** Big swing in euro exchange rate puts spotlight on UKcompanies with significant customer bases in the eurozone
** EURGBP approaching 0.70, fall of 9.2 pct YTDhas already outstripped 6.6 pct fall in 2014
** Several FTSE 100 stocks derive more than 50 pctrevenues in euros
** Imperial Tobacco highest EUR exposure in theindex at c. 71 pct
** Majority of debt denominated in euros and benefits fromstronger macro background in the eurozone, but profits hurt by astronger euro
** Said in its FY2014 results a 10 pct depreciation in theeuro would hit income by £307 mln, knocking £1.1 bln off co'sshare price. Chart: http://link.reuters.com/qan34w
** Stock down 6 pct in last three trading days but still up10 pct YTD
** Other stocks with majority of revenues from eurozone: 3i (c. 67 pct continental Europe), Vodafone (56pct), Easyjet (52 pct)
** Travel and real estate cos also among most exposed toeurozone on FTSE 250 and Small Cap indices
** Thomas Cook, Flybe, Hansteen among others that derive majority of revenues from the eurozone (RM: alasdair.pal.thomsonreuters.com@reuters.net)