Document:

EX-10.11

 Exhibit 10.11 

AMENDED AND RESTATED ESCROW DEPOSIT AGREEMENT 

This ESCROW DEPOSIT AGREEMENT (this “Agreement”) dated as of this [    ] day of September 2017, by and among
GENPREX, INC., a Delaware corporation (the “Company”), having an address at 100 Congress Avenue, Suite 2000, Austin, Texas 78701, NETWORK 1 FINANCIAL SECURITIES, INC., a New Jersey corporation (the
“Underwriter”), having an address at The Galleria, Penthouse, 2 Bridge Avenue, Building 2, Red Bank, NJ 07701, and SIGNATURE BANK (the “Escrow Agent”), a New York State chartered bank, having an office at 565
Fifth Avenue, 12th Floor, New York, New York 10017. All capitalized terms not herein defined shall have the meaning ascribed to them in that certain Preliminary Prospectus, dated September 8,
2017, of the Company, including all attachments, schedules and exhibits thereto (the “Prospectus”) included in Registration Statement on Form S-1 (File
No. 333-219386). 
 W I T N E S S E
T H: 
 WHEREAS, the Company, Underwriter and Escrow Agent executed that certain Escrow Deposit Agreement dated
September     , 2017 (the “Prior Agreement”), and such parties now wish to amend and restate the Prior Agreement to revise certain terms contained therein; and 

WHEREAS, pursuant to Section 10(d) of the Prior Agreement, the Prior Agreement may be amended by a written instrument executed by each
of the parties thereto; and 
 WHEREAS, pursuant to the terms of the Prospectus the Company desires to sell (the
“Offering”) a minimum of 2,500,000 shares of its common stock (the “Shares”), resulting in minimum gross proceeds of $12,500,000 (the “Minimum Amount”) and a maximum of 4,500,000 Shares, resulting
in maximum gross proceeds of $22,500,000 (the “Maximum Amount”). The Shares are being sold at an assumed initial public offering price of $5.00 per Share; and 

WHEREAS, unless the Minimum Amount is sold by the date that is sixty (60) days after the date of the final prospectus (the
“Termination Date”), the Offering shall terminate and all funds shall be returned to the subscribers in the Offering, and if the Minimum Amount is met, the Offering may continue until the Termination Date; and 

WHEREAS, the Company and Underwriter desire to establish an escrow account with the Escrow Agent into which the Company and Underwriter
shall instruct Investors introduced to the Company by Underwriter (the “Investors”) to deposit checks and other instruments for the payment of money made payable to the order of “Signature Bank as Escrow Agent for Genprex,
Inc.,” and Escrow Agent is willing to accept said checks and other instruments for the payment of money in accordance with the terms hereinafter set forth; and 

WHEREAS, the Company, as issuer, and Underwriter, as an introducing broker-dealer, represent and warrant to the Escrow Agent that they
will comply with all of their respective obligations under applicable state and federal securities laws and regulations with respect to the Offering; and 

WHEREAS, the Company and Underwriter represent and warrant to the Escrow Agent that they have not stated to any individual or entity
that the Escrow Agent’s duties will include anything other than those duties stated in this Agreement; and 
 WHEREAS, the
Company and Underwriter warrant to the Escrow Agent that a copy of each document that has been delivered to Investors and third parties that include Escrow Agent’s name and duties, has been attached hereto as Schedule I. 

  
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 NOW, THEREFORE, IT IS AGREED as follows: 

1.    Delivery of Escrow Funds. 

(a)     Underwriter and the Company shall instruct Investors to deliver to Escrow Agent checks made payable to the order of
“Signature Bank, as Escrow Agent for Genprex, Inc.” or wire transfer to Signature Bank, 565 Fifth Avenue, 12th Floor, New York, New York 10017, ABA No. 026013576 for credit to
Signature Bank, as Escrow Agent for Genprex, Inc., Account No.                     , in each case, with the name and address of the individual or
entity making payment. In the event any Investor’s address is not provided to Escrow Agent by the Investor, then Underwriter and/or the Company agree to promptly provide Escrow Agent with such information in writing. The checks or wire
transfers shall be deposited into a non-interest-bearing account at Signature Bank entitled “Genprex, Inc., Signature Bank, as Escrow Agent” (the “Escrow Account”). 

