WHITING PETE CORP NEW

CUSIP: 966387102 Class: COM

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

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

Q4 2014
Shares 461,246 Value ($000) $15,221 Avg Close — Range —
Q3 2014
Shares 299,602 Value ($000) $23,234 Avg Close — Range —
Q2 2014
Shares 322,111 Value ($000) $25,849 Avg Close — Range —
Q1 2014
Shares 327,829 Value ($000) $22,748 Avg Close — Range —
Q4 2013
Shares 313,359 Value ($000) $19,388 Avg Close — Range —
Q3 2013
Shares 410,623 Value ($000) $24,576 Avg Close — Range —
Q2 2013
Shares 305,340 Value ($000) $14,073 Avg Close — Range —