Document:

Exhibit
10.2

 

PLACEMENT
AGENCY AGREEMENT

 

October
7 2020

 

Ladenburg
Thalmann & Co. Inc.

999
Vanderbilt Beach Road, Suite 200

Naples,
Florida 34105

 

Ladies
and Gentlemen:

 

Introduction.
Subject to the terms and conditions herein (this “Agreement”), Hancock Jaffe Laboratories, Inc., a Delaware
corporation (the “Company”), hereby agrees to sell up to an aggregate of $5,099,999.32 of securities of the
Company, including, but not limited to, 9,532,709 registered shares (the “Shares”) of the Company’s common
stock, $0.00001 par value per share (the “Common Stock”), and unregistered Common Stock purchase warrants to
purchase up to an aggregate of 9,532,709 shares of Common Stock (the “Warrants” and the shares of Common Stock
issuable upon exercise of the Warrants, the “Warrant Shares”) (the Shares, the Warrants and Warrant Shares,
collectively, the “Securities”) directly to various investors (each, an “Investor” and,
collectively, the “Investors”) through Ladenburg Thalmann & Co. Inc. (the “Placement Agent”)
as placement agent. The documents executed and delivered by the Company and the Investors in connection with the Offering (as
defined below), including, without limitation, a securities purchase agreement(s) (the “Purchase Agreement”),
shall be collectively referred to herein as the “Transaction Documents.” The Placement Agent may retain other
brokers or dealers to act as sub-agents or selected-dealers on its behalf in connection with the Offering (as defined below).

 

The
Company hereby confirms its agreement with the Placement Agent as follows:

 

Section
1. Agreement to Act as Placement Agent. 

 

(a)
On the basis of the representations, warranties and agreements of the Company herein contained, and subject to all the terms and
conditions of this Agreement, the Placement Agent shall be the exclusive placement agent in connection with the offering and sale
by the Company of the Shares pursuant to the Company’s registration statement on Form S-3 (File No. 333-237592) (the “Registration
Statement”) (such offering, the “Registered Offering”) and a concurrent private placement of the
Warrants (such private placement, the “Private Placement” and, together with the Registered Offering, the “Offering”)
with the terms of the Offering to be subject to market conditions and negotiations between the Company, the Placement Agent and
the prospective Investors. The Placement Agent will act on a reasonable best efforts basis and the Company agrees and acknowledges
that there is no guarantee of the successful placement of the Securities, or any portion thereof, in the prospective Offering.
Under no circumstances will the Placement Agent or any of its “Affiliates” (as defined below) be obligated to underwrite
or purchase any of the Securities for its own account or otherwise provide any financing. The Placement Agent shall act solely
as the Company’s agent and not as principal. The Placement Agent shall have no authority to bind the Company with respect
to any prospective offer to purchase Securities and the Company shall have the sole right to accept offers to purchase Securities
and may reject any such offer, in whole or in part. Subject to the terms and conditions hereof, payment of the purchase price
for, and delivery of, the Securities shall be made at one or more closings (each a “Closing” and the date on
which each Closing occurs, a “Closing Date”). As compensation for services rendered, on each Closing Date,
the Company shall pay to the Placement Agent the fees and expenses set forth below:

 

(i)
A cash fee equal to 8.0% of the gross proceeds received by the Company from the sale of the Securities at the closing of the Offering
(the “Closing”).

 

    	-1-

     

    

 

(ii)
A management fee equal to 1.5% of the gross proceeds received by the Company from the sale of the Securities at the Closing. 

 

(iii)
Such number of Common Stock purchase warrants (the “Placement Agent Warrants”) to the Placement Agent or its
designees at the Closing to purchase shares of Common Stock equal to 6% of the aggregate number of Shares sold in the Offering.
The Placement Agent Warrants shall have the same terms as the Warrants issued to the Investors in the Offering except that the
exercise price shall be 125% of the public offering price per share and shall have an expiration date of five years from the effective
date of the Registration Statement (as further defined below).

 

(iii)
The Company also agrees to reimburse Placement Agent’s actual and incurred expenses up to $80,000 (inclusive of Placement
Agent’s legal counsel fees) which shall be payable upon Closing of the Offering, provided that such expense cap in no way
limits or impairs the indemnification and contribution provisions of this Agreement.

 

(b)
The term of the Placement Agent’s exclusive engagement will be as provided in Section 2 of that certain Investment Banking
Agreement dated June 16, 2020 between the Company and the Placement Agent (the “Investment Banking Agreement”).
Notwithstanding anything to the contrary contained herein, the provisions concerning confidentiality, indemnification and contribution
contained herein and the Company’s obligations contained in the indemnification provisions will survive any expiration or
termination of this Agreement, and the Company’s obligation to pay fees actually earned and payable and to reimburse expenses
actually incurred and reimbursable pursuant to Section 1 hereof and which are permitted to be reimbursed under FINRA Rule 5110(f)(2)(D)(i),
will survive any expiration or termination of this Agreement. Nothing in this Agreement shall be construed to limit the ability
of the Placement Agent or its Affiliates to pursue, investigate, analyze, invest in, or engage in investment banking, financial
advisory or any other business relationship with Persons (as defined below) other than the Company. As used herein (i) “Persons”
means an individual or corporation, partnership, trust, incorporated or unincorporated association, joint venture, limited liability
company, joint stock company, government (or an agency or subdivision thereof) or other entity of any kind and (ii) “Affiliate”
means any Person that, directly or indirectly through one or more intermediaries, controls or is controlled by or is under common
control with a Person as such terms are used in and construed under Rule 405 under the Securities Act of 1933, as amended (the
“Securities Act”).

 

    	-2-

     

    

 

(c)
Intentionally omitted.

