CHICAGO, Oct. 23 /PRNewswire-FirstCall/ — Allscripts (Nasdaq: MDRX), the
leading provider of clinical software, connectivity and information solutions
that physicians use to improve healthcare, announced today that it will report
its earnings for the three and nine months ended September 30, 2007 after the
stock market closes on Thursday, November 8, 2007. At 4:30 PM Eastern
Standard Time on the same day, Allscripts management will host a conference
call and webcast to discuss the Company’s earnings and other information.

(Logo: http://www.newscom.com/cgi-bin/prnh/20061005/ALLSCRIPTSLOGO-b)

The earnings announcement will be distributed via PR Newswire immediately
after the market closes on the afternoon of November 8th. The release will
also be available on the Company’s website at https://www.allscripts.com. To
listen to the conference call broadcast, participants may log onto
https://www.allscripts.com. It is recommended that participants log onto the
website approximately 15 minutes prior to the start of the conference call to
download and install any necessary software. The conference call also can be
accessed by dialing (888) 644-5594 and requesting the Allscripts earnings
call. A Microsoft Windows Media Player web replay will be available three
hours after the conclusion of the call for a period of two weeks at
https://www.allscripts.com or by calling (800) 642-1687, ID # 21783504.

(Minimum requirements to listen to the broadcast are: Microsoft Windows
Media Player software, downloadable free from
http://windowsmedia.com/download/download.asp, an Internet connection with a
minimum speed of 28.8Kpbs, and speakers or earphones).

About Allscripts

Allscripts is the leading provider of clinical software, connectivity and
information solutions that physicians use to improve healthcare. The Company’s
business units provide unique solutions that inform, connect and transform
healthcare. Allscripts award-winning software applications include Electronic
Health Records, practice management, e-prescribing, document imaging,
emergency department, and care management solutions, all offered through the
Company’s Clinical Solutions units. Additionally, Allscripts provides clinical
product education and connectivity solutions for physicians and patients
through its Physicians Interactive(TM) unit, and medication fulfillment
services through its Medication Services unit. To learn more, visit Allscripts
on the Web at https://www.allscripts.com.

This announcement may contain forward-looking statements about Allscripts
Healthcare Solutions that involve risks and uncertainties. These statements
are developed by combining currently available information with Allscripts
beliefs and assumptions. Forward-looking statements do not guarantee future
performance. Because Allscripts cannot predict all of the risks and
uncertainties that may affect it, or control the ones it does predict,
Allscripts’ actual results may be materially different from the results
expressed in its forward-looking statements. For a more complete discussion of
the risks, uncertainties and assumptions that may affect Allscripts, see the
Company’s 2006 Annual Report on Form 10-K, available through the Web site
maintained by the Securities and Exchange Commission at http://www.sec.gov.

SOURCE  Allscripts
    -0-                             10/23/2007
    /CONTACT:  Dan Michelson, Chief Marketing Officer, +1-312-506-1217,
dan.michelson@allscripts.com, or Todd Stein, Senior Manager-Public Relations,
+1-312-506-1216, todd.stein@allscripts.com, or Bill Davis, Chief Financial
Officer, +1-312-506-1211, bill.davis@allscripts.com, all of Allscripts/
    /Photo:  http://www.newscom.com/cgi-bin/prnh/20061005/ALLSCRIPTSLOGO-b
             AP Archive:  http://photoarchive.ap.org
             PRN Photo Desk, photodesk@prnewswire.com/
    /Web site:  https://www.allscripts.com /
    (MDRX)

CO:  Allscripts
ST:  Illinois
IN:  HEA CPR STW
SU:  CCA

EF-AB
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3995 10/23/2007 10:00 EDT http://www.prnewswire.com