AUTHENTIDATE HOLDING CORP. 9% SENIOR SUBORDINATED SECURED CONVERTIBLE NOTE

Exhibit 4.1

NEITHER THIS SECURITY NOR THE SECURITIES INTO WHICH THIS SECURITY IS CONVERTIBLE HAVE BEEN REGISTERED WITH THE SECURITIES AND EXCHANGE COMMISSION OR THE SECURITIES COMMISSION OF ANY STATE IN RELIANCE UPON AN EXEMPTION FROM REGISTRATION UNDER THE SECURITIES ACT OF 1933, AS AMENDED (THE “SECURITIES ACT”), AND, ACCORDINGLY, MAY NOT BE OFFERED OR SOLD EXCEPT PURSUANT TO AN EFFECTIVE REGISTRATION STATEMENT UNDER THE SECURITIES ACT OR PURSUANT TO AN AVAILABLE EXEMPTION FROM, OR IN A TRANSACTION NOT SUBJECT TO, THE REGISTRATION REQUIREMENTS OF THE SECURITIES ACT AND IN ACCORDANCE WITH APPLICABLE STATE 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.

Original Issue Date: December 17, 2015

Original Conversion Price (subject to adjustment herein): $0.25

Principal Amount: $950,000.00

AUTHENTIDATE HOLDING CORP.

9% SENIOR SUBORDINATED SECURED CONVERTIBLE NOTE

THIS 9% SENIOR SUBORDINATED SECURED CONVERTIBLE NOTE is a duly authorized and validly issued 9% Senior Subordinated Secured Convertible Note of Authentidate Holding Corp., a Delaware corporation, (the “Company”), having its principal place of business at ▇▇▇ ▇▇▇▇▇▇▇ ▇▇▇▇▇, ▇▇▇ ▇▇▇▇▇, ▇▇▇▇▇▇▇▇ ▇▇▇▇▇▇▇, ▇▇ ▇▇▇▇▇, due December 17, 2016 (this note, the “Note”). This Note is being issued pursuant to the Exchange Agreement (as defined below) among the Company and the original holders of the Notes. By its acceptance of this Note, ▇▇▇▇▇▇ agrees to be bound by the terms of the Exchange Agreement. This Note is a direct obligation of the Company and payment of principal and interest of this Note shall be secured in accordance with the Security Agreement dated as of August 7, 2015 (the “Security Agreement”), as amended on December 11, 2015 (the “Amended Security Agreement”).

FOR VALUE RECEIVED, the Company promises to pay to VER 83, LLC or its registered assigns (the “Holder”), or shall have paid pursuant to the terms hereunder, the principal sum of $950,000.00 on December 17, 2016 (the “Maturity Date”) or such other earlier date as this Note is required or permitted to be repaid as provided hereunder, and to pay Interest to the Holder on the aggregate unconverted and then outstanding principal amount of this Note in accordance with the provisions hereof. This Note is subject to the following additional provisions:

Section 1. Definitions. For the purposes hereof, in addition to the terms defined elsewhere in this Note, (a) capitalized terms not otherwise defined herein shall have the meanings set forth in the Exchange Agreement and (b) the following terms shall have the following meanings:

“Bankruptcy Event” means any of the following events: (a) the Company commences a case or other proceeding under any bankruptcy, reorganization, arrangement, adjustment of debt, relief of debtors, dissolution, insolvency or liquidation or similar law of any jurisdiction relating to the Company, (b) there is commenced against the Company any such case or proceeding that is not dismissed within 60 days after commencement, (c) the Company is adjudicated insolvent or bankrupt or any order of relief or other order approving any such case or proceeding is entered, (d) the Company suffers any appointment of any custodian or the like for it or any substantial part of its property that is not discharged or stayed within 60 calendar days after such appointment, (e) the Company makes a general assignment for the benefit of creditors, (f) the Company calls a meeting of its creditors with a view to arranging a composition, adjustment or restructuring of its debts or (g) the Company, by any act or failure to act, expressly indicates its consent to, approval of or acquiescence in any of the foregoing.

“Base Conversion Price” shall have the meaning set forth in Section 5(c).

“Beneficial Ownership Limitation” shall have the meaning set forth in Section 4(d).

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

“Change of Control Transaction” means the occurrence after the date hereof of any of (a) an acquisition after the date hereof by an individual or legal entity or “group” (as described in Rule 13d-5(b)(1) promulgated under the Exchange Act) of effective control (whether through legal or beneficial ownership of capital stock of the Company, by contract or otherwise) of in excess of 50% of the voting securities of the Company (other than by means of conversion or exercise of the Notes and the Securities issued together with the Notes), (b) the Company merges into or consolidates with any other Person, or any Person merges into or consolidates with the Company and, after giving effect to such transaction, the stockholders of the Company immediately prior to such transaction own less than 50% of the aggregate voting power of the Company or the successor entity of such transaction, (c) the Company sells or transfers all or substantially all of its assets to another Person and the stockholders of the Company immediately prior to such transaction own less than 50% of the aggregate voting power of the acquiring entity immediately after the transaction, (d) a replacement at one time or within a three year period of more than one-half of the members of the Board of Directors which is not approved by a majority of those individuals who are members of the Board of Directors on the Original Issue Date (or by those individuals who are serving as members of the Board of Directors on any date whose nomination to the Board of Directors was approved by a majority of the members of the Board of Directors who are members on the date hereof), or (e) the execution by the Company of an agreement to which the Company is a party or by which it is bound, providing for any of the events set forth in clauses (a) through (d) above.

“Closing Bid Price” and “Closing Sale Price” means, for any security as of any date, the last closing bid price and last closing trade price, respectively, for such security on the Trading Market, as reported by the Nasdaq Stock Market, or, if the Trading Market begins to operate on an extended hours basis and does not designate the closing bid price or the closing trade price (as the case may be) then the last bid price or last trade price, respectively, of such security prior to 4:00 p.m., New York time, as reported by the Nasdaq Stock Market, or, if the Trading Market is not the principal securities exchange or trading market for such security, the last closing bid price or last trade price, respectively, of such security on the principal securities exchange or trading market where such security is listed or traded as reported by the Nasdaq Stock Market, or if the foregoing do not apply, the last closing bid price or last trade price, respectively, of such security in the over-the-counter market on the electronic bulletin board for such security as reported by the Nasdaq Stock Market, or, if no closing bid price or last trade price, respectively, is reported for such security by the Nasdaq Stock Market, the average of the bid prices, or the ask prices, respectively, of any market makers for such security as reported in the “pink sheets” by OTC Markets Group Inc. (formerly Pink Sheets LLC). If the Closing Bid Price or the Closing Sale Price cannot be calculated for a security on a particular date on any of the foregoing bases, the Closing Bid Price or the Closing Sale Price (as the case may be) of such security on such date shall be the fair market value as mutually determined by the Company and the Holder. If the Company and the Holder are unable to agree upon the fair market value of such security, then such dispute shall be resolved in accordance with the procedures in Section 9(j). All such determinations shall be appropriately adjusted for any stock dividend, stock split, stock combination or other similar transaction during such period.

“Conversion Date” shall have the meaning set forth in Section 4(a).

“Conversion Price” shall have the meaning set forth in Section 4(b).

“Conversion Schedule” means the Conversion Schedule in the form of Schedule 1 attached hereto.

“Conversion Shares” means, collectively, the shares of Common Stock issuable upon conversion of this Note in accordance with the terms hereof.

“Event of Default” shall have the meaning set forth in Section 8(a).

