6 Operating expenses by nature

	2018	2019
January to June, CHF 1,000
Material costs	95,621	100,398
Personnel costs	97,004	112,873
Depreciation of property, plant and equipment	3,570	4,072
Depreciation of right-of-use assets	–	5,148
Amortization of intangible assets	6,731	7,094
Other operating costs	41,606	41,177

Total operating costs incurred (gross)	244,532	270,762

Capitalization of development costs in position inventories	(2,078)	(2,179)
Capitalization of development costs in position intangible assets	(6,736)	(5,178)
Other operating income	(42)	(270)

Total operating expenses, according to statement of profit or loss	235,676	263,135