Document:

EXHIBIT
4.12

 

CLASS
E

COMMON
STOCK PURCHASE WARRANT

 

To
Purchase ___________ Shares of Common Stock of

 

SIGNPATH
PHARMA INC.

 

THIS
CLASS E COMMON STOCK PURCHASE WARRANT (this “Warrant”) CERTIFIES that, for value received, _____________________
(the “Holder”), is entitled, upon the terms and subject to the limitations on exercise and the conditions hereinafter
set forth, at any time on or after the date of issuance of this Warrant (the “Initial Exercise Date”) and on
or prior to 5:00 p.m. (New York time) on the seven-year anniversary of the Effective Date (as defined below) (the “Termination
Date”) but not thereafter, to subscribe for and purchase from SignPath Pharma Inc., a Delaware corporation (the “Company”),
up to _________________ ___________________ (_________) shares (the “Warrant Shares”) of Common Stock, par
value $0.001 per share, of the Company (the “Common Stock”). The purchase price per share of Common Stock (the
“Exercise Price”) under this Warrant shall be $3.00 subject to adjustment hereunder.

 

In
addition to the terms defined elsewhere in this Warrant the following capitalized terms shall have the following meanings:

 

“Business
Day” means any day other than a Saturday, Sunday or legal holiday in the State of New York.

 

“Effective
Date” means the date on which the SEC declares effective a Registration Statement registering for resale the Warrant
Shares of the Holder.

 

    	 

    	 

    

 

Warrant
No. E-___

 

“Market
Price” means for any security as of any date, the last closing bid price or last closing trade price, respectively,
for such security on the Trading Market, as reported by Bloomberg, or, if the Trading Market begins to operate on an extended
hours basis and does not designate the closing bid price or the closing trade price, as the case may be, then the last bid price
or last trade price, respectively, of such security prior to 4:00:00 p.m., New York Time, as reported by Bloomberg, or, if the
Trading Market is not the principal securities exchange or trading market for such security, the last closing bid price or last
trade price, respectively, of such security on the principal securities exchange or trading market where such security is listed
or traded as reported by Bloomberg, or if the foregoing do not apply, the last closing bid price or last trade price, respectively,
of such security in the over-the-counter market on the electronic bulletin board for such security as reported by Bloomberg, or,
if no closing bid price or last trade price, respectively, is reported for such security by Bloomberg, the average of the bid
prices, or the ask prices, respectively, of any market makers for such security as reported by OTC Markets Group, Inc. (formerly
the “Pink Sheets”) If the Market Price cannot be calculated for a security on a particular date on any of the foregoing
bases, the Market Price of such security on such date shall be the fair market value as determined by the board of directors of
the Company. All such determinations to be appropriately adjusted for any stock dividend, stock split, stock combination or other
similar transaction during the applicable calculation period.

 

“Person”
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 any other entity of any kind.

 

“Registration
Statement” means a registration statement filed by the Company with the Securities and Exchange Commission (“SEC”)
for a public offering and sale of securities of the Company (other than a registration statement on Form S-8 or Form S-4, or their
successors, or any other form for a limited purpose, or any registration statement covering only securities proposed to be issued
in exchange for securities or assets of another corporation).

 

“Subscription
Agreement” means that certain Subscription Agreement entered into between the original Holder of this Warrant and SignPath
Pharma Inc., which provided for, among other things, the original purchase of this Warrant from SignPath Pharma Inc.

 

“Trading
Day” means (i) a day on which the Common Stock is traded or quoted on a Trading Market, or (ii) if the Common Stock
is not traded or quoted on a Trading Market, a day on which the Common Stock is quoted in the over-the-counter market as reported
by the OTC Markets Group, Inc. (or any similar organization or agency succeeding to its functions of reporting price); provided,
that in the event that the Common Stock is not traded or quoted as set forth in (i), and (ii) hereof, that Trading Day shall mean
a Business Day.

 

“Trading
Market” means the following markets or exchanges on which the Common Stock is listed or quoted for trading on the date
in question: the NYSE, the NYSE Euronext, NYSE Markets LLC, the NASDAQ Capital Market, NASDAQ Global Market, the NASDAQ Global
Select Market or the OTC QB or QX.

 

1.
Title to Warrant. Prior to the Termination Date and subject to compliance with applicable laws and Section 7 of
this Warrant, this Warrant and all rights hereunder are transferable, in whole or in part, at the office or agency of the Company
by the Holder in person or by duly authorized attorney, upon surrender of this Warrant together with the Assignment Form annexed
hereto properly endorsed. The transferee shall sign an investment letter in form and substance reasonably satisfactory to the
Company.

 

    	 	2	 

    	 

    

 

Warrant
No. E-___

 

2.
Authorization of Shares. The Company covenants that all Warrant Shares which may be issued upon the exercise of the purchase
rights represented by this Warrant will, upon exercise of such purchase rights in accordance with the terms and conditions of
this Warrant, including, without limitation, payment of the Exercise Price, be duly authorized, validly issued, fully paid and
nonassessable and free from all taxes, liens and charges in respect of the issue thereof (other than taxes in respect of any transfer
occurring contemporaneously with such issue).

