Exhibit 10.98 STOCK PURCHASE AGREEMENT THIS STOCK PURCHASE AGREEMENT (the "Agreement") is made as of the 24th day of February, 1999 by and between IXSYS, INC., a Delaware corporation (the "Company"), and MedImmune, Inc. ("Purchaser"). W I T N E S S E...Stock Purchase Agreement • May 14th, 1999 • Medimmune Inc /De • Biological products, (no disgnostic substances) • California
Exhibit 10.97 SELECTION AGREEMENT This Selection Agreement (this "Agreement") is effective as of February 24, 1999 ("the EFFECTIVE DATE") by and between Ixsys, Inc., a Delaware corporation, having an address at 3520 Dunhill Road, San Diego, CA 92121...Selection Agreement • May 14th, 1999 • Medimmune Inc /De • Biological products, (no disgnostic substances) • California
Exhibit 10.95 RESEARCH AND ASSIGNMENT AND LICENSE AGREEMENT This Research and Assignment and License Agreement (this "Agreement") is effective as of February 24, 1999 ("the EFFECTIVE DATE") by and between Ixsys, Inc., a Delaware corporation, having an...Research and Assignment and License Agreement • May 14th, 1999 • Medimmune Inc /De • Biological products, (no disgnostic substances)
EXHIBIT 10.96 LICENSE AGREEMENT This License Agreement (this "Agreement") is effective as of February 24, 1999 ("the EFFECTIVE DATE") by and between Ixsys, Inc., a Delaware corporation, having an address at 3520 Dunhill Road, San Diego, CA 92121...License Agreement • May 14th, 1999 • Medimmune Inc /De • Biological products, (no disgnostic substances)
