PROTHENA CORP PLC

Ticker: PRTA CUSIP: G72800108 Class: Common Stock

HBK INVESTMENTS L P's Holding History (CIK: 0001011443)

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

Q1 2019

Shares 15,000 Value ($000) $182 Avg Close $12.49 Range $9.97 - $14.77

Q4 2017

Shares 5,694 Value ($000) $213 Avg Close $50.91 Range $34.85 - $64.96

Q4 2015

Shares 16,600 Value ($000) $1,131 Avg Close $60.32 Range $40.47 - $76.42

Q3 2015

Shares 10,200 Value ($000) $462 Avg Close $58.24 Range $42.20 - $70.52

Q2 2015

Shares 19,200 Value ($000) $1,011 Avg Close $39.47 Range $30.14 - $55.97

Q2 2014

Shares 16,695 Value ($000) $376 Avg Close $25.01 Range $18.52 - $41.33

Q1 2014

Shares 22,300 Value ($000) $854 Avg Close $32.24 Range $24.42 - $49.24

Period	Shares	Value ($000)	Average Close	Price Range
Q1 2019	15,000	$182	$12.49	$9.97 - $14.77
Q4 2017	5,694	$213	$50.91	$34.85 - $64.96
Q4 2015	16,600	$1,131	$60.32	$40.47 - $76.42
Q3 2015	10,200	$462	$58.24	$42.20 - $70.52
Q2 2015	19,200	$1,011	$39.47	$30.14 - $55.97
Q2 2014	16,695	$376	$25.01	$18.52 - $41.33
Q1 2014	22,300	$854	$32.24	$24.42 - $49.24