SEQUUS PHARMACEUTICALS INC
8-K, 1997-04-23
PHARMACEUTICAL PREPARATIONS
Previous: SEQUUS PHARMACEUTICALS INC, 8-A12G, 1997-04-23
Next: ONE PRICE CLOTHING STORES INC, 10-K, 1997-04-23



<PAGE>
 
                      SECURITIES AND EXCHANGE COMMISSION

                             WASHINGTON, DC  20549

                                  ___________

                                   FORM 8-K
                                CURRENT REPORT

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



Date of Report (Date of
Earliest Event Reported):  April 17, 1997


                         SEQUUS PHARMACEUTICALS, INC.
- --------------------------------------------------------------------------------
            (Exact name of registrant as specified in its charter)

             Delaware                                  94-3031834
- --------------------------------------------------------------------------------
(State of Incorporation or Organization)             (I.R.S. Employer
                                                    Identification no.)

960 Hamilton Court, Menlo Park, California                94025
- --------------------------------------------------------------------------------
(Address of principal executive offices)                (Zip Code)



Registrant's telephone no., including area code:  (415) 323-9011
                                                  --------------



                                   NOT APPLICABLE
- --------------------------------------------------------------------------------
         (Former name or former address, if changed since last report)
<PAGE>
 
Item 5.  OTHER EVENTS
         ------------

     Pursuant to a Rights Agreement dated April 17, 1997 (the "Rights
Agreement") between SEQUUS Pharmaceuticals, Inc. (the "Company") and ChaseMellon
Shareholder Services, L.L.C., as Rights Agent (the "Rights Agent") the Company's
Board of Directors has declared a dividend of one right ("Right") to purchase
one one-hundredth of a share of the Company's Series A Participating Preferred
Stock ("Series A Participating Preferred Stock") for each outstanding share of
Common Stock, $.0001 par value ("Common Stock") of the Company. The dividend is
payable on May 8, 1997 to stockholders of record as of the close of business on
April 28, 1997 (the "Record Date"). Each Right entitles the registered holder to
purchase from the Company one one-hundredth of a share of Series A Participating
Preferred Stock at an exercise price of $75.00 (the "Purchase Price"), subject
to adjustment.

     The following summary of the principal terms of the Rights Agreement is a
general description only and is subject to the detailed terms and conditions
of the Rights Agreement. A copy of the Certificate of Designation, Preferences
and Rights of Series A Participating Preferred Stock is attached as Exhibit
3.3 and a copy of the Rights Agreement is attached as Exhibit 4.1 to this
Registration Statement and each is incorporated herein by reference.

RIGHTS EVIDENCED BY COMMON STOCK CERTIFICATES
- ---------------------------------------------

     The Rights will not be exercisable until the Distribution Date (defined
below). Certificates for the Rights ("Rights Certificates") will not be sent to
stockholders and the Rights will attach to and trade only together with the
Common Stock. Accordingly, Common Stock certificates outstanding on the Record
Date will evidence the Rights related thereto, and Common Stock certificates
issued after the Record Date will contain a notation incorporating the Rights
Agreement by reference. Until the Distribution Date (or earlier redemption or
expiration of the Rights), the surrender or transfer of any certificates for
Common Stock, outstanding as of the Record Date, even without notation or a copy
of the Summary of Rights being attached thereto, will also constitute the
transfer of the Rights associated with the Common Stock represented by such
certificate.

DISTRIBUTION DATE
- -----------------

     The Rights will separate from the Common Stock, Rights Certificates will be
issued and the Rights will become exercisable upon the earlier of: (i) 10
business days following the first date of public announcement (the "Stock
Acquisition Date") that a person or group of affiliated or associated persons
has acquired, or obtained the right to acquire, beneficial ownership of 15% or
more of the outstanding Common Stock in a transaction not approved by the Board
of Directors (an "Acquiring Person"), or (ii) 10 business days following the
commencement of, or announcement of an intention to make, a tender offer or
exchange offer the consummation of which would result in the beneficial

                                      -2-
<PAGE>
 
ownership by a person or group of 15% or more of the outstanding common stock in
a transaction not approved by the Board of Directors.  the earlier of such dates
is referred to as the "Distribution Date."

ISSUANCE OF RIGHTS CERTIFICATES; EXPIRATION OF RIGHTS
- -----------------------------------------------------

     As soon as practicable following the Distribution Date, separate Rights
Certificates will be mailed to holders of record of the Common Stock as of the
close of business on the Distribution Date and such separate Rights Certificates
alone will evidence the Rights from and after the Distribution Date.  All Common
Stock issued prior to the Distribution Date will be issued with Rights.  Common
Stock issued after the Distribution Date may be issued with Rights if such
shares are issued (i) upon the conversion of any convertible securities issued
after adoption of the Rights Agreement, or (ii) pursuant to the exercise of
stock options or under employee benefit plans or arrangements unless such
issuance would result in (or create a risk that) such options, plans or
arrangements would not qualify for otherwise available special tax treatment.
Except as otherwise determined by the Board of Directors, no other Common Stock
issued after the Distribution Date will be issued with Rights. The Rights will
expire on the earliest of (i) April 17, 2007 (the "Final Expiration Date"), (ii)
redemption or exchange of the Rights as described below, or (iii) consummation
of an acquisition of the Company satisfying certain conditions by a person who
acquired stock pursuant to a transaction approved by the Board of Directors as
described below.

