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For value received, the undersigned, GeoPetro Resources Company ("Payor"), hereby promises to pay on demand to Stuart J.
Doshi ("Holder") the principal sum of Thirty Thousand Dollars ($30,000.00) with interest from August 23, 2001 at a rate of eight
percent (8%) per annum, payable upon repayment of the loan.
August 23, 2001
GeoPetro Resources Company
J. Chris Steinhauser
Chief Financial Officer