3,750,000 SHARES INTEGRA LIFESCIENCES HOLDINGS CORPORATION COMMON STOCK FORM OF UNDERWRITING AGREEMENT _____________________, 2001 U.S. BANCORP PIPER JAFFRAY INC. ABN AMRO ROTHSCHILD INCORPORATED CIBC World Markets CORP. ADAMS, HARKNESS & Hill, INC....Underwriting Agreement • August 3rd, 2001 • Integra Lifesciences Holdings Corp • Biological products, (no disgnostic substances) • New York