(b)    The collected funds deposited into the Escrow Account are referred to as the “Escrow Funds.” 

(c)    The Escrow Agent shall have no duty or responsibility to enforce the collection or demand payment of any funds
deposited into the Escrow Account. If, for any reason, any check deposited into the Escrow Account shall be returned unpaid to the Escrow Agent, the sole duty of the Escrow Agent shall be to return the check to the Investor and advise the Company
and Underwriter promptly thereof. 
 2.    Release of Escrow Funds. The Escrow Funds shall be paid by the Escrow Agent in
accordance with the following: 
 (a)    In the event that the Company and Underwriter advise the Escrow Agent in writing
that the Offering has been terminated (the “Termination Notice”), the Escrow Agent shall promptly return the funds paid by each Investor to said Investor without interest or offset. 

(b)     Provided that the Escrow Agent does not receive the Termination Notice in accordance with Section 2(a) and
the Minimum Amount is deposited into the Escrow Account on or prior to the Termination Date, the Escrow Agent shall, upon receipt of written instructions, in the form of Exhibit A, attached hereto and made a part hereof, or in a form
and substance satisfactory to the Escrow Agent, received from the Company and Underwriter, pay the Escrow Funds in accordance with such written instructions, such payment or payments to be made by wire transfer within one (1) business day of
receipt of such written instructions. Such instructions must be received by the Escrow Agent no later than 3:00 PM Eastern Time on a Banking Day for the Escrow Agent to process such instructions that Banking Day. 

(c)    If by 3:00 P.M. Eastern time on the Termination Date, the Escrow Agent has not received written instructions from
the Company and Underwriter regarding the disbursement of the Escrow Funds or the total amount of the Escrow Funds is less than the Minimum Amount, then the Escrow Agent shall promptly return the Escrow Funds to the Investors without interest or
offset. The Escrow Funds returned to each Investor shall be free and clear of any and all claims of the Escrow Agent. 

  
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 (e)    The Escrow Agent shall not be required to pay any uncollected funds or
any funds that are not available for withdrawal. 
 (f)    If the Termination Date, Final Termination Date or any date
that is a deadline under this Agreement for giving the Escrow Agent notice or instructions or for the Escrow Agent to take action is not a Banking Day, then such date shall be the Banking Day that immediately precedes that date. A “Banking
Day” is any day other than a Saturday, Sunday or a day that a New York State chartered bank is not legally obligated to be opened. 

3.    Acceptance by Escrow Agent. The Escrow Agent hereby accepts and agrees to perform its obligations hereunder, provided that:

 (a)    The Escrow Agent may act in reliance upon any signature believed by it to be genuine, and may assume that any
person who has been designated by Underwriter or the Company to give any written instructions, notice or receipt, or make any statements in connection with the provisions hereof has been duly authorized to do so. Escrow Agent shall have no duty to
make inquiry as to the genuineness, accuracy or validity of any statements or instructions or any signatures on statements or instructions. The names and true signatures of each individual authorized to act singly on behalf of the Company and
Underwriter are stated in Schedule II, which is attached hereto and made a part hereof. The Company and Underwriter may each remove or add one or more of its authorized signers stated on Schedule II by notifying the Escrow Agent of
such change in accordance with this Agreement, which notice shall include the true signature for any new authorized signatories. 

(b)    The Escrow Agent may act relative hereto in reliance upon advice of counsel in reference to any matter connected
herewith. The Escrow Agent shall not be liable for any mistake of fact or error of judgment or law, or for any acts or omissions of any kind, unless caused by its willful misconduct or gross negligence. 

(c)    Underwriter and the Company agree to indemnify and hold the Escrow Agent harmless from and against any and all
claims, losses, costs, liabilities, damages, suits, demands, judgments or expenses (including but not limited to reasonable attorney’s fees) claimed against or incurred by Escrow Agent arising out of or related, directly or indirectly, to this
Escrow Agreement except to the extent caused by the Escrow Agent’s gross negligence or willful misconduct. 

