UPDATE 1-Origin to take A$1.9 bln charge on LNG, exploration assets
February 14, 2017 at 20:35 PM EST
MELBOURNE, Feb 15 (Reuters) - Origin Energy tweaked up its earnings forecast but warned on Wednesday it will book a A$1.89 billion ($1.45 billion) charge in its half-year results, mainly on its stake in the Australia Pacific liquefied natural gas (APLNG) project.