X0306 4 2021-09-16 0 0001127537 Pulmonx Corp LUNG 0001805624 French Glendon E. III C/O PULMONX CORPORATION 700 CHESAPEAKE DRIVE REDWOOD CITY CA 94063 1 1 0 0 President and CEO Common Stock 2021-09-16 4 S 0 25000 38.86 D 1155370 D Common Stock 2021-09-20 4 S 0 21871 37.31 D 1700 I See footnote Common Stock 2021-09-20 4 S 0 1700 38.01 D 0 I See footnote The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on December 14, 2020. The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $38.26 to $39.17, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range. The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the Glendon E. French III Children's Irrevocable Trust on December 15, 2020, as amended August 20, 2021. The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $36.81 to $37.77, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range. The shares are directly held by the Glendon E. French III Children's Irrevocable Trust dated 11-17-98 for which the Reporting Person is a trustee. The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $37.875 to $38.40, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range. /s/ Lauren Cristina, Attorney-in-Fact for Glendon E. French 2021-09-20