(d)    In the event that the Escrow Agent shall be uncertain as to its duties or rights hereunder, the Escrow Agent shall
be entitled to (i) refrain from taking any action other than to keep safely the Escrow Funds until it shall be directed otherwise by a court of competent jurisdiction, or (ii) deliver the Escrow Funds to a court of competent jurisdiction.

 (e)    The Escrow Agent shall have no duty, responsibility or obligation to interpret or enforce the terms of any
agreement other than Escrow Agent’s obligations hereunder, and the Escrow Agent shall not be required to make a request that any monies be delivered to the Escrow Account, it being agreed that the sole duties and responsibilities of the Escrow
Agent shall be to the extent not prohibited by applicable law (i) to accept checks or other instruments for the payment of money and wire transfers delivered to the Escrow Agent for the Escrow Account and deposit said checks and wire transfers
into the non-interest bearing Escrow Account, and (ii) to disburse or refrain from disbursing the Escrow Funds as stated above, provided that the checks received by the Escrow Agent have been collected
and are available for withdrawal. 

  
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 4.    Escrow Account Statements and Information. The Escrow Agent agrees to
send to the Company and/or the Underwriter a copy of the Escrow Account periodic statement, upon request in accordance with the Escrow Agent’s regular practices for providing account statements to its
non-escrow clients and to also provide the Company and/or Underwriter, or their designee, upon request other deposit account information, including Escrow Account balances, by telephone or by computer
communication, to the extent practicable. The Company and Underwriter agree to complete and sign all forms or agreements required by the Escrow Agent for that purpose. The Company and Underwriter each consent to the Escrow Agent’s release of
such Escrow Account information to any of the individuals designated by Company or Underwriter, which designation has been signed in accordance with Section 3(a) by any of the persons in Schedule II. Further, the Company and
Underwriter have an option to receive e-mail notification of incoming and outgoing wire transfers. If this e-mail notification service is requested and subsequently
approved by the Escrow Agent, each of the Company and Underwriter agrees to provide a valid e-mail address and other information necessary to set-up this service and
sign all forms and agreements required for such service. The Company and Underwriter each consents to the Escrow Agent’s release of wire transfer information to the designated e-mail address(es). The
Escrow Agent’s liability for failure to comply with this section shall not exceed the cost of providing such information. 

5.    Resignation and Termination of the Escrow Agent. The Escrow Agent may resign at any time by giving 30 days’ prior
written notice of such resignation to Underwriter and the Company. Upon providing such notice, the Escrow Agent shall have no further obligation hereunder except to hold as depository the Escrow Funds that it receives until the end of such 30-day period. In such event, the Escrow Agent shall not take any action, other than receiving and depositing Investors checks and wire transfers in accordance with this Agreement, until the Company has designated a
banking corporation, trust company, attorney or other person as successor. Upon receipt of such written designation signed by Underwriter and the Company, the Escrow Agent shall promptly deliver the Escrow Funds to such successor and shall
thereafter have no further obligations hereunder. If such instructions are not received within 30 days following the effective date of such resignation, then the Escrow Agent may deposit the Escrow Funds held by it pursuant to this Agreement with a
clerk of a court of competent jurisdiction pending the appointment of a successor. In either case provided for in this Section, the Escrow Agent shall be relieved of all further obligations and released from all liability thereafter arising with
respect to the Escrow Funds. 
 6.    Termination. The Company and Underwriter may terminate the appointment of the Escrow Agent
hereunder upon written notice specifying the date upon which such termination shall take effect, which date shall be at least 30 days from the date of such notice. In the event of such termination, the Company and Underwriter shall, within 30 days
of such notice, appoint a successor escrow agent and the Escrow Agent shall, upon receipt of written instructions signed by the Company and Underwriter, turn over to such successor escrow agent all of the Escrow Funds; provided,
however, that if the Company and Underwriter fail to appoint a successor escrow agent within such 30-day period, such termination notice shall be null and void and the Escrow Agent shall continue to be
bound by all of the provisions hereof. Upon receipt of the 

  
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Escrow Funds, the successor escrow agent shall become the escrow agent hereunder and shall be bound by all of the provisions hereof and Escrow Agent shall be relieved of all further obligations
and released from all liability thereafter arising with respect to the Escrow Funds and under this Agreement. 

