Company: ATRA
Filing Date: 2025-04-28
Form Type: DEF 14A
Source: 0000950170-25-059322
Chunk: 74

Company: Atara Biotherapeutics, Inc.
Filing Date: 2025-04-28
Form: DEF 14A
Chunk 74
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OTHER M ATTERS The Board knows of no other matters that will be presented for consideration at the Annual Meeting. If any other matters are properly brought before the Annual Meeting, it is the intention of the persons named in the accompanying proxy to vote on such matters in accordance with their best judgment.

| By Order of the Board of Directors    |
| /s/ AnhCo Nguyen, Ph.D.               |
| AnhCo Nguyen, Ph.D.                   |
| President and Chief Executive Officer |

April 28, 2025 A copy of our Annual Report on Form 10-K for the fiscal year ended December 31, 2024 is available without charge upon written request to: Secretary, Atara Biotherapeutics, Inc., 1280 Rancho Conejo Boulevard, Thousand Oaks, CA 91320.

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APPENDIX A

PROXY CARD</div>

Signature [PLEASE SIGN WITHIN BOX] Date Signature (Joint Owners) Date TO VOTE, MARK BLOCKS BELOW IN BLUE OR BLACK INK AS FOLLOWS: KEEP THIS PORTION FOR YOUR RECORDS DETACH AND RETURN THIS PORTION ONLY THIS PROXY CARD IS VALID ONLY WHEN SIGNED AND DATED. V68530-P31357 For Against Abstain For Against Abstain The Board of Directors recommends you vote FOR Proposals 2 and 4 and 1 YEAR on Proposal 3: Nominees: 2. To approve, on an advisory basis, the compensation of the Company's named executive officers, as disclosed in the Proxy Statement. 3. To approve, on an advisory basis, the frequency of future advisory votes on the compensation of the Company's named executive officers. 4. To ratify the selection of Deloitte & Touche LLP as the Company's independent registered public accounting firm for the fiscal year ending December 31, 2025. 1. Election of Directors ATARA BIOTHERAPEUTICS, INC. The Board of Directors recommends you vote FOR the following: For Withhold NOTE: Such other matters that may properly come before the meeting or any adjournment or postponement thereof will be voted on by the proxy holders in their discretion. Please sign exactly as your name(s) appear(s) hereon. When signing as attorney, executor, administrator, or other fiduciary, please give full title as such. Joint