We source responsibly Enhancing sustainability along the supply chain  Joint initiative “Together for Sustainability” of leading chemical companies since 2011  Standardized and shared supplier evaluations and audits  Implementation of follow-up processes, development of action plans  Sustainability assessments for 513 suppliers received from an external service provider in 2017  120 raw material supplier sites audited on EHS in 2017  2020 goal: evaluation of 70% of the relevant suppliers with regard to their sustainability performance (status 2017: 56%) 6