OIL STS INTL INC

Ticker: OIS CUSIP: 678026105 Class: Common Stock

NATIXIS ADVISORS, L.P.'s Holding History (CIK: 0001018331)

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

Q2 2019

Shares 49,554 Value ($000) $907 Avg Close $17.92 Range $15.79 - $21.27

Q1 2019

Shares 47,626 Value ($000) $808 Avg Close $16.91 Range $13.78 - $18.86

Q4 2018

Shares 39,769 Value ($000) $567 Avg Close $23.01 Range $13.20 - $34.66

Q3 2018

Shares 125,435 Value ($000) $4,163 Avg Close $32.65 Range $29.30 - $37.39

Q2 2018

Shares 70,106 Value ($000) $2,250 Avg Close $33.64 Range $25.25 - $38.95

Q4 2014

Shares 52,805 Value ($000) $2,582 Avg Close $54.06 Range $41.51 - $62.34

Q3 2014

Shares 55,619 Value ($000) $3,443 Avg Close $62.75 Range $59.66 - $65.05

Q2 2014

Shares 112,869 Value ($000) $7,234 Avg Close $58.83 Range $53.39 - $65.77

Q1 2014

Shares 83,749 Value ($000) $8,257 Avg Close $55.40 Range $51.78 - $59.95

Q4 2013

Shares 83,305 Value ($000) $8,473 Avg Close $59.96 Range $55.90 - $64.94

Q3 2013

Shares 84,531 Value ($000) $8,746 Avg Close $54.60 Range $50.41 - $61.05

Q2 2013

Shares 92,834 Value ($000) $8,599 Avg Close $51.03 Range $40.78 - $59.14

Period	Shares	Value ($000)	Average Close	Price Range
Q2 2019	49,554	$907	$17.92	$15.79 - $21.27
Q1 2019	47,626	$808	$16.91	$13.78 - $18.86
Q4 2018	39,769	$567	$23.01	$13.20 - $34.66
Q3 2018	125,435	$4,163	$32.65	$29.30 - $37.39
Q2 2018	70,106	$2,250	$33.64	$25.25 - $38.95
Q4 2014	52,805	$2,582	$54.06	$41.51 - $62.34
Q3 2014	55,619	$3,443	$62.75	$59.66 - $65.05
Q2 2014	112,869	$7,234	$58.83	$53.39 - $65.77
Q1 2014	83,749	$8,257	$55.40	$51.78 - $59.95
Q4 2013	83,305	$8,473	$59.96	$55.90 - $64.94
Q3 2013	84,531	$8,746	$54.60	$50.41 - $61.05
Q2 2013	92,834	$8,599	$51.03	$40.78 - $59.14