According to the articles of association, Koskisen must have an auditor, which is an audit firm approved by the Finnish Patent and Registration Office. The auditor’s term of office ends at the end of the annual general meeting following the election.

The board of directors prepares a proposal for the general meeting on the selection of the auditor and the auditor’s fee, and the general meeting selects the company’s auditor and decides on the auditor’s fee. Koskisen statutory auditor is PricewaterhouseCoopers Oy (PwC), Authorised Public Accountants, with Authorized Accountant Markku Launinen as the auditor with principal responsibility. Markku Launis is registered in the register of auditors referred to in Section 9 of Chapter 6 of the Finnish Auditing Act.