OPHTHOTECH CORP

CUSIP: 683745103 Class: COM

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

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

Q3 2016
Shares 73,340 Value ($000) $3,383 Avg Close — Range —
Q2 2016
Shares 69,690 Value ($000) $3,556 Avg Close — Range —
Q1 2016
Shares 66,840 Value ($000) $2,825 Avg Close — Range —
Q4 2015
Shares 33,925 Value ($000) $2,664 Avg Close — Range —
Q3 2015
Shares 32,925 Value ($000) $1,334 Avg Close — Range —
Q2 2015
Shares 22,025 Value ($000) $1,147 Avg Close — Range —