INITIAL EXERCISE OF THE RIGHTS
- ------------------------------

     Following the Distribution Date, and until one of the further events
described below, holders of the Rights will be entitled to receive, upon
exercise and the payment of $75.00 per Right, one one-hundredth of a share of
the Series A Participating Preferred Stock. In the event that the Company does
not have sufficient Series A Participating Preferred Stock available for all
Rights to be exercised, or the Board decides that such action is necessary and
not contrary to the interest of Rights holders, the Company may instead
substitute cash, assets or other securities for the Series A Participating
Preferred Stock for which the Rights would have been exercisable under this
provision or as described below.

RIGHT TO BUY COMPANY COMMON STOCK
- ---------------------------------

     Unless the Rights are earlier redeemed, in the event that an Acquiring
Person becomes the beneficial owner of 15% or more of the Company's Common Stock
then outstanding (other than pursuant to a transaction approved by the Board of
Directors), then proper provision will be made so that each holder of a Right
which has not theretofore been exercised (other than Rights beneficially owned
 

                                      -3-
<PAGE>
 
by the Acquiring Person, which will thereafter be void) will thereafter have the
right to receive, upon exercise, Common Stock (or, in certain circumstances as
determined by the Board of Directors, cash, other property or other securities)
having a value equal to two times the Purchase Price. Rights are not exercisable
following the occurrence of an event described above until such time as the
Rights are no longer redeemable by the Company as set forth below.

RIGHT TO BUY ACQUIRING COMPANY STOCK
- ------------------------------------

     Similarly, unless the Rights are earlier redeemed, in the event that, after
the Stock Acquisition Date, (i) the Company is acquired in a merger or other
business combination transaction, or (ii) 50% or more of the Company's assets or
earning power are sold (other than in transactions in the ordinary course of
business), proper provision must be made so that each holder of a Right which
has not theretofore been exercised (other than Rights beneficially owned by the
Acquiring Person, which will thereafter be void) will thereafter have the right
to receive, upon exercise, shares of common stock of the acquiring company
having a value equal to two times the Purchase Price.

BOARD APPROVAL
- --------------

     The Rights will not become exercisable if the tender offer or acquisition
of 15% or more of the Company's outstanding Common Stock has been approved by a
majority of the Board of Directors of the Company.

EXCHANGE PROVISION
- ------------------

     At any time after any Person becomes an Acquiring Person, the Board of
Directors of the Company may exchange the Rights (other than Rights owned by the
Acquiring Person), in whole or in part, at an exchange ratio of one share of
Common Stock per Right.

REDEMPTION
- ----------

     At anytime on or prior to the close of business on the earlier of (i) the
10th business day following the Stock Acquisition Date, or (ii) the Final
Expiration Date, the Company may redeem the Rights in whole, but not in part, at
a price of $0.01 per Right. Notwithstanding the foregoing, the Board of
Directors of the Company may not redeem the Rights within 90 days after the date
of election of any new directors to the Company's Board when new directors shall
comprise the majority of members thereof.

                                      -4-
<PAGE>
 
ADJUSTMENTS TO PREVENT DILUTION
- -------------------------------

     The Purchase Price payable, the number of Rights, and the number of shares
of Series A Participating Preferred Stock or Common Stock or other securities
issuable upon exercise of the Rights are subject to adjustment from time to time
in connection with dilutive issuances by the Company as set forth in the Rights
Agreement.

CASH PAID INSTEAD OF ISSUING FRACTIONAL SHARES
- ----------------------------------------------

     No fractional portion less than integral multiples of one share of Common
Stock will be issued upon exercise of a Right and in lieu thereof, an adjustment
in cash will be made based on the market price of the Common Stock on the last
trading date prior to the date of exercise.

NO STOCKHOLDERS' RIGHTS PRIOR TO EXERCISE
- -----------------------------------------

     Until a Right is exercised, the holder thereof, as such, will have no
rights as a stockholder of the Company (other than any rights resulting from
such holder's ownership of Common Stock), including, without limitation, the
right to vote or to receive dividends.

AMENDMENT OF RIGHTS AGREEMENT
- -----------------------------

     The provisions of the Rights Agreement may be supplemented or amended by
the Board of Directors in any manner prior to the close of business on the
Distribution Date without the approval of Rights holders. After the Distribution
Date, the provisions of the Rights Agreement may be amended by the Board in
order to cure any ambiguity, defect or inconsistency, to make changes which do
not adversely affect the interests of holders of Rights (excluding the interests
of any Acquiring Person), or to shorten or lengthen any time period under the
Rights Agreement; provided, however, that no amendment to adjust the time period
governing redemptions shall be made at such time as the Rights are not
redeemable.

RIGHTS AND PREFERENCES OF THE SERIES A PARTICIPATING PREFERRED STOCK
- --------------------------------------------------------------------

     Series A Participating Preferred Stock purchasable upon exercise of the
Rights will not be redeemable. Each share of Series A Participating Preferred
Stock will be entitled to an aggregate dividend of 100 times the dividend
declared per Common Stock. In the event of liquidation, the holders of the
Series A Participating Preferred Stock will receive an amount per share equal to
100 times the per share amount to be distributed to the holders of the Common
Stock. Each share of Series A Participating Preferred Stock will have 100 votes,
voting together with the Common Stock. In the event of any merger, 

                                      -5-
<PAGE>
 
consolidation or other transaction in which the Common Stock is changed or
exchanged, each share of Series A Participating Preferred Stock will be entitled
to receive 100 times the amount received per share of Common Stock. These rights
are protected by customary anti-dilution provisions.

