Common Stock Purchase Warrant Delmar Pharmaceuticals, Inc. (September 21st, 2017)

THIS COMMON STOCK PURCHASE WARRANT (the "Warrant") certifies that, for value received, _____________ or its assigns (the "Holder") is entitled, upon the terms and subject to the limitations on exercise and the conditions hereinafter set forth, at any time on or after the date hereof (the "Initial Exercise Date") and on or prior to 5:00 p.m. (New York City time) on ___1 (the "Termination Date") but not thereafter, to subscribe for and purchase from DelMar Pharmaceuticals, Inc., a Nevada corporation (the "Company"), up to ______ shares (as subject to adjustment hereunder, the "Warrant Shares") of Common Stock. The purchase price of one share of Common Stock under this Warrant shall be equal to the Exercise Price, as defined in Section 2(b).

Greater Cannabis Company, Inc. – Common Stock Purchase Warrant the Greater Cannabis Company, Inc. (September 19th, 2017)

THIS COMMON STOCK PURCHASE WARRANT (the "Warrant") certifies that, for value received, EMET CAPITAL PARTNERS LLC, 395 Pearsall Avenue, Unit D, Cedarhurst, NY 11516 Fax: (727) 547-7350, or its assigns (the "Holder") is entitled, upon the terms and subject to the limitations on exercise and the conditions hereinafter set forth, at any time on or after the date hereof (the "Initial Exercise Date") and on or prior to the close of business on the sixty month anniversary of the Initial Exercise Date (the "Termination Date") but not thereafter, to subscribe for and purchase from THE GREATER CANNABIS COMPANY, INC., a Florida corporation (the "Company"), up to 110,000 shares (as subject to adjustment hereunder, the "Warrant Shares") of Common Stock. The purchase price of one share of Common Stock under this Warrant shall be equal to the Exercise Price, as defined in Section 2(b).

Aethlon Medical – COMMON STOCK PURCHASE WARRANT Aethlon Medical, Inc. (September 18th, 2017)

THIS COMMON STOCK PURCHASE WARRANT (the "Warrant") certifies that, for value received, _____________ or its assigns (the "Holder") is entitled, upon the terms and subject to the limitations on exercise and the conditions hereinafter set forth, at any time on or after the date hereof (the "Initial Exercise Date") and on or prior to 5:00 p.m. (New York City time) on ______________[1] (the "Termination Date") but not thereafter, to subscribe for and purchase from Aethlon Medical, Inc., a Nevada corporation (the "Company"), up to ______ shares (as subject to adjustment hereunder, the "Warrant Shares") of Common Stock. The purchase price of one share of Common Stock under this Warrant shall be equal to the Exercise Price, as defined in Section 2(b).

Aethlon Medical – PRE-FUNDED COMMON STOCK PURCHASE WARRANT Aethlon Medical, Inc. (September 18th, 2017)

THIS PRE-FUNDED COMMON STOCK PURCHASE WARRANT (the "Warrant") certifies that, for value received, _____________ or its assigns (the "Holder") is entitled, upon the terms and subject to the limitations on exercise and the conditions hereinafter set forth, at any time on or after the date hereof (the "Initial Exercise Date") until this Warrant is exercised in full (the "Termination Date") but not thereafter, to subscribe for and purchase from Aethlon Medical, Inc., a Nevada corporation (the "Company"), up to ______ shares (as subject to adjustment hereunder, the "Warrant Shares") of Common Stock. The purchase price of one share of Common Stock under this Warrant shall be equal to the Exercise Price, as defined in Section 2(b).

