Rackspace® Hosting, Inc. (NYSE: RAX), the service leader in cloud computing, announced financial results for the quarter ended December 31, 2011. Net revenue for the fourth quarter of 2011 was $283 million, up 7.1% from the previous quarter and 32% from the fourth quarter of 2010. Net revenue for the fourth quarter of 2011 was negatively impacted by currency exchange rates when compared to the third quarter of 2011 by $1.6 million and negatively impacted compared to the fourth quarter of 2010 by $0.4 million. Total server count increased to 79,805, up from 78,717 servers at the end of the previous quarter, and total customers increased to 172,510, up from 161,422 at the end of the previous quarter. “We are very pleased with the financial results we have generated for the fourth quarter and the full year. We accomplished our financial objectives for 2011 and ended the year really strong,” said Karl Pichler, chief financial officer. Adjusted EBITDA for the quarter was $102 million, a 16.2% increase compared to the third quarter of 2011 and a 42% increase compared to the fourth quarter of 2010. The adjusted EBITDA margin for the quarter was 36.1% compared to 33.3% in the previous quarter and 33.5% for the fourth quarter of 2010. Adjusted EBITDA and adjusted EBITDA margin were negatively impacted by a non-cash charge of $1.2 million for the quarter relating to data center operating leases. Net income was $25 million for the quarter, up 25.3% from the previous quarter and 85% from the fourth quarter of 2010. Net income margin for the quarter was 8.8% compared to 7.6% for the previous quarter and 6.3% in the fourth quarter of 2010. Cash flow from operating activities was $105 million for the fourth quarter of 2011. Capital expenditures were $79 million, including $47 million for purchases of customer gear, $7 million for data center build outs, $10 million for office build outs and $15 million for capitalized software and other projects.