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Exhibit 4.10

 

FORM OF SPECIMEN UNIT CERTIFICATE 

 

	

NUMBER 

	

  

	

  

	

U-_____________

	

  

	

UNITS 

 

SEE REVERSE FOR CERTAIN 

DEFINITIONS 

 

ENDRA LIFE SCIENCES INC. 

 

CUSIP [________] 

UNITS CONSISTING OF ONE SHARE OF COMMON STOCK
AND 

ONE WARRANT TO PURCHASE ONE SHARE OF COMMON
STOCK 

 

	

  

	

  

	

  

	

THIS
CERTIFIES THAT 

	

  

	

  

 

	

is the
owner of 

	

  

	

  

	

  

	

Units. 

 

Each Unit (“Unit”)
consists of one (1) share of common stock, par value $0.0001 per
share (“Common
Stock”), of ENDRA LIFE SCIENCES INC., a Delaware
corporation (the “Company”),
and one (1) warrant (“Warrant”).
The Warrant entitles the holder to purchase one (1) share of Common
Stock for $[___] per share (subject to adjustment). The Warrant
will become exercisable on (i) the first trading day following the
sixtieth (60th) day following the date of the prospectus filed
in connection with the Company’s initial public offering or (ii) such earlier
date as Dougherty & Company LLC shall determine is acceptable,
and will expire unless exercised before 5:00 p.m. New York City
time on the date which is five (5) years from the date of the
prospectus filed in connection with the Company’s initial public offering of this Unit
(the “Expiration
Date”). 

 

The Common Stock and Warrant comprising each Unit shall begin to
trade separately on (i) the first trading day following the
sixtieth (60th) day following the date of the prospectus filed
in connection with the Company’s initial public offering or (ii) such earlier
date as Dougherty & Company LLC shall determine is
acceptable. 

 

The terms of the Warrants are governed by a Warrant Agreement,
dated as of [____], 2017, between the Company and Corporate Stock
Transfer, Inc., as Warrant Agent, and are subject to the terms and
provisions contained therein, all of which terms and provisions the
holder of this certificate consents to by acceptance hereof. Copies
of the Warrant Agreement are on file at the office of the Warrant
Agent at 3200 Cherry Creek Drive South, #430, Denver, CO 80209 and
are available to any Warrant holder on written request and without
cost. 

 

This certificate shall be governed by and construed under New York
law. This certificate is not valid unless countersigned by the
Transfer Agent and Registrar of the Company. 

 

	

	
 

	
 

 

 

  

Witness the facsimile seal of
the Company and the facsimile signature of its duly authorized
officers. 

 

[ENDRA LIFE SCIENCES INC.] 

 

	

  

	

COUNTERSIGNED
AND REGISTERED: 

	

CORPORATE
STOCK TRANSFER, INC. 

	

TRANSFER
AGENT AND REGISTRAR 

	

BY: 

	

AUTHORIZED
OFFICER 

	

  

	

By 

	

  

	

(SIGNATURE) 

	

CHIEF
EXECUTIVE OFFICER 

	

  

	

(SEAL) 

	

  

	

(SIGNATURE) 

	

SECRETARY 

 

  

 

 

 

[REVERSE
OF CERTIFICATE]

 

ENDRA LIFE SCIENCES INC. 

 

The Company will furnish without charge to each
stockholder who so requests, a statement of the powers,
designations, preferences and relative, participating, optional or
other special rights of each class of shares or series thereof of
the Company and the qualifications, limitations, or restrictions of
such preferences and/or rights. This certificate and the Units
represented hereby are issued and shall be held subject to the
terms and conditions applicable to the securities underlying and
comprising the Units, including, as applicable, the Company’s
Certificate of Incorporation and all amendments thereto, the
Warrant Agreement and resolutions of the Company’s Board of
Directors providing for the issue of securities (copies of which
may be obtained from the secretary of the Company), to all of which
the holder(s) of this certificate by acceptance hereof
assents. 

