Document:

EXHIBIT
A

 

FORM
OF NOTE

 

    	 	 	 

    	 

    

 

THIS
NOTE HAS BEEN ACQUIRED FOR INVESTMENT AND MAY NOT BE OFFERED FOR SALE, HYPOTHECATED, SOLD, OR TRANSFERRED, NOR WILL ANY ASSIGNEE
OR TRANSFEREE HEREOF BE RECOGNIZED BY MAKER HEREOF AS HAVING ANY INTEREST IN THIS NOTE.

 

CONVERTIBLE
SECURED TERM NOTE

 

	$[__________]	[_______],
    2018

 

FOR
VALUE RECEIVED, and intending to be legally bound hereby, BONE BIOLOGICS CORPORATION, a Delaware corporation, with an address
of 2 Burlington Woods Dr., Suite 100, Burlington, MA 01803 (“Maker”), hereby promises to pay to the order of [________________________],
with a mailing address of [________________________] (“Payee”), the principal amount of [_____________ and 00/100
Dollars ($[_________)], with interest thereon from the date hereof at the interest rate or rates stated below, interest and principal
to be paid as set forth below. All payments shall be made by Maker to Payee at the office of Payee indicated above or such other
place as Payee may from time to time specify in writing in lawful currency of the United States of America in immediately available
funds, without counterclaim or setoff and free and clear of, and without any deduction or withholding for, any taxes or other
payments.

 

1.
Definitions.

 

1.1
For purposes of this Note, the following terms shall have the meanings ascribed to them below:

 

“Base
Rate” shall mean a rate of interest per annum equal to the greater of (A) the Prime Rate as in effect from time to time,
plus four percent (4.0%) and (B) eight and one-half percent (8.5%). If and when the Prime Rate changes, the Base Rate may change
automatically without notice to Maker, effective on the date of any such change.

 

“Business
Day” shall mean any day other than a Saturday, Sunday or other day on which commercial banks in the State of New York are
authorized or required by law or other governmental action to be closed.

 

“Change
in Control” shall mean and be deemed to have occurred on the earliest of the following dates or events:

 

	 	(i)	the
    date of acquisition or ownership, directly or indirectly, beneficially or of record, by any Person or group (within the meaning
    of the Securities Exchange Act of 1934, as amended, and the rules and regulations thereunder) of a majority of the issued
    and outstanding common stock of Maker;

 

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	 	(ii)	approval
    by the shareholders of Maker of a plan of merger, consolidation, or reorganization of Maker or sale or other disposition of
    all or substantially all of Maker’s assets involving a more than 50% change in ownership (collectively, a “Business
    Combination”), other than a Business Combination: (1) (a) in which substantially all of the holders of Maker’s
    common stock hold or receive directly or indirectly 50% or more of the voting stock of the resulting entity or a parent company
    thereof, and (b) after which no person or entity owns more than 50% of the voting stock of the resulting entity (or parent
    company thereof) who did not own directly or indirectly at least that amount of common stock of Maker immediately before the
    Business Combination; (2) in which the holders of Maker’s common stock immediately before such Business Combination
    will, immediately after such Business Combination, hold as a group on a fully diluted basis the ability to elect at least
    a majority of the directors of the surviving corporation (or a parent company thereof); or
	 	 	 
	 	(iii)	the
    date the persons who were members of the board of directors of Maker at the beginning of any 12 months period shall
    cease to constitute a majority of such board, unless the election, or the nomination for election by Maker’s shareholders,
    of each new director was approved by two-thirds of the members of such board then in office who were in office at the beginning
    of the 12 months period. For purposes of determining whether a Change in Control has occurred, a transaction includes
    all transactions in a series of related transactions.

 

“Convertible
Notes” shall mean this Note and certain other Notes issued by the Maker on the date of this Note, in substantially similar
form, in the aggregate original principal amount of $2,000,000.

 

“Dollar”
and “$” shall mean lawful money of the United States of America.

 

“GAAP”
shall mean generally accepted accounting principles as adopted by the Financial Accounting Standards Board, consistently applied.

 

“Loan”
shall mean the loan made to Maker by Payee pursuant to this Note in the original principal amount of [_________ and 00/100 Dollars
($__________)].

 

“Loan
Documents” shall mean this Note and all agreements, instruments, documents, exhibits, schedules, amendments, modifications,
supplements, certificates, financing statements, reports, and notices related thereto.

 

“LTV
Ratio” shall mean, as of any date of determination, the ratio of (A) the outstanding principal balance of the Loan, together
with all unpaid interest which shall have accrued thereon, to (B) the Securities Collateral Value.

 

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“Majority
Holders” shall the holders of a majority in interest (by outstanding principal amount) of the Convertible Notes.

 

“Maximum
Ratio” shall mean a ratio equal to 50%.

 

“Prime
Rate” shall mean the “prime rate” as quoted in the “Money Rates” section of The Wall Street Journal
or the highest “prime rate” if more than one is published. The Prime Rate is a reference rate and does not necessarily
represent the lowest or best rate of interest actually charged by Payee to any particular class or category of customers. In the
event The Wall Street Journal no longer publishes such “prime rate”, Payee shall have the right, exercising
reasonable judgment, to substitute a new method for determining a comparable interest rate, and such rate of interest determined
by such method shall constitute the Prime Rate hereunder.

 

“UCC”
shall mean Article 9 of the Uniform Commercial Code, as in effect from time to time in the State of Delaware; provided, however,
that, in the event that, by reason of mandatory provisions of any applicable law, any of the attachment, perfection or priority
Payee’s Security Interest (as defined hereinafter) in any Collateral (as defined hereinafter) is governed by the Uniform
Commercial Code of a jurisdiction other than such state, “UCC” shall mean the Uniform Commercial Code as in effect
in such other jurisdiction for purposes of the provisions hereof relating to such attachment, perfection or priority and for purposes
of the definitions related to or otherwise used in such provisions.

 

“Securities
Collateral” shall mean all shares of common stock of Maker issued in the name of Payee as collateral security for the Secured
Obligations (as defined hereinafter) pursuant to Section 8.3 of this Note.

 

“Securities
Collateral Value” shall mean, as of any date of determination, the market value of the Securities Collateral as determined
by Maker and Payee. If the common stock of Maker is listed on any stock exchange, the market value of the Securities Collateral
as of any date of determination shall be conclusively determined by the weighted average volume daily price for the common stock
of Maker as measured over the course of the sixty (60) day period prior to such date of determination, provided further that prior
to the day upon which the common stock of Maker is listed on any stock exchange the market value of the Securities Collateral
as of any date of determination shall be conclusively determined by using $1.00 as the price for the common stock of Maker.

 

1.2
Unless the context otherwise requires, the following terms have the meanings given to them in the UCC (such meanings to be equally
applicable to both the singular and plural forms of the terms defined): “account”, “accession”, “account
debtor”, “chattel paper”, “commercial tort claim”, “commodity contract”, “deposit
account”, “electronic chattel paper”, “equipment”, “fixture”, “general intangible”,
“goods”, “instruments”, “inventory”, “investment property”, “letter-of-credit
right”, “proceeds”, “record”, “securities account”, “security”, “supporting
obligation” and “tangible chattel paper”.

 

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2.
Interest.

 

2.1
Interest Rate. Principal amounts outstanding under this Note will bear interest at a fluctuating rate per annum equal to
the Base Rate as in effect from time to time. Any change in the Base Rate resulting from a change in the Prime Rate shall be effective
on the date of such change.

 

2.2
Calculation. All computations of interest shall be made on the basis of a three hundred sixty (360) day year and the actual
number of days elapsed.

