mdrx-defa14a_20190523.htm

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*** Exercise Your Right to Vote ***Important Notice Regarding the Availability of Proxy Materials for theStockholder Meeting to Be Held on May23,2019ALLSCRIPTS HEALTHCARE SOLUTIONS, INC ALLSCRIPTS HEALTHCARE SOLUTIONS, INC. C/O BROADRIDGE P.O. BOX 1342 BRENTWOOD, NY 11717 0000414544_1 R1.0.1.18 Meeting Information Meeting Type: Annual Meeting For holders as of: March 29, 2019 Date:May 23, 2019 Time: 9:00 AM CDT Location: Allscripts' Principal Offices 222 Merchandise Mart Plaza Suite 2024 Chicago, Illinois 60654 You are receiving this communication because you hold shares in the above named company. This is not a ballot. You cannot use this notice to vote these shares. This communication presents only an overview of the more complete proxy materials that are available to you on the Internet. You may view the proxy materials online at www.proxyvote.com or easily request a paper copy (see reverse side). We encourage you to access and review all of the important information contained in the proxy materials before voting. See the reverse side of this notice to obtain proxy materials and voting instructions.

Before You Vote How to Access the Proxy Materials Proxy Materials Available to VIEW or RECEIVE: 1. Notice & Proxy Statement 2. Form 10-K How to View Online: Have the information that is printed in the box marked by the arrow xxxx xxxx xxxx xxxx (located on the following page) and visit: www.proxyvote.com. How to Request and Receive a PAPER or E-MAIL Copy: If you want to receive a paper or e-mail copy of these documents, you must request one. There is NO charge for requesting a copy. Please choose one of the following methods to make your request: 1) BY INTERNET: www.proxyvote.com 2) BY TELEPHONE: 1-800-579-1639 3) BY E-MAIL*: sendmaterial@proxyvote.com * If requesting materials by e-mail, please send a blank e-mail with the information that is printed in the box marked by the arrow xxxx xxxx xxxx xxxx (located on the following page) in the subject line. Requests, instructions and other inquiries sent to this e-mail address will NOT be forwarded to your investment advisor. Please make the request as instructed above on or before May 09, 2019 to facilitate timely delivery. How To Vote Please Choose One of the Following Voting Methods Vote In Person: Many stockholder meetings have attendance requirements including, but not limited to, the possession of an attendance ticket issued by the entity holding the meeting. Please check the meeting materials for any special requirements for meeting attendance. At the meeting, you will need to request a ballot to vote these shares. Vote By Internet: To vote now by Internet, go to www.proxyvote.com. Have the information that is printed in the box marked by the arrow xxxx xxxx xxxx xxxx available and follow the instructions. Vote By Mail: You can vote by mail by requesting a paper copy of the materials, which will include a proxy card. 0000414544_2 R1.0.1.18

Voting items The Board of Directors recommends you vote FOR the following: 1. Election of Directors Nominees 1A Mara G. Aspinall 1B Paul M. Black 1C P. Gregory Garrison 1D Jonathan J. Judge 1E Michael A. Klayko 1F Yancey L. Spruill 1G Dave B. Stevens 1H David D. Stevens The Board of Directors recommends you vote FOR proposals 2, 3 and 4. 2 To approve the Allscripts Healthcare Solutions, Inc. 2019 Stock Incentive Plan. 3 To ratify the appointment of Grant Thornton LLP as the Company's independent registered public accounting firm for the year ending December 31, 2019. 4 To approve, on an advisory basis, the Company's named executive officer compensation. NOTE: Such other business as may properly come before the meeting or any adjournment thereof. 0000414544_3 R1.0.1.18