MIRAVANT MEDICAL TECHNOLOGIES
8-K, 1998-07-17
PHARMACEUTICAL PREPARATIONS
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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): JUNE 30, 1998

                          MIRAVANT MEDICAL TECHNOLOGIES
             (Exact name of registrant as specified in its charter)


     Delaware                          0-25544                   77-0222872
 State or other jurisdiction         (Commission               (IRS Employer
 of incorporation)                   File Number)            Identification No.)



7408 Hollister Avenue
Santa Barbara, California                                             93117
(Address of principal executive offices)                              (Zip Code)


      Registrant's telephone number, including area code:  (805) 685-9880

<PAGE>







ITEM 5.  Other Events


AMENDMENT OF SECURITIES PURCHASE AGREEMENT 

     MIRAVANT MEDICAL TECHNOLOGIES (the "Company") has entered into an Amendment
Agreement  dated June 30,  1998 (the  "Amendment  Agreement")  amending  certain
provisions  of  the  Transaction   Documents  (defined  below),   including  the
Securities  Purchase  Agreement dated September 22, 1997 (the "Original Purchase
Agreement")  among  the  Company,  on the one  hand,  and  Stark  International,
Shepherd Investments International, Staro Partners, Elliott Associates, L.P. and
Westgate  International,  L.P. (the "Purchasers"),  on the other hand. Under the
Original  Purchase  Agreement,  900,000  shares (the  "Shares") of the Company's
Common Stock (the "Common  Stock") were issued to the  Purchasers  at $50.00 per
share (the "Closing Price") in the Company's 1997 private  offering,  along with
Common Stock Purchase Warrants for 900,000 shares (the "Warrant  Shares"),  half
of which were exercisable at $55.00 per Share and half of which were exercisable
at $60.00 per Share (the "Warrants"),  and the Purchasers entered into a Lock-Up
Agreement  and a  Registration  Rights  Agreement  (collectively,  with Original
Purchase  Agreement  and  the  Warrants,  the  "Transaction   Documents").   The
Transaction  Documents  were  previously  filed with the Securities and Exchange
Commission as exhibits to the Company's Registration Statement on Form S-3 dated
December 5, 1997  (Registration No.  333-33905)  relating to the resale of up to
3,540,000  shares of Common Stock,  including the Shares and the Warrant Shares,
by the selling shareholders named therein, including the Purchasers.


     The  following  is a  summary  of  certain  of the  amendments  made to the
Transaction Documents pursuant to the Amendment Agreement.

     1. The Lock-Up  Agreement was amended to extend the expiration  date of the
prohibition  on sales of the Shares and the Warrant  Shares from  September  22,
1998 to March 1, 1999; provided however,  that the restriction now terminates as
to 1/8th of the Shares  and  Warrant  Shares on each  monthly  anniversary  date
beginning  August  1,  1998  and  ending  on  March  1,  1999  (each a  "Monthly
Anniversary Date"). Additionally, the provision permitting certain limited sales
prior to the  expiration  date based on the market price of the Common Stock for
the ten (10) trading days  preceding  any such sale was amended by reducing such
price from $70.00 to $55.00.  The Lock-Up  Agreement  remains subject to earlier
termination in certain limited circumstances.


     2. The price protection  provisions of Section 5.3 of the Original Purchase
Agreement  required the Company to issue either additional shares or pay cash to
the Purchasers, at the Company's option, if the 30 day average closing bid price
of the Common Stock prior to September 22, 1998 was less than the Closing Price.
Under the  Amendment  Agreement,  the  Company's  obligation is now divided into
eight increments; in determining the number of additional shares of Common Stock
or cash  that the  Company  will be  required  to issue or pay,  the  difference
between the Closing Price and the 30 day average closing bid price of the Common
Stock  will  be  measured  on  each  Monthly   Anniversary  Date  (the  "Monthly
Anniversary Price"), and the resulting difference will be multiplied by 1/8th of
the  Shares  which  have not been  sold or  assigned.  Further,  the  number  of
additional  shares which the Company may elect to issue to the Purchasers  under
amended Section 5.3 is now capped at 900,000 shares, with any additional amounts
required to be paid in cash in the event that any Monthly  Anniversary  Price is
less than $25.00.

     3. Under the Amendment Agreement,  the Company has the right until March 1,
1999 to repurchase for cash all or (on a pro rata basis among the  Purchasers) a
part of the Shares at the Closing  Price,  and to terminate all the  Purchasers'
rights under the Amendment  Agreement and the Original  Purchase  Agreement with
respect to the repurchased Shares, including the price protection provisions. If
the Company  completes the  repurchase of all of the Shares at the Closing Price
within sixty (60) calendar days from the date of the  Amendment  Agreement,  the
Company will have no  obligation  to issue the  Additional  Warrants (as defined
below in paragraph 4).

     4. The exercise price of the Warrants is now $35.00 per share,  and subject
to certain  limitations,  the Warrant Shares are now redeemable at the option of
the  Company  in whole or in part at par value if the  closing  bid price of the
Common Stock for twenty (20) consecutive trading days is greater than $60.00 per
share.  If the Company does not  repurchase  all of the Shares within sixty (60)
calendar days from the date of the Amendment Agreement,  the Company is required
to issue to the Purchasers  additional warrants to purchase up to 450,000 shares
of Common  Stock at an  exercise  price of $35.00  per  share  (the  "Additional
Warrants") upon the termination of the restrictions under the Lock-Up Agreement.

     The foregoing is merely a summary of certain of the amendments  made to the
Transaction  Documents  and not intended to be a complete  description  thereof.
Also, certain  additional changes were made to the Original Purchase  Agreement,
the Lock-Up Agreement and the Registration Rights Agreement. Reference is hereby
made to the Amendment Agreement and the other exhibits filed with this Report on
Form 8-K for the full text of the amendments and those described above.


REPURCHASE OF 225,000 SHARES 

     On July 10, 1998, the Company notified the Purchasers of its election under
the Amendment  Agreement to repurchase those Shares subject to the amended price
protection  provisions described above for the first two (2) Monthly Anniversary
Dates (225,000  shares) at the original  Closing  Price.  This  repurchase  will
eliminate the Company's  obligation to issue additional shares or pay cash under
the amended price protection  provisions with respect to the repurchased Shares.
Payment for the Shares will be  delivered to the  Purchasers  in cash no earlier
than twelve (12)  business  days and no later than two (2) business  days before
August 1, 1998.  The Company  retains the right until March 1, 1999 to similarly
repurchase  the  remaining  Shares  (675,000  Shares) and thereby  eliminate the
Company's  obligation  under the amended  price  protection  provisions to issue
additional shares or pay cash with respect to such Shares.


ITEM 7.  Exhibits




Exhibit                                                     
Number              Exhibit
- ------              -------                    

4.1                 Form of $35 Amended and Restated Common Stock Purchase 
                    Warrant issued to the Purchasers

4.2                 Form of $35 Additional Common Stock Purchase Warrant

10.1                Amendment  Agreement  dated  June  30,  1998  to  Securities
                    Purchase Agreement dated September 22, 1997 by and among the
                    Registrant and the Purchasers



<PAGE>


                                   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.

                                                  MIRAVANT MEDICAL TECHNOLOGIES


                                                  By:  /S/JOHN M. PHILPOTT
                                                  ------------------------
                                                         
                                                  John M. Philpott
                                                  Chief Financial Officer



Date:  July 17, 1998

<PAGE>



                                INDEX TO EXHIBITS





Exhibit                                                       
Number                  Exhibit
- ------                  -------

4.1                     Form of $35  Amended and  Restated Common Stock Purchase
                        Warrant issued to the Purchasers

4.2                     Form of $35 Additional Common Stock Purchase Warrant

10.1                    Amendment  Agreement  dated June 30, 1998 to  Securities
                        Purchase Agreement dated September 22, 1997 by and among
                        the Registrant and the Purchasers







Miravant Medical Technologies                                 September 25, 1997
Common Stock Purchase Warrant Certificate                    



                                    EXHIBIT B
                             TO AMENDMENT AGREEMENT


NEITHER THIS WARRANT NOR ANY SHARES OF COMMON STOCK  ISSUABLE  UPON THE EXERCISE
OF THIS  WARRANT  HAVE BEEN  REGISTERED  UNDER THE  SECURITIES  ACT OF 1933,  AS
AMENDED, AND THE RULES AND REGULATIONS  PROMULGATED  THEREUNDER (THE "SECURITIES
ACT").  THIS WARRANT AND THE COMMON STOCK ISSUABLE UPON EXERCISE OF THIS WARRANT
MAY  NOT  BE  OFFERED,   SOLD,  OR  OTHERWISE  TRANSFERRED  IN  THE  ABSENCE  OF
REGISTRATION  UNDER THE SECURITIES ACT OR UNLESS SUCH OFFER, SALE OR TRANSFER IS
EXEMPT FROM SUCH REGISTRATION.

                              AMENDED AND RESTATED
                    COMMON STOCK PURCHASE WARRANT CERTIFICATE

                            Dated: September 25, 1997

      to Purchase [NO] Shares of Common Stock, par value $.01 per Share, of

                          Miravant Medical Technologies

         Miravant Medical Technologies,  a Delaware corporation (the "Company"),
hereby   certifies  that  [HOLDER]  its  permissible   transferees,   designees,
successors and assigns  (collectively,  the "Holder"),  for value  received,  is
entitled to purchase  from the Company at any time  commencing  on September 25,
1997,  and  terminated on December 25, 2001  ("Termination  Date") up to [NO](#)
shares (each a "Share" and  collectively  the "Shares") of the Company's  common
stock par value $.01 per Share (the  "Common  Stock"),  at an exercise  price of
Thirty-Five  Dollars  ($35.00) per Share (the "Exercise  Price").  The number of
Shares purchasable hereunder and the Exercise Price are subject to adjustment as
provided in Section 4 hereof.

         1.       Exercise of Warrants.

                  (a) Upon  presentation  and  surrender  of this  Common  Stock
Purchase  Warrant   Certificate   ("Warrant   Certificate"  or   "Certificate"),
accompanied by a completed  Election to Purchase in the form attached  hereto as
Exhibit A (the "Election to Purchase") duly executed, at the principal office of
the Company currently located at 7408 Hollister Avenue, Santa Barbara, CA 90401,
Attn: Gary S. Kledzik,  Chief Executive Officer, (or such other office or agency
of the Company  within the United  States as the Company  may  designate  to the
Holder)  together  with a check  payable to, or wire transfer to, the Company in
the  amount of the  Exercise  Price  multiplied  by the  number of Shares  being
purchased,  the Company or the  Company's  Transfer  Agent,  as the case may be,
shall within three (3) business days deliver to the Holder  hereof  certificates
of fully paid and non-assessable  Common Stock which in the aggregate  represent
the number of Shares being  purchased;  provided,  however,  that the Holder may
elect to utilize the  cashless  exercise  provisions  set forth below in lieu of
tendering the Exercise Price in cash. The  certificates so delivered shall be in
such  denominations as may be requested by the Holder and shall be registered in
the name of the Holder or such other name as shall be  designated by the Holder.
All or less than all of the  Warrants  represented  by this  Certificate  may be
exercised  and, in case of the  exercise  of less than all,  the  Company,  upon
surrender  hereof,  will at the  Company's  expense  deliver to the Holder a new
Warrant  Certificate  or  Certificates  of like tenor and dated the date  hereof
entitling  said  holder to  purchase  the number of Shares  represented  by this
Certificate  which have not been  exercised and to receive  Registration  Rights
with respect to such Shares.

                  (b) Cashless Exercise. Notwithstanding the foregoing provision
regarding  payment of the  Exercise  Price in cash,  the Holder may,  unless the
Company has prior to Holder's delivery of an Election to Purchase,  notified the
Holder in writing that cashless exercise of the Warrant will not be honored (and
the Company has not withdrawn such notice), elect to receive a reduced number of
Shares in lieu of tendering the Exercise  Price in cash. The Company may, at any
time prior to delivery by Holder of a Election to Purchase, by notice in writing
rescind any previously delivered notice requiring cash exercise.  In the case of
cashless  exercise  the  number of Shares  to be issued to the  Holder  shall be
computed using the following formula:


                                    X = Y(A-B)
                                    ----------
                                            A

where:            X = the number of Shares to be issued to the Holder;
                  Y = the number of Shares to be  exercised  under this  Warrant
                  Certificate; 
                  A = the Market Value (defined below) of one share
                  of Common Stock; and 
                  B = the Exercise Price.

