TCSC: Disclosure on the Board of Directors' Resolution Acknowledging the Resignation Letters of Members of the Board of Directors

ThanhCong Securities Company (TCSC) hereby discloses Resolution No. 15/2026/NQ-HDQT dated June 18, 2026 of the BOD regarding the acknowledgment of the resignation letters from Mr. Nguyen Khanh Linh – Chairman of the BOD, Mr. Nguyen Quoc Viet – Vice Chairman of the BOD, and Mr. Nguyen Dong Hai – Vice Chairman of the BOD from their positions as members of the BOD