8. Personnel costs
Personnel costs
| 
       in thousand CHF  | 
    
       2023  | 
    
       2022 (Restated) 1)  | 
  
| 
       Salaries and wages  | 
    
       449,756  | 
    
       425,305  | 
  
| 
       Social security costs and pension expenses  | 
    
       60,040  | 
    
       61,495  | 
  
| 
       Other personnel costs  | 
    
       41,188  | 
    
       38,882  | 
  
| 
       Personnel costs  | 
    
       550,984  | 
    
       525,682  | 
  
| 
       
  | 
    
       
  | 
    
       
  | 
  
| 
       Average number of employees (FTE)  | 
    
       5,770  | 
    
       5,485  | 
  
1) Figures restated (refer to note 4, Discontinued operations)
Social security costs and pension expenses contain expenses for defined benefit plans of CHF 26.6 million (previous year: expenses of CHF 32.0 million) (refer to note 24). Salaries and wages includes expenses for share-based payments of CHF 4.3 million (previous year: CHF 7.1 million) (refer to note 29).