As used  herein,  "Market  Value"  refers to the closing bid price of the Common
Stock (as reported by Bloomberg,  L.P.) on the day before the date that Election
to Purchase and this Warrant Certificate are duly surrendered to the Company for
a full or partial exercise hereof.  Notwithstanding the foregoing definition, if
the Common  Stock is not listed on a national  securities  exchange or quoted in
the Nasdaq  System at the time said  Election to Purchase  is  submitted  to the
Company in the foregoing  manner,  the Market Value of the Common Stock shall be
as determined in good faith by the Board of Directors of the Company, unless the
Company shall become subject to a merger,  acquisition,  or other  consolidation
pursuant to which the  Company is not the  surviving  entity,  in which case the
Market Value of the Common Stock shall be deemed to be the value received by the
Company's  common  stockholders  pursuant to such merger,  acquisition  or other
consolidation.

                  (c) Company  Redemption Right.  Prior to the Termination Date,
the Company shall be entitled to redeem this Warrant  Certificate  for the price
of one cent  ($0.01) in the event that the closing bid price of the Common Stock
(as reported by Bloomberg,  L.P.) for the twenty (20)  consecutive  trading days
immediately preceding a particular date (the "Calculation Date") is greater than
Sixty Dollars  ($60.00) per Share  (subject to  adjustment  in  accordance  with
Section 4 hereof);  provided however,  that the Company shall have such right if
and only if at all times  during such twenty (20) trading day period of time the
Shares of Common Stock were listed on NASDAQ National Market, the New York Stock
Exchange or the American  Stock  Exchange and at all times during such period of
time the Shares  issuable  upon  exercise of the Warrants  were  registered  for
resale  pursuant to an  effective  registration  statement,  were  included in a
current  and  deliverable  prospectus,  and  were  listed  for  trading  on each
principal  exchange or market on which the shares of Common Stock of the Company
were then traded. If the Company wishes to redeem the Warrants,  it shall within
three (3) trading  days of the  Calculation  Date (the  "Notice  Date") give the
Holder  written  irrevocable  notice  of  its  intent  to  redeem  this  Warrant
Certificate or else be prohibited  from  redeeming  this Warrant  Certificate in
connection with such  Calculation  Date. That  irrevocable  written notice shall
specify the number of Warrants to be redeemed (i.e., the number of Common Shares
that will cease to be  issuable  pursuant  to this  Warrant  Certificate);  this
Warrant Certificate shall be exerciseable through and including the date set for
redemption,  which shall be five (5) trading days after the Notice Date.  If the
Company chooses to submit a notice to redeem this Certificate covering a greater
number of Shares than the proportionate  number of Shares that have been removed
from the transfer  restrictions pursuant to Section 1.5 of the Lock-Up Agreement
dated September 22, 1997 by and between the Company and the Holder,  as amended,
the number of Shares  removed  from the transfer  restrictions  pursuant to such
Section  1.5 will  automatically  be  increased  to the higher  number of Shares
specified in such notice.

         2.  Exchange,  Transfer and  Replacement.  (a) At any time prior to the
exercise  hereof,  this  Certificate  may be  exchanged  upon  presentation  and
surrender  to the  Company,  alone or with other  Certificates  of like tenor of
different  denominations  registered in the name of the same Holder, for another
Certificate or Certificates of like tenor in the name of such Holder exercisable
for  the  aggregate   number  of  Shares  as  the  Certificate  or  Certificates
surrendered.

                  (b)  Replacement  of  Warrant  Certificate.  Upon  receipt  of
evidence reasonably satisfactory to the Company of the loss, theft, destruction,
or  mutilation  of this Warrant  Certificate  and, in the case of any such loss,
theft,  or  destruction,  upon  delivery of an  indemnity  agreement  reasonably
satisfactory  in form and  amount  to the  Company,  or, in the case of any such
mutilation,  upon surrender and  cancellation of this Warrant  Certificate,  the
Company, at its expense, will execute and deliver in lieu thereof, a new Warrant
Certificate of like tenor.

                  (c) Cancellation;  Payment of Expenses.  Upon the surrender of
this  Warrant   Certificate  in  connection  with  any  transfer,   exchange  or
replacement  as provided in this  Section 2, this Warrant  Certificate  shall be
promptly  canceled by the Company.  The Company  shall pay all taxes (other than
securities transfer taxes) and all other expenses (other than legal expenses, if
any,  incurred by the Holder or  transferees)  and charges payable in connection
with the preparation, execution and delivery of Warrant Certificates pursuant to
this Section 2.

                  (d) Warrant  Register.  The  Company  shall  maintain,  at its
principal  executive  offices (or at the offices of the  transfer  agent for the
Warrant  Certificate  or such  other  office or agency of the  Company as it may
designate  by  notice  to the  holder  hereof),  a  register  for  this  Warrant
Certificate (the "Warrant Register"), in which the Company shall record the name
and  address  of the  person in whose  name this  Warrant  Certificate  has been
issued,  as well as the name and address of each transferee and each prior owner
of this Warrant Certificate.

         3. Rights and Obligations of Holders of this Certificate. The Holder of
this  Certificate  shall not, by virtue  hereof,  be entitled to any rights of a
stockholder in the Company, either at law or in equity; provided,  however, that
in the  event any  certificate  representing  shares  of  Common  Stock or other
securities  is issued to the holder  hereof upon  exercise of some or all of the
Warrants,  such holder  shall,  for all  purposes,  be deemed to have become the
holder of record of such  Common  Stock on the date on which  this  Certificate,
together with a duly executed Election to Purchase,  was surrendered and payment
of the aggregate  Exercise Price was made,  irrespective of the date of delivery
of such Common Stock certificate.

         4.       Adjustments.

                  (a)  Stock  Dividends,  Reclassifications,  Recapitalizations,
Etc. In the event the  Company:  (i) pays a dividend in Common  Stock or makes a
distribution in Common Stock, (ii) subdivides its outstanding  Common Stock into
a greater number of shares,  (iii) combines its outstanding  Common Stock into a
smaller  number of shares or (iv) increases or decreases the number of shares of
Common Stock  outstanding by  reclassification  of its Common Stock (including a
recapitalization  in  connection  with a  consolidation  or  merger in which the
Company  is the  continuing  corporation),  then (1) the  Exercise  Price on the
record  date of such  division or  distribution  or the  effective  date of such
action shall be adjusted by multiplying  such Exercise Price by a fraction,  the
numerator  of  which  is the  number  of  shares  of  Common  Stock  outstanding
immediately  before  such  event and the  denominator  of which is the number of
shares of Common Stock  outstanding  immediately  after such event,  and (2) the
number of shares of Common  Stock  for which  this  Warrant  Certificate  may be
exercised  immediately  before such event shall be adjusted by multiplying  such
number by a fraction,  the numerator of which is the Exercise Price  immediately
before such event and the denominator of which is the Exercise Price immediately
after such event.

                  (b) Cash Dividends and Other Distributions.  In the event that
at any time or from time to time the Company shall  distribute to all holders of
Common Stock (i) any dividend or other  distribution  of cash,  evidences of its
indebtedness,  shares of its capital stock or any other properties or securities
or (ii) any options,  warrants or other rights to subscribe  for or purchase any
of the foregoing  (other than in each case, (w) the issuance of any rights under
a shareholder rights plan, (x) any dividend or distribution described in Section
4(a), (y) any rights, options,  warrants or securities described in Section 4(c)
and (z) any cash dividends or other cash  distributions from current or retained
earnings),  then the number of shares of Common Stock issuable upon the exercise
of each  Warrant  Certificate  shall  be  increased  to a number  determined  by
multiplying  the number of shares of Common Stock  issuable upon the exercise of
such  Warrant  Certificate  immediately  prior to the  record  date for any such
dividend or  distribution  by a fraction,  the  numerator of which shall be such
Current Market Value (as  hereinafter  defined) per share of Common Stock on the
record date for such  dividend or  distribution,  and the  denominator  of which
shall be such Current  Market Value per share of Common Stock on the record date
for such  dividend or  distribution  less the sum of (x) the amount of cash,  if
any, distributed per share of Common Stock and (y) the fair value (as determined
in good faith by the Board of  Directors  of the  Company,  whose  determination
shall be  evidenced by a board  resolution,  a copy of which will be sent to the
Holders upon request) of the portion, if any, of the distribution  applicable to
one share of Common Stock  consisting  of evidences of  indebtedness,  shares of
stock, securities, other property, warrants, options or subscription or purchase
rights;  and the  Exercise  Price shall be adjusted  to a number  determined  by
dividing the Exercise Price  immediately  prior to such record date by the above
fraction.  Such adjustments  shall be made whenever any distribution is made and
shall become effective as of the date of distribution, retroactive to the record
date for any such  distribution.  No  adjustment  shall be made pursuant to this
Section 4(b) which shall have the effect of  decreasing  the number of shares of
Common Stock  issuable upon exercise of each Warrant  Certificate  or increasing
the Exercise Price.

                  (c) Rights  Issue.  In the event that at any time or from time
to time the  Company  shall issue  rights,  options or  warrants  entitling  the
holders  thereof  to  subscribe  for  shares  of  Common  Stock,  or  securities
convertible  into or exchangeable or exercisable for Common Stock to all holders
of Common Stock  (other than in  connection  with the adoption of a  shareholder
rights  plan by the  Company)  without  any charge,  entitling  such  holders to
subscribe for or purchase shares of Common Stock at a price per share that as of
the record date for such issuance is less than the then Current Market Value per
share of Common  Stock,  the number of shares of Common Stock  issuable upon the
exercise of each Warrant  Certificate  shall be increased to a number determined
by multiplying  the number of shares of Common Stock  theretofore  issuable upon
exercise of each Warrant Certificate by a fraction, the numerator of which shall
be the number of shares of Common Stock  outstanding  on the date of issuance of
such rights, options, warrant or securities plus the number of additional shares
of Common Stock offered for  subscription  or purchase or into or for which such
securities that are issued are convertible, exchangeable or exercisable, and the
denominator  of which shall be the number of shares of Common Stock  outstanding
on the date of issuance of such rights, option,  warrants or securities plus the
total  number  of  shares of Common  Stock  which  the  aggregate  consideration
expected to be received by the Company  (assuming  the exercise or conversion of
all such rights,  options,  warrants or  securities)  would purchase at the then
Current  Market  Value  per  share of  Common  Stock.  In the  event of any such
adjustment,  the  Exercise  Price shall be adjusted  to a number  determined  by
dividing the Exercise  price  immediately  prior to such date of issuance by the
aforementioned fraction. Such adjustment shall be immediately after such rights,
options or warrants are issued and shall become  effective,  retroactive  to the
record date for the  determination  of  stockholders  entitled  to receive  such
rights, options, warrants or securities. No adjustment shall be made pursuant to
this Section 4(c) which shall have the effect of decreasing the number of shares
of Common Stock  purchasable  upon  exercise or each Warrant  Certificate  or of
increasing the Exercise Price.

                  (d)  Combination:  Liquidation.  (i)  Except  as  provided  in
Section  4(d)(ii) below, in the event of a Combination (as defined below),  each
Holder shall have the right to receive upon exercise of the Warrant Certificates
the kind and amount of shares of capital  stock or other  securities or property
which such Holder  would have been  entitled  to receive  upon or as a result of
such Combination had such Warrant  Certificate been exercised  immediately prior
to such  event  (subject  to further  adjustment  in  accordance  with the terms
hereof). Unless paragraph (ii) is applicable to a Combination, the Company shall
provide that the surviving or acquiring Person (the "Successor Company") in such
Combination will assume by written instrument the obligations under this Section
4 and the obligations to deliver to the Holder such shares of stock,  securities
or assets as, in  accordance  with the foregoing  provisions,  the Holder may be
entitled to acquire.  The  provisions of this Section  4(d)(i)  shall  similarly
apply to successive Combinations involving any Successor Company.  "Combination"
means an event in which the Company  consolidates with, mergers with or into, or
sells all or substantially  all of its assets to another Person,  where "Person"
means any individual, corporation, partnership, joint venture, limited liability
company,  association,  joint-stock company, trust, unincorporated organization,
government or any agency or political subdivision thereof or any other entity.

