JOINT FILING AGREEMENT
Exhibit 99.1
THIS JOINT FILING AGREEMENT (this “Agreement”) is made and entered into as of this 17th day of February 2015, by and among Xxxxxx Xxxx Xxxx, Xxxxxx Slim Xxxxx, Xxxxx Xxxxxxx Slim Xxxxx, Xxxxxxx Slim Xxxxx, Xxxxx Soumaya Slim Domit, Xxxxxxx Xxxxx Slim Xxxxx, Xxxxxxx Xxxxxxx Slim Domit and Inmobiliaria Carso, S.A. de C.V.
The parties to this Agreement hereby agree to prepare jointly and file timely (and otherwise to deliver as appropriate) all filings on any Schedule 13D or 13G relating to their ownership (direct or otherwise) of any securities of Atara Biotherapeutics, Inc., a corporation organized under the laws of Delaware, and any and all amendments thereto and any other document relating thereto (collectively, the “Filings”) required to be filed by them pursuant to the Securities Exchange Act of 1934, as amended. Each party to this Agreement further agrees and covenants to the other parties that it will fully cooperate with such other parties in the preparation and timely filing (and other delivery) of all such Filings.
IN WITNESS WHEREOF, the parties hereto have executed this Agreement as of the date first set forth above.
Xxxxxx Xxxx Xxxx | |||
By: | /s/ Xxxx Xxxxxxxx Xxxxxx Xxxx | ||
Xxxxxx Slim Xxxxx | Xxxx Xxxxxxxx Xxxxxx Xxxx | ||
Attorney-in-Fact | |||
Marco Antonio Slim Domit | February 17, 2015 | ||
Xxxxxxx Slim Xxxxx | |||
Xxxxx Soumaya Slim Xxxxx | |||
Xxxxxxx Paola Slim Xxxxx | |||
Xxxxxxx Xxxxxxx Slim Domit | |||
INMOBILIARIA CARSO, S.A. DE C.V. | |||
By: Xxxx Xxxxxxxx Xxxxxx Xxxx | |||
Title: Attorney-in-Fact | |||