PALATIN TECHNOLOGIES INC
8-K, 1999-05-05
IN VITRO & IN VIVO DIAGNOSTIC SUBSTANCES
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                       SECURITIES AND EXCHANGE COMMISSION
                             WASHINGTON, D.C. 20549
                                 --------------


                                    FORM 8-K


                                 CURRENT REPORT
                     PURSUANT TO SECTION 13 OR 15(d) OF THE
                         SECURITIES EXCHANGE ACT OF 1934


           Date of Report (Date of earliest event reported):  April 30, 1999
                                                             ---------------


                           PALATIN TECHNOLOGIES, INC.
                     --------------------------------------
             (Exact name of registrant as specified in its charter)


    Delaware         0-22686   95-4078884
- -----------------    -----------          -------------------
(State or other      (Commission          (IRS Employer
  jurisdiction       File Number)         Identification No.)
of incorporation)



   214 Carnegie Center, Suite 100, Princeton, New Jersey       08540
  -------------------------------------------------------   ----------
        (Address of Principal Executive Offices)            (Zip Code)


       Registrant's telephone number, including area code (609) 520-1911

                                 Not Applicable
               ---------------------------------------------------
          (Former Name or Former Address, if Changed Since Last Report)

<PAGE>


ITEM 5.   OTHER EVENTS.

           At various times in March 1999, Palatin Technologies, Inc. sold in a
private placement an aggregate of 514,215 shares of common stock, $.01 par
value, and 565,629 warrants. Each warrant is exercisable for one share of common
stock at an exercise price equal to the per share common stock purchase price.
The common stock purchase price, which was based on the average closing bid
price for the five business days immediately prior to the respective closing
dates, ranged from $4.48 per share to $5.06 per share. The private placement,
which terminated on April 30, 1999, was made to accredited investors pursuant to
Rule 506 of Regulation D promulgated under the Securities Act of 1933, as
amended. We received net proceeds of approximately $2,044,000, which will be
used for working capital and research and development programs.

           In connection with the private placement, we paid compensation to
third parties consisting of an aggregate of $222,370 in cash and agreed to issue
five-year warrants to purchase an aggregate of 114,075 shares of common stock at
not less than the exercise prices of the warrants sold in the private placement.
A portion of such compensation was paid to Paramount Capital, Inc. Lindsay A.
Rosenwald, M.D., a beneficial owner of more than 10% of our common stock and
Series A convertible preferred stock, is the president of Paramount Capital,
Inc. Michael S. Weiss, who was a member of our board of directors until April
15, 1999, was the Senior Managing Director of Paramount Capital, Inc. until
April 15, 1999. The warrants were sold pursuant to the exemption from
registration provided by section 4(2) of the Securities Act of 1933, as amended.

           The securities sold in the private placement have not been registered
under the Securities Act of 1933, as amended, and may not be offered or sold in
the United States absent registration or an applicable exemption from
registration requirements. We have agreed to file, not later than May 29, 1999,
at our expense, a registration statement under the Securities Act of 1933, as
amended, registering for resale the common stock (including the common stock
underlying the warrants) sold in connection with the private placement.


ITEM 7.   FINANCIAL STATEMENTS, PRO FORMA FINANCIAL INFORMATION AND EXHIBITS.

          c)    Exhibits

                     10.43    Form of Warrant

                     10.44    Form of Registration Rights Agreement


SIGNATURES

         Pursuant to the requirements of the Securities Exchange Act of 1934,
the registrant has duly caused this report to be signed on its behalf by the
undersigned hereunto duly authorized.

                                        PALATIN TECHNOLOGIES, INC.

                                        By    /s/ Stephen T. Wills
                                           ---------------------------
                                           Name:  Stephen T. Wills
                                           Title: Vice President and
                                                  Chief Financial Officer
Date: May 5, 1999
                                                                      2

                                                          1

                           FORM OF WARRANT CERTIFICATE

THE SECURITIES REPRESENTED HEREBY HAVE NOT BEEN REGISTERED UNDER THE SECURITIES
ACT OF 1933, AS AMENDED (THE "ACT"), OR UNDER THE SECURITIES LAWS OF ANY STATE.
THESE SECURITIES ARE SUBJECT TO RESTRICTIONS ON TRANSFERABILITY AND RESALE AND
MAY NOT BE TRANSFERRED OR RESOLD EXCEPT AS PERMITTED UNDER THE ACT AND THE
APPLICABLE STATE SECURITIES LAWS, PURSUANT TO REGISTRATION OR EXEMPTION
THEREFROM. THE ISSUER OF THESE SECURITIES MAY REQUIRE AN OPINION OF COUNSEL IN
FORM AND SUBSTANCE SATISFACTORY TO THE ISSUER TO THE EFFECT THAT ANY PROPOSED
TRANSFER OR RESALE IS IN COMPLIANCE WITH THE ACT AND ANY APPLICABLE STATE
SECURITIES LAWS.


                                _________WARRANTS


                           PALATIN TECHNOLOGIES, INC.

                    COMMON STOCK PURCHASE WARRANT CERTIFICATE

                   THE WARRANTS EVIDENCED BY THIS CERTIFICATE
                      ARE NOT EXERCISABLE AFTER 5:00 P.M.,
                             NEW YORK CITY TIME, ON
                                ___________, 2004


THIS CERTIFIES THAT ________________________ or registered assigns is the
registered holder (the "Registered Holder") of the number of Warrants set forth
above, each of which represents the right to purchase one fully paid and
non-assessable share of Common Stock, par value $0.01 per share (the "Common
Stock"), of Palatin Technologies, Inc., a Delaware corporation (the "Company"),
at the initial exercise price of $_.___ per Warrant (the "Exercise Price") at
any time after the date on which the shares of Common Stock issuable upon
exercise of the Warrants evidenced hereby have been registered under the
Securities Act of 1933, as amended, or such other action as may be required by
federal or state law relating to the issuance or distribution of securities
shall have been taken, and prior to the Expiration Date (as hereinafter
defined), by surrendering this Warrant Certificate, with the Form of Election to
Purchase duly executed at the principal office of the Company and by paying in
full the Exercise Price, plus transfer taxes, if any. Payment of the Exercise
Price shall be made in United States currency, by certified check or money order
payable to the order of the Company. Unless otherwise defined herein, the
capitalized terms used herein shall have the meaning assigned to such terms in
the Purchase Agreement.

The Warrants have been issued pursuant to a private placement of Common Stock
and Warrants.

This Warrant Certificate is issued under and in accordance with the Purchase
Agreement dated as of _______________, 1999, between the Company and the
Registered Holder, as amended and is subject to the terms and provisions
contained in said Purchase Agreement. The Registration Rights Agreement between
the Company and the Registered Holder governs the registration rights of the
shares of Common Stock underlying the Warrants.


                              EXERCISE OF WARRANTS

           Issuance of Common Stock. As soon as practicable after the date of
exercise of any Warrants, the Company shall issue, or cause the transfer agent
for the Common Stock, if any, to issue a certificate or certificates for the
number of full shares of Common Stock to which such Registered Holder is
entitled, registered in accordance with the instructions set forth in the Form
of Election to Purchase. All shares of Common Stock issued upon the exercise of
any Warrants shall be validly authorized and issued, fully paid and
non-assessable, and free from all taxes, liens and charges created by the
Company in respect of the issue thereof. Each person in whose name any such
certificate for shares of Common Stock is issued shall for all purposes be
deemed to have become the holder of record of the Common Stock represented
thereby on the date of exercise of the Warrants resulting in the issuance of
such shares, irrespective of the date of issuance or delivery of such
certificate for shares of Common Stock.

