Document:

Promissory Note, dated December 17, 2009.

 Exhibit 4.1 
 DAIS ANALYTIC CORPORATION 
 10% Promissory Note 

  

			
	Issuance Date:	 	December 17, 2009
		
	    Principal Amount:	 	    One Million Dollars ($1,000,000)

 For value received, DAIS ANALYTIC
CORPORATION, a New York corporation (the “Maker”), hereby promises to pay to the order of Platinum Montaur Life Sciences, LLC, a Delaware limited liability company with an address of 152 West 57th Street, 54th Floor, New York, NY 10019 (together with its successors, representatives, and permitted assigns, the
“Holder”), in accordance with the terms hereinafter provided, the principal amount of ONE MILLION DOLLARS ($1,000,000), together with interest thereon. 
 All payments under or pursuant to this Note shall be made in United States Dollars in immediately available funds to the
Holder at the address of the Holder first set forth above or at such other place as the Holder may designate from time to time in writing to the Maker or by wire transfer of funds to the Holder’s account, as requested by the Holder. The
outstanding principal balance of this Note, together with all accrued and unpaid interest, shall be due and payable in full on the date that is six months from the Issuance Date set forth above (the “Maturity Date”) or at such
earlier time as provided herein. 
 ARTICLE I 
 PAYMENT 
 Section 1.1 Interest. Beginning on
the date of this Note (the “Issuance Date”), the outstanding principal balance of this Note shall bear interest at a rate per annum equal to ten percent (10%), payable on the Maturity Date. Interest shall be computed on the basis of
a 360-day year simple interest basis, and shall accrue commencing on the Issuance Date and paid on the Maturity Date along with the principal. 
 Section 1.2 Payment of Principal; Prepayment. The Principal Amount hereof shall be paid in full on the earliest of (i) the Maturity Date, (ii) the due date of any mandatory
prepayment as set forth herein, or (iii) upon acceleration of this Note in accordance with the terms hereof. Any amount of principal repaid hereunder may not be reborrowed. The Maker may prepay all or any portion of the principal amount of this
Note without premium or penalty. 
 Section 1.3 Seniority. The Note shall be unsecured, and shall be
“pari passu” with all other existing notes. The Maker may not make any payments to any future Noteholders at such time as an Event of Default under this Note exists. 
 Section 1.4 Payment on Non-Business Days. Whenever any payment to be made shall be due on a Saturday, Sunday or a
public holiday under the laws of the State of New York, such payment may be due on the next succeeding business day and such next succeeding day shall be included in the calculation of the amount of accrued interest payable on such date. 

Section 1.5 Use of Proceeds. The Maker shall use the proceeds of this Note for general working capital,
including inventory, additional people, an awareness program about the Company to the financial community, and to restructure or repay outstanding debt as it sees appropriate. 
 Section 1.6 Right of Participation. 
 (a) From the date hereof through the Maturity Date, upon any issuance by Maker for cash consideration of common stock,
debentures, notes, evidences of indebtedness or any equity or security convertible into common stock (a “Subsequent Financing”), the Holder shall have the option to participate in such Subsequent Financing, but only up to the dollar amount
as proposed by the Maker in the Subsequent Financing, on the same price, terms and conditions provided for in the Subsequent Financing, in which such case applicable amount owed under the Note shall be reduced. Notwithstanding the

  

