THOUSAND OAKS, Calif.--(BUSINESS WIRE)--Amgen (NASDAQ:AMGN) reported adjusted EPS, excluding stock option expense and certain other expenses, of $0.90 for the fourth quarter of 2006, an increase of 20 percent compared to $0.75 during the fourth quarter of 2005. Adjusted EPS for the fourth quarter of 2006 includes a 3 cent per share cost for the collaboration with Cytokinetics which was announced earlier this year. Adjusted net income, excluding stock option expense and certain other expenses, increased 14 percent to $1,060 million compared to $928 million in the fourth quarter of 2005. Stock option expense on a per share basis totaled 3 cents and 5 cents in the fourth quarter of 2006 and fourth quarter of 2005, respectively.