Great Plains Holdings, Inc. – COMMON STOCK PURCHASE WARRANT to Purchase ________Shares of Common Stock Of (September 18th, 2017)

THIS COMMON STOCK PURCHASE WARRANT (the "Warrant") CERTIFIES that, for value received, _________ (the "Holder"), is entitled, upon the terms and subject to the limitations on exercise and the conditions hereinafter set forth, at any time on or after the date of this Warrant and on or prior to the fifth anniversary of the date of this Warrant (the "Termination Date") but not thereafter, to subscribe for and purchase from Jerrick Media Holdings, Inc., a Nevada corporation (the "Company"), up to __________shares (the "Warrant Shares") of the Common Stock, par value $0.001 per share, of the Company (the "Common Stock"). The purchase price of one share of Common Stock (the "Exercise Price") under this Warrant shall be US $0.20 (twenty cents US). The Exercise Price and the number of Warrant Shares for which the Warrant is exercisable shall be subject to adjustment as provided herein. Capitalized terms used and not otherwise defined herein shall have the meanings set forth in that certain Sec

Petrone Worldwide, Inc. – Common Stock Purchase Warrant Petrone Worldwide, Inc. (September 15th, 2017)

This COMMON STOCK PURCHASE WARRANT (the "Warrant") certifies that, for value received (in connection with the funding of the third tranche of $25,000.00 under the $400,000.00 convertible promissory note issued to the Holder (as defined below) on November 7, 2016) (the "Note"), Crown Bridge Partners, LLC (including any permitted and registered assigns, the "Holder"), is entitled, upon the terms and subject to the limitations on exercise and the conditions hereinafter set forth, at any time on or after the date of issuance hereof, to purchase from Petrone Worldwide, Inc.., a Nevada corporation (the "Company"), 2,500,000 shares of Common Stock (as defined below) (the "Warrant Shares") at the Exercise Price per share then in effect (whereby such number may be adjusted from time to time pursuant to the terms and conditions of this Warrant).

Aethlon Medical – PRE-FUNDED COMMON STOCK PURCHASE WARRANT Aethlon Medical, Inc. (September 15th, 2017)

THIS PRE-FUNDED COMMON STOCK PURCHASE WARRANT (the "Warrant") certifies that, for value received, _____________ or its assigns (the "Holder") is entitled, upon the terms and subject to the limitations on exercise and the conditions hereinafter set forth, at any time on or after the date hereof (the "Initial Exercise Date") until this Warrant is exercised in full (the "Termination Date") but not thereafter, to subscribe for and purchase from Aethlon Medical, Inc., a Nevada corporation (the "Company"), up to ______ shares (as subject to adjustment hereunder, the "Warrant Shares") of Common Stock. The purchase price of one share of Common Stock under this Warrant shall be equal to the Exercise Price, as defined in Section 2(b).

Legacy Ventures International Inc. – Common Stock Purchase Warrant (September 15th, 2017)

FOR VALUE RECEIVED, Legacy Ventures International, Inc., a Nevada corporation (the "Company"), hereby certifies that ______________________________, or its registered assigns (the "Warrant Holder"), is entitled, subject to the terms set forth below, to purchase from the Company ________________________________ (__________) shares (the "Warrant Shares") of common stock (the "Common Stock"), of the Company at the exercise price set forth in Section 6 (the "Exercise Price"), at any time and from time to time beginning twelve (12) months after the date hereof and through and including 5:00 p.m. Los Angeles time on the Expiration Date.

Aethlon Medical – COMMON STOCK PURCHASE WARRANT Aethlon Medical, Inc. (September 15th, 2017)

THIS COMMON STOCK PURCHASE WARRANT (the "Warrant") certifies that, for value received, _____________ or its assigns (the "Holder") is entitled, upon the terms and subject to the limitations on exercise and the conditions hereinafter set forth, at any time on or after the date hereof (the "Initial Exercise Date") and on or prior to 5:00 p.m. (New York City time) on ______________[1] (the "Termination Date") but not thereafter, to subscribe for and purchase from Aethlon Medical, Inc., a Nevada corporation (the "Company"), up to ______ shares (as subject to adjustment hereunder, the "Warrant Shares") of Common Stock. The purchase price of one share of Common Stock under this Warrant shall be equal to the Exercise Price, as defined in Section 2(b).