“Exchange Agreement” means the Note Exchange Agreement, dated as of December 11, 2015 by and among the Company and the original Holder as amended, modified or supplemented from time to time in accordance with its terms.

“Exempt Issuance” means the issuance of (a) shares of Common Stock, restricted stock units, options or other Common Stock Equivalents to employees, officers or directors of the Company or other eligible persons pursuant to any equity compensation plan presently existing or duly adopted for such purpose by a majority of the non-employee members of the Board of Directors or a majority of the members of a committee of non-employee directors of the Company (for purposes of clarity, the issuance of shares of Common Stock upon exercise of options, vesting of restricted stock units or otherwise in accordance with the terms of an award granted pursuant to such a Company plan subsequent to the date hereof shall also be an Exempt Issuance), (b) securities upon the exercise or exchange of or conversion of any Securities issued hereunder and/or other securities exercisable or exchangeable for or convertible into shares of securities of the Company issued and outstanding on the date of this Agreement (including shares of common stock that the Company may issue pursuant to the presently outstanding shares of Series D Preferred Stock in lieu of cash dividends thereon) provided that such securities have not been amended since the date of this Agreement to increase the number of such securities or to decrease the exercise price, exchange price or conversion price of such securities (except that amendments or modifications to existing common stock purchase warrants to reduce the exercise price thereof and/or alter the number or type of securities issuable upon exercise thereof shall be included within the definition of an Exempt Issuance), (c) securities in connection with a rights offering to the Company’s stockholders, including any securities which may be issued upon exercise of the rights distributed to the Company’s stockholders, (d) securities issued pursuant to mergers, acquisitions or strategic transactions approved by a majority of the disinterested directors of the Company, provided that any such issuance shall only be to a Person (or to the equity holders of a Person) which is, itself or through its subsidiaries, an operating company or an owner of an asset in a business synergistic with the business of the Company and shall provide to the Company additional benefits in addition to the investment of funds, but shall not include a transaction in which the Company is issuing securities primarily for the purpose of raising capital or to an entity whose primary business is investing in securities, (e) shares of Common Stock (or securities convertible into or exercisable or exchangeable for shares of Common Stock) which may be issued to consultants, vendors, lessors, distributors or similar persons, to the Company as consideration for services or assets provided to the Company (and the shares of Common Stock which may be issued upon exercise or conversion of convertible securities issued to the class persons specified in this clause) up to a maximum of 2,000,000 shares of Common Stock, (f) shares of Common Stock or other securities issued in connection with any stock split, stock dividend or recapitalization of the Company, and (g) a firm commitment underwritten public offering of equity securities of the Company for at least $5,000,000 of gross proceeds.

“Fair Market Value” means, on any given day: (A) if the shares of Common Stock of the Company are exchange-traded, the average of the closing sales prices per share of Common Stock for the ten (10) consecutive Trading Days ending on the day that is two (2) Trading Days prior to the applicable date of determination of Fair Market Value; or (B) if the shares of Common Stock of the Company are not listed or admitted to trading on any securities exchange but are regularly traded in any over-the-counter market, then the average of the bid and ask prices per share of Common Stock for the ten (10) consecutive Trading Days ending on the day that is two (2) Trading Days prior to the applicable date of determination of Fair Market Value; or (C) if the shares of Common Stock of the Company are not traded as described in clauses (A) or (B), then the per share fair market value of the Common Stock as determined in good faith by the Company’s Board of Directors.

“Fundamental Transaction” shall have the meaning set forth in Section 5(d).

“Indebtedness” shall have the meaning ascribed to such term in the Security Agreement.

“Interest Payment Date” shall have the meaning set forth in Section 2(a).

“Issuable Maximum” shall have the meaning set forth in Section 4(e).

“Majority in Interest” means, at any time of determination, fifty-one percent (51%) in interest (based on then-outstanding principal amounts of Notes at the time of such determination) of the holders of Notes.

“Notice of Conversion” shall have the meaning set forth in Section 4(a).

“Optional Redemption” shall have the meaning set forth in Section 6(a).

“Optional Redemption Amount” means the sum of (a) 110% of the then outstanding principal amount of the Note and (b) accrued but unpaid interest through the Optional Redemption Date.

“Original Issue Date” means the date of the first issuance of the Notes, regardless of any transfers of any Note and regardless of the number of instruments which may be issued to evidence such Notes.

“Permitted Indebtedness” shall have the meaning ascribed to such term in the Security Agreement, except that to the extent that any provision therein refers to the original date of such agreement, then solely for the purposes hereof, such term shall be construed as referring to the Original Issue Date.

“Permitted Liens” shall have the meaning ascribed to such term in the Security Agreement, except that to the extent that any provision therein refers to the original date of such agreement, then solely for the purposes hereof, such term shall be construed as referring to the Original Issue Date.

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

“Share Delivery Date” shall have the meaning set forth in Section 4(c)(ii).

“Successor Entity” shall have the meaning set forth in Section 5(d).

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

“Trading Market” means any of the following markets or exchanges on which the Common Stock is listed or quoted for trading on the date in question: the NYSE MKT, the Nasdaq Capital Market, the Nasdaq Global Market, the Nasdaq Global Select Market, the New York Stock Exchange, the OTC Bulletin Board or the OTC Markets Inc. (or any successors to any of the foregoing).

Section 2. Interest and Prepayment.

(a) Payment of Interest. The Company shall pay interest to the Holder on the aggregate unconverted and then outstanding principal amount of this Note at the rate of 9% per annum, payable in arrears on (i) each Optional Redemption Date (as to that principal amount then being redeemed), (ii) each date on which any principal amount of this Note is being converted (as to that principal amount being converted), and (iii) on the Maturity Date (each such date, an “Interest Payment Date”) (if any Interest Payment Date is not a Business Day, then the applicable payment shall be due on the next succeeding Business Day), in cash.

(b) Interest Calculations. Interest shall be calculated on the basis of a 360-day year, consisting of twelve 30 calendar day periods, and shall accrue daily commencing on the Original Issue Date until payment in full of the outstanding principal, has been made.

(c) Prepayment. Except as otherwise set forth in this Note, the Company may not prepay any portion of the principal amount of this Note without the prior written consent of the Holder.

Section 3. Registration of Transfers and Exchanges.

(a) Different Denominations. This Note is exchangeable for an equal aggregate principal amount of Notes of different authorized denominations, as requested by the Holder surrendering the same. No service charge or other cost will be payable by the Holder for such registration of transfer or exchange. Further, provided that the Company enters into a definitive agreement for the acquisition of all of the outstanding membership interests of Peachstate Health Management LLC, (d/b/a AEON Clinical Laboratories) (the “Definitive Agreement”) and consummates the initial closing as contemplated by such Definitive Agreement, then prior to the date that is the three (3) year anniversary date of the initial closing under such Definitive Agreement, the Holder agrees that it shall not, to its knowledge, transfer all or any portion of this Note or any of the Conversion Shares to any other person or entity, which person or entity is either (i) the beneficial holder of more than 4.99% of the Common Stock of the Company or (ii) would become, by reason of such transfer, the beneficial holder of more than 4.99% of the Common Stock of the Company.

(b) Investment Representations. This Note has been issued subject to certain investment representations of the original Holder set forth in the Exchange Agreement and may be transferred or exchanged only in compliance with the Exchange Agreement and applicable federal and state securities laws and regulations.

(c) Reliance on Note Register. Prior to due presentment for transfer to the Company of this Note, the Company and any agent of the Company may treat the Person in whose name this Note is duly registered on the Note Register as the owner hereof for the purpose of receiving payment as herein provided and for all other purposes, whether or not this Note is overdue, and neither the Company nor any such agent shall be affected by notice to the contrary.

