Cell Source Inc Watch

from 10-K 1 page Description of Common Stock

from 10-Q 2 pages Very Truly Yours, Agreed and Accepted: By: Name: Title: Cell Source, Inc

from 8-K 1 page June 1, 2015 Reference Is Made to the Promissory Notes (The “Notes”), Dated November 14, 2014 and November 26, 2014, Issued to You by Cell Source, Inc. (The “Company”). Capitalized Terms Not Otherwise Defined Herein Shall Have the Meaning Ascribed to Them in the Notes. Pursuant to the Notes, the Company Was Obligated to Pay the Amounts Owed Under the Notes Six Months After the Date the Notes Were Issued. It Is Hereby Acknowledged and Agreed That Any Failure of the Company to Pay the Amounts Owed Under the Notes Shall Not Constitute an Event of Default or a Condition Entitling Its Holder to Default Interest or Liquidated Damages or Any Other Damages. It Is Further Acknowledged and Agreed That the Notes Shall Be Hereby Amended Such That the New Maturity Date Under the Notes Shall Be October 30, 2015