OIL STS INTL INC

Ticker: OIS CUSIP: 678026105 Class: Common Stock

D.A. DAVIDSON & CO.'s Holding History (CIK: 0001080107)

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

Q1 2017

Shares 3,711 Value ($000) $123 Avg Close $36.69 Range $30.25 - $41.25

Q4 2016

Shares 5,335 Value ($000) $207 Avg Close $33.97 Range $28.00 - $41.75

Q4 2013

Shares 23 Value ($000) $2 Avg Close $59.96 Range $55.90 - $64.94

Q3 2013

Shares 90 Value ($000) $8 Avg Close $54.60 Range $50.41 - $61.05

Q2 2013

Shares 1,457 Value ($000) $134 Avg Close $51.03 Range $40.78 - $59.14

Period	Shares	Value ($000)	Average Close	Price Range
Q1 2017	3,711	$123	$36.69	$30.25 - $41.25
Q4 2016	5,335	$207	$33.97	$28.00 - $41.75
Q4 2013	23	$2	$59.96	$55.90 - $64.94
Q3 2013	90	$8	$54.60	$50.41 - $61.05
Q2 2013	1,457	$134	$51.03	$40.78 - $59.14