ALPHA NATURAL RESOURCES INC

CUSIP: 02076X102 Class: COM

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

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

Q1 2014
Shares 88,018 Value ($000) $374 Avg Close — Range —
Q4 2013
Shares 87,511 Value ($000) $625 Avg Close — Range —
Q3 2013
Shares 88,040 Value ($000) $525 Avg Close — Range —
Q2 2013
Shares 86,720 Value ($000) $454 Avg Close — Range —