Baiyunshan: Vice Chairman Yang Jun resigned due to work transfer.

Baiyunshan Announcement: The Board of Directors of the company received a written resignation report from Mr. Yang Jun, Vice Chairman, on June 13, 2025. Due to job transfer, Mr. Yang Jun resigned from the positions of Vice Chairman, Executive Director, Chairman of the Strategic Development and Investment Committee, and member of the Nomination and Remuneration Committee. After resigning, he will no longer hold any position in the company or its subsidiaries. Mr. Yang Jun confirmed that there is no disagreement with the Board of Directors, his resignation did not result in the number of Board members falling below the statutory minimum, and it does not affect the normal operation of the company. Mr. Yang Jun does not hold any shares of the company, and the company will promptly appoint a new director.