IR Investor Presentation

Polyether polyols process technology development Cost leadership through proprietary IMPACT technology and next generation CO2-based polyols IMPACT catalysts for efficient polyether polyol production Carbon dioxide as raw material for polyols production covestro Start-up in 2003A (Dormagen) Covestro able to run continuous production of polyether polyols through IMPACT technology Highly efficient catalyst -10 tonnes sufficient to produce c. 400kt of polyether polyols -ecological and economic benefits Successfully out-licensed to major polyether polyols producers - New technology to co-polymerize CO2 Overcomes key industry challenges and provides superior technology in core of polyurethanes reduced carbon footprint replaces petrochemicals improves performance of end-products ●Potential to revolutionize industry • New polyurethane foams have been intensively tested, properties are at least as good as those of conventional materials • New 5,000 tpa line at the Dormagen site inaugurated in 2016 • Market launch in 2016E with first end-consumer products: mattresses ● Driver of polyether polyols growth in mid-term 21 21 September 2016 | IR Investor Presentation

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