Investor FAQ
| 1. | What is the ticker symbol for Seattle Genetics? |
| Shares of Seattle Genetics are traded on Nasdaq under the symbol SGEN. |
| 2. | When did Seattle Genetics go public? |
| We started trading publicly on March 7, 2001 at an initial offering price of $7.00 per share. |
| 3. | When was Seattle Genetics founded? |
| The company started operations in January 1998. |
| 4. | In what State was Seattle Genetics incorporated? |
| The company was incorporated in the State of Delaware. |
| 5. | Who is Seattle Genetics' transfer agent? |
| Our transfer agent is Computershare Shareowner Services LLC. They can be contacted at
Computershare Shareowner Services LLC P.O. Box 358015 Pittsburgh, PA 15252-8015 PHONE: 800-522-6645 https://www-us.computershare.com/investor |
| 6. | How do I change the address on my stockholder account? |
| If you own shares through a brokerage firm, you need to contact that firm directly to change your account address.
If you own shares in the form of a stock certificate, you may update your address by contacting our transfer agent, Computershare Shareowner Services LLC, at 800-522-6645 or via their website at Shareowner Services EquityAccess. |
| 7. | Does Seattle Genetics offer a Direct Stock Purchase Plan? |
| No, we do not currently have a program in place for the purchase of shares directly from the company. |
| 8. | How can I buy Seattle Genetics stock? |
| Shares of Seattle Genetics common stock can be purchased by contacting a securities broker. We are traded on Nasdaq under the symbol SGEN. |
| 9. | What is Seattle Genetics' fiscal year? |
| Our fiscal year is based on the calendar year, and runs January 1 through December 31. |
| 10. | What is the CUSIP number for Seattle Genetics? |
| Our common stock CUSIP number is 812578 102. |
| 11. | Who is outside legal counsel for Seattle Genetics? |
| Cooley Godward Kronish Seattle, WA |
| 12. | Who are the independent auditors for Seattle Genetics? |
| PricewaterhouseCoopers, LLP Seattle, WA |





