BUZZ-Premier Oil: Production ahead of guidance
** Oil producer's shares up 10 pct, top FTSE midcap gainer, after saying its daily production rate was ahead of its annual guidance
** Production of 57,100 boepd ahead of its 2015 guidance of 55,000 boepd
** Best day for stock since August, bouncing off 12-yr lows
** Co easily top gainer on FTSE 350 Oil & Gas Index which is up 2 pct
** Shares (Berlin: DI6.BE - news) have fallen 62 pct YTD
(venkateshasoumithri.mamidipudi.thomsonreuters.com@reuters.net)