Atara Biotherapeutics, Inc. (Nasdaq: ATRA), a leader in T-cell immunotherapy, leveraging its novel allogeneic Epstein-Barr virus (EBV) T-cell platform to develop transformative therapies for patients with cancer and autoimmune diseases, today reported the grant of 93,950 restricted stock units of Atara’s common stock to three newly hired employees. These awards were approved by the Compensation Committee of Atara’s Board of Directors and granted under the Atara Biotherapeutics, Inc. 2018 Inducement Plan, with a grant date of April 3, 2023, as an inducement material to the new employees entering into employment with Atara, in accordance with Nasdaq Listing Rule 5635(c)(4).

The restricted stock units vest over four years, with 25 percent vesting on the first quarterly vesting date after the first anniversary of the vesting commencement date and the remainder vesting in 12 approximately equal quarterly installments over the following three years, subject to the employee being continuously employed by Atara as of such vesting dates.

Atara is providing this information in accordance with Nasdaq Listing Rule 5635(c)(4).

About Atara Biotherapeutics, Inc.

Atara Biotherapeutics, Inc. (@Atarabio) is a pioneer in T-cell immunotherapy leveraging its novel allogeneic EBV T-cell platform to develop transformative therapies for patients with serious diseases including solid tumors, hematologic cancers, and autoimmune disease. With our lead program receiving marketing authorization in Europe, Atara is the most advanced allogeneic T-cell immunotherapy company and intends to rapidly deliver off-the-shelf treatments to patients with high unmet medical need. Our platform leverages the unique biology of EBV T cells and has the capability to treat a wide range of EBV-associated diseases, or other serious diseases through incorporation of engineered CARs (chimeric antigen receptors) or TCRs (T-cell receptors). Atara is applying this one platform, which does not require TCR or HLA gene editing, to create a robust pipeline including: tab-cel for Epstein-Barr virus positive post-transplant lymphoproliferative disease (EBV+ PTLD) and other EBV-driven diseases; ATA188, a T-cell immunotherapy targeting EBV antigens as a potential treatment for multiple sclerosis; and multiple next-generation chimeric antigen receptor T-cell (CAR-T) immunotherapies for both solid tumors and hematologic malignancies. Improving patients’ lives is our mission and we will never stop working to bring transformative therapies to those in need. Atara is headquartered in Southern California. For additional information about the company, please visit atarabio.com and follow us on Twitter and LinkedIn.

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