1. Chemistry Research and Discovery, Amgen Inc., One Amgen Center Drive, Thousand Oaks, California 91320
2. Kalexsyn Inc. 4502 Campus Drive, Kalamazoo, Michigan 49008
3. Chemistry Research and Discovery, Amgen, Inc., One Kendall Square, Cambridge Massachusetts 02139
4. Oncology Research, Amgen Inc., One Amgen Center Drive, Thousand Oaks, California 91320
5. Protein Science, Amgen Inc., One Amgen Center Drive, Thousand Oaks, California 91320