PROTHENA CORP PUBLIC LTD CO — Director's Dealing 2017

Mar 9, 2017

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: Prothena Corp plc (PRTA)
CIK: 0001559053
Period of Report: 2017-03-09

Reporting Person: Nguyen Tran (Chief Financial Officer)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2017-03-09	Ordinary Shares, par value $0.01 per share	P	1000	$51.3172	Acquired	3200	Direct

Footnotes

F1: The shares were purchased in multiple trades at prices ranging from $51.2492 to $51.46 inclusive. The price reported in Column 4 above reflects the weighted average purchase price. The Reporting Person hereby undertakes to provide upon request to the SEC staff, the Issuer, or a stockholder of the Issuer, information regarding the number of shares and prices at which the transaction was effected.