Foresite Capital Management II Form 3 Aimmune Therapeutics / James B. Tananbaum ownership change

                                                                    Exhibit 99.1

Pursuant to General Instruction number 5(b)(v) to Form 3, the following
additional reporting persons are covered by this joint filing:

Name:   Foresite Capital Fund II, L.P.
        James B. Tananbaum

        Address:   Foresite Capital
                   101 California Street
                   Suite 4100
                   San Francisco, CA  94111

Designated Filer:                 Foresite Capital Management II, LLC

Issuer and Ticker Symbol:         Aimmune Therapeutics, Inc. (AIMT)

Date of Event Requiring Statement:	August 5, 2015


Each of the following is a Joint Filer with Foresite Capital Management II, LLC
("FCM II") and may be deemed to share indirect beneficial ownership in the
securities set forth on the attached
Form 3:

FCM II is the general partner of Foresite Capital Fund II, L.P. ("FCF II").  As
such, FCM II possesses sole voting and investment control over the shares owned
by FCF II, and may be deemed to have indirect beneficial ownership of the
securities held by FCF II, however, owns no shares of the Issuer directly.  Mr.
Tananbaum is the managing member of FCM II and in his capacity as such, may be
deemed to exercise shared voting, investment and dispositive power over the
shares held by FCF II.  Each Reporting Person disclaims beneficial ownership of
the shares held by FCF II except to the extent of his or its proportionate
pecuniary interest therein.  The filing of this statement shall not be deemed an
admission that, for purposes of Section 16 of the Securities Exchange Act of
1934, or otherwise, any of the Reporting Persons are the beneficial owners of
all of the equity securities covered by this statement.

Each of the Reporting Persons listed above hereby designates FCM II as its
designated filer of Forms 3, 4 and 5 in accordance with Section 16(a) of the
Securities Exchange Act of 1934 and the rules thereunder.


FORESITE CAPITAL MANAGEMENT II, LLC

By:     /s/ Dennis D. Ryan
        --------------------------------
        Dennis D. Ryan
        Chief Financial Officer


FORESITE CAPITAL FUND II, L.P

By:     Foresite Capital Management II, LLC
        Its General Partner

By:     /s/ Dennis D. Ryan
        --------------------------------
        Dennis D. Ryan
        Chief Financial Officer


  /s/ James B. Tananbaum
----------------------------------------
James B. Tananbaum