 

2.3
Usury Limitation. All agreements between Maker and Payee are hereby expressly limited so that in no contingency or event
whatsoever, whether by reason of acceleration of maturity of the indebtedness evidenced hereby or otherwise, shall the amount
paid or agreed to be paid to Payee hereunder, exceed the maximum permissible under applicable law. As used herein, the term “applicable
law” shall mean the law in effect as of the date hereof; provided, however, that in the event there is a change in the law
which results in a higher permissible rate of interest, then this Note shall be governed by such new law as of its effective date.
In this regard, it is expressly agreed that it is the intent of Maker and Payee in the execution, delivery and acceptance of this
Note to contract in strict compliance with the laws of the State of Delaware from time to time in effect. If, under or from any
circumstances whatsoever, fulfillment of any provision hereof or of any of the Loan Documents at the time of performance of such
provision shall be due, shall involve transcending the limit of such validity prescribed by applicable law, then the obligation
to be fulfilled shall automatically be reduced to the limits of such validity; and if, under or from any circumstances whatsoever
Payee should ever receive as interest an amount which would exceed the highest lawful rate, such amount which would be excessive
interest shall be applied to the reduction of the principal balance evidenced hereby and not to the payment of interest. This
provision shall control every other provision of all agreements between Maker and Payee.

 

3.
Payments.

 

3.1
Interest. Interest hereon shall be due and payable in arrears on the first day of each calendar month following the date
hereof. Each monthly installment shall include all then accrued and unpaid interest.

 

3.2
Maturity Date. The entire unpaid principal amount of this Note, together with all accrued and unpaid interest thereon and
all other amounts payable hereunder or under any of the other Loan Documents, shall be due and payable, if not sooner paid, on
December 31, 2019 or an earlier date as a result of a maturity, whether by acceleration or otherwise, pursuant to the terms of
the Loan Documents (the “Maturity Date”).

 

3.3
Voluntary Principal Prepayment. The principal amount of the Loan is prepayable in whole or in part at any time, without
premium or penalty. Principal amounts repaid under this Note may not be re-borrowed. Upon any voluntary partial prepayment of
principal outstanding under this Note, Payee shall return Securities Collateral to Maker in the amount necessary, if any, to cause
the LTV Ratio as of the date of such prepayment to be not less than the Maximum Ratio. Upon Maker’s receipt of any such
returned Securities Collateral, Maker shall cause all such Securities Collateral to be cancelled. Upon a full payment of the principal
outstanding under this Note, Payee shall return all Securities Collateral to Maker, and Maker shall cause all returned Securities
Collateral to be cancelled.

 

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3.4
Mandatory Principal Prepayment. Upon the occurrence of any Change in Control, all outstanding principal and accrued but
unpaid interest under this Note shall be due and payable and, at the election of Payee, shall be (i) paid in cash by the Maker,
or (ii) converted into shares of the common stock of Maker at a price per share equal to One Dollar ($1.00) (the “Conversion
Price”).

 

3.5
Conversion. Prior to the Maturity Date, Payee shall have
the option to convert all or a portion of the outstanding principal under this Note into common stock of Maker (each a “Conversion”)
at the Conversion Price. The Conversion Price and the number of shares issuable upon a Conversion shall be subject to appropriate
adjustment for stock splits, stock dividends, recapitalizations and etc. Upon Payee’s election to make a Conversion, Payee
shall credit the principal amount of the Note which is converted against the outstanding principal balance of the Loan dollar-for-dollar.
Upon any Conversion, Payee shall return Securities Collateral to Maker in the amount necessary, if any, to cause the LTV Ratio
as of the date of such Conversion to be not less than the Maximum Ratio. Upon Maker’s receipt of any such returned Securities
Collateral, Maker shall cause all such Securities Collateral to be cancelled. Maker and Payee acknowledge and agree that any reduction
of the outstanding principal under this Note pursuant to any Conversion shall be a dollar-for-dollar repayment of such principal
indebtedness for value given and shall not be a cancellation, forgiveness, or other termination of such principal indebtedness,
in whole or in part.

 

4.
Repayment Terms; Late Fees.

 

4.1
Payments Due Other Than on a Business Day. If this Note or any payment hereunder becomes due on a day which is not a Business
Day, the due date of this Note or payment shall be extended to the next succeeding Business Day, and such extension of time shall
be included in computing interest and fees in connection with such payment.

 

4.2
Application of Payments. Any payments received by Payee before 5:00 p.m. (Eastern Time) on any Business Day will be deemed
received by Payee on that Business Day. Any payments received by Payee after 5:00 p.m. (Eastern Time) on any Business Day will
be deemed received by Payee on the next Business Day. If Payee accepts a payment in any form other than immediately available
funds, that payment will not be deemed to have been made until the funds comprising the payment have actually been received by
or made available to Payee. Except as otherwise provided herein, all payments shall be applied first to accrued interest, fees,
expenses and other amounts due to Payee (excluding principal) as Payee determines in its sole discretion, and the balance on account
of outstanding principal; provided, however, that after an Event of Default hereunder, payments will be applied to the obligations
of Maker to Payee in any order as Payee determines in its sole discretion.

 

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5.
Representations and Warranties. Maker represents and warrants to Payee that as long as there is any outstanding amount
due under this Note or any other Loan Document (all of which shall survive the making of this Note and shall be continuing):

 

5.1
Organization and Authority; Valid and Binding Agreements. Maker is duly organized, validly existing and in good standing
under the laws of, and is fully qualified and authorized to do business in, the state of its organization and is in good standing,
and is fully qualified and authorized to do business in, all other jurisdictions where that authorization or qualification is
required. Maker has full power and authority to engage in all of the transactions contemplated by the Loan Documents and has full
power, authority and legal right to execute and deliver, and to comply with its obligations under the Loan Documents, which documents
constitute the legally binding obligations of Maker enforceable against Maker in accordance with their respective terms. Maker
has taken all necessary action to duly authorize the execution, delivery and performance of the Loan Documents.

 

5.2
No Conflict. Neither the execution nor delivery of the Loan Documents or any security or collateral relating thereto will
conflict with or result in a breach of any of the provisions of the organizational documents of Maker, or of any applicable law,
judgment, order, writ, injunction, decree, rule or regulation of any court, administrative agency or other governmental authority,
or of any agreement or other instrument to which Maker is a party or by which Maker is bound, or constitute a default under any
of the foregoing.

 

5.3
No Consents. No consent, approval or other authorization of or by any court, administrative agency or other governmental
authority or any other person is required in connection with the execution or delivery by Maker of the Loan Documents or compliance
by Maker with the provisions thereof.

 

5.4
Collateral. Maker has good and marketable title to, and is the owners of, all collateral given as security to Payee, and
all of such collateral is free and clear of pledges, liens, security interests and other encumbrances, other than those in favor
of Payee or expressly permitted under the Loan Documents.

 

5.5
Pending Actions. There is no suit, action or proceeding pending or threatened against or affecting Maker or any collateral
given as security to Payee before or by any court, administrative agency or other governmental authority which brings into question
the validity of the transactions contemplated by the Loan Documents or would interfere with the ability of Maker to comply with
the terms thereof.

 

5.6
Prohibited Persons. Maker is not, and will not be, a person (A) that is listed in the Annex to, or is otherwise subject
to the provisions of, Executive Order 13224 issued on September 24, 2001 (“EO13224”), (B) whose name appears on the
United States Treasury Department’s Office of Foreign Assets Control (“OFAC”) most current list of “Specifically
Designated National and Blocked Persons,” (C) who commits, threatens to commit or supports “terrorism,” as defined
in EO13224, or (D) who is otherwise affiliated with any entity or person listed above (any and all parties or persons described
in clauses (A) – (B) above are herein referred to as a “Prohibited Person”).