           Certificates for Unexercised Warrants. In the event that less than
all of the Warrants represented by a Warrant Certificate are exercised, the
Company shall execute and mail, by first-class mail, within 30 days of the date
of exercise, to the Registered Holder of such Warrant Certificate, or such other
person as shall be designated in the Form of Election to Purchase, a new Warrant
Certificate representing the number of full Warrants not exercised. In no event
shall a fraction of a Warrant be exercised, and the Company shall distribute no
Warrant Certificates representing fractions of Warrants. Final fractions of
shares shall be treated as provided for herein.

           Reservation of Shares. The Company shall at all times reserve and
keep available for issuance upon the exercise of Warrants a number of its
authorized but unissued shares of Common Stock that will be sufficient to permit
the exercise in full of all outstanding Warrants.


                        ADJUSTMENTS AND NOTICE PROVISIONS

           Adjustment of Exercise Price. Subject to the provisions hereof, the
Exercise Price in effect from time to time shall be subject to adjustment, as
follows:



<PAGE>


           (a) In case the Company shall at any time after the date hereof (i)
declare a dividend on the outstanding Common Stock payable in shares of its
capital stock, (ii) subdivide the outstanding Common Stock, (iii) combine the
outstanding Common Stock into a smaller number of shares, or (iv) issue any
shares of its capital stock by reclassification of the Common Stock (including
any such reclassification in connection with a consolidation or merger in which
the Company is the continuing corporation), then, in each case, the Exercise
Price, and the number of shares of Common Stock issuable upon exercise of the
Warrants in effect at the time of the record date for such dividend or of the
effective date of such subdivision, combination, or reclassification, shall be
proportionately adjusted so that the Holders of the Warrants after such time
shall be entitled to receive the aggregate number and kind of shares which, if
such Warrants had been exercised immediately prior to such time, such Registered
Holders would have owned upon such exercise and been entitled to receive by
virtue of such dividend, subdivision, combination or reclassification. Such
adjustment shall be made successively whenever any event listed above shall
occur.



<PAGE>


           (b) In case the Company shall issue or fix a record date for the
issuance to all holders of Common Stock of rights, options, or warrants to
subscribe for or purchase Common Stock (or securities convertible into or
exchangeable for Common Stock) at a price per share (or having a conversion or
exchange price per share, if a security convertible into or exchangeable for
Common Stock) less than the Current Market Price per share of Common Stock (as
determined below) on such record date, then, in each case, the Exercise Price
shall be adjusted by multiplying the Exercise Price in effect immediately prior
to such record date by a fraction, the numerator of which shall be the number of
shares of Common Stock outstanding on such record date plus the number of shares
of Common Stock which the aggregate offering price of the total number of shares
of Common Stock so to be offered (or the aggregate initial conversion or
exchange price of the convertible or exchangeable securities so to be offered)
would purchase at such Current Market Price and the denominator of which shall
be the number of shares of Common Stock outstanding on such record date plus the
number of additional shares of Common Stock to be offered for subscription or
purchase (or into which the convertible or exchangeable securities so to be
offered are initially convertible or exchangeable). Such adjustment shall become
effective at the close of business on such record date; provided, however, that,
to the extent the shares of Common Stock (or securities convertible into or
exchangeable for shares of Common Stock) are not delivered, the Exercise Price
shall be readjusted after the expiration of such rights, options, or warrants
(but only with respect to Warrants exercised after such expiration), to the
Exercise Price which would then be in effect had the adjustments made upon the
issuance of such rights, options, or warrants been made upon the basis of
delivery of only the number of shares of Common Stock (or securities convertible
into or exchangeable for shares of Common Stock) actually issued.
Notwithstanding anything to the contrary contained herein, no adjustment shall
be made to the Exercise Price until any condition to the vesting of such rights,
options or warrants shall be fulfilled or satisfied (and then only with respect
to the portion thereof which shall have vested). In case any subscription price
may be paid in a consideration part or all of which shall be in a form other
than cash, the value of such consideration shall be as determined in good faith
by the board of directors of the Company, whose determination shall be
conclusive absent manifest error. Shares of Common Stock owned by or held for
the account of the Company or any majority-owned subsidiary shall not be deemed
outstanding for the purpose of any such computation.

           (c) In case the Company shall distribute to all holders of Common
Stock (including any such distribution made to the stockholders of the Company
in connection with a consolidation or merger in which the Company is the
continuing corporation) evidences of its indebtedness, cash (other than any cash
dividend which, together with any cash dividends paid within the twelve (12)
months prior to the record date for such distribution, does not exceed 5% of the
Current Market Price at the record date for such distribution) or assets (other
than distributions and dividends payable in shares of Common Stock), or rights,
options, or warrants to subscribe for or purchase Common Stock, or securities
convertible into or exchangeable for shares of Common Stock (excluding those
with respect to the issuance of which an adjustment of the Exercise Price is
provided pursuant to the foregoing paragraph), then, in each case, the Exercise
Price shall be adjusted by multiplying the Exercise Price in effect immediately
prior to the record date for the determination of stockholders entitled to
receive such distribution by a fraction, the numerator of which shall be the
Current Market Price per share of Common Stock on such record date, less the
fair market value (as determined in good faith by the board of directors of the
Company, whose determination shall be conclusive absent manifest error) of the
portion of the evidences of indebtedness or assets so to be distributed, or of
such rights, options, or warrants or convertible or exchangeable securities, or
the amount of such cash, applicable to one share, and the denominator of which
shall be such Current Market Price per share of Common Stock.
Such adjustment shall become effective at the close of business on such record
date.



<PAGE>


           Current Market Price. For the purpose of any computation under this
Warrant, the Current Market Price per share of Common Stock on any date shall be
deemed to be the average of the daily closing prices for the fifteen (15)
consecutive trading days immediately preceding the date in question. The closing
price for each day shall be (a) the last reported sales price regular way or, in
case no such reported sale takes place on such day, the closing bid price
regular way, in either case on the principal national securities exchange or
market system (including, for purposes hereof, the NASDAQ National Market System
or the NASDAQ SmallCap) on which the Common Stock, is listed or admitted to
trading, (b) if the Common Stock, is not listed or admitted to trading on any
national securities exchange or market system, the highest reported bid price
for the Common Stock, as furnished by the National Association of Securities
Dealers, Inc. through NASDAQ or a similar organization if NASDAQ is no longer
reporting such information, or (c) if on any such date the Common Stock is not
listed or admitted to trading on any national securities exchange and is not
quoted by NASDAQ National Market System or NASDAQ SmallCap System or any similar
organization, as determined by reference to the "pink sheets" published by the
National Quotation Bureau or, if not so published, by such other method of
determining the market value of a share of Common Stock, as the board of
directors of the Company shall in good faith from time to time deem to be fair,
whose determination shall be conclusive absent manifest error.

           No Adjustments to Exercise Price. No adjustment in the Exercise Price
shall be required if such adjustment is less than $.05; provided, however, that
any adjustments which by reason of this Warrant are not required to be made
shall be carried forward and taken into account in any subsequent adjustment.
All calculations under this Warrant shall be made to the nearest cent or to the
nearest one thousandth of a share, as the case may be.

