Prologis European Properties (PEPR), one of Europe's largest owners of distribution facilities, said the total open market value of its like-for-like portfolio decreased by 13.4% in 2009, with continental European countries recording valuation declines of between 12.3% and 18.9% compared with 2008. The UK showed signs of improvement, falling 5.2% on the year after having recovered 5.5% in the second half.