HORSEHEAD HLDG CORP

CUSIP: 440694305 Class: COM

COMMONWEALTH OF PENNSYLVANIA PUBLIC SCHOOL EMPLS RETRMT SYS's Holding History (CIK: 0001083190)

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

Q3 2014
Shares 35,575 Value ($000) $588 Avg Close — Range —
Q2 2014
Shares 35,255 Value ($000) $644 Avg Close — Range —
Q1 2014
Shares 48,980 Value ($000) $824 Avg Close — Range —
Q4 2013
Shares 48,980 Value ($000) $794 Avg Close — Range —