Stockholders of record at the close of business on April 8, 2020 (the “Record Date”) who attend the virtual Annual Meeting and have not already authorized a proxy to vote by mail, telephone or internet, or who wish to withdraw their proxies and vote at the virtual Annual Meeting, will be able to vote at the virtual Annual Meeting using the online meeting website. Such stockholders will have the opportunity to submit questions electronically during the Annual Meeting.

Stockholders as of the Record Date who wish to participate in the virtual Annual Meeting must register in advance by visiting the online meeting website located at https://viewproxy.com/northstar/2020/ prior to 11:59 p.m. Eastern Time on Tuesday, June 16, 2020. Upon registration, such stockholders will receive an email with a unique link and instructions to join the virtual Annual Meeting. Stockholders are encouraged to access the virtual Annual Meeting prior to the start time to leave ample time for check in. Technical assistance will be available for stockholders encountering any difficulties registering or accessing the virtual Annual Meeting. The technical support contact information will appear on the online meeting website during registration and prior to the start of the Annual Meeting.

Beneficial stockholders holding shares in “street name” through a broker, bank or other nominee who wish to participate in the virtual Annual Meeting must register in advance by (1) obtaining from their broker, bank or other nominee that holds their shares a legal proxy reflecting the number of shares held as of the Record Date and the beneficial stockholder’s name and email address and (2) emailing a copy of their legal proxy to proxy@firstcoastresults.com with the subject “Legal Proxy” prior to 5:00 p.m. Eastern Time on June 16, 2020. Upon registration, such beneficial stockholders will receive an email with a unique link and instructions to join the virtual Annual Meeting.

If stockholders have any questions concerning the virtual Annual Meeting, would like additional copies of the proxy materials or need help voting, please contact NorthStar Healthcare’s proxy solicitor, D.F. King & Co., Inc., at 1-866-207-2239.

Your vote is important. Whether or not stockholders plan to participate in the virtual-only Annual Meeting, NorthStar Healthcare urges stockholders to authorize a proxy to vote in advance of the Annual Meeting by one of the methods described in the proxy materials.