Canada, Nomura Securities International Inc, Merrill Lynch Pierce Fenner & Smith Inc, Barclays Capital Securities Ltd, Societe Generale, Merrill Lynch Pierce Fenner & Smith Incorporated, Citigroup Global Markets Inc, UBS AG, Credit Suisse International, RBC Europe Ltd, Merrill Lynch International, Deutsche Bank AG, Barclays Capital Inc, Citibank NA, Credit Suisse Securities Europe Ltd, Bank of America NA