AMENDMENT AGREEMENT



THIS AMENDMENT AGREEMENT,
dated as of September 11, 2013 (this “Amendment Agreement"), is made by and
among Prime Acquisition Corp., a Cayman Islands company (“Parent”),
Prime BHN Luxembourg S.àr.l, a Luxembourg company (“LuxCo”), BHN LLC, a New York limited liability company
(“BHN”), NOVA S.r.l., an Italian limited liability company (the “Company”), Francesco Rotondi,
an individual, and Giuseppe Pantaleo, an individual (the “Sellers”, and together with Parent, LuxCo, Company
and BHN, the "Parties", and each, a "Party").
Capitalized terms used and not defined in this Amendment Agreement have the respective meanings assigned to them in the Purchase
Agreement (as defined below).



WHEREAS, the Parties
have entered into a Stock Purchase Agreement, dated as of June 22, 2013 (the "Purchase Agreement");



WHEREAS, pursuant to
Section 2.2 of the Purchase Agreement, the consideration for the Units shall be represented by Stock Certificates representing
a number of Exchange Shares equal to: (a) the Enterprise Value, plus the Change in Cash, minus Liabilities, multiplied by (b) the
Exchange Rate, divided by (c) 10;



WHEREAS, the Parties
are desirous to amend the definition of Liabilities, as such term is used in Section 2.2 of the Purchase Agreement;



WHEREAS, the Parties
have entered into an Agreement, dated as of August 6, 2013 (the "Agreement") pursuant to which, among other things,
the Parties have agreed that the aggregate amount of Liabilities reflected in the Financial Statements to be used in connection
with the calculation of the Exchange Consideration would be subject to further adjustments to be mutually agreed on by the Parties
no later than September 3, 2013;



WHEREAS, the Parties
are desirous to memorialize the Parties’ understanding regarding the determination of the Liabilities and the amount of the
Exchange Consideration as at September 30, 2013; and



WHEREAS, the Parties
hereby acknowledge that the Exchange Consideration has been determined on the basis of the Liabilities as set forth in Annex A
hereto.



WHEREAS, pursuant to
Section 13.2 of the Purchase Agreement, any amendment must be contained in a written agreement signed by an authorized representative
of Parent or LuxCo.













NOW, THEREFORE, in
consideration of the premises set forth above and other good and valuable consideration, the receipt and sufficiency of which are
hereby acknowledged, the parties agree as follows:



1.Amendments. The Purchase Agreement is hereby amended as follows:



| | a) | Deleting in its entirety the definition of Liabilities, and replacing it with the following new definition of Liabilities:
| | -- | --------------------------------------------------------------------------------------------------------------------------



“Liabilities”
means any Company’s liabilities, obligations or commitments of any nature whatsoever, accrued or unaccrued, matured or unmatured
or otherwise, as they would be adequately reflected or reserved against in accordance with Italian Generally Accepted Accounting
Principles, as set forth in Annex A attached hereto”.



| | b) | Adding an additional annex, styled “Annex A”, as attached hereto as Annex A.
| | -- | ----------------------------------------------------------------------------



2.Exchange Consideration. The aggregate Exchange Consideration shall be no less than Euro 1,440,000.00 and that
it shall be represented by a number of shares of Parent’s Common Stock to be calculated pursuant to Section 2.2 of the Purchase
Agreement. The shares of Parent’s Common Stock shall be delivered pursuant to Section 2.3 of the Purchase Agreement. It is
agreed among the Parties that the aggregate Exchange Consideration set forth in this section shall be valid until September 30,
2013. In case the Closing takes place after September 30, 2013, the Exchange Consideration shall be subject to renegotiation by
the Parties.



3.Limited Effect; No Modifications. The provision set forth in Sections 1 and 2 above shall be limited precisely as
written. Nothing contained in this Amendment Agreement will be deemed or construed to amend, supplement or modify the Purchase
Agreement or the Agreement or otherwise affect the rights and obligations of any party thereto, all of which remain in full force
and effect.



4.Miscellaneous.



(a)This Amendment Agreement is governed by, and construed in accordance with, the laws of the State of New York, without regard
to the conflict of laws provisions of such State.



(b)This Amendment Agreement shall inure to the benefit of and be binding upon each of the Parties and each of their respective
successors and assigns.



(c)The headings in this Amendment Agreement are for reference only and do not affect the interpretation of this Amendment Agreement.





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(d)This Amendment Agreement may be executed in counterparts, each of which is deemed an original, but all of which constitutes
one and the same agreement. Delivery of an executed counterpart of this Amendment Agreement electronically or by facsimile shall
be effective as delivery of an original executed counterpart of this Amendment Agreement.



(e)This Amendment Agreement constitutes the sole and entire agreement of the Parties with respect to the subject matter contained
herein, and supersedes all prior and contemporaneous understandings, agreements, representations and warranties, both written and
oral, with respect to such subject matter.



(f)Each Party shall pay its own costs and expenses in connection with this Amendment Agreement (including the fees and expenses
of its advisors, accounts and legal counsel).



[Signature page follows]





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|BHN: | BHN LLC                                                                                  
|---- | -----------------------------------------------------------------------------------------
|     | By_____________________
        
        Name: Marco Prete
        Title: Managing Member



|COMPANY: | NOVA S.r.l.                                                                                      
|-------- | -------------------------------------------------------------------------------------------------
|         | By_____________________
        
        Name: Giuseppe Pantaleo
        Title: Managing Director



|SELLERS: |                                                         
|-------- | --------------------------------------------------------
|         | _____________________
        
        Francesco Rotondi
|         | _____________________
        
        Giuseppe Pantaleo