China Power Research Institute: Qinhan Army resigned as chairman and other positions due to job adjustment.

Announcement from China Electric Research Institute: The company's board of directors received a written resignation report from Mr. Qin Hanjun on May 22, 2026. Due to work adjustment, Mr. Qin Hanjun resigned from the positions of company director, chairman of the board, legal representative, and director of the board's strategic committee. As of the date of this announcement, Mr. Qin Hanjun indirectly holds 1.7249 million shares of the company through the company's employee shareholding platform Guangzhou Kaitian Investment Management Center, accounting for 0.43% of the total shares of the company. On May 22, 2026, the company held the 21st meeting of the second session of the board of directors and approved the proposal for the election of the company's chairman. The board of directors agreed to elect Mr. Sun Junguang, the company's director and general manager, as the company's chairman, with a term from the date of approval by this board of directors to the expiration of the term of the second board of directors.