Shandong Baogai New Materials Technology Co., Ltd. (“Baogai New Materials”) has issued a notice convening an Extraordinary General Meeting (EGM) for 10:00 a.m. on Wednesday, 23 September 2026, at the Company’s headquarters in Huantai County, Zibo City, Shandong Province, PRC.

The agenda comprises one special and three ordinary resolutions.

1. Special Resolution • Shareholders will vote on a package of amendments to the Company’s articles of association as detailed in a circular dated 2 September 2026. Directors will be authorised to handle all subsequent regulatory filings and to make additional changes required by relevant authorities.

2. Ordinary Resolutions • Re-election of eight directors: five executive directors—Mr. Liu Zhentao, Ms. Li Xiaoyan, Mr. Li Dong, Ms. Sun Ailing and Ms. Fan Hongyan—and three independent non-executive directors—Mr. Leung Ka Wai, Mr. Wu Yingpeng and Mr. Ji Hongwei. • Authorisation for the board to determine directors’ remuneration.

Voting Arrangements • All resolutions will be decided by poll in accordance with GEM Listing Rule 17.47(4). Results will be published on the Hong Kong Stock Exchange and the Company’s websites.

Share Registration and Proxy Deadlines • The H-share register will be closed from 18 September 2026 to 23 September 2026, inclusive. Share transfers must be lodged by 4:30 p.m. on 17 September 2026 to qualify for voting rights. • Proxy forms must be submitted no later than 10:00 a.m. on 22 September 2026.

Board Composition at Notice Date The board currently comprises five executive directors and three independent non-executive directors, mirroring the individuals standing for re-election.

The notice was authorised for issue by Chairman and Executive Director Mr. Liu Zhentao on 2 September 2026.