

| SEAGEN INC | 31/05/2023 AGM | |
|---|---|---|
| 1a | Elect David W. Gryska - Non-Executive Director | Oppose |
| 1b | Elect John A. Orwin - Non-Executive Director | Oppose |
| 1c | Elect Alpna H. Seth, Ph.D. - Non-Executive Director | For |
| 2 | Advisory Vote on Executive Compensation | Abstain |
| 3 | Approve the Frequency of Future Advisory Votes on Executive Compensation | 1 |
| 4 | Approval of the amendment and restatement of our Amended and Restated 2007 Equity Incentive Plan | Oppose |
| 5 | Appoint the Auditors: PwC | Oppose |