HORSEHEAD HLDG CORP

CUSIP: 440694305 Class: COM

Parallax Volatility Advisers, L.P.'s Holding History (CIK: 0001521001)

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

Q1 2015
Shares 15,576 Value ($000) $197 Avg Close — Range —
Q4 2014
Shares 2,576 Value ($000) $41 Avg Close — Range —
Q2 2014
Shares 513 Value ($000) $9 Avg Close — Range —