Exhibit
10.11


 


SECURITIES
PURCHASE AGREEMENT


 


This
Securities Purchase Agreement (this “Agreement”) is dated as of May 20, 2020 between Qualigen, Inc., a Delaware
corporation (the “Company”), and each purchaser identified on the signature pages hereto (each, including its
successors and assigns, a “Purchaser” and collectively, the “Purchasers”).


 


WHEREAS,
subject to the terms and conditions set forth in this Agreement and pursuant to Section 4(a)(2) of the Securities Act of 1933,
as amended (the “Securities Act”), and Rule 506 promulgated thereunder, the Company desires to issue and sell
to each Purchaser, and each Purchaser, severally and not jointly, desires to purchase from the Company, securities of the Company
as more fully described in this Agreement.


 


NOW,
THEREFORE, IN CONSIDERATION of the mutual covenants contained in this Agreement, and for other good and valuable consideration
the receipt and adequacy of which are hereby acknowledged, the Company and each Purchaser agree as follows:


 


ARTICLE
I.


DEFINITIONS


 


1.1
Definitions. In addition to the terms defined elsewhere in this Agreement: (a) capitalized terms that are not otherwise
defined herein have the meanings given to such terms in the Certificate of Designation (as defined herein), and (b) the following
terms have the meanings set forth in this Section 1.1:


 


“Acquiring
Person” shall have the meaning ascribed to such term in Section 4.7.


 


“Action”
shall have the meaning ascribed to such term in Section 3.1(j).


 


“Affiliate”
means any Person that, directly or indirectly through one or more intermediaries, controls or is controlled by or is under common
control with a Person, as such terms are used in and construed under Rule 405 under the Securities Act.


 


“Board
of Directors” means the board of directors of the Company.


 


“Business
Day” means any day except any Saturday, any Sunday, any day which is a federal legal holiday in the United States or
any day on which banking institutions in the State of New York are authorized or required by law or other governmental action
to close.


 


“Certificate
of Designation” means the Certificate of Designation to be filed prior to the Closing by the Company with the Secretary
of State of Delaware, in the form of Exhibit A attached hereto.


 


“Closing”
means the closing of the purchase and sale of the Securities pursuant to Section 2.1.


 




    	 



     


    

 


“Closing
Date” means the Trading Day on which all of the Transaction Documents have been executed and delivered by the applicable
parties thereto, and all conditions precedent to (i) the Purchasers’ obligations to pay the Subscription Amount and (ii)
the Company’s obligations to deliver the Securities, in each case, have been satisfied or waived.


 


“Commission”
means the United States Securities and Exchange Commission.


 


“Commitment
Shares” means the shares of Series Alpha Preferred Stock issued in consideration of the Purchasers’ commitment
to purchase the Series Alpha Preferred Stock as set forth in Section 4.3.


 


“Common
Stock” means the common stock of the Company, par value $0.01 per share, and any other class of securities into which
such securities may hereafter be reclassified or changed.


 


“Common
Stock Equivalents” means any securities of the Company or the Subsidiaries which would entitle the holder thereof to
acquire at any time Common Stock, including, without limitation, any debt, preferred stock, right, option, warrant or other instrument
that is at any time convertible into or exercisable or exchangeable for, or otherwise entitles the holder thereof to receive,
Common Stock.


 


“Company
Counsel” means Stradling Yocca Carlson & Rauth, a Professional Corporation, with offices located at 4365 Executive
Drive, Suite 1500, San Diego, California 92121.


 


“Conversion
Price” shall have the meaning ascribed to such term in the Certificate of Designation.


 


“Conversion
Shares” shall have the meaning ascribed to such term in the Certificate of Designation.


 


“Disclosure
Schedules” shall have the meaning ascribed to such term in Section 3.1.


 


“Effective
Date” shall have the meaning ascribed to such term in the Certificate of Designation.


 


“EGS”
means Ellenoff Grossman & Schole LLP, with offices located at 1345 Avenue of the Americas, New York, New York 10105-0302.


 


“Exchange
Act” means the Securities Exchange Act of 1934, as amended, and the rules and regulations promulgated thereunder.


 




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“Exempt
Issuance” means the issuance of (a) shares of Common Stock or options to employees, officers or directors of the Company
pursuant to any stock or option plan duly adopted for such purpose, by a majority of the non-employee members of the Board of
Directors or a majority of the members of a committee of non-employee directors established for such purpose for services rendered
to the Company, (b) securities upon the exercise or exchange of or conversion of any Securities issued hereunder and/or other
securities exercisable or exchangeable for or convertible into shares of Common Stock (or into Common Stock of Parent) issued
and outstanding on the date of this Agreement, provided that such securities have not been amended since the date of this Agreement
to increase the number of such securities or to decrease the exercise price, exchange price or conversion price of such securities
(other than in connection with stock splits or combinations) or to extend the term of such securities (it being expressly understood
that decreases in the exercise price of warrants (which were outstanding on the date of this Agreement) pursuant to the operation
of ratchet or other antidilution provisions thereof which provisions have not been amended after the date of this Agreement do
not constitute an “amendment since the date of this Agreement”), and (c) securities issued pursuant to acquisitions
or strategic transactions approved by a majority of the disinterested directors of the Company, and provided that any such issuance
shall only be to a Person (or to the equityholders of a Person) which is, itself or through its subsidiaries, an operating company
or an owner of an asset in a business synergistic with the business of the Company and shall provide to the Company additional
benefits in addition to the investment of funds, but shall not include a transaction in which the Company is issuing securities
primarily for the purpose of raising capital or to an entity whose primary business is investing in securities. Issuances of securities
in the Merger or assumed by Parent in connection with the Merger, and securities issuable or thereafter issued by Parent upon
the conversion, exercise or exchange thereof, are also Exempt Issuances; provided that such securities have not been amended since
the date of this Agreement to increase the number of such securities or to decrease the exercise price, exchange price or conversion
price of such securities (other than in connection with stock splits or combinations) or to extend the term of such securities
(it being expressly understood that decreases in the exercise price of warrants (which were outstanding on the date of this Agreement)
pursuant to the operation of ratchet or other antidilution provisions thereof which provisions have not been amended after the
date of this Agreement do not constitute an “amendment since the date of this Agreement”).


 


“FCPA”
means the Foreign Corrupt Practices Act of 1977, as amended.


 


“GAAP”
shall have the meaning ascribed to such term in Section 3.1(h).


 


“Indebtedness”
shall have the meaning ascribed to such term in Section 3.1(bb).


 


“Intellectual
Property Rights” shall have the meaning ascribed to such term in Section 3.1(o).


 


“Legend
Removal Date” shall have the meaning ascribed to such term in Section 4.1(c).


 




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“Liens”
means a lien, charge, pledge, security interest, encumbrance, right of first refusal, preemptive right or other restriction.


 


“Material
Adverse Effect” shall have the meaning assigned to such term in Section 3.1(b).


 


“Material
Permits” shall have the meaning ascribed to such term in Section 3.1(n).


 


“Maximum
Rate” shall have the meaning ascribed to such term in Section 5.17.


 


“Merger”
means the proposed merger of the Company with a wholly-owned subsidiary of Parent pursuant to that certain Agreement and Plan
of Merger dated January 15, 2020, as thereafter amended.


 


“Parent”
means Ritter Pharmaceuticals, Inc.


 


“Participation
Maximum” shall have the meaning ascribed to such term in Section 4.12(a).


 


“Person”
means an individual or corporation, partnership, trust, incorporated or unincorporated association, joint venture, limited liability
company, joint stock company, government (or an agency or subdivision thereof) or other entity of any kind.


 


“Pre-Notice”
shall have the meaning ascribed to such term in Section 4.12(b).


 


“Pro
Rata Portion” shall have the meaning ascribed to such term in Section 4.12(e).


 


“Proceeding”
means an action, claim, suit, investigation or proceeding (including, without limitation, an informal investigation or partial
proceeding, such as a deposition), whether commenced or threatened.


 


“Purchaser
Party” shall have the meaning ascribed to such term in Section 4.10.


 


“Required
Approvals” shall have the meaning ascribed to such term in Section 3.1(e).


 


“Required
Minimum” means, as of any date, the maximum aggregate number of shares of Common Stock then issued or potentially issuable
in the future pursuant to the Transaction Documents, including any Underlying Shares issuable upon exercise in full of all Warrants
or conversion in full of all shares of Series Alpha Preferred Stock, ignoring any conversion or exercise limits set forth therein,
and assuming that any previously unconverted shares of Series Alpha Preferred Stock are held until the third anniversary of the
Closing Date.


 




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“Rule
144” means Rule 144 promulgated by the Commission pursuant to the Securities Act, as such Rule may be amended or interpreted
from time to time, or any similar rule or regulation hereafter adopted by the Commission having substantially the same purpose
and effect as such Rule.


 


“Rule
424” means Rule 424 promulgated by the Commission pursuant to the Securities Act, as such Rule may be amended or interpreted
from time to time, or any similar rule or regulation hereafter adopted by the Commission having substantially the same purpose
and effect as such Rule.


 


“SEC
Reports” shall have the meaning ascribed to such term in Section 3.1(h).


 


“Securities”
means the Series Alpha Preferred Stock, the Warrants, the Warrant Shares and the Underlying Shares.


 


“Securities
Act” means the Securities Act of 1933, as amended, and the rules and regulations promulgated thereunder.


 


“Series
Alpha Preferred Stock” means the up to 4,010 shares of the Company’s Series Alpha Preferred Stock issued hereunder
having the rights, preferences and privileges set forth in the Certificate of Designation, in the form of Exhibit A hereto.


 


“Stated
Value” means $1,000 per share of Series Alpha Preferred Stock.


 


“Subscription
Amount” shall mean, as to each Purchaser, the aggregate amount to be paid for the Series Alpha Preferred Stock purchased
hereunder as specified below such Purchaser’s name on the signature page of this Agreement and next to the heading “Subscription
Amount,” in United States dollars and in immediately available funds.


 


“Subsequent
Financing” shall have the meaning ascribed to such term in Section 4.12(a).


 


“Subsequent
Financing Notice” shall have the meaning ascribed to such term in Section 4.12(b).


 


“Subsidiary”
means any subsidiary of the Company as set forth on Schedule 3.1(a) and shall, where applicable, also include any direct
or indirect subsidiary of the Company formed or acquired after the date hereof.


 


“Trading
Day” means a day on which the principal Trading Market is open for trading.


 




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“Trading
Market” means any of the following markets or exchanges on which the Common Stock is listed or quoted for trading on
the date in question (or, if the Common Stock is not listed or quoted for trading on any of the following markets or exchanges
on the date in question but the common stock of Parent is listed or quoted for trading on any of the following markets or exchanges
on the date in question, then any of the following markets or exchanges on which the common stock of Parent is listed or quoted
for trading on the date in question): the NYSE American, the Nasdaq Capital Market, the Nasdaq Global Market, the Nasdaq Global
Select Market or the New York Stock Exchange (or any successors to any of the foregoing).


 


“Transaction
Documents” means this Agreement, the Certificate of Designation, the Warrants, all exhibits and schedules thereto and
hereto and any other documents or agreements executed in connection with the transactions contemplated hereunder.


 


“Transfer
Agent” means the current transfer agent of the Company, and any successor transfer agent of the Company.


 


“Underlying
Shares” means the shares of Common Stock issued and issuable upon conversion of the Series Alpha Preferred Stock in
accordance with the terms of the Certificate of Designation or upon exercise of the Warrants in accordance with the terms of the
Warrants.


 


“Variable
Rate Transaction” shall have the meaning ascribed to such term in Section 4.17(b).


 


“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 as reported by Bloomberg 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 OTCQB or OTCQX is not a Trading
Market, the volume weighted average price of the Common Stock for such date (or the nearest preceding date) on OTCQB or OTCQX
as applicable, (c) if the Common Stock is not then listed or quoted for trading on OTCQB or OTCQX and if prices for the Common
Stock are then reported on the Pink Open Market (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 Purchasers of a majority in
interest of the Securities then outstanding and reasonably acceptable to the Company, the fees and expenses of which shall be
paid by the Company.


 


“Warrants”
means, collectively, the Common Stock purchase warrants delivered at the Closing in accordance with Section 2.2(a) hereof, which
Warrants shall be exercisable immediately and have a term of exercise equal to five years, in the form of Exhibit B attached
hereto.