                  (ii) In the event of (x) a Combination where  consideration to
the holders of Common Stock in exchange  for their  shares is payable  solely in
cash or (y) the  dissolution,  liquidation  or  winding-up  of the Company,  the
Holders  shall  be  entitled  to  receive,   upon  surrender  of  their  Warrant
Certificates,  distributions  on an equal basis with the holders of Common Stock
or other securities  issuable upon exercise of the Warrant  Certificates,  as if
the Warrant  Certificates  had been exercised  immediately  prior to such event,
less the Exercise Price.  In case of any  Combination  described in this Section
4(d)(ii),   the  surviving  or  acquiring  Person  and,  in  the  event  of  any
dissolution,  liquidation  or  winding-up  of the Company,  the  Company,  shall
deposit  promptly with an agent or trustee for the benefit of the Holders of the
funds,  if any,  necessary  to pay to the  Holders the amounts to which they are
entitled  as  described  above.  After  such funds and the  surrendered  Warrant
Certificates  are  received,  the Company is required to deliver a check in such
amount as is appropriate (or, in the case or consideration other than cash, such
other  consideration  as is  appropriate) to such Person or Persons as it may be
directed in writing by the Holders surrendering such Warrant Certificates.

                  (e) Notice of  Adjustment.  Whenever the Exercise Price or the
number of shares of Common  Stock  and other  property,  if any,  issuable  upon
exercise  of the Warrant  Certificates  is  adjusted,  as herein  provided,  the
Company shall deliver to the holders of the Warrant  Certificates  in accordance
with Section 10 a certificate of the Company's Chief  Financial  Officer setting
forth, in reasonable  detail,  the event requiring the adjustment and the method
by which such adjustment was calculated (including a description of the basis on
which (i) the Board of Directors  determined  the fair value of any evidences of
indebtedness,  other  securities  or  property  or  warrants,  options  or other
subscription  or purchase rights and (ii) the Current Market Value of the common
Stock was  determined,  if either of such  determinations  were  required),  and
specifying the Exercise Price and number of shares of Common Stock issuable upon
exercise of Warrant Certificates after giving effect to such adjustment.

                  (f)  Notice of  Certain  Transactions.  In the event  that the
Company shall propose (a) to pay any dividend payable in securities of any class
to the  holders of its Common  Stock or to make any other  non-cash  dividend or
distribution to the holders of its Common Stock, (b) to offer the holders of its
Common Stock rights to subscribe for or to purchase any  securities  convertible
into  shares  of  Common  Stock or  shares  of stock of any  class or any  other
securities,  rights  or  options,  (c) to  effect  any  capital  reorganization,
reclassification,  consolidation  or merger affecting the class of Common Stock,
as a  whole,  or  (d)  to  effect  the  voluntary  or  involuntary  dissolution,
liquidation  or winding-up of the Company,  the Company  shall,  within the time
limits specified below,  send to each Holder a notice of such proposed action or
offer.  Such notice  shall be mailed to the Holders at their  addresses  as they
appear in the Warrant Register (as defined in Section 2(d)), which shall specify
the record date for the purposes of such dividend,  distribution  or rights,  or
the date such  issuance or event is to take place and the date of  participation
therein by the  holders of Common  Stock,  if any such date is to be fixed,  and
shall briefly  indicate the effect of such action on the Common Stock and on the
number and kind of any other shares of stock and on other property,  if any, and
the number of shares of Common Stock and other property,  if any,  issuable upon
exercise of each Warrant  Certificate and the Exercise Price after giving effect
to any  adjustment  pursuant  to Section 4 which will be required as a result of
such  action.  Such notice shall be given as promptly as possible and (x) in the
case of any action covered by clause (a) or (b) above, at least 10 days prior to
the record date for determining holders of the Common Stock for purposes of such
action or (y) in the case of any other  such  action,  at least 20 days prior to
the date of the  taking of such  proposed  action  or the date of  participation
therein by the holders of Common Stock, whichever shall be the earlier.

                  (g) Current Market Value.  "Current Market Value" per share of
Common Stock or any other  security at any date means (i) if the security is not
registered under the Securities  Exchange Act of 1934, as amended (the "Exchange
Act"),  (a) the value of the security,  determined in good faith by the Board of
Directors of the Company and certified in a board resolution,  based on the most
recently  completed  arm's-length  transaction  between the Company and a Person
other than an  affiliate  of the Company or between any two such Persons and the
closing of which occurs on such date or shall have occurred within the six-month
period  preceding such date, or (b) if no such  transaction  shall have occurred
within the  six-month  period,  the value of the  security as  determined  by an
independent  financial  expert or (ii) if the security is  registered  under the
Exchange Act, the average of the daily closing bid prices (or the  equivalent in
an over-the-counter market) for each day on which the Common Stock is traded for
any period on the principal  securities  exchange or other securities  market on
which the common Stock is being traded (each, a "Trading Day") during the period
commencing ten (10) Trading Days before such date and ending on the date one day
prior to such date,  or if the security has been  registered  under the Exchange
Act for less than ten (10)  consecutive  Trading  Days  before  such  date,  the
average of the daily  closing  bid prices  (or such  equivalent)  for all of the
Trading Days before such date for which daily closing bid prices are  available;
provided,  however,  that if the  closing bid price is not  determinable  for at
least five (5) Trading Days in such period,  the "Current  Market  Value" of the
security  shall be determined as if the security were not  registered  under the
Exchange Act.

                  (h) Other  Adjustments.  If the event of any other transaction
of the type  contemplated  by this Section 4, but not expressly  provided for by
the  provisions  hereof,  the  Board  of  Directors  of the  Company  will  make
appropriate  adjustment  in the Exercise  Price so as to  equitably  protect the
rights of the Holder.

                  (i) No Impairment of Holder's Rights. The Company will not, by
amendment  of  its  certificate  of  incorporation  or  bylaws  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  Certificate,  but
will at all times in good faith assist in the carrying out of all such terms and
in the  taking of all  action as may be  necessary  or  appropriate  in order to
protect the rights of the Holder against dilution or other impairment.

         5. Company's Representations.

                  (a) The Company covenants and agrees that all shares of Common
Stock issuable upon exercise of this Warrant Certificate will, upon delivery, be
duly and validly  authorized and issued,  fully-paid and non-assessable and free
from all taxes, liens, claims and encumbrances.

                  (b) The Company covenants and agrees that it will at all times
reserve and keep  available an  authorized  number of shares of its Common Stock
and other applicable securities sufficient to permit the exercise in full of all
outstanding options, warrants and rights, including this Warrant Certificate.

                  (c) The  Company  shall  promptly  secure  the  listing of the
Shares upon each national  securities exchange or automated quotation system, if
any, upon which shares of Common Stock are then listed or become listed (subject
to official  notice of issuance upon exercise of this Warrant  Certificate)  and
shall maintain,  so long as any other shares of Common Stock shall be so listed,
such listing of all shares of Common Stock from time to time  issuable  upon the
exercise of this  Warrant  Certificate;  and the  Company  shall so list on each
national  securities exchange or automated quotation system, as the case may be,
and shall  maintain  such listing of, any other  shares of capital  stock of the
company issuable upon the exercise of this Warrant Certificate if and so long as
any  shares  of the same  class  shall be  listed  on such  national  securities
exchange or automated quotation system.


                  (d) The Company has taken all necessary action and proceedings
as required and permitted by applicable  law,  rule and  regulation,  including,
without limitation, the notification of the principal market on which the Common
Stock is traded, for the legal and valid issuance of this Warrant Certificate to
the Holder under this Warrant Certificate.

                  (e) The Warrant  Shares,  when issued in  accordance  with the
terms hereof, will be duly authorized and, when paid for or issued in accordance
with the terms hereof,  shall be validly issued,  fully paid and non-assessable.
The Company has  authorized  and  reserved  for  issuance to Warrant  Holder the
requisite  number  of  shares of  Common  Stock to be  issued  pursuant  to this
Warrant.

                  (f) With a view to making  available to Holder the benefits of
Rule 144  promulgated  under the Act and any  other  rule or  regulation  of the
Securities and Exchange Commission ("SEC") that may at any time permit Holder to
sell securities of the Company to the public without  registration,  the Company
agrees to use its reasonable best efforts to:

          (i) make and keep  public  information  available,  as those terms are
     understood and defined in Rule 144, at all times;

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

          (iii) furnish to any Holder forthwith upon request a written statement
     by the Company that it has complied with the reporting requirements of Rule
     144 and of the Act and the Exchange  Act, a copy of the most recent  annual
     or quarterly report of the Company, and such other reports and documents so
     filed by the  Company  as may be  reasonably  requested  to permit any such
     Holder to take  advantage of any rule or regulation  of the SEC  permitting
     the selling of any such securities without registration.

         6. Registration  Rights.  The Holder is entitled to the benefit of such
registration  rights  in  respect  of  the  Shares  as  are  set  forth  in  the
Registration Rights Agreement dated as of September 25, 1997, as amended, by and
between the Company and the Holder.

         7. Fractional Shares:  Legends. (a) In lieu of issuance of a fractional
share upon any exercise  hereunder,  the Company will pay the cash value of that
fractional  share,  calculated on the basis of the Exercise Price.  (b) Prior to
registration of the shares of Common Stock underlying this Warrant  Certificate,
all such  certificates  shall bear a  restrictive  legend to the effect that the
Shares  represented by such  certificate have not been registered under the 1933
Act, and that the Shares may not be sold or  transferred  in the absence of such
registration or an exemption  therefrom,  such legend to be substantially in the
form of the  bold-face  language  appearing at the top of Page 1 of this Warrant
Certificate.

         8.  Disposition  of  Warrants  or Shares.  The  Holder of this  Warrant
Certificate, each transferee hereof and any holder and transferee of any Shares,
by his or its acceptance thereof, agrees that no public distribution of Warrants
or  Shares  will  be  made in  violation  of the  provisions  of the  1933  Act.
Furthermore,  it shall be a condition to the  transfer of the Warrants  that any
transferee thereof deliver to the Company his or its written agreement to accept
and be  bound by all of the  terms  and  conditions  contained  in this  Warrant
Certificate.

         9. Merger or  Consolidation.  The Company will not merge or consolidate
with or into any other corporation,  or sell or otherwise transfer its property,
assets and business substantially as an entirety to another corporation,  unless
the  corporation  resulting  from  such  merger  or  consolidation  (if  not the
Company),  or such transferee  corporation,  as the case may be, shall expressly
assume, by supplemental agreement reasonably  satisfactory in form and substance
to the Holder, the due and punctual performance and observance of each and every
covenant and condition of this Warrant  Certificate to be performed and observed
by the Company.

         10. Notices.  Except as otherwise specified herein to the contrary, all
notices,  requests,  demands and other communications  required or desired to be
given  hereunder  shall only be  effective  if given in writing by  certified or
registered  U.S.  mail with return  receipt  requested and postage  prepaid;  by
private  overnight  delivery  service  (e.g.  Federal  Express);   by  facsimile
transmission  (if no  original  documents  or  instruments  must  accompany  the
notice);  or by personal delivery.  Any such notice shall be deemed to have been
given (a) on the business day  immediately  following  the mailing  thereof,  if
mailed by certified or  registered  U.S.  mail as  specified  above;  (b) on the
business day immediately  following  deposit with a private  overnight  delivery
service  if  sent  by  said  service;   (c)  upon  receipt  of  confirmation  of
transmission if sent by facsimile transmission; or (d) upon personal delivery of
the notice.  All such notices  shall be sent to the  following  addresses (or to
such other  address or  addresses  as a party may have  advised the other in the
manner provided in this Section 9):


                  If to the Company:

                  Miravant Medical Technologies
                  7408 Hollister Avenue
                  Santa Barbara, CA 93117
                  Attention: Gary S. Kledzik, Chief Executive Officer
                  Fax: (805) 685-2959
                  Tel:  (805) 685-9880

                  If to the Holder:

                  [HOLDER]
                  [ADDRESS]
                  Attention:
                  Facsimile:

                  with a copy to:

                  [HOLDER COUNSEL]
                  [ADDRESS]
                  New York, NY 10176
                  Attention:
                  Facsimile:

                  With a copy to:

                  Shoreline Pacific Institutional Finance
                  3 Harbor Drive, Suite 211
                  Sausalito, CA  94965
                  Attention:  General Counsel
                  Fax:  (415) 332-7808
                  Tel:  (415) 332-7800

Notwithstanding  the time of effectiveness of notices set forth in this Section,
an Election to Purchase shall not be deemed  effectively given until it has been
duly completed and submitted to the Company  together with the original  Warrant
Certificate  to be exercised  and payment of the Exercise  Price in a manner set
forth in this Section.