     Because of the nature of the dividend, liquidation and voting rights of the
shares of Series A Participating Preferred Stock, the value of the one one-
hundredth interest in a share of Series A Participating Preferred Stock
purchasable upon exercise of each Right should approximate the value of one
share of Common Stock.

CERTAIN ANTI-TAKEOVER EFFECTS
- -----------------------------

     The Rights approved by the Board are designed to protect and maximize the
value of the outstanding equity interests in the Company in the event of a
coercive attempt by an acquiror to take over the Company, in a manner or on
terms not approved by the Board of Directors. Takeover attempts frequently
include coercive tactics to deprive the Company's Board of Directors and its
stockholders of any real opportunity to determine the destiny of the Company.
The Rights have been declared by the Board in order to deter such tactics,
including a gradual accumulation of shares in the open market of a 15% or
greater position to be followed by a merger or a partial or two-tier tender
offer that does not treat all stockholders equally. These tactics unfairly
pressure stockholders, squeeze them out of their investment without giving them
any real choice and deprive them of the full value of their stock.

     The Rights are not intended to prevent a takeover of the Company and will
not do so. The Rights may be redeemed by the Company at $0.01 per Right within
10 business days (or such later date as may be determined by a majority of the
Board of Directors) after the accumulation of 15% or more of the Company's stock
by a single acquiror or group. Accordingly, the Rights should not interfere with
any merger or business combination approved by the Board of Directors.

     Issuance of the Rights does not in any way weaken the financial strength of
the Company or interfere with its business plans. The issuance of the Rights
themselves has no dilutive effect, will not affect reported earnings per share,
should not be taxable to the Company or to its stockholders, and will not change
the way in which the Company's stock is presently traded. The Company's Board of
Directors believes that the Rights represent a sound and reasonable means of
addressing the complex issues of corporate policy created by corporate
takeovers.

     However, the Rights may have the effect of rendering more difficult or
discouraging an acquisition of the Company deemed coercive and undesirable by
the Board of Directors.  The Rights may cause substantial dilution to a person
or group that 

                                      -6-
<PAGE>
 
attempts to acquire the Company on terms or in a manner not approved by the
Company's Board of Directors, except pursuant to an offer conditioned upon the
negation, purchase or redemption of the Rights.

     A copy of the Rights Agreement, including the Certificate of Designation,
the form of Rights Certificate and the Summary of Rights attached thereto as
Exhibits A, B and C, respectively, is filed as an Exhibit to this Report and is
incorporated herein by reference. A copy of the Rights Agreement is available to
stockholders free of charge from the Company.

Item 7. EXHIBITS
        --------

 3.3      Certificate of Designation, Preferences and Rights of Series A
          Participating Preferred Stock of SEQUUS Pharmaceuticals, Inc. dated
          as of April 17, 1997 and filed with the Delaware Secretary of State
          on April 21,1997.

 4.1      Rights Agreement dated as of April 17, 1997, between SEQUUS
          Pharmaceuticals, Inc. and ChaseMellon Shareholder Services, L.L.C.
          including the Certificate of Designation, the form of Rights
          Certificate and the Summary of Rights attached thereto as Exhibits A,
          B and C, respectively.


                                 SIGNATURE
                                 ---------

     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.

                                     SEQUUS PHARMACEUTICALS, INC.



Date:  April 17, 1997                By:  /s/DONALD J. STEWART
                                        -------------------------------
                                     Donald J. Stewart
                                     Vice President for 
                                     Finance and Treasurer

                                      -7-
<PAGE>
 
Item 7.   EXHIBIT INDEX
          -------------
<TABLE> 
<CAPTION> 
Exhibit
  No.                               Exhibit
- -------                             -------
<C>       <S> 
 3.3      Certificate of Designation, Preferences and Rights of Series A
          Participating Preferred Stock of SEQUUS Pharmaceuticals, Inc. dated
          as of April 17, 1997 and filed with the Delaware Secretary of State
          on April 21,1997.

 4.1      Rights Agreement dated as of April 17, 1997, between SEQUUS
          Pharmaceuticals, Inc. and ChaseMellon Shareholder Services, L.L.C.
          including the Certificate of Designation, the form of Rights
          Certificate and the Summary of Rights attached thereto as Exhibits A,
          B and C, respectively.
</TABLE> 

                                      -8-

<PAGE>
 
                                                                     Exhibit 3.3
                                                                     -----------

             CERTIFICATE OF DESIGNATION, PREFERENCES AND RIGHTS OF
                    SERIES A PARTICIPATING PREFERRED STOCK

                                      OF

                         SEQUUS PHARMACEUTICALS, INC.

                        Pursuant to Section 151 of the
               General Corporation Law of the State of Delaware


     SEQUUS Pharmaceuticals, Inc., a corporation (the "Corporation") organized
and existing under the General Corporation Law of the State of Delaware (the
"DGCL"), in accordance with the provisions of Section 103 thereof, HEREBY
CERTIFIES:

     That pursuant to the authority conferred upon the Board of Directors by the
Certificate of Incorporation of the Corporation, the Board of Directors on April
17, 1997, adopted the following resolution creating a series of 450,000 shares
of Preferred Stock designated as Series A Participating Preferred Stock:

     RESOLVED, that pursuant to the authority vested in the Board of Directors
of the Corporation in accordance with the provisions of its Certificate of
Incorporation and Section 151 of the DGCL, a series of Preferred Stock of the
Corporation be and it hereby is created, and that the designation and amount
thereof and the voting powers, preferences and relative, participating, optional
and other special rights of the shares of such series, and the qualifications,
limitations or restrictions thereof are as follows:

          1.  Designation and Amount.  The shares of such series shall be
              ----------------------
designated as Series A Participating Preferred Stock par value $0.01 per share"
(the "Series A Participating Preferred Stock"), and the number of shares
constituting such series shall be 450,000.


