UNITED STATES
SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549
 
SCHEDULE 14A
Proxy Statement Pursuant to Section 14(a) of the
Securities Exchange Act of 1934
(Amendment No.    )
 
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x	 	Definitive Additional Materials	
 	 	
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Sirius XM Holdings 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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 		 	Your Vote Counts!
 
SIRIUS XM HOLDINGS INC.
 
2021 Annual Meeting
Vote by June 02, 2021
11:59 PM ET	 	
 	1221 AVENUE OF THE AMERICAS, 35th Floor
NEW YORK, NY 10020	 		 	

 	 	 		 	

 
You invested in SIRIUS XM HOLDINGS INC. and it’s time to vote!
You have the right to vote on proposals being presented at the Annual Meeting. This is an important notice regarding the availability of proxy material for the shareholder meeting to be held on June 03, 2021.
 
Get informed before you vote
View the Notice & Proxy Statement/Annual Report online OR you can receive a free paper or email copy of the material(s) by requesting prior to May 20, 2021. If you would like to request a copy of the material(s) for this and/or future shareholder meetings, you may (1) visit www.ProxyVote.com, (2) call 1-800-579-1639 or (3) send an email to sendmaterial@proxyvote.com. If sending an email, please include your control number (indicated below) in the subject line. Unless requested, you will not otherwise receive a paper or email copy.
 
	For complete information and to vote, visit www.ProxyVote.com	
	Control #  	
 
Smartphone users
 
Point your camera here and
vote without entering a
control number
 	 	 		Vote Virtually at the Meeting*
June 03, 2021
8:30 AM EDT	
	 	 	The company will be hosting the meeting live via the Internet.
www.virtualshareholdermeeting.com/SIRI2021	

*	Please check the meeting materials for any special requirements for meeting attendance.	 	

	
Vote at www.ProxyVote.com

THIS IS NOT A VOTABLE BALLOT
 
This is an overview of the proposals being presented at the upcoming shareholder meeting. Please follow the instructions on the reverse side to vote these important matters.
 
Voting Items	 	 	Board
Recommends	
1.	Election of Directors	 	 	 	
 	Nominees:	 	 	 	
 	01    David A. Blau	06    Evan D. Malone	11    Carl E. Vogel	 	
 	02    Eddy W. Hartenstein	07    James E. Meyer	12    Jennifer C. Witz	  For	
 	03    Robin P. Hickenlooper	08    Jonelle Procope	13    David M. Zaslav	 	
 	04    James P. Holden	09    Michael Rapino	 	 	
 	05    Gregory B. Maffei	10    Kristina M. Salen	 	 	
2.	Ratification of the appointment of KPMG LLP as our independent registered public accountants for 2021.	  For	
NOTE: Such other business as may properly come before the meeting or any adjournment thereof. You may attend the meeting via the Internet and vote during the meeting. Have the information that is printed in the box marked with the arrow on your proxy card or Notice of Internet Availability of Proxy Materials available and follow the instructions.	

 	 	 	

 	 	 	

 	 	 	

 	 	 	

 	 	 	

 	 	 	

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