Common Stock Purchase Warrant Invitae Corporation (September 13th, 2017)

THIS COMMON STOCK PURCHASE WARRANT (the Warrant) certifies that, for value received, or its assigns (the Holder) is entitled, upon the terms and subject to the limitations on exercise and the conditions hereinafter set forth, at any time on or after the date hereof (the Initial Exercise Date) and on or prior to the close of business on March 24, 2021 (the Termination Date) but not thereafter, to subscribe for and purchase from Invitae Corporation, a Delaware corporation (the Company), up to the above referenced number of shares (as subject to adjustment and certain limitations hereunder, the Warrant Shares) of Common Stock (as defined below). The purchase price of one share of Common Stock under this Warrant shall be equal to the Exercise Price, as defined in Section 2(b).

COMARCO, Inc. – Common Stock Purchase Warrant (September 13th, 2017)

COMARCO, Inc., a corporation incorporated under the laws of the State of California (together with any corporation which shall succeed or assume its obligations, the "Company"), hereby certifies that, for value received, [*], with an address at [*], or its successors, representatives and permitted assigns (collectively, "Holder"), is entitled, subject to the terms set forth below, to purchase from the Company at any time after the Issue Date until 5:00 p.m. Eastern Time on [*], 20[*] 1 (the "Expiration Date"), up to [*] fully paid and nonassessable shares (the "Shares") of Common Stock (as defined herein) of the Company at a per share exercise price of Five Cents (US$0.05). The afore described exercise price per share, as adjusted from time to time as herein provided, is referred to herein as the "Exercise Price." The number and character of Shares of Common Stock and the Exercise Price are subject to adjustment as provided herein. The Company may reduce the Exercise Price of this Warr

Common Stock Purchase Warrant Invitae Corporation (September 13th, 2017)

THIS COMMON STOCK PURCHASE WARRANT (the Warrant) certifies that, for value received, or its assigns (the Holder) is entitled, upon the terms and subject to the limitations on exercise and the conditions hereinafter set forth, at any time on or after the date hereof (the Initial Exercise Date) and on or prior to the close of business on March 24, 2021 (the Termination Date) but not thereafter, to subscribe for and purchase from Invitae Corporation, a Delaware corporation (the Company), up to the above referenced number of shares (as subject to adjustment and certain limitations hereunder, the Warrant Shares) of Common Stock (as defined below). The purchase price of one share of Common Stock under this Warrant shall be equal to the Exercise Price, as defined in Section 2(b).

Common Stock Purchase Warrant Invitae Corporation (September 13th, 2017)

THIS COMMON STOCK PURCHASE WARRANT (the Warrant) certifies that, for value received, or its assigns (the Holder) is entitled, upon the terms and subject to the limitations on exercise and the conditions hereinafter set forth, at any time on or after the date hereof (the Initial Exercise Date) and on or prior to the close of business on December 19, 2018 (the Termination Date) but not thereafter, to subscribe for and purchase from Invitae Corporation, a Delaware corporation (the Company), up to the above referenced number of shares (as subject to adjustment and certain limitations hereunder, the Warrant Shares) of Common Stock (as defined below). The purchase price of one share of Common Stock under this Warrant shall be equal to the Exercise Price, as defined in Section 2(b).

Common Stock Purchase Warrant Invitae Corporation (September 13th, 2017)

THIS COMMON STOCK PURCHASE WARRANT (the Warrant) certifies that, for value received, or its assigns (the Holder) is entitled, upon the terms and subject to the limitations on exercise and the conditions hereinafter set forth, at any time on or after the date hereof (the Initial Exercise Date) and on or prior to the close of business on December 19, 2018 (the Termination Date) but not thereafter, to subscribe for and purchase from Invitae Corporation, a Delaware corporation (the Company), up to the above referenced number of shares (as subject to adjustment and certain limitations hereunder, the Warrant Shares) of Common Stock (as defined below). The purchase price of one share of Common Stock under this Warrant shall be equal to the Exercise Price, as defined in Section 2(b).