          11. Governing Law:Jurisdiction.This Agreement shall be governed by and
construed in accordance with the Delaware General Corporation Law (in respect of
matters of corporation  law) and the laws of the State of California (in respect
of all other  matters)  applicable to contracts  made and to be performed in the
State of California.  The parties hereto irrevocably consent to the jurisdiction
of the United States  federal  courts and state courts  located in the County of
New  Castle  in the  State of  Delaware  in any suit or  proceeding  based on or
arising  under  this  Agreement  or the  transactions  contemplated  hereby  and
irrevocably  agree that all claims in respect of such suit or proceeding  may be
determined in such courts. The Company and each Purchaser irrevocably waives the
defense of an  inconvenient  forum to the maintenance of such suit or proceeding
in such forum.  The Company and each  Purchaser  further  agrees that service of
process upon the Company or such Purchaser,  as applicable,  mailed by the first
class  mail in  accordance  with  Section  10 shall be deemed  in every  respect
effective  service of process upon the Company or such  Purchaser in any suit or
proceeding arising  hereunder.  Nothing herein shall affect Purchaser's right to
serve  process in any other manner  permitted  by law. The parties  hereto agree
that a final  non-appealable  judgment in any such suit or  proceeding  shall be
conclusive and may be enforced in other  jurisdictions  by suit on such judgment
or in any other lawful manner. The parties hereto irrevocably waive the right to
trial by jury under applicable law.

         12. Successors and Assigns.  This Warrant  Certificate shall be binding
upon and shall inure to the benefit of the parties  hereto and their  respective
successors and assigns.

         13.  Headings.  The  headings  of  various  sections  of  this  Warrant
Certificate  have been  inserted  for  reference  only and shall not  affect the
meaning or construction of any of the provisions hereof.

         14. Severability.  If any provision of this Warrant Certificate is held
to be unenforceable  under applicable law, such provision shall be excluded from
this Warrant Certificate, and the balance hereof shall be interpreted as if such
provision were so excluded.

         15. Modification and Waiver. This Warrant Certificate and any provision
hereof may be amended, waived, discharged or terminated only by an instrument in
writing signed by the Company and the Holder.

         16.  Limitation on Exercise.  Notwithstanding  anything to the contrary
contained herein, this Warrant Certificate may not be exercised by the Holder to
the extent that, after giving effect to Certificate Shares to be issued pursuant
to an Election to  Purchase,  the total  number of shares of Common Stock deemed
beneficially  owned by such Holder  (other than by virtue of  ownership  of this
Warrant  Certificate,  or ownership of other securities that have actions on the
Holder's  rights to convert or  exercise  similar to the  limitations  set forth
herein),  together with all shares of Common Stock deemed  beneficially owned by
the  Holder's  "affiliates"  (as  defined  in Rule 144 of the Act) that would be
aggregated  for purposes of  determining  whether a group under Section 13(d) of
the  Securities  Exchange  Act of 1934  exists,  would  exceed 4.9% of the total
issued and outstanding shares of the Common Stock;  provided that the Holder may
waive the limitation of this Section 16 (i) upon 61 days prior written notice or
(ii) immediately  upon a merger in which the Company does not survive,  the sale
of all  or  substantially  all  of the  Company's  assets,  the  failure  of the
Company's current stockholders to any longer hold more than 50% of the Company's
voting securities, or any similar change in control transaction. The delivery of
an Election to Purchase by the Holder shall be deemed a  representation  by such
Holder  that  it  is  in  compliance  with  this  paragraph.  The  term  "deemed
beneficially  owned" as used in this Warrant  Certificate  shall exclude  shares
that might otherwise be deemed  beneficially  owned by reason of the exercise of
this Warrant Certificate.

         17. Specific  Enforcement.  The Company and the Holder  acknowledge and
agree  that  irreparable  damage  would  occur  in  the  event  that  any of the
provisions of this Warrant  Certificate  were not  performed in accordance  with
their specific terms or were otherwise  breached.  It is accordingly agreed that
the parties shall be entitled to an injunction or injunctions to prevent or cure
breaches  of  the  provisions  of  this  Warrant   Certificate  and  to  enforce
specifically  the terms and  provisions  hereof,  this being in  addition to any
other remedy to which either of them may be entitled by law or equity.

         18.  Assignment.   This  Warrant  Certificate  may  be  transferred  or
assigned,  in whole or in  part,  at any time and from  time to time by the then
Holder by submitting  this Warrant to the Company  together with a duly executed
Assignment  in  substantially  the form and  substance of the Form of Assignment
which  accompanies  this Warrant  Certificate  and, upon the  Company's  receipt
hereof, and in any event, within three (3) business days thereafter, the Company
shall issue a Warrant Certificate to the Holder to evidence that portion of this
Warrant Certificate, if any as shall not have been so transferred or assigned.

         IN WITNESS WHEREOF,  the Company has caused this Warrant Certificate to
be duly  executed,  manually or by facsimile,  by one of its officers  thereunto
duly authorized.
                                                   MIRAVANT MEDICAL TECHNOLOGIES


Date:_________________                      By:_________________________________
                                            Gary S. Kledzik
                                            Chief Executive Officer


<PAGE>


Common Stock Purchase Warrant Certificate


                              ELECTION TO PURCHASE

                          To Be Executed by the Holder
                      in Order to Exercise the Common Stock
                          Purchase Warrant Certificate

         The  undersigned  Holder  hereby  elects  to  exercise  _______  of the
Warrants  represented by the attached Common Stock Purchase Warrant Certificate,
and to purchase  the shares of Common Stock  issuable  upon the exercise of such
Warrants,  and requests that  certificates  for securities be issued in the name
of:

                  ----------------------------------------------------------
                     (Please type or print name and address)
                  ==========================================================
                  ----------------------------------------------------------
                 (Social Security or Tax Identification Number)
and delivered to:______________________________________________________________
_____________________________________________________________________________ .
                 (Please type or print name and address if different from above)

If such number of Warrants being exercised  hereby shall not be all the Warrants
evidenced  by the attached  Common Stock  Purchase  Warrant  Certificate,  a new
Common Stock Purchase Warrant Certificate for the balance of such Warrants shall
be  registered  in the name of, and  delivered to, the Holder at the address 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 check,  money order or wire  transfer  payable in United  States
currency to the order of Miravant  Medical  Technologies.]  or [The  undersigned
elects  cashless  exercise in  accordance  with Section 1(b) of the Common Stock
Purchase Warrant Certificate.]

                                     HOLDER:



Dated:___________________            By:_____________________________________
                                     Name:
                                     Title:
                                     Address:




<PAGE>


                               FORM OF ASSIGNMENT
                   (To be signed only on transfer of Warrant)



For value received,  the undersigned hereby sells,  assigns,  and transfers unto
_____________  the right  represented by the within  Warrant to purchase  ______
shares of Common Stock of Miravant Medical Technologies, a Delaware corporation,
to which the within Warrant relates, and appoints  ____________________ Attorney
to transfer such right on the books of Miravant Medical Technologies, a Delaware
Corporation, with full power of substitution of premises.




Dated:                                  By:
                                        Name:
                                        Title:
                                       (signature must conform to name of holder
                                        as specified on the fact of the warrant)


                                        Address:




Signed in the presence of :







Miravant Medical Technologies
Common Stock Purchase Warrant Certificate




                                    EXHIBIT C
                             TO AMENDMENT AGREEMENT

NEITHER THIS WARRANT NOR ANY SHARES OF COMMON STOCK  ISSUABLE  UPON THE EXERCISE
OF THIS  WARRANT  HAVE BEEN  REGISTERED  UNDER THE  SECURITIES  ACT OF 1933,  AS
AMENDED, AND THE RULES AND REGULATIONS  PROMULGATED  THEREUNDER (THE "SECURITIES
ACT").  THIS WARRANT AND THE COMMON STOCK ISSUABLE UPON EXERCISE OF THIS WARRANT
MAY  NOT  BE  OFFERED,   SOLD,  OR  OTHERWISE  TRANSFERRED  IN  THE  ABSENCE  OF
REGISTRATION  UNDER THE SECURITIES ACT OR UNLESS SUCH OFFER, SALE OR TRANSFER IS
EXEMPT FROM SUCH REGISTRATION.

                    COMMON STOCK PURCHASE WARRANT CERTIFICATE

                             Dated: [ISSUANCE DATE]

      to Purchase [NO] Shares of Common Stock, par value $.01 per Share, of

                          Miravant Medical Technologies

         Miravant Medical Technologies,  a Delaware corporation (the "Company"),
hereby  certifies  that  [HOLDER],  its  permissible   transferees,   designees,
successors and assigns  (collectively,  the "Holder"),  for value  received,  is
entitled to purchase from the Company at any time commencing on [ISSUANCE DATE],
and terminated on December 25, 2001  ("Termination  Date") up to [NO SHARES] (#)
shares (each a "Share" and  collectively  the "Shares") of the Company's  common
stock par value $.01 per Share (the  "Common  Stock"),  at an exercise  price of
Thirty-Five  Dollars  ($35.00) per Share (the "Exercise  Price").  The number of
Shares purchasable hereunder and the Exercise Price are subject to adjustment as
provided in Section 4 hereof.

         1.       Exercise of Warrants.

                  (a) Upon  presentation  and  surrender  of this  Common  Stock
Purchase  Warrant   Certificate   ("Warrant   Certificate"  or   "Certificate"),
accompanied by a completed  Election to Purchase in the form attached  hereto as
Exhibit A (the "Election to Purchase") duly executed, at the principal office of
the Company currently located at 7408 Hollister Avenue, Santa Barbara, CA 90401,
Attn: Gary S. Kledzik,  Chief Executive Officer, (or such other office or agency
of the Company  within the United  States as the Company  may  designate  to the
Holder)  together  with a check  payable to, or wire transfer to, the Company in
the  amount of the  Exercise  Price  multiplied  by the  number of Shares  being
purchased,  the Company or the  Company's  Transfer  Agent,  as the case may be,
shall within three (3) business days deliver to the Holder  hereof  certificates
of fully paid and non-assessable  Common Stock which in the aggregate  represent
the number of Shares being  purchased;  provided,  however,  that the Holder may
elect to utilize the  cashless  exercise  provisions  set forth below in lieu of
tendering the Exercise Price in cash. The  certificates so delivered shall be in
such  denominations as may be requested by the Holder and shall be registered in
the name of the Holder or such other name as shall be  designated by the Holder.
All or less than all of the  Warrants  represented  by this  Certificate  may be
exercised  and, in case of the  exercise  of less than all,  the  Company,  upon
surrender  hereof,  will at the  Company's  expense  deliver to the Holder a new
Warrant  Certificate  or  Certificates  of like tenor and dated the date  hereof
entitling  said  holder to  purchase  the number of Shares  represented  by this
Certificate  which have not been  exercised and to receive  Registration  Rights
with respect to such Shares.

                  (b) Cashless Exercise. Notwithstanding the foregoing provision
regarding  payment of the  Exercise  Price in cash,  the Holder may,  unless the
Company has prior to Holder's delivery of an Election to Purchase,  notified the
Holder in writing that cashless exercise of the Warrant will not be honored (and
the Company has not withdrawn such notice), elect to receive a reduced number of
Shares in lieu of tendering the Exercise  Price in cash. The Company may, at any
time prior to delivery by Holder of a Election to Purchase, by notice in writing
rescind any previously delivered notice requiring cash exercise.  In the case of
cashless  exercise  the  number of Shares  to be issued to the  Holder  shall be
computed using the following formula:


                                    X = Y(A-B)
                                    ----------
                                            A


where:   X = the number of Shares to be issued to the Holder;
         Y = the number of Shares to be  exercised  under this  Warrant
         Certificate;
         A = the Market Value (defined below) of one share of Common Stock; and
         B = the Exercise Price.

As used  herein,  "Market  Value"  refers to the closing bid price of the Common
Stock (as reported by Bloomberg,  L.P.) on the day before the date that Election
to Purchase and this Warrant Certificate are duly surrendered to the Company for
a full or partial exercise hereof.  Notwithstanding the foregoing definition, if
the Common  Stock is not listed on a national  securities  exchange or quoted in
the Nasdaq  System at the time said  Election to Purchase  is  submitted  to the
Company in the foregoing  manner,  the Market Value of the Common Stock shall be
as determined in good faith by the Board of Directors of the Company, unless the
Company shall become subject to a merger,  acquisition,  or other  consolidation
pursuant to which the  Company is not the  surviving  entity,  in which case the
Market Value of the Common Stock shall be deemed to be the value received by the
Company's  common  stockholders  pursuant to such merger,  acquisition  or other
consolidation.


         2.  Exchange,  Transfer and  Replacement.  (a) At any time prior to the
exercise  hereof,  this  Certificate  may be  exchanged  upon  presentation  and
surrender  to the  Company,  alone or with other  Certificates  of like tenor of
different  denominations  registered in the name of the same Holder, for another
Certificate or Certificates of like tenor in the name of such Holder exercisable
for  the  aggregate   number  of  Shares  as  the  Certificate  or  Certificates
surrendered.

                  (b)  Replacement  of  Warrant  Certificate.  Upon  receipt  of
evidence reasonably satisfactory to the Company of the loss, theft, destruction,
or  mutilation  of this Warrant  Certificate  and, in the case of any such loss,
theft,  or  destruction,  upon  delivery of an  indemnity  agreement  reasonably
satisfactory  in form and  amount  to the  Company,  or, in the case of any such
mutilation,  upon surrender and  cancellation of this Warrant  Certificate,  the
Company, at its expense, will execute and deliver in lieu thereof, a new Warrant
Certificate of like tenor.

                  (c) Cancellation;  Payment of Expenses.  Upon the surrender of
this  Warrant   Certificate  in  connection  with  any  transfer,   exchange  or
replacement  as provided in this  Section 2, this Warrant  Certificate  shall be
promptly  canceled by the Company.  The Company  shall pay all taxes (other than
securities transfer taxes) and all other expenses (other than legal expenses, if
any,  incurred by the Holder or  transferees)  and charges payable in connection
with the preparation, execution and delivery of Warrant Certificates pursuant to
this Section 2.

                  (d) Warrant  Register.  The  Company  shall  maintain,  at its
principal  executive  offices (or at the offices of the  transfer  agent for the
Warrant  Certificate  or such  other  office or agency of the  Company as it may
designate  by  notice  to the  holder  hereof),  a  register  for  this  Warrant
Certificate (the "Warrant Register"), in which the Company shall record the name
and  address  of the  person in whose  name this  Warrant  Certificate  has been
issued,  as well as the name and address of each transferee and each prior owner
of this Warrant Certificate.

         3. Rights and Obligations of Holders of this Certificate. The Holder of
this  Certificate  shall not, by virtue  hereof,  be entitled to any rights of a
stockholder in the Company, either at law or in equity; provided,  however, that
in the  event any  certificate  representing  shares  of  Common  Stock or other
securities  is issued to the holder  hereof upon  exercise of some or all of the
Warrants,  such holder  shall,  for all  purposes,  be deemed to have become the
holder of record of such  Common  Stock on the date on which  this  Certificate,
together with a duly executed Election to Purchase,  was surrendered and payment
of the aggregate  Exercise Price was made,  irrespective of the date of delivery
of such Common Stock certificate.

         4.       Adjustments.

                  (a)  Stock  Dividends,  Reclassifications,  Recapitalizations,
Etc. In the event the  Company:  (i) pays a dividend in Common  Stock or makes a
distribution in Common Stock, (ii) subdivides its outstanding  Common Stock into
a greater number of shares,  (iii) combines its outstanding  Common Stock into a
smaller  number of shares or (iv) increases or decreases the number of shares of
Common Stock  outstanding by  reclassification  of its Common Stock (including a
recapitalization  in  connection  with a  consolidation  or  merger in which the
Company  is the  continuing  corporation),  then (1) the  Exercise  Price on the
record  date of such  division or  distribution  or the  effective  date of such
action shall be adjusted by multiplying  such Exercise Price by a fraction,  the
numerator  of  which  is the  number  of  shares  of  Common  Stock  outstanding
immediately  before  such  event and the  denominator  of which is the number of
shares of Common Stock  outstanding  immediately  after such event,  and (2) the
number of shares of Common  Stock  for which  this  Warrant  Certificate  may be
exercised  immediately  before such event shall be adjusted by multiplying  such
number by a fraction,  the numerator of which is the Exercise Price  immediately
before such event and the denominator of which is the Exercise Price immediately
after such event.

                  (b) Cash Dividends and Other Distributions.  In the event that
at any time or from time to time the Company shall  distribute to all holders of
Common Stock (i) any dividend or other  distribution  of cash,  evidences of its
indebtedness,  shares of its capital stock or any other properties or securities
or (ii) any options,  warrants or other rights to subscribe  for or purchase any
of the foregoing  (other than in each case, (w) the issuance of any rights under
a shareholder rights plan, (x) any dividend or distribution described in Section
4(a), (y) any rights, options,  warrants or securities described in Section 4(c)
and (z) any cash dividends or other cash  distributions from current or retained
earnings),  then the number of shares of Common Stock issuable upon the exercise
of each  Warrant  Certificate  shall  be  increased  to a number  determined  by
multiplying  the number of shares of Common Stock  issuable upon the exercise of
such  Warrant  Certificate  immediately  prior to the  record  date for any such
dividend or  distribution  by a fraction,  the  numerator of which shall be such
Current Market Value (as  hereinafter  defined) per share of Common Stock on the
record date for such  dividend or  distribution,  and the  denominator  of which
shall be such Current  Market Value per share of Common Stock on the record date
for such  dividend or  distribution  less the sum of (x) the amount of cash,  if
any, distributed per share of Common Stock and (y) the fair value (as determined
in good faith by the Board of  Directors  of the  Company,  whose  determination
shall be  evidenced by a board  resolution,  a copy of which will be sent to the
Holders upon request) of the portion, if any, of the distribution  applicable to
one share of Common Stock  consisting  of evidences of  indebtedness,  shares of
stock, securities, other property, warrants, options or subscription or purchase
rights;  and the  Exercise  Price shall be adjusted  to a number  determined  by
dividing the Exercise Price  immediately  prior to such record date by the above
fraction.  Such adjustments  shall be made whenever any distribution is made and
shall become effective as of the date of distribution, retroactive to the record
date for any such  distribution.  No  adjustment  shall be made pursuant to this
Section 4(b) which shall have the effect of  decreasing  the number of shares of
Common Stock  issuable upon exercise of each Warrant  Certificate  or increasing
the Exercise Price.

                  (c) Rights  Issue.  In the event that at any time or from time
to time the  Company  shall issue  rights,  options or  warrants  entitling  the
holders  thereof  to  subscribe  for  shares  of  Common  Stock,  or  securities
convertible  into or exchangeable or exercisable for Common Stock to all holders
of Common Stock  (other than in  connection  with the adoption of a  shareholder
rights  plan by the  Company)  without  any charge,  entitling  such  holders to
subscribe for or purchase shares of Common Stock at a price per share that as of
the record date for such issuance is less than the then Current Market Value per
share of Common  Stock,  the number of shares of Common Stock  issuable upon the
exercise of each Warrant  Certificate  shall be increased to a number determined
by multiplying  the number of shares of Common Stock  theretofore  issuable upon
exercise of each Warrant Certificate by a fraction, the numerator of which shall
be the number of shares of Common Stock  outstanding  on the date of issuance of
such rights, options, warrant or securities plus the number of additional shares
of Common Stock offered for  subscription  or purchase or into or for which such
securities that are issued are convertible, exchangeable or exercisable, and the
denominator  of which shall be the number of shares of Common Stock  outstanding
on the date of issuance of such rights, option,  warrants or securities plus the
total  number  of  shares of Common  Stock  which  the  aggregate  consideration
expected to be received by the Company  (assuming  the exercise or conversion of
all such rights,  options,  warrants or  securities)  would purchase at the then
Current  Market  Value  per  share of  Common  Stock.  In the  event of any such
adjustment,  the  Exercise  Price shall be adjusted  to a number  determined  by
dividing the Exercise  price  immediately  prior to such date of issuance by the
aforementioned fraction. Such adjustment shall be immediately after such rights,
options or warrants are issued and shall become  effective,  retroactive  to the
record date for the  determination  of  stockholders  entitled  to receive  such
rights, options, warrants or securities. No adjustment shall be made pursuant to
this Section 4(c) which shall have the effect of decreasing the number of shares
of Common Stock  purchasable  upon  exercise or each Warrant  Certificate  or of
increasing the Exercise Price.

                  (d)  Combination:  Liquidation.  (i)  Except  as  provided  in
Section  4(d)(ii) below, in the event of a Combination (as defined below),  each
Holder shall have the right to receive upon exercise of the Warrant Certificates
the kind and amount of shares of capital  stock or other  securities or property
which such Holder  would have been  entitled  to receive  upon or as a result of
such Combination had such Warrant  Certificate been exercised  immediately prior
to such  event  (subject  to further  adjustment  in  accordance  with the terms
hereof). Unless paragraph (ii) is applicable to a Combination, the Company shall
provide that the surviving or acquiring Person (the "Successor Company") in such
Combination will assume by written instrument the obligations under this Section
4 and the obligations to deliver to the Holder such shares of stock,  securities
or assets as, in  accordance  with the foregoing  provisions,  the Holder may be
entitled to acquire.  The  provisions of this Section  4(d)(i)  shall  similarly
apply to successive Combinations involving any Successor Company.  "Combination"
means an event in which the Company  consolidates with, mergers with or into, or
sells all or substantially  all of its assets to another Person,  where "Person"
means any individual, corporation, partnership, joint venture, limited liability
company,  association,  joint-stock company, trust, unincorporated organization,
government or any agency or political subdivision thereof or any other entity.

                  (ii) In the event of (x) a Combination where  consideration to
the holders of Common Stock in exchange  for their  shares is payable  solely in
cash or (y) the  dissolution,  liquidation  or  winding-up  of the Company,  the
Holders  shall  be  entitled  to  receive,   upon  surrender  of  their  Warrant
Certificates,  distributions  on an equal basis with the holders of Common Stock
or other securities  issuable upon exercise of the Warrant  Certificates,  as if
the Warrant  Certificates  had been exercised  immediately  prior to such event,
less the Exercise Price.  In case of any  Combination  described in this Section
4(d)(ii),   the  surviving  or  acquiring  Person  and,  in  the  event  of  any
dissolution,  liquidation  or  winding-up  of the Company,  the  Company,  shall
deposit  promptly with an agent or trustee for the benefit of the Holders of the
funds,  if any,  necessary  to pay to the  Holders the amounts to which they are
entitled  as  described  above.  After  such funds and the  surrendered  Warrant
Certificates  are  received,  the Company is required to deliver a check in such
amount as is appropriate (or, in the case or consideration other than cash, such
other  consideration  as is  appropriate) to such Person or Persons as it may be
directed in writing by the Holders surrendering such Warrant Certificates.

                  (e) Notice of  Adjustment.  Whenever the Exercise Price or the
number of shares of Common  Stock  and other  property,  if any,  issuable  upon
exercise  of the Warrant  Certificates  is  adjusted,  as herein  provided,  the
Company shall deliver to the holders of the Warrant  Certificates  in accordance
with Section 10 a certificate of the Company's Chief  Financial  Officer setting
forth, in reasonable  detail,  the event requiring the adjustment and the method
by which such adjustment was calculated (including a description of the basis on
which (i) the Board of Directors  determined  the fair value of any evidences of
indebtedness,  other  securities  or  property  or  warrants,  options  or other
subscription  or purchase rights and (ii) the Current Market Value of the common
Stock was  determined,  if either of such  determinations  were  required),  and
specifying the Exercise Price and number of shares of Common Stock issuable upon
exercise of Warrant Certificates after giving effect to such adjustment.

                  (f)  Notice of  Certain  Transactions.  In the event  that the
Company shall propose (a) to pay any dividend payable in securities of any class
to the  holders of its Common  Stock or to make any other  non-cash  dividend or
distribution to the holders of its Common Stock, (b) to offer the holders of its
Common Stock rights to subscribe for or to purchase any  securities  convertible
into  shares  of  Common  Stock or  shares  of stock of any  class or any  other
securities,  rights  or  options,  (c) to  effect  any  capital  reorganization,
reclassification,  consolidation  or merger affecting the class of Common Stock,
as a  whole,  or  (d)  to  effect  the  voluntary  or  involuntary  dissolution,
liquidation  or winding-up of the Company,  the Company  shall,  within the time
limits specified below,  send to each Holder a notice of such proposed action or
offer.  Such notice  shall be mailed to the Holders at their  addresses  as they
appear in the Warrant Register (as defined in Section 2(d)), which shall specify
the record date for the purposes of such dividend,  distribution  or rights,  or
the date such  issuance or event is to take place and the date of  participation
therein by the  holders of Common  Stock,  if any such date is to be fixed,  and
shall briefly  indicate the effect of such action on the Common Stock and on the
number and kind of any other shares of stock and on other property,  if any, and
the number of shares of Common Stock and other property,  if any,  issuable upon
exercise of each Warrant  Certificate and the Exercise Price after giving effect
to any  adjustment  pursuant  to Section 4 which will be required as a result of
such  action.  Such notice shall be given as promptly as possible and (x) in the
case of any action covered by clause (a) or (b) above, at least 10 days prior to
the record date for determining holders of the Common Stock for purposes of such
action or (y) in the case of any other  such  action,  at least 20 days prior to
the date of the  taking of such  proposed  action  or the date of  participation
therein by the holders of Common Stock, whichever shall be the earlier.

