
<PAGE>

DESCRIPTION OF ORAL AGREEMENT


         On or about April 18, 2000, Mr. John R. Wolf, our former President and
Chief Executive Officer, agreed to transfer to the Company, and the Company
agreed to accept, 243,067 shares of the Company's Common Stock as full payment
of the principal and all accrued interest of loans made to Mr. Wolf by the
Company. These loans include the following:

<TABLE>
<CAPTION>

                DATE OF LOAN                         AMOUNT OF LOAN
<S>                                                  <C>
                February 28, 1991                    $1,301,745
                September 4, 1998                    $  839,375
                July 21, 1999                        $   93,750
                November 12, 1999                    $   55,259
</TABLE>


         These loans total $2,290,129. With the exception of the loan in the
amount of $839,375, we received full recourse promissory notes from Mr. Wolf
memorializing these loans. The loans were used by Mr. Wolf to exercise options
to purchase our Common Stock.

