0000950172-01-501334 Sample Contracts

BY AND AMONG AMGEN INC.,
Merger Agreement • December 17th, 2001 • Immunex Corp /De/ • Biological products, (no disgnostic substances) • Delaware
ARTICLE II VOTING AGREEMENT AND IRREVOCABLE PROXY
Shareholder Voting Agreement • December 17th, 2001 • Immunex Corp /De/ • Biological products, (no disgnostic substances) • Delaware