(d) Registration Rights. The Holder shall be entitled to all of the rights and subject to all of the obligations regarding registration of the shares of Common Stock issuable upon the conversion of this Note as described in the Exchange Agreement.

Section 4. Conversion.

(a) Voluntary Conversion. At any time after July 1, 2016 until this Note is no longer outstanding, principal and interest under this Note shall be convertible, in whole or in part, into shares of Common Stock at the option of the Holder, at any time and from time to time (subject to the conversion limitations set forth in Section 4(d) and Section 4(e) hereof). The Holder shall effect conversions by delivering to the Company a Notice of Conversion, the form of which is attached hereto as Annex A (each, a “Notice of Conversion”), specifying therein the principal amount of this Note to be converted and the date on which such conversion shall be effected (such date, the “Conversion Date”). If no Conversion Date is specified in a Notice of Conversion, the Conversion Date shall be the date that such Notice of Conversion is deemed delivered hereunder. No ink-original Notice of Conversion shall be required, nor shall any medallion guarantee (or other type of guarantee or notarization) of any Notice of Conversion form be required. To effect conversions hereunder, the Holder shall not be required to physically surrender this Note to the Company unless the entire principal amount of this Note has been so converted. Conversions hereunder shall have the effect of lowering the outstanding principal amount of this Note in an amount equal to the applicable conversion. The Holder and the Company shall maintain records showing the principal amount(s) converted and the date of such conversion(s). The Company may deliver an objection to any Notice of Conversion within two (2) Business Days of delivery of such Notice of Conversion. In the event of any dispute or discrepancy, the records of the Company shall be controlling and determinative in the absence of manifest error. The Holder, and any assignee by acceptance of this Note, acknowledge and agree that, by reason of the provisions of this paragraph, following conversion of a portion of this Note, the unpaid and unconverted principal amount of this Note may be less than the amount stated on the face hereof.

(b) Conversion Price. The conversion price in effect on any Conversion Date shall be equal to $0.25 per share, subject to adjustment herein (the “Conversion Price”).

(i) Conversion Shares Issuable Upon Conversion of Principal Amount. The number of Conversion Shares issuable upon a conversion of the principal amount of this Note shall be equal to the quotient obtained by dividing (x) the outstanding principal amount of this Note to be converted by (y) the Conversion Price.

(ii) Delivery of Certificate Upon Conversion. Not later than three (3) Trading Days after each Conversion Date (the “Share Delivery Date”), the Company shall deliver, or cause to be delivered, to the Holder (A) a certificate or certificates representing the number of Conversion Shares being acquired upon the conversion of this Note and (B) a bank check in the amount of accrued and unpaid interest. On or after the six month anniversary of the Original Issue Date, the Company shall use its reasonable best efforts to deliver any certificate or certificates required to be delivered by the Company under this Section 4(c) electronically through The Depository Trust Company or another established clearing corporation performing similar functions.

(iii) Company’s Failure to Timely Convert. If the Company shall fail, for any reason or for no reason, to issue to the Holder within three (3) Trading Days after the Company’s receipt of a Conversion Notice (whether via facsimile or otherwise), a certificate for the number of shares of Common Stock to which the Holder is entitled and register such shares of Common Stock on the Company’s share register or to credit the Holder’s or its designee’s balance account with DTC for such number of shares of Common Stock to which the Holder is entitled upon the Holder’s conversion of any Conversion Amount (as the case may be) (a “Conversion Failure”), then, in addition to all other remedies available to the Holder, (1) the Company shall pay in cash to the Holder on each day after such third (3rd)

Trading Day that the issuance of such shares of Common Stock is not timely effected an amount equal to 0.5% of the product of (A) the sum of the number of shares of Common Stock not issued to the Holder on a timely basis and to which the Holder is entitled multiplied by (B) the Closing Sale Price of the Common Stock on the Trading Day immediately preceding the last possible date which the Company could have issued such shares of Common Stock to the Holder without violating Section 3(c)(i) and (2) the Holder, upon written notice to the Company, may void its Conversion Notice with respect to, and retain or have returned (as the case may be) any portion of this Note that has not been converted pursuant to such Conversion Notice, provided that the voiding of a Conversion Notice shall not affect the Company’s obligations to make any payments which have accrued prior to the date of such notice pursuant to this Section 4(c)(iii) or otherwise. The Holder agrees, however, that the maximum aggregate damages payable to a Holder hereunder for a Conversion Failure shall be 2% of the amount determined pursuant to the formula set forth in the immediately preceding sentence. In addition to the foregoing, if within three (3) Trading Days after the Company’s receipt of a Conversion Notice (whether via facsimile or otherwise), the Company shall fail to issue and deliver a certificate to the Holder and register such shares of Common Stock on the Company’s share register or credit the Holder’s or its designee’s balance account with DTC for the number of shares of Common Stock to which the Holder is entitled upon the Holder’s conversion hereunder (as the case may be), and if on or after such third (3rd) Trading Day the Holder purchases (in an open market transaction or otherwise) shares of Common Stock to deliver in satisfaction of a sale by the Holder of shares of Common Stock issuable upon such conversion that the Holder anticipated receiving from the Company, then, in addition to all other remedies available to the Holder, the Company shall, within three (3) Business Days after the Holder’s request and in the Holder’s discretion, either (i) pay cash to the Holder in an amount equal to the Holder’s total purchase price (including brokerage commissions and other out-of-pocket expenses, if any) for the shares of Common Stock so purchased (the “Buy-In Price”), at which point the Company’s obligation to deliver such certificate (and to issue such shares of Common Stock) shall terminate, or (ii) promptly honor its obligation to deliver to the Holder a certificate or certificates representing such shares of Common Stock or credit the Holder’s balance account with DTC for the number of shares of Common Stock to which the Holder is entitled upon the Holder’s conversion hereunder (as the case may be) and pay cash to the Holder in an amount equal to the excess (if any) of the Buy-In Price over the product of (A) such number of shares of Common Stock multiplied by (B) the Closing Sale Price of the Common Stock on the Trading Day immediately preceding the Conversion Date.

(iv) Obligation Absolute. The Company’s obligations to issue and deliver the Conversion Shares upon conversion of this Note in accordance with the terms hereof are absolute and unconditional, irrespective of any action or inaction by the Holder to enforce the same, any waiver or consent with respect to any provision hereof, the recovery of any judgment against any Person or any action to enforce the same, or any setoff, counterclaim, recoupment, limitation or termination, or any breach or alleged breach by the Holder or any other Person of any obligation to the Company or any violation or alleged violation of law by the Holder or any other Person, and irrespective of any other circumstance which might otherwise limit such obligation of the Company to the Holder in connection with the issuance of such Conversion Shares; provided, however, that such delivery shall not operate as a waiver by the Company of any such action the Company may have against the Holder. Nothing herein shall limit a ▇▇▇▇▇▇’s right to pursue actual damages or declare an Event of Default pursuant to Section 8 hereof for the Company’s failure to deliver Conversion Shares within the period specified herein and the Holder shall have the right to pursue all remedies available to it hereunder, at law or in equity including, without limitation, a decree of specific performance and/or injunctive relief. The exercise of any such rights shall not prohibit the Holder from seeking to enforce damages pursuant to any other Section hereof or under applicable law.