 

The 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(s), assign(s) and transfer(s) unto 

 

PLEASE INSERT SOCIAL SECURITY OR OTHER
IDENTIFYING NUMBER OF ASSIGNEE(S) 

 

 

	

(PLEASE
PRINT OR TYPEWRITE NAME(S) AND ADDRESS(ES), INCLUDING ZIP CODE, OF
ASSIGNEE(S)) 

	

  

	

  

	

  

	

  

	

Units
represented by the within Certificate, and hereby irrevocably
constitute(s) and appoint(s) 

	

  

	

  

 

  

 

 

 

Attorney to transfer the said Units on the books of the within
named Company with full power of substitution in the
premises. 

 

Dated: 

 

NOTICE: THE SIGNATURE(S) 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
WHATEVER. 

 

	

  

	

  

	

  

	

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).EX-4.1

 EXHIBIT 4.1 

CITIBANK CREDIT CARD ISSUANCE TRUST 

Citiseries 
 Class
2017-A2 Notes 
 Issuer Certificate 

Pursuant to Sections 202 and 301(h) of the Indenture 

Reference is made to the Second Amended and Restated Indenture dated as of September 26, 2000, as amended and restated as of
August 9, 2011, and as further amended and restated as of November 10, 2016 between Citibank Credit Card Issuance Trust (the “Issuer”) and Deutsche Bank Trust Company Americas, as trustee (as so further amended and restated, the
“Indenture”). Capitalized terms used herein that are not otherwise defined have the meanings set forth in the Indenture. All references herein to designated Sections are to the designated Sections of the Indenture. 

Section 301(h) provides that the Issuer may from time to time create a tranche of Notes either by or pursuant to an Issuer Certificate
setting forth the principal terms thereof. Pursuant to this Issuer Certificate, there is hereby created a tranche of Notes having the following terms: 

Series Designation: Citiseries. This series is included in Group 1. 

Tranche Designation: $1,750,000,000 1.74% Class 2017-A2 Notes of January 2019 (Legal Maturity Date January 2021) (hereinafter, the “Class 2017-A2
Notes”) 
 Currency: The Class 2017-A2 Notes will be payable, and denominated, in Dollars. 

Denominations: The Class 2017-A2 Notes will be issuable in minimum denominations of $100,000 and multiples of $1,000 in excess of that amount. 

Issuance Date: January 26, 2017 
 Initial
Principal Amount: $1,750,000,000 
 Issue Price: 99.98085% 

Interest Rate: 1.74% per annum, calculated on the basis of a 360 day year of twelve 30 day months. 

Scheduled Interest Payment Dates: The 17th day of each January and July, beginning July 17, 2017. 

Each payment of interest on the Class 2017-A2 Notes will include all interest accrued from and including the preceding Interest Payment Date — or, for
the first interest period, from and including the Issuance Date — to and including the day preceding the current Interest Payment Date, plus any interest accrued but not previously paid. 

 The first deposit targeted to be made to the Interest Funding sub-Account for the Class 2017-A2 Notes will be on
February 17, 2017 Interest Deposit Date and in an amount equal to $1,776,250.00. 
 Expected Principal Payment Date: January 17, 2019 

Legal Maturity Date: January 19, 2021 
 Monthly
Principal Date: For the month in which the Expected Principal Payment Date occurs, January 17, 2019, and for each other month, the 17th day of such month, or if such day is not a Business Day, the next following Business Day. 

Required Subordinated Amount of Class B Notes: $104,700,925.00 

Required Subordinated Amount of Class C Notes: $139,601,175.00 

Controlled Accumulation Amount: $145,833,333.33 
 Form
of Notes: The Class 2017-A2 Notes will be issued as Global Notes. The Global Notes will initially be registered in the name of Cede & Co., as nominee of The Depository Trust Company, and will be exchangeable for individual Notes only in
accordance with the provisions of Section 204(c). 
 Additional Issuances of Class 2017-A2 Notes: The Issuer may at any time and from time to
time issue additional Class 2017-A2 Notes, subject to the satisfaction of (i) the conditions precedent set forth in Section 311(a) and (ii) the following conditions: 

 

	 	(a)	The Issuer has obtained written confirmation from each Rating Agency that there will be no Ratings Effect with respect to the then outstanding Class 2017-A2 Notes as a result of the issuance of such additional Class
2017-A2 Notes; 

  

	 	(b)	As of the date of issuance of the additional Class 2017-A2 Notes, all amounts due and owing to the Holders of the then outstanding Class 2017-A2 Notes have been paid and there is no Nominal Liquidation Amount Deficit
with respect to the then outstanding Class 2017-A2 Notes; 

