PartnerRe Ltd says it expects to take a fourth-quarter charge of approximately $88 million tied to the Japanese earthquake of March 11.With the charge, the company said it would reserve the full limit of its Tohoku Earthquake exposure related to its largest Japanese cedant.“The decision to reserve the full limit of its exposure to this particular cedant follows a recently completed intensive on-the-ground audit by the company of the cedant’s exposures and claims processes,” said PartnerRe in a statement issued yesterday.“This charge is expected to be reflected in the company’s fourth quarter 2011 results, and will impact its catastrophe sub-segment, is pre-tax, net of retrocession and reinstatement premiums.”Separately, the company said it was assessing its losses related to the flooding in Thailand, which occurred during the fourth quarter of 2011.Given its total exposures and market share in Thailand, PartnerRe continues to expect that its losses related to this event will be in the range of 0.5 percent to one percent of the total insured industry loss.