Document:

Purchase Agreement

 Exhibit 10.1 
 BIOPURE CORPORATION 
 SECURITIES PURCHASE AGREEMENT 
 This Securities Purchase Agreement (this “Agreement”) is made and entered into as of June 27, 2008, by and among Biopure
Corporation, a Delaware corporation (the “Company”), and each of the purchasers listed on Exhibit A attached hereto (collectively, the “Purchasers” and individually, a
“Purchaser”). 
 RECITALS 
 WHEREAS, the Company desires to issue and sell to the Purchasers, and the Purchasers desire to purchase from the Company, up to 6,810,772 units (each, a “Unit”), each unit consisting of one
share of Class A Common Stock, par value $0.01 per share, of the Company (the “Common Stock”) and one five-year warrant to purchase one share of Common Stock, on the terms and conditions set forth in this Agreement;

 WHEREAS, the Company and each Purchaser are executing and delivering this Agreement in reliance upon the exemption from securities
registration afforded by the provisions of Regulation D (“Regulation D”), as promulgated by the United States Securities and Exchange Commission (the “SEC”) under the Securities Act of 1933, as amended
(the “Securities Act”). 
 NOW, THEREFORE, in consideration of the foregoing, the mutual promises hereinafter set
forth, and other good and valuable consideration, the receipt and sufficiency of which are hereby acknowledged, the parties hereto agree as follows: 
 1. AGREEMENT TO PURCHASE AND SELL STOCK. 
 (a) Authorization. The Company’s Board of Directors has
authorized the issuance and sale, pursuant to the terms and conditions of this Agreement, of up to 6,810,772 Units, each Unit to consist of (i) one share of Common Stock (the “Purchased Shares”) and (ii) one
five-year warrant exercisable to purchase one share of Common Stock at $0.45 per share, substantially in the form attached hereto as Exhibit B (the “Purchased Warrants” and together with the Purchased Shares, the
“Purchased Securities”). 
 (b) Agreement to Purchase and Sell Securities. Subject to the terms and conditions
of this Agreement, each Purchaser severally agrees to purchase, and the Company agrees to sell and issue to each Purchaser, at the Closing (as defined below), that number of Units set forth opposite such Purchaser’s name on Exhibit A
attached hereto. The purchase price of each Unit (the “Per Unit Price”) shall be $0.3377. 
 (c) Use of
Proceeds. The Company intends to apply the net proceeds from the sale of the Purchased Securities for working capital and general corporate purposes. 
 (d) Obligations Several Not Joint. The obligations of each Purchaser under this Agreement are several and not joint with the obligations of any other Purchaser, and no Purchaser shall be responsible in any way
for the performance of the obligations of any other Purchaser under this Agreement. Nothing contained herein, and no action taken by any 

 
Purchaser pursuant hereto, shall be deemed to constitute the Purchasers as a partnership, an association, a joint venture or any other kind of entity, or
create a presumption that the Purchasers are in any way acting in concert or as a group with respect to such obligations or the transactions contemplated by this Agreement. Each Purchaser shall be entitled to independently protect and enforce its
rights, including without limitation the rights arising out of this Agreement, and it shall not be necessary for any other Purchaser to be joined as an additional party in any proceeding for such purpose. 
 (e) Regulatory Right to Terminate. Each Purchaser shall have the right to terminate this Agreement as to such Purchaser following the first
Closing unless the following occurs: The U.S. Food and Drug Administration (“FDA”) agrees to lift its clinical hold on human trials of Hemopure (which may be an oral agreement in principle, subject to protocol changes to be
made and filed by the Company, to one of the clinical trials heretofore submitted to the FDA) (“Regulatory Event”) resulting from the upcoming meeting at the FDA scheduled to occur on July 1, 2008 (the
“FDA Meeting). Promptly following the FDA Meeting the Company will report the outcome of the FDA Meeting to the Purchasers orally and will issue a press release concerning the meeting. The Company shall advise each
Purchaser whether or not it believes the Regulatory Event occurred, but each Purchaser shall make its own determination. Each Purchaser shall have the right to speak with any or all Company representatives who attended the FDA Meeting to reach such
Purchaser’s conclusion as to whether or not the Regulatory Event has occurred. Each Purchaser shall notify the Company in writing, such notice to be received by the Company no later than Friday, July 11, 2008, if he or it is exercising his
or its termination right. 
 (f) Financial Right to Terminate. Each Purchaser shall have the right to terminate this Agreement as to
such Purchaser if the Company does not have cash on hand of at least $2,500,000 (“the Cash Minimum”) on September 10, 2008 or later, as hereinafter described in this paragraph (f). The Company will notify each Purchaser
no later than September 11 the amount of cash on hand as of September 10, 2008, with such supporting information as any Purchaser may request. Thereafter Purchasers’ obligation to pay the installment otherwise due on September 15
will be suspended until such time as the Company’s cash on hand is at least the Cash Minimum. The Company will notify each Purchaser immediately upon the Cash Minimum having been attained, with such supporting information as any Purchaser may
request, and the payment otherwise due on September 15, 2008 will be paid on the business day following receipt of such notice (but not before September 15, 2008). Each Purchaser will have the right to terminate this Agreement if there
continues to be a shortfall in the Cash Minimum through September 29, 2008. 
 CLOSING. Each purchase and sale of the Purchased Securities
shall take place at the offices of the Company, 11 Hurley Street, Cambridge, Massachusetts 02141 at 9:00 a.m., Boston, Massachusetts time, on each day and in the amount set forth on Exhibit A hereto, or at such other times and places as the Company
and Purchasers representing a majority of the Units to be purchased, mutually agree upon (which times and places are referred to in this Agreement as the “Closing”or “Closings”). At each Closing, the
Company shall, against delivery by wire transfer of immediately available funds in accordance with the Company’s instructions, (i) authorize its transfer agent (American Stock Transfer & Trust Company, 59 Maiden Lane, Plaza
Entrance, New York, NY 10038, attn: Wilbert Myles) to issue to each Purchaser one or more stock 

  

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certificates (the “Certificates”) registered in the name of such Purchaser (or in such nominee name(s) as designated by such
Purchaser in the Stock Certificate Questionnaire (attached hereto as Appendix I) (the “Stock Certificate Questionnaire”), representing the number of Purchased Shares set forth opposite the appropriate Purchaser’s name
and applicable date on Exhibit A hereto, and bearing the legend set forth in Section 4(j) herein and (ii) issue the number of Purchased Warrants set forth across such Purchaser’s name and applicable date on
Exhibit A hereto. Closing documents may be delivered by facsimile with original signature pages sent by overnight courier. The date of each Closing is referred to herein as a Closing Date. Wire transfers shall be made to the following
account: 
  

	
	Signature Bank
	300 Park Avenue New York, NY 10022
	Routing Number: 026013576
	Swift Code: SIGNUS33
	Main Account Number: 1500421637

 2. REPRESENTATIONS AND WARRANTIES OF THE COMPANY. Except as set forth in the SEC
Documents (as defined below) or the disclosure letter delivered concurrently with this Agreement, the Company hereby represents and warrants to each Purchaser that: 
 (a) Organization Good Standing and Qualification. The Company is a corporation duly organized, validly existing and in good standing under the laws of the State of Delaware and has all corporate power and
authority required to (i) carry on its business as presently conducted and (ii) enter into this Agreement and the other agreements, instruments and documents contemplated hereby, and to consummate the transactions contemplated hereby and
thereby. The Company is qualified to do business and is in good standing in each jurisdiction in which the failure to so qualify would have a Material Adverse Effect. As used in this Agreement, “Material Adverse Effect” means
a material adverse effect on, or a material adverse change in, or a group of such effects on or changes in, the business, operations, financial condition, results of operations, assets or liabilities of the Company and its subsidiaries, taken as a
whole. 
 (b) Capitalization. The capitalization of the Company, prior to the issuance of the Purchased Securities, is as follows:

 (i) The authorized capital stock of the Company consists of 200,000,000 shares of Common Stock, par value $0.01 per share, and 179 shares
of Class B Common Stock, par value $1.00 per share (the “Class B Common Stock”). 
 (ii) As of June 25, 2008,
the issued and outstanding capital stock of the Company consisted of (A) 34,971,087 shares of Common Stock and (B) 117.7 shares of Class B Common Stock. The shares of issued and outstanding capital stock of the Company have been duly
authorized and validly issued, are fully paid and nonassessable and have not been issued in violation of or are not otherwise subject to any preemptive or other similar rights. 
  

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 (iii) As of June 25, 2008, the Company had (1) 811,877 shares of Common Stock reserved for
issuance upon exercise of outstanding options and (2) 31,382,249_ shares of Common Stock reserved for issuance upon exercise of outstanding warrants. 
 (iv) As of June 25, 2008, the Company’s outstanding 117.7 shares of Class B Common Stock were convertible into a maximum of 42,404 shares of Common Stock. 
 With the exception of the foregoing in this Section 3(b), as of June 25, 2008, there were no outstanding subscriptions, options, warrants,
convertible or exchangeable securities or other rights granted to or by the Company to purchase shares of Common Stock or other securities of the Company, and there were no commitments, plans or arrangements to issue any shares of Common Stock or
any security convertible into or exchangeable for Common Stock. 
 (c) Subsidiaries. Except for the entities listed in the
Company’s Annual Report on Form 10-K (the “Subsidiaries”), the Company does not have any subsidiaries and the Company does not own any capital stock of, assets comprising the business of, obligations of, or any other
interest (including any equity or partnership interest) in, any person or entity. 
 (d) Due Authorization. All corporate actions on
the part of the Company necessary for the authorization, execution, delivery of, and the performance of all obligations of the Company under this Agreement and the authorization, issuance, reservation for issuance and delivery of all of the
Purchased Securities being sold under this Agreement have been taken, no further consent or authorization of the Company or the Board of Directors or its stockholders is required, and this Agreement constitutes a valid and binding obligation of the
Company, enforceable against the Company in accordance with its terms, except (i) as may be limited by (1) applicable bankruptcy, insolvency, reorganization or others laws of general application relating to or affecting the enforcement of
creditors’ rights generally and (2) the effect of rules of law governing the availability of equitable remedies and (ii) as rights to indemnity or contribution may be limited under federal or state securities laws or by principles of
public policy thereunder. 
 (e) Valid Issuance of Purchased Securities. 
 (i) Purchased Securities. The Purchased Shares will be, upon payment therefor by the Purchasers in accordance with this Agreement, duly
authorized, validly issued, fully paid and non-assessable, and free from all taxes, liens and charges with respect to the issue thereof. 
 (ii) Purchased Warrants. The warrants to be issued pursuant to this Agreement will be, upon payment therefor by the Purchasers in accordance with this Agreement, duly authorized and validly issued, and free from all taxes, liens and
charges with respect to the issue thereof. 
 (iii) Underlying Shares of Common Stock. The issuance of the shares of Common Stock
issued or issuable from time to time upon the exercise of the Purchased Warrants (the “Underlying Shares”) will be, and at all times prior to such exercise, will have been, duly authorized, duly reserved for issuance upon
such exercise and payment of the exercise price of the Purchased Warrants, and will be, upon such exercise and payment, validly issued, fully-paid and non-assessable, and free from all taxes, liens and charges with respect to the issue thereof.

  

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 (iv) Compliance with Securities Laws. Subject to the accuracy of the representations made by the
Purchasers in Section 4 hereof, the Purchased Securities (assuming no change in applicable law and no unlawful distribution of the Purchased Securities by the Purchasers or other parties) will be issued to the Purchasers in compliance with
applicable exemptions from (A) the registration and prospectus delivery requirements of the Securities Act and (B) the registration and qualification requirements of all applicable securities laws of the states of the United States.

 (f) Governmental Consents. No consent, approval, order or authorization of, or registration, qualification, designation,
declaration or filing with, or notice to, any federal, state or local governmental authority or self regulatory agency on the part of the Company is required in connection with the issuance of the Purchased Securities to the Purchasers, or the
consummation of the other transactions contemplated by this Agreement, except (i) such filings as have been made prior to the date hereof, (ii) the filing of a notification form with the Nasdaq Capital Market
(“Nasdaq”) and such stockholder approval as may be required to permit a Warrant exercise by a Purchaser and (iii) such additional post-Closing filings as may be required to comply with applicable state and federal
securities laws and the listing requirements of Nasdaq. 
 (g) Non-Contravention. Assuming the accuracy of the representations and
warranties made by the Purchasers in Section 4 hereof, the execution, delivery and performance of this Agreement by the Company, and the consummation by the Company of the transactions contemplated hereby (including issuance of the Purchased
Securities), do not (i) contravene or conflict with the Certificate of Incorporation (the “Certificate of Incorporation”) or Bylaws (the “Bylaws”) of the Company; (ii) constitute a violation
of any provision of any federal, state, local or foreign law, rule, regulation, order or decree applicable to the Company; or (iii) constitute a default or require any consent under, give rise to any right of termination, cancellation or
acceleration of, or to a loss of any material benefit to which the Company is entitled under, or result in the creation or imposition of any lien, claim or encumbrance on any assets of the Company under, any material contract to which the Company is
a party or any material permit, license or similar right relating to the Company or by which the Company may be bound or affected, except in the case of clauses (ii) and (iii), for such violations, breaches or defaults as would not be
reasonably likely to have a Material Adverse Effect. 
 (h) Litigation. There is no action, suit, proceeding, claim, arbitration or
investigation (“Action”) pending or, to the Company’s knowledge, threatened in writing: (i) against the Company, its activities, properties or assets, or any officer, director or employee of the Company in
connection with such officer’s, director’s or employee’s relationship with, or actions taken on behalf of, the Company, that is reasonably likely to have a Material Adverse Effect on the Company, or (ii) that seeks to prevent,
enjoin, alter, challenge or delay the transactions contemplated by this Agreement (including the issuance of the Purchased Securities). The Company is not a party to or subject to the provisions of, any order, writ, injunction, judgment or decree of
any court or government agency or instrumentality that is reasonably likely to have a Material Adverse Effect. 
  

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 (i) Compliance with Law and Charter Documents. The Company is not in violation or default of any
provisions of the Certificate of Incorporation or the Bylaws. The Company has complied and is currently in compliance with all applicable statutes, laws, rules, regulations and orders of the United States of America and all states thereof, foreign
countries and other governmental bodies and agencies having jurisdiction over the Company’s business or properties, except for any instance of non-compliance that has not had, and would not reasonably be expected to have, a Material Adverse
Effect. 
 (j) SEC Documents. 
 (1) Reports. The Company has filed in a timely manner all reports, schedules, forms, statements and other documents required to be filed by it with the SEC pursuant to the reporting requirements of the Securities Exchange Act of
1934, as amended (the “Exchange Act”), and the rules and regulations promulgated thereunder, except for where the failure to do so would not be reasonably likely to have a Material Adverse Effect. The Company has filed on the
SEC’s EDGAR system, prior to the date hereof, its Annual Report on Form 10-K for the fiscal year ended October 31, 2007 (the “Form 10-K”), its quarterly reports on Form 10-Q for the fiscal quarters ended
January 31, 2008 and April 30, 2008 (the “Form 10-Qs”), its Proxy Statement for its Annual Meeting of Stockholders held on March 27, 2008 (the “Proxy Statement”), and any Current Report
on Form 8-K (“Form 8-Ks”) required to be filed by the Company with the SEC for events occurring since April 30, 2008 and prior to the date of this Agreement (the Form 10-K, Form 10-Qs, Proxy Statement and Form 8-Ks,
together with all exhibits, schedules and other attachments that are filed with such documents, are collectively referred to herein as the “SEC Documents”). Each SEC Document, as of its date (or, if amended or superseded by a
filing prior to the Closing Date, then on the date of such filing), did not contain any untrue statement of a material fact or omit to state a material fact necessary in order to make the statements made therein, in light of the circumstances under
which they were made, not misleading. Each SEC Document, as it may have been subsequently amended by filings made by the Company with the SEC prior to the date hereof, complied in all material respects with the requirements of the Exchange Act and
the rules and regulations of the SEC promulgated thereunder applicable to such SEC Document. 
 (2) Sarbanes-Oxley. The Chief
Executive Officer and the Chief Financial Officer of the Company have signed, and the Company has furnished to the SEC, all certifications required by Sections 302 and 906 of the Sarbanes-Oxley Act of 2002. Such certifications contain no exceptions
to the matters certified therein and have not been modified or withdrawn; and neither the Company nor any of its officers has received notice from any governmental entity questioning or challenging the accuracy of such certifications. The Company is
otherwise in compliance with all applicable effective provisions of the Sarbanes-Oxley Act of 2002 and the rules and regulations issued thereunder by the SEC, except where such non-compliance would not be reasonably likely to have a Material Adverse
Effect. 
 (3) Financial Statements. The financial statements of the Company in the SEC Documents present fairly, in accordance with
United States generally accepted accounting principles (“GAAP”), the financial position of the Company as of the dates indicated, and the results of its operations and cash flows for the periods therein specified, subject, in
the case of unaudited financial statements for interim periods, to normal year-end audit adjustments and abbreviated footnote disclosure. 
  

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 (k) Absence of Certain Changes Since the Balance Sheet Date. Since April 30, 2008, the
business and operations of the Company have been conducted in the ordinary course consistent with past practice, and there has not been: 
 (i) any declaration, setting aside or payment of any dividend or other distribution of the assets of the Company with respect to any shares of capital stock of the Company or any repurchase, redemption or other acquisition by the Company or
any subsidiary of the Company of any outstanding shares of the Company’s capital stock dividends; 
 (ii) any damage, destruction or
loss, whether or not covered by insurance, except for such occurrences, individually and collectively, that have not had, and would not reasonably be expected to have, a Material Adverse Effect; 
 (iii) any waiver by the Company of a valuable right or of a material debt owed to it, except for such waivers, individually and collectively, that have
not had, and would not reasonably be expected to have, a Material Adverse Effect; 
 (iv) any material change or amendment to, or any waiver
of any material right under a material contract or arrangement by which the Company or any of its assets or properties is bound or subject; 
 (v) any change by the Company in its accounting principles, methods or practices or in the manner in which it keeps its accounting books and records, except any such change required by a change in GAAP or by the SEC; or 
 (vi) any other event or condition of any character, except for such events and conditions that have not resulted, and are not expected to result, either
individually or collectively, in a Material Adverse Effect. 
 (l) Intellectual Property. The Company owns or possesses sufficient
rights to use all patents, patent rights, inventions, trade secrets, know-how, trademarks, service marks, trade names, copyrights or other intellectual property (collectively, “Intellectual Property”), which are necessary to
conduct its businesses as currently conducted, except where the failure to currently own or possess would not reasonably be expected to result, either individually or in the aggregate, in a Material Adverse Effect. The Company has not received any
written notice of, and has no actual knowledge of, any infringement of or conflict with asserted rights of others with respect to any Intellectual Property which, either individually or in the aggregate, would reasonably be expected to have a
Material Adverse Effect, and to the Company’s knowledge, none of the patent rights owned or licensed by the Company are unenforceable or invalid. 
 (m) Registration Rights. The Company is not subject to any agreement providing any person or entity any rights (including piggyback registration rights) to have any securities of the Company included in the
Registration Statement (as defined in Section 5(a)(i)). 
  

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 (n) Title to Property and Assets. The properties and assets of the Company are owned by the
Company free and clear of all mortgages, deeds of trust, liens, charges, encumbrances and security interests except for (i) statutory liens for the payment of current taxes that are not yet delinquent and (ii) liens, encumbrances and
security interests that arise in the ordinary course of business and do not materially detract from the value of the properties and assets of the Company. With respect to the property and assets it leases, the Company is in compliance with such
leases in all material respects. 
 (o) Taxes. The Company has filed or has valid extensions of the time to file all necessary
federal, state, and foreign income and franchise tax returns due prior to the date hereof and has paid or accrued all taxes shown as due thereon, and the Company has no knowledge of any material tax deficiency which has been asserted against it.