 

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5.7
Solvency. Maker is not insolvent as defined in any applicable state or federal statute, and Maker will not be rendered
insolvent by the execution and delivery of the Loan Documents or completion of the transactions contemplated hereby or thereby
(including, without limitation, the Loan). After the making of the Loan, Maker reasonably expects to (A) be able to pay its debts
as they become due, (B) have funds and capital sufficient to carry on its business and all businesses in which it is about to
engage, and (C) own property having a value at both fair valuation and at fair salable value in the ordinary course of business
greater than the amount required to pay its debts as they become due. Maker is not entering into any Loan Document with any intent
to hinder, delay, or defraud its current or future creditors.

 

5.8.
Governmental Approvals. Maker has all requisite governmental licenses, authorizations, consents and approvals to transact
the business in which it is engaged.

 

6.
Affirmative Covenants. Maker covenants and agrees that, unless the Majority Holders otherwise consent in writing:

 

6.1
Use of Proceeds. Maker shall use all proceeds of the Loan for working capital and general corporate purposes.

 

6.2
Accounting and Taxes. Maker shall maintain a system of accounting and reserves in accordance with GAAP, has filed and shall
file each tax return required of it, and has paid and shall pay when due, unless disputed in good faith by Maker, each tax, assessment,
fee, charge, fine and penalty imposed by any taxing authority upon it or any of its assets, income or franchises, as well as all
amounts owed to mechanics, materialmen, landlords, suppliers and the like in the normal course of business.

 

6.3
Prohibited Persons. Maker shall not knowingly (A) conduct any business, nor engage in any transaction or dealing, with
any Prohibited Person, including, but not limited to, the making or receiving of any contribution of funds, goods or services
to or for the benefit of a Prohibited Person, or (B) engage in or conspire to engage in any transaction that evades or avoids,
or has the purpose of evading or avoiding, or attempts to violate, any of the prohibitions set forth in EO13224.

 

6.4
Anti-Terrorism Compliance. Maker shall not use of the proceeds of the Loan in any manner that would violate (A) any regulations
promulgated or administered by the Office of Foreign Assets Control, United States Department of the Treasury, including without
limitation, the Foreign Assets Control Regulations, the Transaction Control Regulations, the Cuban Assets Control Regulations,
the Foreign Funds Control Regulations, the Iranian Assets Control Regulations, the Nicaraguan Trade Control Regulations, the South
African Transaction Regulations, the Iranian Transactions Regulations, the Iraqi Sanctions Regulations, the Soviet Gold Coin Regulations,
the Panamanian Transaction Regulations or the Libyan Sanctions Regulations of the United States Treasury Department, 31 C.F.R.,
Subtitle B, Chapter V, as amended, (B) the Trading with the Enemy Act, as amended, (C) Executive Orders 8389, 9095, 9193, 12543
(Libya), 12544 (Libya), 12722 or 12724 (Iraq), 12775 or 12779 (Haiti), or 12959 (Iran), as amended, of the President of the United
States or (D) any rule, regulation or executive order issued or promulgated pursuant to the laws or regulations described in the
foregoing clauses (A)-(C).

 

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7.
Negative Covenants. Unless the Majority Holders otherwise consent in writing, Maker covenants and agrees that Maker shall
not:

 

7.1
Changes in Form. (A) Transfer or dispose of all or substantially all of its property or assets, liquidate, windup or dissolve;
(B) acquire all or substantially all of the property or assets of, or the equity interests in, any other person; (C) do business
under or otherwise use any name other than its true name; (D) make any material change in its business, structure, purposes or
operations that might have a material adverse effect on Maker; (E) participate in any merger, consolidation, share exchange, division,
conversion, reclassification or other absorption or reorganization; (F) make, terminate or permit to be revoked any election pursuant
to Subchapter S of the Internal Revenue Code; (G) purchase, redeem, acquire, cancel or retire any equity interest in Maker, except
as permitted by Section 3.3 hereof in connection with a voluntary prepayment of principal outstanding under this Note or Section
3.5 hereof in connection with a Conversion; (H) create or acquire any subsidiary; (I) change its legal form; (J) change its jurisdiction
of organization or become (or attempt or purport to become) organized in more than one jurisdiction; (K) amend, modify or supplement
its organizational or governing documents; or (L) issue, transfer, sell or otherwise dispose of any equity interest in Maker,
except to Payee.

 

7.2
Liens. Create, incur, assume, permit or suffer to exist any pledges, liens, security interests and other encumbrances of
its property or assets, whether now owned or hereafter owned or acquired, except for those (A) in favor of Payee; (B) securing
taxes, assessments or governmental charges or levies not delinquent or disputed in good faith by Maker; (C) incurred in the ordinary
course of business in connection with workers’ compensation, unemployment insurance, social security and other like laws;
and (D) existing on the date of this Note and shown on Schedule “8.2(D)” attached hereto and made part hereof.

 

7.3
Indebtedness, Investments, Loans, and Guaranties. (A) Create, incur, assume, permit or suffer to exist any indebtedness,
except (i) indebtedness to Payee; (ii) open account trade debt incurred in the ordinary course of business either not more than
ninety (90) days past due or disputed in good faith; or (iii) indebtedness existing on the date of this Note and shown on Schedule
“8.3(A)(iii)” attached hereto and made part hereof; (B) create, incur, assume, permit or suffer to exist any investment,
other than (i) investments in FDIC insured deposits or United States Treasury obligations of less than one year or in money market
or mutual funds administering such investments; or (ii) investments existing on the date of this Note and shown on Schedule “8.3(B)(ii)”
attached hereto and made part hereof; (C) create, make, assume, permit or suffer to exist any loan, advance or other extension
of credit, except for (i) endorsements of instruments for the payment of money deposited to its deposit accounts for collection
in the ordinary course of business; or (ii) loans, advances or other extensions of credit existing on the date of this Note and
shown on Schedule “8.3(C)(ii)” attached hereto and made part hereof; or (D) become a guarantor, a surety or otherwise
liable for the debts or other obligations of another, whether by guaranty or suretyship agreement, agreement to purchase indebtedness,
agreement for furnishing funds through the purchase of goods, supplies or services (or by way of stock purchase, capital contribution,
advance or loan) for the purpose of paying or discharging indebtedness, or otherwise, except as (i) an endorser of instruments
for the payment of money deposited to its deposit accounts for collection in the ordinary course of business; or (ii) existing
on the date of this Note and shown on Schedule “8.3(C)(ii)” attached hereto and made part hereof.

 

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8.
Security Agreement.

 

8.1
Security Interest. Maker hereby grants to Payee a continuing security interest (the “Security Interest”) in
all personal property and assets of Maker, including the following property and assets, whether now owned or at any time hereafter
acquired by Maker or in which Maker now has or at any time in the future may acquire any right, title or interest, wherever located,
and whether now existing or hereafter acquired or created (collectively referred to as the “Collateral”):

 

A.
all accounts, chattel paper, deposit accounts, cash, cash equivalents, documents (as defined in the UCC), receivables, equipment,
general intangibles, instruments, inventory, investment property, and letter of credit rights;

 

B.
all property and assets of Maker held by Payee, including all property and assets of every description, in the custody of or in
transit to Payee for any purpose, including safekeeping, collection or pledge, for the account of Maker or as to which Maker may
have any right or power, including but not limited to cash;

 

C.
all other goods (including but not limited to fixtures) and personal property and assets of Maker, whether tangible or intangible;

 

D.
all supporting obligations thereof and all increases or profits received therefrom, all software, books and records related thereto,
and all parts, accessories, special tools, attachments, additions, accessions, replacements and substitutions thereto or therefor;

 

E.
all Securities Collateral;

 

F.
all License Agreements (as hereinafter defined); and

 

G.
all cash and non-cash proceeds of any of the foregoing in any form.

 

8.2
Obligations Secured. The Security Interest granted by Maker secures the full payment and performance of all obligations
of Maker to Payee under this Note and the other Loan Documents (collectively, the “Secured Obligations”).

