Tosoh Announces MDI Increase

February 13, 2017

Tosoh to Raise Prices for Millionate MDI Grades

Tosoh Specialty Chemicals USA, Inc. is increasing its prices for Millionate MDI Grades in North
America. Effective March 15, 2017, or as contract terms allow, TSCU will raise the prices of MDI
grades by $0.15/kg.

Millionate MDI is widely used for the production of rigid, semi-rigid, and integral skin foams, as well as
coatings, adhesives and elastomers.

TOSOH CORPORATION

Tosoh Corporation is the parent company of a Japanese chemical and specialty products and materials
group that comprises over 100 companies worldwide and a multiethnic workforce of more than 12,000
people.

The parent company was established in 1935 and is listed on the First Section of the Tokyo Stock
Exchange. In the 80 years that we have been in business, we have built balanced product lines of
commodity chemicals for industry and of specialty products and materials for high technology and niche
markets.

Tosoh’s principal markets include the chemical and petrochemical, construction, automotive, consumer
electronics, information technology, bioscience, and environmental markets.