NATURAL GAS SERVICES GROUP

Ticker: NGS CUSIP: 63886Q109 Class: Common Stock

LOOMIS SAYLES & CO L P's Holding History (CIK: 0000312348)

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

Q3 2018
Shares 181,785 Value ($000) $3,836 Avg Close $21.85 Range $20.28 - $24.24
Q2 2018
Shares 372,172 Value ($000) $8,783 Avg Close $23.87 Range $21.47 - $26.42
Q1 2018
Shares 373,204 Value ($000) $8,901 Avg Close $26.44 Range $22.81 - $29.04
Q4 2017
Shares 422,352 Value ($000) $11,066 Avg Close $26.38 Range $23.89 - $29.04
Q3 2017
Shares 422,811 Value ($000) $12,008 Avg Close $24.49 Range $22.26 - $29.24
Q2 2017
Shares 429,597 Value ($000) $10,675 Avg Close $26.24 Range $22.26 - $28.69
Q1 2017
Shares 433,262 Value ($000) $11,286 Avg Close $27.74 Range $23.30 - $33.05
Q4 2016
Shares 441,171 Value ($000) $14,184 Avg Close $27.19 Range $20.43 - $34.13
Q3 2016
Shares 442,969 Value ($000) $10,893 Avg Close $24.06 Range $21.50 - $26.46
Q2 2016
Shares 455,490 Value ($000) $10,431 Avg Close $22.14 Range $19.61 - $25.27
Q1 2016
Shares 370,127 Value ($000) $8,006 Avg Close $18.82 Range $15.79 - $22.57
Q4 2015
Shares 370,960 Value ($000) $8,272 Avg Close $21.48 Range $18.28 - $24.21
Q3 2015
Shares 377,418 Value ($000) $7,284 Avg Close $20.31 Range $18.37 - $22.64
Q2 2015
Shares 223,008 Value ($000) $5,089 Avg Close $23.06 Range $19.10 - $25.82