OIL STS INTL INC

Ticker: OIS CUSIP: 678026105 Class: Common Stock

Magnetar Financial LLC's Holding History (CIK: 0001352851)

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

Q2 2018

Shares 15,272 Value ($000) $490 Avg Close $33.64 Range $25.25 - $38.95

Q3 2017

Shares 23,399 Value ($000) $593 Avg Close $24.59 Range $20.90 - $28.85

Q2 2017

Shares 15,349 Value ($000) $417 Avg Close $29.62 Range $25.25 - $33.75

Q3 2016

Shares 8,419 Value ($000) $266 Avg Close $30.74 Range $27.07 - $33.79

Q2 2015

Shares 10,785 Value ($000) $402 Avg Close $42.08 Range $36.30 - $48.16

Q1 2014

Shares 5,800 Value ($000) $572 Avg Close $55.40 Range $51.78 - $59.95

Q4 2013

Shares 107,143 Value ($000) $10,899 Avg Close $59.96 Range $55.90 - $64.94

Q3 2013

Shares 457,234 Value ($000) $47,305 Avg Close $54.60 Range $50.41 - $61.05

Q2 2013

Shares 87,997 Value ($000) $8,152 Avg Close $51.03 Range $40.78 - $59.14

Period	Shares	Value ($000)	Average Close	Price Range
Q2 2018	15,272	$490	$33.64	$25.25 - $38.95
Q3 2017	23,399	$593	$24.59	$20.90 - $28.85
Q2 2017	15,349	$417	$29.62	$25.25 - $33.75
Q3 2016	8,419	$266	$30.74	$27.07 - $33.79
Q2 2015	10,785	$402	$42.08	$36.30 - $48.16
Q1 2014	5,800	$572	$55.40	$51.78 - $59.95
Q4 2013	107,143	$10,899	$59.96	$55.90 - $64.94
Q3 2013	457,234	$47,305	$54.60	$50.41 - $61.05
Q2 2013	87,997	$8,152	$51.03	$40.78 - $59.14