SEOUL, March 23 (Reuters) - Korea Gas Corp 036460.KS said on Wednesday it would invest an additional 470.8 billion won ($406 million) in Australia's Prelude floating liquefied natural gas (FLNG) project.
In 2012, it invested $1.5 billion in the project, the state-run utility said in a regulatory filing.
($1 = 1,160.0000 won)