1.Where is Codexis traded and what is the ticker symbol?
2.When was the company founded and where is it incorporated?
3.Where is Codexis located?
4.What does Codexis do?
5.How many employees does Codexis have?
6.How can I invest in Codexis?
7.When does Codexis fiscal year end?
8.When is Codexis’ next report of quarterly results?
9.How can I listen to Codexis quarterly investor conference calls?
10.Does Codexis pay a cash dividend?
11.Who is the Codexis transfer agent?
12.When is the company’s annual meeting?
13.How can I change my name or address on my stockholder account?
14.Whom do I contact for administrative matters regarding stock and stock certificates, including lost certificates?
15.Does Codexis have a direct stock purchase plan?
16.How do I obtain copies of annual and quarterly reports and SEC filings?
17.Can I be notified by email of news releases and other updates to the Codexis website?
18.How do I get more information?
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

4.What does Codexis do?
 Codexis is a leading provider of optimized biocatalysts that make existing industrial processes faster, cleaner and more efficient than current methods. Codexis technology has the potential to make new industrial processes possible at commercial scale.

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.

13.How can I change my name or address on my stockholder account?
 If you are a stockholder of record (i.e. you hold stock in your own name) you may contact our transfer agent. If your stock is held in street name, contact your brokerage firm.

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