NATURAL GAS SERVICES GROUP

Ticker: NGS CUSIP: 63886Q109 Class: Common Stock

EAGLE GLOBAL ADVISORS LLC's Holding History (CIK: 0001130787)

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

Q2 2017

Shares 20,882 Value ($000) $519 Avg Close $26.24 Range $22.26 - $28.69

Q1 2017

Shares 20,882 Value ($000) $544 Avg Close $27.74 Range $23.30 - $33.05

Q4 2016

Shares 20,882 Value ($000) $671 Avg Close $27.19 Range $20.43 - $34.13

Q3 2016

Shares 30,012 Value ($000) $738 Avg Close $24.06 Range $21.50 - $26.46

Q2 2016

Shares 24,672 Value ($000) $565 Avg Close $22.14 Range $19.61 - $25.27

Q1 2016

Shares 24,172 Value ($000) $523 Avg Close $18.82 Range $15.79 - $22.57

Period	Shares	Value ($000)	Average Close	Price Range
Q2 2017	20,882	$519	$26.24	$22.26 - $28.69
Q1 2017	20,882	$544	$27.74	$23.30 - $33.05
Q4 2016	20,882	$671	$27.19	$20.43 - $34.13
Q3 2016	30,012	$738	$24.06	$21.50 - $26.46
Q2 2016	24,672	$565	$22.14	$19.61 - $25.27
Q1 2016	24,172	$523	$18.82	$15.79 - $22.57