FOSTER CITY, Calif.--(BUSINESS WIRE)--Gilead Sciences, Inc. (Nasdaq:GILD) announced today its results of operations for the fourth quarter and full year 2011. Total revenues for the fourth quarter of 2011 increased 10 percent to $2.20 billion, from $2.00 billion for the fourth quarter of 2010. Net income for the fourth quarter of 2011 was $665.1 million, or $0.87 per diluted share, compared to $629.4 million, or $0.76 per diluted share for the fourth quarter of 2010. Non-GAAP net income for the fourth quarter of 2011, which excludes after-tax acquisition-related, restructuring and stock-based compensation expenses, was $743.1 million, or $0.97 per diluted share, compared to $779.3 million, or $0.95 per diluted share for the fourth quarter of 2010.