Standard & Poor's (S&P) has withdrawn its Api financial strength and counterparty credit ratings on Liberty Mutual UK.
The international ratings agency said the move was due to insufficient information on the company's "potentially significant" exposure to the terrorist attacks in the US on September 11, 2001.
Liberty Mutual UK is the London market operation of Boston-based Liberty Mutual Insurance, which recently announced that its exposure to the World Trade Center disaster could be in the range of $200m (£135.3m) to $300m (£202.9m). S&P said that estimate included Liberty Mutual UK's exposures.
S&P said it would be meeting with Liberty Mutual UK's management within a month and expected to assign interactive ratings to the company shortly thereafter.
