American International Group (AIG) has reported a net income attributable to AIG of $1.8bn and after-tax operating income of $1.3bn for the second quarter ended 30 June 2011, compared with a net loss of $2.7bn and after-tax operating income of $793m for the second quarter of 2010.

Chartis reported operating income of $789m for the second quarter of 2011, compared to operating income of $955m in the same quarter of 2010.

The 2011 second quarter after-tax operating income per share was $0.69, a 6.3% return on equity, compared with after-tax operating income per share of $1.18 for the second quarter last year.

SunAmerica Financial Group operating income was $743m for the second quarter of 2011, compared to $858m in the second quarter of 2010.

Financial Services reported an operating loss of $146m for the second quarter of 2011, compared with operating income of $25m in the second quarter of 2010.

AIG president and CEO Robert Benmosche said its results for the second quarter demonstrate the hard work from employees across all of their business units and their unrelenting focus on performance.