Announcement on Providing Guarantee for Subsidiary

Earlier from Guizhou Aviation Technical Development

• Voluntary Disclosure Announcement on the Execution of a Long-term Supply Agreement for Aero-engine Rotating ComponentsJul 10
• Announcement on Shareholding Reduction Plan of ShareholderJul 8
• Announcement on Progress in Reduction of Repurchased Shares through Call AuctionJul 2
• Announcement on Reply to Letter of Supervision and Inquiry on Information Disclosure of 2025 Annual ReportJun 23
• Announcement on Not Redeeming ""Aviation Convertible Bonds"" in AdvanceJun 18

Later from Guizhou Aviation Technical Development

• Announcement on Progress and Results of Reduction of Repurchased Shares through Call AuctionAug 4
• Announcement on Election of New Board of DirectorsAug 8
• Announcement on Interest Payment of "Guizhou Aviation Convertible Bonds" for 2026Aug 14
• Announcement on Resolutions of the 1st Extraordinary General Meeting in 2026Aug 25
• Announcement on Convening the 2026 Semi-annual Performance BriefingAug 28