REX ENERGY CORPORATION

CUSIP: 761565100 Class: CMN

FRONTIER CAPITAL MANAGEMENT CO LLC's Holding History (CIK: 0000351173)

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

Q4 2014
Shares 396,129 Value ($000) $2,020 Avg Close — Range —
Q3 2014
Shares 504,594 Value ($000) $6,393 Avg Close — Range —
Q2 2014
Shares 519,200 Value ($000) $9,195 Avg Close — Range —
Q1 2014
Shares 555,760 Value ($000) $10,398 Avg Close — Range —
Q4 2013
Shares 569,340 Value ($000) $11,222 Avg Close — Range —
Q3 2013
Shares 577,750 Value ($000) $12,895 Avg Close — Range —
Q2 2013
Shares 938,920 Value ($000) $16,506 Avg Close — Range —