REX ENERGY CORPORATION

CUSIP: 761565100 Class: CMN

OCONNOR, A Distinct Business Unit of UBS ASSET MANAGEMENT AM's Holding History (CIK: 0001132716)

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

Q3 2015
Shares 886,312 Value ($000) $1,835,000 Avg Close — Range —
Q2 2015
Shares 1,166,075 Value ($000) $6,518,000 Avg Close — Range —
Q1 2015
Shares 839,950 Value ($000) $3,125,000 Avg Close — Range —
Q4 2014
Shares 309,800 Value ($000) $1,580,000 Avg Close — Range —
Q3 2014
Shares 286,818 Value ($000) $3,634,000 Avg Close — Range —