 The company has strong financial ratings including an A. M. Best rating of A+ (superior), Standard & Poor's rating of AA- (very strong), and Fitch Group rating of AA- (very strong).On June 10, 2015, the company announced it was acquired by Japan’s Tokio Marine for a fee of $7.5 billion.On October 27, 2015, the company announced the closing of the acquisition by Tokio Marine.