The Sustainability report is conducted in accordance with GRI standards and the sustainability information has been assured by an independent third party.

Together with the Annual Report, Suominen publishes the Report by the Board of Directors and the Financial Statements as an xHTML file in accordance with European Single Electronic Format (ESEF) reporting requirements. In line with the ESEF requirements, the primary statements have been labeled with iXBRL tags and notes have been labeled with iXBRL block tags. The audit firm Ernst & Young Oy has provided an independent auditor's reasonable assurance report on Suominen’s ESEF Financial Statements. The assurance has been conducted in accordance with International Standard on Assurance Engagements ISAE 3000.