 

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8.3
Securities Collateral and LTV Ratio. As collateral security for the Secured Obligations, Maker shall issue shares of common
stock of Maker in the name of Payee in the amount necessary to cause the LTV Ratio as of the date of this Note to be equal to
the Maximum Ratio. Such shares of common stock of Maker shall contain restrictive legends. The LTV Ratio shall be examined on
an annual basis on _______ 1 (the “Reconciliation Day) and if the LTV Ratio
as of the end of the Reconciliation Day exceeds the Maximum Ratio, Payee may provide written notice of the same to Maker. Upon
receipt of any such written notice, Maker shall, at its option and election, either (A) voluntarily prepay principal outstanding
under this Note in the amount necessary to cause the LTV Ratio as of the end of the noticed Reconciliation Day, after giving effect
to such payment, to no longer exceed the Maximum Ratio; or (B) issue additional shares of common stock of Maker in the name of
Payee and with restrictive legends in the amount necessary to cause the LTV Ratio, as of the end of the noticed Reconciliation
Day, after giving effect to such issuance, to no longer exceed the Maximum Ratio. The Maker shall seek to register the Securities
Collateral initially delivered on the date of this Note pursuant to the Registration Rights Agreement between the Payee and the
Maker dated the date hereof. Upon the effectiveness of such Registration Statement, the Maker will remove the restrictive legends
from the Securities Collateral so long as the Payee agrees in any event not to sell any Securities Collateral if Payee is notified
that the Registration Statement is no longer effective. Payee may hold the Securities Collateral in any brokerage account of Payee’s
choosing, in the name of Payee. Payee shall not transfer, sell or otherwise dispose of any Securities Collateral, except during
the existence of an Event of Default in connection with the exercise of its rights and remedies as a secured lender.

 

8.4
Assignment of License Agreements. As collateral security for the Secured Obligations, Maker hereby assigns, transfers and
pledges to Payee all of Maker’s right, title and interest in, to and under all licenses in favor of Maker, whether now existing
or hereafter arising, as the same may be amended, supplemented, restated, extended, replaced, supplemented or otherwise modified
from time to time, together with all cash and non-cash proceeds of any of the foregoing and all claims of Maker with respect thereto
and together with all right, title and interest of Maker in and to any and all extensions and renewals of any of the foregoing
(collectively, the “License Agreements”). Until Maker has received written notice from Payee that an Event of Default
has occurred and is continuing and, by reason thereof, Payee has declared the entire unpaid principal amount hereof and all interest
accrued hereon, and all other sums owed under, or secured by, the Loan Documents, to be due and payable, Maker shall have the
exclusive right to exercise all rights in, to and under the License Agreements, and Payee shall not have any right to exercise
such rights hereunder. Upon Maker receipt of such written notice and during its continuance, Payee shall be entitled, at Payee’s
option and election, to exercise all rights in, to and under any or all of the License Agreements, whether or not Payee shall
take possession of any part of the License Agreements. The foregoing assignment shall be fully operative without any further action
on the part of either party.

 

8.5
Authorization. Payee is hereby authorized to file financing statements and amendments to financing statements without Maker’s
signature, in accordance with the UCC. Maker hereby authorizes Payee to file all such financing statements and amendments to financing
statements describing the Collateral in any filing office as Payee, in its sole discretion may determine, including financing
statements listing “All Assets” in the collateral description therein. Maker agrees to comply with the requests of
Payee in order for Payee to have and maintain a valid and perfected first priority security interest in the Collateral including,
without limitation, executing and causing any other person to execute such documents as Lender may require to obtain control (as
defined in the UCC) over all deposit accounts, letter of credit rights and investment property.

 

1    To
be the date upon which the transaction closes.

 

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8.6
Further Assurances. Maker shall do anything further that may be reasonably required by Payee to secure Payee and effectuate
the intentions and objects of this Section 8. At Payee’s reasonable request, Maker shall immediately deliver all necessary
documents or forms to reflect, implement or enforce the Security Interest described herein or cause to be delivered to Payee all
items for which Payee must receive possession to obtain a perfected security interest.

 

9.
Events of Default. Each of the following shall constitute an event of default hereunder (an “Event of Default”):
(A) the nonpayment of any principal, interest or other indebtedness under this Note or any other Loan Document when due, which
nonpayment is not cured within five (5) Business Days; (B) Maker’s failure to observe or perform any other covenant or agreement
contained in this Note or any other Loan Document, which failure is not cured within fifteen (15) Business Days of Maker’s
receipt of written notice of the same from Payee; (C) the occurrence of an Event of Default or any default and the lapse of any
applicable notice or cure period under any other Loan Document between Maker and Payee; (D) the filing by or against Maker of
any proceeding in bankruptcy, receivership, insolvency, reorganization, liquidation, conservatorship or similar proceeding (and,
in the case of any such proceeding instituted against Maker, such proceeding is not dismissed or stayed within thirty (30) days
of the commencement thereof); (E) any assignment by Maker for the benefit of creditors, or any levy, garnishment, attachment or
similar proceeding is instituted against any property of Maker held by or deposited with Payee (and, in the case of any such proceeding
instituted against Maker, such proceeding is not dismissed or stayed within thirty (30) days of the commencement thereof); (F)
a default with respect to any other material indebtedness of Maker for borrowed money, if the effect of such default is to cause
or permit the acceleration of such debt; (G) the commencement of any foreclosure or forfeiture proceeding, execution or attachment
against any material Collateral securing the Secured Obligations; (H) the entry of a material judgment against Maker and the failure
of Maker to discharge the judgment within thirty (30) days of the entry thereof; and (I) any representation or warranty made by
Maker to Payee in any Loan Document, or any other documents now or in the future securing the obligations of Maker to Payee, is
false, erroneous or misleading in any material respect.

 

10.
Remedies. Upon the occurrence and during the continuance of an Event of Default, without demand of performance or other
demand, presentment, protest, advertisement or notice of any kind (except any notice required in the Loan Documents or by law)
to or upon Maker or any other person (all and each of which demands, presentments, protests, advertisements and notices are hereby
waived), Payee may exercise any right, power or remedy permitted by law or as set forth herein or in any of the other Loan Documents
and, without limiting the generality of the foregoing, Payee shall thereupon have the right at its option to declare the entire
unpaid principal amount hereof and all interest accrued hereon, and all other sums owed under, or secured by, the Loan Documents
to be, and such principal, interest and other sums shall thereupon become, forthwith due and payable. The failure by Payee to
exercise the acceleration option shall not constitute a waiver of its right to exercise the acceleration option at any other time
so long as that Event of Default remains outstanding and uncured or to exercise it upon the occurrence of another Event of Default.
The entire unpaid principal amount hereof and all interest accrued hereon, and all other sums owed under, or secured by, the Loan
Documents shall be due and payable automatically upon the occurrence of an Event of Default under Section 9(D) or (E) above.

 

    	 	 -12-	 

    	 

    

 

11.
Right of Setoff. Maker hereby grants to Payee, a continuing lien, security interest and right of setoff as security for
all liabilities and obligations to Payee, whether now existing or hereafter arising, upon and against all deposits, credits, collateral
and property, now or hereafter in the possession, custody, safekeeping or control of Payee. Upon the occurrence and during the
continuance of an Event of Default, and upon prior written notice to Maker, Payee may set off the same or any part thereof and
apply the same to any liability or obligation of Maker even though unmatured and regardless of the adequacy of any other collateral
securing the Loan. MAKER HEREBY KNOWINGLY, VOLUNTARILY AND IRREVOCABLY WAIVES ANY AND ALL RIGHTS IT MAY HAVE TO REQUIRE PAYEE
TO EXERCISE ITS RIGHTS OR REMEDIES WITH RESPECT TO ANY OTHER COLLATERAL WHICH SECURES THE LOAN, PRIOR TO EXERCISING ITS RIGHT
OF SETOFF WITH RESPECT TO SUCH DEPOSITS, CREDITS, COLLATERAL OR OTHER PROPERTY OF MAKER.

 

12.
Rights Cumulative. The rights and remedies of Payee as provided herein and in any other Loan Document shall be cumulative
and concurrent, and may be pursued singly, successively or together against Maker or any collateral, at the sole discretion of
Payee; and the failure to exercise any such right or remedy shall in no event be construed as a waiver or release of the same.
Payee shall not by any act of omission or commission be deemed to waive any of its rights or remedies under this Note unless such
waiver is in writing and signed by Payee, and then only to the extent specifically set forth therein; and a waiver of one event
shall not be construed as continuing or as a bar to or waiver of such right or remedy upon a subsequent event. Payee shall not
be required to marshal any present or future security for, or guarantees of, the Loan or to resort to any such security or guarantee
in any particular order and Maker waives, to the fullest extent that it lawfully can, (A) any right it might have to require Payee
to pursue any particular remedy before proceeding against Maker and (B) any right to the benefit of, or to direct the application
of the proceeds of any collateral until the Loan is repaid in full.

 

13.
Jury Trial Waiver. MAKER AND PAYEE MUTUALLY HEREBY KNOWINGLY, VOLUNTARILY AND INTENTIONALLY WAIVE THE RIGHT TO A TRIAL
BY JURY IN RESPECT OF ANY CLAIM BASED HEREON, ARISING OUT OF, UNDER OR IN CONNECTION WITH THIS NOTE OR ANY OTHER LOAN DOCUMENTS
CONTEMPLATED TO BE EXECUTED IN CONNECTION HEREWITH OR ANY COURSE OF CONDUCT, COURSE OF DEALINGS, STATEMENTS (WHETHER VERBAL OR
WRITTEN) OR ACTIONS OF ANY PARTY, INCLUDING, WITHOUT LIMITATION, ANY COURSE OF CONDUCT, COURSE OF DEALINGS, STATEMENTS OR ACTIONS
OF PAYEE RELATING TO THE ADMINISTRATION OF THE LOAN OR ENFORCEMENT OF THE LOAN DOCUMENTS, AND AGREE THAT NEITHER PARTY WILL SEEK
TO CONSOLIDATE ANY SUCH ACTION WITH ANY OTHER ACTION IN WHICH A JURY TRIAL CANNOT BE OR HAS NOT BEEN WAIVED. MAKER CERTIFIES THAT
NO REPRESENTATIVE, AGENT OR ATTORNEY OF PAYEE HAS REPRESENTED, EXPRESSLY OR OTHERWISE, THAT PAYEE WOULD NOT, IN THE EVENT OF LITIGATION,
SEEK TO ENFORCE THE FOREGOING WAIVER. THIS WAIVER CONSTITUTES A MATERIAL INDUCEMENT FOR PAYEE TO ACCEPT THIS NOTE AND MAKE THE
LOAN.

 

    	 	 -13-	 

    	 

    

 

14.
Payment of Fees and Expenses. Maker shall pay on demand all reasonable and documented expenses of Payee in connection with
the default, collection, waiver or amendment of loan terms, or in connection with Payee’s exercise, preservation or enforcement
of any of its rights, remedies or options hereunder, including, without limitation, fees of outside legal counsel or the allocated
costs of in-house legal counsel, accounting, consulting, brokerage or other similar professional fees or expenses, and the amount
of all such expenses shall, until paid, bear interest at the rate applicable to principal hereunder (including the Default Rate),
and shall be secured by the Collateral and the other Loan Documents.

 

15.
Construction of Terms; Headings. The word “Maker” whenever used herein is intended to and shall be construed
to mean each of the persons or entities who have executed this Note and their respective heirs, legal representatives, successors
and assigns, and the liability of each person or entity named as Maker shall be joint and several. The word “Payee”
whenever used herein is intended to and shall be construed to mean Payee. Whenever used, the singular shall include the plural,
the plural the singular, and the use of any gender shall be applicable to all genders. The headings preceding the text of the
paragraphs hereof are inserted solely for convenience of reference and shall not constitute a part of this Note nor shall they
affect its meaning, construction or effect.

 

16.
Integration Clause. This Note and the other Loan Documents are intended by the parties as the final, complete and exclusive
statement of the transactions evidenced by this Note and the other Loan Documents. All prior or contemporaneous promises, agreements
and understandings, whether oral or written, are deemed to be superseded by this Note and the other Loan Documents, and no party
is relying on any promise, agreement or understanding not set forth in this Note and the other Loan Documents. This Note and the
other Loan Documents shall be construed as one agreement and shall be interpreted as complementary to each other; provided, that
in the event of any inconsistency, the provisions of this Note shall supersede and control the provisions of the other Loan Documents.
This Note may not be amended or modified except by a written instrument describing such amendment or modification executed by
Maker and Payee.

 

17.
Affidavit of Business Purpose; Use of Proceeds (Regulation U). Maker hereby acknowledges and certifies that the proceeds
of the Loan will be used solely for business purposes. Maker agrees not to use any proceeds of the Loan for any manner or for
any purpose other than the business purposes for which the Loan has been obtained. No portion of the proceeds of the Loan shall
be used, in whole or in part, for the purpose of purchasing or carrying any “margin stock” as such term is defined
in Regulation U of the Board of Governors of the Federal Reserve System.

 

18.
Replacement of Promissory Note. Upon receipt of an affidavit of an officer of Payee as to the loss, theft, destruction
or mutilation of this Note or any other security document, Maker will issue in lieu thereof, a replacement note or other security
document in the same principal amount thereof and otherwise of like tenor.

 

    	 	 -14-	 

    	 

    

 

19.
Choice of Law and Jurisdiction. This Note and the rights and obligations of the parties hereunder shall be construed and
interpreted in accordance with the laws of the State of Delaware (without regard to the principles of conflicts or choice of law).
Maker hereby irrevocably consents to the jurisdiction of any state or federal court in Los Angeles County in the State
of California in any action arising out of this Note or in connection with the rights or obligations of the parties hereunder,
and Maker irrevocably waives any objection based on the assertion that such court is an inconvenient forum. No provision hereof
shall prevent Payee from bringing any action, enforcing any award or judgment or exercising any rights against Maker or against
any property or asset of Maker in any other county, state or other foreign or domestic jurisdiction.

 

20.
Notices. All notices and other communications under this Note shall be in writing and shall be sent to the party to receive
such notice at its address set forth in the heading of this Note, or to such other address as either party may designate from
time to time by notice to the other in the manner set forth herein. A notice shall, for all purposes, be deemed given and received:
(A) if hand delivered to a party against receipted copy, when the copy of the notice is receipted; (B) if given by a nationally
recognized and reputable overnight delivery service company, the day on which the notice is delivered by the delivery service
company to such party; or (C) if given by certified mail, two (2) Business Days after it is posted with the United States Postal
Service.

 

21.
No Partnership. Nothing contained in this Note shall be construed in a manner to create any relationship between Maker
and Payee other than the relationship of borrower and lender, and Maker and Payee shall not be considered partners or co-venturers
for any purpose on account of this Note.

 

22.
Severability. If any provision of this Note or the application thereof is held by a court of competent jurisdiction to
be invalid or unenforceable, the remaining provisions hereof shall not be affected thereby, and each provision of this Note shall
be valid and enforceable to the fullest extent permitted by law.

 

23.
No Third Party Beneficiaries. No part of the Loan will at any time be subject or liable to attachment or levy at the suit
of any creditor of Maker or of any other interested party. This Note is solely for the benefit of Maker and Payee and no third
parties shall have any right herein or hereunder.

