WITNESSETH:License Agreement • January 2nd, 1997 • Medarex Inc • Biological products, (no disgnostic substances) • Delaware
EXHIBIT 99.4 ESCROW AGREEMENT This Escrow Agreement, dated as of December 18, 1996 (the "Closing Date"), among MEDAREX, INC., a New Jersey corporation ("Medarex"), HOUSTON BIOTECHNOLOGY INCORPORATED, a Delaware corporation ("HBI"), and Satterlee...Escrow Agreement • January 2nd, 1997 • Medarex Inc • Biological products, (no disgnostic substances) • New York
EXHIBIT 99.1 ---------------- AGREEMENT AND PLAN OF MERGER AMONG MEDAREX, INC., MEDAREX ACQUISITION CORP. AND HOUSTON BIOTECHNOLOGY INCORPORATED DATED: DECEMBER 18, 1996 ----------------Exhibit 99 • January 2nd, 1997 • Medarex Inc • Biological products, (no disgnostic substances) • Delaware
