UBM has said that a “foreign exchange headwind” and the later running of shows in the year helped contribute to lower event revenues in the opening quarter of 2014. In unaudited results for the three months, which ended 31 March 2014, events revenue in 2014 was £93.3m, a 13.2 per cent drop from the 2013 figure of £107.5m. UBM also said that robust growth from its US shows, led by Game Developer Conference and MD&M West,...