ATHENAHEALTH TO PRESENT AT THE CANACCORD ADAMS ON-DEMAND SOFTWARE CONFERENCE

WATERTOWN, Mass. (May 12, 2008) – athenahealth, Inc. (NASDAQ: ATHN), a leading provider of internet-based business services for physician practices, today announced Carl Byers, Chief Financial Officer, will be presenting at the Canaccord Adams On-Demand Software Conference on May 15th at 2:00 p.m. in New York City at the Waldorf Astoria Hotel.

A live webcast of the presentation will be available online. Investors, analysts and the general public are invited to listen to this presentation over the Internet via athenahealth’s Investor Website link at http://investors.athenahealth.com/events.cfm. For those unable to listen to the audio webcast, a replay will be archived on the Investor area of the athenahealth Web site following the presentation. Please visit the Website at least 15 minutes early to register, download and install any necessary software.

About athenahealth

athenahealth is the leading provider of internet-based business services for physician practices. The Company’s service offerings are based on proprietary internet-based practice management and electronic medical record (EMR) software, a continuously updated payer knowledge-base and integrated back-office service operations. For more information visit www.athenahealth.com or call (888) 652-8200 .

Source: ATHENAHEALTH