Pioneer Environmental Protection Notice. The company held an interim meeting on December 25, 2025. Due to work adjustments, Mr. Liu Yongzheng no longer served as chairman and legal representative, and resigned as a director and board of directors in the special committee; Mr. Deng Wenbin resigned as a director and board of directors. Meanwhile, Mr. Li Fujing no longer holds the position of general manager, but continues to serve as chairman, director and special committee of the board of directors. The meeting also passed proposals to elect Mr. Li Fujing as the chairman and legal representative, and to elect Ms. Zhang Meng as vice chairman.

Pioneer Environmental Protection Notice. The company held an interim meeting on December 25, 2025. Due to work adjustments, Mr. Liu Yongzheng no longer served as chairman and legal representative, and resigned as a director and board of directors in the special committee; Mr. Deng Wenbin resigned as a director and board of directors. Meanwhile, Mr. Li Fujing no longer holds the position of general manager, but continues to serve as chairman, director and special committee of the board of directors. The meeting also passed proposals to elect Mr. Li Fujing as the chairman and legal representative, and to elect Ms. Zhang Meng as vice chairman.