GERMANY: Sells E5.72 bio 5.25% 2011 10year top-up at average yield of 4.71%. The low accepted price was 104.12, average weighted price of 104.03. The Bundesbank retained E2.28bio with the total top-up volume E8bio. Including earlier sales, the Buba said the 5.25% 2011 issue volume was E23bio. The cover ratio was 3.6.