UPDATE 1-Cigna and Berkshire sign $2.2 billion reinsurance deal
February 04, 2013 at 18:09 PM EST
Feb 4 (Reuters) - Cigna Inc. and Warren Buffett's Berkshire Hathaway Inc struck a $2.2 billion deal in which Berkshire will reinsure Cigna's risk related to future claims for two annuity businesses Cigna has exited.