Sidenor 2021 Sustainability Report. Non-financial information statement

100 Sustainability Report 2021 | Commitment to society Sidenor’s purchasing process Definition of the technical specification Selection and definition of suppliers Supplier development and monitoring RFQ launch Order processing Evaluation of deliveries/ quality/service Supplier qualification Corrective actions and follow-up MATERIALS WITHIN THE QUALITY SYSTEM? APPROVED MATERIAL? COMPLIANCE OF THE SUPPLIER? Trial batches Follow-up Negotiation (Production and non-production Material, Services, Logistics, Investments and Metals) Yes Yes Yes No No Reception of materials and services