 


“Warrant
Shares” means the shares of Common Stock issuable upon exercise of the Warrants.


 




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ARTICLE
II.


PURCHASE
AND SALE


 


2.1
Closing. On the Closing Date, upon the terms and subject to the conditions set forth herein, substantially concurrent with
the execution and delivery of this Agreement by the parties hereto, the Company agrees to sell, and the Purchasers, severally
and not jointly, agree to purchase, up to an aggregate of $4,010,000 of shares of Series Alpha Preferred Stock with an aggregate
Stated Value for each Purchaser equal to such Purchaser’s Subscription Amount as set forth on the signature page hereto
executed by such Purchaser, and Warrants as determined by pursuant to Section 2.2(a). The aggregate number of shares of Series
Alpha Preferred Stock sold hereunder shall be up to 4,010. Each Purchaser shall deliver to the Company via wire transfer immediately
available funds equal to such Purchaser’s Subscription Amount and the Company shall deliver to each Purchaser its respective
shares of Series Alpha Preferred Stock and Warrants as determined pursuant to Section 2.2(a), and the Company and each Purchaser
shall deliver the other items set forth in Section 2.2 deliverable at the Closing. Upon satisfaction of the covenants and conditions
set forth in Sections 2.2 and 2.3, the Closing shall occur at the offices of EGS or such other location as the parties shall mutually
agree.


 


2.2
Deliveries.


 


(a)
On or prior to the Closing Date, the Company shall deliver or cause to be delivered to each Purchaser the following (it being
understood, however, that despite the following wording the Warrants and the Commitment Shares shall all be delivered to and in
favor of Alpha and not to or in favor of any other Purchasers):


 


(i)
this Agreement duly executed by the Company;


 


(ii)
a legal opinion of Company Counsel, substantially in the form of Exhibit C attached hereto;


 


(iii)
a certificate evidencing a number of shares of Series Alpha Preferred Stock equal to such Purchaser’s Subscription Amount
divided by the Stated Value, registered in the name of such Purchaser;


 


(iv)
a Warrant registered in the name of such Purchaser to purchase up to a number of shares of Common Stock calculated such that the
number of shares of Common Stock underlying all Warrants issued to all Purchasers in the aggregate would, after giving effect
to the completion of the Merger and the assumption of the Warrants by Parent in connection with the Merger, be exercisable for
shares of Common Stock of Parent representing 1% of the immediately-post-Merger shares of Common Stock of Parent on a fully-diluted
basis (with such percentage being calculated using the meaning of “fully-diluted” contemplated in the computation
of the Merger Agreement’s “Exchange Ratio”), with an exercise price equal to $0.327, subject to adjustment therein;


 




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(v)
the Commitment Shares in the form of a certificate representing a number of shares of Series Alpha Preferred Stock calculated
such that the number of shares of Series Alpha Preferred Stock issued as Commitment Shares to all Purchasers in the aggregate
would, after giving effect to the completion of the Merger and the assumption of the Warrants by Parent in connection with the
Merger, immediately-post-Merger constitute shares of Series Alpha Preferred Stock of Parent overlying 5% of the immediately-post-Merger
shares of Common Stock of Parent on a fully-diluted basis (with such percentage being calculated using the meaning of “fully-diluted”
contemplated in the computation of the Merger Agreement’s “Exchange Ratio”);


 


(vi)
evidence of the filing and acceptance of the Certificate of Designation from the Secretary of State of Delaware; and


 


(vii)
the Company shall have provided each Purchaser with the Company’s wire instructions, on Company letterhead and executed
by the Chief Executive Officer or Chief Financial Officer;


 


(b)
On or prior to the Closing Date, each Purchaser shall deliver or cause to be delivered to the Company the following:


 


(i)
this Agreement duly executed by such Purchaser; and


 


(ii)
such Purchaser’s Subscription Amount by wire transfer to the account specified in writing by the Company.


 


2.3
Closing Conditions.


 


(a)
The obligations of the Company hereunder in connection with the Closing are subject to the following conditions being met:


 


(i)
the accuracy in all material respects (or, to the extent representations or warranties are qualified by materiality or Material
Adverse Effect, in all respects) on the Closing Date of the representations and warranties of the Purchasers contained herein
(unless as of a specific date therein in which case they shall be accurate as of such date);


 


(ii)
all obligations, covenants and agreements of each Purchaser required to be performed at or prior to the Closing Date shall have
been performed;


 


(iii)
the Merger shall be in all ways positioned to be consummated and all parties to the Merger Agreement shall be ready, willing and
able to so consummate (including all closing conditions under the Merger Agreement having been duly satisfied or waived); and


 




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(iv)
the delivery by each Purchaser of the items set forth in Section 2.2(b) of this Agreement.


 


(b)
The respective obligations of the Purchasers hereunder in connection with the Closing are subject to the following conditions
being met:


 


(i)
the accuracy in all material respects (or, to the extent representations or warranties are qualified by materiality or Material
Adverse Effect, in all respects) when made and on the Closing Date of the representations and warranties of the Company contained
herein (unless as of a specific date therein in which case they shall be accurate as of such date);


 


(ii)
all obligations, covenants and agreements of the Company required to be performed at or prior to the Closing Date shall have been
performed;


 


(iii)
the Merger shall be in all ways positioned to be consummated and all parties to the Merger Agreement shall be ready, willing and
able to so consummate (including all closing conditions under the Merger Agreement having been duly satisfied or waived);


 


(iv)
the delivery by the Company of the items set forth in Section 2.2(a) of this Agreement;


 


(v)
there shall have been no Material Adverse Effect with respect to the Company since the date hereof; and


 


(vi)
from the date hereof to the Closing Date, trading in the common stock of Parent shall not have been suspended by the Commission
or the Company’s principal Trading Market and, at any time prior to the Closing Date, trading in securities generally as
reported by Bloomberg L.P. shall not have been suspended or limited, or minimum prices shall not have been established on securities
whose trades are reported by such service, or on any Trading Market, nor shall a banking moratorium have been declared either
by the United States or New York State authorities nor shall there have occurred any material outbreak or escalation of hostilities
or other national or international calamity of such magnitude in its effect on, or any material adverse change in, any financial
market which, in each case, in the reasonable judgment of such Purchaser, makes it impracticable or inadvisable to purchase the
Securities at the Closing.


 




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ARTICLE
III.


REPRESENTATIONS
AND WARRANTIES


 


3.1
Representations and Warranties of the Company. Except as set forth in the Disclosure Schedules, which Disclosure Schedules
shall be deemed a part hereof and shall qualify any representation or otherwise made herein to the extent of the disclosure contained
in the corresponding section of the Disclosure Schedules (or in any other section of the Disclosure Schedules if its applicability
to the corresponding section of the Disclosure Schedules is apparent), the Company hereby makes the following representations
and warranties to each Purchaser:


 


(a)
Subsidiaries. All of the direct and indirect subsidiaries of the Company are set forth on Schedule 3.1(a). The Company
owns, directly or indirectly, all of the capital stock or other equity interests of each Subsidiary free and clear of any Liens,
and all of the issued and outstanding shares of capital stock of each Subsidiary are validly issued and are fully paid, non-assessable
and free of preemptive and similar rights to subscribe for or purchase securities. If the Company has no subsidiaries, no such
Schedule 3.1(a) shall be provided and all other references to the Subsidiaries or any of them in the Transaction Documents
shall be disregarded.


 


(b)
Organization and Qualification. The Company and each of the Subsidiaries is an entity duly incorporated or otherwise organized,
validly existing and in good standing under the laws of the jurisdiction of its incorporation or organization, with the requisite
power and authority to own and use its properties and assets and to carry on its business as currently conducted. Neither the
Company nor any Subsidiary is in violation nor default of any of the provisions of its respective certificate or articles of incorporation,
bylaws or other organizational or charter documents. Each of the Company and the Subsidiaries is duly qualified to conduct business
and is in good standing as a foreign corporation or other entity in each jurisdiction in which the nature of the business conducted
or property owned by it makes such qualification necessary, except where the failure to be so qualified or in good standing, as
the case may be, could not have or reasonably be expected to result in: (i) a material adverse effect on the legality, validity
or enforceability of any Transaction Document, (ii) a material adverse effect on the results of operations, assets, business,
prospects or condition (financial or otherwise) of the Company and the Subsidiaries, taken as a whole, or (iii) a material adverse
effect on the Company’s ability to perform in any material respect on a timely basis its obligations under any Transaction
Document (any of (i), (ii) or (iii), a “Material Adverse Effect”) and no Proceeding has been instituted in
any such jurisdiction revoking, limiting or curtailing or seeking to revoke, limit or curtail such power and authority or qualification.


 


(c)
Authorization; Enforcement. The Company has the requisite corporate power and authority to enter into and to consummate
the transactions contemplated by this Agreement and each of the other Transaction Documents and otherwise to carry out its obligations
hereunder and thereunder. The execution and delivery of this Agreement and each of the other Transaction Documents by the Company
and the consummation by it of the transactions contemplated hereby and thereby have been duly authorized by all necessary action
on the part of the Company and no further action is required by the Company, the Board of Directors or the Company’s stockholders
in connection herewith or therewith other than in connection with the Required Approvals. This Agreement and each other Transaction
Document to which it is a party have been (or upon delivery will have been) duly executed by the Company and, when delivered in
accordance with the terms hereof and thereof, will constitute the valid and binding obligation of the Company enforceable against
the Company in accordance with its respective terms, except (i) as limited by general equitable principles and applicable bankruptcy,
insolvency, reorganization, moratorium and other laws of general application affecting enforcement of creditors’ rights
generally, (ii) as limited by laws relating to the availability of specific performance, injunctive relief or other equitable
remedies and (iii) insofar as indemnification and contribution provisions may be limited by applicable law.


 




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(d)
No Conflicts. The execution, delivery and performance by the Company of this Agreement and the other Transaction Documents
to which it is a party, the issuance and sale of the Securities and the consummation by it of the transactions contemplated hereby
and thereby do not and will not (i) conflict with or violate any provision of the Company’s or any Subsidiary’s certificate
or articles of incorporation, bylaws or other organizational or charter documents, or (ii) conflict with, or constitute a default
(or an event that with notice or lapse of time or both would become a default) under, result in the creation of any Lien upon
any of the properties or assets of the Company or any Subsidiary, or give to others any rights of termination, amendment, anti-dilution
or similar adjustments, acceleration or cancellation (with or without notice, lapse of time or both) of, any agreement, credit
facility, debt or other instrument (evidencing a Company or Subsidiary debt or otherwise) or other understanding to which the
Company or any Subsidiary is a party or by which any property or asset of the Company or any Subsidiary is bound or affected,
or (iii) subject to the Required Approvals, conflict with or result in a violation of any law, rule, regulation, order, judgment,
injunction, decree or other restriction of any court or governmental authority to which the Company or a Subsidiary is subject
(including federal and state securities laws and regulations), or by which any property or asset of the Company or a Subsidiary
is bound or affected; except in the case of each of clauses (ii) and (iii), such as could not have or reasonably be expected to
result in a Material Adverse Effect.


 


(e)
Filings, Consents and Approvals. The Company is not required to obtain any consent, waiver, authorization or order of,
give any notice to, or make any filing or registration with, any court or other federal, state, local or other governmental authority
or other Person in connection with the execution, delivery and performance by the Company of the Transaction Documents, other
than such filings as are required to be made under applicable state securities laws (collectively, the “Required Approvals”).


 


(f)
Issuance of the Securities. The Securities are duly authorized and, when issued and paid for in accordance with the applicable
Transaction Documents, will be duly and validly issued, fully paid and nonassessable, free and clear of all Liens imposed by the
Company other than restrictions on transfer provided for in the Transaction Documents. The Underlying Shares, when and if issued
in accordance with the terms of the Transaction Documents, will be validly issued, fully paid and nonassessable, free and clear
of all Liens imposed by the Company other than restrictions on transfer provided for in the Transaction Documents. The Company
has reserved from its duly authorized capital stock a number of shares of Common Stock for issuance of the Underlying Shares at
least equal to the Required Minimum on the date hereof.


