Exhibit 1 The undersigned hereby agree, pursuant to Rule 13d-1(f)(1) to file a joint statement on Schedule 13D and amendments thereto pertaining to their beneficial ownership of shares of Common Stock of Enzon, Inc. This agreement may be terminated...Joint Filing Agreement • July 22nd, 1997 • Clearwater Fund Iv LLC • Biological products, (no disgnostic substances)
This agreement may be terminated for any reason by any party hereto immediately upon the personal delivery or facsimile transmission of notice to that effect to the other parties hereto.
EXHIBIT 4Warrant Purchase and Sale Agreement • July 22nd, 1997 • Clearwater Fund Iv LLC • Biological products, (no disgnostic substances) • New York
