ATHLON ENERGY INC

CUSIP: 047477104 Class: COM

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

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

Q3 2014
Shares 5,800 Value ($000) $338 Avg Close — Range —
Q2 2014
Shares 78,715 Value ($000) $3,755 Avg Close — Range —
Q1 2014
Shares 72,915 Value ($000) $2,585 Avg Close — Range —
Q4 2013
Shares 63,940 Value ($000) $1,934 Avg Close — Range —