 

Section
2. Representations, Warranties and Covenants of the Company. The Company hereby represents, warrants and covenants to the
Placement Agent as of the date hereof, and as of each Closing Date, as follows:

 

(a)
Securities Law Filings. The Company has filed with the Securities and Exchange Commission (the “Commission”)
the Registration Statement under the Securities Act, which was filed on April 7, 2020 and declared effective on April 16, 2020
for the registration of the Shares under the Securities Act. Following the determination of pricing among the Company and the
prospective Investors introduced to the Company by the Placement Agent, the Company will file with the Commission pursuant to
Rule 424(b) under the Securities Act, and the rules and regulations (the “Rules and Regulations”) of the Commission
promulgated thereunder, a prospectus supplement relating to the placement of the Shares, their respective pricing and the plan
of distribution thereof and will advise the Placement Agent of all further information (financial and other) with respect to the
Company required to be set forth therein. Such registration statement, at any given time, including the exhibits thereto filed
at such time, as amended at such time, is hereinafter called the “Registration Statement”; such prospectus
in the form in which it appears in the Registration Statement at the time of effectiveness, together with any preliminary prospectus
supplement relating to the Offering, if any (the “Preliminary Prospectus Supplement”) is hereinafter called
the “Base Prospectus”; and the final prospectus supplement, in the form in which it will be filed with the
Commission pursuant to Rule 424(b) (including the Base Prospectus as it may be amended or supplemented) is hereinafter called
the “Final Prospectus Supplement.” The Registration Statement at the time it originally became effective is
hereinafter called the “Original Registration Statement.” Any reference in this Agreement to the Registration
Statement, the Original Registration Statement, the Base Prospectus, the Preliminary Prospectus Supplement, if any or the Final
Prospectus Supplement shall be deemed to refer to and include the documents incorporated by reference therein (the “Incorporated
Documents”), if any, which were or are filed under the Securities Exchange Act of 1934, as amended (the “Exchange
Act”), at any given time, as the case may be; and any reference in this Agreement to the terms “amend,”
“amendment” or “supplement” with respect to the Registration Statement, the Original Registration Statement,
the Base Prospectus, the Preliminary Prospectus Supplement or the Final Prospectus Supplement shall be deemed to refer to and
include the filing of any document under the Exchange Act after the date of this Agreement, or the issue date of the Base Prospectus,
the Preliminary Prospectus Supplement or the Final Prospectus Supplement, as the case may be, deemed to be incorporated therein
by reference. All references in this Agreement to financial statements and schedules and other information which is “contained,”
“included,” “described,” “referenced,” “set forth” or “stated” in
the Registration Statement, the Base Prospectus, the Preliminary Prospectus Supplement or the Final Prospectus Supplement (and
all other references of like import) shall be deemed to mean and include all such financial statements and schedules and other
information which is or is deemed to be incorporated by reference in the Registration Statement, the Base Prospectus, the Preliminary
Prospectus Supplement or the Final Prospectus Supplement, as the case may be. As used in this paragraph and elsewhere in this
Agreement, “Time of Sale Disclosure Package” means the Base Prospectus, any preliminary prospectus supplement,
the Final Prospectus Supplement any securities purchase agreement between the Company and the Investors, and any issuer free writing
prospectus as defined in Rule 433 of the Act (each, an “Issuer Free Writing Prospectus”), if any, that the
parties hereto shall hereafter expressly agree in writing to treat as part of the Time of Sale Disclosure Package. The term “any
Prospectus Supplement” shall mean, as the context requires, the Base Prospectus, the Final Prospectus Supplement, and
any supplement to either thereof. The Company has not received any notice that the Commission has issued or intends to issue a
stop order suspending the effectiveness of the Registration Statement or the use of the Base Prospectus or any Prospectus Supplement
or intends to commence a proceeding for any such purpose.

 

    	-3-

     

    

 

(b)
Assurances. The Original Registration Statement, as amended, (and any further documents to be filed with the Commission)
contains all exhibits and schedules as required by the Securities Act. Each of the Registration Statement and any post-effective
amendment thereto, at the time it became effective, complied in all material respects with the Securities Act and the applicable
Rules and Regulations and did not contain any untrue statement of a material fact or omit to state a material fact required to
be stated therein or necessary to make the statements therein not misleading. The Base Prospectus, and the Prospectus Supplement,
each as of its respective date, comply or will comply in all material respects with the Securities Act and the applicable Rules
and Regulations. Each of the Base Prospectus and the Prospectus Supplement, as amended or supplemented, did not and will not contain
as of the date thereof any untrue statement of a material fact or omit to state a material fact necessary in order to make the
statements therein, in light of the circumstances under which they were made, not misleading. The Incorporated Documents, when
they were filed with the Commission, conformed in all material respects to the requirements of the Exchange Act and the applicable
Rules and Regulations promulgated thereunder, and none of such documents, when they were filed with the Commission, contained
any untrue statement of a material fact or omitted to state a material fact necessary to make the statements therein (with respect
to Incorporated Documents incorporated by reference in the Base Prospectus or Prospectus Supplement), in light of the circumstances
under which they were made not misleading. No post-effective amendment to the Registration Statement reflecting any facts or events
arising after the date thereof which represent, individually or in the aggregate, a fundamental change in the information set
forth therein is required to be filed with the Commission. There are no documents required to be filed with the Commission in
connection with the transaction contemplated hereby that (x) have not been filed as required pursuant to the Securities Act or
(y) will not be filed within the requisite time period. There are no contracts or other documents required to be described in
the Base Prospectus or Prospectus Supplement, or to be filed as exhibits or schedules to the Registration Statement, which have
not been described or filed as required.

 

    	-4-

     

    

 

(c)
Offering Materials. Neither the Company nor any of its directors and officers has distributed and none of them will distribute,
prior to each Closing Date, any offering material in connection with the offering and sale of the Securities other than the Base
Prospectus, the Prospectus Supplement, the Registration Statement, copies of the documents incorporated by reference therein and
any other materials permitted by the Securities Act.

