athenahealth to Acquire Anodyne Health Partners, Inc.

Acquisition Adds SaaS Business Intelligence Tools and Provides Growth Vehicle in
Enterprise and Large Market Segments
WATERTOWN, Mass.--(Business Wire)--
athenahealth, Inc. (NASDAQ: ATHN), a leading provider of internet-based business
services for physician practices, today announced that it has signed a
definitive agreement to acquire Anodyne Health Partners, Inc., a provider of
Software-as-a-Service (SaaS) business intelligence (BI) solutions for healthcare
providers. Terms of the merger agreement include a cash payment of $22.3 million
with the potential for additional consideration of up to $7.7 million, based on
the achievement of certain business and financial milestones. The transaction is
expected to close in October.

Based in Alpharetta, Georgia, Anodyne Health Partners currently services large
and enterprise medical group clients and has over 14,000 medical providers under
contract. Anodyne Health Partners provides these clients with a unique
proprietary web-based BI software platform, Anodyne Intelligence, and related
services. This platform enhances an organization`s ability to view all facets of
its revenue cycle information and to access and extract critical operational and
administrative information from various data systems. Anodyne Health Partners
also has a business process outsourcing unit which is excluded from the
acquisition and will be spun off into a separate company prior to closing.

"Anodyne Health Partners has developed what we believe is the best web-based
business intelligence and reporting capability in the market, which it delivers
to all size practices with particular success in large and enterprise-level
medical group clients," said Jonathan Bush, athenahealth`s Chairman and CEO. "By
offering this capability through our national physician network, we will enhance
our services to existing clients while creating a pathway for additional growth
of our core services."

Anodyne Health Partners will operate as a separate unit of athenahealth with its
own brand identity and will continue to market its BI solution on a standalone
basis across all practice management platforms as it has done in the past.
athenahealth plans to enhance the value of the Anodyne Intelligence service for
athenahealth customers by integrating the service`s existing practice
information reporting capabilities into the athenaCollectorSM platform.

"athenahealth is by far the leading disruptive technology in our industry," said
Michael Funk, CEO of Anodyne Health Partners. "By joining with athenahealth, we
believe there is a tremendous opportunity to expand the development and use of
the web-based tools we have built and to accelerate adoption of athenahealth's
practice management, electronic health record, and patient communication
services in the large group and enterprise market."

athenahealth expects to incur expenses related to transaction costs and
amortization of purchased intangibles associated with the acquisition. The
Company intends to exclude these expenses from its non-GAAP adjusted financial
statements. The transaction-related expenses are expected to be approximately
three cents per diluted share.

About Anodyne Health Partners

Anodyne Health Partners (www.anodynehealth.com) is a provider of business
intelligence (BI) solutions for healthcare providers representing the large and
enterprise group markets. The Company`s unique, easy-to-use, web-based business
intelligence software revolutionizes access to revenue cycle information that
was once thought difficult, or even impossible, to obtain.

About athenahealth

athenahealth, Inc. (Nasdaq: ATHN) 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 health record
(EHR) software, a continuously updated payer knowledge-base, integrated
back-office service operations, and live patient communications services. For
more information visit www.athenahealth.com or call (888) 652-8200.

This press release contains forward-looking statements which are made pursuant
to the safe harbor provisions of Private Securities Litigation Reform Act of
1995, including statements regarding the benefits of athenahealth's service
offerings, the consummation, planned integration and expected benefits
(including a positive effect on the sale of our products and services) of the
merger and the transaction-related expenses incurred in connection with the
merger. These statements are neither promises nor guarantees, and are subject to
a variety of risks and uncertainties, many of which are beyond our control,
which could cause actual results to differ materially from those contemplated in
these forward-looking statements. In particular, the risks and uncertainties
include, among other things: the risk that our services offerings will not
operate in the manner that we expect, due to design flaws, security breaches or
otherwise; potential interruptions or delays in our internet-based services
offerings; our reliance upon third parties, such as computer hardware, software,
data-hosting and internet infrastructure providers, which reliance may result in
failures or disruptions in our service offerings; errors or omissions included
in our payer and clinical intelligence rules engine and database; the evolving
and complex government regulatory compliance environment in which we and our
clients operate; the risk that the merger does not close, including the risk
that required stockholder approvals for the merger may not be obtained;
diversion of management`s attention away from other business concerns; the risk
associated with the development of athenahealth`s strategic objectives; the
existence of unanticipated technical, commercial or other setbacks; the ability
to build additional value in the business; and the risk that athenahealth may
not successfully integrate the product lines, and may not realize the
anticipated benefits or synergies of the merger. Existing and prospective
investors are cautioned not to place undue reliance on these forward-looking
statements, which speak only as of the date hereof. athenahealth, Inc.
undertakes no obligation to update or revise the information contained in this
press release, whether as a result of new information, future events or
circumstances or otherwise. For additional disclosure regarding these and other
risks faced by athenahealth, Inc., see the disclosures contained in our public
filings with the Securities and Exchange Commission, including our quarterly
reports on Form 10-Q, and Annual Report on Form 10-K for the fiscal year ended
December 31, 2008, under the heading Part I, Item IA "Risk Factors," available
on the Investors section of our website at http://www.athenahealth.com and on
the SEC`s website at http://www.sec.gov.

Media
athenahealth, Inc.
John Hallock, 617-402-1428
Director, Corporate Communications
media@athenahealth.com
or
Investors
athenahealth, Inc.
Jennifer Heizer, 617-402-1322
Senior Manager, Investor Relations
investorrelations@athenahealth.com

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