Feb 25 (Reuters) - Yancoal Australia Ltd YAL.AX on Monday reported an over four-fold increase in annual underlying net profit, underpinned by robust prices for its thermal and metallurgical coal.
Net profit before one-off items rose to A$868 million ($621.75 million) for the year ended December, from A$211 million in the previous year, the company said in a statement.
Revenue for the period rose 86 percent to A$4.85 billion.
($1 = 1.3961 Australian dollars)