Chubb Reports Fourth Quarter Per Share Net Income and Core Operating Income of $6.33 and $6.02, Respectively; Consolidated Net Premiums Written of $12.1 Billion, with Global P&C and Life Insurance Up 6.7% and 7.6%; P&C Combined Ratio of 85.7%; Record Full-Year Per Share Net Income of $22.70 and Core Operating Income of $22.51; Consolidated Net Premiums Written of $51.5 Billion, Up 8.7%, with Global P&C Up 9.6% and Life Insurance Up 15.7%; P&C Combined Ratio of 86.6%