X0206 3 2018-12-31 0 0001631650 Aimmune Therapeutics, Inc. AIMT 0001644164 Nestle Health Science US Holdings, Inc. 1812 NORTH MOORE STREET ARLINGTON VA 22209 0 0 1 0 0001803539 Societe des Produits Nestle S.A. AVENUE NESTLE 55 CH-1800, VEVEY V8 SWITZERLAND 0 0 1 0 0000792990 NESTLE SA AVENUE NESTLE 55 CH-1800, VEVEY V8 SWITZERLAND 0 0 1 0 0001643723 NIMCO US, Inc. 1812 NORTH MOORE STREET ARLINGTON VA 22209 0 0 1 0 0001803604 Nestle US Holdco, Inc. 1812 NORTH MOORE STREET ARLINGTON VA 22209 0 0 1 0 Common Stock 11727113 I See Footnote This Form 3 is being filed to reflect the additions of Nestle US Holdco, Inc. ("Nestle US Holdco") and Societe des Produits Nestle S.A. ("SPN") as Reporting Owners as a result of a corporate reorganization completed December 31, 2018. Held by Nestle Health Science US Holdings, Inc. ("NHS"). Following the corporate reorganization, NHS is a wholly owned subsidiary of NIMCO US, Inc. ("NIMCO"). NIMCO, in turn, is a wholly-owned subsidiary of Nestle US Holdco, which is a wholly-owned subsidiary of SPN. The ultimate parent company of NHS, NIMCO, Nestle US Holdco and SPN is Nestle S.A. ("Nestle"). Following the corporate reorganization, each of these entities may be deemed to share voting and investment power with respect to all shares of Common Stock held by NHS. Each of NIMCO, Nestle US Holdco, SPN and Nestle disclaims beneficial ownership of such shares of Common Stock except to the extent of its pecuniary interest therein. NESTLE HEALTH SCIENCE US HOLDINGS, INC. By: Name: James Pepin, Title: Director and President 2020-04-24 NIMCO US, INC. By: Name: Dan Nugent, Title: Chief Legal Officer and General Counsel 2020-04-24 NESTLE US HOLDCO, INC. By: Name: Michael Prewitt, Title: Secretary 2020-04-24 SOCIETE DES PRODUITS NESTLE S.A. By: Name: Claudio Kuoni, Title: Vice President 2020-04-24 NESTLE S.A. By: Name: Gregory Behar, Title: Deputy Executive Vice President 2020-04-24