Document:

ASSIGNMENT OF
COMMERCIAL LEASE, 

CONSENT AND RELEASE AGREEMENT

  

THIS ASSIGNMENT OF COMMERCIAL LEASE,
CONSENT AND RELEASE AGREEMENT (hereinafter "Agreement") is made as of the _____ day of ___________,
20_______ by and among Donegal Township, a municipal corporation (hereinafter "Landlord"), Marge Graham
(hereinafter "Assignor") and Sterling Seal & Supply, Inc. (hereinafter

 

"Assignee").

 

A.             Whereas, on or about August 1, 2013, Landlord and Assignor entered into a Commercial Lease Agreement (hereinafter "Commercial
Lease") wherein Landlord leased to Assignor a portion of a certain building designated as 34 N. Liberty St., West
Alexander, Pennsylvania 15376 (hereinafter the "Leased Premises"), a Copy of the Commercial Lease is attached
hereto as Exhibit "A"; and

 

B.             Whereas Assignor desires to assign all of its right, title and interest in and to the Commercial Lease to Assignee, and Assignee
desires to accept such assignment and assume the obligations of Assignor under the Commercial Lease; and

 

C.             Whereas Landlord is willing to consent to such assignment and assumption and to release Assignor from liability related to the
Commercial Lease upon the following terms and conditions.

 

NOW, THEREFORE, intending
to be legally bound hereby, and in consideration of the above premises, the mutual covenants included herein, and other
good, valuable and sufficient consideration received, it is hereby agreed as follows:

 

1.             Assignment. Assignor hereby absolutely transfers, assigns and sets over to Assignee all of the right, title and interest
of Assignor in and to the Commercial Lease. The assignment herein made shall be effective as of April 1, 2014 (hereinafter the
"Effective Date"). Landlord agrees that such assignment shall release Assignor from any liability or obligation
of the tenant under the Commercial Lease, arising from and after the Effective Date.

 

2.             Acceptance
and Assumption. Assignee accepts the assignment made in Paragraph 1 above, assumes the Commercial Lease, agrees to pay all
rent and other charges accruing under the Commercial Lease from and after the Effective Date and agrees to observe and perform
all of the other covenants, agreements and obligations to be observed or performed by the tenant named in the Commercial Lease
from and after the Effective Date. Assignee has inspected the Leased Premises and knows the present physical condition thereof
and confirms that neither Landlord nor any managing agent of the Building or their respective officers, directors, employees,
agents or beneficiaries have made any representation or warranty to Assignee concerning the physical condition of the Leased Premises,
or otherwise, expressed or implied, and that Assignee does not accept the Leased Premises in reliance upon any such representation
or warranty.

 

    	1

    	 

    

 

3.             Consent. Landlord hereby consents to the assignment made in Paragraph 1 above and the acceptance and assumption made
in Paragraph 2 above, provided, that notwithstanding such consent, Landlord's consent is limited to the assignment and assumption
herein made and shall not relieve Assignor and Assignee from the obligation to obtain the consent of Landlord to

 

(i)  
any future assignment, in whole or in part, of the interest of the tenant under the Lease, or (ii) any future sublease of the Leased
Premises, or any part thereof.

 

4.             Warranty. Landlord and Assignor warrant and represent to each other that all rental payments and other amounts due under the
Commercial Lease have been paid and received as of the Effective Date and that neither Landlord nor Assignor have provided
any notice of default to the other concerning any performance or obligations under the Commercial Lease.

 

5.             Mutual Release. Landlord and Assignor hereby release each other, and their respective shareholders, directors, officers,
employees, agents, heirs and administrators of and from any and all liability, judgements, suits, dues, rents, causes of action,
agreements, claims and demands whatsoever, at law or in equity, which the parties now have, ever had, or will ever have, arising
from or out of, or in any way related to the Commercial Lease, any breach of the terms of the Commercial Lease, or Graham's occupancy
of the Leased Premises occurring prior to the Effective Date.

 

6.             Tenant's Notice Address. For purposes of the Lease, Assignee's address for purposes of delivering notice under the
Lease is as follows:

 

Sterling Seal & Supply, Inc.

1105 Green Grove Road

Neptune, NJ 07753

Fax: 732-918-8114

 

7.             Integration. This Agreement constitutes the entire agreement between the parties hereto regarding the subject matter
hereof, and may only be modified by writing duly executed by the parties.

 

8.             Miscellaneous. This Agreement (a) shall be binding upon and inure to the benefit of Landlord, its successors and
assigns and Assignor, Assignee and their respective heirs, legal representatives and permitted successors and permitted assigns,
and (b) shall be governed by the laws of the Commonwealth of Pennsylvania.

