| 3. | What is the stock symbol and cusip number for BioTime common stock? |
| The BioTime stock symbol is "BTX". The cusip number is 09066L-10-5. |
| 4. | I have misplaced my stock certificate, what can I do? |
| Please contact our transfer agent: American Stock Transfer & Trust Company at (800) 937-5449, write to them at Operations Center, 6201 15th Avenue, Brooklyn, NY 11219, or visit their website at www.amstock.com. |
| 5. | How do I get a copy of the company's current 10K or annual report? |
| You can download a copy of the Company's 10-K/Annual Report here. |
| 6. | On what exchange is BioTime traded and under what symbol? |
| BioTime common shares are quoted on the NYSE Amex under the ticker symbol BTX. |
| 7. | Can I purchase BTX shares directly from the Company? |
| We currently do not have a direct stock purchase program. Shares of BTX can be purchased by contacting a registered stockbroker. |
| 9. | Who are BioTime's independent auditors? |
| Rothstein, Kass & Company, P.C. 4 Becker Farm Road Roseland, NJ 07068 |
| 10. | Who is the Company's legal counsel? |
| Thompson, Welch, Soroko & Gilbert LLP 235 Pine Street San Francisco, CA 94104 |
| 11. | What is BioTime's S.I.C. Code? |
| BioTime is listed under SIC Code # 2836 - Biological Products, (No Diagnostic Substances). |