 




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(g)
Capitalization. The capitalization of the Company as of the date hereof is as set forth in Parent’s Form S-4 registration
statement filed with the Commission on February 4, 2020, as thereafter amended. The Company has not issued any capital stock since
December 31, 2019, other than pursuant to the conversion and/or exercise of Common Stock Equivalents outstanding as of December
31, 2019. No Person has any right of first refusal, preemptive right, right of participation, or any similar right to participate
in the transactions contemplated by the Transaction Documents. Except as a result of the purchase and sale of the Securities or
as disclosed in Parent’s Form S-4 registration statement filed with the Commission on February 4, 2020, as thereafter amended,
there are no outstanding options, warrants, scrip rights to subscribe to, calls or commitments of any character whatsoever relating
to, or securities, rights or obligations convertible into or exercisable or exchangeable for, or giving any Person any right to
subscribe for or acquire, any shares of Common Stock or the capital stock of any Subsidiary, or contracts, commitments, understandings
or arrangements by which the Company or any Subsidiary is or may become bound to issue additional shares of Common Stock or Common
Stock Equivalents or capital stock of any Subsidiary. The issuance and sale of the Securities will not obligate the Company or
any Subsidiary to issue shares of Common Stock or other securities to any Person (other than the Purchasers and GreenBlock Capital
LLC). There are no outstanding securities or instruments of the Company or any Subsidiary with any provision that adjusts the
exercise, conversion, exchange or reset price of such security or instrument upon an issuance of securities by the Company or
any Subsidiary, except for preferred stock weighted-average antidilution provisions which have been waived in connection with
the transactions contemplated by this Agreement. There are no outstanding securities or instruments of the Company or any Subsidiary
that contain any redemption or similar provisions, and there are no contracts, commitments, understandings or arrangements by
which the Company or any Subsidiary is or may become bound to redeem a security of the Company or such Subsidiary. The Company
does not have any stock appreciation rights or “phantom stock” plans or agreements or any similar plan or agreement.
All of the outstanding shares of capital stock of the Company are duly authorized, validly issued, fully paid and nonassessable,
have been issued in compliance with all federal and state securities laws, and none of such outstanding shares was issued in violation
of any preemptive rights or similar rights to subscribe for or purchase securities. No further approval or authorization of any
stockholder, the Board of Directors or others is required for the issuance and sale of the Securities. There are no stockholders
agreements, voting agreements or other similar agreements with respect to the Company’s capital stock to which the Company
is a party or, to the knowledge of the Company, between or among any of the Company’s stockholders.


 




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(h)
RESERVED.


 


(i)
Material Changes; Undisclosed Events, Liabilities or Developments. Since the date of the latest audited financial statements
provided to the Purchasers, except as set forth on Schedule 3.1(i), (i) there has been no event, occurrence or development
that has had or that could reasonably be expected to result in a Material Adverse Effect, (ii) the Company has not incurred any
liabilities (contingent or otherwise) other than (A) trade payables and accrued expenses incurred in the ordinary course of business
consistent with past practice and (B) liabilities not required to be reflected in the Company’s financial statements pursuant
to GAAP, (iii) the Company has not altered its method of accounting, (iv) the Company has not declared or made any dividend or
distribution of cash or other property to its stockholders or purchased, redeemed or made any agreements to purchase or redeem
any shares of its capital stock and (v) the Company has not issued any equity securities to any officer, director or Affiliate,
except pursuant to existing Company stock option plans. Except for the issuance of the Securities contemplated by this Agreement
or as set forth in Parent’s Form S-4 registration statement filed with the Commission on February 4, 2020, as thereafter
amended, no event, liability, fact, circumstance, occurrence or development has occurred or exists or is reasonably expected to
occur or exist with respect to the Company or its Subsidiaries or their respective businesses, prospects, properties, operations,
assets or financial condition, that would be required to be disclosed by the Company under applicable securities laws at the time
this representation is made or deemed made that has not been disclosed to the Purchasers.


 


(j)
Litigation. There is no action, suit, inquiry, notice of violation, proceeding or investigation pending or, to the knowledge
of the Company, threatened against or affecting the Company, any Subsidiary or any of their respective properties before or by
any court, arbitrator, governmental or administrative agency or regulatory authority (federal, state, county, local or foreign)
(collectively, an “Action”) which (i) adversely affects or challenges the legality, validity or enforceability
of any of the Transaction Documents or the Securities or (ii) could, if there were an unfavorable decision, have or reasonably
be expected to result in a Material Adverse Effect. Neither the Company nor any Subsidiary, nor any director or officer thereof,
is or has been the subject of any Action involving a claim of violation of or liability under federal or state securities laws
or a claim of breach of fiduciary duty. There has not been in the past five years, and to the knowledge of the Company, there
is not pending or contemplated, any investigation by the Commission involving the Company or any current or former director or
officer of the Company. The Commission has not issued any stop order or other order suspending the effectiveness of any registration
statement filed by the Company or any Subsidiary under the Exchange Act or the Securities Act.


 




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(k)
Labor Relations. No labor dispute exists or, to the knowledge of the Company, is imminent with respect to any of the employees
of the Company, which could reasonably be expected to result in a Material Adverse Effect. None of the Company’s or its
Subsidiaries’ employees is a member of a union that relates to such employee’s relationship with the Company or such
Subsidiary, and neither the Company nor any of its Subsidiaries is a party to a collective bargaining agreement, and the Company
and its Subsidiaries believe that their relationships with their employees are good. To the knowledge of the Company, no executive
officer of the Company or any Subsidiary, is, or is now expected to be, in violation of any material term of any employment contract,
confidentiality, disclosure or proprietary information agreement or non-competition agreement, or any other contract or agreement
or any restrictive covenant in favor of any third party, and the continued employment of each such executive officer does not
subject the Company or any of its Subsidiaries to any liability with respect to any of the foregoing matters. The Company and
its Subsidiaries are in compliance with all U.S. federal, state, local and foreign laws and regulations relating to employment
and employment practices, terms and conditions of employment and wages and hours, except where the failure to be in compliance
could not, individually or in the aggregate, reasonably be expected to have a Material Adverse Effect.


 


(l)
Compliance. Neither the Company nor any Subsidiary: (i) is in default under or in violation of (and no event has occurred
that has not been waived that, with notice or lapse of time or both, would result in a default by the Company or any Subsidiary
under), nor has the Company or any Subsidiary received notice of a claim that it is in default under or that it is in violation
of, any indenture, loan or credit agreement or any other agreement or instrument to which it is a party or by which it or any
of its properties is bound (whether or not such default or violation has been waived), (ii) is in violation of any judgment, decree
or order of any court, arbitrator or other governmental authority or (iii) is or has been in violation of any statute, rule, ordinance
or regulation of any governmental authority, including without limitation all foreign, federal, state and local laws relating
to taxes, environmental protection, occupational health and safety, product quality and safety and employment and labor matters,
except in each case as could not have or reasonably be expected to result in a Material Adverse Effect.


 


(m)
Environmental Laws. The Company and its Subsidiaries (i) are in compliance with all federal, state, local and foreign laws
relating to pollution or protection of human health or the environment (including ambient air, surface water, groundwater, land
surface or subsurface strata), including laws relating to emissions, discharges, releases or threatened releases of chemicals,
pollutants, contaminants, or toxic or hazardous substances or wastes (collectively, “Hazardous Materials”)
into the environment, or otherwise relating to the manufacture, processing, distribution, use, treatment, storage, disposal, transport
or handling of Hazardous Materials, as well as all authorizations, codes, decrees, demands, or demand letters, injunctions, judgments,
licenses, notices or notice letters, orders, permits, plans or regulations, issued, entered, promulgated or approved thereunder
(“Environmental Laws”); (ii) have received all permits licenses or other approvals required of them under applicable
Environmental Laws to conduct their respective businesses; and (iii) are in compliance with all terms and conditions of any such
permit, license or approval where in each clause (i), (ii) and (iii), the failure to so comply could be reasonably expected to
have, individually or in the aggregate, a Material Adverse Effect.


 




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(n)
Regulatory Permits. The Company and the Subsidiaries possess all certificates, authorizations and permits issued by the
appropriate federal, state, local or foreign regulatory authorities necessary to conduct their respective businesses, except where
the failure to possess such permits could not reasonably be expected to result in a Material Adverse Effect (“Material
Permits”), and neither the Company nor any Subsidiary has received any notice of proceedings relating to the revocation
or modification of any Material Permit.


 


(o)
Title to Assets. The Company and the Subsidiaries have good and marketable title in fee simple to all real property owned
by them and good and marketable title in all personal property owned by them that is material to the business of the Company and
the Subsidiaries, in each case free and clear of all Liens, except for (i) Liens as do not materially affect the value of such
property and do not materially interfere with the use made and proposed to be made of such property by the Company and the Subsidiaries
and (ii) Liens for the payment of federal, state or other taxes, for which appropriate reserves have been made therefor in accordance
with GAAP and, the payment of which is neither delinquent nor subject to penalties. Any real property and facilities held under
lease by the Company and the Subsidiaries are held by them under valid, subsisting and enforceable leases with which the Company
and the Subsidiaries are in compliance.


 


(p)
Intellectual Property. The Company and the Subsidiaries have, or have rights to use, all patents, patent applications,
trademarks, trademark applications, service marks, trade names, trade secrets, inventions, copyrights, licenses and other intellectual
property rights and similar rights necessary or required for use in connection with their respective businesses and which the
failure to so have could have a Material Adverse Effect (collectively, the “Intellectual Property Rights”).
None of, and neither the Company nor any Subsidiary has received a notice (written or otherwise) that any of, the Intellectual
Property Rights has expired, terminated or been abandoned, or is expected to expire or terminate or be abandoned, within two (2)
years from the date of this Agreement. Neither the Company nor any Subsidiary has received, since the date of the latest audited
financial statements, a written notice of a claim or otherwise has any knowledge that the Intellectual Property Rights violate
or infringe upon the rights of any Person, except as could not have or reasonably be expected to not have a Material Adverse Effect.
To the knowledge of the Company, all such Intellectual Property Rights are enforceable and there is no existing infringement by
another Person of any of the Intellectual Property Rights. The Company and its Subsidiaries have taken reasonable security measures
to protect the secrecy, confidentiality and value of all of their intellectual properties, except where failure to do so could
not, individually or in the aggregate, reasonably be expected to have a Material Adverse Effect.


 


(q)
Insurance. The Company and the Subsidiaries are insured by insurers of recognized financial responsibility against such
losses and risks and in such amounts as are prudent and customary in the businesses in which the Company and the Subsidiaries
are engaged, including, but not limited to, directors and officers insurance coverage. Neither the Company nor any Subsidiary
has any reason to believe that it will not be able to renew its existing insurance coverage as and when such coverage expires
or to obtain similar coverage from similar insurers as may be necessary to continue its business without a significant increase
in cost.


 




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(r)
Transactions with Affiliates and Employees. None of the officers or directors of the Company or any Subsidiary and, to
the knowledge of the Company, none of the employees of the Company or any Subsidiary is presently a party to any transaction with
the Company or any Subsidiary (other than for services as employees, officers and directors), including any contract, agreement
or other arrangement providing for the furnishing of services to or by, providing for rental of real or personal property to or
from, providing for the borrowing of money from or lending of money to or otherwise requiring payments to or from any officer,
director or such employee or, to the knowledge of the Company, any entity in which any officer, director, or any such employee
has a substantial interest or is an officer, director, trustee, stockholder, member or partner, in each case in excess of $120,000
other than for (i) payment of salary or consulting fees for services rendered, (ii) reimbursement for expenses incurred on behalf
of the Company and (iii) other employee benefits, including stock option agreements under any stock option plan of the Company.


 


(s)
Internal Accounting Controls. The Company and the Subsidiaries maintain a system of internal accounting controls sufficient
to provide reasonable assurance that: (i) transactions are executed in accordance with management’s general or specific
authorizations, (ii) transactions are recorded as necessary to permit preparation of financial statements in conformity with GAAP
and to maintain asset accountability, (iii) access to assets is permitted only in accordance with management’s general or
specific authorization, and (iv) the recorded accountability for assets is compared with the existing assets at reasonable intervals
and appropriate action is taken with respect to any differences.


