0001193125-17-244363 Sample Contracts

AGREEMENT TO AMEND COMMON STOCK WARRANTS
Common Stock Warrant Amendment • August 1st, 2017 • Oragenics Inc • Pharmaceutical preparations • New York

THIS AGREEMENT TO AMEND COMMON STOCK WARRANTS (this “Agreement”) is made as of July 27, 2017 by and among Oragenics, Inc. (the “Company”), and MSD Credit Opportunity Master Fund, L.P., Harvest Intrexon Enterprise Fund I, L.P., and Harvest Intrexon Enterprise Fund I (AI), L.P. (each a “Holder” and collectively the “Holders”).

Form of Amended and Restated Common Stock Purchase Warrant
Common Stock Purchase Warrant • August 1st, 2017 • Oragenics Inc • Pharmaceutical preparations • New York

This Warrant is issued pursuant to that certain Securities Purchase Agreement dated May 10, 2017 by and among the Company and the other parties signatory thereto (the “Purchase Agreement”) and amends, restates and replaces the Common Stock Purchase Warrant issued on [ ], 2017.