SEI INVTS CO

Ticker: SEIC CUSIP: 784117103 Class: EQTY

DUDLEY & SHANLEY, INC.'s Holding History (CIK: 0000883511)

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

Q2 2018

Shares 240,980 Value ($000) $15,066 Avg Close $60.08 Range $55.04 - $68.02

Q1 2018

Shares 253,980 Value ($000) $19,026 Avg Close $67.22 Range $61.44 - $70.70

Q4 2017

Shares 252,580 Value ($000) $18,150 Avg Close $60.18 Range $54.62 - $65.32

Q3 2017

Shares 445,700 Value ($000) $27,214 Avg Close $51.01 Range $46.91 - $55.45

Q2 2017

Shares 454,300 Value ($000) $24,432 Avg Close $46.13 Range $44.19 - $49.04

Q1 2017

Shares 454,500 Value ($000) $22,925 Avg Close $45.12 Range $42.79 - $47.01

Q4 2016

Shares 476,100 Value ($000) $23,500 Avg Close $41.56 Range $38.69 - $44.97

Q3 2016

Shares 478,100 Value ($000) $21,806 Avg Close $41.67 Range $37.43 - $46.69

Q2 2016

Shares 478,100 Value ($000) $23,001 Avg Close $42.60 Range $37.17 - $45.76

Q1 2016

Shares 478,100 Value ($000) $20,582 Avg Close $36.26 Range $28.30 - $45.92

Period	Shares	Value ($000)	Average Close	Price Range
Q2 2018	240,980	$15,066	$60.08	$55.04 - $68.02
Q1 2018	253,980	$19,026	$67.22	$61.44 - $70.70
Q4 2017	252,580	$18,150	$60.18	$54.62 - $65.32
Q3 2017	445,700	$27,214	$51.01	$46.91 - $55.45
Q2 2017	454,300	$24,432	$46.13	$44.19 - $49.04
Q1 2017	454,500	$22,925	$45.12	$42.79 - $47.01
Q4 2016	476,100	$23,500	$41.56	$38.69 - $44.97
Q3 2016	478,100	$21,806	$41.67	$37.43 - $46.69
Q2 2016	478,100	$23,001	$42.60	$37.17 - $45.76
Q1 2016	478,100	$20,582	$36.26	$28.30 - $45.92