 


(t)
Certain Fees. No brokerage or finder’s fees or commissions are or will be payable by the Company or any Subsidiary
to any broker, financial advisor or consultant, finder, placement agent, investment banker, bank or other Person other than GreenBlock
Capital LLC with respect to the transactions contemplated by the Transaction Documents. The Purchasers shall have no obligation
with respect to any fees or with respect to any claims made by or on behalf of other Persons for fees of a type contemplated in
this Section that may be due in connection with the transactions contemplated by the Transaction Documents.


 


(u)
Private Placement. Assuming the accuracy of the Purchasers’ representations and warranties set forth in Section 3.2,
no registration under the Securities Act is required for the offer and sale of the Securities by the Company to the Purchasers
as contemplated hereby.


 




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(v)
Investment Company. The Company is not, and is not an Affiliate of, and immediately after receipt of payment for the Securities,
will not be or be an Affiliate of, an “investment company” within the meaning of the Investment Company Act of 1940,
as amended. The Company shall conduct its business in a manner so that it will not become an “investment company”
subject to registration under the Investment Company Act of 1940, as amended.


 


(w)
RESERVED.


 


(x)
RESERVED.


 


(y)
Application of Takeover Protections. The Company and the Board of Directors have taken all necessary action, if any, in
order to render inapplicable any control share acquisition, business combination, poison pill (including any distribution under
a rights agreement) or other similar anti-takeover provision under the Company’s certificate of incorporation (or similar
charter documents) or the laws of its state of incorporation that is or could become applicable to the Purchasers as a result
of the Purchasers and the Company fulfilling their obligations or exercising their rights under the Transaction Documents, including
without limitation as a result of the Company’s issuance of the Securities and the Purchasers’ ownership of the Securities.


 


(z)
Disclosure. To the knowledge of the Company, all of the disclosure furnished by or on behalf of the Company to the Purchasers
regarding the Company and its Subsidiaries, their respective businesses and the transactions contemplated hereby, including the
Disclosure Schedules to this Agreement, is true and correct in all material respects and does not contain any untrue statement
of a material fact or omit to state any material fact necessary in order to make the statements made therein, in the light of
the circumstances under which they were made, not misleading. The press releases disseminated by the Company during the twelve
months preceding the date of this Agreement taken as a whole do not contain any untrue statement of a material fact or omit to
state a material fact required to be stated therein or necessary in order to make the statements therein, in the light of the
circumstances under which they were made and when made, not misleading. The Company acknowledges and agrees that no Purchaser
makes or has made any representations or warranties with respect to the transactions contemplated hereby other than those specifically
set forth in Section 3.2 hereof.


 


(aa)
No Integrated Offering. Assuming the accuracy of the Purchasers’ representations and warranties set forth in Section
3.2, neither the Company, nor any of its Affiliates, nor any Person acting on its or their behalf has, directly or indirectly,
made any offers or sales of any security or solicited any offers to buy any security, under circumstances that would cause this
offering of the Securities to be integrated with prior offerings by the Company for purposes of the Securities Act which would
require the registration of any such securities under the Securities Act.


 




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(bb)
Solvency. Based on the consolidated financial condition of the Company as of the Closing Date, after giving effect to the
receipt by the Company of the proceeds from the sale of the Securities hereunder (i) the fair saleable value of the Company’s
assets exceeds the amount that will be required to be paid on or in respect of the Company’s existing debts and other liabilities
(including known contingent liabilities) as they mature, (ii) the Company’s assets do not constitute unreasonably small
capital to carry on its business as now conducted and as proposed to be conducted including its capital needs taking into account
the particular capital requirements of the business conducted by the Company, consolidated and projected capital requirements
and capital availability thereof, and (iii) the current cash flow of the Company, together with the proceeds the Company would
receive, were it to liquidate all of its assets, after taking into account all anticipated uses of the cash, would be sufficient
to pay all amounts on or in respect of its liabilities when such amounts are required to be paid. The Company does not intend
to incur debts beyond its ability to pay such debts as they mature (taking into account the timing and amounts of cash to be payable
on or in respect of its debt). The Company has no knowledge of any facts or circumstances which lead it to believe that it will
file for reorganization or liquidation under the bankruptcy or reorganization laws of any jurisdiction within one year from the
Closing Date. Schedule 3.1(bb) sets forth as of the date hereof all outstanding secured and unsecured Indebtedness of the
Company or any Subsidiary, or for which the Company or any Subsidiary has commitments. For the purposes of this Agreement, “Indebtedness”
means (x) any liabilities for borrowed money or amounts owed in excess of $50,000 (other than trade accounts payable incurred
in the ordinary course of business), (y) all guaranties, endorsements and other contingent obligations in respect of indebtedness
of others, whether or not the same are or should be reflected in the Company’s consolidated balance sheet (or the notes
thereto), except guaranties by endorsement of negotiable instruments for deposit or collection or similar transactions in the
ordinary course of business; and (z) the present value of any lease payments in excess of $50,000 due under leases required to
be capitalized in accordance with GAAP. Neither the Company nor any Subsidiary is in default with respect to any Indebtedness.


 


(cc)
Tax Status. Except for matters that would not, individually or in the aggregate, have or reasonably be expected to result
in a Material Adverse Effect, the Company and its Subsidiaries each (i) has made or filed all United States federal, state and
local income and all foreign income and franchise tax returns, reports and declarations required by any jurisdiction to which
it is subject, (ii) has paid all taxes and other governmental assessments and charges that are material in amount, shown or determined
to be due on such returns, reports and declarations and (iii) has set aside on its books provision reasonably adequate for the
payment of all material taxes for periods subsequent to the periods to which such returns, reports or declarations apply. There
are no unpaid taxes in any material amount claimed to be due by the taxing authority of any jurisdiction, and the officers of
the Company or of any Subsidiary know of no basis for any such claim.


 




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(dd)
No General Solicitation. Neither the Company nor any Person acting on behalf of the Company has offered or sold any of
the Securities by any form of general solicitation or general advertising. The Company has offered the Securities for sale only
to the Purchasers and certain other “accredited investors” within the meaning of Rule 501 under the Securities Act.


 


(ee)
Foreign Corrupt Practices. Neither the Company nor any Subsidiary, nor to the knowledge of the Company or any Subsidiary,
any agent or other person acting on behalf of the Company or any Subsidiary, has (i) directly or indirectly, used any funds for
unlawful contributions, gifts, entertainment or other unlawful expenses related to foreign or domestic political activity, (ii)
made any unlawful payment to foreign or domestic government officials or employees or to any foreign or domestic political parties
or campaigns from corporate funds, (iii) failed to disclose fully any contribution made by the Company or any Subsidiary (or made
by any person acting on its behalf of which the Company is aware) which is in violation of law or (iv) violated in any material
respect any provision of FCPA.


 


(ff)
Accountants. The Company’s accounting firm is Squar Milner LLP. To the knowledge and belief of the Company, such
accounting firm (i) is a registered public accounting firm as required by the Exchange Act and (ii) shall express its opinion
with respect to the financial statements to be included in the Company’s annual audited financial statements for the fiscal
year ending 2019.


 


(gg)
RESERVED.


 


(hh)
No Disagreements with Accountants and Lawyers. There are no disagreements of any kind presently existing, or reasonably
anticipated by the Company to arise, between the Company and the accountants and lawyers formerly or presently employed by the
Company and the Company is not in past-due status with respect to any fees owed to its accountants and lawyers which past-due
status as to such fees could affect the Company’s ability to perform any of its obligations under any of the Transaction
Documents.


 


(ii)
Acknowledgment Regarding Purchasers’ Purchase of Securities. The Company acknowledges and agrees that each of the
Purchasers is acting solely in the capacity of an arm’s length purchaser with respect to the Transaction Documents and the
transactions contemplated thereby. The Company further acknowledges that no Purchaser is acting as a financial advisor or fiduciary
of the Company (or in any similar capacity) with respect to the Transaction Documents and the transactions contemplated thereby
and any advice given by any Purchaser or any of their respective representatives or agents in connection with the Transaction
Documents and the transactions contemplated thereby is merely incidental to the Purchasers’ purchase of the Securities.
The Company further represents to each Purchaser that the Company’s decision to enter into this Agreement and the other
Transaction Documents has been based solely on the independent evaluation of the transactions contemplated hereby by the Company
and its representatives.


 




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(jj)
RESERVED.


 


(kk)
RESERVED.


 


(ll)
FDA. As to each product subject to the jurisdiction of the U.S. Food and Drug Administration (“FDA”)
under the Federal Food, Drug and Cosmetic Act, as amended, and the regulations thereunder (“FDCA”) that is
manufactured, packaged, labeled, tested, distributed, sold, and/or marketed by the Company or any of its Subsidiaries (each such
product, a “Pharmaceutical Product”), such Pharmaceutical Product is being manufactured, packaged, labeled,
tested, distributed, sold and/or marketed by the Company in compliance with all applicable requirements under FDCA and similar
laws, rules and regulations relating to registration, investigational use, premarket clearance, licensure, or application approval,
good manufacturing practices, good laboratory practices, good clinical practices, product listing, quotas, labeling, advertising,
record keeping and filing of reports, except where the failure to be in compliance would not have a Material Adverse Effect. There
is no pending, completed or, to the Company’s knowledge, threatened, action (including any lawsuit, arbitration, or legal
or administrative or regulatory proceeding, charge, complaint, or investigation) against the Company or any of its Subsidiaries,
and none of the Company or any of its Subsidiaries has received any notice, warning letter or other communication from the FDA
or any other governmental entity, which (i) contests the premarket clearance, licensure, registration, or approval of, the uses
of, the distribution of, the manufacturing or packaging of, the testing of, the sale of, or the labeling and promotion of any
Pharmaceutical Product, (ii) withdraws its approval of, requests the recall, suspension, or seizure of, or withdraws or orders
the withdrawal of advertising or sales promotional materials relating to, any Pharmaceutical Product, (iii) imposes a clinical
hold on any clinical investigation by the Company or any of its Subsidiaries, (iv) enjoins production at any facility of the Company
or any of its Subsidiaries, (v) enters or proposes to enter into a consent decree of permanent injunction with the Company or
any of its Subsidiaries, or (vi) otherwise alleges any violation of any laws, rules or regulations by the Company or any of its
Subsidiaries, and which, either individually or in the aggregate, would have a Material Adverse Effect. The
properties, business and operations of the Company have been and are being conducted in all material respects in accordance with
all applicable laws, rules and regulations of the FDA. The Company has not been informed by the FDA that the FDA will prohibit
the marketing, sale, license or use in the United States of any product proposed to be developed, produced or marketed by the
Company nor has the FDA expressed any concern as to approving or clearing for marketing any product being developed or proposed
to be developed by the Company.


 


(mm)
RESERVED.


 




    	20



     


    

 


(nn)
Stock Option Plans. Each stock option granted by the Company under the Company’s stock option plan was granted (i)
in accordance with the terms of the Company’s stock option plan and (ii) with an exercise price at least equal to the fair
market value of the Common Stock on the date such stock option would be considered granted under GAAP and applicable law. No stock
option granted under the Company’s stock option plan has been backdated. The Company has not knowingly granted, and there
is no and has been no Company policy or practice to knowingly grant, stock options prior to, or otherwise knowingly coordinate
the grant of stock options with, the release or other public announcement of material information regarding the Company or its
Subsidiaries or their financial results or prospects.


 


(oo)
Office of Foreign Assets Control. Neither the Company nor any Subsidiary nor, to the Company’s knowledge, any director,
officer, agent, employee or affiliate of the Company or any Subsidiary is currently subject to any U.S. sanctions administered
by the Office of Foreign Assets Control of the U.S. Treasury Department (“OFAC”).


 


(pp)
U.S. Real Property Holding Corporation. The Company is not and has never been a U.S. real property holding corporation
within the meaning of Section 897 of the Internal Revenue Code of 1986, as amended, and the Company shall so certify upon Purchaser’s
request.


 


(qq)
Bank Holding Company Act. Neither the Company nor any of its Subsidiaries or Affiliates is subject to the Bank Holding
Company Act of 1956, as amended (the “BHCA”) and to regulation by the Board of Governors of the Federal Reserve
System (the “Federal Reserve”). Neither the Company nor any of its Subsidiaries or Affiliates owns or controls,
directly or indirectly, five percent (5%) or more of the outstanding shares of any class of voting securities or twenty-five percent
or more of the total equity of a bank or any entity that is subject to the BHCA and to regulation by the Federal Reserve. Neither
the Company nor any of its Subsidiaries or Affiliates exercises a controlling influence over the management or policies of a bank
or any entity that is subject to the BHCA and to regulation by the Federal Reserve.