(v) Reservation of Shares Issuable Upon Conversion. The Company covenants that it will at all times reserve and keep available out of its authorized and unissued shares of Common

Stock for the sole purpose of issuance upon conversion of this Note, free from preemptive rights or any other actual contingent purchase rights of Persons other than the Holder (and the other holders of the Notes), not less than 125% of such aggregate number of shares of the Common Stock as shall (subject to the terms and conditions set forth in the Exchange Agreement) be issuable (taking into account the adjustments and restrictions of Section 5) upon the conversion of the then outstanding principal amount of this Note. The Company covenants that all shares of Common Stock that shall be so issuable shall, upon issue, be duly authorized, validly issued, fully paid and non-assessable and, if the Registration Statement is then effective under the Securities Act, shall be registered for public resale in accordance with such Registration Statement (subject to such Holder’s compliance with its obligations under the Registration Rights Agreement).

(vi) Fractional Shares. No fractional shares or scrip representing fractional shares shall be issued upon the conversion of this Note. As to any fraction of a share which the Holder would otherwise be entitled to purchase upon such conversion, the Company shall round up such fractional share to the next whole share.

(vii) Transfer Taxes and Expenses. The issuance of certificates for shares of the Common Stock on conversion of this Note shall be made without charge to the Holder hereof for any documentary stamp or similar taxes that may be payable in respect of the issue or delivery of such certificates, provided that, the Company shall not be required to pay any tax that may be payable in respect of any transfer involved in the issuance and delivery of any such certificate upon conversion in a name other than that of the Holder of this Note so converted and the Company shall not be required to issue or deliver such certificates unless or until the Person or Persons requesting the issuance thereof shall have paid to the Company the amount of such tax or shall have established to the satisfaction of the Company that such tax has been paid. The Company shall pay all Transfer Agent fees required for same-day processing of any Notice of Conversion.

(d) ▇▇▇▇▇▇’s Conversion Limitations. The Company shall not effect any conversion of this Note, and a Holder shall not have the right to convert any portion of this Note, to the extent that after giving effect to the conversion set forth on the applicable Notice of Conversion, the Holder (together with the Holder’s Affiliates, and any Persons acting as a group together with the Holder or any of the Holder’s Affiliates) would beneficially own in excess of the Beneficial Ownership Limitation (as defined below). For purposes of the foregoing sentence, the number of shares of Common Stock beneficially owned by the Holder and its Affiliates shall include the number of shares of Common Stock issuable upon conversion of this Note with respect to which such determination is being made, but shall exclude the number of shares of Common Stock which are issuable upon (i) conversion of the remaining, unconverted principal amount of this Note beneficially owned by the Holder or any of its Affiliates and (ii) exercise or conversion of the unexercised or unconverted portion of any other securities of the Company, in both cases which are subject to a limitation on conversion or exercise analogous to the limitation contained herein (including, without limitation, any other Notes or the Warrants) beneficially owned by the Holder or any of its Affiliates. Except as set forth in the preceding sentence, for purposes of this Section 4(d), beneficial ownership shall be calculated in accordance with Section 13(d) of the Exchange Act and the rules and regulations promulgated thereunder. To the extent that the limitation contained in this Section 4(d) applies, the determination of whether this Note is convertible (in relation to other securities owned by the Holder together with any Affiliates) and of which principal amount of this Note is convertible shall be in the sole discretion of the Holder, and the submission of a Notice of Conversion shall be deemed to be the Holder’s determination of whether this Note may be converted (in relation to other securities owned by the Holder together with any Affiliates) and which principal amount of this Note is convertible, in each case subject to the Beneficial Ownership Limitation. To ensure compliance with this restriction, the Holder will be deemed to represent to the Company each time it delivers a Notice of Conversion that such Notice of Conversion has not violated the restrictions set forth

in this paragraph and the Company shall have no obligation to verify or confirm the accuracy of such determination. In addition, a determination as to any group status as contemplated above shall be determined in accordance with Section 13(d) of the Exchange Act and the rules and regulations promulgated thereunder. For purposes of this Section 4(d), in determining the number of outstanding shares of Common Stock, the Holder may rely on the number of outstanding shares of Common Stock as stated in the most recent of the following: (i) the Company’s most recent periodic or annual report filed with the Commission, as the case may be, (ii) a more recent public announcement by the Company, or (iii) a more recent written notice by the Company or the Company’s transfer agent setting forth the number of shares of Common Stock outstanding. Upon the written or oral request of a Holder, the Company shall within two Trading Days confirm orally and in writing to the Holder the number of shares of Common Stock then outstanding. In any case, the number of outstanding shares of Common Stock shall be determined after giving effect to the conversion or exercise of securities of the Company, including this Note, by the Holder or its Affiliates since the date as of which such number of outstanding shares of Common Stock was reported. The “Beneficial Ownership Limitation” shall be 4.99% of the number of shares of the Common Stock outstanding immediately after giving effect to the issuance of shares of Common Stock issuable upon conversion of this Note held by the Holder. The Holder, upon not less than 61 days’ prior notice to the Company, may increase or decrease the Beneficial Ownership Limitation provisions of this Section 4(d), provided that the Beneficial Ownership Limitation in no event exceeds 9.99% of the number of shares of the Common Stock outstanding immediately after giving effect to the issuance of shares of Common Stock upon conversion of this Note held by the Holder and the Beneficial Ownership Limitation provisions of this Section 4(d) shall continue to apply. Any such increase or decrease will not be effective until the 61^st day after such notice is delivered to the Company. The Beneficial Ownership Limitation provisions of this paragraph shall be construed and implemented in a manner otherwise than in strict conformity with the terms of this Section 4(d) to correct this paragraph (or any portion hereof) which may be defective or inconsistent with the intended Beneficial Ownership Limitation contained herein or to make changes or supplements necessary or desirable to properly give effect to such limitation. The limitations contained in this paragraph shall apply to a successor holder of this Note.

(e) Issuance Limitations. Notwithstanding anything herein to the contrary, if the Company has not obtained Shareholder Approval, then the Company may not issue, upon conversion of either the principal amount of, or Interest thereon, this Note, a number of shares of Common Stock which, when aggregated with any shares of Common Stock issued on or after the Original Issue Date and prior to such Conversion Date (i) in connection with the conversion of any Notes issued pursuant to the Exchange Agreement, and (ii) in connection with the exercise of any Warrants issued pursuant to the Exchange Agreement, would exceed 15.1% of the number of shares of Common Stock outstanding on the Trading Day immediately preceding the Original Issue Date (subject to adjustment for forward and reverse stock splits, recapitalizations and the like) (such number of shares, the “Issuable Maximum”). Each Holder shall be entitled to a portion of the Issuable Maximum equal to the quotient obtained by dividing (x) the original principal amount of the Holder’s Note by (y) the aggregate original principal amount of all promissory notes issued pursuant to the Exchange Agreement or another substantially similar note exchange agreement. In addition, each Holder may allocate its pro-rata portion of the Issuable Maximum among Notes and Warrants held by it in its sole discretion. Such portion shall be adjusted upward ratably in the event a Holder no longer holds any Notes or Warrants and the amount of shares issued to the Holder pursuant to the Holder’s Notes and Warrants was less than the Holder’s pro-rata share of the Issuable Maximum. The Company and the Holder understand and agree that shares of Common Stock issued to and then held by the Holder as a result of conversions of this Note shall not be entitled to cast votes on any resolution to obtain Shareholder Approval pursuant hereto.

Section 5. Certain Adjustments.

