Exhibit 21
Subsidiaries of Codexis, Inc.
As of July 31, 2008
| Name of Subsidiary |
State or Jurisdiction in Which | |
| Julich Chiral Solutions GmbH | Germany | |
| Codexis Laboratories Singapore Pte. Ltd. | Singapore | |
| Wasabi Acquisition LLC | Delaware | |
| BioCatalytics Europe GmbH(1) | Austria | |
| Codexis Laboratories Mauritius Private Limited | Mauritius | |
| Codexis Laboratories India Private Limited(2) | India | |
| Codexis Laboratories Hungary Kft. | Hungary | |
(1) 100% owned by Wasabi Acquisition LLC
(2) 99.99% owned by Codexis Mauritius, 0.01% owned by Codexis, Inc.