你的投票很重要。请今天投票。通过互联网投票-快速轻松即时投票-每周 7 天、每天 24 小时或通过邮寄方式投票 2024 VINFAST AUTO LTD.（在新加坡共和国注册成立）（公司注册号 201501874G）您的互联网投票授权指定代理人以与您标记、签署和归还代理卡相同的方式对您的股票进行投票。通过互联网以电子方式提交的选票必须在东部时间2024年6月24日上午8点59分之前收到。互联网——www.cstproxyvote.com 使用互联网为你的代理投票。访问上述网站时，请准备好您的代理卡。按照提示对您的股票进行投票。在会议上投票-如果您计划参加虚拟的在线年度股东大会，则需要您的 12 位控制号码才能在年度股东大会上进行电子投票。要参加：https://www.cstproxy.com/vinfastauto/2024 MAIL-在代理卡上标记、签名并注明日期，然后将其放入提供的已付邮资信封中退回。如果董事会建议对提案1、2、3、4、5、6、7、8、9、10、11和12投赞成票，请在此处折叠代理卡，不要分开或插入信封中。请将你的选票标记为这次董事选举 (1) Pham Nhat Vuong (2) Le Thi Thuy (3) Ling Chung Yee Roy (4) Tham Chee Soon (5) Nguyen Thi Van Trinh (6) Nguyen Thi Lan Anh 反对弃权票 10。任命安永会计师事务所和安永越南有限公司为截至2024年12月31日的财政年度的公司审计师，并授权董事固定薪酬。11.接收并通过截至2023年12月31日的财政年度的董事报表和经审计的财务报表（根据新加坡财务报告准则（国际）进行审计和报告，以及相关的审计报告（“2023年SFRS财务报告”）。因为反对弃权反对反对弃权 7.批准和批准截至2023年12月31日的财政年度总额为20万美元的董事费。8.批准支付截至2024年12月31日的财政年度的总额不超过50万美元的董事费。9.批准支付 “反对弃权” 或 “弃权” 或 “反对弃权” 的董事费 12.批准委托书中规定的股票发行。在截至2025年12月31日的财政年度，反对弃权的总金额不超过50万美元。控制编号签名签名，如果共同持有日期，2024 年注意：请完全按照此处显示的姓名签名。当股份由共同所有者持有时，双方都应签字。签约成为律师、遗嘱执行人、管理人、受托人、监护人或公司高管时，请注明相应的头衔。 X

188580 Vinfast Auto Ltd. Proxy Card Rev3 Back 2024 Important Notice Regarding the Internet Availability of Proxy Materials for the Annual General Meeting To view the 2024 Proxy Statement, 2024 Annual Report and to Attend the Annual General Meeting, please go to: https://www.cstproxy.com/vinfastauto/2024 PROXY CARD FOLD HERE • DO NOT SEPARATE • INSERT IN ENVELOPE PROVIDED THIS PROXY IS SOLICITED ON BEHALF OF THE BOARD OF DIRECTORS VINFAST AUTO LTD. Incorporated in the Republic of Singapore) (Company Registration No: 201501874G) I/We*, (Name), NRIC/Passport Number/Company Registration Number* of (Address) being a member/members* of VINFAST AUTO LTD. (the “Company”), hereby appoint: Name NRIC/Passport No. Proportion of Shareholdings No. of Shares % Address and/or Name NRIC/Passport No. Proportion of Shareholdings No. of Shares % Address or failing the person, or either or both of the persons, referred to above, the Chairman of the Meeting as my/our proxy/proxies to attend and vote for me/us on my/our behalf at the annual general meeting (“AGM” or “Meeting”) of the Company to be held at https://www.cstproxy.com/vinfastauto/2024 on June 27, 2024 at 9:00 PM (Singaporean time) and at any adjournment thereof. I/We direct my/our proxy/proxies* to vote for or against the Resolutions proposed at the Meeting as voted as indicated in the proxy card, which accompanied the notice of the 2024 AGM. If no specific direction as to voting is given, the proxy/proxies will vote or abstain from voting at his/her/their discretion, as he/she/they* will on any other matter arising at the Meeting and at any adjournment thereof. Dated this day of 2024 Signature of Member(s) or Common Seal of corporate Member Please, see notes on this proxy form at https://www.cstproxy.com/vinfastauto/2024 (Continued and to be marked, dated and signed, on the other side) Total number of Shares in Register of Members No. of Shares