HORSEHEAD HLDG CORP

CUSIP: 440694305 Class: COM

NORTHWESTERN MUTUAL INVESTMENT MANAGEMENT COMPANY, LLC's Holding History (CIK: 0001629649)

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

Q4 2015
Shares 640,000 Value ($000) $1,312 Avg Close — Range —
Q3 2015
Shares 640,000 Value ($000) $1,946 Avg Close — Range —
Q2 2015
Shares 640,000 Value ($000) $7,501 Avg Close — Range —
Q1 2015
Shares 640,000 Value ($000) $8,102 Avg Close — Range —