Cytodyn Inc – Common Stock Purchase Warrant Cytodyn Inc. (September 8th, 2017)

THIS COMMON STOCK PURCHASE WARRANT (the Warrant) certifies that, for value received, [ ] or its assigns (the Holder) is entitled, upon the terms and subject to the limitations on exercise and the conditions hereinafter set forth, at any time on or after [ ] (the Initial Exercise Date) and on or prior to the close of business on the five year anniversary of the Initial Exercise Date (the Termination Date) but not thereafter, to subscribe for and purchase from CytoDyn Inc., a Delaware corporation (the Company), up to [ ] shares (as subject to adjustment hereunder, the Warrant Shares) of common stock, par value $0.001 per share (the Common Stock) of the Company. The purchase price of one share of Common Stock under this Warrant shall be equal to the Exercise Price, as defined in Section 2(b).

Adial Pharmaceuticals, L.L.C. – Common Stock Purchase Warrant Adial Pharmaceuticals, Llc (September 7th, 2017)

This COMMON STOCK PURCHASE WARRANT (the "Warrant") certifies that, for value received (in connection with the issuance of the $287,500.00 senior secured promissory note to the Holder (as defined below) of even date) (the "Note"), FirstFire Global Opportunities Fund, LLC, a Delaware limited liability company (including any permitted and registered assigns, the "Holder"), is entitled, upon the terms and subject to the limitations on exercise and the conditions hereinafter set forth, at any time on or after the date of issuance hereof, to purchase from ADial Pharmaceuticals, LLC, a Virginia limited liability company (the "Company"), _______________ shares of Common Stock (as defined below) (the "Warrant Shares") (whereby such number may be adjusted from time to time pursuant to the terms and conditions of this Warrant) at the exercise price per share of ____________ (the "Exercise Price"). This Warrant is issued by the Company as of the date hereof in connection with that certain securiti

Digital Power Corporation – COMMON STOCK PURCHASE WARRANT DIGITAL POWER COrporation (September 7th, 2017)

THIS COMMON STOCK PURCHASE WARRANT (the "Warrant") certifies that Digital Power Corporation, or its assigns (the "Holder") is entitled, upon the terms and subject to the limitations on exercise and the conditions hereinafter set forth, at any time commencing on the six month after the Issue Date and ending on or prior to 5:00 P.M. on August 21, 2022 (the "Termination Date"), to purchase from Avalanche International Corp., a Nevada corporation (the "Company"), up to 6,948,800 shares (as subject to adjustment hereunder, the "Warrant Shares") of common stock, no par value per share, of the Company ("Common Stock"), at the per share Exercise Price as defined in Section 2(b). This Warrant is issued in connection with that certain Loan and Security Agreement entered into by and between Holder and the Company and that certain Convertible Promissory Note in the in the principal amount of $6,948,800 issued thereunder.

Brooklyn Cheesecake & Dessrt – Common Stock Purchase Warrant (September 7th, 2017)

THIS COMMON STOCK PURCHASE WARRANT (the "Warrant") certifies that, for value received, [ ] (the "Holder") is entitled, upon the terms and subject to the limitations on exercise and the conditions hereinafter set forth, at any time on or after the date that is six months after the date hereof (the "Initial Exercise Date") and on or prior to the close of business on the five year anniversary of the Initial Exercise Date (the "Termination Date") but not thereafter, to subscribe for and purchase from Meridian Waste Solutions, Inc., a New York corporation (the "Company"), up to [ ] shares (the "Warrant Shares") of Common Stock. The purchase price of one share of Common Stock under this Warrant shall be equal to the Exercise Price, as defined in Section 2(b).