 

9.             Execution. This
Agreement may be executed in counterparts, each of which shall constitute an original instrument, but which
counterparts together shall constitute the same agreement. The delivery by either party to the other of a facsimile of
assigned counterpart shall have the same legally binding effect as delivering of an original signed counterpart. Each of
the parties warrants and represents to the other that it has the full and complete authority to enter into this Agreement and
that no additional authorizations or approvals are necessary

 

 

IN
WITNESS WHEREOF, the Parties hereto, intending to be legally bound hereby, have executed this Assignment of Commercial Lease,
Consent and Release Agreement as of the date first above written.

 

	Witness:	ASSIGNOR:	 
	 	 
	_____________________________	_____________________________	 
	 	Marge Graham	 
	 	ASSIGNEE:	 
	ATTEST:	Sterling Seal & Supply, Inc	 
	_____________________________	By:___________________________	 
	 	Title: _________________________	 
	ATTEST:	LANDLORD:	 
	 	Donegal Township a Municipal Corporation	 
	_____________________________	_____________________________	 
	 	By: __________________________	 
	 	Title: _________________________	 

 

    	2Letter of Resignation

 

 

 

 

 

		To:	netTALK .COM Inc.

 

			1080 NW 163rd Drive

 

			Florida, 33169

 

 

 

		Attn.:	Anastasios Kyriakides, Chairman of the Board and CEO

 

		Date:	April 22, 2014

 

 

 

Dear Mr. Kyriakides,

 

I Firas
Aljazrawi, herewith resign from the netTALK .COM, Inc. Board of Directors effective as of 12PM today April 22, 2014.

 

 

Sincerely

 

 

/s/ Firas Aljazrawi

 

Firas AljazrawiLetter of Resignation

 

 

 

 

 

		To:	netTALK .COM Inc.

 

			1080 NW 163rd Drive

 

			Florida, 33169

 

 

 

		Attn.:	Anastasios Kyriakides, Chairman of the Board and CEO

 

		Date:	April 22, 2014

 

 

 

Dear Mr. Kyriakides,

 

I Raya
Alsaigh, herewith resign from the netTALK .COM, Inc. Board of Directors effective as of 12PM today April 22, 2014.

 

 

Sincerely

 

 

/s/ Raya Alsaigh

 

Raya AlsaighSamer Bishay is also the president and CEO of Iristel,
Canada’s leading provider of wireless IP services. As Iristel’s founder, Samer led the company from a small
startup to an international telecommunications service provider with domestic infrastructure licenses on three continents.
Prior to founding Iristel, Samer was a lead systems engineer in the Radarsat program at the Canadian Space Agency. Samer is a
graduate of the Space & Communications program at York University, with an Honors Bachelor of Science Degree.Maged A. Bishara is Senior Vice President of Iristel Inc.,
Canada’s leading provider of wireless IP services. Mr. Bishara started with Iristel in 2002  as
director of operations. From 1999 to 2001, Mr. Bishara was the corporate controller for Liquidation Depot in Montreal, Qc.
where he oversaw accounting, financial reporting, analysis and preparation of the consolidated financial statements,
including schedules for tax compliance. Mr. Bishara has a Bachelor of Commerce, Accountancy Major, Baccalaureate, B.Sc from
Concordia University.Exhibit 10.1

 

EMPLOYMENT AGREEMENT II

 

This Employment Agreement II ("Agreement"),
is entered into as of April 1, 2014 (the “Effective Date”), by and between Navidea Biopharmaceuticals, Inc., a
Delaware Corporation with a place of business at 425 Metro Place North, Suite 300, Dublin, Ohio 43017-1367 (the “Company”)
and Cornelia Reininger, MD, PhD, (the “Employee”) (collectively, the “Parties”).

 

Recitals

 

WHEREAS, effective November 1, 2012, the
Company and the Employee entered into an Employment Agreement, under which the Company has employed the Employee as Senior Vice
President and Chief Medical Officer of Navidea Biopharmaceuticals, Inc.; and

 

WHEREAS, that Employment Agreement, by its
terms, is scheduled to terminate on March 31, 2014; and

 

WHEREAS, in exchange for mutually satisfactory
promises and consideration, the sufficiency of which both the Company and the Employee acknowledge, the Company and the Employee
now wish to replace that Employment Agreement with this Agreement and to establish in this writing the terms, covenants, and conditions
governing Employee’s continued employment with the Company after March 31, 2014.

 

AGREEMENT

 

NOW, THEREFORE, in consideration of the
promises to one another contained in this Agreement, the Parties agree as follows:

 

		1.	Duties. From and after the Effective Date, and
based upon the terms and conditions set forth herein, the Company agrees to employ the Employee and the Employee agrees to be
employed by the Company, as Senior Vice President and Chief Medical Officer of the Company and in such equivalent or additional
executive level position or positions as shall be assigned to the Employee by the Company’s Board of Directors. While serving
in such executive level position or positions, the Employee shall report to, be responsible to, and shall take direction from
the Chief Executive Officer of the Company. During the Term of this Agreement (as defined in Section 2 below), the Employee agrees
to devote substantially all of the Employee’s working time to the position the Employee holds with the Company and to faithfully,
industriously, and to the best of the Employee’s ability, experience and talent, perform the duties which are assigned to
the Employee. The Employee shall also observe and abide by the reasonable corporate policies and decisions of the Company in all
business matters.

