PROTHENA CORP PLC

Ticker: PRTA CUSIP: G72800108 Class: Common Stock

Fisher Asset Management, LLC's Holding History (CIK: 0000850529)

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

Q1 2018

Shares 27,485 Value ($000) $1,009 Avg Close $36.37 Range $27.19 - $46.14

Q4 2017

Shares 27,485 Value ($000) $1,030 Avg Close $50.91 Range $34.85 - $64.96

Q3 2017

Shares 21,813 Value ($000) $1,413 Avg Close $61.26 Range $52.91 - $70.00

Q2 2017

Shares 21,822 Value ($000) $1,181 Avg Close $53.29 Range $48.23 - $59.10

Q1 2017

Shares 13,503 Value ($000) $753 Avg Close $52.54 Range $45.13 - $63.14

Q4 2016

Shares 10,718 Value ($000) $527 Avg Close $55.18 Range $40.58 - $68.18

Q3 2016

Shares 13,856 Value ($000) $831 Avg Close $53.65 Range $35.04 - $64.50

Q2 2016

Shares 19,040 Value ($000) $845 Avg Close $43.55 Range $33.53 - $51.45

Q1 2016

Shares 19,076 Value ($000) $903 Avg Close $39.14 Range $28.20 - $67.32

Q4 2015

Shares 19,040 Value ($000) $1,297 Avg Close $60.32 Range $40.47 - $76.42

Q3 2015

Shares 19,040 Value ($000) $863 Avg Close $58.24 Range $42.20 - $70.52

Period	Shares	Value ($000)	Average Close	Price Range
Q1 2018	27,485	$1,009	$36.37	$27.19 - $46.14
Q4 2017	27,485	$1,030	$50.91	$34.85 - $64.96
Q3 2017	21,813	$1,413	$61.26	$52.91 - $70.00
Q2 2017	21,822	$1,181	$53.29	$48.23 - $59.10
Q1 2017	13,503	$753	$52.54	$45.13 - $63.14
Q4 2016	10,718	$527	$55.18	$40.58 - $68.18
Q3 2016	13,856	$831	$53.65	$35.04 - $64.50
Q2 2016	19,040	$845	$43.55	$33.53 - $51.45
Q1 2016	19,076	$903	$39.14	$28.20 - $67.32
Q4 2015	19,040	$1,297	$60.32	$40.47 - $76.42
Q3 2015	19,040	$863	$58.24	$42.20 - $70.52