OPHTHOTECH CORP

CUSIP: 683745103 Class: COM

GREAT WEST LIFE ASSURANCE CO /CAN/'s Holding History (CIK: 0001046192)

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

Q1 2017
Shares 3,651 Value ($000) $13 Avg Close — Range —
Q4 2016
Shares 3,651 Value ($000) $18 Avg Close — Range —
Q3 2016
Shares 3,651 Value ($000) $168 Avg Close — Range —
Q2 2016
Shares 2,200 Value ($000) $112 Avg Close — Range —
Q1 2016
Shares 2,200 Value ($000) $93 Avg Close — Range —
Q4 2015
Shares 2,200 Value ($000) $173 Avg Close — Range —
Q3 2015
Shares 2,200 Value ($000) $89 Avg Close — Range —
Q2 2015
Shares 9,000 Value ($000) $467 Avg Close — Range —
Q1 2015
Shares 2,200 Value ($000) $102 Avg Close — Range —
Q4 2014
Shares 2,200 Value ($000) $98 Avg Close — Range —
Q3 2014
Shares 2,200 Value ($000) $86 Avg Close — Range —
Q2 2014
Shares 2,200 Value ($000) $93 Avg Close — Range —