 

(d)
Authorization; Enforcement. The Company has the requisite corporate power and authority to enter into and to consummate
the transactions contemplated by this Agreement and the Prospectus Supplement and otherwise to carry out its obligations hereunder
and thereunder. The execution and delivery of this Agreement by the Company and the consummation by it of the transactions contemplated
hereby and thereby and under the Prospectus Supplement have been duly authorized by all necessary action on the part of the Company
and no further action is required by the Company, the Company’s Board of Directors or an authorized committee thereof (the
“Board of Directors”) or the Company’s stockholders in connection therewith other than in connection
with the Required Approvals (as defined in the Purchase Agreement). This Agreement has been duly executed by the Company and,
when delivered in accordance with the terms hereof, will constitute the valid and binding obligation of the Company enforceable
against the Company in accordance with its terms, except (i) as limited by general equitable principles and applicable bankruptcy,
insolvency, reorganization, moratorium and other laws of general application affecting enforcement of creditors’ rights
generally, (ii) as limited by laws relating to the availability of specific performance, injunctive relief or other equitable
remedies and (iii) insofar as indemnification and contribution provisions may be limited by applicable law.

 

(e)
No Conflicts. The execution, delivery and performance by the Company of this Agreement and the transactions contemplated
pursuant to the Prospectus Supplement, the issuance and sale of the Securities and the consummation by it of the transactions
contemplated hereby and thereby to which it is a party do not (i) conflict with or violate any provision of the Company’s
or any subsidiary’s certificate or articles of incorporation, bylaws or other organizational or charter documents, or (ii)
conflict with, or constitute a default (or an event that with notice or lapse of time or both would become a default) under, result
in the creation of any Lien (as defined in the Purchase Agreement) upon any of the properties or assets of the Company or any
subsidiary, or give to others any rights of termination, amendment, acceleration or cancellation (with or without notice, lapse
of time or both) of, any agreement, credit facility, debt or other instrument (evidencing a Company or subsidiary debt or otherwise)
or other understanding to which the Company or any subsidiary is a party or by which any property or asset of the Company or any
subsidiary is bound or affected, or (iii) subject to the Required Approvals, conflict with or result in a violation of any law,
rule, regulation, order, judgment, injunction, decree or other restriction of any court or governmental authority to which the
Company or a subsidiary is subject (including federal and state securities laws and regulations), or by which any property or
asset of the Company or a subsidiary is bound or affected; except in the case of each of clauses (ii) and (iii), such as could
not have or reasonably be expected to result in a Material Adverse Effect (as defined in the Purchase Agreement).

 

    	-5-

     

    

 

(f)
Certificates. Any certificate signed by an officer of the Company and delivered to the Placement Agent or to counsel for
the Placement Agent shall be deemed to be a representation and warranty by the Company to the Placement Agent as to the matters
set forth therein.

 

(g)
Reliance. The Company acknowledges that the Placement Agent will rely upon the accuracy and truthfulness of the foregoing
representations and warranties and hereby consents to such reliance.

 

(h)
Forward-Looking Statements. No forward-looking statements (within the meaning of Section 27A of the Securities Act and
Section 21E of the Exchange Act) contained in the Registration Statement, the Base Prospectus or the Prospectus Supplement has
been made or reaffirmed without a reasonable basis or has been disclosed other than in good faith.

 

(i)
Statistical or Market-Related Data. Any statistical, industry-related and market-related data included or incorporated
by reference in the Registration Statement, the Base Prospectus and the Prospectus Supplement, are based on or derived from sources
that the Company reasonably and in good faith believes to be reliable and accurate.

 

(j)
FINRA Affiliations. There are no affiliations with any FINRA member firm that is participating in the Registered Offering
among the Company’s officers or directors.

 

(k)
Representations and Warranties Incorporated by Reference. Each of the representations and warranties (together with any
related disclosure schedules thereto) made by the Company to the Investors in the Purchase Agreement is hereby incorporated herein
by reference (as though fully restated herein) and is hereby made to, and in favor of, the Placement Agent.

 

    	-6-

     

    

 

Section
3. Delivery and Payment. Each Closing shall occur at the offices of Sheppard, Mullin, Richter & Hampton LLP, 30 Rockefeller
Plaza, New York, New York 10112 (“Placement Agent Counsel”) (or at such other place as shall be agreed upon
by the Placement Agent and the Company). Subject to the terms and conditions hereof, at each Closing payment of the purchase price
for the Securities sold on such Closing Date shall be made by Federal Funds wire transfer, against delivery of such Securities,
and such Securities shall be registered in such name or names and shall be in such denominations, as the Placement Agent may request
at least one business day before the time of purchase (as defined below).

 

Deliveries
of the documents with respect to the purchase of the Securities, if any, shall be made at the offices of Placement Agent Counsel.
All actions taken at a Closing shall be deemed to have occurred simultaneously.

 

Section
4. Covenants and Agreements of the Company. The Company further covenants and agrees with the Placement Agent as follows:

 

(a)
Registration Statement Matters. The Company will advise the Placement Agent promptly after it receives notice thereof of
the time when any amendment to the Registration Statement has been filed or becomes effective or any supplement to any Prospectus
Supplement or any amended Prospectus Supplement has been filed and will furnish the Placement Agent with copies thereof. The Company
will file promptly all reports and any definitive proxy or information statements required to be filed by the Company with the
Commission pursuant to Section 13(a), 14 or 15(d) of the Exchange Act subsequent to the date of any Prospectus Supplement and
for so long as the delivery of a prospectus is required in connection with the Offering. The Company will advise the Placement
Agent, promptly after it receives notice thereof (i) of any request by the Commission to amend the Registration Statement or to
amend or supplement any Prospectus Supplement or for additional information, and (ii) of the issuance by the Commission of any
stop order suspending the effectiveness of the Registration Statement or any post-effective amendment thereto or any order directed
at any Incorporated Document, if any, or any amendment or supplement thereto or any order preventing or suspending the use of
the Base Prospectus or any Prospectus Supplement or any amendment or supplement thereto or any post-effective amendment to the
Registration Statement, of the suspension of the qualification of the Securities for offering or sale in any jurisdiction, of
the institution or threatened institution of any proceeding for any such purpose, or of any request by the Commission for the
amending or supplementing of the Registration Statement or a Prospectus Supplement or for additional information. The Company
shall use its best efforts to prevent the issuance of any such stop order or prevention or suspension of such use. If the Commission
shall enter any such stop order or order or notice of prevention or suspension at any time prior to the completion of the Offering,
the Company will use its best efforts to obtain the lifting of such order at the earliest possible moment, or will file a new
registration statement and use its best efforts to have such new registration statement declared effective as soon as practicable.
Additionally, the Company agrees that in connection with the Offering, it shall comply with the provisions of Rules 424(b), 430A,
430B and 430C, as applicable, under the Securities Act, including with respect to the timely filing of documents thereunder, and
will use its reasonable efforts to confirm that any filings made by the Company under such Rule 424(b) are received in a timely
manner by the Commission.