 


(rr)
Money Laundering. The operations of the Company and its Subsidiaries are and have been conducted at all times in compliance
with applicable financial record-keeping and reporting requirements of the Currency and Foreign Transactions Reporting Act of
1970, as amended, applicable money laundering statutes and applicable rules and regulations thereunder (collectively, the “Money
Laundering Laws”), and no Action or Proceeding by or before any court or governmental agency, authority or body or any
arbitrator involving the Company or any Subsidiary with respect to the Money Laundering Laws is pending or, to the knowledge of
the Company or any Subsidiary, threatened.


 




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(ss)
No Disqualification Events. With respect to the Securities to be offered and sold hereunder in reliance on Rule 506 under
the Securities Act, none of the Company, any of its predecessors, any affiliated issuer, any director, executive officer, other
officer of the Company participating in the offering hereunder, any beneficial owner of 20% or more of the Company’s outstanding
voting equity securities, calculated on the basis of voting power, nor any promoter (as that term is defined in Rule 405 under
the Securities Act) connected with the Company in any capacity at the time of sale (each, an “Issuer Covered Person”
and, together, “Issuer Covered Persons”) is subject to any of the “Bad Actor” disqualifications
described in Rule 506(d)(1)(i) to (viii) under the Securities Act (a “Disqualification Event”), except for
a Disqualification Event covered by Rule 506(d)(2) or (d)(3). The Company has exercised reasonable care to determine whether any
Issuer Covered Person is subject to a Disqualification Event. The Company has complied, to the extent applicable, with its disclosure
obligations under Rule 506(e), and has furnished to the Purchasers a copy of any disclosures provided thereunder.


 


(tt)
Other Covered Persons. The Company is not aware of any person (other than GreenBlock Capital LLC or any Issuer Covered
Person) that has been or will be paid (directly or indirectly) remuneration for solicitation of purchasers in connection with
the sale of any Securities.


 


(uu)
Notice of Disqualification Events. The Company will notify the Purchasers in writing, prior to the Closing Date of (i)
any Disqualification Event relating to any Issuer Covered Person and (ii) any event that would, with the passage of time, become
a Disqualification Event relating to any Issuer Covered Person.


 


3.2
Representations and Warranties of the Purchasers. Each Purchaser, for itself and for no other Purchaser, hereby represents
and warrants as of the date hereof and as of the Closing Date to the Company as follows (unless as of a specific date therein,
in which case they shall be accurate as of such date):


 


(a)
Organization; Authority. Such Purchaser is either an individual or an entity duly incorporated or formed, validly existing
and in good standing under the laws of the jurisdiction of its incorporation or formation with full right, corporate, partnership,
limited liability company or similar power and authority to enter into and to consummate the transactions contemplated by the
Transaction Documents and otherwise to carry out its obligations hereunder and thereunder. The execution and delivery of the Transaction
Documents and performance by such Purchaser of the transactions contemplated by the Transaction Documents have been duly authorized
by all necessary corporate, partnership, limited liability company or similar action, as applicable, on the part of such Purchaser.
Each Transaction Document to which it is a party has been duly executed by such Purchaser, and when delivered by such Purchaser
in accordance with the terms hereof, will constitute the valid and legally binding obligation of such Purchaser, enforceable against
it in accordance with its terms, except (i) as limited by general equitable principles and applicable bankruptcy, insolvency,
reorganization, moratorium and other laws of general application affecting enforcement of creditors’ rights generally, (ii)
as limited by laws relating to the availability of specific performance, injunctive relief or other equitable remedies and (iii)
insofar as indemnification and contribution provisions may be limited by applicable law.


 




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(b)
Own Account. Such Purchaser understands that the Securities are “restricted securities” and have not been registered
under the Securities Act or any applicable state securities law and is acquiring the Securities as principal for its own account
and not with a view to or for distributing or reselling such Securities or any part thereof in violation of the Securities Act
or any applicable state securities law, has no present intention of distributing any of such Securities in violation of the Securities
Act or any applicable state securities law and has no direct or indirect arrangement or understandings with any other persons
to distribute or regarding the distribution of such Securities in violation of the Securities Act or any applicable state securities
law (this representation and warranty not limiting such Purchaser’s right to sell the Securities in compliance with applicable
federal and state securities laws). Such Purchaser is acquiring the Securities hereunder in the ordinary course of its business.


 


(c)
Purchaser Status. At the time such Purchaser was offered the Securities, it was, and as of the date hereof it is, and on
each date on which it exercises any Warrants or converts any shares of Series Alpha Preferred Stock, it will be either: (i) an
“accredited investor” as defined in Rule 501(a)(1), (a)(2), (a)(3), (a)(7) or (a)(8) under the Securities Act or (ii)
a “qualified institutional buyer” as defined in Rule 144A(a) under the Securities Act.


 


(d)
Experience of Such Purchaser. Such Purchaser, either alone or together with its representatives, has such knowledge, sophistication
and experience in business and financial matters so as to be capable of evaluating the merits and risks of the prospective investment
in the Securities, and has so evaluated the merits and risks of such investment. Such Purchaser is able to bear the economic risk
of an investment in the Securities and, at the present time, is able to afford a complete loss of such investment.


 


(e)
General Solicitation. Such Purchaser is not, to such Purchaser’s knowledge, purchasing the Securities as a result
of any advertisement, article, notice or other communication regarding the Securities published in any newspaper, magazine or
similar media or broadcast over television or radio or presented at any seminar or, to the knowledge of such Purchaser, any other
general solicitation or general advertisement.


 


The
Company acknowledges and agrees that the representations contained in this Section 3.2 shall not modify, amend or affect such
Purchaser’s right to rely on the Company’s representations and warranties contained in this Agreement or any representations
and warranties contained in any other Transaction Document or any other document or instrument executed and/or delivered in connection
with this Agreement or the consummation of the transactions contemplated hereby.


 




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ARTICLE
IV.


OTHER
AGREEMENTS OF THE PARTIES


 


4.1
Transfer Restrictions.


 


(a)
The Securities may only be disposed of in compliance with state and federal securities laws. In connection with any transfer of
Securities other than pursuant to an effective registration statement or Rule 144, to the Company or to an Affiliate of a Purchaser
or in connection with a pledge as contemplated in Section 4.1(b), the Company may require the transferor thereof to provide to
the Company an opinion of counsel selected by the transferor and reasonably acceptable to the Company, the form and substance
of which opinion shall be reasonably satisfactory to the Company, to the effect that such transfer does not require registration
of such transferred Securities under the Securities Act. As a condition of transfer, any such transferee shall agree in writing
to be bound by the terms of this Agreement and shall have the rights and obligations of a Purchaser under this Agreement.


 


(b)
The Purchasers agree to the imprinting, so long as is required by this Section 4.1, of a legend on any of the Securities in the
following form:


 


[NEITHER]
THIS SECURITY [NOR THE SECURITIES INTO WHICH THIS SECURITY IS [EXERCISABLE] [CONVERTIBLE]] HAS [NOT] 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 SECURITIES LAWS. THIS
SECURITY [AND THE SECURITIES ISSUABLE UPON [EXERCISE] [CONVERSION] OF THIS SECURITY] MAY BE PLEDGED IN CONNECTION WITH A BONA
FIDE MARGIN ACCOUNT WITH A REGISTERED BROKER-DEALER OR OTHER LOAN WITH A FINANCIAL INSTITUTION THAT IS AN “ACCREDITED INVESTOR”
AS DEFINED IN RULE 501(a) UNDER THE SECURITIES ACT OR OTHER LOAN SECURED BY SUCH SECURITIES.


 


The
Company acknowledges and agrees that a Purchaser may from time to time pledge pursuant to a bona fide margin agreement with a
registered broker-dealer or grant a security interest in some or all of the Securities to a financial institution that is an “accredited
investor” as defined in Rule 501(a) under the Securities Act and, if required under the terms of such arrangement, such
Purchaser may transfer pledged or secured Securities to the pledgees or secured parties. Such a pledge or transfer would not be
subject to approval of the Company and no legal opinion of legal counsel of the pledgee, secured party or pledgor shall be required
in connection therewith. Further, no notice shall be required of such pledge. At the appropriate Purchaser’s expense, the
Company will execute and deliver such reasonable documentation as a pledgee or secured party of Securities may reasonably request
in connection with a pledge or transfer of the Securities.


 




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(c)
Certificates evidencing the Underlying Shares shall not contain any legend (including the legend set forth in Section 4.1(b) hereof):
(i) while a registration statement covering the resale of such security is effective under the Securities Act, (ii) following
any sale of such Underlying Shares pursuant to Rule 144 (assuming cashless exercise of the Warrants), (iii) if such Underlying
Shares are eligible for sale under Rule 144 (assuming cashless exercise of the Warrants), without the requirement for the Company
to be in compliance with the current public information required under Rule 144 as to such Underlying Shares and without volume
or manner-of-sale restrictions or (iv) if such legend is not required under applicable requirements of the Securities Act (including
judicial interpretations and pronouncements issued by the staff of the Commission). The Company shall cause its counsel to issue
a legal opinion to the Transfer Agent or the Purchaser promptly after the Effective Date if required by the Transfer Agent to
effect the removal of the legend hereunder, or if requested by a Purchaser, respectively. If all or any shares of Series Alpha
Preferred Stock are converted or any portion of a Warrant is exercised at a time when there is an effective registration statement
to cover the resale of the Underlying Shares, or if such Underlying Shares may be sold under Rule 144 and the Company is then
in compliance with the current public information required under Rule 144, or if the Underlying Shares may be sold under Rule
144 (assuming cashless exercise of the Warrants) without the requirement for the Company to be in compliance with the current
public information required under Rule 144 as to such Underlying Shares and without volume or manner-of-sale restrictions or if
such legend is not otherwise required under applicable requirements of the Securities Act (including judicial interpretations
and pronouncements issued by the staff of the Commission) then such Underlying Shares shall be issued free of all legends. The
Company agrees that following the Effective Date or at such time as such legend is no longer required under this Section 4.1(c),
it will, no later than the earlier of (i) two (2) Trading Days and (ii) the number of Trading Days comprising the Standard Settlement
Period (as defined below) following the delivery by a Purchaser to the Company or the Transfer Agent of a certificate representing
Underlying Shares, as applicable, issued with a restrictive legend (such date, the “Legend Removal Date”),
deliver or cause to be delivered to such Purchaser a certificate representing such shares that is free from all restrictive and
other legends. The Company may not make any notation on its records or give instructions to the Transfer Agent that enlarge the
restrictions on transfer set forth in this Section 4. Certificates for Underlying Shares subject to legend removal hereunder shall
be transmitted by the Transfer Agent to the Purchaser by crediting the account of the Purchaser’s prime broker with the
Depository Trust Company System as directed by such Purchaser. As used herein, “Standard Settlement Period”
means the standard settlement period, expressed in a number of Trading Days, on the Company’s primary Trading Market with
respect to the Common Stock as in effect on the date of delivery of a certificate representing Underlying Shares, as applicable,
issued with a restrictive legend.


 




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(d)
In addition to such Purchaser’s other available remedies, the Company shall pay to a Purchaser, in cash, (i) as partial
liquidated damages and not as a penalty, for each $1,000 of Underlying Shares (based on the VWAP of the Common Stock on the date
such Securities are submitted to the Transfer Agent) delivered for removal of the restrictive legend and subject to Section 4.1(c),
$10 per Trading Day (increasing to $20 per Trading Day five (5) Trading Days after such damages have begun to accrue) for each
Trading Day after the Legend Removal Date until such certificate is delivered without a legend and (ii) if the Company fails to
(a) issue and deliver (or cause to be delivered) to a Purchaser by the Legend Removal Date a certificate representing the Securities
so delivered to the Company by such Purchaser that is free from all restrictive and other legends and (b) if after the Legend
Removal Date such Purchaser purchases (in an open market transaction or otherwise) shares of Common Stock to deliver in satisfaction
of a sale by such Purchaser of all or any portion of the number of shares of Common Stock, or a sale of a number of shares of
Common Stock equal to all or any portion of the number of shares of Common Stock that such Purchaser anticipated receiving from
the Company without any restrictive legend, then, an amount equal to the excess of such Purchaser’s total purchase price
(including brokerage commissions and other out-of-pocket expenses, if any) for the shares of Common Stock so purchased (including
brokerage commissions and other out-of-pocket expenses, if any) (the “Buy-In Price”)
over the product of (x) such number of Underlying Shares that the Company was required to deliver to such Purchaser by the Legend
Removal Date multiplied by (y) the lowest closing sale price of the Common Stock on any Trading Day during the period commencing
on the date of the delivery by such Purchaser to the Company of the applicable Underlying Shares (as the case may be) and ending
on the date of such delivery and payment under this clause (ii).


