The Korean oil refiner, started roadshows on Oct 13, shopping the Reg-S 144A deal to investors at roadshows in London, New York, Singapore and Boston. Although initially launched at a size of $300 million, the book is said to have already topped that mark and observers speculate that the deal could be upsized. The borrower is looking to raise $500 million in the debt markets in order to pay down debts.