ENTEGRIS INC

Ticker: ENTG CUSIP: 29362U104 Class: EQTY

RAMSEY QUANTITATIVE SYSTEMS's Holding History (CIK: 0001132897)

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

Q1 2018

Shares 7,405 Value ($000) $258 Avg Close $32.52 Range $28.08 - $36.78

Q4 2017

Shares 7,405 Value ($000) $225 Avg Close $29.39 Range $27.05 - $31.71

Q3 2017

Shares 12,914 Value ($000) $373 Avg Close $24.35 Range $20.85 - $27.77

Q2 2017

Shares 25,601 Value ($000) $562 Avg Close $23.10 Range $20.97 - $26.04

Period	Shares	Value ($000)	Average Close	Price Range
Q1 2018	7,405	$258	$32.52	$28.08 - $36.78
Q4 2017	7,405	$225	$29.39	$27.05 - $31.71
Q3 2017	12,914	$373	$24.35	$20.85 - $27.77
Q2 2017	25,601	$562	$23.10	$20.97 - $26.04