7.    Investment. All funds received by the Escrow Agent shall be held only in non-interest
bearing bank accounts at Signature Bank. 
 8.    Compensation. Escrow Agent shall be entitled, for the duties to be performed by
it hereunder, to a fee of $4,000.00, which fee shall be paid by the Company upon the signing of this Agreement. In addition, the Company shall be obligated to reimburse Escrow Agent for all fees, costs and expenses incurred or that become due in
connection with this Agreement or the Escrow Account, including reasonable attorney’s fees. Neither the modification, cancellation, termination or rescission of this Agreement nor the resignation or termination of the Escrow Agent shall affect
the right of Escrow Agent to retain the amount of any fee which has been paid, or to be reimbursed or paid any amount which has been incurred or becomes due, prior to the effective date of any such modification, cancellation, termination,
resignation or rescission. To the extent the Escrow Agent has incurred any such expenses, or any such fee becomes due, prior to the closing of the Offering, the Escrow Agent shall advise the Company and the Company shall direct all such amounts to
be paid directly at any such closing. The Escrow Agent shall be entitled to a fee of $1,000.00 in the event this Agreement is amended for any reason in accordance with Section 10(d). 

9.    Notices. All notices, requests, demands and other communications required or permitted to be given hereunder shall be in
writing and shall be deemed to have been duly given if sent by hand-delivery, by facsimile (followed by first-class mail), by nationally recognized overnight courier service or by prepaid registered or certified mail, return receipt requested, to
the addresses set forth below: 
 If to the Underwriter: 

Network 1 Financial Securities, Inc. 

Galleria, Penthouse 
 2 Bridge
Avenue, Building 2 
 Red Bank, NJ 07701 

Attn: Damon D. Testaverde, Director of Investment Banking 

Fax No.: (732) 758-6671 

With a copy (which shall not constitute notice) to: 

Magri Law, LLC 
 2642 NE 9th Ave. 
 Fort Lauderdale, FL 33334 

Attn: Philip Magri 
 Email:
pmagri@magrilaw.com 
 Fax No.: 646-836-9200 

  
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 If to the Company: 

Genprex, Inc. 
 100 Congress
Avenue, Suite 2000 
 Austin, Texas 78701 

Attn: J. Rodney Varner 
 Chief
Executive Officer 
 With a copy (which shall not constitute notice) to: 

Streusand Landon & Ozburn, LLP 

811 Barton Springs Road, Suite 811 

Austin, TX 78704 
 Attn:
Christopher J. Ozburn 
 Fax: (512) 236-9904 

If to Escrow Agent: 

Signature Bank 
 565 Fifth Avenue,
12th Floor 
 New York, New York 10017 

Attention: Ed Sirlin, Group Director & Senior Vice President 

With a copy (which shall not constitute notice) to: 

Signature Bank 
 565 Fifth Avenue,
8th Floor 
 New York, New York 10017 

Attention: General Counsel 

Fax: (646) 758-8188 

10.    General. 

(a)    This Agreement shall be governed by and construed and enforced in accordance with the laws of the State of New York
applicable to agreements made and to be entirely performed within such State, without regard to choice of law principles and any action brought hereunder shall be brought in the courts of the State of New York, located in the County of New York.
Each party hereto irrevocably waives any objection on the grounds of venue, forum nonconveniens or any similar grounds and irrevocably consents to service of process by mail or in any manner permitted by applicable law and consents to the
jurisdiction of said courts. EACH OF THE PARTIES HERETO HEREBY WAIVES ALL RIGHT TO TRIAL BY JURY IN ANY ACTION, PROCEEDING OR COUNTERCLAIM ARISING OUT OF THE TRANSACTIONS CONTEMPLATED BY THIS AGREEMENT. 

(b)    This Agreement sets forth the entire agreement and understanding of the parties with respect to the matters
contained herein and supersedes all prior agreements, arrangements and understandings relating thereto. 

  
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 (c)    All of the terms and conditions of this Agreement shall be binding
upon, and inure to the benefit of and be enforceable by, the parties hereto, as well as their respective successors and assigns. 

