OIL STS INTL INC

Ticker: OIS CUSIP: 678026105 Class: Common Stock

BAMCO INC /NY/'s Holding History (CIK: 0001017918)

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

Q3 2016

Shares 24,531 Value ($000) $774 Avg Close $30.74 Range $27.07 - $33.79

Q2 2016

Shares 49,531 Value ($000) $1,629 Avg Close $32.41 Range $28.46 - $36.73

Q1 2016

Shares 44,031 Value ($000) $1,388 Avg Close $27.00 Range $21.44 - $33.05

Q4 2015

Shares 39,031 Value ($000) $1,064 Avg Close $29.75 Range $24.24 - $33.14

Q3 2015

Shares 28,431 Value ($000) $743 Avg Close $29.60 Range $23.35 - $37.27

Q2 2015

Shares 17,031 Value ($000) $634 Avg Close $42.08 Range $36.30 - $48.16

Q1 2015

Shares 16,931 Value ($000) $673 Avg Close $42.31 Range $38.41 - $49.31

Q4 2014

Shares 15,431 Value ($000) $755 Avg Close $54.06 Range $41.51 - $62.34

Q3 2014

Shares 165,381 Value ($000) $10,237 Avg Close $62.75 Range $59.66 - $65.05

Q2 2014

Shares 163,981 Value ($000) $10,510 Avg Close $58.83 Range $53.39 - $65.77

Q1 2014

Shares 162,481 Value ($000) $16,021 Avg Close $55.40 Range $51.78 - $59.95

Q4 2013

Shares 161,881 Value ($000) $16,467 Avg Close $59.96 Range $55.90 - $64.94

Q3 2013

Shares 158,481 Value ($000) $16,396 Avg Close $54.60 Range $50.41 - $61.05

Q2 2013

Shares 159,343 Value ($000) $14,762 Avg Close $51.03 Range $40.78 - $59.14

Period	Shares	Value ($000)	Average Close	Price Range
Q3 2016	24,531	$774	$30.74	$27.07 - $33.79
Q2 2016	49,531	$1,629	$32.41	$28.46 - $36.73
Q1 2016	44,031	$1,388	$27.00	$21.44 - $33.05
Q4 2015	39,031	$1,064	$29.75	$24.24 - $33.14
Q3 2015	28,431	$743	$29.60	$23.35 - $37.27
Q2 2015	17,031	$634	$42.08	$36.30 - $48.16
Q1 2015	16,931	$673	$42.31	$38.41 - $49.31
Q4 2014	15,431	$755	$54.06	$41.51 - $62.34
Q3 2014	165,381	$10,237	$62.75	$59.66 - $65.05
Q2 2014	163,981	$10,510	$58.83	$53.39 - $65.77
Q1 2014	162,481	$16,021	$55.40	$51.78 - $59.95
Q4 2013	161,881	$16,467	$59.96	$55.90 - $64.94
Q3 2013	158,481	$16,396	$54.60	$50.41 - $61.05
Q2 2013	159,343	$14,762	$51.03	$40.78 - $59.14