No Summary audit report to be published in Make report publicly available, in offices and/or on company website No Summary audit report to be published in 2021 2020 RESPONSIBLE PRODUCTION AND SUPPLY 5 The OECD Due Diligence Guidance for Responsible Supply Chains of Minerals from Conflict-Affected and High-Risk Areas and the OECD 5-Step Framework are the basis for the Cobalt Refiner Due Diligence Standard, which is the recognized cobalt industry standard.