AthenaHealth Inc.

East Watertown, Mass. • (617) 402-1000 • www.athenahealth.com

Exchange and Ticker: NYSE: NM

Filing Range: 6.29 million shares @ $14.00 to $16.00

Offering Price: $18.00

Close on First Day: $35.50

Offering Size: $113.20M

Shares Outstanding: 31,600,399

Underwriters: Goldman Sachs & Co./ Merrill Lynch

Co-managers: Piper Jaffray Cos./ Jefferies & Co. Inc.

Company Counsel: Goodwin Procter LLP

Manager Counsel: Ropes & Gray

Auditor: Deloitte & Touche LLP

Market capitalization on 9/28/07: $1.1B

Close price at current month end: $33.91

COMPANY DESCRIPTION

AthenaHealth Inc. provides application and business services for medical groups. The company’s services include billing and collections, subscription services and cost-reduction methods. AthenaHealth offers a Web-based transactional platform and delivers proprietary technology and integrated services linking providers to payors through intelligent patient and claims processing. Competitors include IDX Systems Corp., Misys Healthcare Systems and WebMD Practice Services.

VENTURE BACKERS

Cardinal Partners, Draper Fisher Jurvetson, Draper Richards, Granite Global Ventures, The Lambda Funds, Oak Investment Partners and Venrock AssociatesSource: Thomson Financial, Google Finance