 

    	-7-

     

    

 

(b)
Blue Sky Compliance. The Company will cooperate with the Placement Agent and the Investors in endeavoring to qualify the
Securities for sale under the securities laws of such jurisdictions (United States and foreign) as the Placement Agent and the
Investors may reasonably request and will make such applications, file such documents, and furnish such information as may be
reasonably required for that purpose, provided the Company shall not be required to qualify as a foreign corporation or to file
a general consent to service of process in any jurisdiction where it is not now so qualified or required to file such a consent,
and provided further that the Company shall not be required to produce any new disclosure document other than a Prospectus Supplement.
The Company will, from time to time, prepare and file such statements, reports and other documents as are or may be required to
continue such qualifications in effect for so long a period as the Placement Agent may reasonably request for distribution of
the Securities. The Company will advise the Placement Agent promptly of the suspension of the qualification or registration of
(or any such exemption relating to) the Securities for offering, sale or trading in any jurisdiction or any initiation or threat
of any proceeding for any such purpose, and in the event of the issuance of any order suspending such qualification, registration
or exemption, the Company shall use its best efforts to obtain the withdrawal thereof at the earliest possible moment.

 

(c)
Amendments and Supplements to a Prospectus Supplement and Other Matters. The Company will comply with the Securities Act
and the Exchange Act, and the rules and regulations of the Commission thereunder, so as to permit the completion of the distribution
of the Securities as contemplated in this Agreement, the Incorporated Documents and any Prospectus Supplement. If during the period
in which a prospectus is required by law to be delivered in connection with the distribution of Shares contemplated by the Incorporated
Documents or any Prospectus Supplement (the “Prospectus Delivery Period”), any event shall occur as a result
of which, in the judgment of the Company or in the reasonable opinion of the Placement Agent or counsel for the Placement Agent,
it becomes necessary to amend or supplement the Incorporated Documents or any Prospectus Supplement in order to make the statements
therein, in the light of the circumstances under which they were made, as the case may be, not misleading, or if it is necessary
at any time to amend or supplement the Incorporated Documents or any Prospectus Supplement or to file under the Exchange Act any
Incorporated Document to comply with any law, the Company will promptly prepare and file with the Commission, and furnish at its
own expense to the Placement Agent and to dealers, an appropriate amendment to the Registration Statement or supplement to the
Registration Statement, the Incorporated Documents or any Prospectus Supplement that is necessary in order to make the statements
in the Incorporated Documents and any Prospectus Supplement as so amended or supplemented, in the light of the circumstances under
which they were made, as the case may be, not misleading, or so that the Registration Statement, the Incorporated Documents or
any Prospectus Supplement, as so amended or supplemented, will comply with law. Before amending the Registration Statement or
supplementing the Incorporated Documents or any Prospectus Supplement in connection with the Offering, the Company will furnish
the Placement Agent with a copy of such proposed amendment or supplement and will not file any such amendment or supplement to
which the Placement Agent reasonably objects. 

 

    	-8-

     

    

 

(d)
Copies of any Amendments and Supplements to a Prospectus Supplement. The Company will furnish the Placement Agent, without
charge, during the period beginning on the date hereof and ending on the later of the last Closing Date of the Offering, as many
copies of the Incorporated Documents and any Prospectus Supplement and any amendments and supplements thereto (including any Incorporated
Documents, if any) as the Placement Agent may reasonably request. 

 

(e)
Free Writing Prospectus. The Company covenants that it will not, unless it obtains the prior written consent of the Placement
Agent, make any offer relating to the Shares that would constitute an Company Free Writing Prospectus or that would otherwise
constitute a “free writing prospectus” (as defined in Rule 405 of the Securities Act) required to be filed
by the Company with the Commission or retained by the Company under Rule 433 of the Securities Act. In the event that the Placement
Agent expressly consents in writing to any such free writing prospectus (a “Permitted Free Writing Prospectus”),
the Company covenants that it shall (i) treat each Permitted Free Writing Prospectus as an Company Free Writing Prospectus, and
(ii) comply with the requirements of Rule 164 and 433 of the Securities Act applicable to such Permitted Free Writing Prospectus,
including in respect of timely filing with the Commission, legending and record keeping.

 

(f)
Transfer Agent. The Company will maintain, at its expense, a registrar and transfer agent for the Common Stock for at least
the next three (3) years. 

 

(g)
No Manipulation of Price. The Company will not take, directly or indirectly, any action designed to cause or result
in, or that has constituted or might reasonably be expected to constitute, the stabilization or manipulation of the price of any
securities of the Company.

 

(h)
Acknowledgment. The Company acknowledges that any advice given by the Placement Agent to the Company is solely for the
benefit and use of the Board of Directors of the Company and may not be used, reproduced, disseminated, quoted or referred to,
without the Placement Agent’s prior written consent.

 

(i)
Announcement of Offering. The Company acknowledges and agrees that the Placement Agent may, subsequent to the Closing,
make public its involvement with the Offering.

 

(j)
Reliance on Others. The Company confirms that it will rely on its own counsel and accountants for legal and accounting
advice.

