| Schedule of reconciliation of intangible assets |
| | | | | | | | | | | | | | | | | | | in € thousand | Software | Acquired R&D technology and projects | Development costs | Intangible assets in the course of construction | Total | | | | | | | YEAR ENDED DECEMBER 31, 2025 | | | | | | | Opening net book value | 205 | | 23,948 | | 1,104 | | — | | 25,258 | | | Additions | 61 | | — | | — | | — | | 61 | | | Amortization charge | (82) | | (2,685) | | (137) | | — | | (2,904) | | | Impairment charge | (3) | | — | | — | | — | | (3) | | | Exchange rate differences | 4 | | (58) | | (10) | | — | | (64) | | | CLOSING NET BOOK VALUE | 186 | | 21,206 | | 957 | | — | | 22,349 | | | | | | | | AS AT DECEMBER 31, 2025 | | | | | | | Cost | 5,861 | | 83,012 | | 7,313 | | — | | 96,187 | | | Accumulated amortization and impairment | (5,676) | | (61,806) | | (6,356) | | — | | (73,838) | | | CLOSING NET BOOK VALUE | 186 | | 21,206 | | 957 | | — | | 22,349 | |
| | | | | | | | | | | | | | | | | | | in € thousand | Software | Acquired R&D technology and projects | Development costs | Intangible assets in the course of construction | Total | | | | | | | YEAR ENDED DECEMBER 31, 2024 | | | | | | | Opening net book value | 255 | | 24,073 | | 1,239 | | — | | 25,567 | | | Additions | 79 | | 2,500 | | — | | — | | 2,579 | | | Amortization charge | (126) | | (2,687) | | (145) | | — | | (2,958) | | | Impairment charge | — | | — | | — | | — | | — | | | Exchange rate differences | (2) | | 62 | | 11 | | — | | 71 | | | CLOSING NET BOOK VALUE | 205 | | 23,948 | | 1,104 | | — | | 25,258 | | | | | | | | AS AT DECEMBER 31, 2024 | | | | | | | Cost | 5,823 | | 83,349 | | 7,345 | | — | | 96,516 | | | Accumulated amortization and impairment | (5,618) | | (59,400) | | (6,240) | | — | | (71,258) | | | CLOSING NET BOOK VALUE | 205 | | 23,948 | | 1,104 | | — | | 25,258 | |
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