 

    	 

    	 

    

 

			The Employee represents and warrants to the Company that Exhibit A attached
to this Agreement sets forth a true and complete list of (a) all offices, directorships and other positions held by the Employee
in corporations and firms other than the Company and its subsidiaries, and (b) any investment or ownership interest in any corporation
or firm other than the Company beneficially owned by the Employee (excluding investments in life insurance policies, bank deposits,
publicly traded securities that are less than five percent (5%) of their class and real estate). The Employee will promptly notify
the Board of Directors of the Company of any additional positions undertaken or investments made by the Employee during the Term
of this Agreement if they are of a type which, if they had existed on the date of this Agreement, should have been listed on Exhibit
A. As long as the Employee’s other positions or investments in other firms do not create a conflict of interest, violate
the Employee’s obligations under Sections 5 and 6 below, or cause the Employee to neglect the Employee’s duties under
this Agreement, such activities and positions shall not be deemed to be a breach of this Agreement.

 

		2.	Term. Subject to Sections 4 and 5 of this Agreement, the Term of this Agreement shall be for a period commencing on
the Effective Date and terminating on December 31, 2015, unless terminated earlier pursuant to the termination provisions set forth
in Section 4 of this Agreement.

 

		3.	Compensation. During the Term of this Agreement,
the Company shall pay, and the Employee agrees to accept as full consideration for the services to be rendered by the Employee
under this Agreement, compensation consisting of the following:

 

		A.	Salary. Beginning on the first day of the Term of this Agreement, the Company shall pay the Employee a salary of Three
Hundred Thousand Dollars ($300,000) per year, payable in semi-monthly or monthly installments as requested by the Employee. The
Committee (as hereinafter defined) shall review the Employee’s annual salary on an annual basis and may increase the salary
at its discretion, or may decrease the salary if the Committee determines that the Employee's job performance or conduct, or the
Company's business condition at the time, warrants the decrease. Funds paid as salary in accordance with the terms of this Agreement
will be sent via electronic funds transfer to the appropriate bank account as directed by the Employee.

 

		B.	Bonus. The Compensation, Nominating and Governance Committee (the “Committee”) of the Board of Directors
will, on an annual basis, review the performance of the Company and of the Employee and will pay such bonus as it deems appropriate,
in its discretion, to the Employee based upon such review. Such review and bonus will be reviewed and paid in a manner consistent
with (1) any bonus plan adopted by the Committee, which covers the executive officers and employees of the Company generally ("Bonus
Plan"), and (2) the guidelines established by the Committee for the payment of any bonus to officer employees of the Company
("Bonus Guidelines"). Unless the Bonus Plan or the Bonus Guidelines state otherwise, any bonus earned in any calendar
year will be payable in the first calendar quarter of the following calendar year.

 

		C.	Benefits. During the Term of this Agreement, the Employee will receive such employee benefits as are generally available
to all employees of the Company, including, as may vary from time to time at the Company's discretion, major medical, dental, vision,
and life insurance; long-term disability, short-term disability and AD&D coverage; flexible spending account programs; and
a 401(k) retirement plan.

 

    	-2-

    	 

    

 

		D.	Stock Options. The Committee of the Board of Directors may, from time to time, grant stock options, restricted stock
purchase opportunities, and other forms of equity-based incentive compensation as it deems appropriate, in its discretion, to the
Employee under the Company’s Third Amended and Restated 2002 Stock Incentive Plan (the “Stock Plan”). The terms
of the relevant award agreements shall govern the rights of the Employee and the Company thereunder in the event of any conflict
between such agreement and this Agreement. In conjunction with the Employee's acceptance of and starting employment with the Company,
stock options for Eighty-Eight Thousand (88,000) shares of the Company’s common stock were issued to the Employee, subject
to the terms of the Company’s standard stock option agreement. The grant date for the options was November 1, 2012. The options
began to vest on an equal annual basis, starting with 25% of the options vesting one year after November 1, 2012, and continuing
with additional 25% of options vesting on an annual basis for the following three years, on each subsequent anniversary of the
Effective Date of the November 1, 2012 Employment Agreement. As of February 15, 2014, 52,000 shares have vested. The options were
priced at the closing price on November 1, 2012.