(a) Stock Dividends and Stock Splits. If the Company, at any time while this Note is outstanding: (i) pays a stock dividend or otherwise makes a distribution or distributions payable in shares of Common Stock on shares of Common Stock or any Common Stock Equivalents (which, for avoidance of doubt, shall not include any shares of Common Stock issued by the Company upon conversion of the Notes or upon the exercise of any options or warrants), (ii) subdivides outstanding shares of Common Stock into a larger number of shares, (iii) combines (including by way of a reverse stock split) outstanding shares of Common Stock into a smaller number of shares or (iv) issues, in the event of a reclassification of shares of the Common Stock, any shares of capital stock of the Company, then the Conversion Price shall be multiplied by a fraction of which the numerator shall be the number of shares of Common Stock (excluding any treasury shares of the Company) outstanding immediately before such event, and of which the denominator shall be the number of shares of Common Stock outstanding immediately after such event. Any adjustment made pursuant to this Section shall become effective immediately after the record date for the determination of stockholders entitled to receive such dividend or distribution and shall become effective immediately after the effective date in the case of a subdivision, combination or re-classification.

(b) Pro Rata Distributions. During such time as this Note is outstanding, if the Company shall declare or make any dividend or other distribution of its assets (or rights to acquire its assets) to holders of shares of Common Stock, by way of return of capital or otherwise (including, without limitation, any distribution of cash, stock or other securities, property or options by way of a dividend, spin off, reclassification, corporate rearrangement, scheme of arrangement or other similar transaction) (a “Distribution”), at any time after the issuance of this Note, then, in each such case, the Holder shall be entitled to participate in such Distribution to the same extent that the Holder would have participated therein if the Holder had held the number of shares of Common Stock acquirable upon complete exercise of this Note (without regard to any limitations on exercise hereof, including without limitation, the Beneficial Ownership Limitation) immediately before the date of which a record is taken for such Distribution, or, if no such record is taken, the date as of which the record holders of shares of Common Stock are to be determined for the participation in such Distribution (provided, however, to the extent that the Holder’s right to participate in any such Distribution would result in the Holder exceeding the Beneficial Ownership Limitation, then the Holder shall not be entitled to participate in such Distribution to such extent (or in the beneficial ownership of any shares of Common Stock as a result of such Distribution to such extent) and the portion of such Distribution shall be held in abeyance for the benefit of the Holder until such time, if ever, as its right thereto would not result in the Holder exceeding the Beneficial Ownership Limitation). Notwithstanding the foregoing, no adjustment will be made under this Section 5(b) in respect of an Exempt Issuance.

(c) Subsequent Equity Sales. If, at any time while this Note is outstanding, the Company sells or grants any option to purchase or reduces the conversion or exercise price of any outstanding securities, grants any right to reduce, or otherwise disposes of or issues, any Common Stock or Common Stock Equivalents entitling any Person to acquire shares of Common Stock at a price per share that is lower than the then Conversion Price, other than in connection with any Common Stock Equivalents outstanding on the Original Issue Date (such lower price, the “Base Conversion Price” and such issuances, collectively, a “Dilutive Issuance”) then the Conversion Price shall be reduced to equal the product of (i) 0.85 and (ii) the Base Conversion Price; provided, however, that such adjustment to the Conversion Price shall be made only to the extent that after taking into account such adjustment to the Conversion Price the number of authorized but unissued shares of Common Stock available for issuance under the Company’s Certificate of Incorporation is sufficient for the issuance of the maximum number of Conversion Shares issuable upon conversion of the Note at such adjusted Conversion Price. In the event that the Company at such time does not have a sufficient number of authorized but unissued shares

of Common Stock available for issuance at an adjusted Conversion Price, the Company shall immediately use all commercially reasonable efforts to convene a meeting of its stockholders for the purpose of further amending its Certificate of Incorporation for the purpose of increasing the authorized number of shares of Common Stock in such an amount as is necessary to permit conversion of the Notes into the additional Conversion Shares issuable on account of such adjustment. Such adjustment shall be made whenever such Common Stock or Common Stock Equivalents are issued. For purposes of clarity, if the holder of Common Stock or Common Stock Equivalents so issued shall at any time, whether by operation of purchase price adjustments, reset provisions, floating conversion, exercise or exchange prices or otherwise, or due to warrants, options or rights per share which are issued in connection with such issuance, be entitled to receive shares of Common Stock at a price per share that is lower than the Conversion Price, such issuance shall be deemed to be a Dilutive Issuance. The Company shall notify the Holder in writing, no later than the Trading Day following the issuance of any Common Stock or Common Stock Equivalents subject to this Section 5(c), indicating therein the applicable issuance price, or applicable reset price, exchange price, conversion price and other pricing terms (such notice, the “Dilutive Issuance Notice”). For purposes of clarification, whether or not the Company provides a Dilutive Issuance Notice pursuant to this Section 5(c), upon the occurrence of any Dilutive Issuance, the Holder is entitled to receive a number of Conversion Shares based upon the Base Conversion Price on or after the date of such Dilutive Issuance, regardless of whether the Holder accurately refers to the Base Conversion Price in the Notice of Conversion. Notwithstanding the foregoing, no adjustment will be made under this Section 5(c) in respect of an Exempt Issuance.

(d) Fundamental Transaction. If, at any time while this Note is outstanding, (i) the Company, directly or indirectly, in one or more related transactions effects any merger or consolidation of the Company with or into another Person, (ii) the Company, directly or indirectly, effects any sale, lease, license, assignment, transfer, conveyance or other disposition of all or substantially all of its assets in one or a series of related transactions, (iii) any, direct or indirect, purchase offer, tender offer or exchange offer (whether by the Company or another Person) is completed pursuant to which holders of Common Stock are permitted to sell, tender or exchange their shares for other securities, cash or property and has been accepted by the holders of more than 50% of the outstanding Common Stock, (iv) the Company, directly or indirectly, in one or more related transactions effects any reclassification, reorganization or recapitalization of the Common Stock or any compulsory share exchange pursuant to which the shares of Common Stock of the Company are effectively converted into or exchanged for other securities, cash or property, or (v) the Company, directly or indirectly, in one or more related transactions consummates a business combination (including, without limitation, a reorganization, recapitalization, spin-off or scheme of arrangement) with another Person or group of Persons whereby such other Person or group acquires more than 50% of the outstanding shares of Common Stock (not including any shares of Common Stock held by the other Person or other Persons making or party to, or associated or affiliated with the other Persons making or party to, such stock or share purchase agreement or other business combination) (each a “Fundamental Transaction”), then, upon any subsequent conversion of this Note, the Holder shall have the right to receive, for each Conversion Share that would have been issuable upon such conversion immediately prior to the occurrence of such Fundamental Transaction (without regard to any limitation in Section 4(d) and Section 4(e) on the conversion of this Note), the number of shares of Common Stock of the successor or acquiring corporation or of the Company, if it is the surviving corporation, and any additional consideration (the “Alternate Consideration”) receivable as a result of such Fundamental Transaction by a holder of the number of shares of Common Stock for which this Note is convertible immediately prior to such Fundamental Transaction (without regard to any limitation in Section 4(d) and Section 4(e) on the conversion of this Note). For purposes of any such conversion, the determination of the Conversion Price shall be appropriately adjusted to apply to such Alternate Consideration based on the amount of Alternate Consideration issuable in respect of one (1) share of Common Stock in such Fundamental Transaction, and the Company shall apportion the Conversion Price among the Alternate Consideration in a reasonable manner reflecting the relative value of any different components of the

Alternate Consideration. If holders of Common Stock are given any choice as to the securities, cash or property to be received in a Fundamental Transaction, then the Holder shall be given the same choice as to the Alternate Consideration it receives upon any conversion of this Note following such Fundamental Transaction. The Company shall cause any successor entity in a Fundamental Transaction in which the Company is not the survivor (the “Successor Entity”) to assume in writing all of the obligations of the Company under this Note and the other Transaction Documents in accordance with the provisions of this Section 5(d). Upon the occurrence of any such Fundamental Transaction, the Successor Entity shall succeed to, and be substituted for (so that from and after the date of such Fundamental Transaction, the provisions of this Note and the other Transaction Documents referring to the “Company” shall refer instead to the Successor Entity), and may exercise every right and power of the Company and shall assume all of the obligations of the Company under this Note and the other Transaction Documents with the same effect as if such Successor Entity had been named as the Company herein.

