UPDATE — ATHENAHEALTH TO PRESENT AT THE 2007 MERRILL LYNCH HEALTH SERVICES INVESTOR CONFERENCE

WATERTOWN, Mass. (November 21, 2007) – (PrimeNewswire via COMTEX News Network) — athenahealth, Inc. (Nasdaq:ATHN), a leading provider of internet-based business services for physician practices, today announced that Jonathan Bush, Chairman and CEO, and Carl B. Byers, Senior Vice President and CFO, will provide a corporate overview at the 2007 Merrill Lynch Health Services Investor Conference on November 27, 2007, at the Merrill Lynch Headquarters in New York City.

athenahealth’s presentation is scheduled to begin at 3:30 p.m. Eastern time. Investors, analysts and the general public are invited to listen to this presentation live over the Internet via athenahealth’s Investor Information link at http://investors.athenahealth.com/events.cfm. For those unable to listen to the live audio webcast, a replay will be archived on the Investor Relations area of the athenahealth Web site following the presentation.

About athenahealth

athenahealth is a leading provider of internet-based business services for physician practices. The Company’s service offerings are based on proprietary web-native 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 .

This news release was distributed by PrimeNewswire, www.primenewswire.com

SOURCE: athenahealth, Inc.

athenahealth, Inc.
Media:
John Hallock, Manager, Public Affairs & Corporate
Communications
(617) 402-1428
media@athenahealth.com
Investors:
Carl Byers, Chief Financial Officer
(617) 402-1113
IR@athenahalth.com
(C) Copyright 2007 PrimeNewswire, Inc. All rights reserved.

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Source: ATHENAHEALTH