           Deferral of Adjustments to Exercise Price. In any case in which this
Warrant shall require that an adjustment in the Exercise Price be made effective
as of a record date for a specified event, the Company may elect to defer, until
the occurrence of such event, issuing to the Registered Holders of the Warrants,
if any Registered Holder has exercised a Warrant after such record date, the
shares of Common Stock, if any, issuable upon such exercise over and above the
shares of Common Stock, if any, issuable upon such exercise on the basis of the
Exercise Price in effect prior to such adjustment; provided, however, that the
Company shall deliver to such exercising Registered Holder a due bill or other
appropriate instrument evidencing such Registered Holder's right to receive such
additional shares upon the occurrence of the event requiring such adjustment.

           Adjustment to Number of Shares. Upon each adjustment of the Exercise
Price as a result of the calculations made above the Warrants shall thereafter
evidence the right to purchase, at the adjusted Exercise Price, that number of
shares (calculated to the nearest thousandth) obtained by dividing (A) the
product obtained by multiplying the number of shares purchasable upon exercise
of the Warrants prior to adjustment of the number of shares by the Exercise
Price in effect prior to adjustment of the Exercise Price by (B) the Exercise
Price in effect after such adjustment of the Exercise Price.



<PAGE>


           Reorganization. In case of any capital reorganization, other than in
the cases referred to above, or the consolidation or merger of the Company with
or into another corporation (other than a merger or consolidation in which the
Company is the continuing corporation and which does not result in any
reclassification of the outstanding shares of Common Stock or the conversion of
such outstanding shares of Common Stock into shares of other stock or other
securities or property), or the sale of the property of the Company as an
entirety or substantially as an entirety (collectively such actions being
hereinafter referred to as "Reorganizations"), there shall thereafter be
deliverable upon exercise of any Warrant (in lieu of the number of shares of
Common Stock theretofore deliverable) the number of shares of stock or other
securities or property to which a Registered Holder of the number of shares of
Common Stock which would otherwise have been deliverable upon the exercise of
such Warrant would have been entitled upon such Reorganization if such Warrant
had been exercised in full immediately prior to such Reorganization. In case of
any Reorganization, appropriate adjustment, as determined in good faith by the
Board of Directors of the Company, shall be made in the application of the
provisions herein set forth with respect to the rights and interests of
Registered Holders so that the provisions set forth herein shall thereafter be
applicable, as nearly as practicable, in relation to any shares or other
property thereafter deliverable upon exercise of Warrants. The Company shall not
effect any such Reorganization, unless upon or prior to the consummation thereof
the successor corporation, or if the Company shall be the surviving corporation
in any such Reorganization and is not the issuer of the shares of stock or other
securities or property to be delivered to holders of shares of the Common Stock
outstanding at the effective time thereof, then such issuer, shall assume by
written instrument the obligation to deliver to the Registered Holder of any
Warrant Certificate such shares of stock, securities, cash or other property as
such holder shall be entitled to purchase in accordance with the foregoing
provisions. Notwithstanding anything to the contrary contained herein, in the
event of sale or conveyance or other transfer of all or substantially all of the
assets of the Company as a part of a plan for liquidation of the Company, all
rights to exercise any Warrant shall terminate thirty (30) days after the
Company gives written notice to each Registered Holder of a Warrant Certificate
that such sale or conveyance of other transfer has been consummated.

           Reclassifications. (a) In case of any reclassification or change of
the shares of Common Stock issuable upon exercise of the Warrants (other than a
change in par value or from no par value to a specified par value, or as a
result of a subdivision or combination, but including any change in the shares
into two or more classes or series of shares), the Registered Holders of the
Warrants shall have the right thereafter to receive upon exercise of the
Warrants solely the kind and amount of shares of stock and other securities,
property, cash, or any combination thereof receivable upon such reclassification
or change by a Registered Holder of the number of shares of Common Stock for
which the Warrants might have been exercised immediately prior to such
reclassification or change. Thereafter, appropriate provision shall be as nearly
equivalent as practicable to the adjustments in this Warrant. The above
provisions of this paragraph shall similarly apply to successive
reclassifications and changes of shares of Common Stock.



<PAGE>


           (b) Notwithstanding anything to the contrary herein contained, in the
event of a transaction contemplated by the prior paragraph in which the
surviving, continuing, successor, or purchasing corporation demands that all
outstanding Warrants be extinguished prior to the closing date of the
contemplated transaction, the Company shall give prior notice (the "Merger
Notice") thereof to the Registered Holders advising them of such transaction.
The Registered Holders shall have ten (10) days after the date of the Merger
Notice to elect to (i) exercise the Warrants in the manner provided herein or
(ii) receive from the surviving, continuing, successor, or purchasing
corporation, with respect to outstanding Warrants, the same consideration
receivable by a Registered Holder of the number of shares of Common Stock for
which the Warrants might have been exercised immediately prior to such
consolidation, merger, sale, or purchase reduced by such amount of the
consideration as has a market value equal to the exercise price of the Warrants,
as determined by the Board of Directors of the Company, whose determination
shall be conclusive absent manifest error. If any Registered Holder fails to
timely notify the Company of its election, the Holder shall be deemed for all
purposes to have elected the option set forth in (ii) above. Any amounts
receivable by a Holder who has elected the option set forth in (ii) above shall
be payable at the same time as amounts payable to stockholders in connection
with any such transaction.

           Verification of Computations. Whenever the Exercise Price is adjusted
as provided in this Warrant, the Company will promptly obtain a certificate of
the chief financial officer of the Company setting forth the Exercise Price as
so adjusted and a brief statement of the facts accounting for such adjustment,
and will make available a brief summary thereof to the Registered Holders of the
Warrant Certificates, at their addresses listed on the register maintained for
the purpose by the Company.

           Exercise Price Not Less Than Par Value. In no event shall the
Exercise Price be adjusted below the par value per share of the Common Stock.

           Notice of Certain Actions.  In case at any time the Company shall
           propose:

                     (a) to pay any dividend or make any distribution on shares
           of Common Stock in shares of Common Stock or make any other
           distribution (other than regularly scheduled cash dividends which are
           not in a greater amount per share than the most recent such cash
           dividend) to all holders of Common Stock; or

                     (b) to issue any rights, warrants, or other securities to
           all holders of Common Stock entitling them to purchase any additional
           shares of Common Stock or any other rights, warrants, or other
           securities; or

                     (c) to effect any reclassification or change of outstanding
           shares of Common Stock, or any consolidation, merger, sale, lease, or
           conveyance of property, described above; or

                     (d) to effect any liquidation, dissolution, or winding-up
           of the Company;

then, in each such case, the Company shall cause notice of such proposed action
to be mailed to each Registered Holder of a Warrant Certificate. Such notice
shall be mailed, at least ten (10) days prior to the record date for determining
holders of the Common Stock for purposes of receiving such payment or offer or
at least ten (10) days prior to the earlier of the date upon which such action
is to take place or any record date to determine holders of Common Stock
entitled to receive such securities or other property, as the case may be.



<PAGE>


           Notice of Adjustments. Whenever any adjustment is made pursuant to
this Warrant, the Company shall cause notice of such adjustment to be mailed to
each Registered Holder of a Warrant Certificate within fifteen (15) days
thereafter, such notice to include in reasonable detail (i) the events
precipitating the adjustment, (ii) the computation of any adjustments, and (iii)
the Exercise Price, the number of shares or the securities or other property
purchasable upon exercise of each Warrant after giving effect to such
adjustment.

