UPDATE 2-Polyus says 2011 earnings up 40 pct
January 30, 2012 at 11:41 AM EST
MOSCOW, Jan 30 (Reuters) - Russian Presidential hopeful Mikhail Prokhorov's Polyus Gold said increased output boosted core earnings 40 percent to $1.04-1.06 billion last year, while production was expected to rise again in 2012.