| Company | CELL-MATRIX, INC. |
|---|---|
| Address | 9201 CORPORATE BLVD SUITE 400, ROCKVILLE, 20850, MD |
| Title | Secretary |
| Company | AMGEN USA INC. |
|---|---|
| Address | ONE AMGEN CENTER DRIVE, THOUSAND OAKS, 91320, CA |
| Title | Secretary |
| Company | IMMUNEX CORPORATION |
|---|---|
| Address | ONE AMGEN CENTER DRIVE, THOUSAND OAKS, 91320, CA |
| Title | Secretary |