Amgen expects to invest $1 billion during the next four years to expand its manufacturing capacity in Puerto Rico to meet rising global demand for the company’s products. The investment will include expansion of existing facilities in the company’s manufacturing complex in Juncos, PR, and the construction of a new formulation, fill and finish facility. Amgen expects to add approximately 500 staff members in PR by 2010. In PR, the company expects to expand its Neupogen and Neulas...