| 1. | Where is Codexis traded and what is the ticker symbol? |
| The company is traded on the Nasdaq Global Market under the symbol CDXS. |
| 2. | When was the company founded and where is it incorporated? |
| Codexis, Inc. was incorporated in 2002 in Delaware. |
| 3. | Where is Codexis located? |
| Codexis, Inc. 200 Penobscot Dr. Redwood City, CA 94063 650-421-8100 www.codexis.com Company locations |
| 5. | How many employees does Codexis have? |
| At December 31, 2009, the company had approximately 300 employees worldwide. |
| 6. | How can I invest in Codexis? |
| You may buy stock in Codexis from a registered brokerage firm or stock purchase service provider. You cannot buy Codexis stock directly from the company. |
| 7. | When does Codexis fiscal year end? |
| The fiscal year ends December 31. |
| 8. | When is Codexis’ next report of quarterly results? |
| Visit the Events section of our website for information on upcoming calls. Information will be posted as available. |
| 9. | How can I listen to Codexis quarterly investor conference calls? |
| Visit the Events section of our website for information on upcoming calls. Information will be posted as available. |
| 10. | Does Codexis pay a cash dividend? |
| No. The company has never declared or paid a cash dividend and does not expect to do so in the foreseeable future. |
| 11. | Who is the Codexis transfer agent? |
| Wells Fargo Shareowner Services 161 North Concord Exchange South St. Paul, Minnesota 55075-1139 (800) 468-9716 www.wellsfargo.com/com/shareowner_services |
| 12. | When is the company’s annual meeting? |
| Stockholders will be notified of the date, time and location of the company’s annual meeting in 2011. |
| 14. | Whom do I contact for administrative matters regarding stock and stock certificates, including lost certificates? |
| If you are a stockholder of record, contact our transfer agent. |
| 15. | Does Codexis have a direct stock purchase plan? |
| No. If you wish to buy shares of the company’s stock, contact your brokerage firm. |
| 16. | How do I obtain copies of annual and quarterly reports and SEC filings? |
| These reports may be obtained on our website under the Investor section. SEC filings may also be obtained from the SEC website, www.sec.gov. |
| 17. | Can I be notified by email of news releases and other updates to the Codexis website? |
| Please sign up for email alerts in the Investor section of our website. |
| 18. | How do I get more information? |
| Investors may contact Codexis at: Email: ir@codexis.com Mail: Codexis, Inc. Investor Relations 200 Penobscot Dr. Redwood City, CA 94063 |