 

3.
Exercise of Warrant.

 

(a)
Exercise of the purchase rights represented by this Warrant may be made at any time or times on or after the Initial Exercise
Date and on or before the Termination Date by delivery to the Company of a duly executed facsimile copy of the Notice of Exercise
Form annexed hereto (the “Notice of Exercise Form”), at the office of the Company (or such other office or
agency of the Company as it may designate by notice in writing to the registered Holder at the address of such Holder appearing
on the books of the Company); provided, however, the Holder shall also have surrendered the original of this Warrant
to the Company and the Company shall have received payment of the aggregate Exercise Price of the Warrant Shares thereby purchased
by wire transfer or cashier’s check drawn on a United States bank. Certificates for shares purchased hereunder shall be
delivered to the Holder promptly following the latest to occur of delivery to the Company of the Notice of Exercise Form, surrender
of this Warrant and payment of the aggregate Exercise Price as set forth above. This Warrant shall be deemed to have been exercised
and the Warrant Shares (to which the exercise relates) shall be deemed to have been issued, and Holder or any other person so
designated to be named therein shall be deemed to have become a holder of record of such shares for all purposes, as of the date
of the latest to occur of (i) delivery to the Company of the Notice of Exercise Form, (ii) surrender of this Warrant and (iii)
payment of the aggregate Exercise Price as set forth above and all taxes required to be paid by the Holder, if any, pursuant to
Section 5 (“Exercise Date”).

 

(b)
If this Warrant shall have been exercised in part, the Company shall, at the time of delivery of the certificate or certificates
representing Warrant Shares, deliver to Holder a new Warrant evidencing the rights of Holder to purchase the unpurchased Warrant
Shares called for by this Warrant, which new Warrant shall in all other respects be identical with this Warrant.

 

    	 	3	 

    	 

    

 

Warrant
No. E-___

 

(c)
Subject to the provisions of this Section 3, if there is a currently effective Registration Statement registering the resale
of the Warrant Shares by the Holder, upon either: (i) completion of an underwritten initial public offering, or (ii) the Company’s
Common Stock is traded on a national securities exchange or in the over-the-counter market at or above $4.00 per share for 20
consecutive trading days (the “Threshold Price”) (subject to adjustment), then the Company may, within fifteen (15)
days of either (A) the Effective Date, or (B) 20 consecutive trading days at or above $4.00 per share , redeem all or any portion
of this Warrant for which a Notice of Exercise has not yet been delivered at a price of $.01 per share of Common Stock (such right,
a “Redemption”). To exercise this right, the Company must deliver to the Holder an irrevocable written notice
(a “Redemption Notice”), indicating therein the unexercised portion of this Warrant to which such notice applies.
Deposit of such Redemption Notice with a recognized courier service, a recognized overnight delivery service or with the U.S.
Postal Service (via certified or registered mail) in accordance with Section 17(d) within the above fifteen (15) Trading Day period
shall be considered a timely Redemption. If the conditions set forth above for such Redemption are satisfied, from the period
from the date of the Redemption Notice through and including the Redemption Date (as defined below), then any portion of this
Warrant subject to such Redemption Notice for which a Notice of Exercise, the original Warrant certificate and the applicable
aggregate Exercise Price shall not have been received from and after the date of the Redemption Notice will be cancelled at 6:30
p.m. (Eastern Time) on the thirtieth (30th) calendar day after the date the Redemption Notice is sent to the Holder (such date,
the “Redemption Date”). Any unexercised portion of this Warrant to which the Redemption Notice does not pertain
will be unaffected by such Redemption Notice. In furtherance thereof, the Company covenants and agrees that it will honor all
Notices of Exercise with respect to Warrant Shares subject to a Redemption Notice that are tendered, with the original of this
Warrant certificate and the applicable aggregate Exercise Price, from the time of delivery of the Redemption Notice through 6:30
p.m. (Eastern Time) on the Redemption Date. The parties agree that any Notice of Exercise delivered following a Redemption Notice
shall first apply to the Warrant Shares subject to such Redemption Notice prior to applying to the remaining Warrant Shares available
for purchase under this Warrant. Subject again to the provisions of this Section 3(c), the Company may deliver subsequent
Redemption Notices for any portion of this Warrant for which the Holder shall not have delivered a Notice of Exercise. The Company’s
right to redeem the Warrant shall be exercised ratably among all holders of warrants issued pursuant to Subscription Agreements
entered into as part of the same financing.

 

(d)
If as of six (6) months following the Initial Exercise Date, there is not a currently available Registration Statement permitting
the resale of all of the Warrant Shares issuable under this Warrant at the time a Notice of Exercise Form is delivered to the
Company (either due to the inability of the Company to either have the SEC declare such Registration Statement effective on or
prior to such date or to maintain the effectiveness of such Registration Statement for the duration of the period prescribed in
the Registration Statement), the Holder may initiate a cashless exercise (a “Cashless Exercise”), as hereinafter
provided. The Holder may effect a Cashless Exercise by surrendering this Warrant to the Company and noting on the Notice of Exercise
Form that the Holder wishes to effect a Cashless Exercise, upon which the Company shall issue to the Holder the number of Warrant
Shares determined as follows:

 

X
= Y x (A-B)/A

where:

X
= the number of Warrant Shares to be issued to the Holder;

Y
= the number of Warrant Shares with respect to which this Warrant is being exercised;

A
= the Market Price as of the Exercise Date; and

B
= the Exercise Price.

