Exhibit 10.38
To: Oragenics, Inc.
From: Jeffery D. Hillman
Date: March 21, 2003
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Gentleman:
Please be advised that I hereby agree not to demand or seek payment from the proceeds of the contemplated initial public offering of units amounts owing to me by Oragenics under Promissory Note dated February 22, 2001.
/s/ Jeffery D. Hillman