(Corrects full-year dividend in 3rd graf to 9.5 cents)
Feb 20 (Reuters) - Australia's Oil Search on Tuesday reported a near threefold rise in annual core profit, underpinned by robust sales and rising oil and gas prices.
Core profit for the year ended Dec. 31 rose to $302.1 million from $106.7 million a year ago, just off analysts' forecasts of around $310.3 million, according to Thomson Reuters I/B/E/S.
The Papua New Guinea-focused oil and gas producer declared a full-year dividend of 9.5 cents per share, up from 3.5 cents a year ago. (Reporting by Ambar Warrick in Bengaluru; editing by Richard Pullin)