(e) Calculations. All calculations under this Section 5 shall be made to the nearest cent or the nearest 1/100th of a share, as the case may be. For purposes of this Section 5, the number of shares of Common Stock deemed to be issued and outstanding as of a given date shall be the sum of the number of shares of Common Stock (excluding any treasury shares of the Company) issued and outstanding.

(f) Notice to the Holder.

(i) Adjustment to Conversion Price. Whenever the Conversion Price is adjusted pursuant to any provision of this Section 5, the Company shall promptly deliver to each Holder a notice setting forth the Conversion Price after such adjustment and setting forth a brief statement of the facts requiring such adjustment.

(ii) Notice to Allow Conversion by ▇▇▇▇▇▇. If (A) the Company shall declare a dividend (or any other distribution in whatever form) on the Common Stock, (B) the Company shall declare a special nonrecurring cash dividend on or a redemption of the Common Stock, (C) the approval of any stockholders of the Company shall be required in connection with any reclassification of the Common Stock, any consolidation or merger to which the Company is a party, any sale or transfer of all or substantially all of the assets of the Company, or any compulsory share exchange whereby the Common Stock is converted into other securities, cash or property or (D) the Company shall authorize the voluntary or involuntary dissolution, liquidation or winding up of the affairs of the Company, then, in each case, the Company shall cause to be filed at each office or agency maintained for the purpose of conversion of this Note, and shall cause to be delivered to the Holder at its last address as it shall appear upon the Note Register, at least ten (10) calendar days prior to the applicable record or effective date hereinafter specified, a notice stating (x) the date on which a record is to be taken for the purpose of such dividend, distribution, redemption, rights or warrants, or if a record is not to be taken, the date as of which the holders of the Common Stock of record to be entitled to such dividend, distributions, redemption, rights or warrants are to be determined or (y) the date on which such reclassification, consolidation, merger, sale, transfer or share exchange is expected to become effective or close, and the date as of which it is expected that holders of the Common Stock of record shall be entitled to exchange their shares of the Common Stock for securities, cash or other property deliverable upon such reclassification, consolidation, merger, sale, transfer or share exchange, provided that the failure to deliver such notice or any defect therein or in the delivery thereof shall not affect the validity of the corporate action required to be specified in such notice. To the extent that any notice provided hereunder constitutes, or contains, material, non-public information regarding the Company, the Company shall not be required to provide such notice until such time as it makes public disclosure of such event, at which point it shall simultaneously with its public disclosure, provide notice to the Holder. The Holder shall remain entitled to convert this Note during the period commencing on the date of such notice through the effective date of the event triggering such notice except as may otherwise be expressly set forth herein.

Section 6. Redemption.

(a) Optional Redemption at Election of Company. Subject to the provisions of this Section 6(a), at any time after July 1, 2016 and from time to time thereafter, the Company may deliver a notice to the Holder (an “Optional Redemption Notice” and the date such notice is deemed delivered hereunder, the “Optional Redemption Notice Date”) of its irrevocable election to redeem some or all of the then outstanding principal amount of this Note for cash in an amount equal to the Optional Redemption Amount on the 60^th calendar day following the Optional Redemption Notice Date (such date, the “Optional Redemption Date,” such 60 day period, the “Optional Redemption Period” and such redemption, the “Optional Redemption”). The Optional Redemption Amount is payable in full on the Optional Redemption Date. The Company covenants and agrees that it will honor all permitted Notices of Conversion tendered from the time of delivery of the Optional Redemption Notice through 5:00 p.m. (New York time) on the business day immediately preceding the Optional Redemption Date. The Company’s determination to pay an Optional Redemption in cash shall be applied ratably to all of the holders of the then outstanding Notes based on their (or their predecessor’s) initial purchases of Notes pursuant to the Exchange Agreement. Unless a Holder elects to convert its Notes prior to the time and date specified above in compliance with the terms and conditions of this Note, each Holder shall, prior to 5:00 p.m. (New York time) on the Optional Redemption Date, return any and all original Notes to be redeemed to the Company (or such other place at set forth in the Optional Redemption Notice) and such certificates shall be duly endorsed or assigned either to the Company or in blank.

(b) Redemption Procedure. The payment of cash pursuant to an Optional Redemption shall be payable on the Optional Redemption Date. If any portion of the payment pursuant to an Optional Redemption shall not be paid by the Company by the applicable due date, interest shall accrue thereon at an interest rate equal to the lesser of 18% per annum or the maximum rate permitted by applicable law until such amount is paid in full. Notwithstanding anything herein contained to the contrary, if any portion of an Optional Redemption Amount in connection with an Optional Redemption remains unpaid after such date, the Holder may elect, by written notice to the Company given at any time thereafter, to invalidate such Optional Redemption, ab initio, and, with respect to the Company’s failure to honor the Optional Redemption, the Company shall have no further right to exercise such Optional Redemption.

Section 7. Negative Covenants. As long as any portion of this Note remains outstanding, unless the holders of a Majority in Interest shall have otherwise given prior written consent, the Company shall not, and shall not permit any of the Subsidiaries to, directly or indirectly:

(a) other than Permitted Indebtedness, enter into, create, incur, assume, guarantee or suffer to exist any indebtedness for borrowed money of any kind, including, but not limited to, a guarantee, on or with respect to any of its property or assets now owned or hereafter acquired or any interest therein or any income or profits therefrom;

(b) other than Permitted Liens, enter into, create, incur, assume or suffer to exist any Liens of any kind, on or with respect to any of its property or assets now owned or hereafter acquired or any interest therein or any income or profits therefrom;

(c) repay, repurchase or offer to repay, repurchase or otherwise acquire more than a de minimis number of shares of its Common Stock or Common Stock Equivalents other than as to (i) the Conversion Shares or Warrant Shares as permitted or required under the Transaction Documents and (ii) repurchases of Common Stock or Common Stock Equivalents pursuant to employee, director or consultant repurchase plans or similar agreements; or

(d) prepay any Indebtedness, other than the Notes if on a pro-rata basis and other than pursuant to payments of Permitted Indebtedness.

