"We consider both the legal basis for the bail amount and the method of calculation to be deeply flawed and will appeal," the Zurich-based bank said in a statement to Reuters on Wednesday.
"We were also informed that UBS AG was placed under "mise-en-examen" (formal commencement of an investigation) for laundering the proceeds of tax evasion. We will continue to defend our case strongly," the bank said.
(Reporting By Katharina Bart; Editing by Victoria Bryan)