 


(e)
Each Purchaser, severally and not jointly with the other Purchasers, agrees with the Company that such Purchaser will sell (if
at all and if ever) any Securities pursuant to either the registration requirements of the Securities Act, including any applicable
prospectus delivery requirements, or an exemption therefrom, and that if Securities are sold pursuant to a registration statement,
they will be sold in compliance with the plan of distribution set forth therein, and acknowledges that the removal of the restrictive
legend from certificates representing Securities as set forth in this Section 4.1 is predicated upon the Company’s reliance
upon this understanding.


 


4.2
Acknowledgment of Dilution. The Company acknowledges that the issuance of the Securities may result in dilution of the
outstanding shares of Common Stock, which dilution may be substantial under certain market conditions. The Company further acknowledges
that its obligations under the Transaction Documents, including, without limitation, its obligation to issue the Underlying Shares
pursuant to the Transaction Documents, are unconditional and absolute and not subject to any right of set off, counterclaim, delay
or reduction, regardless of the effect of any such dilution or any claim the Company may have against any Purchaser and regardless
of the dilutive effect that such issuance may have on the ownership of the other stockholders of the Company.


 




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4.3
Commitment Fee; Warrants.


 


(a)
As additional consideration, the Company agrees to issue the Commitment Shares to Alpha at the Closing.


 


(b)
As additional consideration, the Company agrees to issue the Warrants to Alpha at the Closing.


 


4.4
Integration. The Company shall not sell, offer for sale or solicit offers to buy or otherwise negotiate in respect of any
security (as defined in Section 2 of the Securities Act) that would be integrated with the offer or sale of the Securities in
a manner that would require the registration under the Securities Act of the sale of the Securities or that would be integrated
with the offer or sale of the Securities for purposes of the rules and regulations of any Trading Market such that it would require
shareholder approval prior to the closing of such other transaction unless shareholder approval is obtained before the closing
of such subsequent transaction.


 


4.5
Conversion and Exercise Procedures. Each of the form of Notice of Exercise included in the Warrants and the form of Notice
of Conversion included in the Certificate of Designation set forth the totality of the procedures required of the Purchasers in
order to exercise the Warrants or convert the Series Alpha Preferred Stock. Without limiting the preceding sentences, no ink-original
Notice of Exercise or Notice of Conversion shall be required, nor shall any medallion guarantee (or other type of guarantee or
notarization) of any Notice of Exercise or Notice of Conversion form be required in order to exercise the Warrants or convert
the Series Alpha Preferred Stock. No additional legal opinion, other information or instructions shall be required of the Purchasers
to exercise their Warrants or convert their Series Alpha Preferred Stock. The Company shall honor exercises of the Warrants and
conversions of the Series Alpha Preferred Stock and shall deliver Underlying Shares in accordance with the terms, conditions and
time periods set forth in the Transaction Documents.


 


4.6
RESERVED.


 


4.7
Shareholder Rights Plan. No claim will be made or enforced by the Company or, with the consent of the Company, any other
Person, that any Purchaser is an “Acquiring Person” under any control share acquisition, business combination,
poison pill (including any distribution under a rights agreement) or similar anti-takeover plan or arrangement in effect or hereafter
adopted by the Company, or that any Purchaser could be deemed to trigger the provisions of any such plan or arrangement, by virtue
of receiving Securities under the Transaction Documents or under any other agreement between the Company and the Purchasers.


 


4.8
RESERVED.


 




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4.9
Use of Proceeds. The Company shall use the net proceeds from the sale of the Securities hereunder for working capital purposes
and shall not use such proceeds: (a) for the satisfaction of any portion of the Company’s debt (other than to pay Sekisui
Diagnostics, LLC the $890,000 plus any accrued interest for the R&D Payment and Sekisui Vitamin D Costs as defined in and
owed pursuant to the Letter of Intent dated March 16, 2018 (as amended August 22, 2018) between Sekisui Diagnostics, LLC and the
Company and other than payment of trade payables in the ordinary course of the Company’s business and prior practices (including
a $100,000 license agreement milestone payment to Advanced Cancer Therapeutics, LLC)), (b) for the redemption of any Common Stock
or Common Stock Equivalents, (c) for the settlement of any outstanding litigation or (d) in violation of FCPA or OFAC regulations.


 


4.10
Indemnification of Purchasers. Subject to the provisions of this Section 4.10, the Company will indemnify and hold each
Purchaser and its directors, officers, shareholders, members, partners, employees and agents (and any other Persons with a functionally
equivalent role of a Person holding such titles notwithstanding a lack of such title or any other title), each Person who controls
such Purchaser (within the meaning of Section 15 of the Securities Act and Section 20 of the Exchange Act), and the directors,
officers, shareholders, agents, members, partners or employees (and any other Persons with a functionally equivalent role of a
Person holding such titles notwithstanding a lack of such title or any other title) of such controlling persons (each, a “Purchaser
Party”) harmless from any and all losses, liabilities, obligations, claims, contingencies, damages, costs and expenses,
including all judgments, amounts paid in settlements, court costs and reasonable attorneys’ fees and costs of investigation
that any such Purchaser Party may suffer or incur as a result of or relating to (a) any breach of any of the representations,
warranties, covenants or agreements made by the Company in this Agreement or in the other Transaction Documents or (b) any action
instituted against the Purchaser Parties in any capacity, or any of them or their respective Affiliates, by any stockholder of
the Company who is not an Affiliate of such Purchaser Party, with respect to any of the transactions contemplated by the Transaction
Documents (unless such action is solely based upon a material breach of such Purchaser Party’s representations, warranties
or covenants under the Transaction Documents or any agreements or understandings such Purchaser Party may have with any such stockholder
or any violations by such Purchaser Party of state or federal securities laws or any conduct by such Purchaser Party which is
finally judicially determined to constitute fraud, gross negligence or willful misconduct). If any action shall be brought against
any Purchaser Party in respect of which indemnity may be sought pursuant to this Agreement, such Purchaser Party shall promptly
notify the Company in writing, and the Company shall have the right to assume the defense thereof (with settlement rights) with
counsel of its own choosing reasonably acceptable to the Purchaser Party. Any Purchaser Party shall have the right to employ separate
counsel in any such action and participate in the defense thereof, but the fees and expenses of such counsel shall be at the expense
of such Purchaser Party except to the extent that (i) the employment thereof has been specifically authorized by the Company in
writing, (ii) the Company has failed after a reasonable period of time to assume such defense and to employ counsel or (iii) in
such action there is, in the reasonable opinion of counsel, a material conflict on any material issue between the position of
the Company and the position of such Purchaser Party, in which case the Company shall be responsible for the reasonable fees and
expenses of no more than one such separate counsel. The Company will not be liable to any Purchaser Party under this Agreement
(y) for any settlement by a Purchaser Party effected without the Company’s prior written consent, which shall not be unreasonably
withheld or delayed; or (z) to the extent, but only to the extent that a loss, claim, damage or liability is attributable to any
Purchaser Party’s breach of any of the representations, warranties, covenants or agreements made by such Purchaser Party
in this Agreement or in the other Transaction Documents. The indemnification required by this Section 4.10 shall be made by periodic
payments of the amount thereof during the course of the investigation or defense, as and when bills are received or are incurred.
The indemnity agreements contained herein shall be in addition to any cause of action or similar right of any Purchaser Party
against the Company or others and any liabilities the Company may be subject to pursuant to law.


 




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4.11
Reservation of Securities.


 


(a)
The Company shall maintain a reserve of the Required Minimum from its duly authorized shares of Common Stock for issuance pursuant
to the Transaction Documents in such amount as may then be required to fulfill its obligations in full under the Transaction Documents.


 


(b)
If, on any date, the number of authorized but unissued (and otherwise unreserved) shares of Common Stock is less than 130% of
(i) the Required Minimum on such date, minus (ii) the number of shares of Common Stock previously issued pursuant to the Transaction
Documents, then the Board of Directors shall use commercially reasonable efforts to amend the Company’s certificate or articles
of incorporation to increase the number of authorized but unissued shares of Common Stock to at least the Required Minimum at
such time (minus the number of shares of Common Stock previously issued pursuant to the Transaction Documents), as soon as possible
and in any event not later than the 75th day after such date, provided that the Company will not be required at any
time to authorize a number of shares of Common Stock greater than the maximum remaining number of shares of Common Stock that
could possibly be issued after such time pursuant to the Transaction Documents.


 


4.12
Participation in Future Financing.


 


(a)
From the date hereof until the date that is the 18 month anniversary of the Effective Date, upon any issuance by the Company or
any of its Subsidiaries of Common Stock or Common Stock Equivalents for cash consideration, Indebtedness or a combination of units
thereof (a “Subsequent Financing”), each Purchaser shall have the right to participate in up to an amount of
the Subsequent Financing equal to the greater of (a) a percentage of the Subsequent Financing equal to such Purchaser’s
then percentage ownership of outstanding Common Stock on a fully-diluted basis (with such percentage being calculated using the
meaning of “fully-diluted” contemplated in the computation of the Merger Agreement’s “Exchange Ratio”),
or (b) $5,000,000 (the “Participation Maximum”) on the same terms, conditions and price provided for in the
Subsequent Financing.


 




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(b)
At least five (5) Trading Days prior to the closing of the Subsequent Financing, the Company shall deliver to each Purchaser a
written notice of its intention to effect a Subsequent Financing (“Pre-Notice”), which Pre-Notice shall ask
such Purchaser if it wants to review the details of such financing (such additional notice, a “Subsequent Financing Notice”).
Upon the request of a Purchaser, and only upon a request by such Purchaser, for a Subsequent Financing Notice, the Company shall
promptly, but no later than one (1) Trading Day after such request, deliver a Subsequent Financing Notice to such Purchaser. The
Subsequent Financing Notice shall describe in reasonable detail the proposed terms of such Subsequent Financing, the amount of
proceeds intended to be raised thereunder and the Person or Persons through or with whom such Subsequent Financing is proposed
to be effected and shall include a term sheet or similar document relating thereto as an attachment.


 


(c)
Any Purchaser desiring to participate in such Subsequent Financing must provide written notice to the Company by not later than
5:30 p.m. (New York City time) on the fifth (5th) Trading Day after all of the Purchasers have received the Pre-Notice
that such Purchaser is willing to participate in the Subsequent Financing, the amount of such Purchaser’s participation,
and representing and warranting that such Purchaser has such funds ready, willing, and available for investment on the terms set
forth in the Subsequent Financing Notice. If the Company receives no such notice from a Purchaser as of such fifth (5th)
Trading Day, such Purchaser shall be deemed to have notified the Company that it does not elect to participate.


 


(d)
If by 5:30 p.m. (New York City time) on the fifth (5th) Trading Day after all of the Purchasers have received the Pre-Notice,
notifications by the Purchasers of their willingness to participate in the Subsequent Financing (or to cause their designees to
participate) is, in the aggregate, less than the total amount of the Subsequent Financing, then the Company may effect the remaining
portion of such Subsequent Financing on the terms and with the Persons set forth in the Subsequent Financing Notice.


 


(e)
If by 5:30 p.m. (New York City time) on the fifth (5th) Trading Day after all of the Purchasers have received the Pre-Notice,
the Company receives responses to a Subsequent Financing Notice from Purchasers seeking to purchase more than the aggregate amount
of the Participation Maximum, each such Purchaser shall have the right to purchase its Pro Rata Portion (as defined below) of
the Participation Maximum. “Pro Rata Portion” means the ratio of (x) the Subscription Amount of Securities
purchased on the Closing Date by a Purchaser participating under this Section 4.12 and (y) the sum of the aggregate Subscription
Amounts of Securities purchased on the Closing Date by all Purchasers participating under this Section 4.12.


