ARCH COAL INC

CUSIP: 039380100 Class: COM

DIMENSIONAL FUND ADVISORS LP's Holding History (CIK: 0000354204)

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

Q2 2015
Shares 1,495,422 Value ($000) $509 Avg Close — Range —
Q1 2015
Shares 1,631,027 Value ($000) $1,631 Avg Close — Range —
Q4 2014
Shares 2,089,143 Value ($000) $3,718 Avg Close — Range —
Q3 2014
Shares 2,094,090 Value ($000) $4,439 Avg Close — Range —
Q2 2014
Shares 2,246,821 Value ($000) $8,200 Avg Close — Range —
Q1 2014
Shares 2,131,032 Value ($000) $10,271 Avg Close — Range —
Q4 2013
Shares 4,465,825 Value ($000) $19,873 Avg Close — Range —
Q3 2013
Shares 4,689,617 Value ($000) $19,275 Avg Close — Range —
Q2 2013
Shares 4,753,923 Value ($000) $17,968 Avg Close — Range —