Exhibit 99.1 VinFast Reports Unaudited Fourth Quarter and Fiscal Year 2023 Financial Results Quarterly Revenues reached VND10,417,758 million (US$436.5 million) Quarterly EV Deliveries were 13,513 units Full year Revenues reached VND28,596,221 million (US$1,198.2 million) Full year Vehicle Deliveries were 34,855 units Singapore, February 22, 2024 (PRNewswire) - VinFast Auto Ltd. ("VinFast" or the "Company") (Nasdaq: VFS), a subsidiary of Vingroup JSC, and Vietnam's leading electric automotive manufacturer, ...

Exhibit 99.1 VinFast Reports Unaudited Second Quarter 2023 Financial Results 09/21/2023 Quarterly Revenues reached VND7,952,531 million (US$334.1 million) Quarterly Vehicle Deliveries were 9,535 units Singapore, September 21, 2023 (PRNewswire) - VinFast Auto Ltd. ("VinFast" or the "Company") (Nasdaq: VFS), a subsidiary of Vingroup JSC, and Vietnam's leading electric automotive manufacturer, today announced its unaudited financial results for the quarter ended June 30, 2023. Operating Highlights for the Seco ...