ARKANSAS BEST CORP DEL

CUSIP: 040790107 Class: COM

STATE OF WISCONSIN INVESTMENT BOARD's Holding History (CIK: 0000854157)

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

Q1 2014
Shares 1,459,180 Value ($000) $53,917 Avg Close — Range —
Q4 2013
Shares 1,459,180 Value ($000) $49,145 Avg Close — Range —
Q3 2013
Shares 1,319,180 Value ($000) $33,863 Avg Close — Range —
Q2 2013
Shares 1,699,568 Value ($000) $39,005 Avg Close — Range —