  

	 	(c)	The additional Class 2017-A2 Notes will be fungible with the original Class 2017-A2 Notes for federal income tax purposes; 

  

	 	(d)	If Holders of the then outstanding Class 2017-A2 Notes have the benefit of a Derivative Agreement, the Issuer will have obtained a Derivative Agreement for the benefit of the Holders of the additional Class 2017-A2
Notes; and 

  

	 	(e)	The ratio of the Controlled Accumulation Amount to the Initial Dollar Principal Amount of the Class 2017-A2 Notes, including the additional Class 2017-A2 Notes, will be equal to the ratio of the Controlled Accumulation
Amount (before giving effect to the additional issuance) to the Initial Dollar Principal Amount of the Class 2017-A2 Notes, excluding the additional Class 2017-A2 Notes. 

  
 2 

 As of the date of issuance of additional Class 2017-A2 Notes, the Outstanding Dollar Principal Amount and Nominal
Liquidation Amount of the Class 2017-A2 Notes will be increased to reflect the Initial Dollar Principal Amount of the additional Class 2017-A2 Notes. 
 Any
outstanding Class 2017-A2 Notes and any additional Class 2017-A2 Notes will be equally and ratably entitled to the benefits of the Indenture without preference, priority or distinction. 

Optional Redemption Provisions other than Section 1202 “Clean-Up Call”: None 

Additional Early Redemption Events or changes to Early Redemption Events: None 

Additional Events of Default or changes to Events of Default: None 

Business Day: means any day other than (a) a Saturday or Sunday or (b) any other day on which national banking associations or state banking
institutions in New York, New York or South Dakota, or any other state in which the principal executive offices of any Additional Seller are located, are authorized or obligated by law, executive order or governmental decree to be closed. 

Securities Exchange Listing: None 

  
 3 

 The Class 2017-A2 Notes shall have such other terms as are set forth in the form of Note attached
hereto as Exhibit A. Pursuant to Section 202, the form of Note attached hereto has been approved by the Issuer. 
  

			
	CITIBANK CREDIT CARD ISSUANCE TRUST
	By	 	Citibank, N.A.,
		 	as Managing Beneficiary
		
		 	
		 	  

		 	 [Name]

		 	 [Title]

 Dated: January 26, 2017 

  
 4 

 Citiseries 

Class 2017-A2 Notes 

Reference is made to the resolutions adopted by the Board of Directors of Citibank, N.A. on January 28, 2016. The resolutions authorize
Citibank, N.A. from time to time to issue and sell, or to arrange for or participate in the issuance and sale of, one or more series and/or classes of pass-through certificates, participation certificates, commercial paper, notes, bonds or other
securities representing ownership interests in, or backed or secured by, pools of credit card receivables or interests therein (the “Receivables”) in an aggregate principal amount such that up to $55,000,000,000 of such certificates,
commercial paper, notes, bonds or other securities are outstanding at any one time and to sell, transfer, convey, assign or pledge or grant a security interest in all or any portion of its Receivables to Citibank Credit Card Master Trust I, Citibank
Omni Trust or any direct or indirect subsidiaries of Citibank, N.A., affiliates of Citigroup Inc., additional trusts or other entities or trustees in connection therewith on such terms as to be determined by the Citibank, N.A. Securitization Pricing
and Loan Committee (the “Pricing and Loan Committee”). 
 The undersigned, a duly authorized member of the Pricing and Loan
Committee, on behalf of such Pricing and Loan Committee, does hereby certify that the preceding Issuer Certificate, the terms of the tranche of Notes set forth in and to be created by the Issuer Certificate and the increase in the Invested Amount of
the Collateral Certificate resulting from the issuance of such Notes have been approved by such Pricing and Loan Committee. In addition, the following underwriting/selling agent terms with respect to this tranche of Notes have been approved by the
Pricing and Loan Committee: 
 Issue Price: 99.98085% 

Underwriting Commission: 0.22500% 

Proceeds to Issuer: 99.75585% 

Representative of the Underwriters: Citigroup Global Markets Inc. 

The preceding Issuer Certificate and this certification of Pricing and Loan Committee approval shall be, continuously from the time of their
execution, official records of Citibank, N.A. 
  

