I imagine they're very diluted. But you can check with the London Exchange: <A HREF="http://www.londonstockexchange.com/en-gb/pricesnews/prices/system/detailedprices.htm?sym=GB00B02VD566GBGBXSEAQB02VD56LPI" target="_blank">http://www.londonstockexchange.com/en-gb/pricesnews/prices/system/detailedprices.htm?sym=GB00B02VD56...</A> Some of the information is, alas, rather confusing.