 (p) Insurance. The Company maintains insurance of the types and in the amounts that the Company reasonably believes is prudent and
adequate for its business, all of which insurance is in full force and effect in all material respects. 
 (q) 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. 
 (r)
Internal Accounting Controls. The Company and its Subsidiaries maintain a system of internal accounting controls sufficient to provide reasonable assurance that (i) transactions are executed in accordance with management’s general
or specific authorizations, (ii) transactions are recorded as necessary to permit preparation of financial statements in conformity with GAAP and to maintain asset accountability, (iii) access to assets is permitted only in accordance with
management’s general or specific authorization, and (iv) the recorded accountability for assets is compared with the existing assets at reasonable intervals and appropriate action is taken with respect to any differences. 
 (s) Transactions With Officers and Directors. None of the officers or directors of the Company has entered into any transaction with the Company
or any Subsidiary that would be required to be disclosed pursuant to Item 404(a), (b) or (c) of Regulation S-K of the SEC. 
 (t) General Solicitation. Neither the Company nor any other person or entity authorized by the Company to act on its behalf has engaged in a general solicitation or general advertising (within the meaning of Regulation D of the
Securities Act) of investors with respect to offers or sales of the Purchased Securities. 
 (u) Registration Statement Matters. The
Company meets the eligibility requirements for use of a registration statement on Form S-3 for the resale of the Purchased Shares by the Purchasers. Assuming the completion and timely delivery of the Registration Statement/Suitability Questionnaire
(attached hereto as Appendix II) (the “Registration Statement Questionnaire”) by each Purchaser to the Company, the Company is not aware of any facts or circumstances that would prohibit or delay the preparation and filing of
a registration statement with respect to the Registrable Shares (as defined below). 
  

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 (v) No Integrated Offering. Neither the Company, nor any affiliate of the Company, nor any person
acting on its or their behalf has, directly or indirectly, made any offers or sales of any security or solicited any offers to buy any security, under circumstances that would cause this offering of the Purchased Securities to be integrated with
prior offerings by the Company for purposes of the Securities Act, or any applicable stockholder approval provisions, including, without limitation, under the rules and regulations of the Nasdaq, nor will the Company take any action or steps that
would cause the offering of the Purchased Shares to be integrated with other offerings. 
 (w) Nasdaq Listing Matters. The Common
Stock of the Company is quoted on Nasdaq under the ticker symbol “BPUR.” The Company has not received any notice that it is not in compliance with the listing or maintenance requirements of Nasdaq. The issuance and sale of the Purchased
Shares under this Agreement does not contravene the rules and regulations of Nasdaq, The Company agrees that in the event that a Purchaser wishes to exercise a Warrant and the exercise would require stockholder approval under Nasdaq Marketplace
Rules because such exercise would constitute a change of control under such Rules, then the Company shall use all reasonable efforts to convene a meeting of its stockholders to obtain such approval, and the proxy statement for such meeting will
contain a recommendation for approval. If approval cannot be obtained, the Purchaser understands and agrees that he or it will be required to divest such number of shares of Common Stock owned by such Purchaser as may be required to permit such
Purchaser, under the Nasdaq Marketplace Rules, to complete the desired exercise without stockholder approval. 
 (x) Investment
Company. The Company is not now, and after the sale of the Purchased Securities under this Agreement and the application of the net proceeds from the sale of the Purchased Shares described in Section 1(c) herein will not be, an
“investment company” within the meaning of the Investment Company Act of 1940, as amended. 
 3. REPRESENTATIONS, WARRANTIES
AND CERTAIN AGREEMENTS OF THE PURCHASERS. Each Purchaser hereby represents and warrants to the Company, severally and not jointly, and agrees that: 
 (a) Organization Good Standing and Qualification. The Purchaser has all corporate, membership, personal or partnership power and authority required to enter into this Agreement and the other agreements,
instruments and documents contemplated hereby, and to consummate the transactions contemplated hereby and thereby. 
 (b)
Authorization. The execution of this Agreement has been duly authorized by all necessary corporate, membership or partnership action on the part of the Purchaser. This Agreement constitutes the Purchaser’s legal, valid and binding
obligation, enforceable in accordance with its terms, except (i) as may be limited by (A) applicable bankruptcy, insolvency, reorganization or other laws of general application relating to or affecting the enforcement of creditors’
rights generally and (B) the effect of rules of law governing the availability of equitable remedies and (ii) as rights to indemnity or contribution may be limited under federal or state securities laws or by principles of public policy
thereunder. 
  

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 (c) Litigation. There is no Action pending, or to its or his knowledge threatened, to which such
Purchaser is a party that is reasonably likely to prevent, enjoin, alter or delay the transactions contemplated by this Agreement. 
 (d)
Purchase for Own Account. The Purchased Securities are being acquired for investment for the Purchaser’s own account, not as a nominee or agent, and not with a view to the public resale or distribution thereof within the meaning of the
Securities Act, without prejudice, however, to such Purchaser’s right at all times to sell or otherwise dispose of all or any part of such securities in compliance with applicable federal and state securities laws and as otherwise contemplated
by this Agreement. The Purchaser also represents that, if an entity, it has not been formed for the specific purpose of acquiring the Purchased Securities. 
 (e) Investment Experience. The Purchaser understands that the purchase of the Purchased Securities involves substantial risk. The Purchaser has experience as an investor in securities of companies and
acknowledges that he or it can bear the economic risk of its investment in the Purchased Securities and has such knowledge and experience in financial or business matters that it is capable of evaluating the merits and risks of this investment in
the Purchased Securities and protecting its own interests in connection with this investment. 
 (f) Accredited Investor Status. The
Purchaser is an “accredited investor” within the meaning of Regulation D promulgated under the Securities Act. 
 (g) Reliance
Upon Purchaser’s Representations. The Purchaser understands that the issuance and sale of the Purchased Securities to it will not be registered under the Securities Act on the ground that such issuance and sale will be exempt from
registration under the Securities Act pursuant to Section 4(2) thereof, and that the Company’s reliance on such exemption is based on each Purchaser’s representations set forth herein. 
 (h) Receipt of Information. The Purchaser has had an opportunity to ask questions and receive answers from the Company regarding the terms and
conditions of the issuance and sale of the Purchased Securities and the business, properties, prospects and financial condition of the Company and to obtain any additional information requested and has received and considered all information it
deems relevant to make an informed decision to purchase the Purchased Securities. Neither such inquiries nor any other investigation conducted by or on behalf of such Purchaser or its representatives or counsel shall modify, amend or affect such
Purchaser’s right to rely on the truth, accuracy and completeness of such information and the Company’s representations and warranties contained in this Agreement. 
 (i) Restricted Securities. The Purchaser understands that the Purchased Securities have not been registered under the Securities Act and will not
sell, offer to sell, assign, pledge, hypothecate or otherwise transfer any of the Purchased Securities unless (i) pursuant to an effective registration statement under the Securities Act, (ii) such holder provides the Company with an
opinion of counsel, in form and substance reasonably acceptable to the Company and its counsel, to the effect that a sale, assignment or transfer of the Purchased Securities may be made without registration under the Securities Act and the
transferee agrees to be bound by the terms and conditions of this Agreement, or (iii) such holder provides the Company with reasonable assurances (in the form of seller and broker representation letters) that the Purchased Shares or the
Underlying Shares, as the case may be, can be sold pursuant to Rule 144 promulgated under the Securities Act (“Rule 144”). 
  

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 (j) Legends. 
 (i) Purchased Shares and Underlying Shares. The Purchaser agrees that the Certificates for the Purchased Shares and Underlying Shares shall bear the following legend: 
 “THESE SECURITIES HAVE NOT BEEN REGISTERED WITH THE SECURITIES AND EXCHANGE COMMISSION OR THE SECURITIES COMMISSION OF ANY STATE IN RELIANCE UPON AN
EXEMPTION FROM REGISTRATION UNDER THE SECURITIES ACT OF 1933, AS AMENDED (THE “SECURITIES ACT”), AND, ACCORDINGLY, MAY NOT BE OFFERED OR SOLD EXCEPT PURSUANT TO AN EFFECTIVE REGISTRATION STATEMENT UNDER THE SECURITIES ACT OR PURSUANT TO AN
AVAILABLE EXEMPTION FROM, OR IN A TRANSACTION NOT SUBJECT TO, THE REGISTRATION REQUIREMENTS OF THE SECURITIES ACT AND IN ACCORDANCE WITH APPLICABLE STATE SECURITIES LAWS AS EVIDENCED BY A LEGAL OPINION OF COUNSEL TO THE TRANSFEROR TO SUCH EFFECT,
THE SUBSTANCE OF WHICH SHALL BE REASONABLY ACCEPTABLE TO THE COMPANY.” 
 The Company shall cause its counsel to issue a legal opinion
to the Company’s transfer agent promptly after the date on which the Registration Statement is declared effective (the “Effective Date”), if required by the Company’s transfer agent, to effect the removal of the
legend hereunder upon receipt of a letter from the transferee that it has complied with the prospectus delivery requirements under the Securities Act. 
 Each Purchaser, severally and not jointly with the other Purchasers, agrees that the removal of the restrictive legend from certificates representing securities as set forth in this Section 4(j) is predicated
upon the Purchaser’s warranty that the Purchaser will sell any securities pursuant to the registration requirements of the Securities Act, including any applicable prospectus delivery requirements. 
 In addition, the Purchaser agrees that the Company may place stop transfer orders with its transfer agent with respect to such Certificates in order to
implement the restrictions on transfer set forth in this Agreement. The appropriate portion of the legend and the stop transfer orders will be removed promptly upon delivery to the Company of such satisfactory evidence as reasonably may be required
by the Company that such legend or stop orders are not required to ensure compliance with the Securities Act. 
 (ii) Warrant. The
Purchaser agrees that Warrants shall bear the following legend: 
 “THIS WARRANT AND THE SHARES ISSUABLE UPON EXERCISE HEREOF HAVE NOT
BEEN REGISTERED UNDER THE SECURITIES ACT OF 1933, AS AMENDED (THE “ACT”) OR WITH ANY STATE SECURITIES COMMISSION, AND MAY NOT BE TRANSFERRED OR DISPOSED OF BY THE HOLDER IN THE ABSENCE OF A REGISTRATION STATEMENT WHICH IS EFFECTIVE UNDER
THE SECURITIES ACT AND APPLICABLE STATE LAWS AND RULES, OR, UNLESS, IMMEDIATELY PRIOR TO THE TIME SET FOR TRANSFER, SUCH TRANSFER MAY BE EFFECTED WITHOUT VIOLATION OF THE SECURITIES ACT AND OTHER APPLICABLE STATE LAWS AND RULES.” 
  

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 (k) Questionnaires. The Purchaser has completed or caused to be completed the Stock Certificate
Questionnaire and the Registration Statement Questionnaire for use in preparation of the Registration Statement (as defined in Section 5(a)(ii) below), and the answers to such questionnaires are true and correct as of the date of this
Agreement; provided, that the Purchasers shall be entitled to update such information by providing written notice thereof to the Company at least 48 hours before the effective date of the Registration Statement. 
 (l) Restrictions on Short Sales. The Purchaser represents, warrants and covenants that neither the Purchaser nor any affiliate of such Purchaser
which (x) had knowledge of the transactions contemplated hereby, (y) has or shares discretion relating to such Purchaser’s investments or trading or information concerning such Purchaser’s investments, including in respect of the
Purchased Securities, or (z) is subject to such Purchaser’s review or input concerning such affiliate’s investments or trading, has or will, directly or indirectly, during the period beginning on the date on which the Company first
contacted such Purchaser regarding the transactions contemplated by this Agreement (and involving the Company) and ending on the Closing Date, engage in (i) any “short sales” (as such term is defined in Rule 3b-3 promulgated under the
Exchange Act) of the Common Stock, including, without limitation, the maintaining of any short position with respect to, establishing or maintaining a “put equivalent position” (within the meaning of Rule 16a-1(h) under the Exchange
Act) with respect to, entering into any swap, derivative transaction or other arrangement (whether any such transaction is to be settled by delivery of Common Stock, other securities, cash or other consideration) that transfers to another, in whole
or in part, any economic consequences or ownership, or otherwise disposes of, any of the Purchased Securities by the Purchaser or (ii) any hedging transaction which establishes a net short position with respect to the Purchased Securities
(clauses (i) and (ii) together, a “Short Sale”); except for (1) Short Sales by the Purchaser or an affiliate of such Purchaser which was, prior to the date on which such Purchaser was first contacted by the
Company regarding the transactions contemplated by this Agreement, a market maker for the Common Stock, provided that such Short Sales are in the ordinary course of business of such Purchaser or an affiliate of such Purchaser and are in compliance
with the Securities Act, the rules and regulations of the Securities Act and such other securities laws as may be applicable, (2) Short Sales by the Purchaser or an affiliate of such Purchaser which by virtue of the procedures of such Purchaser
are made without knowledge of the transactions contemplated by this Agreement or (3) Short Sales by the Purchaser or an affiliate of such Purchaser to the extent that such Purchaser or such affiliate of such Purchaser is acting in the capacity
of a broker-dealer executing unsolicited third-party transactions. 
  

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 (m) The Purchaser understands and agrees that if a proposed exercise of a Warrant would violate a
Nasdaq Marketplace Rule unless the Company’s stockholders authorize the issuance of Warrant Shares pursuant to the exercise, the Company may defer issuance of the Warrant Shares until such time as the required stockholder approval has been
obtained. 
 4. FORM D FILING; REGISTRATION; COMPLIANCE WITH THE SECURITIES ACT. 
 (a) Form D Filing; Registration of the Purchased Shares and the Underlying Shares. The Company hereby agrees that it shall: 
 (i) file in a timely manner a Form D relating to the sale of the Purchased Securities under this Agreement, pursuant to Regulation D promulgated under
the Securities Act; 
 (ii) prepare and file with the SEC as soon as practicable and in no event later than thirty (30) days following
the Closing, a registration statement on Form S-3 (the “Registration Statement”), to enable the resale of the Purchased Shares and the sale of the Underlying Shares (together with any shares of Common Stock issued as a
dividend or other distribution with respect to, or in exchange for, or in replacement of, the Purchased Shares or the Underlying Shares, the “Registrable Shares”) by the Purchasers from time to time on Nasdaq and use
commercially reasonable efforts to cause such Registration Statement to be declared effective, within ninety (90) days following the Closing Date or, in the event of a review of the Registration Statement by the SEC, within one hundred twenty
(120) days following the Closing Date, and, subject to exceptions provided herein, to remain continuously effective until the earlier of (A) the second anniversary of the effective date of the Registration Statement, (B) the date on
which all Registrable Shares purchased by the Purchasers pursuant to this Agreement have been sold thereunder or (C) the date on which the Registrable Shares can be sold by nonaffiliates of the Company pursuant to Rule 144(k) promulgated under
the Securities Act (the “Registration Period”). In the event that the Company does not meet the requirements for the use of Form S-3, the Company shall use such other form as is available for such a registration, and shall
convert such other form to Form S-3, or file a replacement registration statement on Form S-3, promptly after the first date on which it meets such requirements; 
 (iii) prepare and file with the SEC such amendments (including post-effective amendments) and supplements to the Registration Statement and the Prospectus (as defined below) used in connection therewith as may be
necessary to keep the Registration Statement effective at all times until the end of the Registration Period; 
 (iv) furnish to each
Purchaser with respect to the Registrable Shares registered under the Registration Statement a copy of each final Prospectus (as defined below) in which such Purchaser is listed as a selling securityholder in order to facilitate the public sale or
other disposition of all or any of the Registrable Shares by the Purchasers; 
 (v) promptly notify each Purchaser named as a selling
securityholder when the Registration Statement has been declared effective; 
  

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 (vi) promptly notify the Purchasers in writing of the existence of any fact or the happening of any
event, during the Registration Period (but not as to the substance of any such fact or event), that makes any statement of a material fact made in the Registration Statement, the Prospectus, any amendment or supplement thereto, or any document
incorporated by reference therein untrue, or that requires the making of any additions to or changes in the Registration Statement or the Prospectus in order to make the statements therein not misleading (provided, however, that no notice by
the Company shall be required pursuant to this subsection (vi) in the event that the Company either contemporaneously files a prospectus supplement to update the Prospectus or a Form 8-K or other appropriate Exchange Act report that is
incorporated by reference into the Registration Statement, which, in either case, contains the requisite information with respect to such material event that results in such Registration Statement no longer containing any such untrue or misleading
statements); 
 (vii) furnish to each Purchaser upon written request, from the date of this Agreement until the end of the Registration
Period, one copy of its periodic reports filed with the SEC pursuant to the Exchange Act and the rules and regulations promulgated thereunder, if, during such period, such documents cease to be filed on the SEC’s EDGAR system or a successor
thereto; and 
 (viii) bear all expenses in connection with the procedures described in paragraphs (i) through (viii) of this
Section 5(a) and the registration of the Registrable Shares pursuant to the Registration Statement other than fees and expenses, if any, of legal counsel or other advisers to the Purchasers or underwriting discounts, brokerage fees and
commissions incurred by the Purchasers, if any. 
 It shall be a condition precedent to the obligations of the Company to take any action
pursuant to this Section 5(a) with respect to Registrable Shares held by a Purchaser that such Purchaser shall timely furnish to the Company a completed Registration Statement Questionnaire on or before the Closing Date and such other written
information regarding itself, the Registrable Shares to be sold by such Purchaser, and the intended method of disposition of the Registrable Shares as shall be required to effect the registration of the Registrable Shares. The Purchasers shall
update such information as and when necessary by written notice to the Company. 
 (b) Liquidated Damages. 
 (i) Delay in Filing or Effectiveness of Registration Statement. In the event that the Registration Statement is not (A) filed with the SEC
within thirty (30) days following the Closing Date or (B) declared effective within ninety (90) days following the Closing Date or, in the event of a review of the Registration Statement by the SEC, within one hundred twenty
(120) days following the Closing Date, the Company shall pay to each Purchaser who has provided the documents contemplated by Section 4(k) liquidated damages at a rate equal to 1.5% per month (pro rata on a 30 day basis) of the total
purchase price of the Purchased Securities purchased by such Purchaser pursuant to this Agreement. Notwithstanding the foregoing provisions, in no event shall the Company be obligated to pay such liquidated damages (a) to more than one
Purchaser in respect of the same Purchased Securities for the same period of time or (b) in an aggregate amount that exceeds 12% of the purchase price paid by the Purchasers for the Units pursuant to this Agreement. Such liquidated damages
shall be payable within ten (10) days of the end of each one (1) month anniversary of the applicable filing or effectiveness deadline set forth in this section 5(b)(i). 
  

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 (ii) Lapse in Effectiveness of Registration Statement. In the event that the Registration
Statement is filed and declared effective but, during the Registration Period, shall thereafter cease to be effective or useable or the prospectus included in the Registration Statement (the “Prospectus”, as amended or
supplemented by any prospectus supplement and by all other amendments thereto and all material incorporated by reference in such Prospectus), other than as permitted hereby, ceases to be usable, in either case, in connection with resales of
Registrable Shares, without such lapse being cured within ten (10) business days (the “Cure Period”) by a post-effective amendment to the Registration Statement, a supplement to the Prospectus or a report filed with the
SEC pursuant to Section 13(a), 13(c), 14 or 15(d) of the Exchange Act that cures such lapse, then the Company shall pay to each Purchaser then listed as a Selling Securityholder in the Prospectus, liquidated damages, for the period from and
including the first day following the expiration of the Cure Period until, but excluding, the earlier of (1) the date on which such failure is cured and (2) the date on which the Registration Period expires, at a rate equal to
1.5% per month (pro rata on a 30 day basis) of the total purchase price of the Purchased Shares purchased by such Purchaser pursuant to this Agreement that are immediately prior to such lapse covered by the Registration Statement. Such
liquidated damages shall be payable within ten (10) days of the end of each one (1) month anniversary of the expiration of the Cure Period. Such liquidated damages shall be the Purchaser’s sole monetary remedy for such lapse.

 (c) Transfer of Registrable Shares After Registration; Suspension. 
 (i) Each Purchaser agrees that it will not offer to sell or make any sale, assignment, pledge, hypothecation or other transfer with respect to the
Registrable Shares that would constitute a sale within the meaning of the Securities Act except pursuant to (1) the Registration Statement, (2) Rule 144 of the Securities Act or (3) another exemption from registration under the
Securities Act, and that it will promptly notify the Company of any changes in the information set forth in the Registration Statement after it is prepared regarding the Purchaser or its plan of distribution to the extent required by applicable law.

 (ii) In addition to any suspension rights under paragraph (iii) below, upon the happening of any pending corporate development,
public filing with the SEC or similar event, that, in the judgment of Company’s Board of Directors, renders it advisable to suspend use of the Prospectus, or upon the request by an underwriter in connection with an underwritten public offering
of the Company’s securities, the Company may, on not more than two (2) non-consecutive occasions for not more than ninety (90) days on each such occasion, suspend use of the Prospectus, on written notice to each Purchaser (which
notice will not disclose the content of any material non-public information and will indicate the date of the beginning and end of the intended period of suspension, if known), in which case each Purchaser shall discontinue disposition of
Registrable Shares covered by the Registration Statement or Prospectus until copies of a supplemented or amended Prospectus are distributed to the Purchasers or until the Purchasers are advised in writing by the Company that sales of Registrable
Shares under the applicable Prospectus may be resumed and have received copies of any additional or supplemental filings that are incorporated or deemed incorporated by reference in any such Prospectus. The suspension and notice thereof described in
this Section 5(c)(ii) shall be held in strictest confidence and shall not be disclosed by the Purchasers. 
  

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 (iii) Subject to paragraph (iv) below, in the event of: (A) any request by the SEC or any
other federal or state governmental authority during the period of effectiveness of the Registration Statement for amendments or supplements to a Registration Statement or related Prospectus or for additional information, (B) the issuance by
the SEC or any other federal or state governmental authority of any stop order suspending the effectiveness of a Registration Statement or the initiation of any proceedings for that purpose, (C) the receipt by the Company of any notification
with respect to the suspension of the qualification or exemption from qualification of any of the Registrable Shares for sale in any jurisdiction or the initiation of any proceeding for such purpose, or (D) any event or circumstance which
necessitates the making of any changes in the Registration Statement or Prospectus, or any document incorporated or deemed to be incorporated therein by reference, so that, in the case of the Registration Statement, it will not contain any untrue
statement of a material fact or any omission to state a material fact required to be stated therein or necessary to make the statements therein not misleading, and that in the case of the Prospectus, it will not contain any untrue statement of a
material fact or any omission to state a material fact required to be stated therein or necessary to make the statements therein, in the light of the circumstances under which they were made, not misleading, then the Company shall deliver a
certificate in writing to the Purchasers (the “Suspension Notice”) to the effect of the foregoing (which notice will not disclose the content of any material non-public information and will indicate the date of the beginning
and end of the intended period of suspension, if known), and, upon receipt of such Suspension Notice, the Purchasers will discontinue disposition of Registrable Shares covered by the Registration Statement or Prospectus (a
“Suspension”) until the Purchasers’ receipt of copies of a supplemented or amended Prospectus prepared and filed by the Company, or until the Purchasers are advised in writing by the Company that the current Prospectus
may be used, and have received copies of any additional or supplemental filings that are incorporated or deemed incorporated by reference in any such prospectus. In the event of any Suspension, the Company will use its commercially reasonable
efforts to cause the use of the Prospectus so suspended to be resumed as soon as possible after delivery of a Suspension Notice to the Purchasers. 
 (iv) In the event of a sale of Registrable Shares by a Purchaser, such Purchaser must also deliver to the Company’s transfer agent, with a copy to the Company, a certificate of subsequent sale reasonably satisfactory to the Company, so
that ownership of the Registrable Shares may be properly transferred. The Company will cooperate to facilitate the timely preparation and delivery of certificates (unless otherwise required by applicable law) representing Registrable Shares sold.

 (d) Indemnification. For the purpose of this Section 5(d), the term “Registration Statement” shall
include any preliminary or final Prospectus, exhibit, supplement or amendment included in or relating to the Registration Statement referred to in Section 5(a). 
 (i) Indemnification by the Company. The Company agrees to indemnify and hold harmless each Purchaser and each person, if any, who controls any Purchaser within the meaning of the Securities Act, to the fullest
extent permitted by law, against any and all losses, claims, damages, liabilities or reasonable expenses, joint or several, to which such 

  

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Purchasers or such controlling person may become subject, under the Securities Act, the Exchange Act or any other federal or state statutory law or
regulation, or at common law or otherwise (including in settlement of any litigation, if such settlement is effected with the written consent of the Company, which consent shall not be unreasonably withheld), insofar as such losses, claims, damages,
liabilities or reasonable expenses (or actions in respect thereof as contemplated below) arise out of or are based upon any untrue statement or alleged untrue statement of any material fact contained in the Registration Statement, the Prospectus, or
any amendment or supplement thereto, or arise out of or are based upon the omission or alleged omission to state in any of them a material fact required to be stated therein or necessary to make the statements in any of them, in light of the
circumstances under which they were made, not misleading, and will reimburse each Purchaser and each such controlling person for any reasonable legal and other expenses as such reasonable expenses are incurred by such Purchaser or such controlling
person in connection with investigating, defending, settling, compromising or paying any such loss, claim, damage, liability, expense or action; provided, however, that the Company will not be liable in any such case to the extent that any
such loss, claim, damage, liability, expense or action arises out of or is based upon (A) an untrue statement or alleged untrue statement or omission or alleged omission made in the Registration Statement, the Prospectus or any amendment to or
supplement of the Registration Statement or Prospectus made in reliance upon and in conformity with written information furnished to the Company by or on behalf of the Purchaser expressly for use in the Registration Statement or the Prospectus,
(B) the failure of such Purchaser to comply with the covenants and agreements contained in this Agreement respecting resale of the Purchased Shares or the sale of the Underlying Shares, or (C) any untrue statement or omission of a material
fact required to make such statement not misleading in any Prospectus that is corrected in any subsequent Prospectus that was delivered to the Purchaser before the pertinent sale or sales by the Purchaser. 
 (ii) Indemnification by the Purchaser. Each Purchaser will severally and not jointly indemnify and hold harmless the Company, each of its
directors, each of its officers who signed the Registration Statement and each person, if any, who controls the Company within the meaning of the Securities Act, against any losses, claims, damages, liabilities or expenses to which the Company, its
directors, its officers who signed the Registration Statement and any controlling persons may become subject, under the Securities Act, the Exchange Act, or any other federal or state statutory law or regulation, or at common law or otherwise
(including in settlement of any litigation, if such settlement is effected with the written consent of such Purchaser, which consent shall not be unreasonably withheld) insofar as such losses, claims, damages, liabilities or expenses (or actions in
respect thereof as contemplated below) arise out of or are based upon any untrue statement or alleged untrue statement of any material fact contained in the Registration Statement, the Prospectus, or any amendment or supplement to the Registration
Statement or Prospectus, or arise out of or are based upon the omission or alleged omission to state therein a material fact required to be stated therein or necessary to make the statements therein not misleading, in each case to the extent, but
only to the extent, that such untrue statement or alleged untrue statement or omission or alleged omission was made in the Registration Statement, the Prospectus, or any amendment or supplement thereto, in reliance upon and in conformity with
written information furnished to the Company by or on behalf of such Purchaser expressly for use therein, and the Purchaser will reimburse the Company, each of its directors, each of its officers who signed the Registration Statement, and any
controlling persons for any reasonable legal and other expense incurred by 

  

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the Company, its directors, its officers who signed the Registration Statement, and any controlling persons, in connection with investigating, defending,
settling, compromising or paying any such loss, claim, damage, liability, expense or action; provided, however, that the Purchaser shall not be liable for any such untrue statement or alleged untrue statement or omission or alleged omission
with respect to which the Purchaser has delivered to the Company in writing a correction before the occurrence of the event from which such loss was incurred. Notwithstanding the provisions of this Section 5(d), the Purchaser shall not be
liable for any indemnification obligation under this Agreement in excess of the aggregate amount of net proceeds received by the Purchaser from the sale of the Registrable Shares pursuant to the Registration Statement. 
 (iii) Indemnification Procedure. 
 (A) Promptly after receipt by an indemnified party under this Section 5(d) of notice of the threat or commencement of any action, such indemnified party will, if a claim in respect thereof is to be made against an indemnifying party
under this Section 5(d), promptly notify the indemnifying party in writing of the claim; but the omission so to notify the indemnifying party will not relieve it from any liability which it may have to any indemnified party for contribution or
otherwise under the indemnity agreement contained in this Section 5(d) or otherwise, to the extent it is not prejudiced as a result of such failure. 
 (B) In case any such action is brought against any indemnified party and such indemnified party seeks or intends to seek indemnity from an indemnifying party, the indemnifying party will be entitled to participate in,
and, to the extent that it may wish, jointly with all other indemnifying parties similarly notified, to assume the defense thereof with counsel reasonably satisfactory to such indemnified party; provided, however, if the defendants in any
such action include both the indemnified party and the indemnifying party and the indemnified party shall have reasonably concluded that there may be a conflict between the positions of the indemnifying party and the indemnified party in conducting
the defense of any such action or that there are legal defenses available to it or other indemnified parties that are different from or additional to those available to the indemnifying party, the indemnified party or parties shall have the right to
select separate counsel to assume such legal defenses and to otherwise participate in the defense of such action on behalf of such indemnified party or parties. Upon receipt of notice from the indemnifying party to such indemnified party of its
election so to assume the defense of such action and approval by the indemnified party of counsel, the indemnifying party will not be liable to such indemnified party under this Section 5(d) for any legal or other expenses subsequently incurred
by such indemnified party in connection with the defense thereof unless: 
 a) the indemnified party shall have employed such counsel in
connection with the assumption of legal defenses in accordance with the proviso to the preceding sentence (it being understood, however, that the indemnifying party shall not be liable for the expenses of more than one separate counsel, approved by
such indemnifying party, representing all of the indemnified parties who are parties to such action); or 
  

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 b) the indemnifying party shall not have employed counsel reasonably satisfactory to the indemnified
party to represent the indemnified party within a reasonable time after notice of commencement of the action against the indemnified party, 
 in each of
which cases the reasonable fees and expenses of counsel for the indemnified party shall be at the expense of the indemnifying party. 
 (iv)
Contribution. If the indemnification provided for in this Section 5(d) is required by its terms but is for any reason held to be unavailable to, or is otherwise insufficient to hold harmless, an indemnified party under this
Section 5(d) with respect to any losses, claims, damages, liabilities or expenses referred to in this Agreement, then each indemnifying party shall contribute to the amount paid or payable by such indemnified party as a result of any losses,
claims, damages, liabilities or expenses referred to in this Agreement: 
 (1) in such proportion as is appropriate to reflect the relative
faults of the Company and the Purchaser in connection with the statements or omissions or inaccuracies in the representations and warranties in this Agreement that resulted in such losses, claims, damages, liabilities or expenses, as well as any
other relevant equitable considerations, or 
 (2) if the allocation provided by clause (1) above is not permitted by applicable law,
in such proportion as is appropriate to reflect not only the relative faults referred to in clause (1) above but the relative benefits received by the Company and the Purchaser from the sale of the Purchased Securities. 
 The respective relative benefits received by the Company on the one hand and each Purchaser on the other shall be deemed to be in the same proportion as
the amount to which the consideration paid by such Purchaser to the Company pursuant to this Agreement for the Purchased Securities purchased by such Purchaser that were sold pursuant to the Registration Statement bears to the difference (the
“Difference”) between the amount such Purchaser paid for the Purchased Securities that were sold pursuant to the Registration Statement and the amount received by such Purchaser from such sale. The relative fault of
the Company and each Purchaser shall be determined by reference to, among other things, whether the untrue or alleged untrue statement of a material fact or the omission or alleged omission to state a material fact or the inaccurate or the alleged
inaccurate material fact relates to information supplied by the Company or by such Purchaser and the parties’ relative intent, knowledge, access to information and opportunity to correct or prevent such statement or omission. The amount paid or
payable by a party as a result of the losses, claims, damages, liabilities and expenses referred to above shall be deemed to include, subject to the limitations set forth in Section 5(d)(iii), any reasonable legal or other fees or expenses
incurred by such party in connection with investigating or defending any such action or claim. The provisions set forth in Section 5(d)(iii) with respect to the notice of the threat or commencement of any threat or action shall apply if a claim
for contribution is to be made under this Section 5(d)(iv); provided, however, that no additional notice shall be required with respect to any threat or action for which notice has been given under Section 5(d)(iii) for
purposes of indemnification. The Company and each Purchaser agree that it would not be just and equitable if contribution pursuant to this Section 5(d)(iv) were determined solely by pro rata allocation (even if the Purchasers were treated as
one entity for such purpose) or by any other method of allocation which does not take account of the equitable 

  

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considerations referred to in this paragraph. Notwithstanding the provisions of this Section 5(d)(iv), no Purchaser shall be required to contribute any
amount in excess of the amount by which the Difference exceeds the amount of any damages that such Purchaser has otherwise been required to pay by reason of such untrue or alleged untrue statement or omission or alleged omission. No person guilty of
fraudulent misrepresentation (within the meaning of Section 11(f) of the Securities Act) shall be entitled to contribution from any person who is not guilty of such fraudulent misrepresentation. The Purchasers’ obligations to contribute
pursuant to this Section 5(d)(iv) are several and not joint. 
 (e) Rule 144 Information. For two (2) years after the date
of this Agreement, the Company shall file in a timely manner all reports required to be filed by it under the Securities Act and the Exchange Act and the rules and regulations promulgated thereunder and shall take such further action to the extent
required to enable the Purchasers to sell the Purchased Shares and the Underlying Shares pursuant to Rule 144 under the Securities Act (as such rule may be amended from time to time). 
 5. CONDITIONS TO THE PURCHASER’S OBLIGATIONS AT CLOSING. The obligations of the Purchasers under Section 1(b) of this Agreement
are subject to the fulfillment or waiver, on or before the Closing, of each of the following conditions: 
 (a) Representations and
Warranties True. Each of the representations and warranties of the Company contained in Section 3 shall be true and correct in all material respects on and as of the date hereof (provided, however, that such qualification shall only
apply to representations or warranties not otherwise qualified by materiality) and on and as of the date of the Closing with the same effect as though such representations and warranties had been made as of the Closing (except for representations
and warranties that speak as of a specific date). 
 (b) Performance. The Company shall have performed and complied in all material
respects with all agreements, obligations and conditions contained in this Agreement that are required to be performed or complied with by it on or before the Closing and shall have obtained all approvals, consents and qualifications necessary to
complete the purchase and sale described herein; provided, however, that the Company may furnish to each Purchaser a facsimile copy of the warrant representing the Purchased Warrants and of the stock certificate representing the Purchased
Shares, with the original warrant and original stock certificate held in trust by counsel for the Company until delivery thereof on the next business day. 
 (c) Compliance Certificate. The Company will have delivered to the Purchasers a certificate signed on its behalf by its Chief Executive Officer or Chief Financial Officer certifying that the conditions
specified in Sections 6(a) and 6(b) hereof have been fulfilled. 
 (d) Agreement. The Company shall have executed and delivered to the
Purchasers this Agreement. 
 (e) Securities Exemptions. The offer and sale of the Purchased Shares to the Purchasers pursuant to this
Agreement shall be exempt from the registration requirements of the Securities Act and the registration and/or qualification requirements of all applicable state securities laws. 
  

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 (f) No Suspension of Trading or Listing of Common Stock. The Common Stock of the Company
(i) shall be designated for quotation or listed on Nasdaq and (ii) shall not have been suspended from trading on Nasdaq. 
 (g)
Good Standing Certificates. The Company shall have delivered to the Purchasers a certificate of the Secretary of State of the State of Delaware, dated as of a date within five days of the date of the Closing, with respect to the good standing
of the Company. 
 (h) Secretary’s Certificate. The Company shall have delivered to the Purchasers, a copy of a certificate of
the Company executed by the Company’s Secretary attaching and certifying to the truth and correctness of (A) the Certificate of Incorporation, (B) the Bylaws and (C) the resolutions adopted by the Company’s Board of
Directors in connection with the transactions contemplated by this Agreement. 
 (i) No Statute or Rule Challenging Transaction. No
statute, rule, regulation, executive order, decree, ruling, injunction, action, proceeding or interpretation shall have been enacted, entered, promulgated, endorsed or adopted by any court or governmental authority of competent jurisdiction or any
self-regulatory organization or the staff of any of the foregoing, having authority over the matters contemplated hereby which questions the validity of, or challenges or prohibits the consummation of, any of the transactions contemplated by this
Agreement. 
 (j) Amount Invested. The Purchasers under this Agreement shall have tendered at closing no less than the amount set
forth opposite the Purchasers’ name and applicable date on Exhibit A in the aggregate for the Purchased Securities. 
 (k) Other
Actions. The Company shall have executed such certificates, agreements, instruments and other documents, and taken such other actions as shall be customary or reasonably requested by the Purchasers in connection with the transactions
contemplated hereby. 
 (l) Closing. The first Closing shall occur by no later than June 30, 2008. 
 6. CONDITIONS TO THE COMPANY’S OBLIGATIONS AT CLOSING. The obligations of the Company to the Purchasers under this Agreement are
subject to the fulfillment or waiver, on or before Closing, of each of the following conditions: 
 (a) Representations and Warranties
True. The representations and warranties of the Purchasers contained in Section 4 shall be true and correct in all material respects on and as of the date hereof (provided, however, that such qualification shall only apply to
representations and warranties not otherwise qualified by materiality) and on and as of the date of the Closing with the same effect as though such representations and warranties had been made as of the Closing. 
  

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 (b) Performance. The Purchasers shall have performed and complied in all material respects with
all agreements, obligations and conditions contained in this Agreement that are required to be performed or complied with by it on or before the Closing and shall have obtained all approvals, consents and qualifications necessary to complete the
purchase and sale described herein. 
 (c) Agreement. The Purchasers shall have executed and delivered to the Company this Agreement
(and Appendix I and II hereto). 
 (d) Securities Exemptions. The offer and sale of the Purchased Securities to the Purchasers
pursuant to this Agreement shall be exempt from the registration requirements of the Securities Act and the registration and/or qualification requirements of all applicable state securities laws. 
 (e) Payment of Purchase Price. The Purchasers shall have delivered to the Company’s escrow agent by wire transfer of immediately available
funds, full payment of the purchase price for the Purchased Securities as specified in Section 1(b). 
 (f) Other Actions. The
Purchasers shall have executed such certificates, agreements, instruments and other documents, and taken such other actions as shall be customary or reasonably requested by the Company in connection with the transactions contemplated hereby.

