| Schedule of basic loss per share and diluted loss per share calculated in accordance with ASC 260 |
| | | | | | | | | For the six months ended June 30, | | | 2024 | | 2025 | | 2025 | | | VND million | | VND million | | USD | Net loss attributable to controlling interests | | (33,462,508) | | (37,987,877) | | (1,516,361,049) | Net loss attributable to controlling interests adjusted for the effect of dilution | | (33,462,508) | | (37,987,877) | | (1,516,361,049) |
| | | | | | | | | Unit: Shares | | | For the six months ended June 30, | | | 2024 | | 2025 | Weighted average number of ordinary shares for basic earnings per share | | 2,338,072,572 | | 2,338,812,617 | Weighted average number of ordinary shares adjusted for the effect of dilution | | 2,338,072,572 | | 2,338,812,617 |
| | | | | | | | | For the six months ended June 30, | | | 2024 | | 2025 | | 2025 | | | VND | | VND | | USD | Basic loss per share | | (14,312) | | (16,242) | | (0.65) | Diluted loss per share | | (14,312) | | (16,242) | | (0.65) |
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