Filed by the Registrant  | x  | Filed by a Party other than the Registrant  | o  | |
Check the appropriate box:  | ||||
o  | Preliminary Proxy Statement  | |||
o  | Confidential, for Use of the Commission Only (as permitted by Rule 14a-6(e)(2))  | |||
o  | Definitive Proxy Statement  | |||
x  | Definitive Additional Materials  | |||
o  | Soliciting Material under §240.14a-12  | |||
Payment of Filing Fee (Check all boxes that apply):  | |
x  | No fee required.  | 
o  | Fee paid previously with preliminary materials.  | 
o  | Fee computed on table in exhibit required by Item 25(b) per Exchange Act Rules 14a-6(i)(1) and 0-11.  | 


 2025 Stockholders Meeting Notice  | 

![]()  | Easy Online Access — View your proxy materials and vote.  | 
Step 1:   Go to www.investorvote.com/HST. Step 2:   Click on the icon on the right to view meeting materials. Step 3:    Return to the investorvote.com window and follow the instructions on the screen to log in.         Step 4:   Make your selections as instructed on each screen for your delivery preferences. Step 5:    Vote your shares.  | |
When you go online, you can also help the environment by consenting to receive electronic delivery of future materials.  | |
![]()  | Obtaining a Copy of the Proxy Materials – If you want to receive a copy of the proxy materials, you must  request one. There is no charge to you for requesting a copy. Please make your request as instructed on the  reverse side on or before April 28, 2025 to facilitate timely delivery.  | 
 2025 Annual Stockholders Meeting Notice  | 
01 - Mary L. Baglivo  | 
02 - Herman E. Bulls  | 
03 - Diana M. Laing  | 
04 - Richard E. Marriott  | 
05 - Mary Hogan Preusse  | 
06 - Walter C. Rakowich  | 
07 - James F. Risoleo  | 
08 - Gordon H. Smith  | 
09 - A. William Stein  | 
![]()  | Here’s how to order a copy of the proxy materials and select delivery preferences: Current and future delivery requests can be submitted using the options below. If you request an email copy, you will receive an email with a link to the current meeting materials. PLEASE NOTE: You must use the number in the shaded bar on the reverse side when requesting a copy of the proxy materials. Internet – Go to www.investorvote.com/HST. Phone – Call us free of charge at 1-866-641-4276. Email – Send an email to investorvote@computershare.com with “Proxy Materials Host Hotels & Resorts, Inc.” in the subject line.  Include your full name and address, plus the number located in the shaded bar on the reverse side, and state that you want a paper  copy of the meeting materials. To facilitate timely delivery, requests for a paper copy of proxy materials must be received by April 28, 2025.  |