 


(f)
The Company must provide the Purchasers with a second Subsequent Financing Notice, and the Purchasers will again have the right
of participation set forth above in this Section 4.12, if the Subsequent Financing subject to the initial Subsequent Financing
Notice is not consummated for any reason on the terms set forth in such Subsequent Financing Notice within thirty (30) Trading
Days after the date of the initial Subsequent Financing Notice.


 




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(g)
The Company and each Purchaser agree that if any Purchaser elects to participate in the Subsequent Financing, the transaction
documents related to the Subsequent Financing shall not include any term or provision that, directly or indirectly, will, or is
intended to, exclude one or more of the Purchasers from participating in a Subsequent Financing, including, but not limited to,
provisions whereby such Purchaser shall be required to agree to any restrictions on trading as to any of the Securities purchased
hereunder or be required to consent to any amendment to or termination of, or grant any waiver, release or the like under or in
connection with, this Agreement, without the prior written consent of such Purchaser.


 


(h)
Notwithstanding anything to the contrary in this Section 4.12 and unless otherwise agreed to by such Purchaser, the Company shall
either confirm in writing to such Purchaser that the transaction with respect to the Subsequent Financing has been abandoned or
shall publicly disclose its intention to issue the securities in the Subsequent Financing, in either case in such a manner such
that such Purchaser will not be in possession of any material, non-public information, by the tenth (10th) Business Day following
delivery of the Subsequent Financing Notice. If by such tenth (10th) Business Day, no public disclosure regarding a transaction
with respect to the Subsequent Financing has been made, and no notice regarding the abandonment of such transaction has been received
by such Purchaser, such transaction shall be deemed to have been abandoned and such Purchaser shall not be deemed to be in possession
of any material, non-public information with respect to the Company or any of its Subsidiaries.


 


(i)
Notwithstanding the foregoing, this Section 4.12 shall not apply in respect of an Exempt Issuance.


 


4.13
Most Favored Nation. As of the Closing Date, and until the earlier of (x) such date that is the 12-month anniversary of
the Closing Date, or (y) such time where Alpha ceases to hold Preferred Shares convertible into at least 4.99% of the issue and
outstanding voting shares of the Company (or, after the Merger, of Parent), if the Company shall engage in any future financing
transactions, other than Exempted Issuances, with any investor, the Company will provide the Purchasers with written notice (the
“MFN Notice”) thereof promptly but in no event later than 10 days after the closing of such financing transactions.
Included with the MFN Notice shall be a copy of all documentation relating to such financing transaction and shall include, upon
written request of the Purchaser, any additional information related to such subsequent investment as may be reasonably requested
by the Purchaser. In the event the Purchaser reasonably determines that the terms of the subsequent investment are preferable
to the terms of this Agreement, the Purchaser will notify the Company in writing. Promptly after receipt of such written notice
from the Purchaser, the Company agrees to amend and restate the terms of this Agreement, to be identical to the instruments evidencing
the subsequent investment.


 


4.14
Equal Treatment of Purchasers. No consideration (including any modification of any Transaction Document) shall be offered
or paid to any Person to amend or consent to a waiver or modification of any provision of the Transaction Documents unless the
same consideration is also offered to all of the parties to the Transaction Documents. For clarification purposes, this provision
constitutes a separate right granted to each Purchaser by the Company and negotiated separately by each Purchaser, and is intended
for the Company to treat the Purchasers as a class and shall not in any way be construed as the Purchasers acting in concert or
as a group with respect to the purchase, disposition or voting of Securities or otherwise.


 




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4.15
Certain Transactions and Confidentiality. Each Purchaser, severally and not jointly with the other Purchasers, covenants
that until such time as the transactions contemplated by this Agreement are publicly disclosed by the Company, such Purchaser
will maintain the confidentiality of the existence and terms of this transaction and the information included in the Disclosure
Schedules. As of the closing of the Merger, the Purchasers shall not be in possession of any material non-public information concerning
the Company, the Merger, or Parent, provided to them by the Company or Parent and, to the knowledge of the Company, the Purchaser
is not an Affiliate of the Company.


 


4.16
Blue Sky Filings. The Company shall take such action as the Company shall reasonably determine is necessary in order to
obtain an exemption for, or to qualify the Securities for, sale to the Purchasers at the Closing under applicable securities or
“Blue Sky” laws of the states of the United States, and shall provide evidence of such actions promptly upon request
of any Purchaser.


 


4.17
Subsequent Financings.


 


(a)
Other than with the prior written consent of the Purchasers, for a period of 181 days after the effective time of the Merger,
the Company shall not issue, enter into any agreement to issue or announce the issuance or proposed issuance of any shares of
Common Stock or Common Stock Equivalents.


 


(b)
From the date hereof until such time as no Purchaser holds any of the Series Alpha Preferred Stock, the Company shall be prohibited
from effecting or entering into an agreement to effect any issuance by the Company of Common Stock or Common Stock Equivalents
(or a combination of units thereof) involving a Variable Rate Transaction. “Variable Rate Transaction” means
a transaction in which the Company (i) issues or sells any debt or equity securities that are convertible into, exchangeable or
exercisable for, or include the right to receive, additional shares of Common Stock either (A) at a conversion price, exercise
price or exchange rate or other price that is based upon, and/or varies with, the trading prices of or quotations for the shares
of Common Stock at any time after the initial issuance of such debt or equity securities or (B) with a conversion, exercise or
exchange price that is subject to being reset at some future date after the initial issuance of such debt or equity security or
upon the occurrence of specified or contingent events directly or indirectly related to the business of the Company or the market
for the Common Stock or (ii) enters into, or effects a transaction under, any agreement, including, but not limited to, an equity
line of credit, whereby the Company may issue securities at a future determined price. Any Purchaser shall be entitled to obtain
injunctive relief against the Company to preclude any such issuance, which remedy shall be in addition to any right to collect
damages.


 


Notwithstanding
the foregoing, this Section 4.17 shall not apply in respect of an Exempt Issuance.


 




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4.18
Repricing of Prior Common Stock Equivalents. Other than with the prior written consent of the Purchasers, the Company shall
not, after the Closing Date and until such time as no Purchaser holds any of the shares of Series Alpha Preferred Stock (or holds
any convertible preferred stock of any issuer which is issued in exchange for shares of Series Alpha Preferred Stock in a merger)
or holds any Warrants (or holds any warrants of any issuer which are issued in exchange for Warrants in a merger or which are
assumed by any issuer in connection with a merger with the Company), reprice any derivative securities which were outstanding
on the Closing Date. (Standard stock-split-type adjustments are not “repricings” for this purpose.) This Section 4.18
shall not apply to Exempt Securities.


 


The
Company shall cause any issuer into which it merges or which acquires the Company in the form of a reverse triangular merger to
comply with the same covenant (mutatis mutandis) for the benefit of the Purchasers, and shall cause such other issuer to state
such same covenant (mutatis mutandis) in writing for the benefit of the Purchasers if the Purchasers so request to such other
issuer.


 


ARTICLE
V.


MISCELLANEOUS


 


5.1
Termination. This Agreement may be terminated by any Purchaser, as to such Purchaser’s obligations hereunder only
and without any effect whatsoever on the obligations between the Company and the other Purchasers, by written notice to the other
parties, if the Closing has not been consummated on or before the fifth (5th) Trading Day following the date hereof;
provided, however, that no such termination will affect the right of any party to sue for any breach by any other
party (or parties).


 


5.2
Fees and Expenses. At the Closing, the Company has agreed to reimburse Alpha Capital Anstalt (“Alpha”)
the non-accountable sum of $50,000 for its due diligence and legal fees and expenses. Accordingly, in lieu of the foregoing payments,
the aggregate amount that Alpha is to pay for the Securities at the Closing shall be reduced by $50,000 in lieu thereof. Except
as expressly set forth in the Transaction Documents to the contrary, each party shall pay the fees and expenses of its advisers,
counsel, accountants and other experts, if any, and all other expenses incurred by such party incident to the negotiation, preparation,
execution, delivery and performance of this Agreement.


 


5.3
Entire Agreement. The Transaction Documents, together with the exhibits and schedules thereto, contain the entire understanding
of the parties with respect to the subject matter hereof and thereof and supersede all prior agreements and understandings, oral
or written, with respect to such matters, which the parties acknowledge have been merged into such documents, exhibits and schedules.


 




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5.4
Notices. Any and all notices or other communications or deliveries required or permitted to be provided hereunder shall
be in writing and shall be deemed given and effective on the earliest of: (a) the time of transmission, if such notice or communication
is delivered via email attachment at the e-mail address as set forth on the signature pages attached hereto at or prior to 5:30
p.m. (New York City time) on a Trading Day, (b) the next Trading Day after the time of transmission, if such notice or communication
is delivered via email attachment at the e-mail address as set forth on the signature pages attached hereto on a day that is not
a Trading Day or later than 5:30 p.m. (New York City time) on any Trading Day, (c) the second (2nd) Trading Day following
the date of mailing, if sent by U.S. nationally recognized overnight courier service or (d) upon actual receipt by the party to
whom such notice is required to be given. The address for such notices and communications shall be as set forth on the signature
pages attached hereto. To the extent that any notice provided pursuant to any Transaction Document constitutes, or contains, material,
non-public information regarding the Company or any of the Subsidiaries, the Company shall simultaneously file such notice with
the Commission pursuant to a Current Report on Form 8-K.


 


5.5
Amendments; Waivers. No provision of this Agreement may be waived, modified, supplemented or amended except in a written
instrument signed, in the case of an amendment, by the Company and Purchasers which purchased at least 67% in interest of the
Series Alpha Preferred Stock based on the initial Subscription Amounts hereunder or, in the case of a waiver, by the party against
whom enforcement of any such waived provision is sought, provided that if any amendment, modification or waiver disproportionately
and adversely impacts a Purchaser (or group of Purchasers), the consent of such disproportionately impacted Purchaser (or group
of Purchasers) shall also be required. No waiver of any default with respect to any provision, condition or requirement of this
Agreement shall be deemed to be a continuing waiver in the future or a waiver of any subsequent default or a waiver of any other
provision, condition or requirement hereof, nor shall any delay or omission of any party to exercise any right hereunder in any
manner impair the exercise of any such right. Any proposed amendment or waiver that disproportionately, materially and adversely
affects the rights and obligations of any Purchaser relative to the comparable rights and obligations of the other Purchasers
shall require the prior written consent of such adversely affected Purchaser. Any amendment effected in accordance with this Section
5.5 shall be binding upon each Purchaser and holder of Securities and the Company.


 


5.6
Headings. The headings herein are for convenience only, do not constitute a part of this Agreement and shall not be deemed
to limit or affect any of the provisions hereof.


 


5.7
Successors and Assigns. This Agreement shall be binding upon and inure to the benefit of the parties and their successors
and permitted assigns. The Company may not assign this Agreement or any rights or obligations hereunder without the prior written
consent of each Purchaser (other than by merger). Any Purchaser may assign any or all of its rights under this Agreement to any
Person to whom such Purchaser assigns or transfers any Securities, provided that such transferee agrees in writing to be bound,
with respect to the transferred Securities, by the provisions of the Transaction Documents that apply to the “Purchasers.”


 




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5.8
No Third-Party Beneficiaries. This Agreement is intended for the benefit of the parties hereto and their respective successors
and permitted assigns and is not for the benefit of, nor may any provision hereof be enforced by, any other Person, except as
otherwise set forth in Section 4.10.


