ARKANSAS BEST CORP DEL

CUSIP: 040790107 Class: COM

MASON STREET ADVISORS, LLC's Holding History (CIK: 0001167711)

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

Q1 2014
Shares 2,969 Value ($000) $110 Avg Close — Range —
Q4 2013
Shares 3,847 Value ($000) $130 Avg Close — Range —
Q3 2013
Shares 3,556 Value ($000) $91 Avg Close — Range —
Q2 2013
Shares 3,313 Value ($000) $76 Avg Close — Range —