IDEXX Laboratories to Release 2003 Third Quarter Results and Broadcast Analyst Conference Call Live on the Internet

The Company will broadcast the conference call live over the Internet using Webcast technology. Individuals can access the live Webcast conference call through a link on the home page of the IDEXX Laboratories Web site, idexx.com. Participants are encouraged to access the Webcast conference call link 15 minutes prior to the commencement of the call to ensure the availability of the necessary audio software. An archived edition of the call will be available after 1:00 p.m. (Eastern) on that day via the same link.

The live call also will be accessible by telephone. To listen to the live conference call, please dial 719-867-0640 and reference conference call number 587872. Replay of the conference call will be available as of 12:00 p.m. (Eastern) on that day through Friday, October 24, by dialing 719-457-0820 and referencing conference call number 587872.

IDEXX Laboratories, Inc. is a worldwide leader in the development and commercialization of innovative, technology-based products and services for animal health. The Company's largest business is focused on companion animal health, combining biotechnology, medical device technology and information technology to aid veterinarians in providing better medicine while building successful practices. IDEXX Laboratories is also focused on employing innovative technologies to monitor production animal health and the safety and quality of drinking water and milk. Headquartered in Westbrook, Maine, IDEXX Laboratories employs more than 2,400 people and offers products to customers in over 100 countries.

This press release contains forward-looking statements regarding IDEXX as defined in the Private Securities Litigation Reform Act of 1995. These statements are based on management's current expectations of future events, which are subject to risks and uncertainties. If underlying assumptions prove inaccurate, actual results could vary materially from management's expectations. Risks and uncertainties include timing and success of new product introductions, competition and technological change, government regulation and obtaining government approvals, product demand and market acceptance of products, availability of products and raw materials, and litigation. A further description of these risks and uncertainties and other factors can be found in the Company's Annual Report on Form 10-K for the year ended December 31, 2002 and the Quarterly Report on Form 10-Q for the quarter ended June 30, 2003, (2,240 KB) in the section captioned "Management's Discussion and Analysis of Financial Condition and Results of Operations." The Company assumes no obligation to update any forward-looking statements as a result of new information or future events or developments.