	
	
	
	  

	[Name]
	Member of the Securitization Pricing and Loan Committee
	Citibank, N.A.

 Dated: January 26, 2017 

  
 5 

 Exhibit A 

FORM OF 
 CITISERIES 

1.74% CLASS 2017-A2 NOTES OF JANUARY 2019 

(Legal Maturity Date January 2021) 
  

					
	$[            ],000,000	  		  	REGISTERED
	CUSIP No. 17305E GA7	  		  	No. R-[1][2][3][4]

 UNLESS THIS NOTE IS PRESENTED BY AN AUTHORIZED REPRESENTATIVE OF THE DEPOSITORY TRUST COMPANY, A NEW YORK
CORPORATION (“DTC”), TO THE ISSUER OR ITS AGENT FOR REGISTRATION OF TRANSFER, EXCHANGE OR PAYMENT, AND ANY NOTE ISSUED IS REGISTERED IN THE NAME OF CEDE & CO. OR IN SUCH OTHER NAME AS IS REQUESTED BY AN AUTHORIZED REPRESENTATIVE
OF DTC (AND ANY PAYMENT IS MADE TO CEDE & CO. OR TO SUCH OTHER ENTITY AS IS REQUESTED BY AN AUTHORIZED REPRESENTATIVE OF DTC), ANY TRANSFER, PLEDGE OR OTHER USE HEREOF FOR VALUE OR OTHERWISE BY OR TO ANY PERSON IS WRONGFUL INASMUCH AS THE
REGISTERED OWNER HEREOF, CEDE & CO., HAS AN INTEREST HEREIN. 
 THE PRINCIPAL OF THIS NOTE IS PAYABLE AS SET FORTH HEREIN AND IN THE
INDENTURE REFERRED TO BELOW. ACCORDINGLY, THE OUTSTANDING PRINCIPAL AMOUNT OF THIS NOTE AT ANY TIME MAY BE LESS THAN THE AMOUNT SHOWN ON THE FACE HEREOF. 

CITIBANK CREDIT CARD ISSUANCE TRUST 

CITISERIES 
 1.74% CLASS 2017-A2
NOTES OF JANUARY 2019 
 (Legal Maturity Date January 2021) 

CITIBANK CREDIT CARD ISSUANCE TRUST, a trust formed and existing under the laws of the State of Delaware (including any successor, the “Issuer”),
for value received, hereby promises to pay to CEDE & CO., or its registered assigns, the principal amount of [            ] HUNDRED MILLION DOLLARS
($[            ],000,000). The Expected Principal Payment Date for this Note is January 17, 2019. The Legal Maturity Date for this Note is January 19, 2021. 

The Issuer hereby promises to pay interest on this Note on the 17th day of each January and July, beginning July 2017, until the principal of this Note is
paid or made available for payment, subject to certain limitations set forth in the Indenture. Interest will accrue on the outstanding principal amount of this Note for each interest period in an amount equal to the product of (i) the

 
number of days in the interest period computed on the basis of a 360-day year of twelve 30-day months, (ii) a rate per annum equal to the Class 2017-A2 Note Rate for such interest period,
and (iii) the outstanding principal amount of this Note as of the preceding Interest Payment Date (after giving effect to any payments of principal made on the preceding Interest Payment Date) or, with respect to the first Interest Payment
Date, the initial principal amount of this Note. The Class 2017-A2 Note Rate will be determined as provided in the Indenture. 
 If any Interest Payment
Date or Principal Payment Date of this Note falls on a day that is not a Business Day, the required payment of interest or principal will be made on the following Business Day. 

This Note is one of the Citiseries, Class 2017-A2 Notes issued pursuant to the Second Amended and Restated Indenture dated as of September 26, 2000, as
amended and restated as of August 9, 2011, and as further amended and restated as of November 10, 2016 (as so further amended and restated and otherwise modified from time to time, the “Indenture”) between the Issuer and Deutsche
Bank Trust Company Americas, as Trustee. For purposes of this Note, the term “Indenture” includes any supplemental indenture or Issuer Certificate relating to the Citiseries, Class 2017-A2 Notes. This Note is subject to all of the terms of
the Indenture. All terms used in this Note that are not otherwise defined herein and that are defined in the Indenture will have the meanings assigned to them therein. 

