<PAGE>
Exhibit 99(d)
Schedule of Purchasers pursuant to Exhibit 4(o)-- Form of Prepaid Warrant
issued to Purchasers in April 1998 Private Placement.
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>
Purchaser Dollar Amount of Common Stock Holder Date
--------- ------------------------------------ ----
has a right to purchase
-----------------------
<S> <C> <C>
Zanett Lombardier, Ltd. $1,470,000 April 2, 1998
David McCarthy $ 30,000 April 2, 1998
</TABLE>
