BUZZ-Centamin: down 15 pct on slashed production forecast

** The gold miner's shares fell 15 pct to lowest in more than 8 months after slashing production forecast.

** The miner now expects gold output at its only producing mine to be about 9.5 to 11 pct lower than previously expected.

** The share fall was the biggest fall in intraday trade since May 2013 & second-worst performing UK mid-cap.

** Though a cut in forecasts expected magnitude a surprise, analysts say.

(abhiram.nandakumar.thomsonreuters.com@reuters.net)