ChemoCentryx is a biopharmaceutical company focused on discovering, developing and commercializing orally-administered therapeutics to treat autoimmune diseases, inflammatory disorders and cancer. The Company targets the chemokine system, a network of molecules, including chemokine ligands and their associated receptors, as well as related chemo-attractant receptors, all of which are known to drive inflammation. As of December 31, 2011, the Company had four drug candidates in clinical development. Its drug candidates include Traficet-EN (CCX282, GSK'786 or vercirnon), CCX140, CCX354, CCX168, CCX872, CCX507 and CCX662. The Company is also advancing several additional independent drug candidates through preclinical development. The Company�s wholly owned subsidiary is ChemoCentryx Limited.