 

(k)
Research Matters. By entering into this Agreement, the Placement Agent does
not provide any promise, either explicitly or implicitly, of favorable or continued research coverage of the Company and the Company
hereby acknowledges and agrees that the Placement Agent’s selection as a placement agent for the Offering was in no way
conditioned, explicitly or implicitly, on the Placement Agent providing favorable or any research coverage of the Company. In
accordance with FINRA Rule 2711(e), the parties acknowledge and agree that the Placement Agent has not directly or indirectly
offered favorable research, a specific rating or a specific price target, or threatened to change research, a rating or a price
target, to the Company or inducement for the receipt of business or compensation.

 

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Section
5. Conditions of the Obligations of the Placement Agent. The obligations of the Placement Agent hereunder shall be subject
to the accuracy of the representations and warranties on the part of the Company set forth in Section 2 hereof, in each case as
of the date hereof and as of each Closing Date as though then made, to the timely performance by each of the Company of its covenants
and other obligations hereunder on and as of such dates, and to each of the following additional conditions: 

 

(a)
Compliance with Registration Requirements; No Stop Order; No Objection from the FINRA. Each Prospectus Supplement (in accordance
with Rule 424(b)) and “free writing prospectus” (as defined in Rule 405 of the Securities Act), if any, shall
have been duly filed with the Commission, as appropriate; no stop order suspending the effectiveness of the Registration Statement
or any part thereof shall have been issued and no proceeding for that purpose shall have been initiated or threatened by the Commission;
no order preventing or suspending the use of any Prospectus Supplement shall have been issued and no proceeding for that purpose
shall have been initiated or threatened by the Commission; no order having the effect of ceasing or suspending the distribution
of the Securities or any other securities of the Company shall have been issued by any securities commission, securities regulatory
authority or stock exchange and no proceedings for that purpose shall have been instituted or shall be pending or, to the knowledge
of the Company, contemplated by any securities commission, securities regulatory authority or stock exchange; all requests for
additional information on the part of the Commission shall have been complied with; and the FINRA shall have raised no objection
to the fairness and reasonableness of the placement terms and arrangements. 

 

(b)
Corporate Proceedings. All corporate proceedings and other legal matters in connection with this Agreement, the Registration
Statement and each Prospectus Supplement, and the registration, sale and delivery of the Securities, shall have been completed
or resolved in a manner reasonably satisfactory to the Placement Agent’s counsel, and such counsel shall have been furnished
with such papers and information as it may reasonably have requested to enable such counsel to pass upon the matters referred
to in this Section 5. 

 

(c)
No Material Adverse Effect. Subsequent to the execution and delivery of this Agreement and prior to each Closing Date,
in the Placement Agent’s sole judgment after consultation with the Company, there shall not have occurred any Material Adverse
Effect (as defined in the Purchase Agreement) or development involving a prospective material adverse change in the condition
or the business activities, financial or otherwise, of the Company from the latest dates as of which such condition is set forth
in the Registration Statement and Prospectus. 

 

    	-10-

     

    

 

(d)
Opinion of Counsel for the Company. The Placement Agent shall have received on each Closing Date the favorable opinion
of legal counsel to the Company, dated as of such Closing Date, including, without limitation, a negative assurance letter addressed
to the Placement Agent and in form and substance satisfactory to the Placement Agent.

 

(e)
Officers’ Certificate. The Placement Agent shall have received on each Closing Date a certificate of the Company,
dated as of such Closing Date, signed by the Chief Executive Officer and Chief Financial Officer of the Company, to the effect
that, and the Placement Agent shall be satisfied that, the signers of such certificate have reviewed the Registration Statement,
the Incorporated Documents, any Prospectus Supplement, and this Agreement and to the further effect that: 

 

(i)
The representations and warranties of the Company in this Agreement are true and correct, as if made on and as of such Closing
Date, and the Company has complied with all the agreements and satisfied all the conditions on its part to be performed or satisfied
at or prior to such Closing Date; 

 

(ii)
No stop order suspending the effectiveness of the Registration Statement or the use of the Base Prospectus or any Prospectus Supplement
has been issued and no proceedings for that purpose have been instituted or are pending or, to the Company’s knowledge,
threatened under the Securities Act; no order having the effect of ceasing or suspending the distribution of the Securities or
any other securities of the Company has been issued by any securities commission, securities regulatory authority or stock exchange
in the United States and no proceedings for that purpose have been instituted or are pending or, to the knowledge of the Company,
contemplated by any securities commission, securities regulatory authority or stock exchange in the United States; 

 

(iii)
When the Registration Statement became effective, at the time of sale, and at all times subsequent thereto up to the delivery
of such certificate, the Registration Statement and the Incorporated Documents, if any, when such documents became effective or
were filed with the Commission, and any Prospectus Supplement, contained all material information required to be included therein
by the Securities Act and the Exchange Act and the applicable rules and regulations of the Commission thereunder, as the case
may be, and in all material respects conformed to the requirements of the Securities Act and the Exchange Act and the applicable
rules and regulations of the Commission thereunder, as the case may be, and the Registration Statement and the Incorporated Documents,
if any, and any Prospectus Supplement, did not and do not include any untrue statement of a material fact or omit to state a material
fact required to be stated therein or necessary to make the statements therein, in the light of the circumstances under which
they were made, not misleading (provided, however, that the preceding representations and warranties contained in this paragraph
(iii) shall not apply to any statements or omissions made in reliance upon and in conformity with information furnished in writing
to the Company by the Placement Agent expressly for use therein) and, since the effective date of the Registration Statement,
there has occurred no event required by the Securities Act and the rules and regulations of the Commission thereunder to be set
forth in the Incorporated Documents which has not been so set forth; and

 

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(iv)
Subsequent to the respective dates as of which information is given in the Registration Statement, the Incorporated Documents
and any Prospectus Supplement, there has not been: (a) any Material Adverse Effect; (b) any transaction that is material to the
Company and the subsidiaries taken as a whole, except transactions entered into in the ordinary course of business; (c) any obligation,
direct or contingent, that is material to the Company and the subsidiaries taken as a whole, incurred by the Company or any subsidiary,
except obligations incurred in the ordinary course of business; (d) any material change in the capital stock (except changes thereto
resulting from the exercise of outstanding stock options or warrants) or outstanding indebtedness of the Company or any subsidiary;
(e) any dividend or distribution of any kind declared, paid or made on the capital stock of the Company; or (f) any loss or damage
(whether or not insured) to the property of the Company or any subsidiary which has been sustained or will have been sustained
which has a Material Adverse Effect.

