NEW YORK--(BUSINESS WIRE)--ZIOPHARM Oncology, Inc. (NASDAQ: ZIOP) today announced the pricing of an underwritten public offering of 7,000,000 shares of its common stock at a price to the public of $5.00 per share. The net proceeds from the sale of the shares, after underwriting discounts and commissions and estimated offering expenses, are expected to be approximately $32.8 million. The offering is expected to close on or about June 2, 2010, subject to customary closing conditions.