PROTHENA CORP PLC

Ticker: PRTA CUSIP: G72800108 Class: Common Stock

KBC Group NV's Holding History (CIK: 0001411133)

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

Q1 2024

Shares 1,581 Value ($000) $0 Avg Close $29.75 Range $24.25 - $41.55

Q4 2023

Shares 930 Value ($000) $0 Avg Close $38.49 Range $28.51 - $55.89

Q3 2023

Shares 930 Value ($000) $0 Avg Close $59.41 Range $45.22 - $73.14

Q4 2013

Shares 1,763 Value ($000) $47 Avg Close $25.08 Range $18.93 - $30.55

Q3 2013

Shares 3,877 Value ($000) $78 Avg Close $17.69 Range $12.14 - $22.48

Q2 2013

Shares 3,969 Value ($000) $51 Avg Close $9.30 Range $6.49 - $14.00

Period	Shares	Value ($000)	Average Close	Price Range
Q1 2024	1,581	$0	$29.75	$24.25 - $41.55
Q4 2023	930	$0	$38.49	$28.51 - $55.89
Q3 2023	930	$0	$59.41	$45.22 - $73.14
Q4 2013	1,763	$47	$25.08	$18.93 - $30.55
Q3 2013	3,877	$78	$17.69	$12.14 - $22.48
Q2 2013	3,969	$51	$9.30	$6.49 - $14.00