Hundreds of millions of dollars in insurance claims forcorporate directors and officers involved in the investigation ofmanipulations of the Libor rate could push up the costs ofdirectors and officers insurance for all companies, Reutersreports. Insurers fear that hefty claims from the scandal, whichinvolves than a dozen global banks, will drive up costs at a timewhen coverage rates are already rising.

“We're going to be spending the next three-to-five years gettingour heads around how much this is going to cost,” one source toldReuters.

However, illegal actions invalidate D&O policies, soinsurers may get a break if the authorities bring criminal chargesagainst banks.