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foregoing, in the event the Maker has paid any portion of this Note to Holder prior to such Subsequent Financing, such Holder’s participation in any Subsequent Financing shall be reduced by
the dollar amount previously paid by Maker to Holder. 
 (b) At least five (5) Trading Days prior to the
closing of the Subsequent Financing, the Maker shall deliver to the Holder a written notice of its intention to effect a Subsequent Financing (“Pre-Notice”), which Pre-Notice shall ask the Holder if Holder wants to review the details of
such financing (such additional notice, a “Subsequent Financing Notice”), contingent upon Holder agreeing to a non-disclosure agreement provided by the Maker, if any such information would constitute material non-public information. Upon
the request of the Holder, and only upon a request by the Holder, for a Subsequent Financing Notice, the Maker shall promptly deliver a Subsequent Financing Notice to the Holder. The Subsequent Financing Notice shall describe in reasonable detail
the proposed terms of such Subsequent Financing, the amount of proceeds intended to be raised there under and the person or persons through or with whom such Subsequent Financing is proposed to be effected and shall include a term sheet or similar
document relating thereto as an attachment. 
 (c) The Holder desiring to participate in such Subsequent
Financing must provide written notice to the Maker by not later than 5:30 p.m. (New York City time) on the fifth (5th) Trading Day after receipt of the Pre-Notice that the Holder is willing to participate in the Subsequent Financing. If the
Maker receives no such notice from Holder as of such fifth (5th) Trading Day, the Holder shall be deemed to have notified the Maker that it does not elect to participate. 
 Section 1.7 Future Debt Financing. The Maker hereby agrees that it will not incur any additional debt exceeding
$500,000, in the aggregate, during the term of this Note, provided however, the Holder may waive this provision at the Holder’s discretion. 
 ARTICLE II 
 EVENTS OF DEFAULT; REMEDIES 
 Section 2.1 Events of Default. The occurrence of any of the following events shall be an “Event of
Default” under this Note: 
 (a) any default in the payment of (1) the principal amount hereunder
when due, or (2) interest on, or liquidated damages in respect of, this Note, within three (3) business days after the same shall become due and payable (whether on the Maturity Date or by acceleration or otherwise); or 
 (b) the Maker shall fail to observe or perform any other covenant or agreement contained in this Note, which failure is not
cured, if possible to cure, within 60 calendar days after notice of such default sent by the Holder; or 
 (c)
the Maker issues, assumes or permits to exist additional debt, excluding any existing debt as of the date hereof, that is senior to in payment or security to this Note; or 
 (d) any material representation or warranty made by the Maker herein or otherwise to Holder shall prove to have been false or
incorrect or breached in a material respect on the date as of which made; or 
 (e) the Maker shall
(A) default in any payment of any amount or amounts of principal of or interest on any indebtedness (other than indebtedness as set forth in Schedule A hereto) the aggregate principal amount of which indebtedness is in excess of $500,000
or (B) default in the observance or performance of any other agreement or condition relating to any indebtedness (other than indebtedness as set forth in Schedule A hereto), that, in the aggregate, exceeds $500,000, or any other event
shall occur or condition exist, the effect of which default or other event or condition is to cause, or to permit the holder or holders or beneficiary or beneficiaries of such indebtedness to cause with the giving of notice if required, such
Indebtedness to become due prior to its stated maturity; or 
 (f) the Maker shall (i) apply for or consent
to the appointment of, or the taking of possession by, a receiver, custodian, trustee or liquidator of itself or of all or a substantial part of its property or assets, (ii)

  