Section 8. Events of Default

(a) “Event of Default” means, wherever used herein, any of the following events (whatever the reason for such event and whether such event shall be voluntary or involuntary or effected by operation of law or pursuant to any judgment, decree or order of any court, or any order, rule or regulation of any administrative or governmental body):

(i) the Company’s or any Subsidiary’s failure to pay to the Holder any amount of Principal, Interest, late charges or other amounts when and as due under this Note (including, without limitation, the Company’s or any Subsidiary’s failure to pay any redemption payments or amounts hereunder) or any other Transaction Document (as defined in the Exchange Agreement) or any other agreement, document, certificate or other instrument delivered in connection with the transactions contemplated hereby and thereby, except, in the case of a failure to pay Interest, late charges or other amounts when and as due, in which case only if such failure remains uncured for a period of at least fifteen (15) days;

(ii) the occurrence of any default under, redemption of or acceleration prior to maturity of any Indebtedness of the Company or any of its Subsidiaries, other than in any amount not in excess of an aggregate of $150,000;

(iii) bankruptcy, insolvency, reorganization or liquidation proceedings or other proceedings for the relief of debtors shall be instituted by or against the Company or any Subsidiary and, if instituted against the Company or any Subsidiary by a third party, shall not be dismissed within sixty (60) days of their initiation

(iv) the commencement by the Company or any Subsidiary of a voluntary case or proceeding under any applicable federal, state or foreign bankruptcy, insolvency, reorganization or other similar law or of any other case or proceeding to be adjudicated a bankrupt or insolvent, or the filing by it of a petition seeking reorganization or relief under any applicable federal, state or foreign law, or the making by it of an assignment for the benefit of creditors, or the execution of a composition of debts, or the occurrence of any other similar federal, state or foreign proceeding, or the admission by it in writing of its inability to pay its debts generally as they become due, or the taking of corporate action by the Company or any Subsidiary in furtherance of any such action;

(v) the entry by a court of (i) a decree, order, judgment or other similar document in respect of the Company or any Subsidiary of a voluntary or involuntary case or proceeding under any applicable federal, state or foreign bankruptcy, insolvency, reorganization or other similar law or (ii) a decree, order, judgment or other similar document adjudging the Company or any Subsidiary as bankrupt or insolvent, or approving as properly filed a petition seeking liquidation, reorganization, arrangement, adjustment or composition of or in respect of the Company or any Subsidiary under any applicable federal, state or foreign law or (iii) a decree, order, judgment or other similar document appointing a custodian, receiver, liquidator, assignee, trustee, sequestrator or other similar official of the Company or any Subsidiary or of any substantial part of its property, or ordering the winding up or liquidation of its affairs, and the continuance of any such decree, order, judgment or other similar document or any such other decree, order, judgment or other similar document unstayed and in effect for a period of sixty (60) consecutive days;

(vi) a final judgment or judgments for the payment of money aggregating in excess of $150,000 are rendered against the Company and/or any of its Subsidiaries and which judgments are not, within forty-five (45) days after the entry thereof, bonded, discharged or stayed pending appeal, or are not discharged within thirty (30) days after the expiration of such stay; provided, however, any judgment which is covered by insurance or an indemnity from a credit worthy party shall not be included in calculating the $150,000 amount set forth above so long as the Company provides the Holder a written statement from such insurer or indemnity provider (which written statement shall be reasonably satisfactory to the Holder) to the effect that such judgment is covered by insurance or an indemnity and the Company or such Subsidiary (as the case may be) will receive the proceeds of such insurance or indemnity within forty-five (45) days of the issuance of such judgment;

(vii) the Company and/or any Subsidiary, individually or in the aggregate, either (i) fails to pay, when due, or within any applicable grace period, any payment with respect to any Indebtedness in excess of $150,000 due to any third party (other than, with respect to unsecured Indebtedness only, payments contested by the Company and/or such Subsidiary (as the case may be) in good faith by proper proceedings and with respect to which adequate reserves have been set aside for the payment thereof in accordance with GAAP) or is otherwise in breach or violation of any agreement for monies owed or owing in an amount in excess of $150,000, which breach or violation permits the other party thereto to declare a default or otherwise accelerate amounts due thereunder, or (ii) suffer to exist any other circumstance or event that would, with or without the passage of time or the giving of notice, result in a default or event of default under any agreement binding the Company or any Subsidiary, which default or event of default would or is likely to have a material adverse effect on the business, assets, operations (including results thereof), liabilities, properties, condition (including financial condition) or prospects of the Company or any of its Subsidiaries, individually or in the aggregate;

(viii) other than as specifically set forth in another clause of this Section 8(a), the Company or any Subsidiary breaches, in any material respect, any representation, warranty, covenant or other term or condition of any Transaction Document (including, without limitation, the Amended Security Agreement, except, in the case of a breach of a covenant or other term or condition that is curable, only if such breach remains uncured for a period of ten (10) consecutive Trading Days after notice of breach from Holder or fifteen (15) consecutive Trading Days from when the Company became aware of such breach (in each case, subject to any grace or cure period provided therein);

(ix) any material provision of any Transaction Document (including, without limitation, the Amended Security Agreement) shall at any time for any reason (other than pursuant to the express terms thereof or such provision has been performed in full or waived by the relevant party) cease to be valid and binding on or enforceable against the parties thereto, or a proceeding shall be commenced by the Company or any Subsidiary or any governmental authority having jurisdiction over any of them, seeking to establish the invalidity or unenforceability thereof, or the Company or any Subsidiary shall deny in writing that it has any liability or obligation purported to be created under any Transaction Document (including, without limitation, the Amended Security Agreement);

(x) the Amended Security Agreement shall for any reason fail or cease to create a separate valid and perfected and, except to the extent permitted by the terms hereof or thereof, first priority Lien on the Collateral (as defined in the Security Agreement) in favor of the Holder; or

(xi) any material damage to, or loss, theft or destruction of, any material portion of the Collateral, whether or not insured, which causes, for more than thirty (30) consecutive days, the cessation or substantial curtailment of revenue producing activities at any facility of the Company or any Subsidiary, if any such event or circumstance could have a Material Adverse Effect.

(b) Remedies upon Event of Default.

(i) If an Event of Default occurs and is continuing with respect to any of the Notes, the Holder may declare all of the then outstanding Principal of this Note and all other Notes held by the Holder, including any Interest, to be due and payable immediately, except that in the case of an Event of Default arising from events described in clauses (iii), (iv) and/or (v) of Section 8(a), this Note shall become due and payable automatically without further action or notice. In the event of such acceleration, the amount due and owing to the Holder shall be 110% of the outstanding Principal of the Notes held by the Holder (plus all accrued and unpaid Interest and late charges, if any). The Holder’s remedies under this Note shall be cumulative.

Section 9. Miscellaneous.

(a) Notices. Any and all notices or other communications or deliveries to be provided by the Holder hereunder, including, without limitation, any Notice of Conversion, shall be in writing and delivered personally, by facsimile, or sent by a nationally recognized overnight courier service, addressed to the Company, at the address set forth above, or such other facsimile number or address as the Company may specify for such purposes by notice to the Holder delivered in accordance with this Section 9(a). Any and all notices or other communications or deliveries to be provided by the Company hereunder shall be in writing and delivered personally, by facsimile, or sent by a nationally recognized overnight courier service addressed to each Holder at the facsimile number or address of the Holder appearing on the books of the Company, or if no such facsimile number or address appears on the books of the Company, at the principal place of business of such Holder, as set forth in the Exchange Agreement. Any notice or other communication or deliveries hereunder shall be deemed given and effective on the earliest of (i) the date of transmission, if such notice or communication is delivered via facsimile at the facsimile number set forth on the signature pages attached hereto prior to 5:30 p.m. (New York City time) on any date, (ii) the next Trading Day after the date of transmission, if such notice or communication is delivered via facsimile at the facsimile number set forth on the signature pages attached hereto on a day that is not a Trading Day or later than 5:30 p.m. (New York City time) on any Trading Day, (iii) the second Trading Day following the date of mailing, if sent by U.S. nationally recognized overnight courier service or (iv) upon actual receipt by the party to whom such notice is required to be given.

