Company: CNCKW
Filing Date: 2025-09-10
Form Type: 424B3
Source: 0001213900-25-086398
Chunk: 113

Company: Coincheck Group N.V.
Filing Date: 2025-09-10
Form: 424B3
Chunk 113
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 for our financial information presented in accordance with IFRS Accounting Standards.

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A reconciliation is provided below for each non -IFRSfinancial measure to the most directly comparable financial measure stated in accordance with IFRS Accounting Standards. Investors are encouraged to review the related IFRS financial measures and the reconciliation of these non -IFRSfinancial measures to their most directly comparable IFRS financial measures, and not to rely on any single financial measure to evaluate our business. The following tables present reconciliations of our non -IFRSfinancial measures: Reconciliation of EBITDA to Net Profit

|                                              |     | For the fiscal year ended March 31, 
 2023                                |      |   |     | 2024 |       |     | 2025 |         |   |
|:---------------------------------------------|:----|:------------------------------------|-----:|:--|:----|:-----|------:|:----|:-----|--------:|:--|
| Reconciliation of EBITDA:                    |     |                                     |      |   |     |      |       |     |      |         |   |
| Net profit (loss) for the year or the period |     | ¥                                   | (559 | ) |     | ¥    | 1,967 |     | ¥    | (14,350 | ) |
| Add: Income tax expenses (benefits)          |     |                                     | (287 | ) |     |      |   873 |     |      |     991 |   |
| Profit (loss) before income taxes            |     |                                     | (846 | ) |     |      | 2,840 |     |      | (13,359 | ) |
| Add: Interest expense                        |     |                                     |    3 |   |     |      |     6 |     |      |      29 |   |
| Add: Depreciation and amortization           |     |                                     |  483 |   |     |      |   679 |     |      |     727 |   |
| EBITDA                                       |     | ¥                                   | (360 | ) |     | ¥    | 3,525 |     | ¥    | (12,603 | ) |

Reconciliation of Adjusted EBITDA to Net Profit

|                                                     |     | For the fiscal year ended March 31, 
 2023                                |      |   |     | 2024 |       |