 

		E.	Vacation, Sick/Personal Leave, and Paid Time Off for Professional Qualifications. The Employee shall be entitled to
one hundred sixty (160) hours of vacation and eighty (80) hours of sick/personal leave during each calendar year during the Term
of this Agreement. Employee will be provided forty (40) additional hours of paid time off for Employee to maintain her professional
qualifications as Professor of Surgery at LMU Munich, Germany, or a like professorship at a similar institution previously identified
to the Company, and Employee may use up to forty (40) hours of her sick/personal days for this purpose if necessary due to conflicts
that may result with Employee's normally scheduled workdays for the Company. Any vacation, sick/personal leave, and paid time off
for professional qualifications that remain unused within a calendar year will not carry over into the following calendar year.

 

		F.	Expenses. The Company shall reimburse the Employee for all reasonable out-of-pocket expenses incurred by her in the
performance of her duties hereunder, including expenses for travel, entertainment, and similar items, promptly after the presentation
by the Employee, from time-to-time, of an itemized account of such expenses. The Company will also reimburse the Employee for up
to Three-Thousand Dollars ($3,000.00) each year for professional dues; however, the Employee will not be reimbursed for any travel
expenses incurred in connection maintenance of her professional qualifications with LMU Munich.

 

    	-3-

    	 

    

 

		G.	Clawback Policy. The Company’s obligation to pay any bonus or stock-based incentive compensation under paragraphs
B. or D. of this Section 3, and the Employee’s right to receive or retain such compensation, shall be subject to any policy
adopted by the Board of Directors or its Compensation, Nominating and Governance Committee (or any successor committee of the Board
of Directors with authority over executive compensation) pursuant to the “clawback” provisions of Section 304 of the
Sarbanes-Oxley Act of 2002, Section 10D of the Securities Exchange Act of 1934, Section 954 of the Dodd-Frank Wall Street Reform
and Consumer Protection Act, or regulations promulgated thereunder, or pursuant to any rule of any national securities exchange
on which the equity securities of the Company are listed implementing Section 10D of the Securities Exchange Act of 1934, or regulations
promulgated thereunder.

 

		H.	Car Allowance. If the Employee is unable to obtain credit to purchase or lease an automobile on terms acceptable to
the Company, the Company will act as a guarantor to a loan or lease for a vehicle with the maximum amount of the guarantee not
to exceed Thirty-Two Thousand Dollars ($32,000). If the Employee leaves the Company within the first year of employment for any
reason (except termination without cause), the Company will either (1) cease to be a guarantor, or (2) the 75% of the amount owed
on the loan or lease will be due from the Employee to the Company and may be withheld from any payments due to the Employee upon
separation from the Company. If the Employee leaves the Company for any reason (except termination without cause) after the first
year of employment but before the second or third anniversaries, the Employee will be obligated to pay 50% or 25% of the amount
owed on the loan or lease, respectively, and that amount may be withheld from any payments due to the Employee upon separation
from the Company. All payments are subject to applicable taxes and withholdings. The Company currently is guaranteeing the loan
by reimbursing the Employee based on a monthly amount of $667.

 

		4.	Termination.

 

		A.	For Cause. The Company may terminate the employment of the Employee prior to the end of the Term of this Agreement “for
cause.” Termination “for cause” shall be defined as a termination by the Company of the employment of the Employee
occasioned by:

 

		i.	the failure by the Employee to cure, to the Company’s satisfaction, a breach of a material duty imposed on the Employee
under this Agreement or any other written agreement between Employee and the Company within fifteen (15) days after written notice
thereof by the Company;

 

		ii.	the continuation by the Employee, after written notice by the Company, of a continued neglect of a duty imposed on the Employee
under this Agreement;

 

		iii.	acts by Employee of fraud, embezzlement, theft or other material dishonesty directed against or that may otherwise adversely
impact the Company;

 

		iv.	the Employee is formally charged with a felony crime or a crime involving moral turpitude, that in the reasonable good faith
judgment of the Board of Directors, results in or has the potential to result in material damage to the Company or its reputation
or, in the Company’s reasonable judgment, would materially interfere with the performance of Employee’s obligations
under this Agreement; or

 

    	-4-

    	 

    

 

		v.	the use or possession of illegal drugs
                                         on or off-the-job (including the illegal use or possession of prescription drugs or other
                                         controlled substances), or the abuse of alcohol in a manner which adversely affects (1)
                                         the Employee’s job performance, behavior or attendance; or (b) the Company’s
                                         operations or reputation as reasonably determined by the Company.

 

In the event of termination
by the Company “for cause,” all salary, benefits, and other payments shall cease at the time of termination, the Employee
will forfeit all unvested stock options as of the time of termination, and the Company shall have no further payment obligations
to the Employee.