Document Security Systems, Inc. – Common Stock Purchase Warrant Document Security System, Inc. (September 6th, 2017)

THIS COMMON STOCK PURCHASE WARRANT (the "Warrant") certifies that, for value received, [ ] and its permitted assigns (the "Holder") is entitled, upon the terms and subject to the conditions hereinafter set forth, at any time on or after __________, 2017 (the "Initial Exercise Date") and on or prior to the close of business on the five-year anniversary of the Initial Exercise Date (the "Termination Date") but not thereafter, to subscribe for and purchase from DOCUMENT SECURITY SYSTEM, INC., a New York corporation (the "Company"), up to [ ] shares (as subject to adjustment hereunder, the "Warrant Shares") of the Company's common stock, $0.02 par value ("Common Stock"). The purchase price of one share of Common Stock under this Warrant shall be equal to the Exercise Price, as defined in Section 2(b).

Calpian Inc. – Common Stock Purchase Warrant Moneyonmobile, Inc. (September 1st, 2017)

This COMMON STOCK PURCHASE WARRANT (the "Warrant") certifies that, for value received (in connection with the funding of the first tranche of $568,181.50 under the $1,136,363.00 convertible promissory note to the Holder (as defined below) of even date) (the "Note"), L2 Capital, LLC, a Kansas limited liability company (including any permitted and registered assigns, the "Holder"), is entitled, upon the terms and subject to the limitations on exercise and the conditions hereinafter set forth, at any time on or after the date of issuance hereof, to purchase from MoneyOnMobile, Inc., a Texas corporation (the "Company"), up to 688,704 shares of Common Stock (as defined below) (the "Warrant Shares") (whereby such number may be adjusted from time to time pursuant to the terms and conditions of this Warrant) at the Exercise Price per share then in effect. This Warrant is issued by the Company as of the date hereof in connection with that certain securities purchase agreement dated August 29,

Common Stock Purchase Warrant Protea Bioscience Group, Inc. (August 29th, 2017)

THIS COMMON STOCK PURCHASE WARRANT (the "Warrant") certifies that, for value received, ANDREAS WAWRLA ("Wawrla") or his assigns (the "Holder") is entitled, upon the terms and subject to the limitations on exercise and the conditions hereinafter set forth, at any time on or after the date hereof (the "Initial Exercise Date") and on or prior to the close of business on June 5, 2020 (the "Termination Date") but not thereafter, to subscribe for and purchase from PROTEA BIOSCIENCES GROUP, INC., a Delaware corporation (the "Company"), up to the number of shares indicated above (subject to adjustment as provided herein) of Common Stock (the "Warrant Shares"). The purchase price of one share of Common Stock under this Warrant shall be equal to the Exercise Price, as defined in Section 2(b).

Digital Ally – Series A-2 Common Stock Purchase Warrant Digital Ally, Inc. (August 25th, 2017)

THIS SERIES A-2 COMMON STOCK PURCHASE WARRANT (the "Warrant") certifies that, for value received, _______________ or its assigns (the "Holder") is entitled, upon the terms and subject to the limitations on exercise and the conditions hereinafter set forth, at any time on or after August 23, 2017 (the "Initial Exercise Date") and on or prior to 5:00 p.m. (New York City time) on August 23, 2022 (the "Termination Date") but not thereafter, to subscribe for and purchase from Digital Ally, Inc., a Nevada corporation (the "Company"), up to 59,498 shares (as subject to adjustment hereunder, the "Warrant Shares") of Common Stock. The purchase price of one share of Common Stock under this Warrant shall be equal to the Exercise Price, as defined in Section 2(b).

Nexeon Medsystems Inc – Common Stock Purchase Warrant Nexeon Medsystems Inc (August 25th, 2017)

This COMMON STOCK PURCHASE WARRANT (the "Warrant") certifies that, for value received (in connection with the issuance of the $1,120,000.00 senior secured convertible promissory note to the Holder (as defined below) of even date) (the "Note"), Leonite Capital, LLC, a Delaware limited liability company (including any permitted and registered assigns, the "Holder"), is entitled, upon the terms and subject to the limitations on exercise and the conditions hereinafter set forth, at any time on or after the date of issuance hereof, to purchase from Nexeon Medsystems Inc, a Nevada corporation (the "Company"), up to 250,000 shares of Common Stock (as defined below) (the "Warrant Shares") (whereby such number may be adjusted from time to time pursuant to the terms and conditions of this Warrant) at the Exercise Price per share then in effect. This Warrant is issued by the Company as of the date hereof in connection with that certain securities purchase agreement, dated August 21, 2017, by and

