YBM: Reminder of information disclosure

Reminder of information disclosure of Yen Bai Industry Mineral Joint Stock Company as follows:

HOSE

>   VPB: BOD resolution dated June 26, 2025 (27/06/2025)

>   KHP: Receiving the 1st Registration Certificate of 8 Business Locations (27/06/2025)

>   HUB: Transferring shares of HUWOCO (27/06/2025)

>   HUB: Transferring shares of HUWOCO (27/06/2025)

>   VRE: Link to documents for solicitation of Shareholders’ written opinion in 2025 (27/06/2025)

>   VPB: Approval on transacion with VPB SMBC FC (27/06/2025)

>   SBT: Nuoc Trong Rubber JSC is no longer subsidiary of SBT (27/06/2025)

>   HAH: BOD resolution dated June 16, 2025 (27/06/2025)

>   TPB: Renewal of credit facilities for related party (27/06/2025)

>   TLH: Change in the 16th Certificate of Business Registration of subsidiary (27/06/2025)