          2.  Dividends and Distributions.
              ----------------------------

              (a)  Subject to the prior and superior rights of the holders of
any shares of any series of Preferred Stock ranking prior and superior to the
shares of Series A Participating Preferred Stock with respect to dividends, the
holders of shares of Series A Participating Preferred Stock in preference to the
holders of Common Stock and of any other junior stock, shall be entitled to
receive, when, as and if declared by the Board of Directors out of funds legally
available therefor, dividends payable quarterly on the first day of January,
April, July and October (each such date being referred to herein as a "Quarterly
Dividend Payment Date"), commencing on the first Quarterly Dividend Payment Date
after the first issuance of a share or fraction of a

                                      1
<PAGE>
 
share of Series A Participating Preferred Stock, in an amount per share (rounded
to the nearest cent) equal to the greater of (a) $100 or (b) subject to the
provision for adjustment hereinafter set forth, 100 times the aggregate per
share amount (payable in kind) of all non-cash dividends or other distributions
other than a dividend payable in shares of Common Stock or a subdivision of the
outstanding shares of Common Stock (by reclassification or otherwise), declared
on the Common Stock since the immediately preceding Quarterly Dividend Payment
Date, or, with respect to the first Quarterly Dividend Payment Date, since the
first issuance of any share or fraction of a share of Series A Participating
Preferred Stock. In the event the Corporation shall at any time after the record
date for the initial distribution of the Corporation's Preferred "Stock Purchase
Rights" pursuant to the Rights Agreement, dated as of April 17, 1997, between
the Corporation and ChaseMellon Shareholder Services, L.L.C., as Rights Agent
(the "Rights Declaration Date"), (i) declare any dividend on Common Stock
payable in shares of Common Stock, (ii) subdivide the outstanding Common Stock,
or (iii) combine the outstanding Common Stock into a smaller number of shares,
then in each such case the amount to which holders of shares of Series A
Participating Preferred Stock were entitled immediately prior to such event
under clause (b) of the preceding sentence shall be adjusted by multiplying such
amount by a fraction, the numerator of which is the number of shares of Common
Stock outstanding immediately after such event and the denominator of which is
the number of shares of Common Stock that were outstanding immediately prior to
such event.

              (b)  The Corporation shall declare a dividend or distribution on
the Series A Participating Preferred Stock as provided in paragraph (a) above
immediately after it declares a dividend or distribution on the Common Stock
(other than a dividend payable in shares of Common Stock); provided that, in the
event no dividend or distribution shall have been declared on the Common Stock
during the period between any Quarterly Dividend Payment Date and the next
subsequent Quarterly Dividend Payment Date, a dividend of $75.00 per share on
the Series A Participating Preferred Stock shall nevertheless be payable on such
subsequent Quarterly Dividend Payment Date.

              (c)  Dividends shall begin to accrue and be cumulative on
outstanding shares of Series A Participating Preferred Stock from the Quarterly
Dividend Payment Date next preceding the date of issue of such shares of Series
A Participating Preferred Stock, unless the date of issue of such shares is
prior to the record date for the first Quarterly Dividend Payment Date, in which
case dividends on such shares shall begin to accrue from the date of issue of
such shares, or unless the date of issue is a Quarterly Dividend Payment Date,
in which case dividends on such shares shall begin to accrue from the date of
issue of such shares, or unless the date of issue is a Quarterly Dividend
Payment Date or is a date after the record date for the determination of holders
of shares of Series A Participating Preferred Stock entitled to receive a
quarterly dividend and before such Quarterly Dividend Payment Date, in either of
which events such dividends shall begin to accrue and be cumulative from such
Quarterly Dividend Payment Date. Accrued but unpaid dividends shall not bear
interest. Dividends paid on the shares of Series A Participating Preferred Stock
in an amount less than the total amount of such dividends at the time accrued
and payable on such shares shall be allocated pro rata on a share-by-share basis
among all such shares at the time outstanding. The Board of Directors may fix a
record date for the determination of holders of shares of Series A Participating
Preferred Stock entitled to receive payment of a dividend or distribution
declared thereon, which record date shall be no more than 30 days prior to the
date fixed for the payment thereof.

                                       2
<PAGE>
 
          3.  Voting Rights.  The holders of shares of Series A Participating
              -------------
Preferred Stock shall have the following voting rights:

              (a)  Subject to the provision for adjustment hereinafter set
forth, each share of Series A Participating Preferred Stock shall entitle the
holder thereof to 100 votes on all matters submitted to a vote of the
stockholders of the Corporation. In the event the Corporation shall at any time
after the Rights Declaration Date (i) declare any dividend on Common Stock
payable in shares of Common Stock, (ii) subdivide the outstanding Common Stock
or (iii) combine the outstanding Common Stock into a smaller number of shares,
then in each such case the number of votes per share to which holders of shares
of Series A Participating Preferred Stock were entitled immediately prior to
such event shall be adjusted by multiplying such number by a fraction, the
numerator of which is the number of shares of Common Stock outstanding
immediately after such event and the denominator of which is the number of
shares of Common Stock that were outstanding immediately prior to such event.

