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.
        Foresite Capital Management III, LLC
        Foresite Capital Fund III, L.P.
        James B. Tananbaum

        Address:   Foresite Capital
                   600 Montgomery Street Street
                   Suite 4500
                   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 18, 2016


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 sole voting, investment and dispositive power over the
shares held by FCF II.  Foresite Capital Management III, LLC ("FCM III") is the
general partner of Foresite Capital Fund III, L.P. ("FCF III").  As such, FCM
III possesses sole voting and investment control over the shares owned by FCF
III, and may be deemed to have indirect beneficial ownership of the securities
held by FCF III, however, owns no shares of the Issuer directly.  Mr. Tananbaum
is the managing member of FCM III and in his capacity as such, may be deemed to
exercise sole voting, investment and dispositive power over the shares held by
FCF III.  Each Reporting Person disclaims beneficial ownership of the shares
held by FCF II and FCF III 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


FORESITE CAPITAL MANAGEMENT III, LLC

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


FORESITE CAPITAL FUND III, L.P

By:     Foresite Capital Management III, LLC
        Its General Partner

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


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