                  (g) Current Market Value.  "Current Market Value" per share of
Common Stock or any other  security at any date means (i) if the security is not
registered under the Securities  Exchange Act of 1934, as amended (the "Exchange
Act"),  (a) the value of the security,  determined in good faith by the Board of
Directors of the Company and certified in a board resolution,  based on the most
recently  completed  arm's-length  transaction  between the Company and a Person
other than an  affiliate  of the Company or between any two such Persons and the
closing of which occurs on such date or shall have occurred within the six-month
period  preceding such date, or (b) if no such  transaction  shall have occurred
within the  six-month  period,  the value of the  security as  determined  by an
independent  financial  expert or (ii) if the security is  registered  under the
Exchange Act, the average of the daily closing bid prices (or the  equivalent in
an over-the-counter market) for each day on which the Common Stock is traded for
any period on the principal  securities  exchange or other securities  market on
which the common Stock is being traded (each, a "Trading Day") during the period
commencing ten (10) Trading Days before such date and ending on the date one day
prior to such date,  or if the security has been  registered  under the Exchange
Act for less than ten (10)  consecutive  Trading  Days  before  such  date,  the
average of the daily  closing  bid prices  (or such  equivalent)  for all of the
Trading Days before such date for which daily closing bid prices are  available;
provided,  however,  that if the  closing bid price is not  determinable  for at
least five (5) Trading Days in such period,  the "Current  Market  Value" of the
security  shall be determined as if the security were not  registered  under the
Exchange Act.

                  (h) Other  Adjustments.  If the event of any other transaction
of the type  contemplated  by this Section 4, but not expressly  provided for by
the  provisions  hereof,  the  Board  of  Directors  of the  Company  will  make
appropriate  adjustment  in the Exercise  Price so as to  equitably  protect the
rights of the Holder.

                  (i) No Impairment of Holder's Rights. The Company will not, by
amendment  of  its  certificate  of  incorporation  or  bylaws  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  Certificate,  but
will at all times in good faith assist in the carrying out of all such terms and
in the  taking of all  action as may be  necessary  or  appropriate  in order to
protect the rights of the Holder against dilution or other impairment.

         5. Company's Representations.

                  (a) The Company covenants and agrees that all shares of Common
Stock issuable upon exercise of this Warrant Certificate will, upon delivery, be
duly and validly  authorized and issued,  fully-paid and non-assessable and free
from all taxes, liens, claims and encumbrances.

                  (b) The Company covenants and agrees that it will at all times
reserve and keep  available an  authorized  number of shares of its Common Stock
and other applicable securities sufficient to permit the exercise in full of all
outstanding options, warrants and rights, including this Warrant Certificate.

                  (c) The  Company  shall  promptly  secure  the  listing of the
Shares upon each national  securities exchange or automated quotation system, if
any, upon which shares of Common Stock are then listed or become listed (subject
to official  notice of issuance upon exercise of this Warrant  Certificate)  and
shall maintain,  so long as any other shares of Common Stock shall be so listed,
such listing of all shares of Common Stock from time to time  issuable  upon the
exercise of this  Warrant  Certificate;  and the  Company  shall so list on each
national  securities exchange or automated quotation system, as the case may be,
and shall  maintain  such listing of, any other  shares of capital  stock of the
company issuable upon the exercise of this Warrant Certificate if and so long as
any  shares  of the same  class  shall be  listed  on such  national  securities
exchange or automated quotation system.

                  (d) The Company has taken all necessary action and proceedings
as required and permitted by applicable  law,  rule and  regulation,  including,
without limitation, the notification of the principal market on which the Common
Stock is traded, for the legal and valid issuance of this Warrant Certificate to
the Holder under this Warrant Certificate.

                  (e) The Warrant  Shares,  when issued in  accordance  with the
terms hereof, will be duly authorized and, when paid for or issued in accordance
with the terms hereof,  shall be validly issued,  fully paid and non-assessable.
The Company has  authorized  and  reserved  for  issuance to Warrant  Holder the
requisite  number  of  shares of  Common  Stock to be  issued  pursuant  to this
Warrant.

                  (f) With a view to making  available to Holder the benefits of
Rule 144  promulgated  under the Act and any  other  rule or  regulation  of the
Securities and Exchange Commission ("SEC") that may at any time permit Holder to
sell securities of the Company to the public without  registration,  the Company
agrees to use its reasonable best efforts to:

          (i) make and keep  public  information  available,  as those terms are
     understood and defined in Rule 144, at all times;

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

          (iii) furnish to any Holder forthwith upon request a written statement
     by the Company that it has complied with the reporting requirements of Rule
     144 and of the Act and the Exchange  Act, a copy of the most recent  annual
     or quarterly report of the Company, and such other reports and documents so
     filed by the  Company  as may be  reasonably  requested  to permit any such
     Holder to take  advantage of any rule or regulation  of the SEC  permitting
     the selling of any such securities without registration.

         6. Registration  Rights.  The Holder is entitled to the benefit of such
registration  rights  in  respect  of  the  Shares  as  are  set  forth  in  the
Registration Rights Agreement dated as of September 25, 1997, as amended, by and
between the Company and the Holder.

         7. Fractional Shares:  Legends. (a) In lieu of issuance of a fractional
share upon any exercise  hereunder,  the Company will pay the cash value of that
fractional  share,  calculated on the basis of the Exercise Price.  (b) Prior to
registration of the shares of Common Stock underlying this Warrant  Certificate,
all such  certificates  shall bear a  restrictive  legend to the effect that the
Shares  represented by such  certificate have not been registered under the 1933
Act, and that the Shares may not be sold or  transferred  in the absence of such
registration or an exemption  therefrom,  such legend to be substantially in the
form of the  bold-face  language  appearing at the top of Page 1 of this Warrant
Certificate.

         8.  Disposition  of  Warrants  or Shares.  The  Holder of this  Warrant
Certificate, each transferee hereof and any holder and transferee of any Shares,
by his or its acceptance thereof, agrees that no public distribution of Warrants
or  Shares  will  be  made in  violation  of the  provisions  of the  1933  Act.
Furthermore,  it shall be a condition to the  transfer of the Warrants  that any
transferee thereof deliver to the Company his or its written agreement to accept
and be  bound by all of the  terms  and  conditions  contained  in this  Warrant
Certificate.

         9. Merger or  Consolidation.  The Company will not merge or consolidate
with or into any other corporation,  or sell or otherwise transfer its property,
assets and business substantially as an entirety to another corporation,  unless
the  corporation  resulting  from  such  merger  or  consolidation  (if  not the
Company),  or such transferee  corporation,  as the case may be, shall expressly
assume, by supplemental agreement reasonably  satisfactory in form and substance
to the Holder, the due and punctual performance and observance of each and every
covenant and condition of this Warrant  Certificate to be performed and observed
by the Company.

         10. Notices.  Except as otherwise specified herein to the contrary, all
notices,  requests,  demands and other communications  required or desired to be
given  hereunder  shall only be  effective  if given in writing by  certified or
registered  U.S.  mail with return  receipt  requested and postage  prepaid;  by
private  overnight  delivery  service  (e.g.  Federal  Express);   by  facsimile
transmission  (if no  original  documents  or  instruments  must  accompany  the
notice);  or by personal delivery.  Any such notice shall be deemed to have been
given (a) on the business day  immediately  following  the mailing  thereof,  if
mailed by certified or  registered  U.S.  mail as  specified  above;  (b) on the
business day immediately  following  deposit with a private  overnight  delivery
service  if  sent  by  said  service;   (c)  upon  receipt  of  confirmation  of
transmission if sent by facsimile transmission; or (d) upon personal delivery of
the notice.  All such notices  shall be sent to the  following  addresses (or to
such other  address or  addresses  as a party may have  advised the other in the
manner provided in this Section 9):


                  If to the Company:

                  Miravant Medical Technologies
                  7408 Hollister Avenue
                  Santa Barbara, CA 93117
                  Attention: Gary S. Kledzik, Chief Executive Officer
                  Fax: (805) 685-2959
                  Tel:  (805) 685-9880

                  If to the Holder:

                  [HOLDER]
                  [ADDRESS]
                  Attention:
                  Facsimile:

                  with a copy to:

                  [COUNSEL]
                  [ADDRESS]
                  Attention:
                  Facsimile:

                  With a copy to:

                  Shoreline Pacific Institutional Finance
                  3 Harbor Drive, Suite 211
                  Sausalito, CA  94965
                  Attention:  General Counsel
                  Fax:  (415) 332-7808
                  Tel:  (415) 332-7800

Notwithstanding  the time of effectiveness of notices set forth in this Section,
an Election to Purchase shall not be deemed  effectively given until it has been
duly completed and submitted to the Company  together with the original  Warrant
Certificate  to be exercised  and payment of the Exercise  Price in a manner set
forth in this Section.

          11. Governing Law:Jurisdiction.This Agreement shall be governed by and
construed in accordance with the Delaware General Corporation Law (in respect of
matters of corporation  law) and the laws of the State of California (in respect
of all other  matters)  applicable to contracts  made and to be performed in the
State of California.  The parties hereto irrevocably consent to the jurisdiction
of the United States  federal  courts and state courts  located in the County of
New  Castle  in the  State of  Delaware  in any suit or  proceeding  based on or
arising  under  this  Agreement  or the  transactions  contemplated  hereby  and
irrevocably  agree that all claims in respect of such suit or proceeding  may be
determined in such courts. The Company and each Purchaser irrevocably waives the
defense of an  inconvenient  forum to the maintenance of such suit or proceeding
in such forum.  The Company and each  Purchaser  further  agrees that service of
process upon the Company or such Purchaser,  as applicable,  mailed by the first
class  mail in  accordance  with  Section  10 shall be deemed  in every  respect
effective  service of process upon the Company or such  Purchaser in any suit or
proceeding arising  hereunder.  Nothing herein shall affect Purchaser's right to
serve  process in any other manner  permitted  by law. The parties  hereto agree
that a final  non-appealable  judgment in any such suit or  proceeding  shall be
conclusive and may be enforced in other  jurisdictions  by suit on such judgment
or in any other lawful manner. The parties hereto irrevocably waive the right to
trial by jury under applicable law.

         12. Successors and Assigns.  This Warrant  Certificate shall be binding
upon and shall inure to the benefit of the parties  hereto and their  respective
successors and assigns.

         13.  Headings.  The  headings  of  various  sections  of  this  Warrant
Certificate  have been  inserted  for  reference  only and shall not  affect the
meaning or construction of any of the provisions hereof.

         14. Severability.  If any provision of this Warrant Certificate is held
to be unenforceable  under applicable law, such provision shall be excluded from
this Warrant Certificate, and the balance hereof shall be interpreted as if such
provision were so excluded.

         15. Modification and Waiver. This Warrant Certificate and any provision
hereof may be amended, waived, discharged or terminated only by an instrument in
writing signed by the Company and the Holder.

         16.  Limitation on Exercise.  Notwithstanding  anything to the contrary
contained herein, this Warrant Certificate may not be exercised by the Holder to
the extent that, after giving effect to Certificate Shares to be issued pursuant
to an Election to  Purchase,  the total  number of shares of Common Stock deemed
beneficially  owned by such Holder  (other than by virtue of  ownership  of this
Warrant  Certificate,  or ownership of other securities that have actions on the
Holder's  rights to convert or  exercise  similar to the  limitations  set forth
herein),  together with all shares of Common Stock deemed  beneficially owned by
the  Holder's  "affiliates"  (as  defined  in Rule 144 of the Act) that would be
aggregated  for purposes of  determining  whether a group under Section 13(d) of
the  Securities  Exchange  Act of 1934  exists,  would  exceed 4.9% of the total
issued and outstanding shares of the Common Stock;  provided that the Holder may
waive the limitation of this Section 16 (i) upon 61 days prior written notice or
(ii) immediately  upon a merger in which the Company does not survive,  the sale
of all  or  substantially  all  of the  Company's  assets,  the  failure  of the
Company's current stockholders to any longer hold more than 50% of the Company's
voting securities, or any similar change in control transaction. The delivery of
an Election to Purchase by the Holder shall be deemed a  representation  by such
Holder  that  it  is  in  compliance  with  this  paragraph.  The  term  "deemed
beneficially  owned" as used in this Warrant  Certificate  shall exclude  shares
that might otherwise be deemed  beneficially  owned by reason of the exercise of
this Warrant Certificate.

