北京同益中新材料科技股份有限公司关于董事辞职暨补选董事的公告

Group 1 - The company announced the resignation of non-independent directors Jilin Na and Xu Guihong due to work adjustments, effective from September 19, 2025 [2][3] - The company will elect Zhao Yajian as a non-independent director to ensure normal operations, pending approval from the shareholders' meeting [2][3] - The company expressed gratitude for the contributions of the resigning directors during their tenure [3] Group 2 - The company’s chairman and general manager, Huang Xingliang, submitted his resignation as general manager on September 19, 2025, but will continue as chairman [7][8] - Chen Yanhua has been appointed as the new general manager, with a term aligned with the current board [7][8] Group 3 - The company’s supervisory board has decided to cancel the supervisory board and transfer its responsibilities to the audit committee of the board, following a meeting on September 19, 2025 [16][25] - The company will revise its articles of association to reflect the cancellation of the supervisory board and other governance changes, pending shareholder approval [25][26] Group 4 - The company will hold a half-year performance briefing on October 9, 2025, to discuss its operational results and financial status for the first half of 2025 [19][20] - Investors can submit questions in advance for the briefing, which will be conducted via an online interactive format [21][24] Group 5 - The company will convene its second extraordinary general meeting of 2025 on October 10, 2025, to discuss various proposals, including the cancellation of the supervisory board [29][30] - The meeting will utilize both on-site and online voting systems to facilitate shareholder participation [30][31]