The board of BUTONG GROUP has convened its 2026 Annual General Meeting for 10:00 a.m. on Friday, 5 June 2026, at 4/F, Building 10, Lane 28, Danba Road, Putuo District, Shanghai, PRC. Shareholders will vote on the following key resolutions:

1. Financial Statements • Approval of the audited consolidated financial statements and the directors’ and independent auditor’s reports for the year ended 31 December 2025.

2. Board Composition and Remuneration • Re-election of six retiring directors: executive directors Mr. Wang Wei, Ms. Shen Ling and Mr. Yan Dong; independent non-executive directors Mr. Yan Jianjun, Mr. Yu Chun Kau and Ms. Chan Wing Ki. • Authorisation for the board to determine directors’ remuneration.

3. Auditor Appointment • Re-appointment of KPMG as external auditor until the conclusion of the next AGM, with the board authorised to set audit fees.

4. Share Capital Mandates • General mandate permitting the board to issue, allot or deal with additional shares and/or resell treasury shares up to 20% of the issued share capital (excluding treasury shares) during the mandate period. • Authority for the company to repurchase its own shares on the Hong Kong Stock Exchange or other recognised exchanges, up to a 10% cap of issued shares (excluding treasury shares). • Extension of the 20% issuance mandate by the number of shares repurchased under the 10% buy-back mandate, effectively allowing an additional issuance capacity of up to 10% of issued shares, subject to approval of the preceding resolutions.

Key Administrative Dates • Share transfer books close: Tuesday, 2 June 2026 to Friday, 5 June 2026 (both days inclusive). • Last day to lodge share transfer documents: 4:30 p.m., Monday, 1 June 2026, with Computershare Hong Kong Services Limited, Shops 1712-1716, 17/F, Hopewell Centre, 183 Queen’s Road East, Wanchai, Hong Kong. • Shareholders on record as of 5 June 2026 are entitled to attend and vote.

Proxy Arrangements • Eligible shareholders may appoint a proxy; forms must be deposited with the company’s Hong Kong branch registrar at least 48 hours before the meeting.

Board Composition as of Notice Date • Executive Directors: Mr. Wang Wei (Chairman), Ms. Shen Ling, Mr. Yan Dong. • Independent Non-Executive Directors: Mr. Yan Jianjun, Mr. Yu Chun Kau, Ms. Chan Wing Ki.

The proposed mandates aim to provide the board with flexibility in capital management while maintaining shareholder oversight at the forthcoming AGM.