- Polymetal International booked a flat annual profit, as rising revenue was offset by higher one-off expenses.

Net income for the year through December was broadly unchanged at $354m, the company said.

Revenue rose 4% to $1.88bn, boosted by higher gold and silver output.

One-costs included a write-down on the value of the company's metal inventory. Expenses were also driven higher, in part, by an increase in the company's headcount.

Polymetal International declared a full-year dividend of 48c per share, up from 44c in 2017.

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