建投能源：董事长曹欣辞职

Core Viewpoint - The resignation of Chairman Cao Xin will not affect the normal operation of the company's board and its production activities [1] Group 1 - Chairman Cao Xin submitted a written resignation report due to work adjustments [1] - The resignation is effective immediately upon delivery to the company's board [1] - The board has nominated Qin Gang as a candidate for the company's tenth board of directors and will propose this to the shareholders' meeting for election [1]