4.5 Personnel expenditure
|in CHF thousand||Notes||2018||2017|
|Wages and salaries||66,514||69,752|
|Social security costs||5,393||5,935|
|Other personnel expenditure||5,225||2,413|
|Total personnel expenditure||82,198||83,189|
’Personnel expenditure’ includes no charges (2017: CHF 33,000) relating to the employee equity incentive plans. Other personnel expenditure include CHF 3,487,000 (provisions CHF 3,117,000) relating to the restructuring of the Industrial Systems segment.