<PAGE>
Exhibit 99(b)
Schedule of Holders pursuant to Exhibit 4(m)-- Form of Prepaid Common Stock
Purchase Warrant, dated March ___, 2000 by and between Netplex and each of
the Holders.
Two warrants were executed pursuant to the "form of" warrant referenced above.
Information describing the material differences between the executed warrants is
provided below:
<TABLE>
<CAPTION>
Holder Dollar Amount of Common Stock Holder Date
------ ------------------------------------ ----
has a right to purchase
-----------------------
<S> <C> <C>
Zanett Lombardier, Ltd. $1,470,000 March 22, 2000
David McCarthy $ 30,000 March 22, 2000
</TABLE>