(d)    This Agreement may be amended, modified, superseded or canceled, and any of the terms or conditions hereof may be
waived, only by a written instrument executed by each party hereto or, in the case of a waiver, by the party waiving compliance. The failure of any party at any time or times to require performance of any provision hereof shall in no manner affect
its right at a later time to enforce the same. No waiver of any party of any condition, or of the breach of any term contained in this Agreement, whether by conduct or otherwise, in any one or more instances shall be deemed to be or construed as a
further or continuing waiver of any such condition or breach or a waiver of any other condition or of the breach of any other term of this Agreement. No party may assign any rights, duties or obligations hereunder unless all other parties have given
their prior written consent to such assignment. 
 (e)    If any provision included in this Agreement proves to be
invalid or unenforceable, it shall not affect the validity of the remaining provisions. 
 (f)    This Agreement and any
modification or amendment of this Agreement may be executed in several counterparts or by separate instruments and all of such counterparts and instruments shall constitute one agreement, binding on all of the parties hereto. 

11.    Form of Signature. The parties hereto agree to accept a facsimile transmission copy of their respective actual signatures as
evidence of their actual signatures to this Agreement and any modification or amendment of this Agreement; provided, however, that each party who produces a facsimile signature agrees, by the express terms hereof, to place, promptly
after transmission of his or her signature by fax, a true and correct original copy of his or her signature in overnight mail to the address of the other party. 

12.     No Third-Party Beneficiaries. This Agreement is solely for the benefit of the parties and their respective successors
and permitted assigns, and no other person has any right, benefit, priority, or interest under or because of the existence of this Agreement. 

  
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 IN WITNESS WHEREOF, the parties have duly executed this Agreement as of the date first set forth above.

  

									
	GENPREX, INC.	 		 	NETWORK 1 FINANCIAL SECURITIES, INC.
					
	By:	 	  
	 		 	By:	 	  

	Name:	 	J. Rodney Varner	 		 	Name:	 	Damon D. Testaverde
	Title:	 	Chief Executive Officer	 		 	Title:	 	Director of Investment Banking

  

			
	SIGNATURE BANK

			
		
	By:	 	  

	Name:	 	
	Title:	 	
		
	By:	 	  

	Name:	 	
	Title:	 	

  
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 Schedule I 

OFFERING DOCUMENTS 
  

			
	Escrow Deposit Agreement – Public Offering	  	

  
 9 

 Schedule II 

The Escrow Agent is authorized to accept instructions signed or believed by the Escrow Agent to be signed by any one of the following on
behalf of the Company and Underwriter. 
 Genprex, Inc. 
  

			
	 Name
	 	 True Signature

	 J. Rodney Varner
	 	  

 Network 1 Financial Securities, Inc. 

 

			
	 Name
	 	 True Signature

	 Damon D. Testaverde
	 	  

	
                   
                         
	 	  

  

			
	Escrow Deposit Agreement – Public Offering	  	

  
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 Exhibit A 

FORM OF ESCROW RELEASE NOTICE 

Date: 
 Signature Bank 

565 Fifth Avenue, 12th Floor 

New York, New York 10016 
 Attention: Ed Sirlin, Group
Director & SVP  
 Dear Mr. Sirlin: 

In accordance with the terms of Section 2(b) of that Escrow Deposit Agreement dated as of
            , 2017 (the “Escrow Agreement”), by and between Genprex, Inc. (the “Company”), Signature Bank (the “Escrow Agent”) and Network 1 Financial
Securities, Inc. (“Underwriter”), the Company and Underwriter hereby notify the Escrow Agent that the                      closing will be
held on                      for gross proceeds of $            . 

PLEASE DISTRIBUTE FUNDS BY WIRE TRANSFER AS FOLLOWS (wire instructions attached): 
  

					
	  
	 	:            	  	$                
			
	  
	 	:            	  	$
			
	  
	 	:            	  	$

 Very truly yours, 
 GENPREX,
INC. 
  

			
	By:	 	  

	Name:	 	J. Rodney Varner
	Title:	 	Chief Executive Officer

 NETWORK 1 FINANCIAL SECURITIES, INC. 
  

			
	By:	 	  

	Name:	 	Damon D. Testaverde
	Title:	 	Director of Investment BankingEX-10.19

 Exhibit 10.19 

GENPREX, INC. 

