ARCH COAL INC

CUSIP: 039380100 Class: COM

Municipal Employees' Retirement System of Michigan's Holding History (CIK: 0001588873)

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

Q2 2015
Shares 40,450 Value ($000) $14 Avg Close — Range —
Q1 2015
Shares 40,000 Value ($000) $40 Avg Close — Range —
Q4 2014
Shares 54,300 Value ($000) $97 Avg Close — Range —
Q3 2014
Shares 54,300 Value ($000) $115 Avg Close — Range —
Q2 2014
Shares 51,400 Value ($000) $188 Avg Close — Range —
Q1 2014
Shares 51,400 Value ($000) $248 Avg Close — Range —
Q4 2013
Shares 58,100 Value ($000) $259 Avg Close — Range —
Q3 2013
Shares 34,900 Value ($000) $143 Avg Close — Range —