ARCH COAL INC

CUSIP: 039380100 Class: COM

Aperio Group, LLC's Holding History (CIK: 0001364615)

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

Q4 2014
Shares 47,436 Value ($000) $84 Avg Close — Range —
Q3 2014
Shares 12,156 Value ($000) $26 Avg Close — Range —
Q2 2014
Shares 25,916 Value ($000) $95 Avg Close — Range —
Q1 2014
Shares 55,817 Value ($000) $269 Avg Close — Range —
Q4 2013
Shares 41,070 Value ($000) $183 Avg Close — Range —
Q3 2013
Shares 25,499 Value ($000) $105 Avg Close — Range —
Q2 2013
Shares 14,163 Value ($000) $54 Avg Close — Range —