Shearman & Sterling represented Credit Suisse Securities (USA) LLC as sole book-running manager and representative of the initial purchasers, Scotia Capital (USA) Inc. and TD Securities (USA) LLC, as joint lead managers, and RBC Capital Markets Corporation and HSBC Securities (USA) Inc., as co-managers, in connection with OPTI Canada Inc.’s offering of US$100 million of its 9% first lien senior secured notes due 2012 and US$300 million of its 9.75% first lien senior secured notes due 2013. OPTI Canada is a Calgary, Alberta-based company that develops major integrated bitumen and heavy oil projects in Canada using its proprietary OrCrude process.