PROTHENA CORP PLC

Ticker: PRTA CUSIP: G72800108 Class: Common Stock

SeaCrest Wealth Management, LLC's Holding History (CIK: 0001728121)

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

Q1 2019

Shares 9 Value ($000) $0 Avg Close $12.49 Range $9.97 - $14.77

Q4 2018

Shares 9 Value ($000) $0 Avg Close $11.89 Range $8.63 - $13.83

Q3 2018

Shares 32 Value ($000) $0 Avg Close $14.44 Range $12.23 - $15.91

Q2 2018

Shares 32 Value ($000) $0 Avg Close $19.75 Range $10.43 - $44.75

Q1 2018

Shares 81 Value ($000) $3 Avg Close $36.37 Range $27.19 - $46.14

Q4 2017

Shares 32 Value ($000) $1 Avg Close $50.91 Range $34.85 - $64.96

Period	Shares	Value ($000)	Average Close	Price Range
Q1 2019	9	$0	$12.49	$9.97 - $14.77
Q4 2018	9	$0	$11.89	$8.63 - $13.83
Q3 2018	32	$0	$14.44	$12.23 - $15.91
Q2 2018	32	$0	$19.75	$10.43 - $44.75
Q1 2018	81	$3	$36.37	$27.19 - $46.14
Q4 2017	32	$1	$50.91	$34.85 - $64.96