The company said its revenue rose 50.3 percent to $10.93 billion, helped by a rise in net premiums earned, which was up 44.4 percent to $9.98 billion at the end of the year.

Business groups and insurers are mobilizing to defeat a proposed amendment to the financial services reform bill that would substantively expand the reach of private securities litigation.

Sen. Patrick Leahy, D-Vermont, is making another attempt to end the antitrust exemption accorded health insurers through the McCarran-Ferguson Act.

Catlin Group has estimated that it will face$40 million in claims for the 2010 second quarter from the Deepwater Horizon drill platform disaster.