           Warrant Certificate Amendments. Irrespective of any adjustments
pursuant to this Warrant, Warrant Certificates theretofore or thereafter issued
need not be amended or replaced, but certificates thereafter issued shall bear
an appropriate legend or other notice of any adjustments.

           Fractional Shares. The Company shall not be required upon the
exercise of any Warrant to issue fractional shares of Common Stock which may
result from adjustments in accordance with this Warrant to the Exercise Price or
number of shares of Common Stock purchasable under each Warrant. If more than
one Warrant is exercised at one time by the same Registered Holder, the number
of full shares of Common Stock which shall be deliverable shall be computed
based on the number of shares deliverable in exchange for the aggregate number
of Warrants exercised. With respect to any final fraction of a share called for
upon the exercise of any Warrant or Warrants, the Company shall pay a cash
adjustment in respect of such final fraction in an amount equal to the same
fraction of the Current Market Price of a share of Common Stock calculated in
accordance with this Warrant.

           Adjustments Not Provided For. If any change to the capitalization of
the Company should occur with respect to which a favorable adjustment to the
rights and interests of the Registered Holders of the Warrants should be made,
and such adjustment is not otherwise provided for in this Warrant, such
appropriate adjustment should be made as determined in good faith by the Board
of Directors of the Company.

           No Warrant may be exercised after 5:00 P.M., New York City time, on
the expiration date (the "Expiration Date") which will be __________, 2004. All
Warrants evidenced hereby shall thereafter become void.


                          OTHER PROVISIONS RELATING TO
                          RIGHTS OF REGISTERED HOLDERS
                             OF WARRANT CERTIFICATES

           Rights of Warrant Holders. No Warrant Certificate shall entitle the
registered holder thereof to any of the rights of a stockholder of the Company,
including, without limitation, the right to vote, to receive dividends and other
distributions, to receive any notice of, or to attend, meetings of stockholders
or any other proceedings of the Company.



<PAGE>


           Lost, Stolen, Mutilated or Destroyed Warrant Certificates. If any
Warrant Certificate shall be mutilated, lost, stolen or destroyed, the Company
in its discretion may execute and deliver, in exchange and substitution for and
upon cancellation of a mutilated Warrant Certificate, or in lieu of or in
substitution for a lost, stolen or destroyed Warrant Certificate, a new Warrant
Certificate for the number of Warrants represented by the Warrant Certificate so
mutilated, lost, stolen or destroyed but only upon receipt of evidence of such
loss, theft or destruction of such Warrant Certificate, and of the ownership
thereof, and indemnity, if requested, all satisfactory to the Company.
Applicants for such substitute Warrant Certificates shall also comply with such
other reasonable regulations and pay such other reasonable charges incidental
thereto as the Company may prescribe. Any such new Warrant Certificate shall
constitute an original contractual obligation of the Company, whether or not the
allegedly lost, stolen, mutilated or destroyed Warrant Certificate shall be at
any time enforceable by anyone.


                   SPLIT UP, COMBINATION, EXCHANGE, TRANSFER,
                    AND CANCELLATION OF WARRANT CERTIFICATES

           Split Up, Combination, Exchange and Transfer of Warrant Certificates.
Prior to the latest time at which the Warrants may be exercised, subject to any
applicable laws, rules or regulations restricting transferability, Warrant
Certificates, subject to the provisions hereof, may be split up, combined or
exchanged for other Warrant Certificates representing a like aggregate number of
Warrants or may be transferred in whole or in part. Any holder desiring to split
up, combine or exchange a Warrant Certificate or Warrant Certificates shall make
such request in writing delivered to the Company at its principal office and
shall surrender the Warrant Certificate or Warrant Certificates so to be split
up, combined or exchanged at said office with the Form of Assignment. Upon any
such surrender for split up, combination, exchange or transfer, the Company
shall execute and deliver to the person entitled thereto a Warrant Certificate
or Warrant Certificates, as the case may be, as so requested in the Form of
Assignment. The Company may require the holder to pay a sum sufficient to cover
any tax or governmental charge that may be imposed in connection with any split
up, combination, exchange or transfer of Warrant Certificates prior to the
issuance of any new Warrant Certificate.

           Cancellation of Warrant Certificates. Any Warrant Certificate
surrendered upon the exercise of Warrants or for split up, combination, exchange
or transfer, or purchased or otherwise acquired by the Company, shall be
canceled and shall not be reissued by the Company; and, except as otherwise
provided herein in case of the exercise of less than all of the Warrants
evidenced by a Warrant Certificate or in case of a split up, combination,
exchange or transfer, no Warrant Certificate shall be issued hereunder in lieu
of such canceled Warrant Certificate. Any Warrant Certificate so canceled shall
be destroyed by the Company.

           Agreement of Warrant Certificate Holders. Every holder of a Warrant
Certificate by accepting the same consents and agrees with the Company and with
every other holder of a Warrant Certificate that:



<PAGE>


                     (a) transfer of the Warrant Certificates shall be
           registered on the books of the Company only if surrendered at the
           principal office of the Company, duly endorsed or accompanied by a
           proper instrument of transfer; and

                     (b) prior to due presentment for registration of transfer,
           the Company may deem and treat the person in whose name the Warrant
           Certificate is registered as the absolute owner thereof and of the
           Warrants evidenced thereby (notwithstanding any notations of
           ownership or writing on the Warrant Certificates made by anyone other
           than the Company) for all purposes whatsoever, and the Company shall
           not be affected by any notice to the contrary.


                                  OTHER MATTERS

           Governing Law.  The laws of the State of New York shall govern this
 Warrant Certificate.


           IN WITNESS WHEREOF, the Company has caused this Warrant Certificate
to be duly executed.

                                          PALATIN TECHNOLOGIES, INC.


                                       By:
                                          -------------------------
                                          Stephen T. Wills, Vice President and
                                          Chief Financial Officer




<PAGE>


                                     FORM OF
                              ELECTION TO PURCHASE

     The undersigned hereby irrevocably elects to exercise of the Warrants
represented by this Warrant Certificate and to purchase the shares of Common
Stock issuable upon the exercise of said Warrants, and requests that
certificates for such shares be issued and delivered as follows:

ISSUE
TO:

                                     (NAME)


                          (ADDRESS, INCLUDING ZIP CODE)



                (SOCIAL SECURITY OR OTHER TAX IDENTIFYING NUMBER)


DELIVER
TO:

                                     (NAME)

at

                          (ADDRESS, INCLUDING ZIP CODE)

     If the number of Warrants hereby exercised is less than all the Warrants
represented by this Warrant Certificate, the undersigned requests that a new
Warrant Certificate representing the number of full Warrants not exercised be
issued and delivered as set forth below.



     In full payment of the purchase price with respect to the Warrants
exercised and transfer taxes, if any, the undersigned hereby tenders payment of
$ by certified check or money order payable in United States currency to the
order of the Company.


<PAGE>



Dated:






(Insert Social Security or                          (Signature of registered
other identifying number                            holder)
of holder)


                                                       (Signature of registered
                                                        holder, if co-owned)


NOTE:  Signature  must conform in all respects to name of holder as specified on
the face of the Warrant Certificate.


