OIL STS INTL INC

Ticker: OIS CUSIP: 678026105 Class: Common Stock

WASATCH ADVISORS LP's Holding History (CIK: 0000814133)

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

Q4 2019

Shares 751,803 Value ($000) $12,262 Avg Close $15.19 Range $12.05 - $17.81

Q3 2019

Shares 599,018 Value ($000) $7,967 Avg Close $14.38 Range $11.73 - $19.01

Q2 2019

Shares 598,191 Value ($000) $10,947 Avg Close $17.92 Range $15.79 - $21.27

Q1 2019

Shares 367,132 Value ($000) $6,227 Avg Close $16.91 Range $13.78 - $18.86

Q4 2018

Shares 321,614 Value ($000) $4,593 Avg Close $23.01 Range $13.20 - $34.66

Q3 2018

Shares 267,862 Value ($000) $8,893 Avg Close $32.65 Range $29.30 - $37.39

Q2 2018

Shares 301,338 Value ($000) $9,673 Avg Close $33.64 Range $25.25 - $38.95

Q1 2018

Shares 355,120 Value ($000) $9,304 Avg Close $28.65 Range $23.65 - $34.72

Q4 2017

Shares 268,136 Value ($000) $7,588 Avg Close $24.24 Range $20.23 - $29.15

Q1 2014

Shares 3,569 Value ($000) $352 Avg Close $55.40 Range $51.78 - $59.95

Q4 2013

Shares 3,569 Value ($000) $363 Avg Close $59.96 Range $55.90 - $64.94

Q3 2013

Shares 3,569 Value ($000) $369 Avg Close $54.60 Range $50.41 - $61.05

Q2 2013

Shares 3,569 Value ($000) $331 Avg Close $51.03 Range $40.78 - $59.14

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2019	751,803	$12,262	$15.19	$12.05 - $17.81
Q3 2019	599,018	$7,967	$14.38	$11.73 - $19.01
Q2 2019	598,191	$10,947	$17.92	$15.79 - $21.27
Q1 2019	367,132	$6,227	$16.91	$13.78 - $18.86
Q4 2018	321,614	$4,593	$23.01	$13.20 - $34.66
Q3 2018	267,862	$8,893	$32.65	$29.30 - $37.39
Q2 2018	301,338	$9,673	$33.64	$25.25 - $38.95
Q1 2018	355,120	$9,304	$28.65	$23.65 - $34.72
Q4 2017	268,136	$7,588	$24.24	$20.23 - $29.15
Q1 2014	3,569	$352	$55.40	$51.78 - $59.95
Q4 2013	3,569	$363	$59.96	$55.90 - $64.94
Q3 2013	3,569	$369	$54.60	$50.41 - $61.05
Q2 2013	3,569	$331	$51.03	$40.78 - $59.14