NATURAL GAS SERVICES GROUP

Ticker: NGS CUSIP: 63886Q109 Class: Common Stock

WEDGE CAPITAL MANAGEMENT L L P/NC's Holding History (CIK: 0001015308)

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

Q2 2018
Shares 61,856 Value ($000) $1,460 Avg Close $23.87 Range $21.47 - $26.42
Q1 2018
Shares 52,886 Value ($000) $1,261 Avg Close $26.44 Range $22.81 - $29.04
Q4 2017
Shares 51,000 Value ($000) $1,336 Avg Close $26.38 Range $23.89 - $29.04
Q3 2017
Shares 49,200 Value ($000) $1,397 Avg Close $24.49 Range $22.26 - $29.24
Q2 2017
Shares 49,200 Value ($000) $1,223 Avg Close $26.24 Range $22.26 - $28.69
Q1 2017
Shares 44,200 Value ($000) $1,151 Avg Close $27.74 Range $23.30 - $33.05
Q4 2016
Shares 41,500 Value ($000) $1,334 Avg Close $27.19 Range $20.43 - $34.13
Q3 2016
Shares 52,100 Value ($000) $1,281 Avg Close $24.06 Range $21.50 - $26.46
Q2 2016
Shares 52,100 Value ($000) $1,193 Avg Close $22.14 Range $19.61 - $25.27
Q1 2016
Shares 52,100 Value ($000) $1,127 Avg Close $18.82 Range $15.79 - $22.57
Q4 2015
Shares 55,900 Value ($000) $1,247 Avg Close $21.48 Range $18.28 - $24.21
Q1 2014
Shares 22,500 Value ($000) $678 Avg Close $29.49 Range $25.23 - $34.59
Q4 2013
Shares 22,500 Value ($000) $620 Avg Close $27.72 Range $24.44 - $30.62
Q3 2013
Shares 20,300 Value ($000) $544 Avg Close $25.86 Range $23.52 - $27.95
Q2 2013
Shares 21,300 Value ($000) $500 Avg Close $21.33 Range $18.17 - $23.75