PITTSBURGH, PA - Railroad tie and treated wood manufacturer Koppers Inc., a unit of Koppers Holdings Inc. (NYSE: KOP), will offer through a private placement $400 in senior notes due 2020. 

Proceeds are intended to be used to repurchase Koppers' outstanding $300 million senior notes due in 2019. Any excess proceeds will be used to repay outstanding debt under Koppers Inc.'s senior secured credit facilities and for general corporate purposes.

Koppers, based in Pittsburgh, produced carbon compounds, chemicals, and treated wood products and services for the aluminum, railroad, specialty chemical, utility, rubber, concrete, steel, residential lumber, and agriculture industries.

Separately, Koppers said it had reorganized its foreign business entities to allow it to repatriate cash at a lower tax rate.