上海国际港务（集团）股份有限公司 关于董事长辞职暨推举董事代行董事长职责的公告

Group 1 - The chairman of Shanghai International Port (Group) Co., Ltd., Mr. Gu Jingshan, submitted his resignation due to age reasons, resigning from all positions including chairman and director of the board [1][2] - Mr. Gu's resignation does not affect the minimum number of board members required by law, ensuring the normal operation of the board [2] - The board has appointed Mr. Song Xiaodong, a director and the president of the company, to act as the chairman until a new chairman is elected [2] Group 2 - The company expresses gratitude for Mr. Gu's contributions during his tenure [3] - The board will follow legal procedures to elect a new chairman and fill any vacancies in the board and strategic committee [2]