Additional Dow MDI Increases

June 26, 2018

Dear Dow Customer:

Effective August 1, 2018, or as contracts allow, The Dow Chemical Company
(”Dow”) will increase off-list prices by the amounts listed below on all grades and
package types of the following MDI products by US$0.10/lb in North America:

• ISONATE
• PAPI 23 High Air Flow

Thank you for your continued business with Dow. Please contact your Account
Manager if you have any questions related to this communication.