X0306 4 2020-06-01 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 2020-06-01 4 S 0 6300 29.3068 D 309616 D Common Stock 2020-06-01 4 S 0 900 29.7423 D 308716 D This transaction was effected pursuant to a Rule 10b5-1 sales plan adopted by the Reporting Person on December 3, 2019. Represents the weighted average sale price of the shares sold from $28.66 to $29.64 per share. The Reporting Person will provide, upon request by the Commission staff, the Issuer, or a security holder of the Issuer, full information regarding the number of shares sold at each separate price within the ranges set forth in footnotes 2 and 3. Represents the weighted average sale price of the shares sold from $29.66 to $29.875 per share. Title: Secretary, Treasurer and Chief Financial Officer /s/ Tara Condon, Attorney-in-Fact 2020-06-02