VinFast Delivered 10,922 Electric Vehicles in Vietnam in August 2025

VINFAST DELIVERED 10,922 ELECTRIC VEHICLES IN VIETNAM IN AUGUST 2025

Hanoi, September 12, 2025 – VinFast Auto Ltd. (the “Company” or “VinFast”) announced its preliminary domestic Vietnam deliveries of 10,922 electric vehicles (“EVs”)¹ in August 2025. In total, the Company has delivered 89,970¹ EVs to customers in Vietnam during the first eight months of 2025.

With this result, VinFast’s monthly deliveries in Vietnam have remained relatively steady at approximately 11,000 EVs for several consecutive months, enabling the Company to maintain its position as the leading car manufacturer in terms of vehicle deliveries in Vietnam_². Notably, 2,745 VF 5 vehicles_¹ were delivered in August 2025, making it VinFast’s best-selling model for the month. The VF 3 followed closely with 2,481 vehicles_¹ delivered. The Herio Green ranked third with 2,395 vehicles_¹ delivered, followed by the VF 6 with 2,038 vehicles_¹ and the VF 7 with 718 vehicles_¹.

From the beginning of the year through August 2025, the VF 3 and VF 5 were the two best-selling models in Vietnam with cumulative deliveries of 28,704 and 27,109 vehicles_¹, respectively. The Company also delivered 12,492 VF 6 vehicles¹ and 5,099 VF 7 vehicles¹ during the period.

This Form 6-K shall be deemed to be incorporated by reference into the Company’s registration statement on Form S-8 (File No. 333-278251) and registration statement on Form F-3 (File No. 333-275133) (including any prospectuses forming a part of such registration statements) and to be a part thereof from the date on which this report is furnished, to the extent not superseded by documents or reports subsequently filed or furnished.

Note 1: Preliminary delivery results are subject to change and may differ from the final number of deliveries that will be recognized as vehicle sales revenue for the period as a result of the year end audit.

Note 2: Market and industry statements in this document are based on data from the Vietnam Automobile Manufacturers' Association and Company internal data (for VinFast only).

About VinFast

VinFast (NASDAQ: VFS) – a subsidiary of Vingroup JSC – is Vietnam’s leading automotive manufacturer, committed to its mission of creating a green future for everyone. VinFast produces a range of electric SUVs, e-scooters, e-bikes, and e-buses in Vietnam and exports to key markets across Asia, North America, and Europe. Learn more at www.vinfastauto.us.

VinFast deliveries represent only one measure of the Company’s financial performance and should not be relied on as an indicator of quarterly financial results, which depend on a variety of factors, including the average selling price and various cost components.