The DJSI follows a best-in-class approach, including companies across all industries that outperform their peers in numerous sustainability metrics.

"Inclusion in the Dow Jones Sustainability Index makes us very proud of the work we have done. It means that we have been able to demonstrate our commitment to our mission: the sustainable use of Earth's natural resources. I am extremely pleased that we also managed to improve our score from last year, showing spirit of continuous improvement", says Minna Aila, SVP, Marketing, Communications and Corporate Responsibility.

As much as 90% of Outotec's order intake in 2014 comprised of environmental goods and services according to the OECD criteria. The company has developed many breakthrough technologies for metals and minerals processing, and is also creating innovative solutions for renewable energy industry and industrial water treatment.

RobecoSAM invited 3,400 the world's largest companies to report on their sustainability practices in their annual Corporate Sustainability Assessment. The selection of the leading sustainability-driven companies was based on financially material environmental, social and governance factors. Dow Jones Sustainability Indices provide investors with reliable and objective benchmarks to manage their sustainability portfolios.

For further information on the Dow Jones Sustainability Index, please visit: www.sustainability-indices.com.