<PAGE>


                                     FORM OF
                                   ASSIGNMENT

FOR VALUE RECEIVED, the undersigned hereby sells, assigns and transfers unto the
Assignee named below all of the rights of the undersigned represented by the
within Warrant Certificate, with respect to the number of Warrants set forth
below:

Name of Assignee                          Address             No. of Warrants






and does  hereby  irrevocably  constitute  and  appoint  Attorney  to make  such
transfer on the books of Palatin Technologies, Inc. maintained for that purpose,
with full power of substitution in the premises.

Dated:                    , 19     .



(Insert Social Security or                          Signature
 other identifying number
 of holder)

(Signature must conform in all respects to name of holder as specified on the
face of the Warrant Certificate.)








                         REGISTRATION RIGHTS AGREEMENT

           This Registration Rights Agreement (this "Agreement") is made this
___ day of _________, 1999, by PALATIN TECHNOLOGIES, INC., a Delaware
corporation (the "Company"), for the benefit of each Purchaser (individually a
"Purchaser" and collectively the "Purchasers") entering into that certain
Purchase Agreement (the "Purchase Agreement") with the Company.

BACKGROUND

           Pursuant to the Purchase Agreement, the Company has offered (the
"Offering") for sale up to a maximum of $4,000,000 of (a) shares (the "Shares")
of the Company's Common Stock, $.01 par value per share (the "Common Stock") and
(b) warrants (the "Warrants"), with each Share including a Warrant to purchase
one and one-tenth shares of Common Stock of the Company. The Shares and Warrants
are sometimes collectively called the "Securities." In order to induce the
Purchasers to purchase the Securities, the Company has agreed to provide the
registration rights set forth in this Agreement.

1.         Securities Laws Representations and Covenants of Purchaser.

           This Agreement is made for the benefit of the Purchasers in reliance
upon each Purchaser's representations to the Company, as the same are set forth
in Section 4 of the Purchase Agreement.

2.         Registration Rights.

           2.1       Certain Definitions. As used in this Agreement, the
                     following  terms  shall  have the  following  respective
                     meanings:

                     (a)       "Commission" shall mean the Securities and
                               Exchange Commission or any other federal agency
                               at the time administering the Securities Act.

                     (b)       "Form S-1, Form SB-1, Form S-2, Form SB-2 and
                               Form S-3" shall mean Form S-1, Form SB-1, Form
                               S-2, Form SB-2 or Form S-3, respectively,
                               promulgated by the Commission or any
                               substantially similar form then in effect.

                     (c)       "Purchasers" shall mean, collectively, the
                               Purchasers, their permitted assignees and
                               transferees and, individually, a Purchaser and
                               any permitted assignee or transferee of such
                               Purchaser.

                     (d)       The terms "Register", "Registered" and
                               "Registration" refer to a registration effected
                               by preparing and filing a Registration Statement
                               or Statements or similar documents in compliance
                               with the Securities Act, and the declaration or
                               ordering by the Commission of the effectiveness
                               of such Registration Statement.

                     (e)       "Registrable Securities" shall mean the Shares
                               and Warrant Shares so long as such shares are
                               ineligible for sale under subparagraph (k) of
                               Rule 144.

                     (f)       "Registration Expenses" shall mean all expenses
                               incurred by the Company in complying with Section
                               2, including, without limitation, all federal and
                               state registration, qualification and filing
                               fees, printing expenses, fees and disbursements
                               of counsel for the Company, accountant fees, blue
                               sky fees and expenses and, the expense of any
                               special audits incident to or required by any
                               such Registration.

                     (g)       "Registration Statement" shall mean Form S-1,
                               Form SB-1, Form S-2, Form SB-2 or Form S-3,
                               whichever is applicable, unless otherwise
                               specified herein.

                     (h)       "Rule 144" shall  mean Rule 144  promulgated  by
                               the Commission pursuant to the Securities Act.

                     (i)       "Securities Act" shall mean the Securities Act of
                               1933, as amended.

                     (j)       "Selling Expenses" shall mean all underwriting
                               discounts and selling commissions applicable to
                               the sale of Registrable Securities pursuant to
                               this Agreement.

                     (k)       "Selling Stockholder" shall mean a holder of
                               Registrable Securities who requests Registration
                               under Section 2.3 hereof or whose shares of
                               Common Stock become Registered pursuant to
                               Section 2.2 hereof.

                     (l)       "Warrant   Shares"  shall  mean  the  shares  of
                               capital stock of the Company underlying the
                               Warrants.

Capitalized terms used but not defined herein shall have the meanings ascribed
to such terms in the Purchase Agreement.

           2.2       Required Registration

                     (a)       Within 30 days following the Final Closing Date
                               of the Offering, the Company shall file with the
                               Commission a Registration Statement for the
                               purpose of Registering, upon the effectiveness of
                               such Registration Statement, the Shares and the
                               Warrant Shares.

                     (b)       The Company shall use its best efforts to
                               maintain with the Commission a Registration
                               Statement that is effective and causes the Shares
                               and the Warrant Shares to be Registered under the
                               Securities Act until the date on which the Shares
                               and the Warrant Shares are eligible for resale or
                               other disposition under Rule 144 without regard
                               to the volume limitations thereof.

           2.3       Piggyback Registration

                     (a)       Until the time set forth in Section 2.3(g)
                               hereof, each time that the Company proposes to
                               Register a public offering of its Common Stock,
                               other than (i) pursuant to a Registration
                               Statement on Form S-4 or Form S-8 or similar or
                               successor forms or (ii) on a Registration
                               Statement filed in connection with an exchange
                               offer or other offer of Common Stock solely to
                               the then-existing stockholders of the Company,
                               the Company shall promptly give written notice of
                               such proposed Registration to all holders of
                               Shares and Warrant Shares, which shall offer such
                               holders the right to request inclusion of any
                               Registrable Securities in the proposed
                               Registration.

                     (b)       Each holder of Shares or Warrant Shares shall
                               have ten (10) days or such longer period as shall
                               be set forth in the notice from the receipt of
                               such notice to deliver to the Company a written
                               request specifying the number of shares of
                               Registrable Securities such holder intends to
                               sell and the holder's intended plan of
                               disposition.

                     (c)       The Company shall have the exclusive right to
                               select all underwriters for any underwritten
                               public offering of securities of the Company,
                               including all Shares and Warrant Shares. In the
                               event that the proposed Registration by the
                               Company is, in whole or in part, an underwritten
                               public offering of securities of the Company, any
                               request under Section 2.3(b) shall contain the
                               holder's agreement that the Registrable
                               Securities will be included in the underwriting
                               on the same terms and conditions as the shares of
                               Common Stock, if any, otherwise being sold
                               through underwriters under such Registration.



<PAGE>


                     (d)       Upon receipt of a written request pursuant to
                               Section 2.3(b), the Company shall promptly use
                               its best efforts to cause all such Registrable
                               Securities to be Registered, to the extent
                               required to permit sale or disposition as set
                               forth in the written request.

