TUCSON, AZ -- (MARKET WIRE) -- April 27, 2007 -- Ventana Medical Systems, Inc. (NASDAQ: VMSI) today reported sales of $64.4 million for the quarter ending March 31, 2007, a 19% increase over the first quarter of 2006. The Company reported net income for the first quarter of $18.0 million, or $0.50 per diluted share, compared with net income of $5.0 million, or $0.14 per diluted share in the first quarter of 2006. Current period results include net income of $12.3 million, or $0.34 per diluted share associated with the sale of the Company’s investment in Vision Systems Ltd.