ZIOPHARM Oncology is a biopharmaceutical company focused on the discovery and development of new cancer therapies. The Company's technology platform employs Intrexon Corporation's RheoSwitch Therapeutic System to turn on and off and precisely modulate gene expression at the cancer site in order to improve the therapeutic index. ZIOPHARM is applying the latest technologies in cancer research to develop safer, more precise therapeutics to improve care and quality of life for patients.