NATURAL GAS SERVICES GROUP

Ticker: NGS CUSIP: 63886Q109 Class: Common Stock

Federation des caisses Desjardins du Quebec's Holding History (CIK: 0002022297)

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

Q1 2018

Shares 10,860 Value ($000) $258 Avg Close $26.44 Range $22.81 - $29.04

Q4 2017

Shares 13,682 Value ($000) $358 Avg Close $26.38 Range $23.89 - $29.04

Q3 2017

Shares 13,682 Value ($000) $389 Avg Close $24.49 Range $22.26 - $29.24

Q2 2017

Shares 14,072 Value ($000) $348 Avg Close $26.24 Range $22.26 - $28.69

Q1 2017

Shares 16,809 Value ($000) $438 Avg Close $27.74 Range $23.30 - $33.05

Period	Shares	Value ($000)	Average Close	Price Range
Q1 2018	10,860	$258	$26.44	$22.81 - $29.04
Q4 2017	13,682	$358	$26.38	$23.89 - $29.04
Q3 2017	13,682	$389	$24.49	$22.26 - $29.24
Q2 2017	14,072	$348	$26.24	$22.26 - $28.69
Q1 2017	16,809	$438	$27.74	$23.30 - $33.05