CHATSWORTH, Calif., May 3, 2010 (GLOBE NEWSWIRE) -- IRIS International, Inc. (Nasdaq:IRIS), reflecting continued improved instruments sales and record sales of consumables and service, today announced revenue of $26.0 million for the first quarter ended March 31, 2010, a 20% increase from revenue of $21.6 million in the prior year first quarter. Net income in the 2010 first quarter of $1.04 million, or $0.06 per diluted share, compares with net income of $1.4 million, or $0.08 per diluted share, in the year ago period, reflecting a 20% increase in operating expenses, including a 31% increase in R&D expense. Diluted weighted average shares outstanding for the three months ended March 31, 2010 and 2009, were 18.2 million and 17.8 million, respectively.