 

(f)
Stock Exchange Listing. The Common Stock shall be registered under the Exchange Act and shall be listed on the Trading
Market, and the Company shall not have taken any action designed to terminate, or likely to have the effect of terminating, the
registration of the Common Stock under the Exchange Act or delisting or suspending from trading the Common Stock from the Trading
Market, nor shall the Company have received any information suggesting that the Commission or the Trading Market is contemplating
terminating such registration or listing. 

 

(g)
Additional Documents. On or before each Closing Date, the Placement Agent and counsel for the Placement Agent shall have
received such information and documents as they may reasonably require for the purposes of enabling them to pass upon the issuance
and sale of the Securities as contemplated herein, or in order to evidence the accuracy of any of the representations and warranties,
or the satisfaction of any of the conditions or agreements, herein contained. 

 

If
any condition specified in this Section 5 is not satisfied when and as required to be satisfied, this Agreement may be terminated
by the Placement Agent by notice to the Company at any time on or prior to a Closing Date, which termination shall be without
liability on the part of any party to any other party, except that Section 6 (Payment of Expenses), Section 7 (Indemnification
and Contribution) and Section 8 (Representations and Indemnities to Survive Delivery) shall at all times be effective and shall
survive such termination.

 

    	-12-

     

    

 

Section
6. Payment of Expenses. The Company agrees to pay all costs, fees and expenses incurred by the Company in connection with
the performance of its obligations hereunder and in connection with the transactions contemplated hereby, including, without limitation:
(i) all expenses incident to the issuance, delivery and qualification of the Securities (including all printing and engraving
costs); (ii) all fees and expenses of the registrar and transfer agent of the Common Stock; (iii) all necessary issue, transfer
and other stamp taxes in connection with the issuance and sale of the Securities; (iv) all fees and expenses of the Company’s
counsel, independent public or certified public accountants and other advisors; (v) all costs and expenses incurred in connection
with the preparation, printing, filing, shipping and distribution of the Registration Statement (including financial statements,
exhibits, schedules, consents and certificates of experts), the Base Prospectus and each Prospectus Supplement, and all amendments
and supplements thereto, and this Agreement; (vi) all filing fees, reasonable attorneys’ fees and expenses incurred by the
Company or the Placement Agent in connection with qualifying or registering (or obtaining exemptions from the qualification or
registration of) all or any part of the Securities for offer and sale under the state securities or blue sky laws or the securities
laws of any other country, and, if requested by the Placement Agent, preparing and printing a “Blue Sky Survey,”
an “International Blue Sky Survey” or other memorandum, and any supplements thereto, advising the Placement
Agent of such qualifications, registrations and exemptions; (vii) if applicable, the filing fees incident to the review and approval
by the FINRA of the Placement Agent’s participation in the offering and distribution of the Shares; (viii) the fees and
expenses associated with including the Shares and the Warrant Shares on the Trading Market; (ix) all costs and expenses incident
to the travel and accommodation of the Company’s and the Placement Agent’s employees on the “roadshow,”
if any; and (x) all other fees, costs and expenses of the Company related to the Offering. 

 

Section
7. Indemnification and Contribution. The Company agrees to indemnify the Placement Agent in accordance with the provisions
of Exhibit A to the Investment Banking Agreement, which is incorporated by reference herein and made a part hereof. 

 

Section
8. Representations and Indemnities to Survive Delivery. The respective indemnities, agreements, representations, warranties
and other statements of the Company or any person controlling the Company, of its officers, and of the Placement Agent set forth
in or made pursuant to this Agreement will remain in full force and effect, regardless of any investigation made by or on behalf
of the Placement Agent, the Company, or any of its or their partners, officers or directors or any controlling person, as the
case may be, and will survive delivery of and payment for the Securities sold hereunder and any termination of this Agreement.
A successor to a Placement Agent, or to the Company, its directors or officers or any person controlling the Company, shall be
entitled to the benefits of the indemnity, contribution and reimbursement agreements contained in this Agreement. 

 

Section
9. Notices. All communications hereunder shall be in writing and shall be mailed, hand delivered, telecopied or e-mailed and
confirmed to the parties hereto as follows: 

 

If
to the Placement Agent to the address set forth above, attention: General Counsel, facsimile: (305) 572-4220

 

With
a copy to: 

 

Sheppard,
Mullin, Richter & Hampton LLP

30
Rockefeller Plaza

New
York, New York 10112

E-Mail:
rafriedman@sheppardmullin.com

Attention:
Richard Friedman

 

    	-13-

     

    

 

If
to the Company, 70 Doppler, Irvine, California 92618, attention: General Counsel 

 

With
a copy to: 

 

Ellenoff
Grossman & Schole LLP

1345
Avenue of the Americas, 11th Floor

New
York, New York 10105

E-Mail:
capmkts@egsllp.com

Attention:
Barry Grossman

 

Any
party hereto may change the address for receipt of communications by giving written notice to the others.

 

Section
10. Successors. This Agreement will inure to the benefit of and be binding upon the parties hereto, and to the benefit of
the employees, officers and directors and controlling persons referred to in Section 7 hereof, and to their respective successors,
and personal representative, and no other person will have any right or obligation hereunder. 