              (b)  Except as otherwise provided herein, in the Certificate of
Incorporation or under applicable law, the holders of shares of Series A
Participating Preferred Stock and the holders of shares of Common Stock shall
vote together as one class on all matters submitted to a vote of stockholders of
the Corporation.

              (c)  (i) If at any time dividends on any shares of Series A
Participating Preferred Stock shall be in arrears in an amount equal to six
quarterly dividends thereon, the occurrence of such contingency shall mark the
beginning of a period (a "default period") that shall extend until such time
when all accrued and unpaid dividends for all previous quarterly dividends
periods and for the current quarterly dividend period on all shares of Series A
Participating Preferred Stock then outstanding shall have been declared and paid
or set apart for payment. During each default period, all holders of the
outstanding shares of Series A Participating Preferred Stock together with any
other series of Preferred Stock then entitled to such a vote under the terms of
the Certificate of Incorporation, voting as a separate class, shall be entitled
to elect two (2) members of the Board of Directors of the Corporation.

                   (ii) During any default period, such voting right of the
holders of Preferred Stock may be exercised initially at a special meeting
called pursuant to subparagraph (iii) of this Subsection 3(c) or at any annual
meeting of stockholders, and thereafter at annual meetings of stockholders. The
absence of a quorum of the holders of Common Stock shall not affect the exercise
by the holders of Preferred Stock of such voting right. At any meeting at which
the holders of Preferred Stock shall exercise such voting right initially during
an existing default period, they shall have the right, voting as a separate
class, to elect Directors to fill such vacancies, if any, in the Board of
Directors as may then exist up to two (2) Directors, or if such right is
exercised at an annual meeting, to elect two (2) Directors. If the number that
may be so elected at any special meeting does not amount to the required number,
the holders of the Preferred Stock shall have the right to make such increase in
the number of Directors as shall be necessary to permit the election by them of
the required number. After the holders of the Preferred Stock shall have
exercised their right to elect Directors in any default period and during the
continuance of such period, the number of Directors shall not be increased or
decreased except by vote of the holders of Preferred Stock as herein provided or
pursuant to the rights of any equity securities ranking senior to or pari passu
with the Series A Participating Preferred Stock.

                                       3
<PAGE>
 
                   (iii)  Unless the holders of Preferred Stock shall, during an
existing default period, have previously exercised their right to elect
Directors, the Board of Directors may order, or any stockholder or stockholders
owning in the aggregate not less than ten percent (10%) of the total number of
shares of Preferred Stock outstanding, irrespective of series, may request, the
calling of a special meeting of the holders of Preferred Stock, which meeting
shall thereupon be called by the Chairman, President, a Vice President or the
Secretary of the Corporation. Notice of such meeting and of any annual meeting
at which holders of Preferred Stock are entitled to vote pursuant to this
Section 3(c)(iii) shall be given to each holder of record of Preferred Stock by
mailing a copy of such notice to him at his last address as the same appears on
the books of the Corporation. Such meeting shall be called for a time not
earlier than 10 days and not later than 60 days after such order or request. In
the event such meeting is not called within 60 days after such order or request,
such meeting may be called on a similar notice by any stockholder or
stockholders owning in the aggregate not less than ten percent (10%) of the
total number of shares of Preferred Stock outstanding. Notwithstanding the
provisions of this Section 3(c)(iii), no such special meeting shall be called
during the period within 60 days immediately preceding the date fixed for the
next annual meeting of the stockholders.

                   (iv) In any default period, the holders of Common Stock, and
other classes of stock of the Corporation if applicable, shall continue to be
entitled to elect the whole number of Directors until the holders of Preferred
Stock shall have exercised their right to elect two (2) Directors voting as a
separate class, after the exercise of which right (x) the Directors so elected
by the holders of Preferred Stock shall continue in office until their
successors shall have been elected by such holders or until the expiration of
the default period, and (y) any vacancy in the Board of Directors may (except as
provided in Section 3(c)(ii) be filled by vote of a majority of the remaining
Directors elected by the class which elected the Director whose office shall
have become vacant. References in this Section 3(c)(iv) to Directors elected by
a particular class shall include Directors elected by such Directors to fill
vacancies as provided in clause (y) of the foregoing sentence.

              (d)  Immediately upon the expiration of a default period, (x) the
right of the holders of Preferred Stock, as a separate class, to elect Directors
shall cease, (y) the term of any Directors elected by the holders of Preferred
Stock, as a separate class, shall terminate, and (z) the number of Directors
shall be such number as may be provided for in, or pursuant to, the Certificate
of Incorporation or By-Laws irrespective of any increase made pursuant to the
provisions of Section 3(c)(ii) (such number being subject, however, to change
thereafter in any manner provided by law or in the Certificate of Incorporation
or By-Laws). Any vacancies in the Board of Directors effected by the provisions
of clauses (y) and (z) in the preceding sentence may be filled by a majority of
the remaining Directors, even though less than a quorum.

              (e)  Except as set forth herein or as otherwise provided in the
Certificate of Incorporation, holders of Series A Participating Preferred Stock
shall have no special voting rights and their consent shall not be required
(except to the extent they are entitled to vote with holders of Common Stock as
set forth herein) for taking any corporate action.

