Weibo Corporation (HKEX: 09898; NASDAQ: WB) has issued a Notice of Annual General Meeting (AGM) scheduled for 27 May 2026 at 2:30 p.m. (Hong Kong time) at 5809-5810, Two International Finance Centre, Central, Hong Kong.

Key matters to be decided: 1. Ordinary resolutions to re-elect three directors: • Charles Guowei Chao – Chairman of the Board and Weibo’s founding director • Gaofei Wang – Chief Executive Officer and director • Pochin Christopher Lu – Independent director and Executive Director & CFO of Foxconn Interconnect Technology Ltd.

Shareholder participation: • Shares Record Date: close of business on 27 April 2026 (Hong Kong time). • ADS Record Date: close of business on 27 April 2026 (New York time). • Registered shareholders as of the Shares Record Date may attend and vote in person or by proxy; ADS holders must instruct depositary JPMorgan Chase Bank, N.A. by 9:00 a.m. (Eastern Time) on 19 May 2026.

Proxy logistics: • Proxy forms for share holders must reach Computershare Hong Kong Investor Services by 48 hours before the AGM. • The AGM chairman, when appointed as proxy with discretion, is expected to vote in favour of the proposed resolutions. • Shareholders may revoke or amend proxies up to 48 hours before the AGM, or later at the chairman’s discretion.

Board composition at the notice date (13 April 2026) comprises directors Charles Guowei Chao, Gaofei Wang, Hong Du and Bo Liu, alongside independent directors Pochin Christopher Lu, Pehong Chen and Yan Wang.

The company’s 2025 annual report is available on the Weibo investor relations website, HKEXnews and the SEC’s EDGAR system, or upon request from the Investor Relations Department.