| 2. | When was the Company founded? |
| Quidel Corporation was founded in 1979. |
| 3. | Where is the Company headquarters? |
| The Company’s corporate office is located at 10165 McKellar Court, San Diego, California 92121, USA. |
| 6. | How many people does Quidel employ? |
| As of December 31, 2005, approximately 255 employees worldwide. |
| 7. | Who are Quidel’s executive officers and directors? |
| This information can be found in the “Corporate Governance” section of our website. |
| 8. | Who is the Independent Auditors for Quidel? |
| Ernst & Young LLP 4370 La Jolla Village Drive, Suite 500 San Diego, CA 92101 |
| 9. | Who are Quidel’s Stock Transfer Agent and Registrar? |
| American Stock Transfer & Trust Company 59 Maiden Lane Plaza Level New York, NY 10038 (800) 937-5449 |
| 10. | How can I receive information about Quidel? |
| Go to the “Information Request” page of our website and complete the form provided to request the information you would like to receive. |