REX ENERGY CORPORATION

CUSIP: 761565100 Class: CMN

Parallax Volatility Advisers, L.P.'s Holding History (CIK: 0001521001)

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

Q1 2015
Shares 507 Value ($000) $2 Avg Close — Range —
Q4 2014
Shares 883 Value ($000) $5 Avg Close — Range —
Q3 2014
Shares 300 Value ($000) $4 Avg Close — Range —
Q2 2014
Shares 159 Value ($000) $3 Avg Close — Range —
Q4 2013
Shares 88 Value ($000) $2 Avg Close — Range —
Q3 2013
Shares 419 Value ($000) $9 Avg Close — Range —