NOTICE OF CHANGE OF LOCATION
OF ANNUAL MEETING OF STOCKHOLDERS
TO BE HELD ON JUNE 16, 2020
Atara Biotherapeutics Announces its 2020 Annual Meeting of Stockholders Will Be Held on June 16, 2020 in Virtual Format
SOUTH SAN FRANCISCO, Calif., June 5, 2020 — Atara Biotherapeutics, Inc. (Nasdaq: ATRA) today announced that, due to public health and safety concerns related to the coronavirus(“COVID-19”) pandemic, recommendations and orders from federal, state and local authorities, and to support the health and well-being of its stockholders, employees, and others, it will host its 2020 Annual Meeting of Stockholders (“Annual Meeting”) as a virtual-only meeting that will be held via live audio webcast. The virtual Annual Meeting is expected to provide stockholders with the same rights and opportunities to participate as they would have at anin-person meeting.
The previously announced date and time of the Annual Meeting, Tuesday, June 16, 2020 at 9:00 a.m. Pacific Time, as disclosed in the previously distributed Notice of the Annual Meeting and Definitive Proxy Statement (the “Notice and Proxy Statement”), has not changed. Online access to the Annual Meeting will begin at 8:45 a.m. Pacific Time. Stockholders will not be able to attend the Annual Meeting in person.
Attending the Virtual Meeting as a Stockholder of Record
Atara’s stockholders of record as of April 17, 2020 (the “Record Date”) can attend the Annual Meeting by accessing the meeting center at www.virtualshareholdermeeting.com/ATRA2020 and entering the16-digit control number on the proxy card or Notice of Internet Availability of Proxy Materials previously received. The webcast of the Annual Meeting will be archived for one year after the date of the Annual Meeting at www.virtualshareholdermeeting.com/ATRA2020. Instructions on how to connect to the Annual Meeting and participate via the Internet, including how to demonstrate proof of stock ownership, are also available at the meeting website.
If you do not have your16-digit control number, you will be able to access and listen to the Annual Meeting, but you will not be able to vote your shares or submit questions during the Annual Meeting. See caption below titled “Attending the Annual Meeting as a Guest.”
Attending the Virtual Meeting as a Beneficial Owner
Beneficial stockholders as of the Record Date (i.e. shares held in “street name” through an intermediary, such as a bank or broker), who want to attend the Annual Meeting can attend using the16-digit control number found on the notice and instructions received from their broker or other nominee.
Asking Questions
If you are attending the Annual Meeting as a stockholder of record or beneficial owner, questions can be submitted by accessing the meeting center at www.virtualshareholdermeeting.com/ATRA2020 and entering your16-digit control number. Instructions on how to participate in the Annual Meeting are available on the meeting website.
Voting Shares
Stockholders of record and beneficial owners will be able to vote their shares electronically during the Annual Meeting by entering the Annual Meeting using the16-digit control number. Instructions on how to vote while participating in the Annual Meeting live via the Internet are posted at www.virtualshareholdermeeting.com/ATRA2020.
Atara encourages stockholders to vote and submit their proxy in advance of the Annual Meeting by one of the methods described in the proxy materials for the Annual Meeting.
The proxy materials, including the proxy card and Notice of Internet Availability of Proxy Materials, previously distributed along with the Notice and Proxy Statement, will not be updated to reflect the change in location and may continue to be used to vote shares in connection with the Annual Meeting.
Attending the Annual Meeting as a Guest
Guests may enter the Annual Meeting in “listen-only” mode by entering the Annual Meeting at www.virtualshareholdermeeting.com/ATRA2020 and entering the information requested in the “Guest Login” section. Guests will not have the ability to vote or ask questions during the Annual Meeting.
List of Stockholders
A list of the stockholders of record will be available at the 2020 Annual Meeting. For ten calendar days prior to the Annual Meeting, you may email Atara at ehyllengren@atarabio.com to coordinate arrangements to view a list of our stockholders of record. The stockholder list will also be available during the Annual Meeting at www.virtualshareholdermeeting.com/ATRA2020. Instructions on how stockholders of record can view the stockholder list during the Annual Meeting are available on the meeting website.