 


5.9
Governing Law. All questions concerning the construction, validity, enforcement and interpretation of the Transaction Documents
shall be governed by and construed and enforced in accordance with the internal laws of the State of New York, without regard
to the principles of conflicts of law thereof. Each party agrees that all legal Proceedings concerning the interpretations, enforcement
and defense of the transactions contemplated by this Agreement and any other Transaction Documents (whether brought against a
party hereto or its respective affiliates, directors, officers, shareholders, partners, members, employees or agents) shall be
commenced exclusively in the state and federal courts sitting in the City of New York. Each party hereby irrevocably submits to
the exclusive jurisdiction of the state and federal courts sitting in the City of New York, Borough of Manhattan for the adjudication
of any dispute hereunder or in connection herewith or with any transaction contemplated hereby or discussed herein (including
with respect to the enforcement of any of the Transaction Documents), and hereby irrevocably waives, and agrees not to assert
in any Action or Proceeding, any claim that it is not personally subject to the jurisdiction of any such court, that such Action
or Proceeding is improper or is an inconvenient venue for such Proceeding. Each party hereby irrevocably waives personal service
of process and consents to process being served in any such Action or Proceeding by mailing a copy thereof via registered or certified
mail or overnight delivery (with evidence of delivery) to such party at the address in effect for notices to it under this Agreement
and agrees that such service shall constitute good and sufficient service of process and notice thereof. Nothing contained herein
shall be deemed to limit in any way any right to serve process in any other manner permitted by law. If any party shall commence
an Action or Proceeding to enforce any provisions of the Transaction Documents, then, in addition to the obligations of the Company
under Section 4.10, the prevailing party in such Action or Proceeding shall be reimbursed by the non-prevailing party for its
reasonable attorneys’ fees and other costs and expenses incurred with the investigation, preparation and prosecution of
such Action or Proceeding.


 


5.10
Survival. The representations and warranties contained herein shall survive the Closing and the delivery of the Securities.


 


5.11
Execution. This Agreement may be executed in two or more counterparts, all of which when taken together shall be considered
one and the same agreement and shall become effective when counterparts have been signed by each party and delivered to each other
party, it being understood that the parties need not sign the same counterpart. In the event that any signature is delivered by
e-mail delivery of a “.pdf” format data file, such signature shall create a valid and binding obligation of the party
executing (or on whose behalf such signature is executed) with the same force and effect as if such “.pdf” signature
page were an original thereof.


 




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5.12
Severability. If any term, provision, covenant or restriction of this Agreement is held by a court of competent jurisdiction
to be invalid, illegal, void or unenforceable, the remainder of the terms, provisions, covenants and restrictions set forth herein
shall remain in full force and effect and shall in no way be affected, impaired or invalidated, and the parties hereto shall use
their commercially reasonable efforts to find and employ an alternative means to achieve the same or substantially the same result
as that contemplated by such term, provision, covenant or restriction. It is hereby stipulated and declared to be the intention
of the parties that they would have executed the remaining terms, provisions, covenants and restrictions without including any
of such that may be hereafter declared invalid, illegal, void or unenforceable.


 


5.13
Rescission and Withdrawal Right. Notwithstanding anything to the contrary contained in (and without limiting any similar
provisions of) any of the other Transaction Documents, whenever any Purchaser exercises a right, election, demand or option under
a Transaction Document and the Company does not timely perform its related obligations within the periods therein provided, then
such Purchaser may rescind or withdraw, in its sole discretion from time to time upon written notice to the Company, any relevant
notice, demand or election in whole or in part without prejudice to its future actions and rights; provided, however,
that, in the case of a rescission of a conversion of the Series Alpha Preferred Stock or exercise of a Warrant, the applicable
Purchaser shall be required to return any shares of Common Stock subject to any such rescinded conversion or exercise notice concurrently
with the return to such Purchaser of the aggregate exercise price paid to the Company for such shares and the restoration of such
Purchaser’s right to acquire such shares pursuant to such Purchaser’s Warrant (including, issuance of a replacement
warrant certificate evidencing such restored right).


 


5.14
Replacement of Securities. If any certificate or instrument evidencing any Securities is mutilated, lost, stolen or destroyed,
the Company shall issue or cause to be issued in exchange and substitution for and upon cancellation thereof (in the case of mutilation),
or in lieu of and substitution therefor, a new certificate or instrument, but only upon receipt of evidence reasonably satisfactory
to the Company of such loss, theft or destruction. The applicant for a new certificate or instrument under such circumstances
shall also pay any reasonable third-party costs (including customary indemnity) associated with the issuance of such replacement
Securities.


 


5.15
Remedies. In addition to being entitled to exercise all rights provided herein or granted by law, including recovery of
damages, each of the Purchasers and the Company will be entitled to specific performance under the Transaction Documents. The
parties agree that monetary damages may not be adequate compensation for any loss incurred by reason of any breach of obligations
contained in the Transaction Documents and hereby agree to waive and not to assert in any Action for specific performance of any
such obligation the defense that a remedy at law would be adequate.


 


5.16
Payment Set Aside. To the extent that the Company makes a payment or payments to any Purchaser pursuant to any Transaction
Document or a Purchaser enforces or exercises its rights thereunder, and such payment or payments or the proceeds of such enforcement
or exercise or any part thereof are subsequently invalidated, declared to be fraudulent or preferential, set aside, recovered
from, disgorged by or are required to be refunded, repaid or otherwise restored to the Company, a trustee, receiver or any other
Person under any law (including, without limitation, any bankruptcy law, state or federal law, common law or equitable cause of
action), then to the extent of any such restoration the obligation or part thereof originally intended to be satisfied shall be
revived and continued in full force and effect as if such payment had not been made or such enforcement or setoff had not occurred.


 




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5.17
Usury. To the extent it may lawfully do so, the Company hereby agrees not to insist upon or plead or in any manner whatsoever
claim, and will resist any and all efforts to be compelled to take the benefit or advantage of, usury laws wherever enacted, now
or at any time hereafter in force, in connection with any Action or Proceeding that may be brought by any Purchaser in order to
enforce any right or remedy under any Transaction Document. Notwithstanding any provision to the contrary contained in any Transaction
Document, it is expressly agreed and provided that the total liability of the Company under the Transaction Documents for payments
in the nature of interest shall not exceed the maximum lawful rate authorized under applicable law (the “Maximum Rate”),
and, without limiting the foregoing, in no event shall any rate of interest or default interest, or both of them, when aggregated
with any other sums in the nature of interest that the Company may be obligated to pay under the Transaction Documents exceed
such Maximum Rate. It is agreed that if the maximum contract rate of interest allowed by law and applicable to the Transaction
Documents is increased or decreased by statute or any official governmental action subsequent to the date hereof, the new maximum
contract rate of interest allowed by law will be the Maximum Rate applicable to the Transaction Documents from the effective date
thereof forward, unless such application is precluded by applicable law. If under any circumstances whatsoever, interest in excess
of the Maximum Rate is paid by the Company to any Purchaser with respect to indebtedness evidenced by the Transaction Documents,
such excess shall be applied by such Purchaser to the unpaid principal balance of any such indebtedness or be refunded to the
Company, the manner of handling such excess to be at such Purchaser’s election.


 


5.18
Independent Nature of Purchasers’ Obligations and Rights. The obligations of each Purchaser under any Transaction
Document are several and not joint with the obligations of any other Purchaser, and no Purchaser shall be responsible in any way
for the performance or non-performance of the obligations of any other Purchaser under any Transaction Document. Nothing contained
herein or in any other Transaction Document, and no action taken by any Purchaser pursuant hereto or thereto, shall be deemed
to constitute the Purchasers as a partnership, an association, a joint venture or any other kind of entity, or create a presumption
that the Purchasers are in any way acting in concert or as a group with respect to such obligations or the transactions contemplated
by the Transaction Documents. Each Purchaser shall be entitled to independently protect and enforce its rights, including, without
limitation, the rights arising out of this Agreement or out of the other Transaction Documents, and it shall not be necessary
for any other Purchaser to be joined as an additional party in any Proceeding for such purpose. Each Purchaser has been represented
by its own separate legal counsel in its review and negotiation of the Transaction Documents. For reasons of administrative convenience
only, each Purchaser and its respective counsel have chosen to communicate with the Company through EGS. EGS does not represent
any of the Purchasers other than Alpha and only represents Alpha. The Company has elected to provide all Purchasers with the same
terms and Transaction Documents for the convenience of the Company and not because it was required or requested to do so by any
of the Purchasers. It is expressly understood and agreed that each provision contained in this Agreement and in each other Transaction
Document is between the Company and a Purchaser, solely, and not between the Company and the Purchasers collectively and not between
and among the Purchasers.


 




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5.19
Liquidated Damages. The Company’s obligations to pay any partial liquidated damages or other amounts owing under
the Transaction Documents is a continuing obligation of the Company and shall not terminate until all unpaid partial liquidated
damages and other amounts have been paid notwithstanding the fact that the instrument or security pursuant to which such partial
liquidated damages or other amounts are due and payable shall have been canceled.


 


5.20
Saturdays, Sundays, Holidays, etc. If the last or appointed day for the taking of any action or the expiration of any right
required or granted herein shall not be a Business Day, then such action may be taken or such right may be exercised on the next
succeeding Business Day.


 


5.21
Construction. The parties agree that each of them and/or their respective counsel have reviewed and had an opportunity
to revise the Transaction Documents and, therefore, the normal rule of construction to the effect that any ambiguities are to
be resolved against the drafting party shall not be employed in the interpretation of the Transaction Documents or any amendments
thereto. In addition, each and every reference to share prices and shares of Common Stock in any Transaction Document shall be
subject to adjustment for reverse and forward stock splits, stock dividends, stock combinations and other similar transactions
of the Common Stock that occur after the date of this Agreement.


 


5.22
WAIVER OF JURY TRIAL. IN ANY ACTION, SUIT, OR PROCEEDING IN ANY JURISDICTION BROUGHT BY ANY PARTY AGAINST ANY OTHER
PARTY, THE PARTIES EACH KNOWINGLY AND INTENTIONALLY, TO THE GREATEST EXTENT PERMITTED BY APPLICABLE LAW, HEREBY ABSOLUTELY, UNCONDITIONALLY,
IRREVOCABLY AND EXPRESSLY WAIVES FOREVER TRIAL BY JURY. 


 


(Signature
Pages Follow)


 




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IN
WITNESS WHEREOF, the parties hereto have caused this Securities Purchase Agreement to be duly executed by their respective authorized
signatories as of the date first indicated above.


 


	qualigen,
    inc.	 	Address
    for Notice:
	 	 	 	 
	By:	/s/
    Michael S. Poirier	 	Email:
    	mpoirier@qualigeninc.com
	Name:	Michael
    S. Poirier	 	 	 
	Title:	Chief
    Executive Officer	 	 	 
	 	 	 	 	 
	With
        a copy to (which shall not constitute notice) to:

        Stradling
        Yocca Carlson & Rauth, a Professional Corporation

        4365
        Executive Drive, Suite 1500

        San
        Diego, California 92121

        Attn:
        Hayden Trubitt
	 	 

        Email:

         

         
	 

        htrubitt@sycr.com

         

         



 


Acknowledged
and agreed effective upon completion of the Merger and solely as to Sections 4.10, 4.12, 4.13, 4.15 and 4.17 as it relates to
rights of the Purchasers after completion of the Merger:


 


	RITTER
    PHARMACEUTICALS, INC. 	 	 	 
	 	 	 	 
	By	/s/ Andrew
    J. Ritter	 	Email:	andrew@ritterpharma.com
	Name:	Andrew
    Ritter	 	 	 
	Title:	Chief
    Executive Officer	 	 	 


 


[REMAINDER
OF PAGE INTENTIONALLY LEFT BLANK


SIGNATURE
PAGE FOR PURCHASER FOLLOWS]


 




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[PURCHASER
SIGNATURE PAGES TO QUALIGEN SECURITIES PURCHASE AGREEMENT]


 


IN
WITNESS WHEREOF, the undersigned have caused this Securities Purchase Agreement to be duly executed by their respective authorized
signatories as of the date first indicated above.


 


Name
of Purchaser: Alpha Capital Anstalt


 


Signature
of Authorized Signatory of Purchaser: /s/ Nicola Feuerstein


 


Name
of Authorized Signatory: Nicola Feuerstein


 


Title
of Authorized Signatory: Director


 


Email
Address of Authorized Signatory: info@alphacapital.li


 


Address
for Notice to Purchaser:


 


LH Financial Services


510 Madison Avenue


Suite 1400


New York, N.Y. 10022

 





Address
for Delivery of Securities to Purchaser (if not same as address for notice):


 


 


Subscription
Amount: $ 4,010,000


 


Shares
of Series Alpha Preferred Stock: 4.010


 


Warrant
Shares: 916,189


 




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