                     (e)        Notwithstanding the foregoing, if the managing
                                underwriter of an underwritten public offering
                                determines and advises in writing that the
                                inclusion of all Registrable Securities proposed
                                to be included in the underwritten public
                                offering, together with any shares proposed to
                                be sold by the Company for its own account and
                                any other issued and outstanding shares of
                                Common Stock proposed to be included therein by
                                holders other than the holders of Registrable
                                Securities (such other holders' shares
                                hereinafter collectively referred to as the
                                "Other Shares"), would interfere with the
                                successful marketing of the securities proposed
                                to be included in the underwritten public
                                offering, including the price at which such
                                securities can be sold, then the number of such
                                shares of persons other than the Company that
                                otherwise would be included in such underwritten
                                public offering shall be excluded from such
                                underwritten public offering in a number deemed
                                necessary by such managing underwriter, first by
                                excluding, to the extent necessary, other shares
                                held by persons who have not exercised
                                contractual rights to include such Shares in the
                                offering pursuant to the Prior Registration
                                Rights Agreements (as hereinafter defined), and
                                then, to the extent necessary, by excluding
                                Registrable Securities participating in such
                                underwritten public offering, pro rata, based on
                                the number of shares of Registrable Securities
                                each holder proposes to include; and, then,
                                excluding to the extent necessary, other Shares
                                proposed to be included by the holders of other
                                Shares who have exercised registration rights
                                granted to them under registration rights
                                agreements of the Company in effect on the date
                                hereof or any other registration rights in
                                effect on the date hereof (collectively, the
                                "Prior Registration Rights Agreements").

                     (f)       All Shares and Warrant Shares that are not
                               included in an underwritten public offering
                               pursuant to Section 2.3 shall be withheld from
                               the market by the holders thereof for a period,
                               not to exceed 12 months following a public
                               offering, that the managing underwriter
                               reasonably determines is necessary in order to
                               effect the underwritten public offering. The
                               holders of such Shares and the Warrant Shares
                               shall execute such documentation as the managing
                               underwriter reasonably requests to evidence this
                               lock-up.



<PAGE>


                     (g)       The registration rights provided by this
                               Agreement shall expire with respect to any
                               Registrable Security upon the earliest to occur
                               of (i) the effectiveness of a Registration
                               Statement that includes in the Registration
                               effected thereby, at the request of a Selling
                               Stockholder, such Registrable Security; (ii) the
                               date on which such Registrable Security is
                               eligible for resale under Rule 144 without regard
                               to the volume limitations thereof; and (iii) five
                               years from the date hereof.

           2.4       Preparation and Filing. If and whenever the Company is
                     under an obligation pursuant to the provisions of this
                     Section 2 to use its best efforts to effect the
                     Registration of any Registrable Securities, the Company
                     shall, as expeditiously as practicable:

                     (a)       prepare and file with the Commission a
                               Registration Statement with respect to such
                               Registrable Securities, using such form of
                               available Registration Statement as is reasonably
                               selected by the Company (unless otherwise
                               specified herein), and use its best efforts to
                               cause such Registration Statement to become and
                               remain effective, keeping each Selling
                               Stockholder advised as to the initiation,
                               progress and completion of the Registration;

                     (b)       prepare and file with the Commission such
                               amendments and supplements to such Registration
                               Statements and the prospectus used in connection
                               therewith as may be necessary to keep such
                               Registration Statement effective for, in the case
                               of a Required Registration under Section 2.2, the
                               period set forth in Section 2.2(b) and, in the
                               case of a Piggyback Registration under Section
                               2.3, six months, and to comply with the
                               provisions of the Securities Act with respect to
                               the sale or other disposition of all Registrable
                               Securities covered by such Registration
                               Statement;

                     (c)        furnish to each Selling Stockholder such number
                                of copies of any summary prospectus or other
                                prospectus, including a preliminary prospectus
                                and all amendments and supplements thereto, in
                                conformity with the requirements of the
                                Securities Act, and such other documents as such
                                Selling Stockholder may reasonably request in
                                order to facilitate the public sale or other
                                disposition of such Registrable Securities;
                                provided, however, that no such prospectus need
                                be furnished more than, in the case of a
                                Required Registration under Section 2.2, six
                                months after the conclusion of the period set
                                forth in Section 2.2(b) and, in the case of a
                                Piggyback Registration under Section 2.3, six
                                months after the effective date of the
                                Registration Statement related thereto;



<PAGE>


                        (d)     use its best  efforts to register or qualify the
                                Registrable    Securities    covered   by   such
                                Registration  Statement  under the securities or
                                blue  sky  laws  of such  jurisdictions  as each
                                Selling Stockholder shall reasonably request and
                                do any and all other acts or things which may be
                                reasonably necessary or advisable to enable such
                                holder to  consummate  the public  sale or other
                                disposition  in  such   jurisdictions   of  such
                                Registrable Securities;  provided, however, that
                                the Company  shall not be required to consent to
                                general  service  of  process,   qualify  to  do
                                business as a foreign corporation where it would
                                not be  otherwise  required to qualify or submit
                                to  liability  for state or local taxes where it
                                is not  liable  for such  taxes or  provide  any
                                undertaking   or   make   any   change   in  its
                                Certificate of Incorporation; and

                     (e)        at any time when a prospectus covered by such
                                Registration Statement is required to be
                                delivered under the Securities Act within the
                                appropriate period mentioned in Section 2.2(b)
                                or Section 2.3(b) hereof, as the case may be,
                                notify each Selling Stockholder of the happening
                                of any event as a result of which the prospectus
                                included in such Registration Statement, as then
                                in effect, includes an untrue statement of a
                                material fact or omits to state a material fact
                                required to be stated therein or necessary to
                                make the statements therein not misleading in
                                the light of the circumstances then existing
                                and, at the request of such seller, prepare,
                                file and furnish to such seller a reasonable
                                number of copies of a supplement to or an
                                amendment of such prospectus as may be necessary
                                so that, as thereafter delivered to the
                                purchasers of such shares, such prospectus shall
                                not include an untrue statement of a material
                                fact or omit to state a material fact required
                                to be stated therein or necessary to make the
                                statement therein not misleading in the light of
                                the circumstances then existing. The Company may
                                delay amending or supplementing the prospectus
                                for a period of up to 90 days if the Company is
                                then engaged in negotiations regarding a
                                material transaction that has not been publicly
                                disclosed, and the Selling Stockholders shall
                                suspend their sale of Shares until an
                                appropriate supplement or prospectus has been
                                forwarded to them or the proposed transaction is
                                abandoned.

           Notwithstanding the foregoing, with respect to the proposed
           Registration of Registrable Securities pursuant to Section 2.3
           hereof, the Company may withdraw or cease proceeding with any
           proposed Registration of Registrable Securities if it has withdrawn
           or ceased proceeding with the proposed Registration of Common Stock
           of the Company with which the Registration of such Registrable
           Securities was to be included.

           2.5       Expenses. The Company shall pay all Registration Expenses
                     incurred by the Company in complying with this Section 2.

           2.6       Information Furnished by Purchaser. It shall be a condition
                     precedent to the Company's obligations under this Agreement
                     as to any Selling Stockholder that each Selling Stockholder
                     furnish to the Company in writing such information
                     regarding such Selling Stockholder and the distribution
                     proposed by such Selling Stockholder as the Company may
                     reasonably request.



