Company: CNCKW
Filing Date: 2025-11-18
Form Type: 424B3
Source: 0001913847-25-000033
Chunk: 5

Company: Coincheck Group N.V.
Filing Date: 2025-11-18
Form: 424B3
Chunk 5
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     |              |      — |
| Foreign currency translation adjustment in foreign operations |     |       |     |                 |   — |     |              |    — |     |                 |      — |     |                             |   — |     |                 |  — |     |                   |      — |     |                                         | 50 |     |              |     50 |
| Net loss for the period                                       |     |       |     |                 |   — |     |              |    — |     |                 |      — |     |                             |   — |     |                 |  — |     |                   | -1,022 |     |                                         |  — |     |              | -1,022 |
| Balance as of September 30, 2025                              |     |       |     | ¥               | 213 |     | ¥            |    — |     | ¥               | 13,401 |     | ¥                           | 535 |     | ¥               | -4 |     | ¥                 | -3,792 |     |                                         | 63 |     | ¥            | 10,416 |

<div align='center'>The accompanying notes are an integral part of these condensed consolidated interim financial statements (unaudited).</div>

6

#### COINCHECK GROUP N.V. and its subsidiaries.
<div align='center'>CONDENSED CONSOLIDATED INTERIM STATEMENTS OF CASH FLOWS (UNAUDITED)</div>

|                                                                     |     |       |     |   | For the six months ended September 30, |         |     |      |         |
| (In millions)                                                       |     | Notes |     |   |                                   2024 |         |     | 2025 |         |
| Cash flows from operating activities:                               |     |       |     |   |                                        |         |     |      |         |
| Profit (loss) before income taxes                                   |     |       |     |   |                                      ¥ |     666 |     |    ¥ |    -348 |
| Depreciation and amortization                                       |     |       |     |   |                                        |     325 |     |      |     349 |
| Interest expense                                                    |     |       |     |   |                                        |       — |     |      |      63 |
| Share-based payments                                                |     |       |     | 8 |                                        |       — |     |      |     619 |
| Foreign exchange loss