On March 20, 2026, Song Da 505 Joint Stock Company received Document No. 2087/UBCK-PTTT dated March 17, 2026 from the State Securities Commission regarding the notification dossier on the maximum foreign ownership ratio of Song Da 505 Joint Stock Company. Maximum foreign ownership ratio of the Company: 0% Please see the full text here.

1. Invitation letter 2. Documents to be submitted to the General Meeting: 2.1 General meeting program 2.2 Report of the Board of Derectors 2.3. Report of the Board of Supervisory 2.4 Proposal of contents to be approved by the congress 2.5 Draft voting ballot 2.6 Draft resolution of the congress   (Shareholders please download the Power of Attorney here

Report on corporate governance 2025

Dear: Shareholders of Song Da 505 Joint Stock Company. Song Da 505 Joint Stock Company would like to respectfully announce the finalization of the list of shareholders attending the 2026 Annual General Meeting, specifically as follows: – Last registration date to finalize the list of shareholders: February 23th, 2026 – Expected time to hold the 2026 Annual General Meeting of Shareholders:

On October 29, 2025, the Board of Directors of the Company approved the Non-implementation of Resolution No. 43/NQ-S55-HĐQT dated May 8th, 2025 on share swap transaction. Reason: the parties failed to reach an agreement For details of the resolution see here, please.

On October 1, 2025, the Board of Directors met and unanimously approved the contents of the Company's Internal Audit Work: 1. Internal audit regulations 2. Assigning a person in charge of internal audit

Report on Corporate Governace 06 tháng đầu năm 2025

At 3:30 p.m. on July 25, 2025, the Board of Directors of the Company met and approved the following content: Removal of the position of Company Secretary for Ms. Dang Minh Hue Reason for dismissal: According to personal wishes Removal from: July 25, 2025. Details of the decision, Qsee here, please.

On July 24, 2025, the Board of Directors of Song Da 505 Joint Stock Company received a resignation letter from Ms. Dang Minh Hue as Company Secretary for the reason: Due to family matters, she requested to resign from July 25, 2025. For details of the resignation letter, please here.

On June 03th, 2025, the Company's Board of Directors met and approved Resolution No. 57/NQ-S55-HĐQT on Selecting an auditor for the 2025 Financial Statements. On July 01st, 2025, Based on the above resolution, the Company Director negotiated and signed a contract with the selected auditing unit. The signed contract information is as follows: Contract number: 203/HDKT-AAC Signed date: