Form of Subscription Agreement



 Exhibit 10.1 
 SUBSCRIPTION AGREEMENT 
 This Subscription Agreement (the
“Agreement”) is dated as of December [            ], 2011 (the “Effective Date”), between ARCA biopharma, Inc., a Delaware corporation (the
“Company”), and the purchaser identified on the signature page hereto (including its successors and assigns, the “Purchaser”). 
 WHEREAS, subject to the terms and conditions set forth in this Agreement and pursuant to an exemption from registration under Section 4(2) of the Securities Act of 1933, as amended (the
“Securities Act”), the Company has authorized the sale and issuance to certain investors of up to an aggregate of
                     units (the “Units”), with each Unit consisting of: (1) one share of the Common Stock (each a
“Share, and, collectively, the “Shares”) and (2) one warrant (each a “Warrant” and, collectively, the “Warrants”) to purchase
                         shares of Common Stock, in the form attached hereto as Exhibit A, for a purchase price of
$1.05 per Unit. 
 WHEREAS, the Company desires to issue and sell to the Purchaser, and the Purchaser desires to purchase from
the Company, Units as more fully described in this Agreement. 
 WHEREAS, at the Closing, the parties hereto shall execute and
deliver a Registration Rights Agreement, in the form attached hereto as Exhibit B (the “Registration Rights Agreement”), pursuant to which the Company has agreed to provide certain registration rights with respect to the
Registrable Securities (as defined in the Registration Rights Agreement), under the Securities Act and the rules and regulations promulgated thereunder, and applicable state securities laws. 

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 the Purchaser agree as follows: 
 ARTICLE I. 

 DEFINITIONS 
 1.1 Definitions. In addition to the terms defined elsewhere in this Agreement, for all purposes of this Agreement, the following terms have the meanings set forth in this Section 1.1:

 “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. 

  








 “Commission” means the United States Securities and
Exchange Commission. 
 “Common Stock” means (i) the Company’s shares of common stock,
$0.001 par value per share, and (ii) any capital stock into which such common stock shall have been changed or any share capital resulting from a reclassification of such common stock. 

“Common Stock Equivalents” means any securities of the Company or its subsidiaries which would entitle
the holder thereof to acquire at any time Common Stock, including, without limitation, any debt, preferred stock, rights, options, warrants 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 Cooley LLP.

 “Exchange Act” means the Securities Exchange Act of 1934, as amended, and the rules and
regulations promulgated thereunder. 
 “Exempt Issuance” means the issuance of (a) shares
of Common Stock or options to employees, officers or directors of, or consultants to, the Company pursuant to any stock or option plan duly adopted by the Board of Directors for such purpose, including, but not limited to, the Company’s Amended
and Restated 2004 Equity Incentive Plan and the Company’s Non-Employee Director Stock Option Plan, (b) shares of Common Stock issued upon the conversion or exercise of Common Stock Equivalents issued prior to the Effective Date, provided
that the conversion or exercise (as the case may be) of any such Common Stock Equivalent is made solely pursuant to the conversion or exercise (as the case may be) provisions of such Common Stock Equivalent that were in effect on the date
immediately prior to the Effective Date, the conversion or exercise price of any such Common Stock Equivalents is not lowered, none of such Common Stock Equivalents are (nor is any provision of any such Common Stock Equivalents) amended or waived in
any manner (whether by the Company or the holder thereof) to increase the number of shares issuable thereunder and none of the terms or conditions of any such Common Stock Equivalents are otherwise materially changed or waived (whether by the
Company or the holder thereof) in any manner that adversely affects the Purchaser and (c) securities issued pursuant to acquisitions or strategic transactions approved by a majority of the disinterested directors of the Company, 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 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 any Person whose primary business is investing in
securities or providing capital. 
 “GAAP” shall have the meaning ascribed to such term in
Section 3.1(h). 
 “Intellectual Property Rights” shall have the meaning ascribed to
such term in Section 3.1(o). 

  
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 “Liens” means a lien, charge, 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(m). 

“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, including, without limitation, any Trading Market. 

“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 4.8. 

“Registration Statement” shall have the meaning ascribed to such term in the Registration Rights
Agreement. 
 “Required Approvals” shall have the meaning ascribed to such term in
Section 3.1(e). 
 “Rule 144” means Rule 144 promulgated by the Commission pursuant
to the Securities Act, as such Rule may be amended from time to time, or any similar rule or regulation hereafter adopted by the Commission having substantially the same effect as such Rule. 

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

“Securities” means the Shares, the Warrants and the Warrant Shares. 

“Securities Act” means the Securities Act of 1933, as amended, and the rules and regulations promulgated
thereunder. 
 “Short Sales” means all “short sales” as defined in Rule 200 of
Regulation SHO under the Exchange Act.
 “Subscription Amount” means the aggregate amount to be
paid for Shares and Warrants purchased hereunder as specified below the 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. 
 “Trading Day” shall have the meaning ascribed to such term in the Warrant. 


  
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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: the NYSE Amex, the Nasdaq Capital Market, the Nasdaq Global Market, the Nasdaq Global Select Market, the New York Stock Exchange or the OTC Bulletin Board
(or any successors to any of the foregoing). 
 “Transaction Documents” means, collectively,
this Agreement, the Warrant, the Registration Rights Agreement, the Irrevocable Transfer Agent Instructions (as defined below) and each of the other agreements and instruments entered into or delivered by any of the parties in connection with the
transactions contemplated hereby and thereby, as may be amended from time to time. 
 “Transfer
Agent” means Computershare Trust Company, N.A., the current transfer agent of the Company, with a mailing address of PO Box 43070 Providence, RI 02940-3070, and any successor transfer agent of the Company. 

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

ARTICLE II.  
 PURCHASE AND SALE 
 2.1 Closing. Subject to the
satisfaction (or waiver) of the conditions set forth in Sections 2.3(a) and 2.3(b), the Company shall issue and sell to the Purchaser, and the Purchaser shall purchase from the Company on the Closing Date (as defined below), the number of Units set
forth on the Purchaser’s signature page hereto. At the Closing, the Purchaser shall deliver to the Company, via wire transfer of immediately available funds equal to the Purchaser’s Subscription Amount as set forth on the signature page
hereto executed by the Purchaser and the Company shall deliver to the Purchaser its respective Shares and a Warrant as determined pursuant to Section 2.2(a), and the Company and the Purchaser shall deliver the other items set forth in
Section 2.2 deliverable at the Closing. The closing (the “Closing”) of the sale by the Company to the Purchaser, and the purchase by the Purchaser from the Company, of the number of Units set forth on the Purchaser’s
signature page hereto shall occur at the offices of Company Counsel. The date and time of the Closing (the “Closing Date”) shall be 8:30 a.m., New York time, on the first (1st) Business Day on which the conditions to the Closing set forth in Sections 2.3(a) and 2.3(b) below are satisfied
or waived (or such later date as is mutually agreed to by the Company and the Purchaser). 
 2.2 Deliveries. 

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

(i) its duly executed signature page to each of the other Transaction Documents to which it is a party; 

  
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 (ii) one or more stock certificates, free and clear of all restrictive and
other legends (except as expressly provided in Section 3.5 hereof), evidencing the Shares; 
 (iii) a
Warrant, duly executed by the Company, registered in the name of the Purchaser to purchase up to the number of Warrant Shares set forth on the signature page hereto, with an exercise price equal to $[*], subject to adjustment therein (such Warrant
certificate may be delivered within three Trading Days of the Closing Date); 
 (iv) the opinion of
Company’s Counsel, dated as of the Closing Date, in the form previously provided to the Company; 
 (v) a
copy of the Irrevocable Transfer Agent Instructions, in the form acceptable to the Purchaser, which instructions shall have been delivered to and acknowledged in writing by the Company’s transfer agent; 

(vi) a certificate evidencing the formation and good standing of the Company issued by the Secretary of State of Delaware
as of a date within ten (10) days of the Closing Date; 
 (vii) a certified copy of the certificate of
incorporation as certified by the Secretary of State of Delaware within ten (10) days of the Closing Date; 

(viii) a certificate, in the form acceptable to the Purchaser, executed by the Secretary of the Company and dated as of
the Closing Date, as to (i) the resolutions consistent with Section 3.1(c) as adopted by the Company’s board of directors in a form reasonably acceptable to the Purchaser, (ii) the certificate of incorporation of the Company and
(iii) the bylaws of the Company, each as in effect at the Closing; 
 (ix) a letter from the Company’s
transfer agent certifying the number of shares of Common Stock outstanding on the Closing Date immediately prior to the Closing; and 
 (x) such other documents, instruments or certificates relating to the transactions contemplated by this Agreement as the Purchaser or its counsel may reasonably request. 

