1 EXHIBIT 4.3 REGISTRATION RIGHTS AGREEMENT Dated as of October 17, 1997 relating to up to $86,250,000 in Aggregate Principal Amount of 7% Convertible Subordinated Debentures due 2004Registration Rights Agreement • November 25th, 1997 • Fuisz Technologies LTD • Pharmaceutical preparations • New York
and THE BANK OF NEW YORK, as Trustee INDENTUREIndenture • November 25th, 1997 • Fuisz Technologies LTD • Pharmaceutical preparations • New York