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make a general assignment for the benefit of its creditors, (iii) commence a voluntary case under the United States Bankruptcy Code (as now or hereafter in effect) or under the comparable
laws of any jurisdiction (foreign or domestic), (iv) file a petition seeking to take advantage of any bankruptcy, insolvency, moratorium, reorganization or other similar law affecting the enforcement of creditors’ rights generally,
(v) acquiesce in writing to any petition filed against it in an involuntary case under United States Bankruptcy Code (as now or hereafter in effect) or under the comparable laws of any jurisdiction (foreign or domestic), (vi) issue a
notice of bankruptcy or winding down of its operations or issue a press release regarding same, or (vii) take any action under the laws of any jurisdiction (foreign or domestic) analogous to any of the foregoing; or 
 (g) a proceeding or case shall be commenced in respect of the Maker, without its application or consent, in any court of
competent jurisdiction, seeking (i) the liquidation, reorganization, moratorium, dissolution, winding up, or composition or readjustment of its debts, (ii) the appointment of a trustee, receiver, custodian, liquidator or the like of it or
of all or any substantial part of its assets in connection with the liquidation or dissolution of the Maker or (iii) similar relief in respect of it under any law providing for the relief of debtors, and such proceeding or case described in
clause (i), (ii) or (iii) shall continue undismissed, or unstayed and in effect, for a period of thirty (30) days or any order for relief shall be entered in an involuntary case under United States Bankruptcy Code (as now or hereafter
in effect) or under the comparable laws of any jurisdiction (foreign or domestic) against the Maker or action under the laws of any jurisdiction (foreign or domestic) analogous to any of the foregoing shall be taken with respect to the Maker and
shall continue undismissed, or unstayed and in effect for a period of thirty (30) days. 
 Section 2.2
Remedies Upon An Event of Default. If an Event of Default shall have occurred and continues, the Holder of this Note may after 60 calendar days notice from the Holder to the Maker (other than in the case of (f) and (g) above, which
shall require no such notice), at any time thereafter, at its option, declare the entire unpaid principal balance of this Note, together with all interest accrued hereon, due and payable, and thereupon, the same shall be accelerated and so due and
payable, without presentment, demand, protest, or notice, all of which are hereby expressly unconditionally and irrevocably waived by the Maker. Upon an Event of Default, the Holder may proceed to exercise all rights and remedies at law or equity.
The remedies provided in this Note shall be cumulative and in addition to all other remedies available under this Note, at law or in equity (including, without limitation, a decree of specific performance and/or other injunctive relief), no remedy
contained herein shall be deemed a waiver of compliance with the provisions giving rise to such remedy. This Note shall be deemed an unconditional obligation of Maker for the payment of money and, without limitation to any other remedies of Holder,
may be enforced against Maker by summary proceeding pursuant to New York Civil Procedure Law and Rules Section 3213 or any similar rule or statute in the jurisdiction where enforcement is sought. For purposes of such rule or statute, any other
document or agreement to which Holder and Maker are parties or which Maker delivered to Holder, which may be convenient or necessary to determine Holder’s rights hereunder or Maker’s obligations to Holder are deemed a part of this Note,
whether or not such other document or agreement was delivered together herewith or was executed apart from this Note. 
 Section 2.3 Additional Remedy Upon Non-Payment. If this Note is not paid in full on or before June     , 2010, the Holder shall be permitted, at its sole option and in addition to its other remedies hereunder, to
convert the principal and interest outstanding under this Note into any debt, equity or equity-linked security issued by the Maker in connection with any capital-raising issuance after the date hereof and prior to the date this Note is paid in full
on the terms and conditions of such offering, if any, it being understood that (i) nothing in this Section 2.3 shall be deemed to prohibit the Maker from prepaying the Note pursuant to Section 1.2 hereof and (ii) in connection
with any such conversion, the security issued to the Holder shall contain customary 9.9% beneficial ownership limitations in form and substance satisfactory to the Holder. 
 ARTICLE III 
 MISCELLANEOUS 
 Section 3.1 Notices. Any notice, demand, request, waiver or other communication required or permitted to be
given hereunder shall be in writing and shall be effective (a) upon hand delivery, telecopy

  

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or facsimile (with confirmation of receipt) at the address or number set forth on the signature page hereto (if delivered on a business day during normal business hours where such notice is to be
received), or the first business day following such delivery (if delivered other than on a business day during normal business hours where such notice is to be received) or (b) on the second business day following the date of mailing by express
overnight courier service, fully prepaid, addressed to such address, or upon actual receipt of such mailing, whichever shall first occur. 
 Section 3.2 Governing Law. This Note shall be governed by and construed in accordance with the internal laws of the State of New York, without giving effect to any of the conflicts of law
principles which would result in the application of the substantive law of another jurisdiction. This Note shall not be interpreted or construed with any presumption against the party causing this Note to be drafted. 
 Section 3.3 Headings. Article and section headings in this Note are included herein for purposes of convenience
of reference only and shall not constitute a part of this Note for any other purpose. 
 Section 3.4
Binding Effect; Amendments. The obligations of the Maker and the Holder set forth herein shall be binding upon the successors and assigns of each such party. This Note may not be modified or amended in any manner except in writing executed by
the Maker and the Holder. 
 Section 3.5 Consent to Jurisdiction. Each of the Maker and the Holder
(i) hereby irrevocably submits to the exclusive jurisdiction of the United States District Court sitting in the Southern District of New York and the courts of the State of New York located in New York county for the purposes of any suit,
action or proceeding arising out of or relating to this Note and (ii) hereby waives, and agrees not to assert in any such suit, action or proceeding, anyclaim that it is not personally subject to the jurisdiction of such court, that the suit,
action or proceeding is brought in an inconvenient forum or that the venue of the suit, action or proceeding is improper. Each of the Maker and the Holder consents to process being served in any such suit, action or proceeding by mailing a copy
thereof to such party at the address in effect for notices hereunder and agrees that such service shall constitute good and sufficient service of process and notice thereof. Nothing in this Section shall affect or limit any right to serve process in
any other manner permitted by law. 
 Section 3.6 Failure or Indulgence Not Waiver. No failure or
delay on the part of the Holder in the exercise of any power, right or privilege hereunder shall operate as a waiver thereof, nor shall any single or partial exercise of any such power, right or privilege preclude other or further exercise thereof
or of any other right, power or privilege. 
 Section 3.7 Maker Waivers; Dispute Resolution. Except
as otherwise specifically provided herein, the Maker and all others that may become liable for all or any part of the obligations evidenced by this Note, hereby waive presentment, demand, notice of nonpayment, protest and all other demands’ and
notices in connection with the delivery, acceptance, performance and enforcement of this Note, and do hereby consent to any number of renewals of extensions of the time or payment hereof and agree that any such renewals or extensions may be made
without notice to any such persons and without affecting their liability herein and do further consent to the release of any person liable hereon, all without affecting the liability of the other persons, firms or Maker liable for the payment of
this Note. 
 (a) No delay or omission on the part of the Holder in exercising its rights under this Note, or
course of conduct relating hereto, shall operate as a waiver of such rights or any other right of the Holder, nor shall any waiver by the Holder of any such right or rights on any one occasion be deemed a waiver of the same right or rights on any
future occasion. 
 (b) THE MAKER ACKNOWLEDGES THAT THE TRANSACTION OF WHICH THIS NOTE IS A PART IS A COMMERCIAL
TRANSACTION 
 Section 3.8 Fees and Expenses. Upon execution of this Note, the Maker shall reimburse
the Holder for legal fees incurred by the Holder in the drafting and negotiation of this Note in an amount no greater than $5,000 (which amount may be withheld by the Holder from amounts to be delivered to the Maker in connection with the issuance
of this Note). The Maker will pay on demand all reasonable costs of collection and attorneys’ fees paid or incurred by the Holder in enforcing the obligations of the Maker. The Maker represents and warrants that this Note is the legal, valid
and binding obligation of the Maker, enforceable in accordance with its terms. 
  

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 Further the Holder shall pay to Burnham Hill Partners, LLC the sum of
$15,000 for assisting in the negotiations between the Maker and the Holder of this Note. This sum will be paid by the Maker from the proceeds of the Note within no more than five (5) business days following the closing of this note by the
Parties. 
 [Signatures on the following page] 
  
  

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 IN WITNESS WHEREOF, the Maker has caused this Note to be duly
executed by its duly authorized officer as of the date first above indicated. 
  

			
	DAIS ANALYTIC CORPORATION
		
	By:	 	 /s/ Timothy N. Tangredi

	Name:	 	Timothy N. Tangredi
	Title:	 	President and Chief Executive Officer
	
	PLATINUM-MONTAUR LIFE SCIENCES, LLC
		
	By:	 	 /s/ Michael M. Goldberg

	Name:	 	Michael M. Goldberg, MD
	Title:	 	Portfolio Manager

  

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 SCHEDULE A 
  

								
	 Debt type 
	  	 Holder
	  	Principal	  	Date of Note
	 Due date
	  		  			  	
				
	 Secured convertible
	  	RP Capital	  	$	100,000	  	1/21/08
				
	 Secured convertible
	  	Mora	  	$	50,000	  	12/20/07
				
	 Secured convertible
	  	Michael Stone	  	$	200,000	  	12/11/07Supplemental Indenture, dated as of December 22, 2009

 Exhibit 4.1 
 JPMORGAN CHASE & CO. 
 (Formerly Known As The Chase
Manhattan Corporation) 
 AND 
 THE BANK OF NEW YORK MELLON, 
 as Trustee 
 SUPPLEMENTAL INDENTURE 
 Dated as of December 22, 2009 
 to 
 JUNIOR SUBORDINATED INDENTURE 
 Dated as of December 1, 1996 

 SUPPLEMENTAL INDENTURE, dated as of December 22, 2009, between JPMORGAN
CHASE & CO. (formerly known as “The Chase Manhattan Corporation”), a Delaware corporation (the “Company”) having its principal office at 270 Park Avenue, New York, NY 10017, and THE BANK OF NEW YORK MELLON (formerly
known as The Bank of New York), a New York banking corporation, as Trustee (the “Trustee”). 
 WITNESSETH: 

WHEREAS, the Company and the Trustee have heretofore executed and delivered a certain Junior Subordinated Indenture, dated as of
December 1, 1996, as supplemented by a supplemental indenture thereto, dated as of September 23, 2004, and a supplemental indenture thereto, dated as of May 9, 2005 (as so supplemented, the “Indenture”; capitalized terms not
otherwise defined herein shall have the meanings set forth in the Indenture), providing for the issuance from time to time of Securities; 
 WHEREAS, Section 9.1(7) of the Indenture provides that a supplemental indenture may be entered into by the Company and the Trustee without the consent of any Holder of any Securities to cure any
ambiguity, to correct or supplement any provision of the Indenture which may be defective or inconsistent with any other provision of the Indenture, or to make any other provisions with respect to matters or questions arising under the Indenture,
provided that such action shall not adversely affect the interest of the Holders of Securities of any series in any material respect or, in the case of the Securities of a series issued to a Trust and for so long as any of the corresponding series
of Preferred Securities issued to a Trust shall remain outstanding, the holders of such Preferred Securities; 
 WHEREAS, the
modifications set forth herein do not adversely affect the interests of the Holders of Securities in any material respect; 
 WHEREAS, the conditions set forth in the Indenture for the execution and delivery of this Supplemental Indenture have been satisfied; and 
 WHEREAS, all things necessary to make this Supplemental Indenture a valid agreement of the Company and the Trustee, in accordance with its terms, and a valid amendment of, and supplement to, the Indenture
have been done. 
 NOW, THEREFORE, in consideration of the premises and the purchase of the Securities by the Holders thereof
from time to time on or after the date hereof, it is mutually covenanted and agreed, for the equal and proportionate benefit of all such Holders, that the Indenture is supplemented and amended, to the extent and for the purposes expressed herein, as
follows: 
 ARTICLE I 
 SCOPE OF THIS SUPPLEMENTAL INDENTURE 
 1.1. The changes, modifications and
supplements to the Indenture effected by this Supplemental Indenture in Sections 2.1 through 2.5 hereof shall be applicable with respect to, and govern the terms of, any series of Securities issued under the Indenture, whether issued prior to, on or
after the date hereof. 

