3 Financial income and financial expense

In CHF million	1st half-year 2017	1st half-year 2016
Interest income	6	8
Interest expense	(79)	(89)
Net interest expense on financial assets and financial liabilities	(73)	(81)
Foreign exchange gains (foreign exchange losses)	(10)	1
Change in fair value of interest rate swaps	2	(42)
Other financial income and expense, net	(17)	(23)
Financial income and financial expense, net	(98)	(145)