Sept 5 (Reuters) - Trinseo SA (TSE.N)

* Trinseo - on August 29, 2017, Trinseo Materials Operating S.C.A, Trinseo Materials Finance Inc, executed indenture with Bank of New York Mellon - SEC filing

* Trinseo SA-interest on notes is payable semi-annually on may 3, November 3 of each year, commencing on May 3, 2018, notes mature on September 1, 2025

* Trinseo SA says Trinseo Materials Operating S.C.A. and Trinseo Materials Finance Inc issued $500 million principal amount of 5.375% senior notes due 2025

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