OPHTHOTECH CORP

CUSIP: 683745103 Class: COM

ALLIANCEBERNSTEIN L.P.'s Holding History (CIK: 0001109448)

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

Q1 2017
Shares 40,640 Value ($000) $149 Avg Close — Range —
Q4 2016
Shares 43,140 Value ($000) $208 Avg Close — Range —
Q3 2016
Shares 43,140 Value ($000) $1,990 Avg Close — Range —
Q2 2016
Shares 48,240 Value ($000) $2,462 Avg Close — Range —
Q1 2016
Shares 35,840 Value ($000) $1,515 Avg Close — Range —
Q4 2015
Shares 41,740 Value ($000) $3,278 Avg Close — Range —
Q3 2015
Shares 41,880 Value ($000) $1,697 Avg Close — Range —
Q2 2015
Shares 63,980 Value ($000) $3,331 Avg Close — Range —
Q1 2015
Shares 51,280 Value ($000) $2,386 Avg Close — Range —
Q4 2014
Shares 53,580 Value ($000) $2,404 Avg Close — Range —
Q3 2014
Shares 53,580 Value ($000) $2,086 Avg Close — Range —
Q2 2014
Shares 33,300 Value ($000) $1,409 Avg Close — Range —
Q1 2014
Shares 300 Value ($000) $11 Avg Close — Range —
Q4 2013
Shares 3,500 Value ($000) $113 Avg Close — Range —