EXHIBIT 4.24
PROMISSORY NOTE
$200,000.00 Milpitas, California May 19, 2000
For value received, ADATOM.com, Inc., promises to pay Richard S. Barton the sum
of Two hundred thousand ($200,000.00) with no interest. Principal is due on
demand.
Should default be made in payment of principal when demanded the whole sum of
principal shall start bearing interest at the rate of 10% per annum, and shall
become immediately due. If action be instituted on this note, the maker promises
to pay such sum as a court may fix as attorney's fees.
Adatom.com, Inc.
By: /S/MICHAEL M. WHEELER
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Michael M. Wheeler
Controller
