第 1 步：前往 www.envisionreports.com/CB。 第 2 步：點擊 “投票” 或 “索取材料”。 第 3 步：按照屏幕上的説明登錄。 www.envisionreports.com/CB Online 前往 www.envisionreports.com/CB 或掃描二維碼 — 登錄詳細信息位於下方陰影欄中的 。 樣本公司 股東大會通知 03YFVD + + + 關於將於 2024 年 5 月 16 日舉行的 Chubb Limited年度股東大會的代理材料可用性的重要通知根據美國證券交易委員會的規定，您收到的通知是，年度 股東大會的代理材料可在互聯網上獲得。按照以下説明查看材料並在線投票 或索取副本。有待表決的項目和年度股東大會的地點在反面。 你的投票很重要！ 本通訊僅概述了互聯網上可供您使用的更完整的代理材料。 我們鼓勵您在投票前訪問和查看代理材料中包含的所有重要信息。 向股東提交的委託書和年度報告可在以下網址獲得： 獲取代理材料的副本 — 如果您想收到代理材料的副本，則必須索取 一份。您無需為索取副本付費。請在會議前 10 天或之前按照反面 的指示提出您的請求，以便於及時交付。 2NOT 輕鬆在線訪問 — 查看您的代理材料並投票。 當您上網時，您還可以同意接收未來材料的電子交付，從而保護環境。 必須在 2024 年 5 月 15 日美國東部時間下午 12:00（中部 歐洲時間下午 6:00）之前收到 以電子方式提交的選票第 4 步：按照每個屏幕上的説明根據您的配送偏好進行選擇。 第 5 步：為您的股票投票。

Here’s how to order a copy of the proxy materials and select delivery preferences: Current and future delivery requests can be submitted using the options below. If you request an email copy, you will receive an email with a link to the current meeting materials. PLEASE NOTE: You must use the number in the shaded bar on the reverse side when requesting a copy of the proxy materials. — Internet – Go to www.envisionreports.com/CB. Click Cast Your Vote or Request Materials. — Phone – Call us free of charge at 1-866-641-4276. — Email – Send an email to investorvote@computershare.com with “Proxy Materials Chubb Limited” in the subject line. Include your full name and address, plus the number located in the shaded bar on the reverse side, and state that you want a paper copy of the meeting materials. To facilitate timely delivery, all requests for a paper copy of proxy materials must be received by 10 days before the meeting. Chubb Limited’s Annual General Meeting will be held on May 16, 2024 at the Company’s offices at Bärengasse 32, CH-8001 Zurich, Switzerland, at 2:45 p.m. Central European Time. Proposals to be voted on at the meeting are listed below along with the Board of Directors’ recommendations. The Board of Directors of the Company recommends that you vote your shares “FOR” each of the Agenda Items 1 – 14 (including each subpart thereof): 1. Approval of the management report, standalone financial statements and consolidated financial statements of Chubb Limited for the year ended December 31, 2023 2. Allocation of disposable profit and distribution of a dividend from reserves 2.1 Allocation of disposable profit 2.2 Distribution of a dividend out of legal reserves (by way of release and allocation to a dividend reserve) 3. Discharge of the Board of Directors 4. Election of Auditors 4.1 Election of PricewaterhouseCoopers AG (Zurich) as our statutory auditor 4.2 Ratification of appointment of PricewaterhouseCoopers LLP (United States) as independent registered public accounting firm for purposes of U.S. securities law reporting 4.3 Election of BDO AG (Zurich) as special audit firm 5. Election of the Board of Directors 6. Election of the Chairman of the Board of Directors 7. Election of the Compensation Committee of the Board of Directors 8. Election of Homburger AG as independent proxy 9. Cancellation of repurchased shares 10. Approval of a capital band for authorized share capital increases and reductions 11. Approval of the amended and restated Chubb Limited Employee Stock Purchase Plan 12. Approval of the compensation of the Board of Directors and Executive Management under Swiss law requirements 12.1 Maximum compensation of the Board of Directors until the next annual general meeting 12.2 Maximum compensation of Executive Management for the 2025 calendar year 12.3 Advisory vote to approve the Swiss compensation report 13. Advisory vote to approve executive compensation under U.S. securities law requirements 14. Approval of the Sustainability Report of Chubb Limited for the year ended December 31, 2023 The Board of Directors of the Company recommends that you vote your shares “AGAINST” each of the Agenda Items 15 - 16: 15. Shareholder proposal on Scope 3 greenhouse gas emissions reporting, if properly presented 16. Shareholder proposal on pay gap reporting, if properly presented PLEASE NOTE – YOU CANNOT VOTE BY RETURNING THIS NOTICE. To vote your shares, you must vote online or request a paper copy of the proxy materials to receive a proxy card. If you wish to attend and vote at the meeting, you must obtain an admissions ticket as indicated in the proxy materials. You may also contact Investor Relations at +1 (212) 827-4445 for directions and information regarding admission to the meeting. Shareholder Meeting Notice