PROTHENA CORP PLC

Ticker: PRTA CUSIP: G72800108 Class: Common Stock

Hood River Capital Management LLC's Holding History (CIK: 0001578177)

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

Q4 2017

Shares 213,119 Value ($000) $7,990 Avg Close $50.91 Range $34.85 - $64.96

Q3 2017

Shares 198,276 Value ($000) $12,842 Avg Close $61.26 Range $52.91 - $70.00

Q2 2017

Shares 194,074 Value ($000) $10,503 Avg Close $53.29 Range $48.23 - $59.10

Q1 2017

Shares 188,936 Value ($000) $10,541 Avg Close $52.54 Range $45.13 - $63.14

Q4 2016

Shares 179,789 Value ($000) $8,844 Avg Close $55.18 Range $40.58 - $68.18

Q3 2016

Shares 121,600 Value ($000) $7,292 Avg Close $53.65 Range $35.04 - $64.50

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2017	213,119	$7,990	$50.91	$34.85 - $64.96
Q3 2017	198,276	$12,842	$61.26	$52.91 - $70.00
Q2 2017	194,074	$10,503	$53.29	$48.23 - $59.10
Q1 2017	188,936	$10,541	$52.54	$45.13 - $63.14
Q4 2016	179,789	$8,844	$55.18	$40.58 - $68.18
Q3 2016	121,600	$7,292	$53.65	$35.04 - $64.50