ZIOPHARM ONCOLOGY INC

CUSIP: 98973P101 Class: COMMON

TOCQUEVILLE ASSET MANAGEMENT L.P.'s Holding History (CIK: 0000883961)

Note: Option positions (PUT/CALL) are excluded.

Q1 2016
Shares 42,907 Value ($000) $318 Avg Close — Range —
Q4 2015
Shares 45,292 Value ($000) $376 Avg Close — Range —
Q3 2015
Shares 45,942 Value ($000) $414 Avg Close — Range —
Q2 2015
Shares 51,506 Value ($000) $618 Avg Close — Range —
Q1 2015
Shares 45,800 Value ($000) $493 Avg Close — Range —