ATHENAHEALTH TO PRESENT AT THE WILLIAM BLAIR & COMPANY 28TH ANNUAL GROWTH STOCK CONFERENCE

WATERTOWN, Mass. (June 13, 2008) – athenahealth, Inc. (NASDAQ: ATHN), a leading provider of internet-based business services for physician practices, today announced Carl Byers, Chief Financial Officer, will present at the William Blair & Company 28th Annual Growth Stock Conference on June 18th at 3:10p.m. (CT) at the Four Seasons Hotel in Chicago.

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 website following the presentation.

Source: ATHENAHEALTH