Three cargoes of 10 ppm sulphur gasoil, one cargo of 50 ppm sulphur gasoil and two cargoes of 500 sulphur gasoil were available via the tender which closes on April 14 with same-day validity, they added.
These spot lots are all for loading between May 22 and May 30.
GS Caltex also offered at least three cargoes of jet fuel in a tender which closed on April 12, after selling at least two 500 ppm sulphur gasoil cargoes on April 6, signalling that scheduled maintenance work at its Yeosu refinery could be ending soon.
One of the four sources added that the current gasoil market price structure could also be forcing refiners to clear out their May inventories given the better netbacks, with June swap prices lower than May.
GS Caltex typically does not comment on the details of its
sales tenders.
(Reporting by Trixie Yap; editing by Jason Neely)
