Principal Paying Agent, Conversion Agent, Conversion Calculation Agent and Registrar Agreement Sample Contracts

and ING BANK N.V. relating to EUR 360,000,000 4 % Senior Convertible Notes due 2005
Principal Paying Agent, Conversion Agent, Conversion Calculation Agent and Registrar Agreement • March 30th, 2001 • Versatel Telecom International N V • Telephone communications (no radiotelephone)