Altus Pharmaceuticals Inc. (Altus) is a biopharmaceutical company focused on the development of oral and injectable protein therapeutics for gastrointestinal and metabolic disorders. The Company’s product candidates are based on its technology, which enables the crystallization of proteins for use as therapeutic drugs. The Company is developing its product candidate, ALTU-238, by applying crystallization technology. During the year ended December 31, 2008, Altus had crystallized more than 70 proteins for use in its research and development programs.