ATHENAHEALTH, INC. ANNOUNCES THIRD QUARTER 2008 EARNINGS CONFERENCE CALL

WATERTOWN, Mass (October 24, 2008) – athenahealth, Inc. (NASDAQ: ATHN), a leading provider of internet-based business services for physician practices, today announced that the Company will hold a conference call for investors on Friday, November 7th, 2008 at 8:30 a.m. EST. Management will discuss the Company’s third quarter 2008 results, which will be released after the close of market trading on Thursday, November 6th, 2008.

To participate in athenahealth’s live conference call and webcast, dial 877-874-1589 ( 719-325-4835 for international calls) or visit the investors section of the Company’s web site: www.athenahealth.com. A replay of the conference call will be available via the website or by calling 888-203-1112 ( 719-457-0820 for international calls) and using Passcode Number: 3841189.

Source: ATHENAHEALTH