         17. Specific  Enforcement.  The Company and the Holder  acknowledge and
agree  that  irreparable  damage  would  occur  in  the  event  that  any of the
provisions of this Warrant  Certificate  were not  performed in accordance  with
their specific terms or were otherwise  breached.  It is accordingly agreed that
the parties shall be entitled to an injunction or injunctions to prevent or cure
breaches  of  the  provisions  of  this  Warrant   Certificate  and  to  enforce
specifically  the terms and  provisions  hereof,  this being in  addition to any
other remedy to which either of them may be entitled by law or equity.

         18.  Assignment.   This  Warrant  Certificate  may  be  transferred  or
assigned,  in whole or in  part,  at any time and from  time to time by the then
Holder by submitting  this Warrant to the Company  together with a duly executed
Assignment  in  substantially  the form and  substance of the Form of Assignment
which  accompanies  this Warrant  Certificate  and, upon the  Company's  receipt
hereof, and in any event, within three (3) business days thereafter, the Company
shall issue a Warrant Certificate to the Holder to evidence that portion of this
Warrant Certificate, if any as shall not have been so transferred or assigned.

         IN WITNESS WHEREOF,  the Company has caused this Warrant Certificate to
be duly  executed,  manually or by facsimile,  by one of its officers  thereunto
duly authorized.
                                            MIRAVANT MEDICAL TECHNOLOGIES

Date:_________________                      By:_________________________________
                                            Gary S. Kledzik
                                            Chief Executive Officer


<PAGE>


Common Stock Purchase Warrant Certificate


                              ELECTION TO PURCHASE

                          To Be Executed by the Holder
                      in Order to Exercise the Common Stock
                          Purchase Warrant Certificate

         The  undersigned  Holder  hereby  elects  to  exercise  _______  of the
Warrants  represented by the attached Common Stock Purchase Warrant Certificate,
and to purchase  the shares of Common Stock  issuable  upon the exercise of such
Warrants,  and requests that  certificates  for securities be issued in the name
of:

                  ----------------------------------------------------------
                     (Please type or print name and address)
                  ==========================================================
                  ----------------------------------------------------------
                 (Social Security or Tax Identification Number)
and delivered to:______________________________________________________________
_____________________________________________________________________________ .
                 (Please type or print name and address if different from above)

If such number of Warrants being exercised  hereby shall not be all the Warrants
evidenced  by the attached  Common Stock  Purchase  Warrant  Certificate,  a new
Common Stock Purchase Warrant Certificate for the balance of such Warrants shall
be  registered  in the name of, and  delivered to, the Holder at the address 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 check,  money order or wire  transfer  payable in United  States
currency to the order of Miravant  Medical  Technologies.]  or [The  undersigned
elects  cashless  exercise in  accordance  with Section 1(b) of the Common Stock
Purchase Warrant Certificate.]

                                     HOLDER:



Dated:___________________           By:_____________________________________
                                    Name:
                                    Title:
                                    Address:




<PAGE>


                               FORM OF ASSIGNMENT
                   (To be signed only on transfer of Warrant)



For value received,  the undersigned hereby sells,  assigns,  and transfers unto
_____________  the right  represented by the within  Warrant to purchase  ______
shares of Common Stock of Miravant Medical Technologies, a Delaware corporation,
to which the within Warrant relates, and appoints  ____________________ Attorney
to transfer such right on the books of Miravant Medical Technologies, a Delaware
Corporation, with full power of substitution of premises.




Dated:                                  By:
                                        Name:
                                        Title:
                                       (signature must conform to name of holder
                                        as specified on the fact Warrant)       



                                        Address:




Signed in the presence of :





                                                           
                               AMENDMENT AGREEMENT


                  This AMENDMENT  AGREEMENT  ("Agreement") is entered into as of
June  30,  1998  by  and  between  MIRAVANT  MEDICAL  TECHNOLOGIES,  a  Delaware
corporation (the "Company"), with headquarters located at 7408 Hollister Avenue,
Santa Barbara,  California 93107 and the persons ("Purchasers") set forth on the
execution pages hereof, with regard to the following:
                                    RECITALS
A. On September 25, 1997,  the  Purchasers  purchased from the Company shares of
common  stock of the  Company  ("Common  Shares")  and Stock  Purchase  Warrants
("Warrants") pursuant to a Securities Purchase Agreement ("Purchase  Agreement")
entered into as of September 22, 1997. B. As part of the foregoing  transaction,
the Company and the  Purchasers  entered into a  Registration  Rights  Agreement
("Registration  Agreement") and Lock-Up Agreements  ("Lock-Up  Agreements") each
dated as of September 22, 1997. (The Purchase Agreement, Warrants,  Registration
Agreement and Lock-Up Agreements are sometimes  collectively  referred to as the
"Transaction  Documents." Terms used in this Agreement and not otherwise defined
herein  shall  have  the  meaning  provided  for such  terms in the  Transaction
Documents.) C. The parties hereto desire to amend and supplement the Transaction
Documents in the manner hereinafter set forth.
                                   AGREEMENTS
                  NOW, THEREFORE,  in consideration of their respective promises
contained  herein and other good and  valuable  consideration,  the  receipt and
sufficiency  of which are hereby  acknowledged,  the Company and the  Purchasers
hereby agree as follows:  1. Section 5.3 (Additional  Shares or Cash Payment) of
the Purchase  Agreement is hereby  deleted in its entirety and in place  thereof
the following is hereby added:
                  "5.3  Additional  Shares  or  Cash  Payment.  If on a  Monthly
                  Anniversary Date (as hereinafter  defined) the thirty calendar
                  day  average  closing  bid  price  (the  "Monthly  Anniversary
                  Price") of the Common Stock (as reported by  Bloomberg,  L.P.)
                  for the period ending on the trading day prior to such Monthly
                  Anniversary  Date (the "Monthly  Pricing Period") is less than
                  $50 (the  "Closing  Price"),  then the Company  shall,  at the
                  Company's sole option (except as provided below), either or in
                  combination:

(a)               Pay to each  Purchaser,  within 3  business  days  after  such
                  Monthly  Anniversary  Date, in cash,  an amount  determined in
                  accordance with the following formula:

                           P = (C - A) * S

                           where:

                           P  =  the  aggregate  payment  to  be  made  to  such
                           Purchaser, expressed in dollars;

                           C = the Closing Price;

                           A = the Monthly Anniversary Price; and

                           S = one-eighth (1/8th) of the aggregate number of the
                           Common Shares purchased by the Purchaser and not sold
                           or  assigned  (other  than  to an  affiliate  of  the
                           Purchaser)  in  accordance  with  Section  1.2 of the
                           Lock-Up  Agreement during the period from the date of
                           the Closing through the Initial  Monthly  Anniversary
                           Date; or

(a)               Issue,  within 3 business days after such Monthly  Anniversary
                  Date,  to each  Purchaser  a number  of  additional  shares of
                  Common  Stock  equal  to  (i)  the  dollar  amount  calculated
                  pursuant  to Section  5.3(a)  with  respect to such  Purchaser
                  divided by (ii) the Monthly Anniversary Price.

                  The  foregoing  P, C, A and S shall be  equitably  adjusted to
                  reflect  the  effect of any  stock  dividends,  stock  splits,
                  reverse stock splits,  discounted  equity offerings or actions
                  similar to any of the foregoing.

                  The  quantity  S shall not be  reduced by virtue of any Common
                  Shares  released  from the  Lock-Up  Agreement  by  virtue  of
                  Section  1.5  thereof,  but  will be  reduced  if,  prior to a
                  Monthly  Anniversary  Date (the "Subject  Monthly  Anniversary
                  Date"),  Common Shares that have been purchased by a Purchaser
                  have been sold or assigned (other than to an affiliate of such
                  Purchaser)  in  accordance  with  Section  1.2 of the  Lock-Up
                  Agreement  during  the  period  from  the date  following  the
                  preceding Monthly Anniversary Date through the Subject Monthly
                  Anniversary Date (or, if the Subject Monthly  Anniversary Date
                  is  the  Initial  Monthly  Anniversary  Date,  during  Monthly
                  Pricing  Period  relating to the Initial  Monthly  Anniversary
                  Date),   by  reducing   the   quantity  S  (for   purposes  of
                  calculations  in respect of the  Subject  Monthly  Anniversary
                  Date  only)  by the  number  of  Common  Shares  so sold  (the
                  "Disposed  Shares")  as  contemplated  by this  sentence.  For
                  example,  if S is 50,000 and  between  the  preceding  Monthly
                  Anniversary   Date  and  the  Subject   Anniversary  Date  the
                  Purchaser Sold 5,000 Common Shares  pursuant to Section 1.2 of
                  the Lock-Up Agreement, then S will be reduced for that Subject
                  Monthly Anniversary Date only by 5,000 to 45,000, representing
                  50,000 less 5,000. If the number of Disposed Shares is greater
                  than the  quantity S, then the  quantity S shall be reduced to
                  zero for that Subject Monthly Anniversary Date, and the amount
                  by which the Disposed  Shares  exceeds the quantity S shall be
                  applied  to  reduce  the   quantity  S  for  the   immediately
                  succeeding Monthly Anniversary Date only.

                  The term  Monthly  Anniversary  Date shall mean August 1, 1998
                  (the "Initial  Monthly  Anniversary  Date"),  and each monthly
                  anniversary  thereof  ending  on the  same  day  of  the  next
                  succeeding  month,  through and  including  March 1, 1999 (the
                  "Final  Monthly  Anniversary  Date") (for a total of 8 Monthly
                  Anniversary Dates in the aggregate).

                  In the event, as to any Monthly  Anniversary Date, the Monthly
                  Anniversary  Price is less  than  $25,  then not less than the
                  amount  determined  in accordance  with the following  formula
                  shall be paid to each  Purchaser in cash: P (cash) = ($25 - A)
                  x S.

                  If the Company intends to satisfy its  obligations  under this
                  Section 5.3 through the  issuance of  additional  Common Stock
                  pursuant to Section  5.3(b),  the following  conditions  shall
                  apply: (u) the issuance of Common Stock will only be permitted
                  to the  extent  that  such  issuance  will not  result  in any
                  Purchaser, or any group which such entity will be deemed under
                  the  Securities Act to be a part of, solely as a result of the
                  issuance of such additional  shares, the Common Shares and the
                  Warrant  Shares,  having  beneficial  ownership (as defined in
                  Section 13(d) of the Securities  Act) of more than 9.9% of the
                  Common Stock; (w) Common Stock shall be listed on NASDAQ, NYSE
                  or AMEX;  (x) the Company  shall  issue only freely  tradable,
                  registered and unlegended  Common Stock;  (y) the Company must
                  provide  each  Purchaser on or before the  applicable  Monthly
                  Anniversary  Date notice (in the form of Exhibit A annexed) of
                  its  election to so issue  Common  Stock;  and (z) the Company
                  must  satisfy its  obligations  under  Section 5.3 through the
                  issuance  of  Common  Stock  to  each  of the  Purchasers  who
                  continue to hold Common  Shares.  Notwithstanding  anything in
                  this Section 5.3 to the  contrary,  no holder of any shares of
                  Common  Stock  other  than the  initial  Purchasers  signatory
                  hereto and any  permitted  assignee  who  receives  restricted
                  securities  pursuant  to  Section  8.7  shall be  entitled  to
                  payments or additional shares of Common Stock from the Company
                  pursuant  to  this  Section  5.3.  The  Company  will  have no
                  obligations  under  this  Section  5.3  with  respect  to  the
                  Warrants or the Warrant Shares."

