CONCORD, Calif.--(BUSINESS WIRE)--Cerus Corporation (NASDAQ:CERS) today announced results for the fourth quarter and year-ended December 31, 2006. Revenues for the fourth quarter of 2006 were $14.1 million, up from $5.6 million for the fourth quarter of 2005, primarily due to the receipt and recognition of $9.5 million in milestone consideration received from BioOne Corporation in the fourth quarter of 2006. Product sales of the INTERCEPT Blood System for platelets in Europe were $0.9 million during the fourth quarter of 2006 compared to $90 thousand for the same period in 2005. Total operating expenses for the fourth quarter of 2006 were $12.0 million, up from $9.0 million for the same period in 2005, due primarily to European commercialization activities for the INTERCEPT Blood System, costs incurred to initiate and maintain Phase I clinical trials for the red blood cell system and CRS-100 product candidates, and non-cash stock-based compensation as a result of adopting FAS 123R.