                                       4
<PAGE>
 
          4.  Certain Restrictions.
              ---------------------

              (a)  Whenever quarterly dividends or other dividends or
distributions payable on the Series A Participating Preferred Stock as provided
in Section 2 are in arrears, thereafter and until all accrued and unpaid
dividends and distributions, whether or not declared, on shares of Series A
Participating Preferred Stock outstanding shall have been paid in full, the
Corporation shall not:

                   (i)   declare or pay or set apart for payment any dividends
or make any other distributions on, or redeem or purchase or otherwise acquire,
directly or indirectly, for consideration any shares of any class of stock of
the Corporation ranking junior (either as to dividends or upon liquidation,
dissolution or winding up) to the Series A Participating Preferred Stock;

                   (ii)  declare or pay dividends on or make any other
distributions on any shares of stock ranking on a parity (either as to dividends
or upon liquidation, dissolution or winding up) with the Series A Participating
Preferred Stock, except dividends paid ratably on the Series A Participating
Preferred Stock and all such parity stock on which dividends are payable or in
arrears in proportion to the total amounts to which the holders of all such
shares are then entitled;

                   (iii) redeem or purchase or otherwise acquire for
consideration shares of any stock ranking on a parity (either as to dividends or
upon liquidation, dissolution or winding up) with the Series A Participating
Preferred Stock, provided that the Corporation may at any time redeem, purchase
or otherwise acquire shares of any such parity stock in exchange for shares of
any stock of the Corporation ranking junior (either as to dividends or upon
dissolution, liquidation or winding up) to the Series A Participating Preferred
Stock; or

                   (iv)  purchase or otherwise acquire for consideration any
shares of Series A Participating Preferred Stock, or any shares of stock ranking
on a parity with the Series A Participating Preferred Stock, except in
accordance with a purchase offer made in writing or by publication (as
determined by the Board of Directors) to all holders of such shares upon such
terms as the Board of Directors, after consideration of the respective annual
dividend rates and other relative rights and preferences of the respective
Series A Participatingnd classes, shall determine in good faith will result in
fair and equitable treatment among the respective series or classes.

              (b) The Corporation shall not permit any subsidiary of the 
Corporation to purchase or otherwise acquire for consideration any shares of 
stock of the Corporation unless the Corporation could, under paragraph (a) of 
this Section 4, purchase or otehrwise acquire such shares at such time and in 
such manner.

          5.  Reacquired Shares.  Any shares of Series A Participating Preferred
              -----------------
Stock purchased or otherwise acquired by the Corporation in any manner
whatsoever shall be retired and canceled promptly after the acquisition thereof.
All such shares shall upon their cancellation become authorized but unissued
shares of Preferred Stock and may be reissued as part of a new 

                                       5
<PAGE>
 
series of Preferred Stock to be created by resolution or resolutions of the
Board of Directors, subject to the conditions and restrictions on issuance set
forth herein.

          6.  Liquidation, Dissolution or Winding Up.
              ---------------------------------------

              (a)  Upon any voluntary or involuntary liquidation, dissolution or
winding up of the Corporation, no distribution shall be made to the holders of
shares of stock ranking junior (either as to dividends or upon liquidation,
dissolution or winding up) to the Series A Participating Preferred Stock unless,
prior thereto, the holders of shares of Series A Participating Preferred Stock
shall have received $100 per share, plus an amount equal to accrued and unpaid
dividends and distributions thereon, whether or not declared, to the date of
such payment (the "Series A Participating Preferred Stock Liquidation
Preference"). Following the payment of the full amount of the Series A
Participating Preferred Stock Liquidation Preference, no additional
distributions shall be made to the holders of shares of Series A Participating
Preferred Stock unless, prior thereto, the holders of shares of Common Stock
shall have received an amount per share (the "Common Adjustment") equal to the
quotient obtained by dividing (i) the Series A Participating Preferred Stock
Liquidation Preference by (ii) 100 (as appropriately adjusted as set forth in
paragraph (c) below to reflect such events as stock splits, stock dividends and
recapitalizations with respect to the Common Stock) (such number in clause (ii)
being hereinafter referred to as the "Adjustment Number"). Following the payment
of the full amount of the Series A Participating Preferred Stock Liquidation
Preference and the Common Adjustment in respect of all outstanding shares of
Series A Participating Preferred Stock and Common Stock, respectively, holders
of Series A Participating Preferred Stock and holders of shares of Common Stock
shall receive their ratable and proportionate share of the remaining assets to
be distributed in the ratio of the Adjustment Number to 1 with respect to such
Series A Participating Preferred Stock and Common Stock, on a per share basis,
respectively.

              (b)  In the event, however, that there are not sufficient assets
available to permit payment in full of the Series A Participating Preferred
Stock Liquidation Preference and the liquidation preferences of all other series
of Preferred Stock, if any, which rank on a parity with the Series A
Participating Preferred Stock, then such remaining assets shall be distributed
ratably to the holders of all such shares in proportion to their respective
liquidation preferences. In the event, however, that there are not sufficient
assets available to permit payment in full of the Common Adjustment, then such
remaining assets shall be distributed ratably to the holders of Common Stock.

              (c)  In the event the Corporation shall at any time after the
Rights Declaration Date (i) declare any dividend on Common Stock payable in
shares of Common Stock, (ii) subdivide the outstanding Common Stock, or (iii)
combine the outstanding Common Stock into a smaller number of shares, then in
each such case the Adjustment Number in effect immediately prior to such event
shall be adjusted by multiplying such Adjustment Number by a fraction, the
numerator of which is the number of shares of Common Stock outstanding
immediately after such event and the denominator of which is the number of
shares of Common Stock that were outstanding immediately prior to such event.