 ARTICLE II 
 AMENDMENTS 
 2.1. The following definition is hereby added to Section 1.1 of
the Indenture: 
 “Attorney-in-Fact” means an officer of the Company who has been duly appointed as an
attorney-in-fact by the Company. 
 2.2. The definition of “Company Request” and “Company Order” contained
in Section 1.1 of the Indenture is hereby amended in its entirety to read as follows: 
 “Company
Request” and “Company Order” mean, respectively, the written request or order signed in the name of the Company by (i) the Chairman of the Board, a Vice Chairman, the President, the Chief Financial Officer, a Vice President, a
Managing Director or any Attorney-in-Fact of the Company, and by (ii) any additional officer having any of the foregoing titles or by the Controller, an Assistant Controller, the Secretary or an Assistant Secretary of the Company, and delivered
to the Trustee. 
 2.3. The definition of “Officers’ Certificate” contained in Section 1.1 of the Indenture
is hereby amended in its entirety to read as follows: 
 “Officers’ Certificate” means a
certificate signed by (i) the Chairman of the Board, a Vice Chairman, the President, the Chief Financial Officer, a Vice President, a Managing Director or any Attorney-in-Fact of the Company, and by (ii) any additional officer having any
of the foregoing titles or by the Controller, an Assistant Controller, the Secretary or an Assistant Secretary of the Company, and delivered to the Trustee. 
 2.4. The Form of Face of Security set forth in Section 2.2 of the Indenture shall be modified to delete therefrom the following words: “[President or Vice President]”. 
 2.5. The first paragraph of Section 3.3 of the Indenture is hereby amended in its entirety to read as follows: 
 “The Securities shall be executed on behalf of the Company by the Chairman of the Board, a Vice Chairman, the President, the Chief
Financial Officer, a Vice President, a Managing Director or any Attorney-in-Fact of the Company and attested by its Secretary or one of its Assistant Secretaries. The signature of any of these officers on the Securities may be manual of
fascimile.” 

 ARTICLE III 
 MISCELLANEOUS 
 3.1. If any provision of this Supplemental Indenture limits,
qualifies or conflicts with the duties imposed by any of Sections 310 to 317, inclusive, of the Trust Indenture Act of 1939 through operation of Section 318(c) thereof, such imposed duties shall control. 
 3.2. The Article headings herein are for convenience only and shall not effect the construction hereof. 
 3.3. All covenants and agreements in this Supplemental Indenture by the Company shall bind its successors and assigns, whether so expressed
or not. 
 3.4. In case any provision of this Supplemental Indenture shall be invalid, illegal or unenforceable, the validity,
legality and enforceability of the remaining provisions shall not in any way be affected or impaired thereby. 
 3.5. Nothing in
this Supplemental Indenture is intended to or shall provide any rights to any parties other than those expressly contemplated by this Supplemental Indenture. 
 3.6. THIS SUPPLEMENTAL INDENTURE SHALL BE GOVERNED BY AND CONSTRUED IN ACCORDANCE WITH THE LAWS OF THE STATE OF NEW YORK. 
 3.7. The Trustee makes no representations as to the validity or sufficiency of this Supplemental Indenture. The recitals and statements herein are deemed to be those of the Company and not of the
Trustee. 

 * * * * 
 This instrument may be executed in any number of counterparts, each of which so executed shall be deemed to be an original, but all of which counterparts shall together constitute but one and the same
instrument. 
 IN WITNESS WHEREOF, the parties hereto have caused this Supplemental Indenture to be duly executed, all as of the
day and year first above written. 
  

			
	 JPMORGAN CHASE & CO.

		
	 By
	 	 /s/ Peter W. Smith

	Name:	 	Peter W. Smith
	Title:	 	Vice President

  
  

			
	
	 THE BANK OF NEW YORK MELLON
 as Trustee

		
	 By
	 	 /s/ Franca M. Ferrera

	Name:	 	Franca M. Ferrera
	Title:	 	Senior Associate

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