Nexeon Medsystems Inc – Common Stock Purchase Warrant Nexeon Medsystems Inc (August 25th, 2017)

This COMMON STOCK PURCHASE WARRANT (the "Warrant") certifies that, for value received (in connection with the issuance of the $1,120,000.00 senior secured convertible promissory note to the Holder (as defined below) of even date) (the "Note"), Leonite Capital, LLC, a Delaware limited liability company (including any permitted and registered assigns, the "Holder"), is entitled, upon the terms and subject to the limitations on exercise and the conditions hereinafter set forth, at any time on or after the date of issuance hereof, to purchase from Nexeon Medsystems Inc, a Nevada corporation (the "Company"), up to 250,000 shares of Common Stock (as defined below) (the "Warrant Shares") (whereby such number may be adjusted from time to time pursuant to the terms and conditions of this Warrant) at the Exercise Price per share then in effect. This Warrant is issued by the Company as of the date hereof in connection with that certain securities purchase agreement, dated August 21, 2017, by and

Nexeon Medsystems Inc – Common Stock Purchase Warrant Nexeon Medsystems Inc (August 25th, 2017)

This COMMON STOCK PURCHASE WARRANT (the "Warrant") certifies that, for value received (in connection with the issuance of a Personal Guaranty by Michael Rosellini in the amount of $1,120,000.00 in conjunctions with a senior secured convertible promissory note issued to Leonite Capital LLC (the "Note"), Michael Rosellini (including any permitted and registered assigns, the "Holder"), is entitled, upon the terms and subject to the limitations on exercise and the conditions hereinafter set forth, at any time on or after the date of issuance hereof, to purchase from Nexeon Medsystems Inc, a Nevada corporation (the "Company"), up to 200,000 shares of Common Stock (as defined below) (the "Warrant Shares") (whereby such number may be adjusted from time to time pursuant to the terms and conditions of this Warrant) at the Exercise Price per share then in effect.

Digital Ally – Series B Common Stock Purchase Warrant Digital Ally, Inc. (August 25th, 2017)

THIS SERIES B COMMON STOCK PURCHASE WARRANT (the "Warrant") certifies that, for value received, ________________. or its assigns (the "Holder") is entitled, upon the terms and subject to the limitations on exercise and the conditions hereinafter set forth, at any time on or after August 23, 2017 (the "Initial Exercise Date") and until this Warrant is exercised in full (the "Termination Date") but not thereafter, to subscribe for and purchase from Digital Ally, Inc., a Nevada corporation (the "Company"), up to 23,799 shares (as subject to adjustment hereunder, the "Warrant Shares") of Common Stock. The purchase price of one share of Common Stock under this Warrant shall be equal to the Exercise Price, as defined in Section 2(b).

Digital Ally – Series A-1 Common Stock Purchase Warrant Digital Ally, Inc. (August 25th, 2017)

THIS SERIES A-1 COMMON STOCK PURCHASE WARRANT (the "Warrant") certifies that, for value received, _______________ or its assigns (the "Holder") is entitled, upon the terms and subject to the limitations on exercise and the conditions hereinafter set forth, at any time on or after February 23, 2018 (the "Initial Exercise Date") and on or prior to 5:00 p.m. (New York City time) on February 23, 2023 (the "Termination Date") but not thereafter, to subscribe for and purchase from Digital Ally, Inc., a Nevada corporation (the "Company"), up to 201,704 shares (as subject to adjustment hereunder, the "Warrant Shares") of Common Stock. The purchase price of one share of Common Stock under this Warrant shall be equal to the Exercise Price, as defined in Section 2(b).