 (g) No Statute or Rule Challenging Transaction. No statute, rule, regulation, executive order, decree, ruling, injunction, action,
proceeding or interpretation shall have been enacted, entered, promulgated, endorsed or adopted by any court or governmental authority of competent jurisdiction or any self-regulatory organization or the staff of any of the foregoing, having
authority over the matters contemplated hereby which questions the validity of, or challenges or prohibits the consummation of, any of the transactions contemplated by this Agreement. 
 7. MISCELLANEOUS. 
 (a)
Successors and Assigns. The terms and conditions of this Agreement will inure to the benefit of and be binding upon the respective successors and permitted assigns of the parties. The Company shall not assign this Agreement or any rights or
obligations hereunder without the prior written consent of the Purchasers holding at least a majority of the total aggregate number of Purchased Shares and Underlying Shares then outstanding (excluding any shares sold to the public pursuant to Rule
144 or otherwise). Any Purchaser may assign its rights under this Agreement to any person to whom the Purchaser assigns or transfers any Purchased Securities, provided that such transferee agrees in writing to be bound by the terms and provisions of
this Agreement, and such transfer is in compliance with the terms and provisions of this Agreement and permitted by federal and state securities laws. 
 (b) Governing Law. This Agreement will be governed by and construed and enforced under the internal laws of the State of New York, without reference to principles of conflict of laws or choice of laws. EACH
PARTY HEREBY IRREVOCABLY WAIVES ANY RIGHT IT MAY HAVE, AND AGREES NOT TO REQUEST, A JURY TRIAL FOR THE 

  

 -22- 

 
ADJUDICATION OF ANY DISPUTE HEREUNDER OR IN CONNECTION HEREWITH OR ARISING OUT OF THIS AGREEMENT OR ANY TRANSACTION CONTEMPLATED HEREBY. 
 (c) Survival. The representations and warranties of the Company and the Purchasers
contained in Sections 3 and 4 of this Agreement shall survive until the second (2nd) anniversary of the final Closing Date. 
 (d) Counterparts. This Agreement may be executed in two or more counterparts, each of which will be deemed an original, but all of which together
will constitute one and the same instrument. 
 (e) Headings. The headings and captions used in this Agreement are used for
convenience only and are not to be considered in construing or interpreting this Agreement. All references in this Agreement to sections, paragraphs, exhibits and schedules will, unless otherwise provided, refer to sections and paragraphs hereof and
exhibits and schedules attached hereto, all of which exhibits and schedules are incorporated herein by reference. 
 (f) Notices. Any
notices and other communications required or permitted under this Agreement shall be in writing and shall be delivered (i) personally by hand or by courier, (ii) mailed by United States first-class mail, postage prepaid or (iii) sent
by facsimile directed (1) if to the Purchaser, at the Purchaser’s address or facsimile number set forth on Exhibit A to this Agreement, or at such address or facsimile number as the Purchaser may designate by giving at least ten
(10) days’ advance written notice to the Company or (2) if to the Company, to its address or facsimile number set forth below, or at such other address or facsimile number as the Company may designate by giving at least ten
(10) days’ advance written notice to the Purchaser. All such notices and other communications shall be deemed given upon (i) receipt or refusal of receipt, if delivered personally, (ii) three days after being placed in the mail,
if mailed, or (iii) confirmation of facsimile transfer, if faxed. 
 The address of the Company for the purpose of this
Section 9(f) is as follows: 
 Biopure Corporation 
 11 Hurley Street 
 Cambridge, Massachusetts 02141 
 Tel: 617.234.6500 
 Fax: 617.234.6507 
 Attention: Chief Financial Officer 
 with a copy to: 
 General Counsel 
 (g)
Amendments and Waivers. This Agreement may be amended and the observance of any term of this Agreement may be waived only with the written consent of the Company and the Purchasers holding at least a majority of the total aggregate number of
Purchased Shares and Underlying Shares then held by the Purchasers; provided that any 

  

 -23- 

 
provision for the sole benefit of the Company may be waived by the Company. Any amendment effected in accordance with this Section 8(g) will be binding
upon the Purchasers, the Company and their respective successors and permitted assigns. 
 (h) Severability. If any provision of this
Agreement is held to be unenforceable under applicable law, such provision will be excluded from this Agreement and the balance of the Agreement will be interpreted as if such provision were so excluded and will be enforceable in accordance with its
terms. 
 (i) Entire Agreement. This Agreement, together with all exhibits and schedules hereto and thereto constitutes the entire
agreement and understanding of the parties with respect to the subject matter hereof and supersedes any and all prior negotiations, correspondence, agreements, understandings, duties or obligations between the parties with respect to the subject
matter hereof. 
 (j) Further Assurances. From and after the date of this Agreement, upon the request of the Company or the
Purchasers, the Company and the Purchasers will execute and deliver such instruments, documents or other writings, and take such other actions, as may be reasonably necessary or desirable to confirm and carry out and to effectuate fully the intent
and purposes of this Agreement. 
 (k) Meaning of Include and Including. Whenever in this Agreement the word “include” or
“including” is used, it shall be deemed to mean “include, without limitation” or “including, without limitation,” as the case may be, and the language following “include” or “including” shall not be
deemed to set forth an exhaustive list. 
 (l) Fees, Costs and Expenses. The Company will pay the fees and expenses of counsel to
Tinkham Veale II, up to a maximum of $5,000. All other fees, costs and expenses (including attorneys’ fees and expenses) incurred by any party hereto in connection with the preparation, negotiation and execution of this Agreement and the
exhibits and schedules hereto and the consummation of the transactions contemplated hereby and thereby (including the costs associated with any filings with, or compliance with any of the requirements of any governmental authorities), shall be the
sole and exclusive responsibility of such party. 
 (m) 8-K Filing and Publicity. As soon as practicable following the execution of
this Agreement but in no event later than 9:30 a.m. EST on the day following the execution of this Agreement, the Company shall file a Current Report on Form 8-K with the SEC describing the transaction contemplated by this Agreement as an exhibit to
such filing (the “8-K Filing” including all attachments). Neither the Company nor any Purchaser shall issue any press releases or any other public statements with respect to the transaction contemplated by this Agreement;
provided, however, that the Company shall be entitled, without the prior approval of any Purchaser, to issue any press release or make any other public disclosure (including a press release pursuant to Rule 135(c) under the Securities Act)
(i) in substantial conformity with the 8-K Filing or (ii) as is required by applicable law, regulations, and Nasdaq rules. 
 (n)
Stock Splits, Dividends and other Similar Events. The provisions of this Agreement shall be appropriately adjusted to reflect any stock split, stock dividend, reorganization or other similar event that may occur with respect to the Company
after the date hereof and prior to the Closing Date. 
  

 -24- 

 (o) Remedies. In addition to being entitled to exercise all rights provided herein, each Purchaser
and the Company will be entitled to specific performance under this Agreement. The parties agree that monetary damages may not be adequate compensation for any loss incurred by reason of any breach of obligations described in the foregoing sentence
and hereby agrees to waive in any action for specific performance of any such obligation the defense that a remedy at law would be adequate. 
 (p) Pronouns. The neuter pronoun shall be deemed also to indicate the masculine. 
 [Remainder of page intentionally left
blank.] 
 * * * 
  

 -25- 

 IN WITNESS WHEREOF, the parties hereto have executed this Agreement as of the date and year first above
written. 
  

			
	BIOPURE CORPORATION
		
	By:	 	  

	Name:	 	
	Title:	 	

 [Purchaser signature pages to follow.] 
 [SECURITIES PURCHASE AGREEMENT] 

 SIGNATURE PAGE TO 
 SECURITIES PURCHASE AGREEMENT 
 DATED AS OF JUNE 27, 2008 
 BY AND AMONG 
 BIOPURE CORPORATION

 AND EACH PURCHASER NAMED THEREIN 
 The undersigned hereby executes and delivers to Biopure Corporation the Purchase Agreement (the “Agreement”) to which this signature page is attached effective as of the date of the Agreement,
which Agreement and signature page, together with all counterparts of such Agreement and signature pages of the other Purchasers named in such Agreement, shall constitute one and the same document in accordance with the terms of such Agreement.

  

			
	Number of Units:                     
	
	Tinkham Veale II
		
	Signature:	 	  

		
	Address:	 	  

		
		 	  

		
	Tel:	 	  

		
	Fax:	 	  

		
	SS Number:	 	  

 [SECURITIES PURCHASE AGREEMENT] 

 DATED AS OF JUNE 27, 2008 
 BY AND AMONG 
 BIOPURE CORPORATION 
 AND EACH PURCHASER NAMED THEREIN 
 The
undersigned hereby executes and delivers to Biopure Corporation the Purchase Agreement (the “Agreement”) to which this signature page is attached effective as of the date of the Agreement, which Agreement and signature page,
together with all counterparts of such Agreement and signature pages of the other Purchasers named in such Agreement, shall constitute one and the same document in accordance with the terms of such Agreement. 
  

			
	Number of Units:                     
	
	BLOM Bank
		
	Signature:	 	  

		
	Name:	 	  

		
	Address:	 	  

		
		 	  

		
	Tel:	 	  

		
	Fax:	 	  

		
	SS Number:	 	  

 [SECURITIES PURCHASE AGREEMENT] 

 EXHIBIT A 
 SCHEDULE OF PURCHASERS 
  

							
	 Name and Address
	 	 Date
	 	Number of Units	 	Purchase Price
	 Tinkham Veale II
	 	June 30, 2008	 	1,036,422	 	$350,000
				
		 	July 15, 2008	 	1,036,422	 	$350,000
		 	August 15, 2008	 	1,036,422	 	$350,000
		 	September 15, 2008	 	1,036,422	 	$350,000
				
		 	October 15, 2008	 	1,036,422	 	$350,000
		 	November 15, 2008	 	740,302	 	$250,000
				
	 BLOM Bank
	 	June 30, 2008	 	148,060	 	$50,000
		 	July 15, 2008	 	148,060	 	$50,000
		 	August 15, 2008	 	148,060	 	$50,000
		 	September 15,2008	 	148,060	 	$50,000
		 	October 15, 2008	 	148,060	 	$50,000
		 	November 15, 2008	 	148,060	 	$50,000

  

 29 

 EXHIBIT B 
 [FORM OF WARRANT] 
  

 30 

 APPENDIX I 
 [STOCK CERTIFICATE AND WARRANT QUESTIONNAIRE] 
  

 31 

 APPENDIX II 
 [REGISTRATION STATEMENT/SUITABILITY QUESTIONNAIRE] 
  

 32GTC Biotherapeutics, Inc. 2008 Retention Incentive Plan.