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

(i) its duly executed signature page to each of the other Transaction Documents to which it is a party; 

(ii) the Purchaser’s Subscription Amount by wire transfer to the account as specified in writing by the Company; and


  
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 (iii) a fully completed Purchaser Questionnaire, in the form attached hereto
as Exhibit C, for the Company’s use in preparing the initial Registration Statement required to be filed by the Company under the Registration Rights Agreement. 
 2.3 Closing Conditions. 
 (a) The obligation of the Company
hereunder to issue and sell the Shares and the Warrants to the Purchaser at the Closing is subject to the satisfaction, at or before the Closing Date, of each of the following conditions, provided that these conditions are for the Company’s
sole benefit and may be waived by the Company at any time in its sole discretion by providing the Purchaser with prior written notice thereof: 
 (i) the representations and warranties made by the Purchaser in Section 3.2 hereof qualified as to materiality shall be true and correct at all times prior to and on the Closing Date, except to the
extent any such representation or warranty expressly speaks as of an earlier date, in which case such representation or warranty shall be true and correct as of such earlier date, and, the representations and warranties made by the Purchaser in
Section 3.2 hereof not qualified as to materiality shall be true and correct in all material respects at all times prior to and on the Closing Date, except to the extent any such representation or warranty expressly speaks as of an earlier
date, in which case such representation or warranty shall be true and correct in all material respects as of such earlier date; 
 (ii) all obligations, covenants and agreements of the Purchaser under this Agreement required to be performed at or prior to the Closing Date shall have been performed; and 

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

(b) The obligation of the Purchaser hereunder to purchase the Shares and the Warrant at the Closing is subject to the
satisfaction, at or before the Closing Date, of each of the following conditions, provided that these conditions are for the Purchaser’s sole benefit and may be waived by the Purchaser at any time in its sole discretion by providing the Company
with prior written notice thereof: 
 (i) each and every representation and warranty of the Company that is
qualified by a materiality standard or Material Adverse Effect, in each case, shall have been true and correct when made and shall be true and correct as of the Closing Date as if originally made on and as of the Closing Date and each and every
representation and warranty of the Company that is not qualified by a materiality standard or Material Adverse Effect, in each case, shall have been true and correct when made and shall be true and correct in all material respects as of the Closing
Date as if originally made on and as of such Closing Date, and the Company shall have performed, satisfied and complied in all respects with the 

  
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covenants, agreements and conditions required to be performed, satisfied or complied with by the Company at or prior to the Closing Date, and the Purchaser shall have received a certificate,
executed by the Chief Executive Officer or Chief Financial Officer of the Company, dated as of the Closing Date, to the foregoing effect and as to such other matters as may be reasonably requested by the Purchaser in the form acceptable to the
Purchaser; 
 (ii) the delivery by the Company of the items set forth in Section 2.2(a) of this Agreement;

 (iii) the Common Stock (I) shall be designated for quotation or listed on the Principal Market (as
defined in the Warrant) and (II) shall not have been suspended, as of the Closing Date, by the Commission or the Principal Market from trading on the Principal Market nor shall suspension by the Commission or the Principal Market have been
threatened, as of the Closing Date, either (A) in writing by the Commission or the Principal Market or (B) by falling below the minimum maintenance requirements of the Principal Market; 

(iv) the Company shall have obtained all governmental, regulatory or third party consents and approvals, if any, necessary
for the sale of the Securities, including without limitation, those required by the Principal Market; 
 (v) no
statute, rule, regulation, executive order, decree, ruling or injunction shall have been enacted, entered, promulgated or endorsed by any court or governmental authority of competent jurisdiction that prohibits the consummation of any of the
transactions contemplated by the Transaction Documents; 
 (vi) since the date of execution of this Agreement, no
event or series of events shall have occurred that reasonably would have or result in a Material Adverse Effect; 

(vii) none of the other Subscription Agreements have been terminated; and 

(viii) the Company shall have filed with Nasdaq a Notification Form: Listing of Additional Shares for the listing of the
Shares and the Warrant Shares, a copy of which shall have been made available to the Purchaser. 
 2.4 Subscription
Agreements; Purchasers. The Company proposes to enter into subscription agreements in substantially the form of this Agreement (collectively with this Agreement, the “Subscription Agreements”) with certain other investors
(collectively with the Purchaser, the “Purchasers”) and expects to complete sales of Units to them. 
 2.5
Placement Agent. The Purchaser acknowledges that the Company has agreed to pay Roth Capital Partners, LLC (the “Placement Agent”) in respect of the sales of the Units to the Purchaser. 

  
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 ARTICLE III. 
 REPRESENTATIONS AND WARRANTIES 
 3.1 Representations and Warranties of the
Company. The Company represents and warrants to the Purchaser as follows: 
 (a) Subsidiaries. The
Company owns, directly or indirectly, all of the capital stock or other equity interests of each of its direct and indirect subsidiaries free and clear of any Liens, and all of the issued and outstanding shares of capital stock of each such
subsidiary are validly issued and are fully paid, non-assessable and free of preemptive and similar rights to subscribe for or purchase securities, except as set forth on Schedule 3.1(a) hereto. The Company or one of its subsidiaries has the
unrestricted right to vote, and (subject to limitations imposed by applicable law) to receive dividends and distributions on, all capital securities of its subsidiaries as owned by the Company or such subsidiary. If the Company has no subsidiaries,
all other references to subsidiaries in the Transaction Documents shall be disregarded. 
 (b) Organization
and Qualification. The Company and each of its 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 its 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
its 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 each of the Transaction Documents and otherwise to carry out its obligations hereunder and thereunder. The execution and delivery of each of the 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 therewith other than in connection with the Required Approvals. Each Transaction Document to which it is a party has been (or upon delivery will have been) duly executed by the Company and, when delivered in


  
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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 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. 

(d) No Conflicts. The execution, delivery and performance by the Company of the Transaction Documents, the issuance
and sale of the Shares and Warrants and the consummation by it of the transactions contemplated hereby and thereby to which it is a party 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) 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, acceleration or cancellation (with or without notice, lapse of time or both) of or conflict with, or constitute a default (or an event that with notice or lapse of time or both would become a default) under, 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 Trading Market, court or governmental
authority to which the Company or a subsidiary is subject (including federal and state securities laws and regulations and the regulations of any Trading Market), 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 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: (i) the filing with the Commission of the initial
Registration Statement, (iii) the filing with the Commission of a Form D; (iv) application(s) to each applicable Trading Market for the listing or designation for quotation (as the case may be) of the Shares and Warrant Shares for trading
thereon in the time and manner required thereby and (iv) such filings as are required to be made under applicable state securities laws (collectively, the “Required Approvals”). All consents, authorizations, orders, filings and
registrations which the Company is required to obtain at or prior to the Closing have been obtained or effected on or prior to the Closing Date, and neither the Company nor any of its subsidiaries are aware of any facts or circumstances which might
prevent the Company from obtaining or effecting any of the registration, application or filings contemplated by the Transaction Documents. 

  
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 (f) Issuance of the Securities. The Shares and Warrants are duly
authorized and, when issued and paid for in accordance with the applicable Transaction Documents (i) the Shares will be duly and validly issued, fully paid and nonassessable, free and clear of all Liens imposed by the Company and (ii) the
Warrants will be duly and validly issued, free and clear of all Liens imposed by the Company. The Warrant Shares, when issued in accordance with the terms of the Warrants, will be validly issued, fully paid and nonassessable, free and clear of all
Liens imposed by the Company. The Company has reserved from its duly authorized capital stock the maximum number of shares of Common Stock issuable pursuant to this Agreement and the Warrants. 

(g) Capitalization. The Company has not issued any capital stock since its most recently filed periodic report
under the Exchange Act, other than pursuant to the exercise of stock options under the Company’s stock option plans, the issuance of shares of Common Stock to employees pursuant to the Company’s employee stock purchase plans and pursuant
to the conversion and/or exercise of Common Stock Equivalents outstanding as of the date of the most recently filed periodic report under the Exchange Act. 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 described in the Company’s SEC Reports. Except as described in the Company’s SEC Reports, 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 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, other than as a result of the
purchase and sale of the Shares and Warrants or the exercise of the Warrants. The issuance and sale of the Shares and Warrants, and the issuance of Warrant Shares upon exercise of the Warrants, will not obligate the Company to issue shares of Common
Stock or other securities to any Person (other than the Purchasers) and will not result in a right of any holder of Company securities to adjust the exercise, conversion, exchange or reset price under any of such securities. All of the outstanding
shares of capital stock of the Company are validly issued, fully paid and nonassessable. 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 that
are not described in the SEC Reports. 
 (h) SEC Reports; Financial Statements. The Company has filed all
reports, schedules, forms, statements and other documents required to be filed by the Company under the Exchange Act, including pursuant to Section 13(a) or 15(d) thereof, for the two years preceding the Effective Date (or such shorter period
as the Company was required by law or regulation to file such material) (all of the foregoing filed prior to the date hereof and all exhibits included therein and financial statements, notes and schedules thereto and documents incorporated by
reference therein being hereinafter referred to collectively as the “SEC Reports”) on a timely basis or has received a valid extension of such time of filing and has filed any such SEC Reports prior to the expiration of any such
extension. As of their respective dates, the SEC Reports complied in all material respects 

  
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with the requirements of the Exchange Act, as applicable, and the rules and regulations of the Commission promulgated thereunder applicable thereto, and none of the SEC Reports, when filed,
contained any untrue statement of a material fact or omitted 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, not misleading.
The financial statements of the Company included in the SEC Reports comply in all material respects with applicable accounting requirements and the rules and regulations of the Commission with respect thereto as in effect at the time of filing. Such
financial statements have been prepared in accordance with United States generally accepted accounting principles applied on a consistent basis during the periods involved (“GAAP”) (except (i) as may be otherwise indicated in
such financial statements or the notes thereto, or (ii) in the case of unaudited interim statements, to the extent they may exclude footnotes or may be condensed or summary statements), and such financial statements fairly present in all
material respects the financial position of the Company and its consolidated subsidiaries as of and for the dates thereof and the results of operations and cash flows for the periods then ended, subject, in the case of unaudited statements, to
normal, year-end audit adjustments, which will not be material, either individually or in the aggregate. 
 (i)
Material Changes; Undisclosed Events, Liabilities or Developments. Since the date of the latest audited financial statements included within the SEC Reports, except as specifically disclosed in a subsequent SEC Report filed prior to the
Effective Date, (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 or
disclosed in filings made with the Commission, (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 Shares and Warrants contemplated by this Agreement, 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 business, 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 publicly disclosed on or before the date that this representation is made. Neither the Company nor any of its subsidiaries has taken any steps to seek protection pursuant to any law or statute relating to bankruptcy, insolvency,
reorganization, receivership, liquidation or winding up, nor does the Company or any subsidiary have any knowledge or reason to believe that any of their respective creditors intend to initiate involuntary bankruptcy proceedings or any actual
knowledge of any fact which would reasonably lead a creditor to do so. The Company and its subsidiaries, on a consolidated basis, are not as of the date hereof, and after giving effect to the transactions contemplated hereby to occur at the Closing,
will 

  
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not be Insolvent (as defined below). “Insolvent” means, with respect to the Company and its subsidiaries, on a consolidated basis, (i) the present fair saleable value of the
Company’s and its subsidiaries’ assets is less than the amount required to pay the Company’s and its subsidiaries’ total Indebtedness (as defined below), (ii) the Company and its subsidiaries are unable to pay their debts
and liabilities, subordinated, contingent or otherwise, as such debts and liabilities become absolute and matured or (iii) the Company and its subsidiaries intend to incur or believe that they will incur debts that would be beyond their ability
to pay as such debts mature Neither the Company nor any of its subsidiaries has engaged in any business or in any transaction, and is not about to engage in any business or in any transaction, for which the Company’s or such subsidiary’s
remaining assets constitute unreasonably small capital. “Indebtedness” of any Person means, without duplication (A) all indebtedness for borrowed money, (B) all obligations issued, undertaken or assumed as the deferred
purchase price of property or services (including, without limitation, “capital leases” in accordance with generally accepted accounting principles) (other than trade payables entered into in the ordinary course of business), (C) all
reimbursement or payment obligations with respect to letters of credit, surety bonds and other similar instruments, (D) all obligations evidenced by notes, bonds, debentures or similar instruments, including obligations so evidenced incurred in
connection with the acquisition of property, assets or businesses, (E) all indebtedness created or arising under any conditional sale or other title retention agreement, or incurred as financing, in either case with respect to any property or
assets acquired with the proceeds of such indebtedness (even though the rights and remedies of the seller or bank under such agreement in the event of default are limited to repossession or sale of such property), (F) all monetary obligations
under any leasing or similar arrangement which, in connection with generally accepted accounting principles, consistently applied for the periods covered thereby, is classified as a capital lease, (G) all indebtedness referred to in clauses
(A) through (F) above secured by (or for which the holder of such indebtedness has an existing right, contingent or otherwise, to be secured by) any mortgage, lien, pledge, charge, security interest or other encumbrance upon or in any
property or assets (including accounts and contract rights) owned by any Person, even though the Person which owns such assets or property has not assumed or become liable for the payment of such indebtedness, and (H) all Contingent Obligations
in respect of indebtedness or obligations of others of the kinds referred to in clauses (A) through (G) above; and “Contingent Obligation” means, as to any Person, any direct or indirect liability, contingent or otherwise,
of that Person with respect to any indebtedness, lease, dividend or other obligation of another Person if the primary purpose or intent of the Person incurring such liability, or the primary effect thereof, is to provide assurance to the obligee of
such liability that such liability will be paid or discharged, or that any agreements relating thereto will be complied with, or that the holders of such liability will be protected (in whole or in part) against loss with respect thereto.

 (j) Litigation. (i) 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”); (ii) neither the Company nor any subsidiary, nor any director or officer thereof, is or has been the


  
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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 and (iii) there has not been, 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, which, in any case of clauses (i), (ii) or (iii),
(A) adversely affects or challenges the legality, validity or enforceability of any of the Transaction Documents or the Securities or (B) could, if there were an unfavorable decision, have or reasonably be expected to result in a Material
Adverse Effect. 
 (k) Labor Relations. No material labor dispute exists or, to the knowledge of the
Company, is imminent with respect to any of the employees of the Company that 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. No executive officer, to the knowledge of the Company, 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 governmental body 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 applicable to its business and all such laws that affect the environment, except in each case as could not reasonably be expected to result in a Material Adverse Effect. 

(m) Regulatory Permits. Except as set forth in the SEC Reports, the Company and its subsidiaries possess all
certificates, authorizations and permits issued by the appropriate federal, state, local or foreign regulatory authorities necessary to conduct their respective businesses as described in the SEC Reports, 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. 

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

(o) Patents and Trademarks. The Company and its 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 material for use in connection with their respective
businesses as described in the SEC Reports and which the failure to so have could reasonably be expected to have a Material Adverse Effect (collectively, the “Intellectual Property Rights”). Neither the Company nor any subsidiary
has received a notice (written or otherwise) that any of the Intellectual Property Rights used by the Company or any subsidiary violates or infringes upon the rights of any Person. 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 the failure to do so could not, individually or in the aggregate, reasonably be expected to have a Material Adverse Effect. 

(p) Insurance. The Company and its 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 its subsidiaries are engaged, including, but not limited to, directors and officers insurance coverage at least equal to the
aggregate Subscription Amount. 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. 
 (q) Transactions With
Affiliates and Employees. Except as set forth in the SEC Reports, none of the officers or directors of the Company and, to the knowledge of the Company, none of the employees of the Company is presently a party to any transaction with the
Company or any subsidiary (other than for services as employees, 

  
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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, 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 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. 
 (r) Sarbanes-Oxley. The Company is
in material compliance with all provisions of the Sarbanes-Oxley Act of 2002 that are applicable to it as of the Closing Date. 
 (s) Certain Fees. Except as contemplated by this Agreement, no brokerage or finder’s fees or commissions are or will be payable by the Company to any broker, financial advisor or consultant,
finder, placement agent, investment banker, bank or other Person with respect to the transactions contemplated by the Transaction Documents. The Purchaser 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. 

(t) Investment Company. The Company is not, and immediately after receipt of payment for the Shares and Warrants,
will not be an “investment company” within the meaning of the Investment Company Act of 1940, as amended. 
 (u) Registration Rights. Except as set forth in the SEC Reports, no Person has any right to cause the Company to effect the registration under the Securities Act of any securities of the Company as
a result of the transactions contemplated by this Agreement. 
 (v) Listing and Maintenance Requirements.
The Common Stock is registered pursuant to Section 12(b) or 12(g) of the Exchange Act, and the Company has taken no action designed to, or that to its knowledge is likely to have the effect of, terminating the registration of the Common Stock
under the Exchange Act nor has the Company received any notification that the Commission is contemplating terminating such registration. Except as set forth in the SEC Reports, the Company has not, in the 12 months preceding the Effective Date,
received notice from any Trading Market on which the Common Stock is or has been listed or quoted to the effect that the Company is not in compliance with the listing or maintenance requirements of such Trading Market. The Company is in compliance
with all such listing and maintenance requirements. 
 (w) 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 

  
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incorporation that is or could become applicable to the Purchaser as a result of the Purchaser 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 Purchaser’s ownership of the any of the Securities. 

(x) Disclosure. Except with respect to the material terms and conditions of the transactions contemplated by the
Transaction Documents, the Company confirms that neither it nor any other Person acting on its behalf has provided the Purchaser or its agents or counsel with any information that it believes constitutes or might constitute material, non-public
information. The Company understands and confirms that the Purchaser will rely on the foregoing representation in effecting transactions in securities of the Company. The Company acknowledges and agrees that the Purchaser does not make or has not
made any representations or warranties with respect to the transactions contemplated hereby other than those specifically set forth in Section 3.2 hereof. 

(y) 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 each subsidiary has timely filed all necessary federal, state and foreign income and franchise tax returns and has timely paid or accrued all taxes shown as due thereon, and the Company has no
knowledge of a tax deficiency which has been asserted or threatened against the Company or any subsidiary. 
 (z)
Foreign Corrupt Practices. Neither the Company, nor to the knowledge of the Company, any agent or other person acting on behalf of the Company, 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 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 the Foreign Corrupt Practices Act of 1977, as amended. 
 (aa) Accountants. The
Company’s independent registered public accounting firm is identified in the SEC Reports and such accounting firm is a registered public accounting firm as required by the Exchange Act. 

(bb) Acknowledgment Regarding Purchaser’s Purchase of Securities. The Company acknowledges and agrees that the
Purchaser 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 the Purchaser is not 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 the Purchaser or any of its respective representatives or agents in
connection with the Transaction Documents and the transactions contemplated thereby is merely incidental to the Purchaser’s purchase of the Securities. The Company further represents to the 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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 (cc) Acknowledgement Regarding Purchaser’s Trading Activity.
Anything in this Agreement or elsewhere herein to the contrary notwithstanding (except for Section 3.2(e) hereof and the first sentence of Section 4.12), it is understood and acknowledged by the Company that: (i) the Purchaser has not
been asked by the Company to agree, nor has the Purchaser agreed, to desist from purchasing or selling, long and/or short, securities of the Company, or “derivative” securities based on securities issued by the Company or to hold the
Securities for any specified term; (ii) past or future open market or other transactions by the Purchaser, specifically including, without limitation, Short Sales or “derivative” transactions, before or after the closing of this or
future private placement transactions, may negatively impact the market price of the Company’s publicly-traded securities; (iii) the Purchaser, and counter-parties in “derivative” transactions to which the Purchaser is a party,
directly or indirectly, presently may have a “short” position in the Common Stock, and (iv) the Purchaser shall not be deemed to have any affiliation with or control over any arm’s length counter-party in any
“derivative” transaction. The Company further understands and acknowledges that (y) the Purchaser may engage in hedging activities at various times during the period that the Securities are outstanding, including, without limitation,
during the periods that the value of the Warrant Shares deliverable with respect to Securities are being determined, and (z) such hedging activities (if any) could reduce the value of the existing stockholders’ equity interests in the
Company at and after the time that the hedging activities are being conducted. The Company acknowledges that such aforementioned hedging activities do not constitute a breach of any of the Transaction Documents. 

(dd) Regulation M Compliance. The Company has not, and to its knowledge no one acting on its behalf has,
(i) taken, directly or indirectly, any action designed to cause or to result in the stabilization or manipulation of the price of any security of the Company to facilitate the sale or resale of any of the Securities, (ii) sold, bid for,
purchased, or, paid any compensation for soliciting purchases of, any of the Securities, or (iii) paid or agreed to pay to any Person any compensation for soliciting another to purchase any other securities of the Company, other than, in the
case of clauses (ii) and (iii), compensation paid to the Placement Agent in connection with the placement of the Securities. 
 (ee) No Integrated Offering. None of the Company, its subsidiaries or any of their affiliates, nor any Person acting on 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 require approval of stockholders of the Company under any applicable stockholder approval provisions, including, without
limitation, under the rules and regulations of any exchange or automated quotation system on which any of the securities of the Company are listed or designated for quotation. 

(ff) Securities Act Exemption. Assuming the accuracy of the representations and warranties of the Purchaser
contained in Section 3.2 hereof, the offer and sale of the Securities to the Purchaser as contemplated hereby is exempt from the registration requirements of the Securities Act. 

  
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 (gg) No Undisclosed Events, Liabilities, Developments or
Circumstances. To the knowledge of the Company’s executive officers (as such term is defined in Rule 501 promulgated under the Securities Act), no event, liability, development or circumstance has occurred or exists, or is reasonably
expected to occur or exist with respect to the Company, any of its subsidiaries or any of their respective businesses, properties, liabilities, prospects, operations (including results thereof) or condition (financial or otherwise), that would be
required to be disclosed by the Company under applicable securities laws on a registration statement on Form S-1 filed with the Commission relating to an issuance and sale by the Company of its Common Stock and which has not been publicly announced.

 (hh) Shell Company Status. The Company is not, and has never been, an issuer identified in Rule 144(i),
and Rule 144(i) has never applied to the Company. 
 (ii) Indebtedness and Other Contracts. Neither the
Company nor any of its subsidiaries (i) except as disclosed in the SEC Reports, has any outstanding Indebtedness, (ii) is a party to any contract, agreement or instrument, the violation of which, or default under which, by the other
party(ies) to such contract, agreement or instrument could reasonably be expected to result in a Material Adverse Effect, (iii) is in violation of any term of, or in default under, any contract, agreement or instrument relating to any
Indebtedness, except where such violations and defaults would not result, individually or in the aggregate, in a Material Adverse Effect, or (iv) is a party to any contract, agreement or instrument relating to any Indebtedness, the performance
of which, in the judgment of the Company’s officers, has or is expected to have a Material Adverse Effect. 
 3.2
Representations and Warranties of the Purchaser. The Purchaser represents and warrants to the Company as follows: 
 (a) Organization; Authority. The Purchaser is either an individual or an entity duly organized, validly existing and in good standing under the laws of the jurisdiction of its organization with
full right, corporate or partnership power and authority to enter into and to consummate the transactions contemplated by this Agreement and otherwise to carry out its obligations hereunder and thereunder. The execution and delivery of this
Agreement and performance by the Purchaser of the transactions contemplated by this Agreement have been duly authorized by all necessary corporate, partnership, limited liability company or similar action, as applicable, on the part of the
Purchaser. Each Transaction Document to which it is a party has been duly executed by the Purchaser, and when delivered by the Purchaser in accordance with the terms hereof, will constitute the valid and legally binding obligation of the 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) Investment Experience. The Purchaser (i) is knowledgeable,
sophisticated and experienced in making, and is qualified to make decisions with respect to, investments in shares presenting an investment decision like that involved in the purchase of the Units, including investments in securities issued by the
Company and investments in comparable companies and (ii) subject to Section 3.3, in connection with its decision to purchase the number of Shares and Warrants set forth on the Purchaser’s signature page, Purchaser has relied
solely upon the SEC Reports and the representations and warranties of the Company contained in this Agreement. Purchaser acknowledges its opportunity to review copies of the SEC Reports. At the time the Purchaser was first offered the Securities, it
was, and as of the date hereof it is, 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. 
 (c) No Legal or Tax Advice. The Purchaser understands that nothing in
this Agreement or any other materials presented to the Purchaser in connection with the purchase and sale of the Units constitutes legal, tax or investment advice. The Purchaser has consulted such legal, tax and investment advisors and made such
investigation as it, in its sole discretion, has deemed necessary or appropriate in connection with its purchase of Units. The Purchaser also understands that there is no established public trading market for the Warrants being offered pursuant to
this Agreement, and that the Company does not expect such a market to develop. In addition, the Company does not intend to apply for listing the Warrants on any securities exchange. Without an active market, the liquidity of the Warrants will be
limited. 
 (d) Investment Intent. The Purchaser (i) is acquiring the Shares and Warrant, and
(ii) upon exercise of the Warrant will acquire the Warrant Shares issuable upon exercise thereof, in each case, for its own account and not with a view towards, or for resale in connection with, the public sale or the distribution thereof in
violation of applicable securities laws, except pursuant to sales registered or exempted under the Securities Act; provided, however, by making the representations herein, the Purchaser does not agree, or make any representation or warranty, to hold
any of the Securities for any minimum or other specific term and reserves the right to dispose of the Securities at any time in accordance with or pursuant to a registration statement or an exemption under the Securities Act. The Purchaser does not
presently have any agreement or understanding, directly or indirectly, with any Person to distribute any of the Securities in violation of applicable securities laws. 

(e) Transfer or Resale. The Purchaser understands that except as provided in the Registration Rights Agreement:
(i) the Securities have not been and are not being registered under the Securities Act or any state securities laws, and may not be, and the Purchaser hereby agrees that the Securities may not be, offered for sale, sold, assigned or transferred
unless (A) subsequently registered thereunder, (B) the Purchaser shall have delivered to the Company (if requested by the Company) an opinion of counsel to the Purchaser, in a form reasonably acceptable to the Company, to the effect that
such Securities to be sold, assigned or transferred may be sold, assigned or transferred pursuant to an exemption from such registration, or (C) the Purchaser provides the Company with reasonable assurance that such Securities can be sold,
assigned or transferred pursuant to 

