The total revenue for the first quarter of 2012 was $1.11bn, compared to $1.05bn for the same period a year ago.

Operating income was $241m for the quarter, compared to $221m for the same period prior year.

During the quarter, the company signed 78 electronic bill payment clients, 59 debit clients and 93 person-to-person clients.

Fiserv anticipates 2012 adjusted revenue growth to be in a range of 4 to 6% and adjusted earnings per share to be in a range of $5.04 to $5.20, which represents growth of 10 to 14% over $4.58 in 2011.

Fiserv president and CEO Jeffery Yabuki said, "We’re on track to achieve our full-year guidance, and continue to believe that we will have stronger results in the second half of the year."