Gilead Sciences, Inc. (Nasdaq:GILD) announced today its results of operations for the fourth quarter and full year of 2005. Total revenues for the fourth quarter of 2005 were $609.3 million, up 65 percent compared to total revenues of $369.6 million for the fourth quarter of 2004. Total revenues for 2005 exceeded $2 billion for the first time, while full year operating income topped $1.11 billion. Net income for the fourth quarter of 2005 was $281.6 million, or $0.59 per diluted share compared to net income of $110.2 million, or $0.24 per diluted share for the fourth quarter of 2004. Diluted earnings per share for 2005 was $1.72, a 74 percent increase from 2004.