OIL STS INTL INC

Ticker: OIS CUSIP: 678026105 Class: Common Stock

OMERS ADMINISTRATION Corp's Holding History (CIK: 0001053321)

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

Q2 2018

Shares 12,800 Value ($000) $411 Avg Close $33.64 Range $25.25 - $38.95

Q1 2018

Shares 27,000 Value ($000) $707 Avg Close $28.65 Range $23.65 - $34.72

Q4 2017

Shares 13,700 Value ($000) $388 Avg Close $24.24 Range $20.23 - $29.15

Q3 2017

Shares 16,700 Value ($000) $423 Avg Close $24.59 Range $20.90 - $28.85

Q4 2016

Shares 25,200 Value ($000) $983 Avg Close $33.97 Range $28.00 - $41.75

Q2 2016

Shares 11,900 Value ($000) $391 Avg Close $32.41 Range $28.46 - $36.73

Q1 2016

Shares 11,900 Value ($000) $375 Avg Close $27.00 Range $21.44 - $33.05

Q1 2015

Shares 5,600 Value ($000) $223 Avg Close $42.31 Range $38.41 - $49.31

Q4 2014

Shares 6,100 Value ($000) $298 Avg Close $54.06 Range $41.51 - $62.34

Q3 2014

Shares 28,900 Value ($000) $1,789 Avg Close $62.75 Range $59.66 - $65.05

Q2 2014

Shares 50,200 Value ($000) $3,217 Avg Close $58.83 Range $53.39 - $65.77

Period	Shares	Value ($000)	Average Close	Price Range
Q2 2018	12,800	$411	$33.64	$25.25 - $38.95
Q1 2018	27,000	$707	$28.65	$23.65 - $34.72
Q4 2017	13,700	$388	$24.24	$20.23 - $29.15
Q3 2017	16,700	$423	$24.59	$20.90 - $28.85
Q4 2016	25,200	$983	$33.97	$28.00 - $41.75
Q2 2016	11,900	$391	$32.41	$28.46 - $36.73
Q1 2016	11,900	$375	$27.00	$21.44 - $33.05
Q1 2015	5,600	$223	$42.31	$38.41 - $49.31
Q4 2014	6,100	$298	$54.06	$41.51 - $62.34
Q3 2014	28,900	$1,789	$62.75	$59.66 - $65.05
Q2 2014	50,200	$3,217	$58.83	$53.39 - $65.77