despite reports that the UK government had lobbied it to choose London.
As well as soda ash, Mr Warren said the company was also a chemicals producer, "with lots of characteristics which are similar to a lot of the speciality chemicals companies that are listed in London".Pension funds, or individual investors, can buy shares whether they are listed in the UK, US or one of the European exchanges.
"So I think that that's an endorsement of the fact that London still works and we're very confident we'll get a good deal done," he said,