ARCH COAL INC

CUSIP: 039380100 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 375,026 Value ($000) $128 Avg Close — Range —
Q3 2013
Shares 30,126 Value ($000) $124 Avg Close — Range —
Q2 2013
Shares 30,204 Value ($000) $114 Avg Close — Range —