May 18, 1998 Arol I. Buntzman 325 Mile Square Road Yonkers, New York 10701 Dear Arol: This will supplement our agreement dated March 4, 1997 regarding the shares of Educational Video Conferencing, Inc. ("EVC") owned by me. You will not have the option...

                                                   May 18, 1998



Xxxx X. Xxxxxxxx
000 Xxxx Xxxxxx Xxxx
Xxxxxxx, Xxx Xxxx 00000



Dear Arol:

         This will supplement our agreement dated March 4, 1997 regarding the
shares of Educational Video Conferencing, Inc. ("EVC") owned by me. You will not
have the option to purchase such shares if I leave the employ of EVC on account
of my death, permanent disability or termination of employment by EVC without
cause.


                                               Sincerely yours,


                                               /s/ Xxxx X. XxXxxxx
                                               -------------------
                                               Xxxx X. XxXxxxx

AGREED:


/s/ Xxxx X. Xxxxxxxx
-----------------------------------
Xxxx X. Xxxxxxxx