1.  Section 4.12 (Cash  Maintenance  Requirement)  of the Purchase  Agreement is
hereby amended by deleting the words "through the first  anniversary of the date
of the  Closing",  and in place thereof  inserting the words  "through the Final
Monthly  Anniversary  Date".  2. Each of the  Warrants  are  hereby  amended  as
follows:  (a) The Exercise Price is hereby  established to be $35 per Share,  in
place of the per Share Exercise Price  currently set forth in the Warrants.  (b)
The Company  shall be entitled to redeem the  Warrants  (but not the  Additional
Warrants,  as  hereinafter  defined) for the price of one cent in the event that
the closing bid price of the Common  Stock for the 20  consecutive  trading days
immediately preceding a particular date (the "Calculation Date") is greater than
$60 per Share; provided,  however, that the Company shall have such right if and
only if at all times  during  such 20  trading  day  period the Shares of Common
Stock were listed on NASDAQ National Market,  the New York Stock Exchange or the
American  Stock  Exchange and at all times during such period of time the Shares
issuable upon exercise of the Warrants were registered for resale pursuant to an
effective  registration  statement,  were included in a current and  deliverable
prospectus,  and were listed for trading on each principal exchange or market on
which the shares of Common Stock of the Company were then traded. If the Company
wishes  to redeem  Warrants,  it shall  within  three  (3)  trading  days of the
Calculation  Date (the "Notice  Date") give each Purchaser  written  irrevocable
notice of its intent to redeem the Warrants or else be prohibited from redeeming
Warrants in connection  with such  Calculation  Date. That  irrevocable  written
notice shall specify the number of Warrants to be redeemed (i.e.,  the number of
Warrant  Shares that will cease to be issuable  pursuant to the  Warrants);  the
Warrants shall be exercisable through and including the date set for redemption,
which  shall be five (5)  trading  days after the Notice  Date.  If the  Company
chooses  to submit a notice  to redeem  Warrants  covering  a greater  number of
Warrant  Shares than the  proportionate  number of Warrant Shares that have been
removed  from the transfer  restrictions  pursuant to Section 1.5 of the Lock-Up
Agreement,  the number of Warrant Shares removed from the transfer  restrictions
pursuant  to such  Section 1.5 will  automatically  be  increased  to the higher
number of Warrant  Shares  specified in such notice.  (c) Upon execution of this
Agreement,  the Company  shall provide to each  Purchaser,  in exchange for such
Purchaser's  existing  Warrants,  new  Warrants  of like  tenor  (in the form of
Exhibit B annexed),  containing  the changes and  additions  referred to in this
paragraph.* 3. The Lock-Up  Agreement is hereby amended as follows:  (a) Section
1.1 (Restriction on  Dispositions) is hereby amended by adding,  after the words
"except as provided in Section  1.2",  the  following:  "or  Section  1.5".  (b)
Section 1.2 (Permitted Dispositions) is hereby amended by changing the reference
to  "$70.00"  to read  "$55.00".  (c)  Section  1.3 (Term) is hereby  amended by
deleting  clause (a) thereof and replacing said clause with the following:  "(a)
the Final Monthly Anniversary Date or". (d) Section 1.4 (Option to Terminate) is
hereby amended by adding a new subsection (g) thereto, as follows:
                                    "(g) The  Company  shall fail to comply with
                           its obligations under (i) Section 5.3 of the Purchase
                           Agreement; or (ii) Section 1.5 of this Agreement."

(a)                        A  new  Section 1.5  is  hereby  added to the Lock-Up
                           Agreement, as  follows: "1.5  Phased  Termination  of
                           Restrictions.        The restrictions on Dispositions
                           set forth in this Agreement  shall  terminate on each
                           Monthly  Anniversary Date with respect to that number
                           of Common Shares (and a  corresponding  proportionate
                           number of Warrant Shares based on the total number of
                           Warrant  Shares issued and  issuable)  covered by the
                           payment and/or stock issuance  obligations of Section
                           5.3  of  the  Purchase   Agreement  at  such  Monthly
                           Anniversary  Date. The Company  agrees,  within three
                           business  days of  submission  of stock  certificates
                           evidencing  such shares,  to deliver to the Purchaser
                           submitting  such shares,  certificates  for shares of
                           Common Stock free of the Stock Legend.  Additionally,
                           restrictions   on   Dispositions    shall   terminate
                           automatically   for  the  number  of  Warrant  Shares
                           specified in any notice delivered pursuant to Section
                           3(b) of the Amendment Agreement (dated as of June 30,
                           1998  between the parties  thereto)  which exceed the
                           number of Warrant Shares otherwise released from such
                           restrictions under this Section 1.5."

(a) The Company  agrees to file,  and to cause to become  effective  by no later
than  the  Initial  Monthly  Anniversary  Date  an  amendment  to its  Form  S-3
Registration Statement, including in such Registration Statement, in addition to
the Registrable  Securities  already covered  therein,  (i) the shares of Common
Stock issuable pursuant to Section 5.3 of the Purchase Agreement as the same has
been amended hereby,  and (ii) other amendments to reflect the changes set forth
in this Agreement.  (b) In addition,  the Company shall promptly file, and shall
cause to become  effective by no later than  September  3, 1998, a  Registration
Statement  on  Form  S-3  or a  post-effective  amendment  to  the  Registration
Statement on Form S-3 covering the shares  issuable  pursuant to the  Additional
Warrants  (defined below) that may be issued pursuant to Section 6 below. All of
the  obligations of the Company set forth in the  Registration  Agreement  shall
apply,  mutatis mutandis,  to its obligation to register such Additional Warrant
Shares (defined below), and the Registration  Agreement is hereby deemed amended
in all  respects  to  include  such  Additional  Warrant  Shares as  Registrable
Securities thereunder. (c) Elliott Associates,  L.P. and Westgate International,
L.P.  (collectively,  "E/W") on the one hand and Stark  International,  Shepherd
Investments  International  and Staro  Partners  (collectively,  "S/S/S") on the
other  hand,  severally  and not  jointly,  agree to  comply  with  the  selling
limitations set forth in Section 6(b) and the Company agrees to issue to each of
E/W  and  S/S/S,  within  five  (5)  business  days of the  Selling  Limitations
Termination Date (as hereinafter  defined),  additional warrants (in the form of
Exhibit C annexed)  to  purchase  shares of Common  Stock of the  Company  (such
additional  warrants  being  referred to as the  "Additional  Warrants" and such
issuable  shares of Common Stock being  referred to as the  "Additional  Warrant
Shares"),  having the following terms: The Exercise Price (subject to adjustment
between the date hereof and the date of issuance of such Additional  Warrants in
a manner  consistent  with the provisions for  adjustments of the Exercise Price
set  forth  in the form of  Additional  Warrants)  shall  be $35 per  Additional
Warrant Share.  The number of Additional  Warrant Shares  (subject to adjustment
between the date hereof and the date of issuance of the Additional Warrants in a
manner  consistent with the adjustment of the Exercise Price during such period)
shall equal one Additional Warrant Share for every two Warrant Shares covered by
either an  unexercised  Warrant,  a Warrant that has been  redeemed or a Warrant
that has been  exercised  after a notice  of  redemption  of  Warrants  has been
delivered pursuant to Section 3(b) above. The Termination Date of the Additional
Warrants shall be December 25, 2001.  The form of the  Additional  Warrant shall
conform to the form of Warrants currently held by Purchasers,  mutatis mutandis,
and shall refer to the fact that the  Additional  Warrant Shares are entitled to
the benefit of registration  rights as set forth herein and in the  Registration
Rights  Agreement.  (d) E/W and S/S/S severally agree to restrict its respective
sales of Common  Shares and shares of Common  Stock  (collectively,  "Restricted
Shares"),  on any  trading  day prior to the  earlier  of (i) the Final  Monthly
Anniversary  Date or (ii)  the  occurrence  of any of the  events  set  forth in
Section 1.4 of the Lock-Up  Agreement giving E/W or S/S/S the right to terminate
such Lock-Up Agreement (the "Selling Limitations Termination Date"), to a number
equal to (as  applied  separately  to each of E/W and S/S/S) the greater of (the
"Selling  Limitations"):  (i) 10% of  that  trading  day's  trading  volume  (as
reported by  Bloomberg,  L.P.),  (ii) 10% of the  average of the three  previous
trading  days' trading  volume (as reported by Bloomberg,  L.P.) or (iii) 10,000
shares.  For the avoidance of doubt, the failure of S/S/S to satisfy the Selling
Limitations will not impair E/W's rights under Section 6, and vice versa. 2. The
provisions of Section 4.4 and Section 4.14 of the Purchase  Agreement are hereby
amended so that such sections continue to apply to the Company through the Final
Monthly Anniversary Date. 3. Effective upon the execution date of this Agreement
and until the Final Monthly  Anniversary Date, the Company shall have the right,
but not the  obligation,  to purchase for cash all or (on a pro-rata basis among
the  Purchasers)  a part of the  Common  Shares  held by the  Purchasers  at the
original $50 price thereof, and to terminate any contractual rights,  including,
but not limited to, all the rights under this  Agreement  and under the Purchase
Agreement,   that  the  Purchasers  have  with  respect  to  the  Common  Shares
repurchased by the Company.  The Company must deliver irrevocable written notice
of its  intention to so purchase  Common  Shares (which notice shall specify the
time and place of such  purchase,  the number of Common Shares being  purchased,
and the pro-rata  allocation  of the  purchase  among the  Purchasers  and shall
certify  that the  Company has set aside the full cash  purchase  price for such
Common  Shares) 15 business  days before,  and must  consummate  its purchase of
those  Common  Shares  no  earlier  than 12  business  days and no later  than 2
business days before, the commencement of a particular Monthly Pricing Period if
the Company  wishes to purchase  Common Shares  subject to that Monthly  Pricing
Period.   The  Purchaser  must  deliver  its   certificates  for  Common  Shares
repurchased  hereunder  against  delivery  of the cash  purchase  price for such
Common Shares within 3 business days of receiving notice of such repurchase.  To
the  extent  a  portion  of the  Common  Shares  have  been  disposed  of by the
Purchasers,  then  Company's  rights  will  apply  only  to  the  Common  Shares
remaining.  Without  limiting  the other  provisions  of this  Section 8, if the
Company completes the purchase of all but not less than all of the Common Shares
held by the Purchasers at the original $50 price thereof within 60 calendar days
from  the  date of  this  Agreement,  then  the  Company  will  have no  further
obligation to issue  Additional  Warrants,  and the Company's  obligations  with
respect to the Warrants will be unaffected by such  repurchase.  4. Section 4.10
of the Purchase  Agreement is amended by deleting  the second  sentence  thereof
only, and replacing it with the following sentence:

                           "Each   Purchaser   agrees   not  to,   directly   or
                           indirectly,  enter into any short sales with  respect
                           to the Common Shares prior to the Selling Limitations
                           Termination   Date,   as  defined  in  the  Amendment
                           Agreement by and between the parties  hereto dated as
                           of June 30, 1998."

1.  Except  as  set  forth  herein,  the  Transaction   Documents  shall  remain
unmodified,  and in full force and effect.  2. The  provisions  of Article  VIII
(Governing  Law;  Miscellaneous)  of the Purchase  Agreement shall apply to this
Agreement, mutatis mutandis, as if set forth herein in full.
3.


<PAGE>



1. IN WITNESS  WHEREOF,  the undersigned  Purchasers and the Company have caused
this Agreement to be duly executed as of the date first above written.
2.
MIRAVANT MEDICAL TECHNOLOGIES:


By:/S/
   ---------------------------------
        Name:
        Title:

PURCHASERS:

STARK INTERNATIONAL


By:/S/
   ---------------------------------
         Name:
         Managing Member, Staro Asset Management, LLC
         Investment Manager, Stark International
         DATE:


                        [signatures continued next page]


<PAGE>




SHEPHERD INVESTMENTS INTERNATIONAL


By:/S/
   ---------------------------------
         Name:
         Managing Member, Staro Asset Management, LLC
         Investment Manager, Shepherd Investments International, Ltd.
         DATE:


STARO PARTNERS


By:/S/
   ---------------------------------
         Name:
         Managing Member, Staro Asset Management, LLC
         Investment Manager, Staro Partners
         DATE:


ELLIOTT ASSOCIATES, L.P.


By:/S/
   ---------------------------------
         Paul E. Singer
         General Partner


WESTGATE INTERNATIONAL, L.P.


By:/S/
   ---------------------------------
         Paul E. Singer, President
         Martley International, Inc.
         Attorney-in-Fact, Westgate International, L.P.



<PAGE>


                                    EXHIBIT A

                         Notice of Common Stock Issuance


For the Monthly Anniversary Date of ________,  the Monthly Anniversary Price, as
defined  in  Section  5.3 of the  Amended  Purchase  Agreement,  is  __________.
Therefore, C - A ("Deficit"),  as defined in such Agreement,  equals __________.
For each applicable Common Share,  Miravant will pay ___________  dollars of the
Deficit in cash,  and  _________  dollars of the Deficit  (not to exceed $25) in
shares of Common Stock.

- --------
* Note  that  the  existing  Warrants  are  dated  September  25 and  the  other
Transaction  Documents  are dated  September  22. The existing  Warrants seem to
refer to the Registration  Rights Agreement as being dated September 25; in fact
the  Registration  Rights  Agreement  was dated  September  22.  This  should be
corrected in the new Warrants.



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