  
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Rule 144 or Rule 144A promulgated under the Securities Act (or a successor rule thereto) (collectively, “Rule 144”); (ii) any sale of the Securities made in reliance on Rule
144 may be made only in accordance with the terms of Rule 144, and further, if Rule 144 is not applicable, any resale of the Securities under circumstances in which the seller (or the Person through whom the sale is made) may be deemed to be an
underwriter (as that term is defined in the Securities Act) may require compliance with some other exemption under the Securities Act or the rules and regulations of the Commission promulgated thereunder; and (iii) neither the Company nor any
other Person is under any obligation to register the Securities under the Securities Act or any state securities laws or to comply with the terms and conditions of any exemption thereunder. The Company shall be entitled to give stop transfer
instructions to its Transfer Agent with respect to the Securities in order to enforce the foregoing restrictions. 
 3.3
Acknowledgement. The Company acknowledges and agrees that the representations contained in Section 3.2, including, without limitation, Section 3.2(b), shall not modify, amend or affect the 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 transaction contemplated hereby. 
 3.4 Residency. The investment decision was made
for Purchaser in the jurisdiction indicated below such Purchaser’s name on the applicable signature page hereto. 
 3.5
Legend. The Purchaser understands that the Securities have been issued (or will be issued in the case of the Warrant Shares) pursuant to an exemption from registration or qualification under the 1933 Act and applicable state securities laws,
and except as set forth below, the Securities shall bear any legend as required by the “blue sky” laws of any state and a restrictive legend in substantially the following form (and a stop-transfer order may be placed against transfer of
such stock certificates): 
 [NEITHER THE ISSUANCE AND SALE OF THE SECURITIES REPRESENTED BY THIS CERTIFICATE NOR THE SECURITIES
INTO WHICH THESE SECURITIES ARE [EXERCISABLE] HAVE BEEN][THE SECURITIES REPRESENTED BY THIS CERTIFICATE HAVE NOT BEEN] REGISTERED UNDER THE SECURITIES ACT OF 1933, AS AMENDED, OR APPLICABLE STATE SECURITIES LAWS. THE SECURITIES MAY NOT BE OFFERED
FOR SALE, SOLD, TRANSFERRED OR ASSIGNED (I) IN THE ABSENCE OF (A) AN EFFECTIVE REGISTRATION STATEMENT FOR THE SECURITIES UNDER THE SECURITIES ACT OF 1933, AS AMENDED, OR (B) AN OPINION OF COUNSEL TO THE HOLDER (IF REQUESTED BY THE
COMPANY), IN A FORM REASONABLY ACCEPTABLE TO THE COMPANY, THAT REGISTRATION IS NOT REQUIRED UNDER SAID ACT OR (II) UNLESS SOLD OR ELIGIBLE TO BE SOLD PURSUANT TO RULE 144 OR RULE 144A UNDER SAID ACT. NOTWITHSTANDING THE FOREGOING, THE SECURITIES MAY
BE PLEDGED IN CONNECTION WITH A BONA FIDE MARGIN ACCOUNT OR OTHER LOAN OR FINANCING ARRANGEMENT SECURED BY THE SECURITIES. 

  
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 ARTICLE IV. 
 OTHER AGREEMENTS OF THE PARTIES 
 4.1 Legend Removal; Buy-In. 

(a) Removal of Legends. Certificates evidencing Securities shall not be required to contain the legend set forth in
Section 3.5 above or any other legend (i) while a registration statement (including a Registration Statement) covering the resale of such Securities is effective under the Securities Act, (ii) if such Securities are, or are eligible
to be sold, assigned or transferred under Rule 144 (provided that the Purchaser provides the Company with reasonable assurances that such Securities are eligible for sale, assignment or transfer under Rule 144 which shall not include an opinion of
counsel) or (iii) in connection with a sale, assignment or other transfer (other than under Rule 144), provided that the Purchaser provides the Company with an opinion of counsel to the Purchaser, in a form acceptable to the Company, to the
effect that such sale, assignment or transfer of the Securities may be made without registration under the applicable requirements of the Securities Act. If a legend is not required pursuant to the foregoing, the Company shall no later than two
(2) Trading Days following the delivery by a the Purchaser to the Company or the transfer agent (with notice to the Company) of a legended certificate representing such Securities (endorsed or with stock powers attached, signatures guaranteed,
and otherwise in form necessary to affect the reissuance and/or transfer, if applicable), together with any other deliveries from the Purchaser as may be required above in this Section 4.1(a), as directed by the Purchaser, either:
(A) provided that the Transfer Agent is participating in the DTC Fast Automated Securities Transfer Program and such Securities are Shares or Warrant Shares, credit the aggregate number of shares of Common Stock to which such the Purchaser
shall be entitled to the Purchaser’s or its designee’s balance account with DTC through its Deposit/Withdrawal at Custodian system or (B) if the Transfer Agent is not participating in the DTC Fast Automated Securities Transfer
Program, issue and deliver (via reputable overnight courier) to the Purchaser, a certificate representing such Securities that is free from all restrictive and other legends, registered in the name of the Purchaser or its designee (the date by which
such credit is so required to be made to the balance account of the Purchaser’s or the Purchaser’s nominee with DTC or such certificate is required to be delivered to the Purchaser pursuant to the foregoing is referred to herein as the
“Required Delivery Date”). 
 (b) Failure to Timely Deliver; Buy-In. If (x) the Company fails to
(i) issue and deliver (or cause to be delivered) to the Purchaser by the Required Delivery Date a certificate representing the Securities so delivered to the Company by the Purchaser that is free from all restrictive and other legends or (ii) credit
the balance account of the Purchaser’s or the Purchaser’s nominee with DTC for such number of Shares or Warrant Shares so delivered to the Company and (y) if on or after the Required Delivery Date the Purchaser (or any other Person in
respect, or on behalf, of the Purchaser) purchases (in an open market transaction or otherwise) shares of Common Stock to deliver in satisfaction of a sale by the 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 the 

  
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Purchaser so anticipated receiving from the Company without any restrictive legend, then, in addition to all other remedies available to the Purchaser, the Company shall, within three
(3) Trading Days after the Purchaser’s written request either (i) pay cash to the Purchaser in an amount equal to the 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”), at which point the Company’s obligation to so deliver such certificate or credit the
Purchaser’s balance account shall terminate and such shares shall be cancelled, or (ii) promptly honor its obligation to so deliver to the Purchaser a certificate or certificates or credit the Purchaser’s DTC account representing such
number of shares of Common Stock that would have been so delivered if the Company timely complied with its obligations hereunder and pay cash to the Purchaser in an amount equal to the excess (if any) of the Buy-In Price minus the product of
(A) such number of Shares or Warrant Shares (as the case may be) that the Company was required to deliver to the Purchaser by the Required Delivery Date multiplied by (B) the Closing Sale Price (as defined in the Warrant) of the Common
Stock on the date the Company has so issued such delivered and made such payment in each case under this clause (ii). 
 (c) Transfer Agent Instructions. The Company shall issue irrevocable instructions to its Transfer Agent in a form acceptable to the Purchaser (the “Irrevocable Transfer Agent
Instructions”) to issue certificates or credit shares to the applicable balance accounts at The Depository Trust Company (“DTC”), registered in the name of the Purchaser or its respective nominee(s), for the Shares and the
Warrant Shares in such amounts as specified from time to time by the Purchaser to the Company upon delivery of the Shares or the exercise of the Warrants (as the case may be). The Company represents and warrants that no instruction other than the
Irrevocable Transfer Agent Instructions referred to in this Section 4.1, and stop transfer instructions to give effect to Section 3.2(e) hereof, will be given by the Company to its Transfer Agent with respect to the Securities, and that
the Securities shall otherwise be freely transferable on the books and records of the Company, as applicable, to the extent provided in this Agreement and the other Transaction Documents. If the Purchaser effects a sale, assignment or transfer of
the Securities in accordance with Section 3.2(e), the Company shall permit the transfer and shall promptly instruct its Transfer Agent to issue one or more certificates or credit shares to the applicable balance accounts at DTC in such name and
in such denominations as specified by the Purchaser to effect such sale, transfer or assignment. In the event that such sale, assignment or transfer involves Shares or Warrant Shares sold, assigned or transferred pursuant to an effective
Registration Statement or in compliance with Rule 144, the transfer agent shall issue such shares to the Purchaser, assignee or transferee (as the case may be) without any restrictive legend in accordance with Section 3.5(c) below. The Company
acknowledges that a breach by it of its obligations hereunder will cause irreparable harm to the Purchaser. Accordingly, the Company acknowledges that the remedy at law for a breach of its obligations under this Section 3.5(a) will be
inadequate and agrees, in the event of a breach or threatened breach by the Company of the provisions of this Section 3.5(a), that the Purchaser shall be entitled, in addition to all other available remedies, to an order and/or injunction
restraining any breach and requiring immediate issuance and transfer, without the necessity of showing economic loss and without any bond or other security being 

  
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required. The Company shall cause its counsel to issue the legal opinion referred to in the Irrevocable Transfer Agent Instructions to the Company’s transfer agent on each Effective Date (as
defined in the Registration Rights Agreement). Any fees (with respect to the Transfer Agent, counsel to the Company or otherwise) associated with the issuance of such opinion or the removal of any legends on any of the Securities shall be borne by
the Company. 
 4.2 Best Efforts. The Purchaser shall use its best efforts to timely satisfy each of the conditions to be
satisfied by it as provided in Section 2.3(a) hereof. The Company shall use its best efforts to timely satisfy each of the conditions to be satisfied by it as provided in Section 2.3(b) of this Agreement. 

