ATHENAHEALTH TO HOST FIRST ANNUAL INVESTOR SUMMIT

WATERTOWN, Mass. (November 20, 2008) – athenahealth, Inc. (NASDAQ: ATHN), a leading provider of internet-based business services for physician practices, announced today that it will host its first annual investor summit at its headquarters in Watertown, Massachusetts on Thursday, December 4, 2008.

When:

Thursday, December 4, 2008
9:00 a.m. until 1:45 p.m. Eastern Time (time approximate)
Where:

athenahealth, Inc. Corporate Headquarters
400 North Beacon Street
Watertown, MA 02472
What:

athenahealth management will discuss key Company priorities and may provide forward-looking information about the Company’s business during the presentations.
Due to limited capacity, attendance to the investor summit is by invitation only.

Webcast

A live webcast of athenahealth’s First Annual Investor Summit can be viewed via the “Investor Events & Presentations” section of athenahealth’s website at http://investors.athenahealth.com/events.cfm.

An archive of the webcast will be available within 24 hours of the end of the event and can be viewed at the same link through January 4, 2009.

Source: ATHENAHEALTH