Company: PRTA
Filing Date: 2025-03-28
Form Type: DEF 14A
Source: 0001559053-25-000017
Chunk: 40

Company: PROTHENA CORP PUBLIC LTD CO
Filing Date: 2025-03-28
Form: DEF 14A
Chunk 40
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 Analysis , compensation tables, and accompanying narrative disclosures in this Proxy Statement demonstrate that our executive compensation programs were designed appropriately and are working to further align the interests of our management team with the interests of our shareholders and support long-term value creation, and that those interests were well-served in fiscal year 2024. Accordingly, we are asking shareholders to approve the following non-binding advisory resolution at the Annual Meeting:

RESOLVED, that the shareholders of Prothena Corporation plc (the "Company") approve, on an advisory basis, the compensation of the Company’s named executive officers, as disclosed in the Compensation Discussion and Analysis , compensation tables, and accompanying narrative disclosures set forth in this Proxy Statement.

The vote on this Proposal No. 3 is advisory, and, therefore, not binding on the Company, our Board, or its Compensation Committee. Although non-binding, our Board and its Compensation Committee will review and consider the voting on this Proposal No. 3 when making future decisions regarding compensation of our named executive officers.

| THE BOARD OF DIRECTORS UNANIMOUSLY RECOMMENDS THAT SHAREHOLDERS VOTEFORTHE NON-BINDING ADVISORY RESOLUTION APPROVING THE COMPENSATION OF OUR NAMED EXECUTIVE OFFICERS. |

| 24 |     | 2025 PROXY STATEMENT |

#### TABLE OF CONTENTS
| PROPOSAL 
 NO. 4    |     | APPROVAL OF AN AMENDMENT TO THE PROTHENA CORPORATION PLC 2018 LONG TERM INCENTIVE PLAN TO INCREASE THE NUMBER OF ORDINARY SHARES AVAILABLE FOR ISSUANCE UNDER THAT PLAN BY 2,000,000 ORDINARY SHARES |

| Summary |

On February 26, 2025, our Board adopted, subject to shareholder approval, a further amendment (the "Amendment") to the Prothena Corporation plc 2018 Long Term Incentive Plan, as amended (the “2018 LTIP” and, as proposed to be amended by the Amendment, the “Amended 2018 LTIP”), to increase the number of shares available under the 2018 LTIP by 2,000,000 ordinary shares. The effectiveness of the Amendment is subject to approval by our shareholders.

The 2018 LTIP was adopted by our Board on February 21, 2018, and approved by our shareholders on May 15, 2018, and has been subsequently amended by our Board and approved by our shareholders on five occasions. The 2018 LT