| Summary of key financial metrics by segment and reconciliation from total segment adjusted EBITDA to loss before income tax |
| | | | | | | | | | | | | | | | | | | | Technical Equip. | | Spare Parts & | | | | | | | & Processes | | Services | | Other | | Total | Revenue | | 40,556 | | 5,215 | | 228 | | 45,999 | Segment adjusted EBITDA | | 2,142 | | 2,123 | | (9,792) | | (5,527) |
| | | | | | | | | | | | | | | | | | | | Technical Equip. | | Spare Parts & | | | | | | | & Processes | | Services | | Other | | Total | Revenue | | 10,742 | | 5,903 | | 247 | | 16,892 | Segment adjusted EBITDA | | (7,374) | | 836 | | 1,280 | | (5,258) |
| | | | | | | | | | in € thousand | | Jan 1 – Jun 30, 2026 | | Jan 1 – Jun 30, 2025 | Total segment adjusted EBITDA | | (5,527) | | (5,258) | Financial result | | (38,726) | | (1,978) | Depreciation and amortization | | (2,433) | | (2,547) | Share of loss from equity method investees | | (108) | | (307) | Income tax benefit (expense) | | (1,015) | | (76) | Net income (loss) for the period | | (47,809) | | (10,165) |
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| | | | | | | | | | | | | | | | | | | | 2025 | | | Technical | | | | | | Total | | | equipment | | Spare parts | | | | management | | | and processes | | and services | | Other | | reporting | Revenues | | 54,446 | | 11,885 | | 615 | | 66,945 | Segment adjusted EBITDA | | 3,415 | | 2,261 | | 591 | | 6,267 |
| | | | | | | | | | | | | | | | | | | | 2024 | | | Technical | | | | | | Total | | | equipment | | Spare parts | | | | management | | | and processes | | and services | | Other | | reporting | Revenues | | 49,593 | | 11,192 | | 51 | | 60,836 | Segment adjusted EBITDA | | 611 | | 2,459 | | (77,527) | | (74,457) |
| | | | | | | | | | | | | | | | | | | | 2023 | | | Technical | | | | | | Total | | | equipment | | Spare parts | | | | management | in € thousand | | and processes | | and services | | Other | | reporting | Revenues | | 78,743 | | 11,503 | | — | | 90,246 | Segment adjusted EBITDA | | 12,872 | | 3,787 | | 22,440 | | 39,099 |
| | | | | | | | | | | | | | in € thousand | | 2025 | | 2024 | | 2023 | Total segment adjusted EBITDA | | 6,267 | | (74,457) | | 39,099 | Financial result | | (72,178) | | (3,824) | | 9,594 | Amortization and depreciation | | (4,824) | | (7,315) | | (6,904) | Share of loss from equity method investees | | (406) | | — | | (1,057) | Income tax benefit (expense) | | 41 | | 1,492 | | (2,778) | Net income (loss) for the period | | (71,100) | | (84,104) | | 37,953 |
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| Summary of revenue and non-current assets that can be split into geographical areas |
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| | | | | | | | | | | | | | in € thousand | | 2025 | | 2024 | | 2023 | Greater China | | 25,702 | | 16,480 | | 16,942 | USA | | 19,770 | | 22,207 | | 17,522 | Germany | | 4,154 | | 3,819 | | 9,577 | EMEA w/o Germany | | 9,841 | | 12,728 | | 24,791 | Rest of Asia w/o China | | 7,477 | | 5,551 | | 21,370 | Rest of the World | | 2 | | 49 | | 44 | Total | | 66,945 | | 60,836 | | 90,246 |
| | | | | | | | | | in € thousand | | 12/31/2025 | | 12/31/2024 | Germany | | 28,058 | | 25,833 | China | | 966 | | 1,741 | Other | | 471 | | 460 | Total | | 29,495 | | 28,034 |
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