Scorpio Tankers plans to offer senior unsecured notes due 2019 in an underwritten public offering. The proceeds will be used to buy back 7.5% senior unsecured notes due in October 2017.

The Emanuele Lauro-led company reported $51.7m in senior unsecured notes due this year, with estimated interest payments of some $7.5m.

Scorpio said any remaining net proceeds are expected to be used for general corporate purposes and working capital.