EXHIBIT 10.51

AMENDMENT NO. 1

TO

PROMISSORY NOTE

This Amendment No. 1 to Promissory Note (this “Amendment”), dated as of August 1, 2016 (the “Effective Date”), is entered into by and between SurePure, Inc., a Delaware corporation (the “Company”), and SBI Investments LLC, 2014-1, a statutory series of Delaware limited liability company (the “Holder”).

RECITALS

WHEREAS, the Company issued to the Holder that certain Promissory Note, dated February 11, 2016 (the “Note”);

WHEREAS, Section 4.3 of the Note provides that the Note and any provision therein may be amended by an instrument in writing signed by the Company and the Holder; and

WHEREAS, the Company and the Holder desire to amend the Note as provided herein.

NOW THEREFORE, in consideration of the mutual promises contained in this Amendment and for other good and valuable consideration, the receipt and sufficiency of which are hereby acknowledged, the Company and the Holder, intending to be legally bound, hereby agree as follows:

AGREEMENT

FOR VALUE RECEIVED, SUREPURE, INC., a Nevada corporation (hereinafter called the “Borrower”), as of February 11, 2016 (the “Issue Date”), hereby promises to pay to the order SBI INVESTMENTS LLC, 2014-1, a statutory series of Delaware limited liability corporation, or its registered assigns (the “Holder”) the sum of US$330,000.00, subject to any adjustments set forth in Section 1.9 herein, together with any interest as set forth herein, on or before October 11, 2016 (the “Maturity Date”). This Note may not be prepaid in whole or in part except as otherwise explicitly set forth herein. Any amount of principal which is not paid when due shall bear interest at the rate of twenty two percent (22%) per annum from the due date thereof until the same is paid (“Default Interest”). All payments due hereunder (to the extent not converted into common stock, $0.001 par value per share (the “Common Stock”) in accordance with the terms hereof) shall be made in lawful money of the United States of America. All payments shall be made at such address as the Holder shall hereafter give to the Borrower by written notice made in accordance with the provisions of this Note. Whenever any amount expressed to be due by the terms of this Note is due on any day which is not a business day, the same shall instead be due on the next succeeding day which is a business day. As used in this Note, the term “business day” shall mean any day other than a Saturday, Sunday or a day on which commercial banks in the city of New York, New York are authorized or required by law or executive order to remain closed.

(a) Calculation of Conversion Price. The conversion price (the “Conversion Price”) shall equal the Variable Conversion Price (as defined herein) (subject to equitable adjustments for stock splits, stock dividends or rights offerings by the Borrower relating to the Borrower’s securities or the securities of any subsidiary of the Borrower, combinations, recapitalization, reclassifications, extraordinary distributions and similar events). The “Variable Conversion Price” shall mean 55% multiplied by the Market Price (as defined herein) (representing a discount rate of 45%). “Market Price” means the average of the lowest three VWAPs (as defined below) for the Common Stock during the twenty (20) Trading Day period ending on the latest complete Trading Day prior to the Conversion Date. “VWAP” means, for any date, the price determined by the first of the following clauses that applies: (a) if the Common Stock is then listed or quoted on a Trading Market, the daily volume weighted average price of the Common Stock for such date (or the nearest preceding date) on the Trading Market on which the Common Stock is then listed or quoted for trading as reported by Bloomberg Financial L.P. (based on a Trading Day from 9:30 a.m. (New York City time) to 4:02 p.m. (New York City time); (b) if the OTC Bulletin Board is not a Trading Market, the volume weighted average price of the Common Stock for such date (or the nearest preceding date) on the OTC Bulletin Board; (c) if the Common Stock is not then quoted for trading on the OTC Bulletin Board and if prices for the Common Stock are then reported in the “Pink Sheets” published by Pink Sheets, LLC (or a similar organization or agency succeeding to its functions of reporting prices), the most recent bid price per share of the Common Stock so reported; or (d) in all other cases, the fair market value of a share of Common Stock as determined by an independent appraiser selected in good faith by the Holder and reasonably acceptable to the Company. “Trading Day” shall mean any day on which the Common Stock is tradable for any period on the OTC, or on the principal securities exchange or other securities market on which the Common Stock is then being traded. “Trading Market” means the Nasdaq Capital Market, the American Stock Exchange, the New York Stock Exchange, the Nasdaq National Market, or the OTC Markets.

1.1              1.9 Repayment of Principal Amount. The principal amount of this Note, initially US$330,000.00, may be prepaid at any time and shall be subject to the following upward adjustments, subject to the payment period upon which the date all amounts hereunder are paid in full by the Borrower occurs, as follows:

IN WITNESS WHEREOF, the Company and the Holder have made and executed this Amendment effective as of the Effective Date.