HORSEHEAD HLDG CORP

CUSIP: 440694305 Class: COM

Calamos Advisors LLC's Holding History (CIK: 0001316507)

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

Q2 2015
Shares 50,510 Value ($000) $592 Avg Close — Range —
Q1 2015
Shares 50,510 Value ($000) $639 Avg Close — Range —
Q4 2014
Shares 50,510 Value ($000) $800 Avg Close — Range —
Q3 2014
Shares 21,800 Value ($000) $360 Avg Close — Range —
Q2 2014
Shares 37,150 Value ($000) $678 Avg Close — Range —
Q1 2014
Shares 10,950 Value ($000) $184 Avg Close — Range —