PROTHENA CORP PLC

Ticker: PRTA CUSIP: G72800108 Class: Common Stock

Advisory Services Network, LLC's Holding History (CIK: 0001573876)

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

Q4 2023

Shares 1,208 Value ($000) $44 Avg Close $38.49 Range $28.51 - $55.89

Q1 2023

Shares 8 Value ($000) $0 Avg Close $52.83 Range $45.06 - $60.82

Q3 2018

Shares 17 Value ($000) $0 Avg Close $14.44 Range $12.23 - $15.91

Q4 2017

Shares 2 Value ($000) $0 Avg Close $50.91 Range $34.85 - $64.96

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2023	1,208	$44	$38.49	$28.51 - $55.89
Q1 2023	8	$0	$52.83	$45.06 - $60.82
Q3 2018	17	$0	$14.44	$12.23 - $15.91
Q4 2017	2	$0	$50.91	$34.85 - $64.96