SUBSCRIPTION AGREEMENT 

This Subscription Agreement (this “Subscription Agreement”) is dated
                    , 2017, by and between the undersigned identified on the Signature Page hereto (the “Investor”) and Genprex,
Inc., a Delaware corporation (the “Company”). 
 WHEREAS, the Company has authorized the sale and issuance of a
minimum of 2,500,000 shares (the “Minimum Amount”) and up to a maximum of 4,500,000 shares (the “Shares”) of its common stock, par value $0.001 per share (the “Common Stock”), on a “best
efforts” basis at an initial public offering price of $            per Share (the “Purchase Price”); 

WHEREAS, the sale of the Shares (the “Offering”) is being made pursuant to an effective Registration Statement on Form
S-1 (File No. 333-219386) (the “Registration Statement”) filed under the Securities Act of 1933, as amended (the “Securities Act”), by the Company with the U.S. Securities and Exchange Commission (the
“Commission”); 
 WHEREAS, the Company has entered into an Underwriting Agreement, dated
                    , 2017 (the “Underwriting Agreement”), with Network 1 Financial Securities, Inc., a FINRA-registered
broker/dealer, to act as the underwriter of the Shares in the Offering (the “Underwriter”); 
 WHEREAS, the Company,
Underwriter and Signature Bank have entered into an Escrow Agreement, dated                     , 2017 (the “Escrow Agreement”),
pursuant to which Signature Bank has agreed to serve as the escrow agent in connection with the Offering (the “Escrow Agent”); 

WHEREAS, the Investor desires to purchase a certain amount of Shares from the Company. 

NOW, THEREFORE, in consideration of the foregoing and of the covenants contained herein, the sufficiency of which is hereby mutually
accepted, the parties hereby agree as follows: 
  

	 	1.	Subscription. 

  

	 	a.	Investor agrees to buy and the Company agrees to sell and issue to Investor such number of Shares of Common Stock as set forth on the signature page hereto (the “Signature Page”), for an aggregate
purchase price equal to the product of (x) the aggregate number of Shares of Common Stock the Investor has agreed to purchase and (y) the Purchase Price. 

 

	 	b.	The Shares are being offered by the Underwriter on a “best efforts, minimum/maximum” basis. The completion of the purchase and sale of the Shares (the “Closing”) shall take place at a place
and time (the “Closing Date”) to be specified by the Company and Underwriter in accordance with Rule 15c6-1 promulgated under the Securities Exchange Act of 1934, as amended (the “Exchange Act”). 

 

	 	2.	Procedure. 

  

	 	a.	Prior to the Closing Date (as defined below), the Investor will: 

  

	 	i.	Complete and execute this Subscription Agreement and deliver it to the Underwriter at the address set forth below for forwarding to the Company: 

Network 1 Financial Securities, Inc. 

The Galleria, Building 2 

2 Bridge Avenue 

Red Bank, NJ 07701 

Attn: Keith Testaverde, V.P of Investment Banking 

T: (732) 758-9001 

F.: (732) 758-6671 

  
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	 	ii.	Deliver funds in an amount equal to the Purchase Price multiplied by the number of Shares to which such Investor has subscribed to the Escrow Agent via wire transfer to: 

Signature Bank 

565 Firth Avenue, 12th Floor 

New York, NY 10017 

ABA No.: 026013576 

Account No.:              

 

	 	iii.	If by check, make payable to: “Signature Bank, as Escrow Agent for Genprex, Inc.” and forward to: 

Network 1 Financial Securities, Inc. 

