Dow MDI Increase Announced

October 22, 2018

MDI PRICE INCREASE

Effective November 15, 2018, or as contracts allow, The Dow Chemical Company,
on behalf of itself and its applicable consolidated subsidiaries (“Dow”), will increase
off-list prices by the amounts listed below on all grades and package types of the
following MDI products in North America:

ISONATE US $0.07 / lb.
ISOBIND US $0.07 / lb.

PAPI US $0.07 / lb.

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