ARKANSAS BEST CORP DEL

CUSIP: 40790107 Class: COM

GROUP ONE TRADING, L.P.'s Holding History (CIK: 0000932540)

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

Q4 2013
Shares 44 Value ($000) $1 Avg Close — Range —
Q3 2013
Shares 8,764 Value ($000) $225 Avg Close — Range —