<PAGE>


           2.7       Indemnification.

                2.7.1   Company's Indemnification of Purchasers. The Company
                        shall indemnify each Selling Stockholder, each of its
                        officers, directors and constituent partners, and each
                        person controlling (within the meaning of the Securities
                        Act) such Selling Stockholder, against all claims,
                        losses, damages or liabilities (or actions in respect
                        thereof) suffered or incurred by any of them, to the
                        extent such claims, losses, damages or liabilities arise
                        out of or are based upon any untrue statement (or
                        alleged untrue statement) of a material fact contained
                        in any prospectus or any related Registration Statement
                        incident to any such Registration, or any omission (or
                        alleged omission) to state therein a material fact
                        required to be stated therein or necessary to make the
                        statements therein not misleading, or any violation by
                        the Company of any rule or regulation promulgated under
                        the Securities Act applicable to the Company and
                        relating to actions or inaction required of the Company
                        in connection with any such Registration; and the
                        Company will reimburse each such Selling Stockholder,
                        each of its officers, directors and constituent partners
                        and each person who controls any such Selling
                        Stockholder, for any reasonable, documented legal and
                        other expenses incurred in connection with investigating
                        or defending any such claim, loss, damage, liability or
                        action; provided, however, that the indemnity contained
                        in this Section 2.7.1 shall not apply to amounts paid in
                        settlement of any such claim, loss, damage, liability or
                        action if settlement is effected without the consent of
                        the Company (which consent shall not unreasonably be
                        withheld); and provided, further, that the Company will
                        not be liable in any such case to the extent that any
                        such claim, loss, damage, liability or expense arises
                        out of or is based upon any untrue (or alleged untrue)
                        statement or omission based upon written information
                        furnished to the Company by such Selling Stockholder,
                        underwriter, controlling person or other indemnified
                        person and stated to be for use in connection with the
                        offering of securities of the Company.



<PAGE>


                2.7.2   Selling Stockholder's Indemnification of Company. Each
                        Selling Stockholder shall indemnify the Company, each of
                        its directors and officers, each underwriter, if any, of
                        the Company's securities covered by a Registration
                        Statement, each person who controls the Company or such
                        underwriter within the meaning of the Securities Act,
                        and each other Selling Stockholder, each of its
                        officers, directors and constituent partners and each
                        person controlling such other Selling Stockholder,
                        against all claims, losses, damages and liabilities (or
                        actions in respect thereof) suffered or incurred by any
                        of them and arising out of or based upon any untrue
                        statement (or alleged untrue statement) of a material
                        fact contained in such Registration Statement or related
                        prospectus, or any omission (or alleged omission) to
                        state therein a material fact required to be stated
                        therein or necessary to make the statements therein not
                        misleading, or any violation by such Selling Stockholder
                        of any rule or regulation promulgated under the
                        Securities Act applicable to such Selling Stockholder
                        and relating to actions or inaction required of such
                        Selling Stockholder in connection with the Registration
                        of the Registrable Securities pursuant to such
                        Registration Statement; and will reimburse the Company,
                        such other Selling Stockholders, such directors,
                        officers, partners, persons, underwriters and
                        controlling persons for any reasonable, documented legal
                        and other expenses incurred in connection with
                        investigating or defending any such claim, loss, damage,
                        liability or action; provided, however, that such
                        indemnification and reimbursement shall be to the
                        extent, but only to the extent, that such untrue
                        statement (or alleged untrue statement) or omission (or
                        alleged omission) is made in such Registration Statement
                        or prospectus in reliance upon and in conformity with
                        written information furnished to the Company by such
                        Selling Stockholder and stated to be for use in
                        connection with the offering of Registrable Securities.



<PAGE>


                2.7.3   Indemnification Procedure. Promptly after receipt by an
                        indemnified party under this Section 2.7 of notice of
                        the commencement of any action which may give rise to a
                        claim for indemnification hereunder, such indemnified
                        party will, if a claim in respect thereof is to be made
                        against an indemnifying party under this Section 2.7,
                        notify the indemnifying party in writing of the
                        commencement thereof and generally summarize such
                        action. The indemnifying party shall have the right to
                        participate in and to assume the defense of such claim,
                        and shall be entitled to select counsel for the defense
                        of such claim with the approval of any parties entitled
                        to indemnification, which approval shall not be
                        unreasonably withheld. Notwithstanding the foregoing,
                        the parties entitled to indemnification shall have the
                        right to employ separate counsel (reasonably
                        satisfactory to the indemnifying party) to participate
                        in the defense thereof, but the fees and expenses of
                        such separate counsel shall be at the expense of such
                        indemnified parties unless the named parties to such
                        action or proceedings include both the indemnifying
                        party and the indemnified parties and the indemnifying
                        party or such indemnified parties shall have been
                        advised by counsel that there are one or more legal
                        defenses available to the indemnified parties which are
                        different from or additional to those available to the
                        indemnifying party (in which case, if the indemnified
                        parties notify the indemnifying party in writing that
                        they elect to employ separate counsel at the reasonable
                        expense of the indemnifying party, the indemnifying
                        party shall not have the right to assume the defense of
                        such action or proceeding on behalf of the indemnified
                        parties, it being understood, however, that the
                        indemnifying party shall not, in connection with any
                        such action or proceeding or separate or substantially
                        similar or related action or proceeding in the same
                        jurisdiction arising out of the same general allegations
                        or circumstances, be liable for the reasonable,
                        documented fees and expenses of more than one separate
                        counsel at any time for all indemnified parties, which
                        counsel shall be designated in writing by the Purchasers
                        of a majority of the Registrable Securities).

                2.7.4   Contribution. If the indemnification provided for in
                        this Section 2.7 from an indemnifying party is
                        unavailable to an indemnified party hereunder in respect
                        to any losses, claims, damages, liabilities or expenses
                        referred to herein, then the indemnifying party, in lieu
                        of indemnifying such indemnified party, shall contribute
                        to the amount paid or payable by such indemnified party
                        as a result of such losses, claims, damages, liabilities
                        or expenses in such proportion as is appropriate to
                        reflect the relative fault of the indemnifying party and
                        indemnified party in connection with the statements or
                        omissions which result in such losses, claims, damages,
                        liabilities or expenses, as well as any other relevant
                        equitable considerations. The relative fault of such
                        indemnifying party and indemnified party shall be
                        determined by reference to, among other things, whether
                        the untrue or alleged untrue statement of a material
                        fact or the omission or alleged omission to state a
                        material fact relates to information supplied by such
                        indemnifying party or indemnified party and the parties'
                        relative intent, knowledge, access to information
                        supplied by such indemnifying party or indemnified party
                        and opportunity to correct or prevent such statement or
                        omission. The amount paid or payable by a party as a
                        result of the losses, claims, damages, liabilities and
                        expenses referred to above shall be deemed to include
                        any documented legal or other fees or expenses
                        reasonably incurred by such party in connection with
                        investigating or defending any action, suit, proceeding
                        or claim, or in collecting such indemnity or
                        reimbursement from the indemnifying party.



3. Covenants of the Company.

           The Company agrees to:

           (a)       Notify the holders of Registrable Securities included in a
                     Registration Statement (i) of the issuance by the
                     Commission of any stop order suspending the effectiveness
                     of such Registration Statement and (ii) upon learning of
                     the initiation of any proceedings for the purpose of
                     suspending such effectiveness, the existence of such
                     proceedings. The Company will make every reasonable effort
                     to prevent the issuance of any stop order and, if any stop
                     order is issued, to obtain the lifting thereof at the
                     earliest possible time.



<PAGE>


           (b)       If the Common Stock is then listed on a national securities
                     exchange, use its best efforts to cause the Registrable
                     Securities to be listed on such exchange. If the Common
                     Stock is not then listed on a national securities exchange,
                     use its best efforts to facilitate the reporting of the
                     Registrable Securities on Nasdaq.

           (c)       Take all other reasonable actions necessary to expedite and
                     facilitate disposition of the Registrable Securities by the
                     holders thereof pursuant to the Registration Statement.

