Bermuda-based Ace reported an increase in its gross written premiums as it published its results for the first quarter of 2004.
GWP went up from $4.112bn in the first quarter of 2003 to $4.415bn for the first quarter of 2004.
Pretax profit for the quarter was $569m, up from the $299m recorded for the previous year.
Income after tax grew from $247m in 2003 to $447m for the three months ending 31 March 2004.
Diluted earnings per share reached $1.53, up from $0.90 in the previous year.