          7.  Consolidation, Merger, Share Exchange, etc.  In case the
              ------------------------------------------
Corporation shall enter into any consolidation, merger, share exchange,
combination or other transaction in which the shares of Common Stock are
exchanged for or changed into other stock or securities, cash 

                                       6
<PAGE>
 
and/or any other property, then in any such case the shares of Series A
Participating Preferred Stock shall at the same time be similarly exchanged or
changed in an amount per share (subject to the provision for adjustment
hereinafter set forth) equal to 100 times the aggregate amount of stock,
securities, cash and/or any other property (payable in kind), as the case may
be, into which or for which each share of Common Stock is changed or exchanged.
In the event the Corporation shall at any time after the Rights Declaration Date
(i) declare any dividend on Common Stock payable in shares of Common Stock, (ii)
subdivide the outstanding Common Stock, or (iii) combine the outstanding Common
Stock into a smaller number of shares, then in each such case the amount set
forth in the preceding sentence with respect to the exchange or change of shares
of Series A Participating Preferred Stock shall be adjusted by multiplying such
amount by a fraction, the numerator of which is the number of shares of Common
Stock outstanding immediately after such event and the denominator of which is
the number of shares of Common Stock that were outstanding immediately prior to
such event.

          8.   No Redemption.  The shares of Series A Participating Preferred
               -------------
Stock shall not be redeemable.

          9.   Ranking.  The Series A Participating Preferred Stock shall rank
               -------
junior to all other series of the Corporation's Preferred Stock as to the
payment of dividends and the distribution of assets, unless the terms of any
such series shall provide otherwise.

          10.  Amendment.  The Certificate of Incorporation of the Corporation
               ---------
shall not be amended in any manner which would materially alter or change the
powers, preferences or special rights of the Series A Participating Preferred
Stock so as to affect them adversely without the affirmative vote of the holders
of two-thirds or more of the outstanding shares of Series A Participating
Preferred Stock, voting together as a single voting group.

          11.  Fractional Shares.  Series A Participating Preferred Stock may be
               -----------------
issued in fractions of a share which shall entitle the holder, in proportion to
such holder's fractional shares, to exercise voting rights, receive dividends,
participate in distributions and to have the benefit of 

                                       7
<PAGE>
 
all other rights of holders of Series A Participating Preferred Stock.


        IN WITNESS WHEREOF, SEQUUS Pharmaceuticals, Inc. has caused this
Certificate to be signed by I. Craig Henderson, its Chairman and CEO, this 17th
day of April, 1997.



                                 SEQUUS PHARMACEUTICALS, INC.



                                 By:  /s/ I. CRAIG HENDERSON
                                      --------------------------
                                      Name:   I. Craig Henderson
                                      Title:  Chairman and CEO

                                       8

<PAGE>
 
                                                                     EXHIBIT 4.1


                         SEQUUS PHARMACEUTICALS, INC.


                                      AND


                   CHASEMELLON SHAREHOLDER SERVICES, L.L.C.

                                (RIGHTS AGENT)



                               RIGHTS AGREEMENT



                          DATED AS OF APRIL 17, 1997
<PAGE>
 
                               RIGHTS AGREEMENT



          RIGHTS AGREEMENT, dated as of April 17, 1997 (the "Agreement"),
between SEQUUS Pharmaceuticals, Inc., a Delaware corporation (the "Company"),
and ChaseMellon Shareholder Services, L.L.C., a New Jersey limited liability
company (the "Rights Agent").


                              W I T N E S S E T H


          WHEREAS, on April 17, 1997, (the "Rights Dividend Declaration Date"),
the Board of Directors of the Company authorized and declared a dividend
distribution of one Right for each share of Common Stock (as hereinafter
defined) of the Company outstanding at the close of business on April 28, 1997
(the "Record Date"), and authorized the issuance of one Right (as such number
may hereafter be adjusted pursuant to the provisions of Section 11(p) hereof)
for each share of Common Stock of the Company issued between the Record Date
(whether originally issued or delivered from the Company's treasury) and the
Distribution Date (as hereinafter defined), each Right initially representing
the right to purchase one one-hundredth of a share of Series A Participating
Preferred Stock of the Company having the rights, powers and preferences set
forth in the form of Certificate of Designation, Preferences and Rights attached
hereto as Exhibit A, upon the terms and subject to the conditions hereinafter
set forth (the "Rights");

          NOW, THEREFORE, in consideration of the premises and the mutual
agreements herein set forth, the parties hereby agree as follows:

          Section 1.  Certain Definitions.  For purposes of this Agreement, the
                      -------------------
following terms have the meanings indicated:

               (a)  "Acquiring Person" shall mean any Person who, together with
all Affiliates and Associates of such Person, shall be the Beneficial Owner of
15% or more of the shares of Common Stock then outstanding, but shall not
include:


                    (i)    the Company,

                    (ii)   any Subsidiary of the Company,

                    (iii)  any employee benefit plan of the Company or of any
                           Subsidiary of the Company, or any Person or entity
                           organized, appointed or established by the Company
                           for or pursuant to the terms of any such plan,

                                       1
<PAGE>
 
                    (iv)   any Person who becomes an Acquiring Person solely as
                           a result of a reduction in the number of shares of
                           Common Stock outstanding due to the repurchase of
                           shares of Common Stock by the Company, unless and
                           until such Person shall thereafter purchase or
                           otherwise become the Beneficial Owner of additional
                           shares of Common Stock constituting 1% or more of the
                           shares of Common Stock outstanding at the time that
                           such Person becomes the Beneficial Owner of 15% or
                           more of the then outstanding shares of Common Stock,
                           or

                    (v)    any Person described in Rule 13d-1(b)(1) under the
                           Exchange Act who is eligible to report beneficial
                           ownership of Common Stock on Schedule 13G, unless
                           such Person (1) becomes required to file a Statement
                           on Schedule 13D with respect to its Beneficial
                           Ownership of Common Stock or (2) acquires Beneficial
                           Ownership (whether or not required to be reported on
                           Schedule 13D or Schedule 13G) of 25% or more of the
                           then outstanding shares of Common Stock.