 

		B.	Resignation. If the
                                         Employee resigns for any reason, all salary, benefits and other payments (except as otherwise
                                         provided in paragraph G of this Section 4 below) shall cease, and the Employee will forfeit
                                         all unvested stock options as of the date of the resignation becomes effective. At the
                                         time of the Employee's resignation, the Company shall pay the Employee the value of any
                                         accrued but unused vacation and the amount of all accrued but previously
                                         unpaid base salary through the date of such termination. The Company shall promptly reimburse
                                         the Employee for the amount of any expenses incurred prior to such termination by the
                                         Employee as required under paragraph F of Section 3 above.

 

		C.	Disability,
                                         Death. The Company may terminate the employment of the Employee prior to the end
                                         of the Term of this Agreement if the Employee has been unable to perform the Employee’s
                                         duties hereunder or a similar job for six (6)
                                         continuous months due to a physical or mental condition that, in the opinion of a licensed
                                         physician, will be of indefinite duration or is without a reasonable probability of recovery
                                         within the next thirty (30) days after the examination
                                         by the licensed physician. The Employee agrees to submit to an examination by
                                         a licensed physician of the Company’s choice in order to obtain such opinion, made
                                         after the Employee has been or likely will be absent from work for at least six (6) months.
                                         Any requested examination shall be paid for by the Company. However, this provision does
                                         not abrogate either the Company’s or the Employee’s rights and obligations
                                         pursuant to the Family and Medical Leave Act of 1993, and a termination of employment
                                         under this paragraph C shall not be deemed to be a termination "for cause".

 

If during the Term of
this Agreement, the Employee dies or the Employee’s employment is terminated because of the Employee’s disability,
all salary, benefits and other payments shall cease at the time of death or termination due to disability, provided, however,
that the Company shall pay such other amounts or provide such other benefits required to be paid or provided to the Employee or
the Employee's estate under any plan, program, policy, practice, contract, or arrangement in which the Employee or the Employee's
estate is eligible to receive such payments or benefits from the Company, for the longer of twelve (12) months after such death
or termination or the full unexpired Term of this Agreement on the same terms and conditions (including cost) as were applicable
before such death or termination. In addition, for the first six (6) continuous months of any disability that results in the Employee
being unable to perform her job duties, the Company shall pay to the Employee the difference, if any, between any cash benefits
received by the Employee from a Company-sponsored disability insurance policy and the Employee’s salary hereunder. At the
time of any termination for death or disability, the Company shall pay the Employee or the Employee's estate the value of any
accrued but unused vacation, and the amount of all accrued but previously unpaid base salary through the date of such termination.
The Company shall promptly reimburse the Employee or the Employee's estate for the amount of any expenses incurred by the Employee
prior to such death or termination and pursuant to the conditions and requirements under paragraph F of Section 3 above.

 

    	-5-

    	 

    

 

		D.	Termination without Cause. A termination “without cause” is a termination of the employment of the Employee
by the Company that is not “for cause” and not occasioned by the resignation, death, or disability of the Employee
as described above. If the Company terminates the employment of the Employee without cause (whether before the end of the Term
of this Agreement or, if the Employee is employed by the Company under paragraph E of this Section 4 below, after the Term of this
Agreement has ended), the Company shall, at the time of such termination, pay to the Employee the severance payment provided in
paragraph F of this Section 4 below, together with the value of any accrued but unused vacation, the amount of all accrued but
previously unpaid base salary through the date of such termination, and shall pay such other amounts or provide such other benefits
required to be paid or provided to the Employee under any plan, program, policy, practice, contract, or arrangement in which the
Employee is eligible to receive such payments or benefits from the Company for the longer of twelve (12) months or the full unexpired
Term of this Agreement and on the same terms and conditions (including cost) as were applicable before such termination. The Company
shall promptly reimburse the Employee for the amount of any expenses incurred prior to such termination by the Employee as required
under and pursuant to the conditions of paragraph F of Section 3 above.

 

If the Company terminates the employment of the Employee
because it has ceased to do business or substantially completed the liquidation of its assets, or because it has relocated to another
city and the Employee has decided not to relocate also, such termination of employment shall be deemed to be “without cause.”

 

		E.	End of the Term of this Agreement. Except as otherwise provided in paragraphs F and G of this Section 4 below, the Company
may terminate the employment of the Employee at the end of the Term of this Agreement without any liability on the part of the
Company to the Employee. However, if the Employee continues to be an employee of the Company after the Term expires, the Employee’s
employment shall be governed by the terms and conditions of this Agreement, but the Employee shall be an employee at-will and the
Employee’s employment may be terminated at any time by either the Company or the Employee without notice and for any reason
not prohibited by law. If the Company terminates the employment of the Employee at the end of the Term of this Agreement, the Company
shall, at the time of such termination, pay to the Employee the severance payment provided in paragraph F of this Section 4 below
together with the value of any accrued but unused vacation, and the amount of all accrued but previously unpaid base salary through
the date of such termination. The Company shall promptly reimburse the Employee for the amount of any reasonable expenses incurred
prior to such termination by the Employee as required under and pursuant to the conditions of paragraph F of Section 3 above.

