ARCH COAL INC

CUSIP: 039380100 Class: COM

NEW YORK STATE TEACHERS RETIREMENT SYSTEM's Holding History (CIK: 0000314969)

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

Q2 2015
Shares 206,954 Value ($000) $70 Avg Close — Range —
Q1 2015
Shares 519,090 Value ($000) $519 Avg Close — Range —
Q4 2014
Shares 524,890 Value ($000) $934 Avg Close — Range —
Q3 2014
Shares 528,090 Value ($000) $1,120 Avg Close — Range —
Q2 2014
Shares 528,090 Value ($000) $1,928 Avg Close — Range —
Q1 2014
Shares 528,090 Value ($000) $2,545 Avg Close — Range —
Q4 2013
Shares 540,590 Value ($000) $2,406 Avg Close — Range —
Q3 2013
Shares 432,125 Value ($000) $1,776 Avg Close — Range —
Q2 2013
Shares 432,125 Value ($000) $1,633 Avg Close — Range —