Results for the first quarter of 2012 and 2011 include $31m and $21m, respectively, of pre-tax merger expenses and exit costs.

The total revenues for the first quarter of 2012 were $952m, compared to $1.14bn for the same period a year ago.

Operating income decreased to $165m for the quarter, compared to $243m in the year-ago quarter.

Derivatives segment’s net revenue decreased 25% to $176m for the quarter, compared to $236m for the same period last year.

Cash trading and listings segments’ net revenue declined 7% to $304m, compared to $328m for the same period in the year ago period.

NYSE Euronext CEO Duncan Niederauer said, "Our first quarter results reflect the challenging operating environment which carried over into 2012 and will continue to result in near-term headwinds."