 

    	 	4	 

    	 

    

 

Warrant
No. E-___

 

For
purposes of Rule 144 under the Securities Act, it is intended and acknowledged that the Warrant Shares issued in a Cashless Exercise
transaction shall be deemed to have been acquired by the Holder, and the holding period for the Warrant Shares required by Rule
144 shall be deemed to have been commenced, on the date this Warrant was originally issued by the Company.

 

4.
No Fractional Shares or Scrip. No fractional shares or scrip representing fractional shares shall be issued upon the exercise
of this Warrant. As to any fraction of a share which the Holder would otherwise be entitled to purchase upon such exercise, the
Company shall pay a cash adjustment in respect of such final fraction in an amount equal to such fraction multiplied by the Exercise
Price.

 

5.
Charges, Taxes and Expenses. Issuance of certificates for Warrant Shares shall be made without charge to the Holder for
any issue or transfer tax or other incidental expense in respect of the issuance of such certificate, all of which taxes and expenses
shall be paid by the Company, and such certificates shall be issued in the name of the Holder or in such name or names as may
be directed by the Holder; provided, however, that in the event certificates for Warrant Shares are to be issued
in a name other than the name of the Holder, this Warrant when surrendered for exercise shall be accompanied by the Assignment
Form attached hereto duly executed by the Holder; and the Company may require, as a condition thereto, the payment of a sum sufficient
to reimburse it for any transfer tax incidental thereto.

 

6.
Closing of Books. The Company will not close its stockholder books or records in any manner which prevents the timely exercise
of this Warrant, pursuant to the terms hereof.

 

7.
Transfer, Division and Combination.

 

(a)
Subject to compliance with any applicable securities laws and the conditions set forth in Sections 1 and 7(e) hereof
and in the Subscription Agreement, this Warrant and all rights hereunder are transferable, in whole or in part, upon surrender
of this Warrant at the principal office of the Company, together with a written assignment of this Warrant substantially in the
form attached hereto duly executed by the Holder or its agent or attorney and funds sufficient to pay any transfer taxes payable
upon the making of such transfer. Upon such surrender and, if required, such payment, the Company shall execute and deliver a
new Warrant or Warrants in the name of the assignee or assignees and in the denomination or denominations specified in such instrument
of assignment, and shall issue to the assignor a new Warrant evidencing the portion of this Warrant not so assigned, and this
Warrant shall promptly be cancelled.

 

    	 	5	 

    	 

    

 

Warrant
No. E-___

 

(b)
This Warrant may be divided or combined with other Warrants (if such other Warrants are upon the same terms, other than number
of Warrant Shares, as this Warrant) upon presentation hereof at the aforesaid office of the Company, together with a written notice
specifying the names and denominations in which new Warrants are to be issued, signed by the Holder or its agent or attorney.
Subject to compliance with Section 7(a), as to any transfer which may be involved in such division or combination, the
Company shall execute and deliver a new Warrant or Warrants in exchange for the Warrant or Warrants to be divided or combined
in accordance with such notice.

 

(c)
The Company shall prepare, issue and deliver at its own expense (other than transfer taxes) the new Warrant or Warrants under
this Section 7.

 

(d)
The Company agrees to maintain, at its aforesaid office, books for the registration and the registration of transfer of the Warrants.

 

(e)
The Holder acknowledges that it has been advised by the Company that this Warrant and the Warrant Shares issuable upon exercise
hereof (collectively the “Securities”) have not been registered under the Securities Act, that the Warrant
is being issued, and the shares issuable upon exercise of the Warrant will be issued, on the basis of the statutory exemption
provided by Section 4(a)(2) of the Securities Act relating to transactions by an issuer not involving any public offering, and
that the Company’s U.C. reliance upon this statutory exemption is based in part upon the representations made by the Holder
contained herein. The Holder acknowledges that he has been informed by the Company of, or is otherwise familiar with, the nature
of the limitations imposed by the Securities Act and the rules and regulations thereunder on the transfer of securities. In particular,
the Holder agrees that no sale, assignment or transfer of the Securities shall be valid or effective, and the Company shall not
be required to give any effect to any such sale, assignment or transfer, unless (i) the sale, assignment or transfer of the Securities
is registered under the Securities Act, and the Company has no obligations or intention to so register the Securities except as
may otherwise be provided herein, or (ii) the Securities are sold, assigned or transferred in accordance with all the requirements
and limitations of Rule 144 under the Securities Act or such sale, assignment, or transfer is otherwise exempt from registration
under the Securities Act. The Holder represents and warrants that he has acquired this Warrant and will acquire the Securities
for his own account for investment and not with a view to the sale or distribution thereof or the granting of any participation
therein, and that he has no present intention of distributing or selling to others any of such interest or granting any participation
therein. If, at the time of the surrender of this Warrant in connection with any transfer of this Warrant, the transfer of this
Warrant shall not be registered pursuant to an effective Registration Statement and under applicable state securities or blue
sky laws, the Company may require, as a condition of allowing such transfer (i) that the Holder or transferee of this Warrant,
as the case may be, furnish to the Company a written opinion of counsel reasonably acceptable to the Company (which opinion shall
be in form, substance and scope customary for opinions of counsel in comparable transactions) to the effect that such transfer
may be made without registration under the Securities Act and under applicable state securities or blue sky laws, (ii) that the
holder or transferee execute and deliver to the Company an investment letter in form and substance acceptable to the Company and
(iii) that the transferee be an “accredited investor” as defined in Rule 501 promulgated under the Securities Act
or a qualified institutional buyer as defined in Rule 144A(a) under the Securities Act.

