Epocrates to Present at the William Blair 31st Annual Growth Stock Conference on June 16, 2011

San Mateo, Calif. (GLOBE NEWSWIRE), June 2, 2011

Epocrates, Inc. (NASDAQ: EPOC), a leading provider of mobile drug reference tools to healthcare professionals and interactive services to the healthcare industry, today announced that Rose Crane, president and chief executive officer, is scheduled to present at the William Blair 31st Annual Growth Stock Conference at 11:20 a.m. Central Time on Thursday, June 16, 2011, at The Four Seasons Hotel located at 120 East Delaware Place, Chicago, IL.

To access the simultaneous webcast, go to the Investor Relations section of Epocrates' website at http://investor.epocrates.com and click on the webcast icon. The webcast will also be available for replay approximately one hour after the presentation is complete.

About Epocrates, Inc.

Epocrates, Inc., developers of the #1 most used mobile medical app among U.S. physicians, creates point-of-care digital solutions that enhance the practice of medicine. More than 1.3 million healthcare professionals, including 45 percent of U.S. physicians, use Epocrates to help improve patient care and practice efficiencies with its drug reference, educational and clinical apps. The company also partners with the healthcare industry, including top pharmaceutical companies, to engage with its clinician network through effective, interactive services. For more information about Epocrates, please visit www.epocrates.com/company.

Epocrates is a trademark of Epocrates, Inc., registered in the U.S. and other countries.

Media Contact

Holly Spring
athenahealth, Inc. (Media)
media@athenahealth.com
617-402-1631

Dana Quattrochi
athenahealth, Inc. (Investors)
investorrelations@athenahealth.com
617-402-1329

April Marks
Epocrates, Inc. (Media)
pr@epocrates.com
650-520-2413