 BERWYN, Pa.--BUSINESS WIRE--- TSE Trinseo--Trinseo NYSE: TSE, a global materials solutions provider and manufacturer of plastics, latex binders and synthetic rubber, today announced the pricing of both its offering of 450 million in gross proceeds of senior notes due 2029 the Notes by its subsidiaries Trinseo Materials Operating S.C.A. and Trinseo Materials Finance, Inc. together, the Issuers and of its 750 million of incremental term loan borrowings expected to be available under the Issuers e 