 

    	 	6	 

    	 

    

 

Warrant
No. E-___

 

(f)
The Holder acknowledges that the Warrant Shares shall bear the following legend:

 

“These
securities have not been registered under the Securities Act of l933. Such securities may not be sold or offered for sale, transferred,
hypothecated or otherwise assigned in the absence of an effective registration statement with respect thereto under such Act or
an opinion of counsel to the Company that an exemption from registration for such sale, offer, transfer, hypothecation or other
assignment is available under such Act.”

 

8.
No Rights as Shareholder until Exercise. This Warrant does not entitle the Holder to any voting rights or other rights
as a shareholder of the Company prior to the exercise hereof. Upon the exercise of this Warrant, the Warrant Shares so purchased
shall be, and be deemed to be, issued to such Holder as the record owner of such shares as of the close of business on the Exercise
Date with respect to such exercise.

 

9.
Loss, Theft, Destruction or Mutilation of Warrant. The Company covenants that upon receipt by the Company of evidence reasonably
satisfactory to it of the loss, theft, destruction or mutilation of this Warrant, and in case of loss, theft or destruction, of
indemnity or security reasonably satisfactory to it, and upon surrender and cancellation of such Warrant, if mutilated, the Company
will make and deliver a new Warrant of like tenor and dated as of such cancellation, in lieu of such Warrant.

 

10.
Business Days. If the last or appointed day for the taking of any action or the expiration of any right required or granted
herein shall not be a Business Day, then such action may be taken or such right may be exercised on the next succeeding Business
Day.

 

11.
Adjustments of Exercise Price and Number of Warrant Shares; Stock Splits, etc.

 

Stock
Dividends and Distributions, Stock Splits and Reclassifications

 

The
number and kind of securities purchasable upon the exercise of this Warrant and the Exercise Price shall be subject to adjustment
from time to time upon the happening of any of the following. In case the Company shall (i) pay a dividend in shares of Common
Stock or make a distribution in shares of Common Stock to holders of its outstanding Common Stock, (ii) subdivide its outstanding
shares of Common Stock into a greater number of shares, (iii) combine its outstanding shares of Common Stock into a smaller number
of shares of Common Stock, or (iv) issue any shares of its capital stock in a reclassification of the Common Stock, then the Exercise
Price in effect at the time of the record date for such dividend or distribution or the effective date of such subdivision, combination
or reclassification shall be proportionately adjusted. Any adjustment made herein that result in a decrease (or increase) in the
Exercise Price shall also result in a proportional increase (or decrease) in the number of shares of Common Stock into which this
Warrant is exercisable. Successive adjustments in the Exercise Price and number of Warrant Shares shall be made whenever any event
specified above shall occur. An adjustment made pursuant to this paragraph shall become effective immediately after the effective
date of such event retroactive to the record date, if any, for such event.

 

    	 	7	 

    	 

    

 

Warrant
No. E-___

 

12.
Reorganization, Reclassification, Merger, Consolidation or Disposition of Assets. In case the Company shall reorganize
its capital, reclassify its capital stock, consolidate or merge with or into another corporation (where the Company is not the
surviving corporation or where there is a change in or distribution with respect to the Common Stock of the Company), or sell,
transfer or otherwise dispose all or substantially all of its property, assets or business to another corporation and, pursuant
to the terms of such reorganization, reclassification, merger, consolidation or disposition of assets, shares of common stock
of the successor or acquiring corporation, or any cash, shares of stock or other securities or property of any nature whatsoever
(including warrants or other subscription or purchase rights) in addition to or in lieu of common stock of the successor or acquiring
corporation (“Other Property”), are to be received by or distributed to the holders of Common Stock of the
Company, then the Holder shall have the right thereafter to receive, upon exercise of this Warrant, the number of shares of common
stock of the successor or acquiring corporation or of the Company, if it is the surviving corporation, and Other Property receivable
upon or as a result of such reorganization, reclassification, merger, consolidation or disposition of assets by a Holder of the
number of shares of Common Stock for which this Warrant is exercisable immediately prior to such event. In case of any such reorganization,
reclassification, merger, consolidation or disposition of assets (“Extraordinary Transaction”), the successor
or acquiring corporation (if other than the Company) shall expressly assume the due and punctual observance and performance of
each and every covenant and condition of this Warrant to be performed and observed by the Company and all the obligations and
liabilities hereunder, subject to such modifications as may be deemed appropriate (as determined in good faith by resolution of
the Board of Directors of the Company) in order to provide for adjustments of Warrant Shares for which this Warrant is exercisable
which shall be as nearly equivalent as practicable to the adjustments provided for in this Section 12. As soon as commercially
practicable following the Extraordinary Transaction, the successor or acquiring corporation (if other than the Company), shall
deliver to Holder a new warrant in repacement of this Warrant consistent with the provisions referenced in the immediately preceding
sentence against receipt by such successor or acquiring corporation of the original of this Warrant. For purposes of this Section
12, “common stock of the successor or acquiring corporation” shall include stock of such corporation of any class
which is not preferred as to dividends or assets over any other class of stock of such corporation and which is not subject to
redemption and shall also include any evidences of indebtedness, shares of stock or other securities which are convertible into
or exchangeable for any such stock, either immediately or upon the arrival of a specified date or the happening of a specified
event and any warrants or other rights to subscribe for or purchase any such stock. The foregoing provisions of this Section
12 shall similarly apply to successive reorganizations, reclassifications, mergers, consolidations or disposition of assets.

 

13.
Voluntary Adjustment by the Company. The Company may at any time during the term of this Warrant reduce the then current
Exercise Price to any amount and for any period of time deemed appropriate by the Board of Directors of the Company.

 

    	 	8	 

    	 

    

 

Warrant
No. E-___

 

14.
Notice of Adjustment. Whenever the number of Warrant Shares or number or kind of securities or other property purchasable
upon the exercise of this Warrant or the Exercise Price is adjusted, as herein provided, the Company shall give prior written
notice thereof to the Holder of at least 15 days prior to the date on which the Company closes its books or takes a record for
determining the particular event, which notice shall state the number of Warrant Shares (and other securities or property) purchasable
upon the exercise of this Warrant and the Exercise Price of such Warrant Shares (and other securities or property) after such
adjustment, setting forth a brief statement of the facts requiring such adjustment and setting forth the computation by which
such adjustment was made.

 

15.
Notice of Corporate Action. If at any time:

 

(a)
the Company shall take a record of the holders of its Common Stock for the purpose of entitling them to receive a dividend or
other distribution, or any right to subscribe for or purchase any evidences of its indebtedness, any shares of stock of any class
or any other securities or property, or to receive any other right, or

 

(b)
there shall be any capital reorganization of the Company, any reclassification or recapitalization of the capital stock of the
Company or any consolidation or merger of the Company with (other than a consolidation or merger in which the Company is the surviving
corporation), or any sale, transfer or other disposition of all or substantially all the property, assets or business of the Company
to, another corporation, or

 

(c)
there shall be a voluntary or involuntary dissolution, liquidation or winding up of the Company;

 

then,
in any one or more of such cases, the Company shall give to Holder (i) at least fifteen (15) days’ prior written notice
of the date on which a record date shall be selected for such dividend, distribution or right or for determining rights to vote
in respect of any such reorganization, reclassification, merger, consolidation, sale, transfer, disposition, liquidation or winding
up, and (ii) in the case of any such reorganization, reclassification, merger, consolidation, sale, transfer, disposition, dissolution,
liquidation or winding up, at least fifteen (15) days’ prior written notice of the date when the same shall take place.
Such notice in accordance with the foregoing clause also shall specify (i) the date on which any such record is to be taken for
the purpose of such dividend, distribution or right, the date on which the holders of Common Stock shall be entitled to any such
dividend, distribution or right, and the amount and character thereof, and (ii) the date on which any such reorganization, reclassification,
merger, consolidation, sale, transfer, disposition, dissolution, liquidation or winding up is to take place and the time, if any
such time is to be fixed, as of which the holders of Common Stock shall be entitled to exchange their Warrant Shares for securities
or other property deliverable upon such disposition, dissolution, liquidation or winding up. Each such written notice shall be
sufficiently given if addressed to Holder at the last address of Holder appearing on the books of the Company and delivered in
accordance with Section 17(d).

 

    	 	9	 

    	 

    

 

Warrant
No. E-___

 

16.
Authorized Shares. The Company covenants that during the period the Warrant is outstanding, it will reserve from its authorized
and unissued Common Stock a sufficient number of shares to provide for the issuance of the Warrant Shares upon the exercise of
any purchase rights under this Warrant (the “Required Minimum”). If, on any date, the number of authorized
but unissued (and otherwise unreserved) shares of Common Stock is less than the Required Minimum on such date, then the Board
of Directors of the Company shall use commercially reasonable efforts to amend the Company’s certificate or articles of
incorporation to increase the number of authorized but unissued shares of Common Stock to at least the number of shares of Common
Stock that would result from the full exercise of the Warrant Shares at such time, as soon as possible and in any event not later
than the 75th day after such date. The Company further covenants that its issuance of this Warrant shall constitute full authority
to its officers who are charged with the duty of executing stock certificates to execute and issue the necessary certificates
for the Warrant Shares upon the exercise of the purchase rights under this Warrant. The Company will take all such reasonable
action as may be necessary to assure that such Warrant Shares may be issued as provided herein without violation of any applicable
law or regulation, or of any requirements of the Trading Market upon which the Common Stock may be listed.

 

Except
and to the extent as waived or consented to by the Holder, the Company shall not by any action, including, without limitation,
amending its certificate of incorporation or through any reorganization, transfer of assets, consolidation, merger, dissolution,
issue or sale of securities or any other voluntary action, avoid or seek to avoid the observance or performance of any of the
terms of this Warrant. Without limiting the generality of the foregoing, the Company will (a) not increase the par value of any
Warrant Shares above the amount payable therefor upon such exercise immediately prior to such increase in par value, (b) take
all such action as may be necessary or appropriate in order that the Company may validly and legally issue fully paid and nonassessable
Warrant Shares upon the exercise of this Warrant, and (c) use commercially reasonable efforts to obtain all such authorizations,
exemptions or consents from any public regulatory body having jurisdiction thereof as may be necessary to enable the Company to
perform its obligations under this Warrant.

 

Before
taking any action which would result in an adjustment in the number of Warrant Shares for which this Warrant is exercisable or
in the Exercise Price, the Company shall obtain all such authorizations or exemptions thereof, or consents thereto, as may be
necessary from any public regulatory body or bodies having jurisdiction thereof.

 

17.
Miscellaneous.

 

(a)
Governing Law. This Warrant shall be governed by and construed in accordance with the internal laws of the State of Delaware
without regard to the conflicts of law principles thereof. The parties hereto hereby irrevocably agree that any suit or proceeding
arising directly and/or indirectly pursuant to or under this Warrant, shall be brought solely in a federal or state court located
in the State of Delaware. By its execution hereof, the parties hereby covenant and irrevocably submit to the in personam
jurisdiction of the federal and state courts located in the State of Delaware and agree that any process in any such action may
be served upon any of them personally, or by certified mail or registered mail upon them or their agent, return receipt requested,
with the same full force and effect as if personally served upon them in the State of Delaware. The parties hereto waive any claim
that any such jurisdiction is not a convenient forum for any such suit or proceeding and any defense or lack of in personam
jurisdiction with respect thereto.

 

    	 	10	 

    	 

    

 

Warrant
No. E-___

 

(b)
Restrictions. The Holder acknowledges that the Warrant Shares acquired upon the exercise of this Warrant, if not registered,
will have restrictions upon resale imposed by state and federal securities laws.

 

(c)
Nonwaiver and Attorneys’ Fees. No course of dealing or any delay or failure to exercise any right hereunder on the
part of Holder shall operate as a waiver of such right or otherwise prejudice Holder’s rights, powers or remedies, notwithstanding
the fact that all rights hereunder terminate on the Termination Date. If any action, suit, arbitration or other proceeding for
the enforcement of this Warrant is brought with respect to or because of an alleged dispute, breach, default or misrepresentation
in connection with any of the provisions hereof, the successful or prevailing party shall be entitled to recover reasonable attorneys’
fees and other costs incurred in that proceeding, in addition to any other relief to which it or he may be entitled.

 

(d)
Notices. All notices that are required or may be given pursuant to this Warrant must be in writing and delivered personally,
by a recognized courier service, by a recognized overnight delivery service, or by registered or certified mail, postage prepaid,
to the parties at the following addresses (or to the attention of such other Person or such other address as any party may provide
to the other parties by notice in accordance with this section):

 

	 	If
    to the Holder:	 
	 	 	 
	 	 	 
	 	 	 

 

	 	If
    to the Company:
	 	 
	 	3477
    Corporate Parkway Suite 100
	 	Central
    Valley, PA 18034 
	 	Attention:
    Dr. Lawrence Helson
	 	Telephone:
    (215) 538-9996 
	 	 
	 	With
    a copy to:
	 	 
	 	Davidoff
    Hutcher & Citron LLP
	 	605
    Third Avenue
	 	New
    York, NY 10158
	 	Attention:
    Elliot H. Lutzker, Esq.
	 	Telephone:
    (646) 428-3210

 

    	 	11	 

    	 

    

 

Warrant
No. E-___

 

Any
such notice or other communication will be deemed to have been given and received (whether actually received or not) on the day
it is personally delivered or delivered by courier or overnight delivery service or, if mailed, when actually received.

 

(e)
Remedies. Holder, in addition to being entitled to exercise all rights granted by law, including recovery of damages, will
be entitled to specific performance of its rights under this Warrant. The Company agrees that monetary damages would not be adequate
compensation for any loss incurred by reason of a breach by it of the provisions of this Warrant and hereby agrees to waive the
defense in any action for specific performance that a remedy at law would be adequate.

 

(f)
Successors and Assigns. Subject to applicable securities laws, this Warrant and the rights and obligations evidenced hereby
shall inure to the benefit of and be binding upon the successors of the Company and the successors and permitted assigns of Holder.
The provisions of this Warrant are intended to be for the benefit of all Holders from time to time of this Warrant and shall be
enforceable by any such Holder.

 

(g)
Amendment. This Warrant may be modified or amended only with the written consent of the Company and the Holder. Waiver
of any provision of this Warrant shall be in writing.

 

(h)
Severability. Wherever possible, each provision of this Warrant shall be interpreted in such manner as to be effective
and valid under applicable law, but if any provision of this Warrant shall be prohibited by or invalid under applicable law, such
provision shall be ineffective to the extent of such prohibition or invalidity, without invalidating the remainder of such provisions
or the remaining provisions of this Warrant.

 

(i)
Headings. The headings used in this Warrant are for the convenience of reference only and shall not, for any purpose, be
deemed a part of this Warrant.

 

********************

 

    	 	12	 

    	 

    

 

Warrant
No. E-___

 

IN
WITNESS WHEREOF, the Company has caused this Warrant to be executed by its officer thereunto duly authorized.

 

Dated:
_________ ___, 2016

 

	 	SIGNPATH
    PHARMA INC.
	 	 
	 	By:	 
	 	 	Lawrence
    Helson, M.D., 
	 	 	Chief
    Executive Officer and President

 

    	 	13	 

    	 

    

 

NOTICE
OF EXERCISE

 

To:
SignPath Pharma Inc.

 

(1)
The undersigned hereby elects to purchase ________ Warrant Shares of the Company pursuant to the terms of the attached Class E
Warrant (only if exercised in full), and tenders herewith payment of the exercise price in full, together with all applicable
transfer taxes, if any.

 

(2)
Payment shall take the form of lawful money of the United States.

 

(3)
Please issue a certificate or certificates representing said Warrant Shares in the name of the undersigned or in such other name
as is specified below:

 

 

 

The
undersigned, by marking the box following this sentence, indicates his or her intention to exercise this Warrant on a cashless
basis in accordance with the terms of this Warrant: [  ]

 

The
Warrant Shares shall be delivered to the following:

 

 

 

 

 

 

 

(4)
Accredited Investor. The undersigned is an “accredited investor” as defined in Regulation D under the Securities
Act of 1933, as amended.

 

	 	[PURCHASER]

 

	 	By:
    	 
	 	Name:	 
	 	Title:	 
	 	 	 
	 	Dated:	 

 

    	 

    	 

    

 

ASSIGNMENT
FORM

 

(To
assign the foregoing Class E Warrant, execute

this
form and supply required information.

Do
not use this form to exercise the warrant.)

 

FOR
VALUE RECEIVED, the foregoing Warrant and all rights evidenced thereby are hereby assigned to

 

	 	whose
    address is	 

 

		. 
	 	 
	 	 
	 	 

 

	 	Dated:	                                           	,	     

 

	 	Holder’s
    Signature:	 	 
	 	 	 	 
	 	Holder’s
    Address:	 	 
	 	 	 	 
	 	 	 	 

 

	Signature
    Guaranteed:	 	 

 

NOTE:
The signature to this Assignment Form must correspond with the name as it appears on the face of the Warrant, without alteration
or enlargement or any change whatsoever, and must be guaranteed by a bank or trust company. Officers of corporations and those
acting in a fiduciary or other representative capacity should file proper evidence of authority to assign the foregoing Warrant.REPRESENTATION
AGREEMENT

 

This
Representation Agreement (“Agreement”) is entered into as of December 1, 2011, by and between Rightscorp, Inc. d/b/a
DigitalRights, a Delaware corporation (“DigitalRights”) located at 3100 Donald Douglas Loop North, Santa Monica CA
90405 and BMG Rights Management (US) LLC, 6 East 32nd St, 11th Floor, New York, NY 10016.

 

Background
of Agreement

 

	A.	DigitalRights
    is in the business of identifying and monitoring illegal downloads of music, videos and other copyrighted content, forwards
    Digital Millennium Copyright Act (“DMCA”) notices, and provides a settlement collections model for copyright owners
    and administrators for online peer-to-peer (“P2P”) infringements of their content.
	 	 
	B.	You
    own or control various copyrights in and to musical compositions and desire to appoint DigitalRights as its non-exclusive
    representative and agent within the territory and during the term of this Agreement (defined herein) to monitor infringements
    resulting from unauthorized downloads and uploads by individual infringers (“Infringers”) on P2P networks (e.g.
    Limewire, BitTorrent, eDonkey) via the internet of its owned or administered copyrighted content, to collect data regarding
    such infringements, to offer settlements to Infringers on its behalf and to collect all monies paid in settlement thereof.
    Notwithstanding the foregoing, You won’t use another company for P2P settlement services as described herein with regards
    to the same Protected Copyrights as (defined herein).

 

Agreement

 

NOW,
THEREFORE, in consideration of the mutual covenants and agreements contained herein, and intending to be legally bound hereby,
the parties hereto agree as follows:

 

	1.	You hereby appoint and authorize DigitalRights to monitor the Internet for individual infringements by Infringers of copyrighted content by unauthorized downloading and uploading worldwide (“Territory”) based on title lists of musical compositions set forth in the attached Schedule A (“Protected Copyrights”) provided by You, which may be amended from time to time via an addendum to Schedule A, to be sent by You to DigitalRights, and to do the following:

 

	 	a.	Collect data as to the downloading, uploading or transmission of the Protected Copyrights on the Internet which infringe upon Your copyright interests (“Illegal Infringements”);

 

    	 	1	 

     

    

 

	 	b.	Send
    notices (including DMCA notice and takedown letters in form required by law, if appropriate) to the Internet Service Providers
    (“ISPs”) of infringements by the Infringers, and offer settlements on Your behalf to each Infringer for each identified
    Illegal Infringement of Your copyright interests as set forth on Schedule A;
	 	 	 
	 	c.	Collect
    all amounts paid in settlement of such Illegal Infringements; and
	 	 	 
	 	d.	Pay
    you fifty percent (50%); of the Net Revenues collected by DigitalRights, payable pursuant to Paragraph 6, below. “Net
    Revenues” shall mean the gross settlement DigitalRights actually receives (“Gross Collection Amount”) from
    Infringers, less fees actually paid to third parties for credit card processing, transaction fees and potential fees to ISPs,
    but in no event less than 88% of Gross Collection Amounts.
	 	 	 
	2.	This
    Agreement shall continue for a period of one (1) year and expire as of 30 November 2012. The parties agree and acknowledge
    that no representations, warranties, estimates, or predictions have been made by or on behalf of DigitalRights as to the success
    of the services provided herein or the extent that it will generate settlement amounts, if any.
	 	 
	3.	You
    represent that you legally own, control and/or administer the copyrights in the percentages reflected on the applicable attached
    Schedule A.
	 	 
	4.	You
    may add additional Protected Copyrights to Schedule A or delete Protected Copyrights from Schedule A in writing (via facsimile,
    mail or e-mail) requesting such action, and DigitalRights shall timely confirm each modification to the Protected Copyrights
    upon receipt of any such writing.
	 	 
	5.	During
    the Term, as such may be extended from time to time, DigitalRights shall have the exclusive right to collect settlements for
    online Illegal Infringements of the Protected Copyrights derived from its efforts hereunder. It is contemplated that DigitalRights
    shall collect settlements of $20.00 for each Illegal Infringement of Your copyrights as set forth on Schedule A, but DigitalRights
    may accept lower amounts in settlement if in the reasonable judgment of Digital Rights, accepting such lower amount is a prudent
    business decision. You acknowledge and agree that Digital Rights often offers incentives (in the form of reduced settlement
    amounts) to Infringers that are guilty of multiple Infringements.

 

    	 	2	 

     

    

 

	6.	DigitalRights
    shall provide You with quarterly reports setting forth the gross amount collected for each Protected Copyright set forth on
    the Schedule A and the net amount due You. Payments shall be made on a quarterly basis, with payment being made within 45
    days after the end of each quarterly period. DigitalRights shall keep complete, detailed, and accurate books and records of
    all revenue, costs, expenses, and advances during the Term, as well as any revenue received after the Term. During the Term
    and for twelve (12) months thereafter, with respect to any statement delivered to You by DigitalRights for a period of twelve
    (12) months from the delivery to You, DigitalRights shall provide You, upon reasonable advance written notice, with full and
    complete access during regular business hours at DigitalRights’ normal place of business to DigitalRights’ books
    and records, for the revenue and costs related to You only, and to inspect and copy, and to perform, at your expense, audits
    or reviews of such books and records.
	 	 
	7.	You
    recognize that DigitalRights is providing the service described herein to You on a non-exclusive basis, and accordingly, DigitalRights
    may perform for others services similar or identical to the service provided to You under this Agreement, and this Agreement
    does not prevent DigitalRights from providing such services or developing materials that are competitive with those developed
    or provided hereunder regardless of any similarity to the service provided herein.
	 	 
	8.	You
    hereby represent, warrant and covenant that, with respect to this Agreement: (i) the execution, delivery and performance by
    You of this Agreement has been or as of the date of execution will have been, duly authorized by all necessary corporate or
    other required action; (ii) the individual executing such documents on Your behalf was duly authorized to do so; (iii) the
    Agreement constitutes a legal, valid and binding agreement and is enforceable in accordance with its terms; and (iv) the materials
    provided by You hereunder nor any portion thereof violate, misappropriate or infringe upon the intellectual property or other
    rights of any third party.
	 	 
	9.	This
    Agreement shall be construed and enforced according to the laws of the State of California applicable to agreements made and
    to be performed wholly within the State. The parties to this Agreement hereby consent to the jurisdiction of any State or
    Federal court within the County of Los Angeles, State of California, and also consent to service of process by any means authorized
    by California law.
	 	 
	10.	This
    Agreement contains the entire understanding and agreement between the parties hereto with respect to the subject matter and
    supersedes any prior or contemporaneous written or oral agreements, representations, understandings or warranties between
    them. No change, modification, waiver, discharge, amendment or addition to this Agreement shall be binding unless it is in
    writing and signed by the parties hereto.

 

    	 	3	 

     

    

 

	11.	The
    invalidity or unenforceability of any particular provision of this Agreement shall not affect the other provisions of this
    Agreement, and this Agreement shall be construed in all respects as if such invalid or unenforceable provision were omitted.
	 	 
	12.	No
    delay, forbearance or neglect by either party in the enforcement of any of the conditions or rights of this Agreement shall
    constitute waiver.
	 	 
	13.	This
    Agreement may be executed in any number of counterparts each of which shall be enforceable against the parties executing such
    counterparts, and all of which together shall constitute a single document. Except as otherwise stated herein, in lieu of
    the original documents, a facsimile transmission, copy or scan of the original documents shall be as effective and enforceable
    as the original.
	 	 
	14.	Except
    as specifically provided herein, all notices, consents, requests and demands to or upon the respective parties hereto shall
    be in writing, and shall be deemed to have been given or made (i) if by hand delivery, upon receipt thereof; (ii) if mailed,
    three (3) days after deposit in the U.S. mails, postage prepaid, certified mail return receipt requested, (iii) if by next
    clay delivery service, upon such delivery, in each case addressed as set forth on the first page of this Agreement, or to
    such other address as either party may designate by notice to the other in accordance with the terms of this paragraph.
	 	 
	15.	DigitalRights
    and its personnel or agents, in performance of this Agreement, are acting as independent contractors and not as employees
    or agents of You. Under no circumstance will either party have the right or authority to enter into any contracts or assume
    any obligations for the other or to give any warranty to or make any representation on behalf of the other, except as expressly
    set forth herein.
	 	 
	16.	No
    terms and conditions of this agreement or information regarding the transactions contemplated herein will be released to the
    press, or otherwise disclosed to any third party without the prior written consent of the other party except as required by
    law or stock exchange rule. BMG shall have the right to approve any press release related to the agreement or the transactions
    contemplated herein.

 

    	 	4	 

     

    

 

IN
WITNESS WHEREOF, the parties have executed this Agreement in Los Angeles, California as of the date set forth above.

 

	BMG
    RIGHTS MANAGEMENT (US) LLC	 	RIGHTSCORP,
    INC.
	 	 	 
	/s/ Laurent
    Hubert	 	/s/
    Christopher Sabec
	Its:
    authorized agent 	 	 

 

    	 	5	 

     

    

 

Schedule
A

 

    	 	6

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