 Exhibit 10.1 
 GTC BIOTHERAPEUTICS, INC. 
 2008 RETENTION INCENTIVE PLAN 
 1. Purpose. This GTC Biotherapeutics, Inc. 2008 Retention Incentive Plan (this “Plan”) has been established by GTC Biotherapeutics, Inc. for key
employees of the Company designated to be Participants under this Plan. The purpose of this Plan is to provide an incentive to Participants to remain in the employ of the Company. This Plan is designed, in part, to use specific Awards under the
Company’s 2002 Equity Incentive Plan (the “Equity Plan”). 
 2. Definitions. All terms not otherwise defined in this Plan shall have
the meanings ascribed to them under the Equity Plan. In addition, for purposes of this Plan: 
 (a) “Cause” shall have the
meaning given to such term in any employment or severance agreement between the Company and the Participant in effect at the time of the termination of employment. In the event no such agreement is in effect, “Cause” means
(i) the Participant’s breach of any material duty or obligation to the Company after written notice of such breach has been given to the Participant by the Board or Chief Executive Officer of the Company and such breach shall have
continued for thirty (30) days after receipt of such notice, or (ii) intentional or grossly negligent conduct that is materially injurious to the Company, or (iii) intentional failure to follow the reasonable directions of the Board
of Directors or Chief Executive Officer after written notice of such failure has been given to the Participant and such failure shall have continued for thirty (30) days after receipt of such notice. 
 (b) “Effective Date” means June 1, 2008. 
 (c) “Participant” means an employee of the Company who participates in this Plan in accordance with Section 4 hereof. The employees of the Company eligible to participate in this Plan will be
those who as of the Effective Date hold the title of President, Senior Vice President, Vice President, Senior Director, Director or Associate Director, or are otherwise designated by the Committee. 
 (d) “Retention Payment” shall have the meaning set forth in Section 5(b) below. 
 3. Administration. 
 (a) This Plan shall be
administered by the Committee, which shall have complete authority to determine who shall participate herein and the amount of all Awards and Retention Payments granted to Participants, to interpret this Plan, to prescribe, amend and rescind rules
and regulations relating to it, and to make all other determinations necessary or advisable for the administration of this Plan. 
 (b) The
Committee is authorized, on behalf of this Plan, to engage accountants, legal counsel and such other personnel as it deems necessary or advisable to assist it in the performance of its duties under this Plan. All reasonable expenses thereof shall be
borne by the Company. 

 (c) All decisions made by the Committee pursuant to the provisions of this Plan shall be final,
conclusive and binding on all persons, including the Company and the Participants. No member of the Board or the Committee, nor any officer or employee of the Company acting on behalf of the Board or the Committee, shall be personally liable for any
action, determination, or interpretation taken or made in good faith with respect to this Plan, and all members of the Board or the Committee and each and any officer or employee of the Company acting on their behalf shall, to the extent permitted
by law, be fully indemnified and protected in respect of any such action, determination or interpretation. 
 (d) The Committee may delegate
any of its duties hereunder to such person or persons as it may designate from time to time. 
 4. Participation. The Committee shall, in its sole
discretion, select the employees of the Company who shall participate in this Plan. As a condition to participation in this Plan, each such employee shall execute a document, in such form as the Committee may require, acknowledging his or her
participation in this Plan. 
 5. Retention Stock Unit Awards and Retention Payments. 
 (a) Restricted Stock Unit Awards. The Company shall make two Awards of Restricted Stock Units pursuant to the 2002 Equity Incentive Plan to
each Participant in an amount determined by the Committee for the Participant. The first Award of Restricted Stock Units shall be awarded on the later of the Effective Date or the date of the Award, and the second Award of Restricted Stock Units
shall be awarded on January 2, 2009 to each Participant who is then an employee of the Company. The Restricted Stock Units awarded hereunder shall become fully vested and settle on June 30, 2009 so long as the Participant remains an
employee of the Company until such date; provided, however, that in the event the Company terminates the Participant’s employment without Cause prior to June 30, 2009, all Restricted Stock Units awarded to the Participant shall become
fully vested and settle on the date of the Participant’s termination of employment. The other terms and conditions of the Restricted Stock Unit Awards shall be set forth in the form of Restricted Stock Unit Certificate approved by the Committee
and issued by the Company.  
 (b) Retention Payments. Each Participant who remains in the employ of the Company through
March 31, 2010 shall receive a payment (a “Retention Payment”) in an amount determined by the Committee for the Participant on or before the later of the Effective Date or the date of the Committee’s determination on or before
July 31, 2008; provided, however, that in the event the Company terminates the Participant’s employment without Cause prior to March 31, 2010, the Participant shall be entitled to receive the Retention Payment as provided herein . The
Retention Payment shall be paid, in the sole discretion of the Committee, in either a lump sum cash payment or by delivery of a number of shares of Common Stock of the Company resulting from dividing the amount of the Retention Payment by the Fair
Market Value of the Common Stock on March 31, 2010, or in the case of termination of employment of a Participant, on the date of termination, provided, however, that if the Committee elects to pay the Retention Payment in stock the value used
for determining the number of shares to be issued shall for a Participant shall be the higher of (i) the Fair Market Value per share of the Common Stock on March 31, 2010 or, in the case of a terminated Participant, on the date of
termination or 

 
(ii) the corresponding price per share set forth below with respect to the Participant’s respective title level in the Company (or such higher level as
may be designated by the Committee): 
  

				
	 President:
	  	$	1.25 per share
		
	 Senior VP and VP:
	  	$	1.00 per share
		
	 Senior. Dir., Dir., & Assoc. Dir:
	  	$	0.75 per share

 Payment of the Retention Payments shall be made as soon as practicable after March 31, 2010 but in no event
later than June 30, 2010, and in the case of a terminated Participant, within no more than 30 days following the date of the Participant’s termination of employment. Any other terms and conditions of a Participant’s Retention Payment
award shall be determined by the Committee. 
 6. Compliance with Section 409A of the Code. 
 (a) Section 409A. To the extent applicable, it is intended that this Plan and any awards made hereunder are exempt from Section 409A of
the Code or are structured in a manner that would not cause a Participant to be subject to taxes and interest pursuant to Section 409A of the Code. This Plan and any award made hereunder shall be administered in a manner consistent with this
intent, and any provision that would cause this Plan or any award made hereunder to become subject to taxation under Section 409A of the Code shall have no force and effect until amended to comply with Section 409A of the Code (which
amendment may be retroactive to the extent permitted by Section 409A of the Code and may be made by the Company without the consent of Participants.) 
 (b) Six-Month Delay. Notwithstanding any provision of this Plan to the contrary, if a Participant is a “specified employee” within the meaning of Code Section 409A(a)(2)(B)(i) at the time of the
Participant’s separation from service with the Company, no payment payable or provided to the Participant pursuant to this Agreement that constitutes an item of deferred compensation under Code Section 409A and becomes payable by reason of
the Participant’s termination of employment with the Company will be paid to the Participant prior to the earlier of (i) the expiration of the six (6) month period following the date of the Participant’s “separation from
service” with the Company (as such term is defined by Code Section 409A and the regulations promulgated thereunder), or (ii) the date of the Participant’s death, but only to the extent such delayed commencement is otherwise
required in order to avoid a prohibited distribution under Code Section 409A(a)(2). 
 7. General Provisions. 
 (a) Compliance with Legal Requirements. This Plan, the payment of amounts hereunder, and the other obligations of the Company under this Plan shall
be subject to all applicable federal and state laws, rules and regulations, and to such approvals by any regulatory or governmental agency as may be required. 

 (b) Nontransferability. No Participant shall have the right to alienate, anticipate, commute,
pledge, encumber or assign any of the benefits or payments which he or she may expect to receive, contingently or otherwise, under this Plan. 
 (c) No Right to Continued Employment. No person shall have any claim or right to be granted a Restricted Stock Unit Award or a Retention Payment. Neither the adoption, maintenance, nor operation of this Plan nor any retention
incentive award hereunder shall confer upon any employee of the Company any right with respect to the continuance of his/ her employment by or other service with the Company nor shall they interfere with the rights of the Company to terminate any
employee at any time or otherwise change the terms of employment, including, without limitation, the right to promote, demote or otherwise re-assign any employee from one position to another within the Company. 
 (d) Effect on Other Benefits. Amounts paid or payable hereunder shall not be treated as compensation for purposes of determining benefit amounts
or accruals under any employee pension or benefit plan, program or arrangement maintained by the Company. 
 (e) Severability. If any
provision of this Plan shall be held invalid or unenforceable, such invalidity or unenforceability shall not affect any other provisions hereof, and this Plan shall be construed and enforced as if such provisions had not been included. 

(f) Successors. This Plan shall be binding upon the heirs, executors, administrators, successors and assigns of the parties, including each
Participant and any successor to the Company. 
 (g) Construction. The headings and captions herein are provided for reference and
convenience only, shall not be considered part of this Plan, and shall not be used in the construction of this Plan. 
 (h) Withholding
Taxes. All amounts to be paid hereunder to Participants shall be paid net of any taxes that the Company may be required to withhold therefrom in respect of any federal, state, local or other taxes. 
 (i) Amendment, Termination and Duration of this Plan. The Committee may at any time and from time to time alter, amend, suspend, or terminate this
Plan in whole or in part. 
 (j) Unfunded Plan. This Plan is intended to constitute an “unfunded” plan for incentive
compensation. With respect to any payments not yet made to a Participant hereunder, nothing contained in this Plan shall give any such Participant any rights in any assets of the Company that are greater than those of a general creditor of the
Company. 
 (k) Governing Law. This Plan and all determinations made and actions taken pursuant hereto shall be governed by the laws
of the Commonwealth of Massachusetts without giving effect to the conflict of laws principles thereof.

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