The principal of and interest on this Note are payable in such coin or currency of the United States of America as at the time of payment is legal tender for
payment of public and private debts. 
 Reference is made to the further provisions of this Note set forth on the reverse hereof, which will have the same
effect as though fully set forth on the face of this Note. 
 Unless the certificate of authentication hereon has been executed by the Trustee whose name
appears below by manual signature, this Note will not be entitled to any benefit under the Indenture, or be valid or obligatory for any purpose. 

 IN WITNESS WHEREOF, the Issuer has caused this instrument to be signed, manually or in facsimile, by an Issuer
Authorized Officer. 
  

					
	CITIBANK CREDIT CARD ISSUANCE TRUST
		
	By:	 	CITIBANK, N.A.,
		 	as Managing Beneficiary of
		 	Citibank Credit Card Issuance Trust
			
		 		 	
		 	By:	 	  

		 		 	[Name]
		 		 	[Title]

 Dated: January 26, 2017 

TRUSTEE’S CERTIFICATE OF AUTHENTICATION 

This is one of the Notes designated above and referred to in the within mentioned Indenture. 

 

			
	DEUTSCHE BANK TRUST COMPANY AMERICAS,
	as Trustee under the Indenture
		
	By:	 	  

		 	Authorized Signatory

 Dated: January 26, 2017 

 REVERSE OF NOTE 

This Note is one of a duly authorized issue of Notes of the Issuer, designated as its Citiseries 1.74% Class 2017-A2 Notes of January 2019 (Legal Maturity
Date January 2021) (herein called the “Notes”), all issued under an Indenture, to which Indenture reference is hereby made for a statement of the respective rights and obligations thereunder of the Issuer, the Trustee and the Holders of
the Notes. 
 This Note ranks pari passu with all other Class A Notes of the same series, as set forth in the Indenture. This Note is secured to the
extent, and by the collateral, described in the Indenture. 
 The Issuer will pay interest on overdue interest as set forth in the Indenture to the extent
lawful. 
 Each Holder by acceptance of this Note, and each owner of a beneficial interest in this Note by acceptance of a beneficial interest in this Note,
agrees that no recourse may be taken, directly or indirectly, with respect to the obligations of the Issuer or the Trustee on the Notes, against the Issuer, the Issuer Trustee, Citibank, N.A., the Trustee or any affiliate, officer, employee or
director of any of them, and the obligation of the Issuer to pay principal of or interest on this Note or any other amount payable to the Holder of this Note will be subject to Article V of the Indenture. 

Each Holder by acceptance of this Note, and each owner of a beneficial interest in this Note by acceptance of a beneficial interest in this Note, in each case
other than Citibank, N.A. as Holder or owner, agrees that this Note is intended to be debt of Citibank, N.A. for federal, state and local income and franchise tax purposes, and agrees to treat this Note accordingly for all such purposes, unless
otherwise required by a taxing authority. 
 Each Holder by acceptance of this Note, and each owner of a beneficial interest in this Note by acceptance of a
beneficial interest in this Note, agrees that it will not at any time institute against the Issuer, or join in any institution against the Issuer of, any bankruptcy, reorganization, arrangement, insolvency or liquidation proceeding, or other
proceedings under any United States federal or state bankruptcy or similar law in connection with any obligations relating to this Note, the Indenture or any Derivative Agreement. 

This Note and the Indenture will be construed in accordance with and governed by the laws of the State of New York. 

Certain amendments may be made to the Indenture without the consent of the Holder of this Note. This Note must be surrendered for final payment of principal
and interest. 

 ASSIGNMENT 

Social Security or taxpayer I.D. or other identifying number of
assignee:                                       
                                       

FOR VALUE RECEIVED, the undersigned hereby sells, assigns and transfers unto 
  

	
	 
	
	 

 (name and address of assignee) 

the within Note and all rights thereunder, and hereby irrevocably constitutes and appoints
                                         
               , attorney, to transfer said Note on the books kept for registration thereof, with full power of substitution in the premises. 

 

							
	 Dated:
	 	 	  		 	* 
		 		  		 	Signature Guaranteed:

  
  

* NOTE: The signature to this assignment must correspond with the name of the registered owner as it appears on the face of the within Note in every particular
without alteration, enlargement or any change whatsoever.

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