 

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		F.	Severance. If the employment
                                         of the Employee is terminated by the Company at the end of the Term of this Agreement,
                                         or if the employment of the Employee is terminated by the Company without cause (whether
                                         before the end of the Term of this Agreement or, if the Employee is employed by the Company
                                         under paragraph E of this Section 4 above, after the Term of this Agreement has ended),
                                         then the Employee shall be paid, as a severance payment at the time of such termination,
                                         the amount of Three Hundred Thousand Dollars ($300,000).

 

		G.	Change of Control Severance.
In addition to the rights of the Employee under the Company’s employee benefit plans (paragraph C of Section 3 above)
but in lieu of any severance payment under paragraph F of this Section 4 above, if there is a Change in Control of the Company
(as defined below) during the Term and within six (6) months after the Term expires, the employment of the Employee is concurrently
or subsequently terminated (a) by the Company without cause, (b) by the expiration of the Term of this Agreement, or (c) by the
resignation of the Employee because the Employee has reasonably determined in good faith that the Employee’s titles, authorities,
responsibilities, salary, bonus opportunities or benefits have been materially diminished, that a material adverse change in the
Employee’s working conditions has occurred, that the Employee’s services are no longer required in light of the Company’s
business plan, or the Company has breached this Agreement, the Company shall pay the Employee, as a severance payment, at the
time of such terminationthe amount of Four Hundred Fifty Thousand Dollars ($450,000), together with the value of any accrued but
unused vacation, and the amount of all accrued but previously unpaid base salary through the date of termination and shall pay
such other amounts or provide such other benefits required to be paid or provided to the Employee under any plan, program, policy,
practice, contract, or arrangement in which the Employee is eligible to receive such payments or benefits from the Company for
the longer of twelve (12) months or the full unexpired Term of this Agreement. The Company shall promptly reimburse the Employee
for the amount of any expenses incurred prior to such termination by the Employee as required under paragraph F of Section 3 above.
Notwithstanding the foregoing, before the Employee may resign pursuant to Section 4(G)(c) above,
the Employee shall deliver to the Company a written notice of the Employee’s intent to terminate the Employee’s
employment pursuant to Section 4(G)(c), and the Company shall have been given a reasonable opportunity
to cure any such act, omission or condition within thirty (30) days after the Company’s receipt of such notice.

 

    	-7-

    	 

    

 

For the purpose of this
Agreement, a Change in Control of the Company has occurred when: (a) any person (defined for the purposes of this paragraph G
to mean any person within the meaning of Section 13(d) of the Securities Exchange Act of 1934 (the “Exchange Act”)),
other than the Company, an employee benefit plan created by its Board of Directors for the benefit of its employees, or a participant
in a transaction approved by its Board of Directors for the principal purpose of raising additional capital, either directly or
indirectly, or an affiliate of such participant, acquires beneficial ownership (determined under Rule 13d-3 of the Regulations
promulgated by the Securities and Exchange Commission under Section 13(d) of the Exchange Act) of securities issued by the Company
having thirty percent (30%) or more of the voting power of all the voting securities issued by the Company in the election of
Directors at the next meeting of the holders of voting securities to be held for such purpose; (b) a majority of the Directors
elected at any meeting of the holders of voting securities of the Company are persons who were not nominated for such election
by the Board of Directors or a duly constituted committee of the Board of Directors having authority in such matters; (c)
the stockholders of the Company approve a merger or consolidation of the Company with another person other than a merger or consolidation
in which the holders of the Company’s voting securities issued and outstanding immediately before such merger or consolidation
continue to hold voting securities in the surviving or resulting corporation (in the same relative proportions to each other as
existed before such event) comprising eighty percent (80%) or more of the voting power for all purposes of the surviving or resulting
corporation; or (d) the stockholders of the Company approve a transfer of substantially all of the assets of the Company to another
person other than: (i) a transfer to a transferee, eighty percent (80%) or more of the voting power of which is owned or controlled
by the Company or by the holders of the Company’s voting securities issued and outstanding immediately before such transfer
in the same relative proportions to each other as existed before such event, or (ii) a transfer following which the Company continues
the operation of one or more lines of business that were operated by the Company prior to the transfer, and a class of common
stock of the Company remains registered under Section 12 of the Securities Exchange Act of 1934. The Parties hereto agree that
for the purpose of determining the time when a Change of Control has occurred that if any transaction results from a definite
proposal that was made before the end of the Term of this Agreement but which continued until after the end of the Term of this
Agreement and such transaction is consummated after the end of the Term of this Agreement, such transaction shall be deemed to
have occurred when the definite proposal was made for the purposes of the first sentence of this paragraph G of this Section 4.
Notwithstanding the foregoing, before the Employee may resign pursuant to Section 4(G)(c) above, the Employee shall deliver to
the Company a written notice of the Employee’s intent to terminate her employment pursuant to Section 4(G)(c), and the Company
shall have been given a reasonable opportunity to cure any such act, omission or condition within thirty (30) days after the Company’s
receipt of such notice.

