Amendment to Consulting Agreement, by and between PulmonX International Srl and Orsco Life Sciences AG, dated March 1, 2014

Exhibit A to the Consulting Agreement (the “Agreement”) between Pulmonx International Sárl (“Company”) and Orsco Life Sciences AG (“Consultant”) effective as of October 1, 2013, is hereby amended and restated to read as follows:

1. In consideration of Consultant’s performance of the Services outlined in Section 1, above, Company will pay Consultant the annual rate of 148,000 Swiss Francs in arrears after the end of each calendar quarter, within 30 days following the receipt of invoices; provided that effective as of March 1, 2014, Company will pay Consultant the annual rate of 196,000 Swiss Francs in arrears after the end of each calendar quarter, within 30 days following the receipt of invoices.”

Those changes will be effected and become part of the Consulting Agreement on March 1, 2014. With the exception of the above modifications, all other provisions of the Consulting Agreement remain full in force and effect.