HORSEHEAD HLDG CORP

CUSIP: 440694305 Class: COM

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

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

Q4 2015
Shares 25,000 Value ($000) $51 Avg Close — Range —
Q3 2015
Shares 27,954 Value ($000) $85 Avg Close — Range —
Q2 2015
Shares 30,954 Value ($000) $364 Avg Close — Range —
Q1 2015
Shares 5,954 Value ($000) $75 Avg Close — Range —
Q4 2014
Shares 2,954 Value ($000) $47 Avg Close — Range —
Q3 2014
Shares 2,954 Value ($000) $49 Avg Close — Range —
Q2 2014
Shares 2,954 Value ($000) $54 Avg Close — Range —
Q1 2014
Shares 2,954 Value ($000) $49 Avg Close — Range —
Q4 2013
Shares 2,954 Value ($000) $48 Avg Close — Range —