 

    	-8-

    	 

    

 

		H.	Benefit and Stock Plans. In the event that a benefit plan or Stock Plan which covers the Employee has specific provisions
concerning termination of employment, or the death or disability of an employee (e.g., life insurance or disability insurance),
then such benefit plan or Stock Plan, and not this Agreement, shall control the disposition of the benefits or stock options, restricted
stock, and other forms of equity-based incentive compensation in accordance with the terms and conditions of such benefit plan
or Stock Plan.

 

		I.	After-Tax Benefits and Reimbursement.
                                         Notwithstanding the foregoing, if the Company reasonably
                                         determines that any of the benefits described in this Section 4 may not be exempt from
                                         federal income tax, then for a period of six (6) months after the date of the Employee’s
                                         termination, the Employee shall pay to the Company an amount equal to the stated taxable
                                         cost of such coverages. After the expiration of the six-month period, the Employee shall
                                         receive from the Company a reimbursement of the amounts paid by the Employee.

 

		5.	Proprietary Information Agreement. Employee has executed a Proprietary Information Agreement as a condition of employment
with the Company. The Proprietary Information Agreement shall not be limited by this Agreement in any manner, and the Employee
shall act in accordance with the provisions of the Proprietary Information Agreement at all times during and after the Term of
this Agreement.

 

		6.	Non-Competition. Employee agrees that for so long as the Employee is employed by the Company under this Agreement and
for one (1) year after the Employee’s termination from employment, for any reason, whether voluntarily or involuntarily,
the Employee will not:

 

		A.	enter into the employ of or render any services to any person, firm, or corporation, which is engaged, in any part, in a Competitive
Business (as defined below);

 

		B.	engage in any directly Competitive Business for her own account;

 

		C.	become associated with, or interested in through any written or oral contract or by employment with any Competitive Business
as an individual, partner, shareholder, creditor, director, officer, principal, agent, employee, trustee, independent contractor,
consultant, advisor, or in any other relationship or capacity; or

 

		D.	solicit, interfere with, or endeavor through any form of communication or activity to entice away from the Company, any of
its customers, strategic partners, employees, or sources of supply.

 

			Nothing in this Agreement shall preclude Employee from taking employment in the banking or related financial services industries
nor from investing the Employee’s personal assets in the securities or any Competitive Business if such securities are traded
on a national stock exchange or in the over-the-counter market and if such investment does not result in her beneficially owning,
at any time, more than one percent (1%) of the publicly-traded equity securities of such Competitive Business. “Competitive
Business” for purposes of this Agreement shall mean any business or enterprise which:

 

    	-9-

    	 

    

 

		a.	is engaged in the development and/or commercialization of products and/or systems for use in intraoperative detection of cancer,
or

 

		b.	reasonably understood to be competitive with the Company in the relevant market with products and/or systems described in clause
a above, or

 

		c.	the Company engages in during the Term of this Agreement and from which the Company derives revenue or in which the Company
has made a material capital investment.

 

		7.	Attorneys’ Fees and Expenses. In the event
that any action, suit, or other legal or equitable proceeding is brought by either party to enforce the provisions of this Agreement,
or to obtain money damages for the breach thereof, then the party which substantially prevails in such action (whether by judgment,
court order, or settlement) shall be entitled to recover from the other party all reasonable expenses of such litigation (including
any appeals), including, but not limited to, reasonable attorneys' fees and disbursements.

 

		8.	Waiver of Jury Trial. EMPLOYEE AND THE COMPANY HEREBY
WAIVE THE RIGHT TO A TRIAL BY JURY IN THE EVENT OF ANY DISPUTE WHICH ARISES UNDER THIS AGREEMENT OR WHICH CONCERNS THE EMPLOYEE’S
EMPLOYMENT WITH OR SEPARATION FROM THE COMPANY.

 

		9.	Governing Law. The Agreement shall be governed by and construed in accordance with the laws of the State of Ohio without
regard to its conflicts of laws principles.

 

		10.	Venue; Jurisdiction; Service of Process. Any legal action for damages, or any equitable proceeding for injunctive
relief (temporary restraining order, preliminary injunction or permanent injunction), arising out of or relating to a breach or
threatened breach of this Agreement or the Employee’s employment with or separation from the Company, shall be brought exclusively
in the state or federal courts located in Franklin County, Ohio, and each of the Parties irrevocably submits to the personal jurisdiction
of each such court in any such action or proceeding, waives any objection it may now or hereafter have to venue or to convenience
of forum, agrees that all claims in respect of the action or proceeding shall be heard and determined only in any such court and
agrees not to bring any action or proceeding arising out of or relating to this Agreement in any other court. The Parties agree
that either or both of them may file a copy of this Section with any court as written evidence of the knowing, voluntary and bargained
agreement between the Parties irrevocably to waive any objections to venue or to convenience of forum. Process in any action or
proceeding referred to in the first sentence of this section may be served on any party, via certified or overnight express mail,
anywhere in the world.