4.3 Form D and Blue Sky. The Company shall file a Form D with respect to the Securities as required under Regulation D and to
provide a copy thereof to the Purchaser promptly after such filing. The Company shall, on or before the Closing Date, 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 Purchaser at the Closing pursuant to this Agreement under applicable securities or “Blue Sky” laws of the states of the United States (or to obtain an exemption from such qualification), and shall provide
evidence of any such action so taken to the Purchaser on or prior to the Closing Date. Without limiting any other obligation of the Company under this Agreement, the Company shall timely make all filings and reports relating to the offer and sale of
the Securities required under all applicable securities laws (including, without limitation, all applicable federal securities laws and all applicable “Blue Sky” laws), and the Company shall comply with all applicable federal, foreign,
state and local laws, statutes, rules, regulations and the like relating to the offering and sale of the Securities to the Purchaser. 
 4.4 Reporting Status; Integration; Use of Proceeds. 
 (a)
Until the date on which no Warrants are outstanding, the Company shall timely file all reports required to be filed with the Commission pursuant to the Exchange Act, and the Company shall not terminate its status as an issuer required to file
reports under the Exchange Act even if the Exchange Act or the rules and regulations thereunder would no longer require or otherwise permit such termination. 
 (b) 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 for purposes of the rules and regulations of any Trading Market such that it would require stockholder approval prior to the closing of such other transaction unless the stockholder approval required under such
rules and regulations is actually obtained before the closing of such subsequent transaction that gives rise to the integration. 
 (c) The Company shall use the proceeds from the sale of the Securities solely for general working capital purposes. 
 4.5 Securities Laws Disclosure; Publicity. The Company shall by 8:30 a.m. (New York City time) on the Effective Date, (i) issue a press release disclosing the material terms of the
transactions contemplated hereby and (ii) file a Current Report on Form 
 8-K disclosing the


  
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material terms of the transaction and including the Transaction Documents as exhibits thereto. From and after the issuance of such press release, the Company shall have publicly disclosed all
material, non-public information delivered to the Purchaser by the Company or any of its subsidiaries, or any of their respective officers, directors, employees or agents (including, without limitation, the Placement Agent) in connection with the
transactions contemplated by the Transaction Documents. The Company and the Purchaser shall consult with each other in issuing any other press releases with respect to the transactions contemplated hereby, and neither the Company nor the Purchaser
shall issue any such press release nor otherwise make any such public statement without the prior consent of the Company, with respect to any press release of the Purchaser, or without the prior consent of the Purchaser, with respect to any press
release of the Company, which consent shall not unreasonably be withheld or delayed, except if such disclosure is required by law, in which case the disclosing party shall promptly provide the other party with prior notice of such public statement
or communication. Notwithstanding the foregoing, the Company shall not publicly disclose the name of the Purchaser or any of its Affiliates, or include the name of the Purchaser or any of its Affiliates in any filing with the Commission or any
regulatory agency or Trading Market, without the prior written consent of the Purchaser, except (a) as required by federal securities law in connection with the filing of final Transaction Documents (including signature pages thereto) with the
Commission and (b) to the extent such disclosure is required by law or Trading Market regulations, in which case the Company shall provide the Purchaser with prior notice of such disclosure permitted under this clause (b). 

4.6 Shareholder Rights Plan. No claim will be made or enforced by the Company or, with the consent of the Company, any other
Person, that the 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 the Purchaser could be deemed to trigger the provisions of any such plan or arrangement, by virtue of receiving any of the Securities under the Transaction Documents or under any other agreement between the
Company and the Purchaser. 
 4.7 Non-Public Information. From and after the time that the transactions contemplated by
this Agreement are first publicly announced by the Company, the Company covenants and agrees that neither it, nor any other Person acting on its behalf will provide the Purchaser or its agents or counsel with any material non-public information
regarding the Company or any of its subsidiaries, unless prior thereto the Purchaser shall have executed a written agreement with the Company regarding the confidentiality and use of such information. The Company understands and confirms that the
Purchaser shall be relying on the foregoing covenant in effecting transactions in securities of the Company. If the Purchaser believes it has received any material, non-public information regarding the Company or any of its subsidiaries in breach of
the immediately preceding sentence, the Purchaser shall provide the Company with written notice thereof in which case the Company shall, within two (2) Trading Days of the receipt of such notice, either (x) make a public disclosure of all
material, non-public information so provided or (y) deliver a certification to the Purchaser that confirms that no material, non-public information was provided to the Purchaser. In the event of a breach of any of the foregoing covenants or any
of the covenants contained in Section 4.5 by the Company, any of its subsidiaries, or any of its or their respective 

  
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officers, directors, employees and agents (as determined in the reasonable good faith judgment of the Purchaser), in addition to any other remedy provided herein or in the Transaction Documents,
the Purchaser shall have the right to make a public disclosure, in the form of a press release, public advertisement or otherwise, of such material, non-public information without the prior approval by the Company, any of its subsidiaries, or any of
its or their respective officers, directors, employees or agents. The Purchaser shall not have any liability to the Company, any of its subsidiaries, or any of its or their respective officers, directors, employees, stockholders or agents, for any
such disclosure. For avoidance of doubt, if the Purchaser was a party to an April Agreement (as defined below), neither the Company’s delivery of a Pre-Notice (as defined in the April Agreement) to the Purchaser in accordance with
Section 4.13 of its April Agreement nor the Pre-Notice itself will be considered to be a disclosure of, or constitute, material, non-public information with respect to the Company. 

4.8 Indemnification. Subject to the provisions of this Section 4.8, the Company will indemnify and hold the 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
the 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 (collectively, “Losses”) that any such Purchaser Party may
suffer or incur as a result of or relating to (a) any material breach of any representation or warranty made by the Company in any of the Transaction Documents, (b) any breach of any covenant, agreement or obligation of the Company
contained in any of the Transaction Documents or (c) any action, suit or claim instituted against a Purchaser Party in any capacity, or any of them or their respective Affiliates, by any stockholder of the Company or other third party, in each
case who is not an Affiliate of the applicable Purchaser Party, resulting from or relating to any of the transactions contemplated by any of the Transaction Documents (except to the extent, and only to the extent, such action is based upon a
material breach of the Purchaser’s representations, warranties or covenants under the Transaction Documents, a material breach of any agreements or understandings the Purchaser may have with any such stockholder or material violations by the
Purchaser of state or federal securities laws, or any conduct by the Purchaser which constitutes fraud, gross negligence, willful misconduct or malfeasance). To the extent that the foregoing undertaking by the Company may be unenforceable for any
reason, the Company shall make the maximum contribution to the payment and satisfaction of each of the Losses which is permissible under applicable law and is consistent with the standards for contribution set forth in Section 6 of the
Registration Rights Agreement as if they applied to the foregoing. Except as otherwise set forth herein, the mechanics, procedures, standards and limitations with respect to the rights and obligations under this Section 4.8 (including, without
limitation, any requirements for giving of notices, the right to control defense and settlement of any proceeding, the ability to participate in any defense, and limitations on settlement of actions and the effects of unauthorized settlement) shall
be the same as those set forth in Section 6 of the Registration Rights Agreement. 

  
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 4.9 Reservation of Common Stock. As of the Effective Date, the Company has reserved
and the Company shall continue to reserve and keep available at all times, free of preemptive rights, a sufficient number of shares of Common Stock for the purpose of enabling the Company to issue Shares pursuant to this Agreement and Warrant Shares
pursuant to any exercise of the Warrants (without regard to any limitations on the exercise of the Warrants set forth therein). 

4.10 Listing of Common Stock. The Company hereby agrees to use best efforts to maintain the listing or quotation of the Common
Stock on the Trading Market on which it is currently listed, and the Company shall promptly secure the listing of all of the Shares and the Warrant Shares on such Trading Market (but in no event later than the Closing Date). The Company further
agrees, if the Company applies to have the Common Stock traded on any other Trading Market, it will then include in such application all of the Shares and Warrant Shares, and will take such other action as is necessary to cause all of the Shares and
the Warrant Shares to be listed or quoted on such other Trading Market as promptly as possible. The Company will then take all action reasonably necessary to continue the listing and trading of its Common Stock on a Trading Market and will comply in
all respects with the Company’s reporting, filing and other obligations under the bylaws or rules of the Trading Market. 

4.11 Company Lock-Ups. 
 (a) During the period commencing on the date hereof and ending on the date immediately following the forty-five (45) day anniversary of the Effective Date (the “Restricted Period”),
neither the Company nor any of its subsidiaries shall directly or indirectly issue, offer, sell, grant any option or right to purchase, or otherwise dispose of (or announce any issuance, offer, sale, grant of any option or right to purchase or other
disposition of) any equity security or any equity-linked or related security (including, without limitation, any “equity security” (as that term is defined under Rule 405 promulgated under the Securities Act), any Common Stock Equivalents,
any debt, any preferred stock or any purchase rights) (any such issuance, offer, sale, grant, disposition or announcement (whether occurring during the Restricted Period or at any time thereafter) is referred to as a “Subsequent
Placement”). 
 (b) During the period commencing on the date hereof and ending on the date immediately
following the third anniversary of the Closing Date, the Company shall be prohibited from effecting or entering into an agreement to effect any Subsequent Placement 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 (but not including any routine anti-dilution protections in any warrant or convertible security) or 

  
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(ii) enters into any agreement (including, without limitation, an “equity line of credit” or an “at-the-market offering” (as defined in Rule 415(a)(4) promulgated under the
Securities Act)) whereby the Company or any subsidiary may sell securities at a future determined price (other than standard and customary “preemptive” or “participation” rights), provided that notwithstanding the foregoing, the
Company may effect either of the following transactions without restriction hereunder: (A) after the six month anniversary of the Closing Date, the Company may conduct an “at-the-market offering” (as defined in Rule 415(a)(4)
promulgated under the Securities Act) so long as no shares of Common Stock are sold in such offering for less than $3.50 per share (as adjusted for stock splits, stock combinations and other similar transactions occurring after the date of this
Agreement) and (B) after the one year anniversary of the Closing Date, the Company may conduct an “at the market offering” (as defined in Rule 415(a)(4) promulgated under the Securities Act) so long as no shares of Common Stock are
sold in such offering for price per share that is less than the Exercise Price (as defined in the Warrant) (as adjusted for stock splits, stock combinations and other similar transactions occurring after the date of this Agreement). The 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. 

