(Unaudited)
| 
       Assets, kEUR  | 
    
       As at 30 June 2024  | 
    
       As at 31 December 2023  | 
  |
| 
       
  | 
    
       
  | 
    
       
  | 
    
       
  | 
  
| 
       Non-current assets  | 
    
       
  | 
    
       
  | 
    
       
  | 
  
| 
       Intangible assets  | 
    
       
  | 
    
       16,469  | 
    
       16,454  | 
  
| 
       Property, plant and equipment  | 
    
       
  | 
    
       309,692  | 
    
       300,582  | 
  
| 
       Right-of-use assets  | 
    
       
  | 
    
       24,293  | 
    
       23,523  | 
  
| 
       Deferred income tax assets  | 
    
       
  | 
    
       15,632  | 
    
       16,690  | 
  
| 
       Other financial assets  | 
    
       
  | 
    
       6,242  | 
    
       5,237  | 
  
| 
       Total non-current assets  | 
    
       
  | 
    
       372,328  | 
    
       362,486  | 
  
| 
       
  | 
    
       
  | 
    
       
  | 
    
       
  | 
  
| 
       Current assets  | 
    
       
  | 
    
       
  | 
    
       
  | 
  
| 
       Inventories  | 
    
       
  | 
    
       160,008  | 
    
       128,507  | 
  
| 
       Trade receivables  | 
    
       
  | 
    
       47,701  | 
    
       76,674  | 
  
| 
       Contract assets  | 
    
       
  | 
    
       11,438  | 
    
       2,103  | 
  
| 
       Corporate income tax receivables  | 
    
       
  | 
    
       9,794  | 
    
       7,424  | 
  
| 
       Other current assets  | 
    
       
  | 
    
       15,227  | 
    
       16,188  | 
  
| 
       Cash and cash equivalents  | 
    
       
  | 
    
       48,475  | 
    
       95,706  | 
  
| 
       Total current assets  | 
    
       
  | 
    
       292,643  | 
    
       326,602  | 
  
| 
       
  | 
    
       
  | 
    
       
  | 
    
       
  | 
  
| 
       Total assets  | 
    
       
  | 
    
       664,971  | 
    
       689,088  | 
  
(Unaudited)
| 
       Equity and liabilities, kEUR  | 
    
       As at 30 June 2024  | 
    
       As at 31 December 2023  | 
  |
| 
       
  | 
    
       
  | 
    
       
  | 
    
       
  | 
  
| 
       Equity attributable to equity holders of the parent company  | 
    
       
  | 
    
       
  | 
    
       
  | 
  
| 
       Share capital  | 
    
       302  | 
    
       302  | 
  |
| 
       Share premium  | 
    
       
  | 
    
       203,129  | 
    
       203,129  | 
  
| 
       Translation reserve  | 
    
       
  | 
    
       13,123  | 
    
       21,832  | 
  
| 
       Treasury shares  | 
    
       -9,365  | 
    
       -10,394  | 
  |
| 
       Other capital reserves  | 
    
       
  | 
    
       939  | 
    
       1,217  | 
  
| 
       Retained earnings  | 
    
       
  | 
    
       151,789  | 
    
       165,139  | 
  
| 
       Total equity  | 
    
       
  | 
    
       359,917  | 
    
       381,225  | 
  
| 
       
  | 
    
       
  | 
    
       
  | 
    
       
  | 
  
| 
       Non-current liabilities  | 
    
       
  | 
    
       
  | 
    
       
  | 
  
| 
       Deferred income tax liabilities  | 
    
       
  | 
    
       2,959  | 
    
       3,644  | 
  
| 
       Pensions  | 
    
       
  | 
    
       28,021  | 
    
       25,111  | 
  
| 
       Provisions  | 
    
       
  | 
    
       1,693  | 
    
       1,649  | 
  
| 
       Interest-bearing loans and borrowings  | 
    
       39,274  | 
    
       49,087  | 
  |
| 
       Lease liabilities  | 
    
       
  | 
    
       19,303  | 
    
       18,869  | 
  
| 
       Other financial liabilities  | 
    
       
  | 
    
       9,946  | 
    
       9,893  | 
  
| 
       Contract liabilities  | 
    
       
  | 
    
       20,249  | 
    
       23,160  | 
  
| 
       Total non-current liabilities  | 
    
       
  | 
    
       121,445  | 
    
       131,413  | 
  
| 
       
  | 
    
       
  | 
    
       
  | 
    
       
  | 
  
| 
       Current liabilities  | 
    
       
  | 
    
       
  | 
    
       
  | 
  
| 
       Interest-bearing loans and borrowings  | 
    
       41,218  | 
    
       41,253  | 
  |
| 
       Lease liabilities  | 
    
       
  | 
    
       4,794  | 
    
       4,453  | 
  
| 
       Other financial liabilities  | 
    
       
  | 
    
       1,277  | 
    
       1,227  | 
  
| 
       Corporate income tax payable  | 
    
       
  | 
    
       204  | 
    
       227  | 
  
| 
       Trade payables  | 
    
       
  | 
    
       41,584  | 
    
       60,906  | 
  
| 
       Contract liabilities  | 
    
       
  | 
    
       67,781  | 
    
       42,969  | 
  
| 
       Other current liabilities  | 
    
       
  | 
    
       26,751  | 
    
       25,415  | 
  
| 
       Total current liabilities  | 
    
       
  | 
    
       183,609  | 
    
       176,450  | 
  
| 
       
  | 
    
       
  | 
    
       
  | 
    
       
  | 
  
| 
       Total liabilities  | 
    
       
  | 
    
       305,054  | 
    
       307,863  | 
  
| 
       
  | 
    
       
  | 
    
       
  | 
    
       
  | 
  
| 
       Total equity and liabilities  | 
    
       
  | 
    
       664,971  | 
    
       689,088  |