 

24.
Notes Pari Passu. Each of the Convertible Notes shall rank equally without preference or priority of any kind over one
another, and all payments and recoveries payable on account of principal and interest on the Convertible Notes shall be paid and
applied ratably and proportionately on all outstanding Notes on the basis of their original principal amount.

 

24.
Patriot Act Notification. Payee hereby notifies Maker that, pursuant to the requirements of the USA PATRIOT Act, Title
III of Pub. L. 107-56, signed into law October 26, 2001, as amended, modified, codified or reenacted, in whole or in part, and
in effect from time to time (the “Patriot Act”), and Payee’s policies and practices, Payee is required to obtain,
verify and record information that identifies Maker, which information includes the name and address of Maker and other information
that will allow Payee to identify Maker in accordance with the Patriot Act.

 

[SIGNATURE
PAGES FOLLOW]

 

    	 	 -15-	 

    	 

    

 

WITNESS
the due execution hereof as a document under seal, as of the date first written above, with the intent to be legally bound hereby.

 

	WITNESS
    / ATTEST:	 	BONE
    BIOLOGICS CORPORATION
	 		 	 	
	By:
    	 	 	By:	 
	 	 	 	 	 
	Print
    Name: 	 	 	Print
    Name:	 
	 	 	 	 	 
	Title:
    	 	 	Title:	 
	(Include
    title only if an officer of entity signing to the right)	    

 

	ACCEPTED
    AND AGREED TO BY:	 	 	 
	 	 	 	 	 
	WITNESS
    / ATTEST:	 	[_________________]
	 	 	 	 	 
	By:
    	 	 	By:	 
	 	 	 	 	                    
	Print
    Name: 	 	 	Print
    Name:	 
	 	 	 	 	 
	Title:
    	 	 	Title:	 

 

    	-16-

     

    

 

Schedules

 

Schedule
8.2(D)

Existing
Liens

  

 

    	 

    	 

    

 

 

    	 

    	 

    

 

 

    	 

    	 

    

 

 

    	 	 	 

    	 

    

 

Schedule
8.3(A)

Existing
Indebtedness

 

 

8.3(A)iii
– Debt Schedule

 

	Note Type	 	Issue Date	 	 	Maturity Date	 	 	Interest Rate	 	 	May 31, 2018	 
	 	 	 	 	 	 	 	 	 	 	 	 	 
	First Secured Convertible Note	 	 	10/24/14 	 	 	 	12/31/19 	 	 	 	8.75	%	 	$	5,000,000	 
	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 
	Second Secured Convertible Note	 	 	5/4/15 	 	 	 	12/31/19 	 	 	 	8.75	%	 	 	2,000,000	 
	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 
	Third Secured Convertible Note	 	 	2/24/16 	 	 	 	2/23/19 	 	 	 	8.75	%	 	 	2,000,000	 
	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 
	Convertible Note	 	 	5/14/18 	 	 	 	12/31/18 	 	 	 	8.75	%	 	 	600,000	 
	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	9,060,000	 

 

    	 	 	 

    	 

    

 

Schedule
8.3(B)

Existing
Investments

 

 

8.3(B)ii
– Investments Existing

 

None

 

    	 	 	 

    	 

    

 

Schedule
8.3(C)(ii)

Existing
Loans and Advances

 

 

8.3(C)ii
– Loans, Advances or Other Extensions of Credit

 

	Note Type	 	Issue Date	 	 	Maturity Date	 	 	Interest Rate	 	 	May 31, 2018	 
	 	 	 	 	 	 	 	 	 	 	 	 	 
	First Secured Convertible Note	 	 	10/24/14 	 	 	 	12/31/19 	 	 	 	8.75	%	 	$	5,000,000	 
	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 
	Second Secured Convertible Note	 	 	5/4/15 	 	 	 	12/31/19 	 	 	 	8.75	%	 	 	2,000,000	 
	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 
	Third Secured Convertible Note	 	 	2/24/16 	 	 	 	2/23/19 	 	 	 	8.75	%	 	 	2,000,000	 
	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 
	Convertible Note	 	 	5/14/18	 	 	 	12/31/18 	 	 	 	8.75	%	 	 	600,000	 
	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	9,060,000	 

 

    	 	 	 

    	 

    

 

EXHIBIT
B

 

CONFIDENTIAL
PURCHASER QUESTIONNAIRE

 

	PART
    I:	INFORMATION
    TO BE PROVIDED BY ALL INVESTORS.

 

	A.	Name
    of Purchaser: _____________________________________________________
	 	 
	B.	Accreditation.
    Check all boxes which correctly describe you:
	 	 
	[  ]	You
    are a natural person whose individual net worth, or joint net worth with your spouse, at the time of purchase, exceeds $1,000,000.
    For the purposes of calculating net worth under this paragraph:

 

	 	●	your
    primary residence cannot be included as an asset;
	 	 	 
	 	●	indebtedness
    that is secured by your primary residence, up to the estimated fair market value of the primary residence at the time of the
    sale of securities, is not included as a liability except that if the amount of such indebtedness outstanding at the
    time of the sale of securities exceeds the amount outstanding 60 days before such time, other than as a result of the acquisition
    of the primary residence, the amount of such excess is included as a liability; and
	 	 	 
	 	●	indebtedness
    that is secured by your primary residence in excess of the estimated fair value of the primary residence at the time of the
    sale of securities is included as a liability.

 

	[  ]	You
    are a natural person who had an individual income in excess of $200,000 in each of the two most recent years or a joint income
    with your spouse in excess of $300,000 in each of those years and have a reasonable expectation of reaching the same income
    level during the current year.
	 	 
	[  ]	You
    are a director of the Company.
	 	 
	[  ]	You
    have total assets in excess of $5,000,000 and were not formed for the specific purpose of acquiring the securities offered
    by the Company and are any of the following: a corporation, a partnership, a Massachusetts or similar business trust, or an
    organization described in Section 501(c)(3) of the Internal Revenue Code.
	 	 
	[  ]	You
    are a bank or savings and loan association or other institution acting in your individual or fiduciary capacity.
	 	 
	[  ]	You
    are a broker or dealer registered pursuant to Section 15 of the Securities Exchange Act of 1934.
	 	 
	[  ]	You
    are an insurance company.

 

    	 	 	 

    	 

    

 

	[  ]	You
    are an investment company or business development company under the Investment Company Act of 1940.
	 	 
	[  ]	You
    are a private business development company under the Investment Advisers Act of 1940.
	 	 
	[  ]	You
    are a Small Business Investment Company licensed by the U.S. Small Business Administration under 301(c) or (d) of the Small
    Business Investment Act of 1958.
	 	 
	[  ]	You
    are a trust, not formed for the specific purpose of acquiring the Shares offered by the Company, with total assets in excess
    of $5,000,000 and whose purchase is directed by a sophisticated person.
	 	 
	[  ]	You
    are an employee benefit plan whose investment decision is being made by a plan fiduciary, which is either a bank, savings
    and loan association, insurance company or registered investment adviser, or an employee benefit plan whose total assets are
    in excess of $5,000,000 or a self-directed employee benefit plan whose investment decisions are made solely by persons that
    are “accredited investors” (i.e., they meet any of the standards listed above).
	 	 
	[  ]	You
    are an entity as to which all of the equity owners (or, in the case of a trust, all of the income beneficiaries) are “accredited
    investors” (i.e., they must meet one or more of the standards listed above).
	 	 
	[  ]	None
    of the above.
	 	 
	C.	Provide
    Answers to the Following Questions:
	 	 
	1.	Are
    you directly or indirectly an affiliate or associate of any member firm of the Financial Industry Regulatory
    Authority, Inc. (“FINRA”)?

 

	 	[  ]	Yes	 	[  ]	No

 

	 	An
    “affiliate” of a specified person is a person that directly or indirectly through one or more intermediaries,
    controls or is controlled by, or is under common control with the specified person.
	 	 
