TWIST BIOSCIENCE CORP

Ticker: TWST CUSIP: 90184D100 Class: Common Stock

Artal Group S.A.'s Holding History (CIK: 0001053906)

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

Q4 2019

Shares 100,000 Value ($000) $2,100 Avg Close $23.40 Range $20.45 - $28.23

Q3 2019

Shares 100,000 Value ($000) $2,388 Avg Close $29.07 Range $23.08 - $35.95

Q2 2019

Shares 100,000 Value ($000) $2,901 Avg Close $26.45 Range $20.30 - $34.33

Q1 2019

Shares 150,000 Value ($000) $3,477 Avg Close $22.59 Range $19.64 - $28.85

Q4 2018

Shares 150,000 Value ($000) $3,464 Avg Close $22.16 Range $12.38 - $34.46

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2019	100,000	$2,100	$23.40	$20.45 - $28.23
Q3 2019	100,000	$2,388	$29.07	$23.08 - $35.95
Q2 2019	100,000	$2,901	$26.45	$20.30 - $34.33
Q1 2019	150,000	$3,477	$22.59	$19.64 - $28.85
Q4 2018	150,000	$3,464	$22.16	$12.38 - $34.46