Cel-Sci Corporation – Neither This Security Nor the Securities for Which This Security Is Exercisable Have Been Registered With the Securities and Exchange Commission or the Securities Commission of Any State in Reliance Upon an Exemption From Registration Under the Securities Act of 1933, as Amended (The "Securities Act"), And, Accordingly, May Not Be Offered or Sold Except Pursuant to an Effective Registration Statement Under the Securities Act or Pursuant to an Available Exemption From, or in a Transaction Not Subject To, the Registration Requirements of the Securities Act and in Accordance With Applicable State (August 24th, 2017)

THIS COMMON STOCK PURCHASE WARRANT (the "Warrant") certifies that, for value received, _____________ or its assigns (the "Holder") is entitled, upon the terms and subject to the limitations on exercise and the conditions hereinafter set forth, at any time on or after six (6) months following the date hereof (the "Initial Exercise Date") and on or prior to the close of business on August 22, 2022 (the "Termination Date") but not thereafter, to subscribe for and purchase from CEL-SCI Corporation, a Colorado corporation (the "Company"), up to ______ shares (as subject to adjustment hereunder, the "Warrant Shares") of Common Stock. The purchase price of one share of Common Stock under this Warrant shall be equal to the Exercise Price, as defined in Section 2(b). This Warrant is being issued by the Company as of the date hereof pursuant to Section A(2) of the Engagement Agreement, dated as of August 21, 2017, between the Company and H.C. Wainwright & Co., LLC.

Cel-Sci Corporation – Common Stock Purchase Warrant Series Pp Cel-Sci Corporation (August 24th, 2017)

THIS COMMON STOCK PURCHASE WARRANT (the "Warrant") certifies that, for value received, _____________ or its assigns (the "Holder") is entitled, upon the terms and subject to the limitations on exercise and the conditions hereinafter set forth, at any time on or after six (6) months following the date hereof (the "Initial Exercise Date") and on or prior to the close of business on the five (5) year anniversary of the Initial Exercise Date (the "Termination Date") but not thereafter, to subscribe for and purchase from CEL-SCI Corporation, a Colorado corporation (the "Company"), up to ______ shares (as subject to adjustment hereunder, the "Warrant Shares") of Common Stock. The purchase price of one share of Common Stock under this Warrant shall be equal to the Exercise Price, as defined in Section 2(b).

Hemispherx BioPharma, Inc. – Re: Amendment to Reset Offer of Common Stock Purchase Warrants (August 23rd, 2017)

This letter agreement (the "Amendment") is an offer to amend that certain Reset Offer Letter dated June 1, 2017 (the "Reset Letter") by and between Hemispherx Biopharma, Inc. (the "Company") and you (the "Holder" or "you") pursuant to which you acquired Class A and Class B Common Stock Purchase Warrants of the Company (respectively, the "A Warrants" and the "B Warrants" and, collectively, the "Old Warrants") set forth on the signature page below. The foregoing transaction, along with identical transactions entered into with other investors, is hereinafter referred to as the "Transaction". Capitalized terms not otherwise defined herein shall have the meanings set forth in the Securities Purchase Agreement, dated as of August 30, 2016, by and among the Company and the signatories thereto (the "Purchase Agreement").

Hemispherx BioPharma, Inc. – SERIES a COMMON STOCK PURCHASE WARRANT Hemispherx Biopharma, Inc. (August 23rd, 2017)

THIS SERIES A COMMON STOCK PURCHASE WARRANT (the "Warrant") certifies that, for value received, or its assigns (the "Holder") is entitled, upon the terms and subject to the limitations on exercise and the conditions hereinafter set forth, at any time on or after December 1, 2017 (the "Initial Exercise Date") and on or prior to the close of business on March 6, 2022 (the "Termination Date") but not thereafter, to subscribe for and purchase from Hemispherx BioPharma, Inc., a Delaware corporation (the "Company"), up to shares (as subject to adjustment hereunder, the "Warrant Shares") of Common Stock. The purchase price of one share of Common Stock under this Warrant shall be equal to the Exercise Price, as defined in Section 2(b).

