Lyondell Increases BDO & Derivatives Prices

March 4, 2020
Subject: Lyondell Chemical Company; 1, 4 Butanediol and Derivatives Price Increase

Dear Valued Customer,

Effective April 1, 2020 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

Allyl Alcohol (AA) No Increase
1,4 Butanediol (BDO) $0.04/LB
2-Methyl- 1,3-Propanediol (MP Diol) No Increase
N-Methyl-2-Pyrrolidone (NMP)-Industrial Grade $0.04/LB
N-Methyl-2-Pyrrolidone (NMP)-Electronic Grade $0.04/LB
Tetrahydrofuran (THF) $0.06/LB
Polytetramethylene Glycol, PolyMEG® P1000 $0.06/LB
Polytetramethylene Glycol, PolyMEG® P2000 $0.06/LB
Polytetramethylene Glycol, PolyMEG® 650 $0.06/LB
Styrene Allyl Alcohol (SAA Co-Polymers) No Increase

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.