Washington, DC 20549




(RULE 14a-101)


Proxy Statement Pursuant to Section 14(a) of the

Securities Exchange Act of 1934



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  Preliminary Proxy Statement.
  Confidential, for Use of the Commission Only (as permitted by Rule 14a-6(e)(2)).
  Definitive Proxy Statement.
  Definitive Additional Materials.
  Soliciting Material Pursuant to §240.14a-12.


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*** Exercise Your Right to Vote ***

Important Notice Regarding the Availability of Proxy Materials for the

Shareholder Meeting to Be Held on May 24, 2018




Meeting Information

    SYNEOS HEALTH, INC.    Meeting Type: Annual Meeting
       For holders as of: March 27, 2018
       Date: May 24, 2018             Time: 8:00 AM EST

Location:    The Carolina Inn


         211 Pittsboro Street


         Chapel Hill, NC 27516








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 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. Annual Report         2. Proxy Statement


How to View Online:


     Have the information that is printed in the box marked by the arrow LOGO (located on the following page) and visit:

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:




2) BY TELEPHONE:  1-800-579-1639


3) BY  E-MAIL*:

     * 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  LOGO (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 10, 2018 to facilitate timely delivery.







—  How To Vote  —


Please Choose One of the Following Voting Methods




Vote In Person: Many shareholder 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 Have the information that is printed in the box marked by the arrow LOGO 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.



Voting items



The Board of Directors recommends you vote FOR the following:



1.  To elect three Class I directors for a term expiring at the 2021 annual meeting of stockholders or until their successors have been elected and qualified.






01 Thomas Allen                 02 Linda S. Harty                 03 Alistair Macdonald


The Board of Directors recommends you vote FOR proposals 2, 3, 4 and 5.


2   To approve on an advisory (nonbinding) basis our executive compensation;


3   To approve the Syneos Health, Inc. 2018 Equity Incentive Plan;


4   To approve the Syneos Health, Inc. 2016 Employee Stock Purchase Plan (as Amended and Restated);


5   To ratify the appointment of the Company’s independent auditors Deloitte & Touche LLP; and


NOTE: To consider and take action upon such other matters as may properly come before the meeting or any adjournments or postponements thereof.