7 Financial result

In CHF million	1.1.–30.6.2019	1.1.–30.6.2018
Interest income on financial assets	6	5
Change in fair value of interest rate swaps	–	9
Foreign exchange gains	1	5
Other financial income	20	11
Total financial income	27	30
Interest expense on financial liabilities	(37)	(63)
Interest expense on lease liabilities	(15)	(12)
Interest expense on defined benefit obligations	(4)	(3)
Change in fair value of interest rate swaps	(23)	–
Other financial expense	(19)	(22)
Total financial expense	(98)	(100)
Financial income and financial expense, net	(71)	(70)

Interest expense on lease liabilities	(15)	(12)
Net interest expense on financial assets and liabilities	(31)	(58)