Weibo Corporation-Prof 4 年度 3 月 30 日至 23 日的年度股东大会反对弃权 第 1 号决议。根据公司的备忘录和公司章程，洪杜女士将在本次年度股东大会上再次当选为公司董事， 将继续任职至退休。 第 2 号决议。根据公司的备忘录和公司章程，陈培宏先生将在本次年度股东大会上再次当选为公司董事， 将任职至退休。 第 3 号决议。根据公司的备忘录和公司章程，王岩先生将在本次年度股东大会上再次当选为公司董事， 将任职至退休。 第 4 号决议。对公司的第三次修订和重述的公司备忘录和细则（“现有的 公司章程”）进行修订和重述，全部删除，并以 代替随附的股东周年大会通知所附的第四次修订和重述的公司章程备忘录和章程（ “新公司章程”），以提出 (i) 等符合对 香港上市规则附录3的适用修订的现有组织章程细则，以及 (ii) 在 拟议采用《新公司章程》的同时，做出其他相应的内部变更。 微博公司 致代表 微博公司 A 类普通股的美国存托股份（“ADS”）的注册持有人 年度股东大会 请在下方签名日期： 请在本卡正面和存托机构账簿上完全按照您的姓名 签署。共同所有者 应各自亲自签名。受托人和其他受托人应注明 他们签署的身份，如果出现多个名字，则必须有 多数人签署。如果是公司，则该签名应是 授权官员的签名，该官员应说明自己的头衔。 在此处折叠并分离 请参阅此卡片的背面，了解将在会议上表决的决议。 地址变更在下方选中方框，签名并注明更改/评论： 如果您想向公司指定的人员提供全权委托 代理人，请在右边标记方框。 请注意：标记此方框会使上述任何其他 说明失效。 摩根大通银行，北卡罗来纳州，存托机构 邮政信箱 64873 明尼苏达州圣保罗 55164-0873

Weibo Corporation - Proof 4 30-Mar-23 Annual General Meeting 1. As an ordinary resolution: THAT Ms. Hong Du shall be re-elected as a director of the Company at this annual general meeting and retain office until her retirement pursuant to the Company’s memorandum and articles of association. 2. As an ordinary resolution: THAT Mr. Pehong Chen shall be re-elected as a director of the Company at this annual general meeting and retain office until his retirement pursuant to the Company’s memorandum and articles of association. 3. As an ordinary resolution: THAT Mr. Yan Wang shall be re-elected as a director of the Company at this annual general meeting and retain office until his retirement pursuant to the Company’s memorandum and articles of association. 4. As a special resolution: THAT the Company’s Third Amended and Restated Memorandum and Articles of Association (the “Existing Articles of Association”) in effect be amended and restated by the deletion in their entirety and by the substitution in their place of the Fourth Amended and Restated Memorandum and Articles of Association (the “New Articles of Association”) annexed to the accompanying AGM notice for the purposes of, among others, (i) bringing the Existing Articles of Association in line with applicable amendments made to Appendix 3 to Hong Kong Listing Rules, and (ii) making other consequential and housekeeping changes in conjunction with the proposed adoption of the New Articles of Association. Weibo Corporation JPMorgan Chase Bank, N.A., Depositary PO Box 64873, Saint Paul MN 55164-0873 Voting Instruction Card PLEASE MARK, DATE AND SIGN ON REVERSE SIDE AND RETURN PROMPTLY IN THE ENCLOSED ENVELOPE. JPMorgan Chase Bank, N.A. (the “Depositary”) has received advice that the Annual General Meeting (the “Meeting”) of Weibo Corporation, a Cayman Islands company, (the “Company”) will be held at 2:00 p.m. (Hong Kong time) on Wednesday, May 24, 2023, at 5809-5810, Two International Finance Centre, 8th Finance Street, Central, Hong Kong, for the purposes set forth on this card. If you are desirous of having the Depositary, through its Nominee or Nominees, vote or execute a proxy to vote the Class A Ordinary Shares of the Company (the “Shares”) represented by your ADSs FOR or AGAINST or to ABSTAIN from voting on the Resolutions to be proposed at the Meeting, kindly execute and forward to the Depositary, the attached Voting Instruction Card. The enclosed postage-paid envelope is provided for this purpose. This Voting Instruction Card should be executed in such a manner as to show clearly whether you desire the Nominee or the Nominees of the Depositary to vote FOR or AGAINST or to ABSTAIN from the Resolutions, or any of them, as the case may be. Alternatively, you may include instructions to give a discretionary proxy to a person designated by the Company. The Voting Instruction Card MUST be forwarded in sufficient time to reach the Depositary before 9:00 a.m. (Eastern Time), May 15, 2023. Only the registered holders of record as of the close of business on April 21, 2023, will be entitled to execute the attached Voting Instruction Card. The signatory, a registered holder of ADSs representing Shares of the Company, of record on April 21, 2023, hereby requests and authorizes the Depositary, through its Nominee or Nominees, to vote or execute a proxy to vote at the Meeting the underlying Shares of the Company represented by ADSs, in accordance with the instructions given on this card. NOTE: In order to have the aforesaid shares voted, this Voting Instruction Card MUST be returned before 9:00 a.m. (Eastern Time), on May 15, 2023. To view the proxy materials, please visit http://ir.weibo.com/ JPMorgan Chase Bank, N.A., Depositary