	 	The
    term “associate” means (1) any corporation or organization (other than the Company or any subsidiary) or which
    you are an officer or partner, or of which you are, directly or indirectly, the owner beneficially of 10% or more of any class
    or equity securities, (2) any trust or other estate in which you have a substantial beneficial interest or as to which you
    serve as trustee or in a similar fiduciary capacity, or (3) any relative or spouse, who has the same home as such person or
    who is a director or officer of the Company of any of its subsidiaries.

 

    	 	 	 

    	 

    

 

	 	If
    yes, please describe your affiliation or association:
	 	 
	2.	Have
    you made any subordinated loans to any member of FINRA?

 

	 	[  ]	Yes	 	[  ]	No

 

	 	If
    yes, please set forth the details of the loan(s) including the original amount(s), date(s), interest rate(s), other material
    terms, and amount(s) outstanding as of the date hereof:
	 	______________________________________________________________________
	 	 
	3.	Are
    you subject to any “Bad Actor” disqualifications described in Rule 506(d)(1)(i) to (viii) under the Securities
    Act (a “Disqualifying Event”)? For the purposes of this question, if you are not a natural person(s) and the subscription
    is being made by a corporation, partnership, or limited liability company or partnership, or association, joint stock corporation
    or any other entity, “you” means all officers, directors and 5% or greater shareholders of the entity subscriber.
    Prior to responding to this question, please carefully review Annex 1 to this Confidential Purchaser Questionnaire which
    contains the full text of these rules.

 

	 	[  ]	Yes	 	[  ]	No

 

If
your answer is “yes,” please provide the complete details regarding such action(s) and attach copies of all relevant
documents.

 

4.
Are you subject to any pending action which if determined in a manner adverse to you could result in a Disqualifying Event? For
the purposes of this question, if you are not a natural person(s) and the subscription is being made by a corporation, partnership,
or limited liability company or partnership, or association, joint stock corporation or any other entity, “you” means
all officers, directors and 5% or greater shareholders of the entity subscriber. Prior to responding to this question, please
carefully review Annex 1 to this Confidential Purchaser Questionnaire which contains the full text of these rules.

 

	 	[  ]	Yes	 	[  ]	No

 

If
your answer is “yes,” please provide the complete details regarding such action(s) and attach copies of all relevant
documents.

 

    	 	 	 

    	 

    

 

	PART
    II:	INFORMATION
    TO BE PROVIDED BY INDIVIDUAL INVESTORS:

 

Identify
the state in which you maintain your principal residence: _________________________

 

Occupation:
___________________________________________________________________

 

Employer:
____________________________________________________________________

 

If
self-employed, provide the following information:

 

Name
of business: ______________________________________________________________

 

Length
of time engaged in current business: _______ years.

 

The
current value of my liquid assets (cash, marketable securities, cash surrender value of my life insurance and other items easily
convertible into cash) is sufficient to provide for my current needs and possible personal contingencies:

 

	 	[  ]	Yes	 	[  ]	No

 

Education:

 

	Year	 	School	 	Field
    of Study	 	Degree	 	Date
    Conferred
	 	 	 	 	 	 	 	 	 
	 	 	 	 	 	 	 	 	 
	 	 	 	 	 	 	 	 	 

 

Please
indicate the frequency of your investment in marketable securities, i.e., those where prices are quoted regularly on exchange
or in the over-the-counter market:

 

	 	[  ]	often	 	[  ]	occasionally	 	[  ]	seldom	 	[  ]	never

 

Do
you consider yourself to be an experienced and sophisticated investor?

 

	 	[  ]	Yes	 	[  ]	No

 

Do
you alone, or with your Purchaser Representative, have such knowledge and experience in financial and business matters that you
are capable of evaluating the risks and merits of this investment and feel that you can afford a loss of your entire investment
in the Company?

 

	 	[  ]	Yes	 	[  ]	No

 

    	 	 	 

    	 

    

 

	PART
    III:	INFORMATION
    TO BE PROVIDED BY PURCHASERS OTHER THAN INDIVIDUALS

 

Identify
type of entity (corporation, trust, limited liability company, partnership or other entity):

 

	 	____________________________________________________________________________	 

 

Identify
jurisdiction under the laws of which the entity is organized: _____________________

 

Identify
the date the entity was organized: __________________________________________

 

Identify
jurisdiction where the entity’s principal place of business is located: ______________

 

Describe
principal business conducted: ____________________________________________

 

(You
may be asked to furnish a copy of a properly certified company resolution or organizational documents authorizing the purchaser
to make an investment of this type).

 

    	 	 	 

    	 

    

 

	PART
    IV:	SIGNATURE

 

The
undersigned hereby represents and warrants that all of its answers to this Purchaser Questionnaire are true as of the date of
its execution of the Agreement pursuant to which it subscribed for the Shares.

 

	 	 	 
	Name
    of Purchaser (please print)	 	Name
    of Co-Purchaser (please print)
	 	 	 
	 	 	 
	Signature
    of Purchaser (Entities, please provide signature of Purchaser’s duly authorized signatory.)	 	Signature
    of Co-Purchaser
	 	 	 
	 	 	 
	Name
    of Signatory (entities only)(please print)	 	 
	 	 	 
	 	 	 
	Title
    of Signatory (entities only)(please print)	 	 

 

Date:
________________________________

 

    	 	 	 

    	 

    

 

Annex
1

 

“Bad
Actor” Disqualification

Rules
506(d)(1) and (2) of the Securities Act of 1933

 

(d)
“Bad Actor” disqualification. (1) No exemption under this section shall be available for a sale of securities
if the issuer; any predecessor of the issuer; any affiliated issuer; any director, executive officer, other officer participating
in the Offering, general partner or managing member of the issuer; any beneficial owner of 20% or more of the issuer’s outstanding
voting equity securities, calculated on the basis of voting power; any promoter connected with the issuer in any capacity at the
time of such sale; any investment manager of an issuer that is a pooled investment fund; any person that has been or will be paid
(directly or indirectly) remuneration for solicitation of purchasers in connection with such sale of securities; any general partner
or managing member of any such investment manager or solicitor; or any director, executive officer or other officer participating
in the Offering of any such investment manager or solicitor or general partner or managing member of such investment manager or
solicitor:

 

(i)
Has been convicted, within ten years before such sale (or five years, in the case of issuers, their predecessors and affiliated
issuers), of any felony or misdemeanor:

 

	 	(A)	In
    connection with the purchase or sale of any security;
	 	 	 
	 	(B)	Involving
    the making of any false filing with the Commission; or
	 	 	 
	 	(C)	Arising
    out of the conduct of the business of an underwriter, broker, dealer, municipal securities dealer, investment adviser or paid
    solicitor of purchasers of securities;

 

(ii)
Is subject to any order, judgment or decree of any court of competent jurisdiction, entered within five years before such sale,
that, at the time of such sale, restrains or enjoins such person from engaging or continuing to engage in any conduct or practice:

 

	 	(A)	In
    connection with the purchase or sale of any security;
	 	 	 
	 	(B)	Involving
    the making of any false filing with the Commission; or
	 	 	 
	 	(C)	Arising
    out of the conduct of the business of an underwriter, broker, dealer, municipal securities dealer, investment adviser or paid
    solicitor of purchasers of securities;

 

(iii)
Is subject to a final order of a state securities commission (or an agency or officer of a state performing like functions); a
state authority that supervises or examines banks, savings associations, or credit unions; a state insurance commission (or an
agency or officer of a state performing like functions); an appropriate federal banking agency; the U.S. Commodity Futures Trading
Commission; or the National Credit Union Administration that:

 

    	 	 	 

    	 

    

 

(A)
At the time of such sale, bars the person from:

 

