Gelonghui January 18丨*ST Tianshan (300313.SZ) announced that the board of directors of the company received a written resignation report from Mr. Ma Changshui, the chairman of the company, on January 18, 2024. Mr. Ma Changshui resigned as chairman and director of the company due to personal reasons. At the same time, he also resigned as chairman of the board's strategy committee, member of the nomination committee, and member of the remuneration and assessment committee. After his resignation, he no longer held any position in the company.

In order to ensure the smooth development of the company's management decisions, all directors of the company jointly nominated Mr. Han ****, director, deputy general manager, and secretary of the board of directors to perform the duties of chairman and act as legal representative until a new chairman is elected.