X0306 4 2019-05-15 0 0001426332 NGM BIOPHARMACEUTICALS INC NGM 0001544589 Hooper Suzanne Sawochka 333 OYSTER POINT BOULEVARD SOUTH SAN FRANCISCO CA 94080 1 0 0 0 Stock Option (Right to Buy) 13.35 2019-05-15 4 A 0 38000 0.00 A 2029-05-14 Common Stock 38000 38000 D Stock Option (Right to Buy) 13.35 2019-05-15 4 A 0 24000 0.00 A 2019-05-14 Common Stock 24000 24000 D Issued pursuant to the Amended and Restated 2018 Equity Incentive Plan. The stock option shall vest over a three-year period, with 1/3rd of the shares vesting on August 10, 2019, and the remainder vesting in eight (8) equal quarterly installments thereafter, such that the option shall be fully vested on August 10, 2021, subject to the Reporting Person's Continuous Service (as defined in the Amended and Restated 2018 Equity Incentive Plan) on each applicable vesting date. The stock option shall vest in four (4) approximately equal quarterly installments, such that the option shall be fully vested on the earlier of (i) the one-year anniversary of the date of grant and (ii) the day prior to the next Issuer's annual stockholder meeting held after the effective date of the initial public offering, subject to the Reporting Person's Continuous Service (as defined in the Amended and Restated 2018 Equity Incentive Plan) on each applicable vesting date. /s/ William J. Rieflin, Attorney-in-Fact 2019-05-17