 

Section
11. Partial Unenforceability. The invalidity or unenforceability of any section, paragraph or provision of this Agreement
shall not affect the validity or enforceability of any other section, paragraph or provision hereof. If any Section, paragraph
or provision of this Agreement is for any reason determined to be invalid or unenforceable, there shall be deemed to be made such
minor changes (and only such minor changes) as are necessary to make it valid and enforceable. 

 

Section
12. Governing Law Provisions. This Agreement shall be deemed to have been made and delivered in New York City and both this
Agreement and the transactions contemplated hereby shall be governed as to validity, interpretation, construction, effect and
in all other respects by the internal laws of the State of New York, without regard to the conflict of laws principles thereof.
Each of the Placement Agent and the Company: (i) agrees that any legal suit, action or proceeding arising out of or relating to
this Agreement and/or the transactions contemplated hereby shall be instituted exclusively in New York Supreme Court, County of
New York, or in the United States District Court for the Southern District of New York, (ii) waives any objection which it may
have or hereafter to the venue of any such suit, action or proceeding, and (iii) irrevocably consents to the jurisdiction of the
New York Supreme Court, County of New York, and the United States District Court for the Southern District of New York in any
such suit, action or proceeding. Each of the Placement Agent and the Company further agrees to accept and acknowledge service
of any and all process which may be served in any such suit, action or proceeding in the New York Supreme Court, County of New
York, or in the United States District Court for the Southern District of New York and agrees that service of process upon the
Company mailed by certified mail to the Company’s address shall be deemed in every respect effective service of process
upon the Company, in any such suit, action or proceeding, and service of process upon the Placement Agent mailed by certified
mail to the Placement Agent’s address shall be deemed in every respect effective service process upon the Placement Agent,
in any such suit, action or proceeding. Notwithstanding any provision of this Agreement to the contrary, the Company agrees that
neither the Placement Agent nor its affiliates, and the respective officers, directors, employees, agents and representatives
of the Placement Agent, its affiliates and each other person, if any, controlling the Placement Agent or any of its affiliates,
shall have any liability (whether direct or indirect, in contract or tort or otherwise) to the Company for or in connection with
the engagement and transaction described herein except for any such liability for losses, claims, damages or liabilities incurred
by us that are finally judicially determined to have resulted from the willful misconduct or gross negligence of such individuals
or entities. If either party shall commence an action or proceeding to enforce any provision of this Agreement, then the prevailing
party in such action or proceeding shall be reimbursed by the other party for its reasonable attorney’s fees and other costs
and expenses incurred with the investigation, preparation and prosecution of such action or proceeding.

 

    	-14-

     

    

 

Section
13. General Provisions. 

 

(a)
This Agreement constitutes the entire agreement of the parties to this Agreement and supersedes all prior written or oral and
all contemporaneous oral agreements, understandings and negotiations with respect to the subject matter hereof. Notwithstanding
anything herein to the contrary, the Investment Banking Agreement between the Company and the Placement Agent, shall continue
to be effective and the terms therein shall continue to survive and be enforceable by the Placement Agent in accordance with its
terms, including, without limitation, Section 5 therein with respect to future offerings. This Agreement may be executed in two
or more counterparts, each one of which shall be an original, with the same effect as if the signatures thereto and hereto were
upon the same instrument. This Agreement may not be amended or modified unless in writing by all of the parties hereto, and no
condition herein (express or implied) may be waived unless waived in writing by each party whom the condition is meant to benefit.
Section headings herein are for the convenience of the parties only and shall not affect the construction or interpretation of
this Agreement.

 

(b)
The Company acknowledges that in connection with the offering of the Securities: (i) the Placement Agent has acted at arms length,
are not agents of, and owe no fiduciary duties to the Company or any other person, (ii) the Placement Agent owes the Company only
those duties and obligations set forth in this Agreement and (iii) the Placement Agent may have interests that differ from those
of the Company. The Company waives to the full extent permitted by applicable law any claims it may have against the Placement
Agent arising from an alleged breach of fiduciary duty in connection with the offering of the Securities.

 

[The
remainder of this page has been intentionally left blank.]

 

    	-15-

     

    

 

If
the foregoing is in accordance with your understanding of our agreement, please sign below whereupon this instrument, along with
all counterparts hereof, shall become a binding agreement in accordance with its terms.

 

	 	Very
    truly yours, 
	 	 
	 	HANCOCK
    JAFFE LABORATORIES, INC.,
	 	a
    Delaware corporation
	 	 	                     
	 	By:	 
	 	Name:	 
	 	Title:	 

 

The
foregoing Placement Agency Agreement is hereby confirmed and accepted as of the date first above written.

 

	LADENBURG THALMANN & CO. INC.	 
	 	 	 
	By:	 	 
	Name:	Nicholas
    Stergis	 
	Title:	Managing
    Director	 

 

    	-16-rell-ex4a_6.htm

Exhibit 4(a)

 

NUMBER CS 111241 COMMON STOCK PAR VALUE $.05 CS. THIS CERTIFICATE IS TRANSFERABLE IN CHICAGO, IL COMMON STOCK PAR VALUE $.05 INCORPORATED UNDER THE LAWS OF THE STATE OF DELAWARE CUSIP 763165 10 7 SEE REVERSE FOR CERTAIN DEFINITIONS Richardson Electronics, Ltd. THIS IS TO CERTIFY THAT IS THE OWNER OF FULLY PAID AND NON-ASSESSABLE SHARES OF COMMON STOCK OF Richardson Electronics, Ltd., transferable on the books of the Corporation in person or by duly authorized attorney upon surrender of this certificate properly endorsed. This certificate and the shares represented hereby are issued and shall be held subject to all the provisions of the Articles of Incorporation and by-laws of the Corporation and all amendments thereto, copies of which are kept on file with the Transfer Agent, to all of which the holder hereof by accepting this certificate assents. This certificate is not valid until countersigned and registered by the Transfer Agent and Registrar. Witness the facsimile seal of the Corporation and the facsimile signatures of its duly authorized officers. Dated: COUNTERSIGNED AND REGISTERED: ILLINOIS STOCK TRANSFER COMPANY (CHICAGO) TRANSFER AGENT AND REGISTRAR SECRETARY [ILLEGIBLE] CHAIRMAN Edward J. Richardson OF THE BOARD BY: AUTHORIZED OFFICER [ILLEGIBLE]