The Galleria, Building 2 

2 Bridge Avenue 

Red Bank, NJ 07701 

Attn: Keith Testaverde, V.P of Investment Banking 

T: (732) 758-9001 

F.: (732) 758-6671 
  

	 	3.	Closing Date; Termination Date. If the Company shall have sold a minimum of 2,500,000 shares of common stock (the “Minimum Shares”) and the Escrow Agent shall have received at least
an aggregate amount of $12,500,000 (the “Requisite Funds”) on or before 5:00 p.m., New York City time, on the date that is sixty (60) days after the date of the final prospectus (the “Termination Date”),
the Escrow Agent will release the balance of the Escrow Account for collection by the Company and the Underwriter as provided in the Escrow Agreement and the Company shall deliver the Common Stock being purchased on the Closing Date to the
Underwriter, through the facilities of DTC, and such Common Stock shall be registered in such name or names and shall be in such denominations, as the Underwriter may request by written notice to the Company (the “Closing”). The
cost of original issue tax stamps and other transfer taxes, if any, in connection with the issuance and delivery of the Common Stock by the Company to the respective Investors shall be borne by the Company. The date on which the Escrow Agent
releases the balance of the Escrow Account for collection by the Company and the Underwriter against delivery of the Common Stock to the Investors as described above, is hereinafter referred to as the “Closing Date.”

  

	 	4.	Return of Funds. If the Company has not sold the Minimum Shares and the Requisite Funds have not been received by the Escrow Agent on or before the Termination Date, the Offering will be deemed terminated,
the Escrow Agent will promptly return the funds to the Investors without interest or deduction and the Underwriter shall not be entitled to any compensation hereunder or under the Underwriting Agreement. Investors will only be entitled to
receive a refund of their subscription if the Minimum Amount is not raised by the Termination Date. 

  

	 	5.	Investor Representations. 

  

	 	a.	The Investor represents that it has received (or otherwise had made available to it by the filing by the Company of an electronic version thereof with the Commission) the final prospectus in connection with the
Registration Statement pursuant to Rule 424(b) of the Securities Act, prior to or in connection with the receipt of this Agreement. 

  

	 	b.	The Investor represents that it understands and hereby acknowledges that the Investor’s subscription for the Shares indicated on the Signature Page hereto may be accepted or rejected in whole or in part by the
Company, for any reason or no reason, and in its sole and absolute discretion. 

  

	 	c.	The Investor represents that (i) it has had no position, office or other material relationship within the past three years with the Company or persons known to it to be affiliates of the 

  
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 Company, (ii) it is not a member of the Financial Industry Regulatory Authority, Inc.
(“FINRA”) or an Associated Person (as such term is defined under the FINRA’s NASD Membership and Registration Rules Section 1011) as of the Closing, and (iii) neither the Investor nor any group of Investors (as such
term is used in Rule 13d-5 under the Exchange Act (as defined below)) of which the Investor is a part in connection with the Offering, has acquired, or obtained the right to acquire, 10% or more of the Common Stock (or securities convertible into or
exchangeable or exercisable for Common Stock) or the voting power of the Company on a post-transaction basis. 
  

	 	6.	Acceptance. No offer by the Investor to buy Shares will be accepted and no part of the Purchase Price will be delivered to the Company until the Company has accepted such offer, or a portion thereof, by
countersigning a copy of this Agreement and delivering a fully-executed version of this Agreement, and any such offer may be withdrawn or revoked, without obligation or commitment of any kind, at any time prior to such execution and delivery by the
Company. If the Company rejects a subscription, or a portion thereof, for the Shares, the deposited Purchase Price for the rejected subscription, or a portion thereof as the case may be, shall be returned by the Escrow Agent to the Investor, without
interest thereon or deduction therefrom. 

  

	 	7.	Company Confirmation. The Investor acknowledges and agrees that such Investor’s receipt of the Company’s signed counterpart to this Agreement, together with the Prospectus (or the filing by the
Company of an electronic version thereof with the Commission), shall constitute written confirmation of the Company’s sale of the Shares to such Investor. 

  

	 	8.	Not a Firm Commitment Offering. The Investor acknowledges that the Offering is being conducted on a “best efforts” basis and is not being underwritten on a “firm commitment” basis by
the Underwriter. 

  

	 	9.	Termination. In the event that the Underwriting Agreement is terminated by the Underwriter pursuant to the terms thereof, this Agreement shall terminate without any further action on the part of the
parties hereto, and the Escrow Agent will promptly return the funds to the Investors without interest or deduction and the Underwriter shall not be entitled to any compensation hereunder or under the Underwriting Agreement. 

 

	 	10.	Notices. All communications hereunder, except as herein otherwise specifically provided, shall be in writing and shall be mailed (registered or certified mail, return receipt requested), personally
delivered or sent by facsimile transmission and confirmed, or by electronic transmission via PDF, and shall be deemed given when so delivered or faxed and confirmed or transmitted or if mailed, two days after such mailing. 

