ALPHA NATURAL RESOURCES INC

CUSIP: 02076X102 Class: COM

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

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

Q2 2015
Shares 377,145 Value ($000) $114 Avg Close — Range —
Q1 2014
Shares 30,867 Value ($000) $131 Avg Close — Range —
Q4 2013
Shares 31,009 Value ($000) $221 Avg Close — Range —
Q3 2013
Shares 31,439 Value ($000) $187 Avg Close — Range —
Q2 2013
Shares 31,499 Value ($000) $165 Avg Close — Range —