Common use of Form of Exercise Notice Clause in Contracts

Form of Exercise Notice. (To be executed by the Holder to exercise the right to purchase shares of Common Stock under the foregoing Warrant) To: INTERNATIONAL ISOTOPES INC. The undersigned is the Holder of Warrant No. _______ (the “Warrant”) issued by International Isotopes Inc., a Texas corporation (the “Company”). Capitalized terms used herein and not otherwise defined have the respective meanings set forth in the Warrant.

Form of Exercise Notice. (To be executed by the Holder to exercise the right to purchase shares of Common Stock under the foregoing Warrant) To: INTERNATIONAL ISOTOPES INC. The undersigned is the Holder of Warrant No. _______ (the “Warrant”) issued by International Isotopes Inc., a Texas corporation corporation, (the “Company”). Capitalized terms used herein and not otherwise defined have the respective meanings set forth in the Warrant.