CHICAGO, Feb 15, 2006 (BUSINESS WIRE) — Allscripts Healthcare Solutions, Inc. (Nasdaq:MDRX)
announced today that it intends to offer 7.3 million shares of common
stock, pursuant to a preliminary prospectus supplement to be filed
with the Securities and Exchange Commission under Allscripts’ shelf
registration statement.

The Company intends to use all of the net proceeds from the
offering to finance the proposed acquisition of A4 Health Systems,
Inc. If the acquisition is not consummated, the proceeds will be used
for general corporate purposes.

The offering will be led by Lehman Brothers and UBS Investment
Bank as joint book-running managers. Jefferies Broadview, William
Blair & Company, Piper Jaffray and Goldman, Sachs & Co. will be
co-managers for the offering. Allscripts will grant the underwriters
an option to purchase up to an additional approximately 1.1 million
shares from Allscripts if the underwriters sell more than 7.3 million
shares of common stock in the offering.

A copy of the preliminary prospectus supplement and prospectus
relating to the offering may be obtained from Lehman Brothers,
Prospectus Department, c/o ADP Financial Services, Integrated
Distribution Services, 1155 Long Island Avenue, Edgewood, New York, NY
11717 and UBS Investment Bank, 299 Park Avenue, New York, NY 10071.
These documents are being filed with the Securities and Exchange
Commission and will be available over the Internet at the SEC’s web
site at http://www.sec.gov.

Allscripts is a provider of clinical software, connectivity and
information solutions that physicians use to improve healthcare.
Allscripts’ Clinical Solutions Group’s clinical software applications
include Electronic Health Record, e-prescribing and document imaging
solutions. Additionally, Allscripts provides clinical product
education and connectivity solutions for physicians and patients
through its Physicians Interactive(TM) Group and medical fulfillment
services through its Medication Solutions Group.

This announcement shall not constitute an offer to sell, or the
solicitation of an offer to buy, nor shall there be any offer of these
securities in any jurisdiction in which such offer, solicitation or
sale would be unlawful prior to the registration or qualification
under the securities laws of any such jurisdiction.

Statements in this press release contain forward-looking
information within the meaning of Section 27A of the Securities Act of
1933 and Section 21E of the Securities Exchange Act of 1934, including
statements about the proposed offering, the proposed acquisition and
the intended use of proceeds of the offering. These statements involve
a number of risks and uncertainties, including investor response to
the proposed offering, the trading prices for the Allscripts’ common
stock during the offering period, other conditions in the financial
markets and customary closing conditions. For a more complete
discussion of the risks, uncertainties and assumptions that may affect
Allscripts, see the Company’s preliminary prospectus supplement
relating to the offering and the Company’s 2004 Annual Report on Form
10-K, available through the Web site maintained by the Securities and
Exchange Commission at www.sec.gov.

SOURCE: Allscripts Healthcare Solutions, Inc.

Allscripts
Bill Davis, 312-506-1211 (CFO)
bill.davis@allscripts.com