ENTEGRIS INC

Ticker: ENTG CUSIP: 29362U104 Class: EQTY

MACKAY SHIELDS LLC's Holding History (CIK: 0000061227)

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

Q1 2021

Shares 73,930 Value ($000) $8,265 Avg Close $101.00 Range $91.73 - $111.76

Q4 2020

Shares 34,922 Value ($000) $3,356 Avg Close $85.63 Range $72.68 - $98.15

Q2 2020

Shares 9,217 Value ($000) $544 Avg Close $54.31 Range $39.60 - $63.49

Q1 2020

Shares 80,458 Value ($000) $3,602 Avg Close $50.63 Range $37.23 - $57.68

Q4 2019

Shares 250,526 Value ($000) $12,549 Avg Close $47.00 Range $43.45 - $50.25

Q3 2019

Shares 344,490 Value ($000) $16,212 Avg Close $41.06 Range $34.02 - $47.16

Q1 2019

Shares 32,000 Value ($000) $1,142 Avg Close $32.31 Range $26.52 - $39.16

Q4 2018

Shares 31,700 Value ($000) $885 Avg Close $26.16 Range $22.58 - $29.45

Period	Shares	Value ($000)	Average Close	Price Range
Q1 2021	73,930	$8,265	$101.00	$91.73 - $111.76
Q4 2020	34,922	$3,356	$85.63	$72.68 - $98.15
Q2 2020	9,217	$544	$54.31	$39.60 - $63.49
Q1 2020	80,458	$3,602	$50.63	$37.23 - $57.68
Q4 2019	250,526	$12,549	$47.00	$43.45 - $50.25
Q3 2019	344,490	$16,212	$41.06	$34.02 - $47.16
Q1 2019	32,000	$1,142	$32.31	$26.52 - $39.16
Q4 2018	31,700	$885	$26.16	$22.58 - $29.45