X0306 4 2019-09-18 0 0000921299 FIBROGEN INC FGEN 0001420987 Schoeneck James A C/O FIBROGEN, INC. 409 ILLINOIS ST. SAN FRANCISCO CA 94158 1 1 0 0 Interim CEO Common Stock 2019-09-18 4 A 0 57300 0.00 A 62000 D Common Stock 41700 I By Trust Stock Option (Right to Buy) 40.96 2019-09-18 4 A 0 97100 0.00 A 2029-09-18 Common Stock 97100 97100 D The vesting schedule for the stock option and RSU grants, which shall have a Vesting Base date of August 26, 2019, is as follows: 50% of the Awards shall vest on the earlier of February 26, 2020 or upon the hiring of a new CEO, and 50% shall vest on August 26, 2020, subject to continued service as Interim CEO, provided that if Mr. Schoeneck's Interim CEO service terminates between February 26, 2020 and August 26, 2020, the Awards vest pro-rata based on the number of months of Interim CEO service past February 26, 2020 (rounding up for partial months) as a fraction of the 6-month period at the time service terminates. /s/ Dorothy Pacini, Attorney-in-fact 2019-09-20