           (d)       With a view to making available to the holders of
                     Registrable Securities the benefits of Rule 144 promulgated
                     under the Securities Act and any other rule or regulation
                     of the Commission that may at any time permit the
                     Purchasers to sell securities of the Company to the public
                     without registration, the Company agrees to:

                     (i)       make and keep adequate current public information
                               with respect to the Company available, as those
                               terms are understood and defined in Rule 144, at
                               all times after 90 days after the effective date
                               of the first Registration Statement filed by the
                               Company for the offering of its securities to the
                               general public;

                     (ii)      file with the Commission in a timely manner all
                               reports and other documents required of the
                               Company under the Securities Act and the
                               Securities Exchange Act of 1934 (the "1934 Act");
                               and

                     (iii)     furnish to each holder of Shares, so long as such
                               holder of Shares owns any Shares, forthwith upon
                               written request (a) a written statement by the
                               Company as to whether it has complied with the
                               reporting requirements of Rule 144, the
                               Securities Act and the 1934 Act, (b) a copy of
                               the most recent annual or quarterly report of the
                               Company and such other reports and documents so
                               filed by the Company and (c) such other
                               information as may be reasonably requested and as
                               is publicly available in availing the holders of
                               Shares of any rule or regulation of the
                               Commission which permits the selling of any such
                               securities without registration.

           (e)       Prior to the filing of a Registration Statement or any
                     amendment thereto (whether pre-effective or
                     post-effective), and prior to the filing of any prospectus
                     or prospectus supplement related thereto, the Company will
                     provide each Selling Stockholder with copies of all pages
                     thereto, if any, which reference such Selling Stockholder.

           (f)       If the Registration Statement relates to an underwritten
                     offering, enter into and perform its obligations under an
                     underwriting agreement, in usual and customary form,
                     including, without limitation, customary indemnification
                     and contribution obligations, with the underwriter's
                     representative.



<PAGE>


           (g)       Make generally available to its security holders as soon as
                     practicable, but not later than forty five (45) days after
                     the close of the period covered thereby, the Company's
                     financial statements as filed with the Commission.

           (h)       At the request of the Investors who hold a majority in
                     interest of the Registrable Securities being sold,
                     furnish to the underwriters, if any, on the date that
                     Registrable Securities are delivered to the underwriters
                     for sale in connection with a registration pursuant to
                     this Agreement (i) an opinion, dated such date, of the
                     counsel representing the Company for the purposes of
                     such registration, in form and substance as is
                     customarily given to underwriters in an underwritten
                     public offering, addressed to the underwriters, and (ii)
                     a letter, dated such date, from the independent
                     certified public accountants of the Company, in form and
                     substance as is customarily given by independent
                     certified public accountants to underwriters in an
                     underwritten public offering, addressed to the
                     underwriters.

           (i)       Make available for inspection by any underwriters
                     participating in the offering and the counsel, accountants
                     or other agents retained by such underwriter, all pertinent
                     financial and other records, corporate documents and
                     properties of the Company, and cause the Company's
                     officers, directors and employees to supply all information
                     reasonably requested by such underwriters in connection
                     with the Registration Statement.

           (j)       Provide a transfer agent and registrar, which may be a
                     single entity, for the Registrable Securities not later
                     than the effective date of the Registration Statement.

           (k)       Take all actions reasonably necessary to facilitate the
                     timely preparation and delivery of certificates (not
                     bearing any restrictive legend) representing the
                     Registrable Securities sold pursuant to the Registration
                     Statement and to enable such certificates to be in such
                     denominations and registered in such names as the
                     Purchasers or any underwriters may reasonably request.

 4.   Miscellaneous.

           (a) This Agreement shall be governed by and construed under the laws
of the State of New York.

           (b)       This Agreement may not be assigned by a Purchaser other
                     than to the purchaser or transferee of more than 5,000 of
                     the Purchaser's Shares, which purchaser or transferee shall
                     be a permitted assign hereunder and under the Purchase
                     Agreement. Except as otherwise expressly provided herein,
                     the provisions hereof shall inure to the benefit of, and be
                     binding upon, the successors, permitted assigns, heirs,
                     executors and administrators of the parties hereto.



<PAGE>


           (c)       This Agreement and the other documents delivered pursuant
                     hereto constitute the full and entire understanding and
                     agreement among the parties with regard to the subjects
                     hereof and no party shall be liable or bound to any other
                     party in any manner by any representations, warranties,
                     covenants or agreements except as specifically set forth
                     herein or therein. Nothing in this Agreement, express or
                     implied, is intended to confer upon any party, other than
                     the parties hereto and their respective successors and
                     permitted assigns, any rights, remedies, obligations, or
                     liabilities under or by reason of this Agreement, except as
                     expressly provided herein.

           (d)       In the event that any provision of this Agreement shall be
                     invalid, illegal or unenforceable, it shall, to the extent
                     practicable, be modified so as to make it valid, legal and
                     enforceable and to retain as nearly as practicable the
                     intent of the parties, and the validity legality, and
                     enforceability of the remaining provisions shall not in any
                     way be affected or impaired thereby. To the extent
                     permitted by law, the parties waive the benefit of any
                     provision of law that renders any provision of the
                     Agreement invalid or unenforceable in any respect.

           (e)       Except as otherwise provided herein, any term of this
                     Agreement may be amended, and the observance of any term of
                     this Agreement may be waived (either generally or in a
                     particular instance, either retroactively or prospectively,
                     and either for a specified period of time or indefinitely),
                     with the written consent of the Company and the Purchaser.

           (f)       All notices and other communications required or permitted
                     hereunder shall be in writing and shall be deemed
                     effectively given upon personal delivery, on the first
                     business day following mailing by overnight courier, or on
                     the fifth day following mailing by registered or certified
                     mail, return receipt requested, postage prepaid, addressed
                     to the Company at its address as set forth in the Purchase
                     Agreement and to the Purchaser at its address as shown on
                     the books of the Company.

           (g)       The titles of the paragraphs and subparagraphs of this
                     Agreement are for convenience of reference only and are not
                     to be considered in construing this Agreement.

           (h)       This Agreement may be executed in any number of
                     counterparts, each of which shall be deemed an original,
                     but all of which together shall constitute one instrument.



<PAGE>


           (i)       No waiver by any party to this Agreement of any one or more
                     defaults by any other party or parties in the performance
                     of any of the provisions hereof shall operate or be
                     construed as a waiver of any future default or defaults,
                     whether of a like or different nature. Except as expressly
                     provided herein, no failure or delay on the part of any
                     party in exercising any right, power or remedy hereunder
                     shall operate as a waiver thereof, nor shall any single or
                     partial exercise of any such right, power or remedy
                     preclude any other or further exercise thereof or the
                     exercise of any other right, power or remedy.

                     IN WITNESS WHEREOF, the parties have executed this
Registration Rights Agreement as of the day and year first
written above.



- ------------------------------------------------------------- 
Signature of Subscriber(s)


- ------------------------------------------------------------- 
Name of Subscriber(s)
[please print]


- ------------------------------------------------------------- 
Address of Subscriber(s)


- ------------------------------------------------------------- 
Social Security or Taxpayer
Identification Number of Subscriber(s)


- ------------------------------------------------------------- 
Number of Shares Subscribed for


- -------------------------------------------------------------
Number of Warrants Subscribed for


Date:      _____________, 1999



PALATIN TECHNOLOGIES, INC.



By:_____________________________________
Edward J. Quilty
Chairman of the Board and
Chief Executive Officer

Date:      _________________, 1999






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