TWIST BIOSCIENCE CORP

Ticker: TWST CUSIP: 90184D100 Class: Common Stock

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

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

Q1 2021

Shares 12,500 Value ($000) $1,548 Avg Close $151.85 Range $102.86 - $214.07

Q4 2020

Shares 20,900 Value ($000) $2,953 Avg Close $110.94 Range $74.25 - $170.86

Q3 2020

Shares 24,200 Value ($000) $1,838 Avg Close $62.26 Range $43.61 - $79.72

Period	Shares	Value ($000)	Average Close	Price Range
Q1 2021	12,500	$1,548	$151.85	$102.86 - $214.07
Q4 2020	20,900	$2,953	$110.94	$74.25 - $170.86
Q3 2020	24,200	$1,838	$62.26	$43.61 - $79.72