April 25 (Reuters) - ** Shares of UK-based W.A.G
payment solutions Plc WPS.L rise 5.2% to 101p
** Stock is top pct gainer on FTSE 250 .FTMC index
** Co reports 30.7% rise in quarterly net rev to 52.2 mln
euros; benefits from acquisitions, growth in active customer
numbers
** Co's avg number of payment solutions active customers
rise 10% to 17,843 in qtr
** Board confirms medium-term guidance of organic net rev
growth between "high teens and low twenties", adj EBITDA margin
expansion from "mid-forties to high-forties"
** Including session gains, co's stock is up about 25% YTD
(Reporting by Saikeerthi in Bengaluru)
((Saikeerthi@thomsonreuters.com;))