REX ENERGY CORPORATION

CUSIP: 761565100 Class: CMN

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

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

Q1 2016
Shares 8,620 Value ($000) $7 Avg Close — Range —
Q4 2015
Shares 7,815 Value ($000) $8 Avg Close — Range —
Q3 2015
Shares 7,047 Value ($000) $15 Avg Close — Range —
Q2 2015
Shares 6,872 Value ($000) $38 Avg Close — Range —
Q1 2015
Shares 6,604 Value ($000) $25 Avg Close — Range —
Q4 2014
Shares 6,265 Value ($000) $32 Avg Close — Range —
Q4 2013
Shares 160,200 Value ($000) $3,158 Avg Close — Range —
Q3 2013
Shares 160,200 Value ($000) $3,572 Avg Close — Range —