PROTHENA CORP PLC

Ticker: PRTA CUSIP: G72800108 Class: Common Stock

Plante Moran Financial Advisors, LLC's Holding History (CIK: 0001424717)

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

Q1 2023

Shares 9 Value ($000) $0 Avg Close $52.83 Range $45.06 - $60.82

Q3 2020

Shares 100 Value ($000) $1 Avg Close $12.03 Range $9.67 - $13.78

Q2 2020

Shares 100 Value ($000) $1 Avg Close $11.11 Range $9.25 - $12.98

Q1 2020

Shares 100 Value ($000) $1 Avg Close $12.11 Range $7.10 - $16.05

Q4 2019

Shares 100 Value ($000) $2 Avg Close $10.72 Range $7.40 - $17.63

Period	Shares	Value ($000)	Average Close	Price Range
Q1 2023	9	$0	$52.83	$45.06 - $60.82
Q3 2020	100	$1	$12.03	$9.67 - $13.78
Q2 2020	100	$1	$11.11	$9.25 - $12.98
Q1 2020	100	$1	$12.11	$7.10 - $16.05
Q4 2019	100	$2	$10.72	$7.40 - $17.63