13 Financial assets of the Airport Zurich Noise Fund

The financial assets of the Airport Zurich Noise Fund consisted mainly of CHF-denominated bonds as at the reporting date. The mixed investment fund contained therein in the previous year was liquidated in the reporting period. The investment horizon is based on the expected obligation to make payments from the Airport Zurich Noise Fund and averages around four years. The coupons on the bonds ranged from 0.00% to 2.25% as at the reporting date (previous year: from 0.00% to 2.125%). The funds are invested by professional financial institutions (see note 6, Finance result, and note 24.1 a), Financial risk management, i), Credit risk).