(c) Notwithstanding the foregoing, (i) Sections 4.11(a) and (b) shall not apply in respect of an Exempt Issuance
and (ii) no Variable Rate Transaction shall be, or shall be deemed to constitute, an Exempt Issuance. 
 (d)
Until the Applicable Date (as defined below) and at any time thereafter while any Registration Statement is not effective or any prospectus contained therein is not available for use, the Company shall not file any registration statement under the
Securities Act relating to securities that are not the Registrable Securities. “Applicable Date” means the first date on which the resale by the Purchaser of all its Registrable Securities is covered by one or more effective
Registration Statements (as defined in the Registration Rights Agreement) (and each prospectus contained therein is available for use on such date). 
 4.12 Certain Transactions and Confidentiality. The Purchaser covenants that neither it nor any Affiliate acting on its behalf or pursuant to any understanding with it will execute any purchases or
sales, including Short Sales of any of the Company’s securities during the period commencing with the execution of this Agreement and ending at such time that the transactions contemplated by this Agreement are first publicly announced (it
being understood and agreed that for all purposes of this Agreement, and without implication that the contrary would otherwise be true, transactions, purchases and sales shall not include the location and/or reservation of borrowable shares of
Common Stock). The Purchaser covenants that until such time as the transactions contemplated by this Agreement are publicly disclosed, the Purchaser will maintain the confidentiality of the existence and terms of this
transaction. Notwithstanding the foregoing, and notwithstanding anything contained in this Agreement to the contrary, the Company expressly acknowledges and agrees that (i) the Purchaser makes no representation, warranty or covenant hereby
that it will not engage in effecting transactions in any securities of the Company after the time that the transactions contemplated by this Agreement are first publicly announced by the Company, (ii) the Purchaser shall not be restricted or
prohibited from 

  
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effecting any transactions in any securities of the Company in accordance with applicable securities laws from and after the time that the transactions contemplated by this Agreement are first
publicly announced by the Company and (iii) the Purchaser shall have no duty of confidentiality to the Company or its subsidiaries after the transactions contemplated by this Agreement are first publicly announced by the
Company. Notwithstanding the foregoing, in the case the Purchaser is a multi-managed investment vehicle whereby separate portfolio managers manage separate portions of the Purchaser’s assets and the portfolio managers have no actual
knowledge of the investment decisions made by the portfolio managers managing other portions of the Purchaser’s assets, the covenant set forth above shall only apply with respect to the portion of assets managed by the portfolio manager that
made the investment decision to purchase the Securities covered by this Agreement. Notwithstanding anything contained in this Agreement to the contrary and without implication that the contrary would otherwise be true, the Company expressly
acknowledges and agrees that the Purchaser shall not have (unless expressly agreed to by the Purchaser after the date hereof in a written definitive and binding agreement executed by the Company and the Purchaser or, solely with respect to the
period commencing with the execution of this Agreement and ending at such time that the transactions contemplated by this Agreement are first publicly announced by the Company, as expressly contemplated by the provisions of this
Section 4.12), any duty of confidentiality with respect to, or a duty not to trade on the basis of, any information regarding the Company or any of its subsidiaries. 

4.13 Other Terms. The Company represents, warrants and covenants that the Company has not entered into, and will not enter into,
any agreement or instrument with, or for the benefit of, any of the other Purchasers or any other third party purchaser of securities of the Company substantially concurrent with the Closing on terms or conditions which are more favorable to any
such other Purchaser or third party purchaser than the terms and conditions provided to, or for the benefit of, the Purchaser (other than the Company agreed to pay to Cranshire Capital Master Fund, Ltd. a non-accountable amount equal to $25,000 for
various costs and expenses, which may be withheld by Cranshire Capital Master Fund, Ltd. from its subscription amount to be paid at Closing). To the extent the Company enters into any agreement or instrument with, or for the benefit of, any of such
other Purchasers or any such third party purchaser that contains any terms or conditions which are more favorable to any of such other Purchasers or any such third party purchaser than the terms and conditions provided to, or for the benefit of, the
Purchaser, then the Purchaser, at its option, shall be entitled to the benefit of such more favorable terms or conditions (as the case may be) and this Agreement shall be automatically amended to reflect such more favorable terms or conditions (as
the case may be). 
 ARTICLE V. 
 MISCELLANEOUS 
 5.1 Termination. This Agreement
may be terminated by the Purchaser or the Company upon written notice to the other party if the Closing has not been consummated on or before the fifth (5th) Trading Day following the Effective Date, provided that a party shall not have the right to so terminate this
Agreement if it breaches any of its obligations under this Agreement. Nothing contained in this Section 5.1 shall be deemed to release any party from any liability for any breach by such party of the terms and provisions of this Agreement or
the other Transaction Documents or to impair the right of any party to compel specific performance by any other party of its obligations under this Agreement or the other Transaction Documents. 

  
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 5.2 Fees and Expenses. 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. The Company shall pay all Transfer Agent fees, stamp taxes and other taxes and duties levied in connection with the delivery of any Securities to the Purchaser. [The Company shall reimburse the Purchaser or its designee(s) for all
costs and expenses incurred by it or its affiliates in connection with the transactions contemplated by the Transaction Documents (including, without limitation, all legal fees and disbursements in connection therewith, structuring, documentation
and implementation of the transactions contemplated by the Transaction Documents and due diligence and regulatory filings in connection therewith) in a non-accountable amount equal to $25,000, which amount shall be withheld by the Purchaser from its
Subscription Amount at the Closing or paid by the Company on demand by the Purchaser if the Purchaser terminates its obligations under this Agreement in accordance with Section 5.1 (as the case may be).]1 

5.3 Entire Agreement. This Agreement, the Transaction Documents, together with the exhibits and schedules thereto, contain the
entire understanding of the parties solely with respect to the subject matter hereof and supersede all prior agreements and understandings, oral or written, solely with respect to such subject matter, which the parties acknowledge have been merged
into such documents, exhibits and schedules; provided, however, nothing contained in this Agreement or any other Transaction Document shall (or shall be deemed to) (i) have any effect on any agreements the Purchaser has entered into with, or
any instruments the Purchaser has received from, the Company or any of its subsidiaries prior to the date hereof with respect to any prior investment made by the Purchaser in the Company or (ii) waive, alter, modify or amend in any respect any
obligations of the Company or any of its subsidiaries, or any rights of or benefits to the Purchaser or any other Person, in any agreement entered into prior to the date hereof between or among the Company and/or any of its subsidiaries and the
Purchaser, or any instruments the Purchaser received from the Company and/or any of its subsidiaries prior to the date hereof, and all such agreements and instruments shall continue in full force and effect. As a material inducement for the
Purchaser to enter into this Agreement, the Company expressly acknowledges and agrees that (i) no due diligence or other investigation or inquiry conducted by the Purchaser, any of its advisors or any of its representatives shall affect the
Purchaser’s right to rely on, or shall modify or qualify in any manner or be an exception to any of, the Company’s representations and warranties contained in this Agreement or any other Transaction Document and (ii) unless a
provision of this Agreement or any other Transaction Document is expressly preceded by the phrase “except as disclosed in the SEC Reports,” nothing contained in any of the SEC Reports shall affect the Purchaser’s right to rely on, or
shall modify or qualify in any manner or be an exception to any of, the Company’s representations and warranties contained in this Agreement or any other Transaction Document. 