(b) Absolute Obligation. Except as expressly provided herein, no provision of this Note shall alter or impair the obligation of the Company, which is absolute and unconditional, to pay the principal of, liquidated damages and accrued interest, as applicable, on this Note at the time, place, and rate, and in the coin or currency, herein prescribed. This Note is a direct debt obligation of the Company.

(c) Lost or Mutilated Note. If this Note shall be mutilated, lost, stolen or destroyed, the Company shall execute and deliver, in exchange and substitution for and upon cancellation of a mutilated Note, or in lieu of or in substitution for a lost, stolen or destroyed Note, a new Note for the principal amount of this Note so mutilated, lost, stolen or destroyed, but only upon receipt of evidence of such loss, theft or destruction of such Note, and of the ownership hereof, reasonably satisfactory to the Company.

(d) Governing Law. All questions concerning the construction, validity, enforcement and interpretation of this Note shall be governed by and construed and enforced in accordance with the internal laws of the State of New York, without regard to the principles of conflict of laws thereof. Each party agrees that all legal proceedings concerning the interpretation, enforcement and defense of the transactions contemplated by any of the Transaction Documents (whether brought against a party hereto or its respective Affiliates, directors, officers, shareholders, employees or agents) shall be commenced in the state and federal courts sitting in the City of New York, Borough of Manhattan (the “New York Courts”). Each party hereto hereby irrevocably submits to the exclusive jurisdiction of the New York

Courts for the adjudication of any dispute hereunder or in connection herewith or with any transaction contemplated hereby or discussed herein (including with respect to the enforcement of any of the Transaction Documents), and hereby irrevocably waives, and agrees not to assert in any suit, action or proceeding, any claim that it is not personally subject to the jurisdiction of such New York Courts, or such New York Courts are improper or inconvenient venue for such proceeding. Each party hereby irrevocably waives personal service of process and consents to process being served in any such suit, action or proceeding by mailing a copy thereof via registered or certified mail or overnight delivery (with evidence of delivery) to such party at the address in effect for notices to it under this Note and agrees that such service shall constitute good and sufficient service of process and notice thereof. Nothing contained herein shall be deemed to limit in any way any right to serve process in any other manner permitted by applicable law. Each party hereto hereby irrevocably waives, to the fullest extent permitted by applicable law, any and all right to trial by jury in any legal proceeding arising out of or relating to this Note or the transactions contemplated hereby.

(e) Waiver. Any waiver by the Company or the Holder of a breach of any provision of this Note shall not operate as or be construed to be a waiver of any other breach of such provision or of any breach of any other provision of this Note. The failure of the Company or the Holder to insist upon strict adherence to any term of this Note on one or more occasions shall not be considered a waiver or deprive that party of the right thereafter to insist upon strict adherence to that term or any other term of this Note on any other occasion. Any waiver by the Company or the Holder must be in writing.

(f) Severability. If any provision of this Note is invalid, illegal or unenforceable, the balance of this Note shall remain in effect, and if any provision is inapplicable to any Person or circumstance, it shall nevertheless remain applicable to all other Persons and circumstances. If it shall be found that any interest or other amount deemed interest due hereunder violates the applicable law governing usury, the applicable rate of interest due hereunder shall automatically be lowered to equal the maximum rate of interest permitted under applicable law.

(g) Next Business Day. Whenever any payment or other obligation hereunder shall be due on a day other than a Business Day, such payment shall be made on the next succeeding Business Day.

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

(i) Secured Obligation. The obligations of the Company under this Note are secured by certain assets of the Company pursuant to the Amended Security Agreement, dated as of the date of the Exchange Agreement, between the Company and the Secured Parties (as defined therein).

(j) Dispute Resolution. In the case of a dispute as to the determination of the Conversion Price, the Closing Bid Price, the Closing Sale Price or fair market value (as the case may be) or the arithmetic calculation of the Conversion Rate or the applicable Optional Redemption Amount, the Company or the Holder (as the case may be) shall submit the disputed determinations or arithmetic calculations (as the case may be) via facsimile (i) within two (2) Business Days after receipt of the applicable notice giving rise to such dispute to the Company or the Holder (as the case may be) or (ii) if no notice gave rise to such dispute, at any time after the Holder learned of the circumstances giving rise to such dispute (including, without limitation, as to whether any issuance or sale or deemed issuance or sale was an issuance or sale or deemed issuance or sale of Excluded Securities). If the Holder and the Company are unable to agree upon such determination or calculation within two (2) Business Days of such disputed determination or arithmetic calculation (as the case may be) being submitted to the Company or the Holder (as the case may be), then the Company shall, within two (2) Business Days,

submit via facsimile (a) the disputed determination of the Conversion Price, the Closing Bid Price, the Closing Sale Price or fair market value (as the case may be) to an independent, reputable investment bank selected by the Company and approved by the Holder or (b) the disputed arithmetic calculation of the Conversion Rate or the applicable Optional Redemption Amount or to an independent, outside accountant as the Company and Holder mutually agree upon. The Company shall cause at its expense the investment bank or the accountant (as the case may be) to perform the determinations or calculations (as the case may be) and notify the Company and the Holder of the results no later than ten (10) Business Days from the time it receives such disputed determinations or calculations (as the case may be). Such investment bank’s or accountant’s determination or calculation (as the case may be) shall be binding upon all parties absent demonstrable error.

*********************

(Signature Page Follows)

IN WITNESS WHEREOF, the Company has caused this Note to be duly executed by a duly authorized officer as of the date first above indicated.


AUTHENTIDATE HOLDING CORP.

By:
Name:		▇▇▇ ▇. ▇▇▇▇▇▇
Title:		Chief Executive Officer

Facsimile No. for delivery of Notices:

ANNEX A

NOTICE OF CONVERSION

The undersigned hereby elects to convert principal under the 9% Senior Subordinated Secured Convertible Note due December 17, 2016 of Authentidate Holding Corp., a Delaware corporation (the “Company”), into shares of common stock (the “Common Stock”), of the Company according to the conditions hereof, as of the date written below. If shares of Common Stock are to be issued in the name of a person other than the undersigned, the undersigned will pay all transfer taxes payable with respect thereto and is delivering herewith such certificates and opinions as reasonably requested by the Company in accordance therewith. No fee will be charged to the holder for any conversion, except for such transfer taxes, if any.

By the delivery of this Notice of Conversion the undersigned represents and warrants to the Company that its ownership of the Common Stock does not exceed the amounts specified under Section 4 of this Note, as determined in accordance with Section 13(d) of the Exchange Act.

The undersigned agrees to comply with the prospectus delivery requirements under the applicable securities laws in connection with any transfer of the aforesaid shares of Common Stock.

Conversion calculations:


Date to Effect Conversion:

Principal Amount of Note to be Converted:

Number of shares of Common Stock to be issued:

Signature:
Name:

Address for Delivery of Common Stock Certificates:



Or

DWAC Instructions:

Broker No:
Account No:

Schedule 1

CONVERSION SCHEDULE

The 9% Senior Subordinated Secured Convertible Note due on December 17, 2016 in the original principal amount of $950,000.00 is issued by Authentidate Holding Corp. This Conversion Schedule reflects conversions made under Section 4 of the above referenced Note.

Dated:


Date of Conversion (or for first entry, Original Issue Date)	Amount of Conversion	Aggregate Principal Amount Remaining Subsequent to Conversion (or original Principal Amount)	Company Attest






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AUTHENTIDATE HOLDING CORP. 9% SENIOR SUBORDINATED SECURED CONVERTIBLE NOTE

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