Regulatory Hurdle Clears Way for Approval of Merger

CHICAGO, June 2 /PRNewswire-FirstCall/ — Allscripts, the leading provider
of clinical software, connectivity and information solutions that physicians
use to improve healthcare, announced today that the waiting period under the
Hart-Scott-Rodino (HSR) Antitrust Improvements Act of 1976, with respect to
the merger agreement announced on March 18, 2008 between Allscripts and Misys
Healthcare to form Allscripts-Misys Healthcare Solutions, Inc., has expired.

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

The expiration of the Hart-Scott-Rodino waiting period satisfies one of
the closing conditions. The transaction remains subject to other customary
closing conditions.

Misys Healthcare is a division of Misys plc (FTSE: MSY.L), the global
applications software and services company.

About Allscripts

Allscripts (Nasdaq: MDRX) is the leading provider of clinical software,
connectivity and information solutions that physicians use to improve
healthcare. The company’s unique solutions inform, connect and transform
healthcare, delivering improved care at lower cost. More than 40,000
physicians and thousands of other healthcare professionals in clinics,
hospitals and extended care facilities nationwide utilize Allscripts to
automate everyday tasks such as writing prescriptions, documenting patient
care, managing billing and scheduling, and safely discharging patients, as
well as to connect with key information and stakeholders in the healthcare
system. To learn more, visit Allscripts 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 2007 Annual Report on Form 10-K, available through the Web site
maintained by the Securities and Exchange Commission at www.sec.gov.

SOURCE  Allscripts
    -0-                             06/02/2008
    /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 MSY.L)

CO:  Allscripts; Misys Healthcare
ST:  Illinois
IN:  CPR STW HEA MTC
SU:  TNM

AB-PD
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