8.7 Extraordinary expenses

Extraordinary expenses in 2017 mainly comprise the impairment of the investment in Atlantic Zeiser GmbH in the amount of CHF 7,483,000. In addition, in the 2017 financial year as in the prior year, payments of over CHF 151,000 (2016: CHF 148,000) were made to the pension fund of the Orell Füssli Group.