EXHIBIT 10.42 March 6, 2000 Dr. Lawrence M. Souza, Ph.D. 417 Camino de Celeste Thousand Oaks, CA 91360 Re: Agreement Regarding Part-Time Special Assignment Position --------------------------------------------------------- Dear Larry: On behalf of...Agreement Regarding Part-Time Special Assignment Position • April 27th, 2000 • Amgen Inc • Biological products, (no disgnostic substances) • California
