Announcement on the Completion of Share Reduction Plan by Director and General Manager

Securities Code: 300900 Securities Abbreviation: Guanglian Aviation Announcement No.: 2026-071 Guanglian Aviation Industrial Co., Ltd. Announcement on the Completion of Share Reduction Plan by Director and General Manager The company's Director and General Manager, Yang Huaizhong, guarantees that the information provided to this company is true, accurate, and complete, and that there are no false records, misleading statements, or significant omissions. The company and the board of directors guarantee that the announcement content is consistent with the information provided by the information disclosure obligor. Guanglian Aviation Industrial Co., Ltd. disclosed the "Announcement on Pre-disclosure of Share Reduction Plan by Directors, Senior Management, and Specific Shareholders" (Announcement No.: 2026-051) on the CNINFO website (http://www.cninfo.com.cn) on March 24, 2026. Director and General Manager Yang Huaizhong planned to reduce his holdings of the company's shares by no more than 176,750 shares (approximately 0.05% of the company's total share capital at that time) through centralized bidding within three months from 15 trading days after the disclosure of the above announcement. The company recently received the "Letter of Notification on the Completion of Share Reduction Plan" issued