
Total revenues for the quarter increased to $920.1m from $747.6m of the corresponding year same period.
The company also reported an after-tax operating loss to common shareholders of $24.7m, or $0.18 per share, for the 2012 fourth quarter, compared to after-tax operating income available to common shareholders of $128.9m, or $0.94 per share, for the 2011 fourth quarter.
During the quarter, the combined ratio of the company’s insurance and reinsurance subsidiaries consisted of a loss ratio of 79.9% and an underwriting expense ratio of 32.5%, compared to a loss ratio of 56.2% and an underwriting expense ratio of 33.5% for the 2011 fourth quarter.
For 2012, net income available to common shareholders was $568.3m, or $4.11 per share, compared to $410.3m, or $2.97 per share, for 2011.
Total revenues in the twelve month period of 2012 were $3.4bn, compared to $3.06bn of the year ago period.

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By GlobalDataFor 2012, after-tax operating income available to common shareholders was $350.6m, or $2.54 per share, compared to $303.4m, or $2.19 per share, for 2011.
The company’s book value per common share was $36.19 at 31 December 2012, a 1.6% decrease from $36.79 per share at 30 September 2012 and a 13.9% increase from $31.76 per share at 31 December 2011.