Ballard Power Systems Inc. SCHEDULE 13D/A

EXECUTIVE OFFICERS, DIRECTORS AND CONTROL PERSONS OF THE REPORTING PERSONS

AMENDED AND RESTATED JOINT FILING AGREEMENT, DATED AS OF MAY 13, 2026, BY AND AMONG WEICHAI POWER HONG KONG INTERNATIONAL DEVELOPMENT CO., LIMITED, WEICHAI POWER CO., LTD. AND SHANDONG HEAVY INDUSTRY GROUP CO., LTD

THE INVESTOR RIGHTS AGREEMENT, DATED AS OF APRIL 8, 2020, WHICH AMENDS AND RESTATES THE INVESTOR RIGHTS AGREEMENT DATED AS OF NOVEMBER 13, 2018, BY AND BETWEEN BALLARD POWER SYSTEMS INC. AND WEICHAI POWER HONG KONG INTERNATIONAL DEVELOPMENT CO., LIMITED

THE POWER OF ATTORNEY OF WEICHAI POWER CO., LTD., DATED AS OF DECEMBER 19, 2025, APPOINTING CHENGLONG SUN AS ITS AUTHORIZED REPRESENTATIVE IN RESPECT OF THE FILING OF SCHEDULE 13D AMENDMENTS

THE POWER OF ATTORNEY OF SHANDONG HEAVY INDUSTRY GROUP CO., LTD., DATED AS OF DECEMBER 19, 2025, APPOINTING CHENGLONG SUN AS ITS AUTHORIZED REPRESENTATIVE IN RESPECT OF THE FILING OF SCHEDULE 13D AMENDMENTS

GRAPHIC