	 	(1)	Association
    with an entity regulated by such commission, authority, agency, or officer;
	 	 	 
	 	(2)	Engaging
    in the business of securities, insurance or banking; or
	 	 	 
	 	(3)	Engaging
    in savings association or credit union activities; or

 

(B)
Constitutes a final order based on a violation of any law or regulation that prohibits fraudulent, manipulative, or deceptive
conduct entered within ten years before such sale;

 

(iv)
Is subject to an order of the Commission entered pursuant to section 15(b) or 15B(c) of the Securities Exchange Act of 1934 (15
U.S.C. 78 o (b) or 78 o -4(c)) or section 203(e) or (f) of the Investment Advisers Act of 1940 (15 U.S.C. 80b-3(e)
or (f)) that, at the time of such sale:

 

	 	(A)	Suspends
    or revokes such person’s registration as a broker, dealer, municipal securities dealer or investment adviser;
	 	 	 
	 	(B)	Places
    limitations on the activities, functions or operations of such person; or
	 	 	 
	 	(C)	Bars
    such person from being associated with any entity or from participating in the Offering of any penny stock;

 

(v)
Is subject to any order of the Commission entered within five years before such sale that, at the time of such sale, orders the
person to cease and desist from committing or causing a violation or future violation of:

 

	 	(A)	Any
    scienter-based anti-fraud provision of the federal securities laws, including without limitation section 17(a)(1) of the Securities
    Act of 1933 (15 U.S.C. 77q(a)(1)), section 10(b) of the Securities Exchange Act of 1934 (15 U.S.C. 78j(b)) and 17 CFR 240.10b-5,
    section 15(c)(1) of the Securities Exchange Act of 1934 (15 U.S.C. 78 o (c)(1)) and section 206(1) of the Investment
    Advisers Act of 1940 (15 U.S.C. 80b-6(1)), or any other rule or regulation thereunder; or
	 	 	 
	 	(B)	Section
    5 of the Securities Act of 1933 (15 U.S.C. 77e).

 

(vi)
Is suspended or expelled from membership in, or suspended or barred from association with a member of, a registered national securities
exchange or a registered national or affiliated securities association for any act or omission to act constituting conduct inconsistent
with just and equitable principles of trade;

 

(vii)
Has filed (as a registrant or issuer), or was or was named as an underwriter in, any registration statement or Regulation A offering
statement filed with the Commission that, within five years before such sale, was the subject of a refusal order, stop order,
or order suspending the Regulation A exemption, or is, at the time of such sale, the subject of an investigation or proceeding
to determine whether a stop order or suspension order should be issued; or

 

    	 	2	 

    	 

    

 

(viii)
Is subject to a United States Postal Service false representation order entered within five years before such sale, or is, at
the time of such sale, subject to a temporary restraining order or preliminary injunction with respect to conduct alleged by the
United States Postal Service to constitute a scheme or device for obtaining money or property through the mail by means of false
representations.

 

(2)
Paragraph (d)(1) of this section shall not apply:

 

(i)
With respect to any conviction, order, judgment, decree, suspension, expulsion or bar that occurred or was issued before September
23, 2013;

 

(ii)
Upon a showing of good cause and without prejudice to any other action by the Commission, if the Commission determines that it
is not necessary under the circumstances that an exemption be denied;

 

(iii)
If, before the relevant sale, the court or regulatory authority that entered the relevant order, judgment or decree advises in
writing (whether contained in the relevant judgment, order or decree or separately to the Commission or its staff) that disqualification
under paragraph (d)(1) of this section should not arise as a consequence of such order, judgment or decree; or

 

(iv)
If the issuer establishes that it did not know and, in the exercise of reasonable care, could not have known that a disqualification
existed under paragraph (d)(1) of this section.

 

(3)
For purposes of paragraph (d)(1) of this section, events relating to any affiliated issuer that occurred before the affiliation
arose will be not considered disqualifying if the affiliated entity is not:

 

(i)
In control of the issuer; or

 

(ii)
Under common control with the issuer by a third party that was in control of the affiliated entity at the time of such events.

 

    	 	3SECOND
Amendment

to

CONVERTIBLE
SECURED TERM NOTE

 

This
Second Amendment to Convertible Secured Term Note (this “Amendment”) is entered into this 11th day of June,
2018, by Bone Biologics Corporation, a Delaware corporation (“Maker”), and Hankey Capital, LLC, a California limited
liability company (“Payee”).

 

Recitals

 

A.
         The Maker issued that certain Convertible Secured Term Note, dated as
of October 24, 2014 (as amended by that certain First Amendment to Convertible Secured Term Note, dated February 10, 2016, the
“Note”) in the aggregate principal amount of $5,000,000 to the Payee.

 

B.
         The Maker and the Payee desire to amend the Conversion Price of the
Note as set forth herein.

 

Agreement

 

Now,
Therefore, in consideration of the foregoing
recitals and other good and valuable consideration, the receipt and adequacy of which are hereby acknowledged, and intending to
be legally bound, the parties hereto agree as follows:

 

1.
         Definitions.
Capitalized terms used but not defined in this Amendment shall
have the meanings given to them in the Note.

 

2.
         Amendments
to Note.

 

2.1
Section 3.5 Conversion.
Section 3.5 is amended in its entirety and replaced with the following:

 

“3.5
Conversion. Prior to the Maturity Date, Payee shall have the option to convert all or a portion of the outstanding principal
under this Note into common stock of Maker (each a “Conversion”) at a price per share equal to One Dollar ($1.00)
(the “Conversion Price”). The Conversion Price and the number of shares issuable upon a Conversion shall be subject
to appropriate adjustment for stock splits, stock dividends, recapitalizations and etc. Upon Payee’s election to make a
Conversion, Payee shall credit the principal amount of the Note which is converted against the outstanding principal balance of
the Loan dollar-for-dollar. Upon any Conversion, Payee shall return Securities Collateral to Maker in the amount necessary, if
any, to cause the LTV Ratio as of the date of such Conversion to be not less than the Maximum Ratio. Upon Maker’s receipt
of any such returned Securities Collateral, Maker shall cause all such Securities Collateral to be cancelled. Maker and Payee
acknowledge and agree that any reduction of the outstanding principal under this Note pursuant to any Conversion shall be a dollar-for-dollar
repayment of such principal indebtedness for value given and shall not be a cancellation, forgiveness, or other termination of
such principal indebtedness, in whole or in part.”

 

    	1

    	 

    

 

2.2
Section 9.3 Securities Collateral and LTV Ratio. Section 9.3 is amended by deleting the date of the Reconciliation Day and
replacing it with the date that this Amendment becomes effective for all purposes thereunder.

 

3.
         Effective
Date. This Amendment shall become effective on the closing of the offering described in that certain Private Placement Memorandum
relating to the issuance and sale of approximately $3,869,979 in common stock and $2,000,000 in convertible notes.

 

4.
         No
Other Amendments. No other amendments are made to the Note.

 

5.
         Counterparts.
This Agreement may be executed in two or more counterparts, each of which shall be deemed an original, but all of which together
shall constitute one and the same instrument.

 

6.
         Headings.
The headings and captions in this Amendment are for convenience only and in no way define or describe the scope of content of
any provision of this Amendment.

 

7.
         Governing
Law. This Amendment shall be governed by and construed in accordance
with the laws of the State of Delaware.

 

[Signature
page follows.]

 

    	2

    	 

    

 

In
Witness Whereof, the parties hereto have caused
this Amendment to be duly executed and delivered as of the date first written above.

 

	 	Maker:
	 	 
	 	BONE
    BIOLOGICS CORPORATION
	 	 	                     
	 	By:
    	
	 	Name:	 
	 	Title:	 
	 	 
	 	HANKEY
    CAPITAL, LLC
	 	 	 
	 	By:
    	 
	 	Name:	 
	 	Title:

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