Chongqing Iron & Steel Company Limited disclosed that Vice Chairman and Director Mr. Song De An and Director Mr. Zhou Ping submitted resignation letters on 3 June 2026, citing personal business commitments.

Mr. Song stepped down from the following positions with immediate effect: • Director and Vice Chairman of the Board • Member of the Strategy and ESG Committee • Member of the Nomination Committee • Member of the Remuneration and Appraisal Committee

Mr. Zhou simultaneously resigned from: • Director of the Board • Member of the Strategy and ESG Committee • Member of the Audit and Risk Committee

The departures do not reduce the Board below its statutory quorum, and daily operations remain unaffected. In accordance with the Company Law of the People’s Republic of China and the company’s Articles of Association, board elections to fill the vacancies will proceed under standard procedures.

Both former directors confirmed the absence of any disagreements with the Board or management and indicated no additional matters requiring shareholder attention. The Board expressed formal appreciation for their diligent service.

Following the resignations, the Board comprises: • Executive Directors: Wang Huxiang, Kuang Yunlong, Chen Yingming • Non-executive Director: Lin Changchun • Independent Non-executive Directors: Sheng Xuejun, Tang Ping, Guo Jiebin

Kuang Yunlong, Board Secretary, signed the announcement in Chongqing on 3 June 2026.