ARKANSAS BEST CORP DEL

CUSIP: 040790107 Class: COM

PUBLIC EMPLOYEES RETIREMENT ASSOCIATION OF COLORADO's Holding History (CIK: 0000315297)

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

Q1 2014
Shares 6,170 Value ($000) $228 Avg Close — Range —
Q4 2013
Shares 6,170 Value ($000) $208 Avg Close — Range —
Q3 2013
Shares 6,170 Value ($000) $158 Avg Close — Range —
Q2 2013
Shares 6,170 Value ($000) $142 Avg Close — Range —