XOMA is a biotechnology company discovering, developing and commercializing antibody-based therapeutics. The Company’s product candidates include X358, a human negative allosteric modulating insulin receptor antibody that is in Phase II proof-of-concept study for the treatment of patients with hypoglycemia due to congenital hyperinsulinism and hypoglycemia in post-bariatric surgery patients; X213, a allosteric inhibitor for the treatment of prolactinoma and anti-psychotic-induced hyperprolactinemia; and X129, a potent fragment of a monoclonal antibody for the treatment of patients with acute severe hypoglycemia.