13Provision for formal expropriations plus sound insulation and resident protection

(CHF million)

2026

2025

Provision for formal expropriations as at 1 January

223.5

216.0

Payments for formal expropriations 1

–0.3

–0.5

Increase/release of provision

1.3

4.6

Present value adjustment

1.1

1.7

Provision for formal expropriations as at 30 June

225.6

221.8

Provision for sound insulation and resident protection as at 1 January

56.3

68.3

Payments for sound insulation and resident protection measures

–3.7

–4.0

Increase/release of provision

0.1

0.8

Present value adjustment

0.1

0.4

Provision for sound insulation and resident protection as at 30 June

52.8

65.5

Total provision for formal expropriations plus sound insulation and resident protection as at 30 June

278.4

287.3

of which current

36.3

28.8

of which non-current

242.1

258.5

1The amount paid for formal expropriations takes into account only the actual payments for compensation, but not the additional associated external costs in accordance with the regulations of the Airport Zurich Noise Fund.

Provision for formal expropriations

As at 30 June 2026, the estimated costs for formal expropriations remained unchanged at CHF 330.0 million, of which CHF 91.0 million had already been paid out at that date. A provision has been recognised for the outstanding costs at their present value (CHF 225.6 million) as at the reporting date. The discount rate used to calculate the present value of the nominal payment flows was 0.9% (31 December 2025: 1.0%). In view of the still pending court proceedings, it is assumed that payments can be completed by the end of 2040.

Provision for sound insulation and resident protection

As at 30 June 2026, the estimated costs for sound insulation and resident protection measures remained unchanged at CHF 400.0 million, of which CHF 346.5 million had already been paid out at that date. A provision has been recognised for the outstanding costs at their present value (CHF 52.8 million) as at the reporting date. The discount rate used to calculate the present value of the nominal payment flows was 0.5% (31 December 2025: 0.6%). It is expected that the payments can be completed by the end of 2030.