X0306 4 2020-11-16 0 0001743881 BridgeBio Pharma, Inc. BBIO 0001780030 STEPHENSON BRIAN C C/O BRIDGEBIO PHARMA, INC. 421 KIPLING STREET PALO ALTO CA 94301 0 1 0 0 See Remarks Common Stock 2020-11-16 4 M 0 1710 A 290677 D Common Stock 2020-11-16 4 F 0 592 44.33 D 290085 D Restricted Stock Units 2020-11-16 4 M 0 1710 0.00 D Common Stock 1710 23937 D Each Restricted Stock Unit ("RSU") represents a contingent right to receive one share of the Issuer's Common Stock. Represents number of shares of the Issuer's Common Stock withheld to satisfy the Reporting Person's tax obligation in connection with the vesting of 1,710 shares of Common Stock underlying the Reporting Person's RSUs. The RSUs vest over approximately four years with a vesting commencement date of May 16, 2020 and have no expiration date. 6.25% of the RSUs vested on August 16, 2020 and November 16, 2020 and an additional 6.25% will vest in quarterly installments on the 16th day of each February, May, August and November thereafter, subject to the Reporting Person's continued service with the Issuer or any of its subsidiaries through each vesting date. Secretary, Treasurer and Chief Financial Officer /s/ Tara Condon, Attorney-in-Fact 2020-11-18