 

    	-10-

    	 

    

 

		11.	Validity. The invalidity or unenforceability of any provision or provisions of this Agreement shall not affect the validity
or enforceability of any other provision of the Agreement, which shall remain in full force and effect.

 

		12.	Compliance with Section 409A of the Internal Revenue
Code. If, when the Employee’s employment with the Company terminates, the Employee is a "specified employee"
as defined in Section 409A(a)(1)(B)(i) of the Internal Revenue Code, and if any payments under this Agreement, including payments
under Section 4, are considered nonqualified deferred compensation that could result in additional tax or interest to the Employee
under Section 409A(a)(1)(B) ("Section 409A Penalties"), then despite any provision of this Agreement to the contrary,
the Employee will not be entitled to payments until the earliest of (a) the date that is at least six months after termination
of the Employee's employment for reasons other than the Employee's death, (b) the date of the Employee's death, or (c) any earlier
date that does not result in Section 409A Penalties to the Employee. As soon as practicable after the end of the period during
which payments are delayed under this provision, the entire amount of the delayed payments shall be paid to the Employee in a
lump sum. Additionally, if any provision of this Agreement would subject the Employee to Section 409A Penalties, the Company will
apply such provision in a manner consistent with Section 409A of the Internal Revenue Code during any period in which an arrangement
is permitted to comply operationally with Section 409A of the Internal Revenue Code and before a formal amendment to this Agreement
is required. For purposes of this Agreement, any reference to the Employee's termination of employment will mean that the Employee
has incurred a "separation from service" under Section 409A of the Internal Revenue Code of 1986, as amended, and any
guidance thereunder. In addition, any reference to a "Change in Control" under this Agreement will be interpreted in
a manner consistent with the descriptions of a "change in control event" under Section 409A of the Internal Revenue
Code.

 

			With respect to reimbursements and notwithstanding anything to the contrary in this Agreement, all reimbursements shall be
made within 10 days after the Company has received the appropriate receipts and documentation from the Employee and in accordance
with the requirements of Section 409A of the Internal Revenue Code, including, where applicable, the requirement that (i) any reimbursement
is for expenses incurred during the Employee's lifetime (or during a shorter period of time specified in this Agreement); (ii)
the amount of expenses eligible for reimbursement, or in kind benefits provided, during a calendar year may not affect the expenses
eligible for reimbursement, or in kind benefits to be provided, in any other calendar year; (iii) the reimbursement of an eligible
expense will be made no later than the last day of the calendar year following the year in which the expense is incurred; and (iv)
the right to reimbursement or in kind benefits is not subject to liquidation or exchange for another benefit.

 

			For purposes of the limitations on nonqualified deferred compensation
under Section 409A of the Code, each payment of compensation under this Agreement shall be treated as a separate payment of compensation
for purposes of applying the Section 409A of the Code deferral election rules and the exclusion under Section 409A of the Code
for certain short-term deferral amounts. In no event may the Executive, directly or indirectly, designate the calendar year of
any payment under this Agreement.

 

    	-11-

    	 

    

 

		13.	Entire Agreement. This Agreement, together with
the Proprietary Information Agreement referenced above, constitutes the entire understanding between the Parties with respect
to the subject matter hereof, and supersedes all negotiations, prior discussions, and preliminary agreements to this Agreement.
As of the Effective Date of this Agreement, this Agreement also replaces and supersedes the Parties' November 1, 2012 Employment
Agreement, which the Parties agree is rendered null and void as of the Effective Date of this Agreement. This Agreement also may
not be amended except in writing executed by the Parties hereto.

 

		14.	Effect on Successors of Interest. This Agreement shall inure to the benefit of and be binding upon heirs, administrators,
executors, successors and assigns of each of the Parties hereto. Notwithstanding the above, the Employee recognizes and agrees
that her obligations under this Agreement may not be assigned without the prior written consent of the Company. The Company, however,
may assign its rights and obligations under this Agreement.

 

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

 

	NAVIDEA BIOPHARMACEUTICALS,	 	EMPLOYEE
	INC.	 	 
	 	 	 
	By:	/s/ Mark J. Pykett	 	/s/ Cornelia Reininger
	 	 Mark J. Pykett	 	Cornelia Reininger, MD, PhD
	 	 Chief Executive Officer	 	 

 

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blank]

 

    	-12-

    	 

    

 

Exhibit
A

 

Associate Professor of Surgery and External Lecturer at Ludwig
Maximillian University – Munich Germany

 

    	-13-

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