Ziopharm Comments on Consent Solicitation Results Ziopharm Comments on Consent Solicitation Results BOSTON, Dec. 16, 2020 — Ziopharm Oncology, Inc. (Nasdaq: ZIOP) (“Ziopharm” or the “Company”), today issued a statement in connection with the consent solicitation (the “Consent Solicitation”) initiated by WaterMill Asset Management Corp., Mr. Robert W. Postma and certain other individuals (collectively, “WaterMill”). Based on the consents received by the Company, Jaime Vieser and Holger Weis have been formally elected to the Ziopharm Board of Directors (the “Board”), while Chairman Scott Tarriff will depart the Board effective immediately. The Company’s statement is as follows: “We sincerely thank our shareholders for all of the helpful feedback and constructive dialogue that they have shared with the Company since our 2020 Annual Meeting. We welcome Messrs. Vieser and Weis as the newest members of Ziopharm’s Board of Directors.