Rackspace ® Hosting, Inc. (NYSE: RAX), the open cloud company, announced financial results for the quarter ended December 31, 2012. Net revenue for the fourth quarter of 2012 was $353 million, up 5.0% from the previous quarter and 25% from the fourth quarter of 2011. Net revenue for the fourth quarter of 2012 was positively impacted by currency exchange rates when compared to the fourth quarter of 2011 by $1.8 million and positively impacted when compared to the previous quarter by $1.4 million. Total server count increased to 90,524, up from 89,051 servers at the end of the previous quarter, and total customers increased to 205,538, up from 197,635 at the end of the previous quarter. “We are very pleased with the financial results we have delivered in 2012. Even more importantly, we are excited about the growth opportunities that our new set of open cloud products will provide us in the future,” said Karl Pichler, chief financial officer. Adjusted EBITDA for the quarter was $130 million, a 6.6% increase compared to the third quarter of 2012 and a 27% increase compared to the fourth quarter of 2011. The adjusted EBITDA margin for the quarter was 36.8% compared to 36.2% in the previous quarter and 36.1% for the fourth quarter of 2011. Consistent with prior periods, adjusted EBITDA and adjusted EBITDA margin were negatively impacted by a non-cash charge relating to data center operating leases. During the fourth quarter of 2012, the non-cash data center lease charge was $2.9 million. Net income was $30 million for the quarter, up 10.0% from the previous quarter and up 19% from the fourth quarter of 2011. Net income margin for the quarter was 8.5% compared to 8.1% for the previous quarter and 8.8% in the fourth quarter of 2011. Cash flow from operating activities was $121 million for the fourth quarter of 2012. Capital expenditures were $88 million, including $60 million for purchases of customer gear, $8 million for data center build outs, $2 million for office build outs and $18 million for capitalized software and other projects.