Earnings Releases

IDEXX Laboratories Announces Fourth Quarter and Full Year Results
WESTBROOK, Maine, January 27, 2012—IDEXX Laboratories, Inc. (NASDAQ: IDXX), today reported that revenues for the fourth quarter of 2011 increased 8% to $307.2 million, from $283.8 million for the fourth quarter of 2010. Organic revenue growth, as defined below, was 7%. Earnings per diluted share ("EPS") for the quarter ended December 31, 2011 increased 8% to $0.67, compared to $0.62 for the same period in the prior year. Fourth quarter 2011 EPS includes a $3 million milestone payment earned related to the 2008 sale of product rights previously included in our pharmaceutical product line, which added $0.03 to EPS. Fourth quarter 2010 EPS of $0.62 included a similar milestone payment as well as the full year 2010 benefit from the reinstatement of the Federal Research and Development tax credit, which added a combined $0.06 to EPS.

IDEXX Laboratories Announces Third Quarter Results
WESTBROOK, Maine, October 21, 2011—IDEXX Laboratories, Inc. (NASDAQ: IDXX), today reported that revenues for the third quarter of 2011 increased 12% to $301.0 million, from $269.6 million for the third quarter of 2010. Organic revenue growth, as defined below, was 8¬%. Earnings per diluted share (“EPS”) for the quarter ended September 30, 2011 increased 12% to $0.66, compared to $0.59 for the same period in the prior year.

IDEXX Laboratories Announces Second Quarter Results
WESTBROOK, Maine, July 22, 2011—IDEXX Laboratories, Inc. (NASDAQ: IDXX), today reported that revenues for the second quarter of 2011 increased 13% to $317.9 million, from $281.5 million for the second quarter of 2010. Organic revenue growth, as defined below, was 8%. Earnings per diluted share ("EPS") for the quarter ended June 30, 2011 increased 34% to $0.83, compared to $0.62 for the same period in the prior year.

IDEXX Laboratories Announces First Quarter Results
WESTBROOK, Maine, April 21, 2011—IDEXX Laboratories, Inc. (NASDAQ: IDXX), today reported that revenues for the first quarter of 2010 increased 14% to $268.5 million, from $236.5 million for the first quarter of 2009. Organic revenue growth, as defined below, was 9%. Earnings per diluted share ("EPS") for the quarter ended March 31, 2010 increased 28% to $0.55, compared to $0.43 for the same period in the prior year.