ARKANSAS BEST CORP DEL

CUSIP: 040790107 Class: COM

CALIFORNIA STATE TEACHERS RETIREMENT SYSTEM's Holding History (CIK: 0001081019)

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

Q1 2014
Shares 46,722 Value ($000) $1,726 Avg Close — Range —
Q4 2013
Shares 46,522 Value ($000) $1,567 Avg Close — Range —
Q3 2013
Shares 46,222 Value ($000) $1,187 Avg Close — Range —
Q2 2013
Shares 44,802 Value ($000) $1,028 Avg Close — Range —
Q1 2013
Shares 44,187 Value ($000) $516 Avg Close — Range —