 

Columbia printing Services, LLC 59-4 Central Ave., Farmingdale, NY 11735 (516) 931-3800 Fax: (516) 931-3871 COVERSHEET PAGES (Including this sheet): 3 Wednesday, September 02, 2015 8:54:40 AM Richardson Electronics, Ltd. Michelle Perricone Phone: (630) 208-2718 40W267 Keslinger Road LaFox, IL 60147 Fax:   (630) 208-2522 NONE Phone: Fax: Broadridge Corporate Issuer Solutions, lnc.-14 51 Mercedes Way Edgewood, NY 11717 Kevin Prince DESCRIPTION: Phone: (631) 274-2534 Fax: 25 Class B Common Stock Certificates Blue Borders - Numbered: R 00021 To R 00070 REMARKS: PLEASE PROOFREAD AND ADVISE US ACCORDINGLY. First Proof: To Omit Ghost - Red Eagle in background please check this box: (Does not show on proof) Flat Printed Please Proofread and advise us accordingly Transmittal sent by: Brian Thank You THIS MATERIAL HAS NOT BEEN PROOFREAD AUTHORIZATION TO PRINT- PROOFS ARE NOW APPROVED FOR PRINTING Printing will not proceed without signed authorization -please return via fax or mail. AUTHORIZED SIGNATURE: Michelle Perrical Please print name below line: Michelle Perrical DATE:9/7/15 In view of recent judicial decisions holding certain typesetting companies responsible for the accuracy of typeset material if even  a perfunctory proofreading service, paid or unpaid, has been provided by that typesetting company, Columbia Financial Printing Corp., PERFORMS NO PROOFREADING  SERVICE  ON ANY MATERIAL PASSING THROUGH ITS TYPESETTING FACILITY. THERE ARE POSITIVELY NO EXCEPTIONS TO THIS POLICY. Broadridge 21.ind-10 93802

NUMBER SHARES R RICHARDSON ELECTRONICS, LTD. INCORPORATED UNDER THE LAWS OF THE STATE OF DELAWARE  SEE REVERSE FOR CERTAIN DEFINITIONS CLASS B COMMON STOCK  CUSIP 763165 20 6 This Certifies That: PROOF IS THE OWNER OF FULLY PAID AND NON-ASSESSABLE SHARES OF THE CLASS B COMMON STOCK $.05 PAR VALUE EACH OF RICHARDSON ELECTRONICS, LTD. transferable on the books of the  Corporation in person or by attorney upon surrender of this certificate duly endorsed or assigned. This certificate and the shares represented  hereby are subject  to the  laws of  the  State  of  Delaware, and  to  the  Certificate  of Incorporation and Bylaws of the Corporation, as now or hereafter amended. This certificate is not valid until countersigned by the Transfer Agent. WITNESS the facsimile seal of the Corporation and the facsimile signatures of its duly authorized officers. DATED: COUNTERSIGNED: BROADRIDGE CORPORATE ISSUER SOLUTIONS, INC. 1717 ARCH ST., STE. 1300, PHILADELPHIA, PA 19103 TRANSFER AGENT BY: AUTHORIZED SIGNATURE RICHARDSON ELECTRONICS, LTD. CORPORATE SEAL 1986 DELAWARE SECRETARY: Robert J. Ben   CHAIRMAN: Edward J. Richardshe following abbreviations, when used in the inscription on the face of this certificate, shall be construed as though they were written out in full according to applicable laws or regulations: TEN COM - as tenants in common TEN ENT - as tenants by the entireties JT TEN - as joint tenants with right of survivorship and not as tenants in common UNIF GIFT MIN ACT Custodian. (Cust) (Minor) under Uniform Gifts to Minors Act. (State) Additional abbreviations may also be used though not in the above list. For value Received, hereby sell, assign and transfer unto please insert social security or other identifying number of assignee (Please print or type name and address, including zip code, of assignee) Shares of the stock represented by the within certificate, and do hereby irrevocably constitute and appoint Attorney to transfer the said stock on the books of the within named corporation with full power of substitution in the premises. Dated NOTICE: THE SIGNATURE TO THIS ASSIGNMENT MUST CORRESPOND WITH THE NAME AS WRITTEN UPON THE FACE OF THE CERTIFICATE IN EVERY PARTICULAR, WITHOUT ALTERATION OR ENLARGEMENT OR ANY CHANGE WHATSOEVER. Signature(s) Guaranteed By The signature(s) must be guaranteed by an eligible guarantor Institution (Banks, Stockbrokers, Savings and Loan Associations and Credit Unions with membership in an approved Signature Guarantee Medallion Program), pursuant to SEC Rule 17Ad-15. THE CORPORATION WILL FURNISH TO ANY STOCKHOLDER, UPON REQUEST AND WITHOUT CHARGE, A FULL STATEMENT OF THE DESIGNATIONS, RELATIVE RIGHTS, PREFERENCES AND LIMITATIONS OF THE SHARES OF EACH CLASS AND SERIES AUTHORIZED TO BE ISSUED, SO FAR AS THE SAME HAVE BEEN DETERMINED, AND OF THE AUTHORITY, IF ANY, OF THE BOARD TO DIVIDE THE SHARES INTO CLASSES OR SERIES AND TO DETERMINE AND CHANGE THE RELATIVE RIGHTS, PREFERENCES AND LIMITATIONS OF ANY CLASS OR SERIES, SUCH REQUEST MAY BE MADE TO THE SECRETARY OF THE CORPORATION OR TO THE TRANSFER AGENT NAMED ON THIS CERTIFICATE. COLUMBIA PRINTING SERVICES, LLC – www.stockinformation.com

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