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 date of transmission, if such notice or communication is delivered via facsimile at the facsimile number set forth on the signature pages attached hereto prior to 5:30
p.m. (New York City time) on a Trading Day, (b) the next Trading Day after the date of 
  

	1 	To be deleted for all purchasers other than Cranshire Capital Master Fund, Ltd. 


  
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transmission, if such notice or communication is delivered via facsimile at the facsimile number 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. 
 5.5
Amendments; Waivers. Except as expressly contemplated by Section 4.13, provisions of this Agreement and each other Subscription Agreement may be amended only with the written consent of the Company and the Required Investors (as defined in
the Registration Rights Agreement). Any amendment effected in accordance with this Section 5.5 shall be binding upon the Purchaser, each of the other Purchasers and the Company, provided that no such amendment shall be effective to the extent that
it (a) applies to less than all of the Purchasers, (b) imposes any obligation or liability on the Purchaser without the Purchaser’s prior written consent (which may be granted or withheld in the Purchaser’s sole discretion) or (c) applies
retroactively. No waiver shall be effective unless it is in writing and signed by an authorized representative of the waiving party, provided that the Required Investors (in a writing signed by all of the Required Investors) may waive any provision
of this Agreement and each of the other Subscription Agreements, and any waiver of any provision of this Agreement and the other Subscription Agreements made in conformity with the provisions of this Section 5.5 shall be binding on the Purchaser and
each of the other Purchasers, provided further that no such waiver shall be effective to the extent that it (1) applies to less than all of the Purchasers (unless a party gives a waiver as to itself only) or (2) imposes any obligation or liability
on the Purchaser without the Purchaser’s prior written consent (which may be granted or withheld in the Purchaser’s sole discretion). No consideration shall be offered or paid to any Person to amend or consent to a waiver or modification
of any provision of this Agreement or any of the other Subscription Agreements unless the same consideration also is offered to all of the parties to all of the Purchasers. 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. 
 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 the Purchaser (other than by merger). The Purchaser may assign any or all of its rights under this Agreement to any Person to whom the Purchaser assigns or transfers any Securities
in accordance with Section 3.2(e) as long as such Person agrees in writing prior to such transfer to be bound with respect to the transferred Securities as a Purchaser hereunder, in which event such assignee shall be deemed to be the Purchaser
hereunder with respect to such assigned rights. 
 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 4.8. 

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, 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 

  
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agrees not to assert in any suit, action or proceeding, any claim that it is not personally subject to the jurisdiction of any such court, that such suit, 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 suit, 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 either party shall commence an action or proceeding to enforce any provisions of the Transaction Documents, then, in addition to the
obligations of the Indemnifying Parties under Section 4.8, the prevailing party in such action or proceeding shall be reimbursed by the other party for its reasonable attorneys’ fees and other costs and expenses incurred with the
investigation, preparation and prosecution of such action or proceeding. Nothing contained in this Section 5.9 shall limit any provision of Section 13 of the Warrant. 

5.10 Survival. The representations, warranties and covenants contained herein shall survive the Closing and the delivery of the
Shares and Warrants. 
 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 the other party, it being understood that both parties need not sign the same counterpart. In
the event that any signature is delivered by facsimile transmission or 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 facsimile or “.pdf” signature page were an original thereof. 

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 the 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 the 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 an exercise of a Warrant, the Purchaser shall be required to return any shares of Common Stock subject to any such rescinded exercise notice concurrently with the return to the
Purchaser of the aggregate exercise price paid to the Company for such shares and the restoration of the Purchaser’s right to acquire such shares pursuant to the Purchaser’s Warrant (including, issuance of a replacement warrant certificate
evidencing such restored right). 

  
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 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 Purchaser 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 the Purchaser pursuant to any Transaction Document or the 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. 
 5.17
Partial Damages. The Company’s obligations to pay any partial damages or other amounts owing under the Transaction Documents is a continuing obligation of the Company and shall not terminate until all unpaid partial damages and other
amounts have been paid notwithstanding the fact that the instrument or security pursuant to which such partial damages or other amounts are due and payable shall have been canceled. 

5.18 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. 
 5.19 Construction. The parties agree that each of them and/or their respective counsel has 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 hereto. No specific representation or warranty shall limit the
generality or 

  
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applicability of a more general representation or warranty. 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 Effective Date. 
 5.20 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. 
 5.21 Independent Nature of Purchaser’s Obligations and Rights. The obligations of the Purchaser under this Agreement and the other Transaction Documents are several and not joint with the
obligations of any other Purchaser, and the Purchaser shall not be responsible in any way for the performance of the obligations of any other Purchaser under any other Transaction Document. The decision of the Purchaser to purchase Securities
pursuant to this Agreement has been made by the Purchaser independently of any other Purchaser. Nothing contained herein or in any other Transaction Document, and no action taken by the Purchaser pursuant hereto or thereto, shall be deemed to
constitute the Purchaser and the other Purchasers as, and the Company acknowledges that the Purchaser and the other Purchasers do not so constitute, a partnership, an association, a joint venture or any other kind of group or entity, or create a
presumption that the Purchaser or any of the other Purchasers are in any way acting in concert or as a group or entity with respect to such obligations or the transactions contemplated by the Transaction Documents or any matters, and the Company
acknowledges that the Purchaser and the other Purchasers are not acting in concert or as a group, and the Company shall not assert any such claim, with respect to such obligations or the transactions contemplated by this Agreement or any of the
other the Transaction Documents. The Purchaser acknowledges that no other Purchaser has acted as agent for the Purchaser in connection with making its investment hereunder and that no other Purchaser will be acting as agent of the Purchaser in
connection with monitoring its investment hereunder. The Purchaser shall be entitled to independently protect and enforce its rights, including, without limitation, the rights arising out of this Agreement or out of any 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. The use the same form of agreement with respect to the obligations of the Company contained herein was done solely for the
convenience of the Company and not because it was required or requested to do so by the Purchaser or any other Purchaser. It is expressly understood and agreed that each provision contained in this Agreement and in each other Transaction Document is
between the Company and the Purchaser, solely, and not between the Company and the Purchasers collectively and not between and among Purchasers. The Purchaser represents that it has been represented by its own separate legal counsel in its review
and negotiations of this Agreement and the Transaction Documents. 

  
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 5.22 Consent. If the Purchaser was a party to a subscription
agreement with the Company dated April 18, 2011 (the “April Agreement”) or is an assignee and/or transferee of the rights of a party thereto, then the Purchaser agrees that the Company shall not have to comply with
Section 4.13 of the April Agreement solely with respect to the issuance and sale of the Shares, the Warrants and the Warrant Shares contemplated by this Agreement and the other Subscription Agreements. [In connection with the foregoing, (x) the
Company hereby acknowledges that (i) Cranshire Capital, L.P. assigned and transferred all of its rights under its April Agreement to the Purchaser on October 1, 2011, in connection with its assignment and transfer of its Warrant (as defined in the
April Agreement) to the Purchaser and (ii) the Purchaser has all rights of a “Purchaser” thereunder and (y) the Purchaser hereby agrees to be bound by the provisions of the April Agreement as a “Purchaser” thereunder with respect
to such Warrant.]2 

(Signature Pages Follow) 
  

 

	2 	 To be deleted for all purchasers other than Cranshire Master Fund, Ltd. 



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

									
	ARCA BIOPHARMA, INC.	 		 	Address for Notice:
		 		 	 8001 Arista Place, Suite 430
 Broomfield, CO 80021
 Fascimile: (720) 208-9261

	By:	 	 	 		 	
		 	 Patrick M. Wheeler, Chief Financial Officer
	 		 		 	
		 		 		 		 	
	 With a copy to (which shall not constitute notice):
	 		 		 	
		 		 		 		 	
		 	 Cooley LLP

Attention: Brent D. Fassett

380 Interlocken Crescent, Suite 900

Broomfield, CO 80021-8023
	 		 		 	

 [REMAINDER OF PAGE INTENTIONALLY LEFT BLANK 

SIGNATURE PAGE FOR PURCHASER FOLLOWS] 

  
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 IN WITNESS WHEREOF, the undersigned have caused this Subscription Agreement to be duly

 executed by their respective authorized signatories as of the date first indicated above. 

Name of Purchaser:
                                         
                                         
                                         
          
 Signature of Authorized Signatory of Purchaser:
                                         
                                         
     
 Name of Authorized Signatory:
                                         
                                         
                               
 Title of Authorized Signatory:
                                         
                                         
                                 

Email Address of Authorized
Signatory:                                       
                                         
                   
 Facsimile Number of Authorized
Signatory:
                                         
                                         
                   
 Address for Notice of
Purchaser: 
 Exact Name in which the Shares and Warrants Should be Registered:
                                         
                                         
   
  
  
 Relationship to
Purchaser:                                       
                                         
                                         
                                
 Address for Delivery of Securities for Purchaser (if not same as address for notice): 

			
	 	  	
		
	 	  	
		
	 	  	

 Subscription Amount:
                     Units consisting of: 
  

			
	 Shares: ________________________________
	  	
		
	 Warrant Shares: __________________________
	  	
		
	Aggregate Purchase Price: __________________________	  	

 EIN Number: [PROVIDE THIS UNDER SEPARATE COVER] 
 Contact information for legal counsel to investor: 

			
	 	  	
		
	 	  	
		
	 	  	
		
	Email:_______________________	  	
		
	Fax:_________________________	  	


  
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 [For purposes of Acknowledging Section 5.22: 
 CRANSHIRE CAPITAL, L.P. 
  

					
	By:	 	 Cranshire Capital Advisors, LLC
	  	
	Its:	 	 Investment Manager
	  	
			
	By:	 	 	  	
			
	Its:	 	
                        
                        ]3
	  	

  
  

	3 	To be deleted for all purchasers other then Cranshire Capital Master Fund, Ltd. 


  
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