If to the Underwriter: 

Network 1 Financial Securities, Inc. 

Galleria, Penthouse 
 2 Bridge
Avenue, Building 2 
 Red Bank, NJ 07701 

Attn: Damon D. Testaverde, Managing Director 

Fax No.: (732) 758-6671 

With a copy (which shall not constitute notice) to: 

Magri Law, LLC 
 2642 NE 9th Ave. 
 Fort Lauderdale, FL 33334 

Attn: Philip Magri 
 Email:
pmagri@magrilaw.com 
 Fax No.: (646) 836-9200 

  
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 If to the Company: 

Genprex, Inc. 
 100 Congress
Avenue, Suite 2000 
 Austin, Texas 78701 

Attn: J. Rodney Varner 
 Chief
Executive Officer 
 With a copy (which shall not constitute notice) to: 

Streusand Landon & Ozburn, LLP 

811 Barton Springs Road, Suite 811 

Austin, TX 78704 
 Attn:
Christopher J. Ozburn 
 Fax: (512) 236-9904 
  

	 	11.	Changes. This Agreement may not be modified or amended except pursuant to an instrument in writing signed by the Company and the Investor. 

 

	 	12.	Headings. The headings of the various sections of this Agreement have been inserted for convenience of reference only and will not be deemed to be part of this Agreement. 

 

	 	13.	Severability. In case any provision contained in this Agreement is invalid, illegal or unenforceable in any respect, the validity, legality and enforceability of the remaining provisions contained herein
will not in any way be affected or impaired thereby. 

  

	 	14.	Governing Law. This Agreement will be governed by, and construed in accordance with, the internal laws of the State of New York, without giving effect to the principles of conflicts of law that would
require the application of the laws of any other jurisdiction. 

  

	 	15.	Counterparts. This Agreement may be executed in two or more counterparts, each of which will constitute an original, but all of which, when taken together, will constitute but one instrument, and will
become effective when one or more counterparts have been signed by each party hereto and delivered to the other parties. 

[SIGNATURE PAGE FOLLOWS] 

  
 4 

 IN WITNESS WHEREOF, the Investor has executed this Subscription Agreement as of the date written below.

  

			
	 Issuer:
	  	GENPREX, INC.
		
	 Purchase Price per Share:
	  	$            
		
	 Number of Shares being Purchased by Investor:
	  	
		
	 Total Purchase Price (Number of Shares multiplied by Purchase Price:
	  	$            

  

					
	INVESTOR:	 		 	CO-INVESTOR:
			
	  
	 		 	  

	Name of Investor	 		 	Name of Co-Investor, if applicable
			
	  
	 		 	  

	Signature of Investor	 		 	Signature of Co-Investor, if applicable
			
	  
	 		 	  

	Social Security Number (SSN) or Fed Tax ID (EIN)	 		 	Social Security Number (SSN) or Fed Tax ID (EIN)
			
	Date:                                     
                                        
                        	 		 	Date:                                     
                                         
       

 The Shares subscribed for hereby are being purchased as follows: 

(Check One) 

         individually 

         joint tenants 

         joint tenants with right of survivorship 

         tenants in common 

         partnership 

         limited liability company 

            as custodian, trustee or agent for 

                       
                                 corporation 

  
 5 

					
	Investor’s Name and	 		 	Co-Investor’s Name and Business
	Business Address (please print or type)	 		 	Address (please print or type):
	Phone Number/Email address	 		 	Phone Number/Email Address
			
	  
	 		 	  

			
	  
	 		 	  

			
	  
	 		 	  

			
	  
	 		 	  

  

					
	Investor’s Residence Address	 		 	Co-Investor’s Residence Address
	(please print or type):	 		 	(please print or type):
			
	  
	 		 	  

			
	  
	 		 	  

			
	  
	 		 	  

  
  
  

 
 The foregoing Subscription is hereby accepted.

  

			
	GENPREX, INC.

 
			
		
	By:	 	  

			
		 	    Name: J. Rodney Varner
		 	    Title: Chief Executive Officer
		
	Date:	 	  

  
 6

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