Hemispherx BioPharma, Inc. – SERIES B COMMON STOCK PURCHASE WARRANT Hemispherx Biopharma, Inc. (August 23rd, 2017)

THIS SERIES B COMMON STOCK PURCHASE WARRANT (the "Warrant") certifies that, for value received, or its assigns (the "Holder") is entitled, upon the terms and subject to the limitations on exercise and the conditions hereinafter set forth, at any time on or after December 1, 2017 (the "Initial Exercise Date") and on or prior to the close of business on the three (3) month anniversary of the Initial Exercise Date (the "Termination Date") but not thereafter, to subscribe for and purchase from Hemispherx BioPharma, Inc., a Delaware corporation (the "Company"), up to shares (as subject to adjustment hereunder, the "Warrant Shares") of Common Stock. The purchase price of one share of Common Stock under this Warrant shall be equal to the Exercise Price, as defined in Section 2(b).

Helios & Matheson North America Inc. – Common Stock Purchase Warrant Helios and Matheson Analytics Inc. (August 22nd, 2017)

THIS COMMON STOCK PURCHASE WARRANT (the "Warrant") certifies that, for value received, Palladium Capital Advisors, LLC or its assigns (the "Holder") is entitled, upon the terms and subject to the limitations on exercise and the conditions hereinafter set forth, at any time on or after six (6) months following the date set forth above (the "Initial Exercise Date") and on or prior to the close of business on the fifth (5th) year anniversary of the Initial Exercise Date (the "Termination Date") but not thereafter, to subscribe for and purchase from Helios and Matheson Analytics Inc., a Delaware corporation (the "Company"), up to [____] shares1 (as subject to adjustment hereunder, the "Warrant Shares") of Common Stock. The purchase price of one share of Common Stock under this Warrant shall be equal to the Exercise Price, as defined in Section 2(b).

Boston Therapeutics, Inc. – COMMON STOCK PURCHASE WARRANT to Purchase [*] Shares of Common Stock of BOSTON THERAPEUTICS, INC. (August 22nd, 2017)

THIS COMMON STOCK PURCHASE WARRANT (the "Warrant") certifies that, for value received, [*] (the "Holder"), is entitled, upon the terms and subject to the limitations on exercise and the conditions hereinafter set forth, at any time on or after the date hereof (the "Initial Exercise Date") and on or prior to the close of business on the five year anniversary of the Initial Exercise Date (the "Termination Date") but not thereafter, to subscribe for and purchase from Boston Therapeutics, Inc., a Delaware corporation (the "Company"), up to [*] shares (the "Warrant Shares") of Common Stock, $.001 par value per share, of the Company (the "Common Stock") subject to the Company amending its Certificate of Incorporation increasing its authorized shares of Common Stock. The purchase price of one share of Common Stock under this Warrant shall be equal to the Exercise Price, as defined in Section 2(b). In the event the closing market price is above $0.30 for a period of 10 consecutive Trading Days

Harvard Apparatus Regenerative Technology, Inc. – Common Stock Purchase Warrant Biostage, Inc. (August 17th, 2017)

THIS COMMON STOCK PURCHASE WARRANT (the "Warrant") certifies that, for value received, First Pecos, LLC or its assigns (the "Holder") is entitled, upon the terms and subject to the limitations on exercise and the conditions hereinafter set forth, at any time on or after the date that is six months after the date hereof (the "Initial Exercise Date") and on or prior to the close of business on the five year anniversary of the Initial Exercise Date (the "Termination Date") but not thereafter, to subscribe for and purchase from Biostage, Inc., a Delaware corporation (the "Company"), up to 9,700,000 shares (as subject to limitations and adjustment hereunder, the "Warrant Shares") of Common Stock. The purchase price of one share of Common Stock under this Warrant shall be equal to the Exercise Price, as defined in Section 2(b).