PROTHENA CORP PLC

Ticker: PRTA CUSIP: G72800108 Class: Common Stock

SCOPIA CAPITAL MANAGEMENT LP's Holding History (CIK: 0001279150)

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

Q1 2019

Shares 600,000 Value ($000) $7,278 Avg Close $12.49 Range $9.97 - $14.77

Q4 2018

Shares 4,618,164 Value ($000) $47,567 Avg Close $11.89 Range $8.63 - $13.83

Q3 2018

Shares 3,916,407 Value ($000) $51,227 Avg Close $14.44 Range $12.23 - $15.91

Q2 2018

Shares 3,510,884 Value ($000) $51,189 Avg Close $19.75 Range $10.43 - $44.75

Period	Shares	Value ($000)	Average Close	Price Range
Q1 2019	600,000	$7,278	$12.49	$9.97 - $14.77
Q4 2018	4,618,164	$47,567	$11.89	$8.63 - $13.83
Q3 2018	3,916,407	$51,227	$14.44	$12.23 - $15.91
Q2 2018	3,510,884	$51,189	$19.75	$10.43 - $44.75