China Electric Research Institute: Shareholder stake increase

China National Electric Apparatus Research Institute (the "Company") announced that controlling shareholder, China National Machinery Industry Corporation ("SINOMACH") and its concerted actor, National Machinery Capital Holding Co., Ltd. ("SINOMACH Capital"), increased their stake in the company. From April 24, 2025, to April 29, 2025, SINOMACH Capital acquired 4,317,373 shares via the Shanghai Stock Exchange, increasing the total holdings of SINOMACH and SINOMACH Capital from 214,909,510 shares to 219,226,883 shares, representing an increase from 53.13% to 54.20% of the total share capital. The purchase was conducted through centralized bidding transactions using SINOMACH Capital's own funds and bank loans. The company has been notified of these changes, and SINOMACH Capital will continue the purchasing plan as planned.