OIL STS INTL INC

Ticker: OIS CUSIP: 678026105 Class: Common Stock

SCHRODER INVESTMENT MANAGEMENT GROUP's Holding History (CIK: 0001086619)

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

Q1 2018

Shares 274,600 Value ($000) $7,194 Avg Close $28.65 Range $23.65 - $34.72

Q4 2017

Shares 139,500 Value ($000) $3,948 Avg Close $24.24 Range $20.23 - $29.15

Q1 2016

Shares 47,871 Value ($000) $1,459 Avg Close $27.00 Range $21.44 - $33.05

Q4 2015

Shares 5,691 Value ($000) $155 Avg Close $29.75 Range $24.24 - $33.14

Q3 2015

Shares 974,300 Value ($000) $25,458 Avg Close $29.60 Range $23.35 - $37.27

Q2 2014

Shares 19,300 Value ($000) $1,236,937 Avg Close $58.83 Range $53.39 - $65.77

Q1 2014

Shares 152,143 Value ($000) $15,001,300 Avg Close $55.40 Range $51.78 - $59.95

Q4 2013

Shares 154,843 Value ($000) $15,750,630 Avg Close $59.96 Range $55.90 - $64.94

Q3 2013

Shares 156,343 Value ($000) $16,175,247 Avg Close $54.60 Range $50.41 - $61.05

Q2 2013

Shares 281,892 Value ($000) $26,114,475 Avg Close $51.03 Range $40.78 - $59.14

Period	Shares	Value ($000)	Average Close	Price Range
Q1 2018	274,600	$7,194	$28.65	$23.65 - $34.72
Q4 2017	139,500	$3,948	$24.24	$20.23 - $29.15
Q1 2016	47,871	$1,459	$27.00	$21.44 - $33.05
Q4 2015	5,691	$155	$29.75	$24.24 - $33.14
Q3 2015	974,300	$25,458	$29.60	$23.35 - $37.27
Q2 2014	19,300	$1,236,937	$58.83	$53.39 - $65.77
Q1 2014	152,143	$15,001,300	$55.40	$51.78 - $59.95
Q4 2013	154,843	$15,750,630	$59.96	$55.90 - $64.94
Q3 2013	156,343	$16,175,247	$54.60	$50.41 - $61.05
Q2 2013	281,892	$26,114,475	$51.03	$40.78 - $59.14