Andy Myers
Director, Investor Relations
610-240-3221 AEMyers@trinseo.com
Curt Brooks
Manager, Investor Relations
610-240-3211 cbrooks@trinseo.com
Transfer Agent
American Stock transfer & Trust Company, LLC
800-937-5449 718-921-8124 www.amstock.com Address: Operations Center 6201 15th Avenue Brooklyn, NY 11219