Pricing and Markets

June 4, 2018

Lyondell Announces BDO & Derivatives Hikes

June 1, 2018

Subject: Lyondell Chemical Company; 1, 4 Butanediol and Derivatives Price Increase

Dear Valued Customer,

Effective July 1, 2018 or as contracts allow, Lyondell Chemical Company will increase its prices
for 1,4 Butanediol and Derivatives Products as shown below.

Chemical Name Price Increase
1,4 Butanediol (BDO) $0.07/LB
2-Methyl- 1,3-Propanediol (MP Diol) $0.07/LB
N-Methyl-2-Pyrrolidone (NMP)-Industrial Grade $0.10/LB
N-Methyl-2-Pyrrolidone (NMP)-Electronic Grade $0.10/LB
Tetrahydrofuran (THF) $0.08/LB
Polytetramethylene Glycol, PolyMEG® P1000 $0.10/LB
Polytetramethylene Glycol, PolyMEG® P2000 $0.10/LB
Polytetramethylene Glycol, PolyMEG® 650 $0.13/LB
Styrene Allyl Alcohol (SAA Co-Polymers) $0.05/LB

Our acceptance of orders submitted prior to the increase date will be subject to our ability to
supply. We appreciate the confidence you have placed in us as a supplier, and we look forward
to our continuing business relationship. As always, your account manager is available to work
with you or answer any questions you may have.

May 31, 2018

Huntsman Announces MDI and Systems Hike

May 31, 2018

Huntsman Announces MDI and Systems Hike

May 25, 2018

COIM Hikes Polyols for Rigid Boardstock and Spray Foam

May 24, 2018

Dear Valued Customer,

COIM USA is announcing a price increase of $0.10/lb. for its line of
Isoexter polyester polyols for the Rigid Boardstock and Spray Foam
markets. This increase will take effect July 1, 2018 or as contracts allow
and is needed to offset increased chemical feedstock and transportation
costs. Your account manager will contact you to discuss specifics.

We greatly appreciate the trust you have placed in us as a supplier and we
look forward to continuing our work together.

May 25, 2018

COIM Hikes Polyols for Rigid Boardstock and Spray Foam

May 24, 2018

Dear Valued Customer,

COIM USA is announcing a price increase of $0.10/lb. for its line of
Isoexter polyester polyols for the Rigid Boardstock and Spray Foam
markets. This increase will take effect July 1, 2018 or as contracts allow
and is needed to offset increased chemical feedstock and transportation
costs. Your account manager will contact you to discuss specifics.

We greatly appreciate the trust you have placed in us as a supplier and we
look forward to continuing our work together.