SCHEDULE 14A INFORMATION
Proxy Statement Pursuant to Section 14(a) of the
Securities Exchange Act of 1934
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☐	 	Preliminary Proxy Statement	
		
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☐	 	Definitive Proxy Statement	
		
☑	 	Definitive Additional Materials	
		
☐	 	Soliciting Material Pursuant to § 240.14a-12	
	
SYNACOR, INC.	
(Name of Registrant as Specified in its Charter)	

(Name of Person(s) Filing Proxy Statement if Other Than the Registrant)	
	
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*** Exercise Your Right to Vote ***
Important Notice Regarding the Availability of Proxy Materials for the
Stockholder Meeting to Be Held on May 17, 2018.

	  	SYNACOR, INC.	  		  	 	  	Meeting Information             
 	 	 	
	  		  		  	 	  	Meeting Type:	 	  Annual Meeting	 	 	
	  		  		  	 	  	For holders as of:	 	  March 19, 2018	 	 	
	  		  		  	 	  	 
Date:     May 17, 2018	 	 
       Time:  11:00 AM EDT	 	 	
	  		  		  	 	  	 
Location:    Meeting live via the Internet-please visit	 	 	
            SYNACOR, INC.
            40 LA RIVIERE DRIVE, SUITE 300
            BUFFALO, NY 14202                    	  		  	 	  	    www.virtualshareholdermeeting.com/SYNC2018
 
The company will be hosting the meeting live via the Internet this year. To attend the meeting via the Internet please visit www.virtualshareholdermeeting.com/SYNC2018 and be sure to have the information that is printed in the box marked by the arrow  (located on the following page).	 	 	
	  		  		  		 		  		 		
	  		  		  	You are receiving this communication because you hold shares in the company named above.	
	  		  		  	 
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:	 	 	

 

 

      
 	 		 	 	 	NOTICE AND PROXY STATEMENT        ANNUAL REPORT        
How to View Online:
Have the information that is printed in the box marked by the arrow  (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  (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 3, 2018 to facilitate timely delivery.

									
	 		 	— How To Vote —
Please Choose One of the Following Voting Methods	 		  		

 

		 		 	

	 		 	 	 	Vote By Internet:
Before The Meeting:
Go to www.proxyvote.com . Have the information that is printed in the box marked by the arrow  (located on the following page) available and follow the instructions.
During The Meeting:
Go to www.virtualshareholdermeeting.com/SYNC2018 . Have the information that is printed in the box marked by the arrow  (located on the following page) 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                 	  		  		  		
	 	 
T he Board of Directors recommends you vote FOR each named nominee:	  		

	 	1.  Election of Class I Directors	  		  		
					
	 	        Nominees:	  		  		  		
				
	 	        01)    Himesh Bhise	  		  		
	 	        02)    Andrew Kau	  		  		
	 	        03)    Jordan Levy	  		  		
	 		  		
	 	The Board of Directors recommends you vote FOR proposals 2 and 3.	  		
			
	 	2.  To ratify the appointment by the Audit Committee of the Board of Directors of Deloitte & Touche LLP as the independent registered public accounting firm of the Company for its fiscal year ending December 31, 2018.
 
3.  To approve, on a non-binding, advisory basis, the compensation of our named executive officers.	  		
			
	 	The Board of Directors recommends you vote “1 Year” for proposal 4.
 
4.  To approve, on a non-binding, advisory basis, the frequency with which future stockholder advisory votes on the compensation of our named executive officers will be conducted.	  		
			
	 	NOTE: Such other business as may properly come before the meeting or any adjournment thereof.