Notwithstanding the foregoing, Acquiring Person shall not include any Person
whose ownership of 15% or more of the shares of Common Stock then outstanding
results from any action, transaction or series of transactions approved in
advance by the Company's Board of Directors (provided that such Person shall
become an Acquiring Person if such Person shall thereafter purchase or otherwise
become the Beneficial Owner of additional shares of Common Stock constituting 1%
or more of the outstanding shares of Common Stock unless otherwise approved in
advance by the Board; provided however, (A) any transfer of shares by such
                      --------
Person to a third party (other than the Company, any Subsidiary of the Company,
any employee benefit plan of the Company or any trustee in respect thereof
acting in such capacity) who after such transfer owns 15% or more of the  shares
then outstanding will cause the Rights to become exercisable at the time and in
the manner provided for herein, and (B) any institution of a tender or exchange
offer by any holder of shares will trigger the exerciseability of the Rights,
notwithstanding the above.

               (b)  "Affiliate" and "Associate" shall have the respective
meanings ascribed to such terms in Rule 12b-2 of the General Rules and
Regulations under the Exchange Act.

               (c)  A Person shall be deemed the "Beneficial Owner" of, and
shall be deemed to "beneficially own," any securities:

                    (i)  which such Person or any of such Person's Affiliates or
Associates, directly or indirectly, has the right to acquire (whether such right
is exercisable immediately or only after the passage of time) pursuant to any
agreement, arrangement or understanding (whether or not in writing) or upon the
exercise of conversion rights, exchange rights, rights, warrants or options, or
otherwise; provided, however, that a Person shall not be deemed the "Beneficial
Owner" of, or to "beneficially own," (A) securities tendered pursuant to a
tender or exchange offer made by such Person or any of such Person's Affiliates
or Associates

                                       2
<PAGE>
 
until such tendered securities are accepted for purchase or exchange, or (B)
securities issuable upon exercise of Rights at any time prior to the occurrence
of a Triggering Event, or (C) securities issuable upon exercise of Rights from
and after the occurrence of a Triggering Event which Rights were acquired by
such Person or any of such Person's Affiliates or Associates prior to the
Distribution Date or pursuant to Section 3(a) or Section 22 hereof (the
"Original Rights") or pursuant to Section 11(i) hereof in connection with an
adjustment made with respect to any Original Rights;

                    (ii)   which such Person or any of such Person's Affiliates
or Associates, directly or indirectly, has the right to vote or dispose of or
has "beneficial ownership" of (as determined pursuant to Rule 13d-3 of the
General Rules and Regulations under the Exchange Act), including pursuant to any
agreement, arrangement or understanding, whether or not in writing; provided,
                                                                    --------
however, that a Person shall not be deemed the "Beneficial Owner" of, or to 
"beneficially own," any security under this subparagraph (ii) as a result of an
agreement, arrangement or understanding to vote such security if such agreement,
arrangement or understanding: (A) arises solely from a revocable proxy given in
response to a public proxy or consent solicitation made pursuant to, and in
accordance with, the applicable provisions of the General Rules and Regulations
under the Exchange Act, and (B) is not also then reportable by such Person on
Schedule 13D under the Exchange Act (or any comparable or successor report); or

                    (iii)  which are beneficially owned, directly or indirectly,
by any other Person (or any Affiliate or Associate thereof) with which such
Person (or any of such Person's Affiliates or Associates) has any agreement,
arrangement or understanding (whether or not in writing), for the purpose of
acquiring, holding, voting (except pursuant to a revocable proxy as described in
the provisio to subparagraph (ii) of this paragraph (c)) or disposing of any
voting securities of the Company; provided, however, that nothing in this
                                  --------
paragraph (c) shall cause a Person engaged in the business as an underwriter of
securities to be deemed the "Beneficial Owner" of, or to "beneficially own," any
securities acquired through such Person's participation in good faith in a firm
commitment underwriting until the expiration of forty days after the date of
such acquisition.

               (d)  "Business Day" shall mean any day other than a Saturday,
Sunday or a day on which banking institutions in the State of California are
authorized or obligated by law or executive order to close.

               (e)  "Close of Business" on any given date shall mean 5:00 p.m.,
California time, on such date; provided, however, that if such date is not a
                               --------
Business Day it shall mean 5:00 p.m., California time, on the next succeeding
Business Day.

               (f)  "Common Stock" shall mean the common stock, par value
$0.0001 per share, of the Company, except that "Common Stock" when used with
reference to any Person other than the Company shall mean the capital stock of
such Person with the greatest voting power, or the equity securities or other
equity interest having power to control or direct the management, of such
Person.

               (g)  "Distribution Date" shall mean the earlier of (i) the Close
of Business on the tenth business day after the Stock Acquisition Date and (ii)
the Close of Business

                                       3
<PAGE>
 
on the tenth business day (or such later date as the Board of Directors shall
determine) after the date that a tender or exchange offer by any Person (other
than the Company, any Subsidiary of the Company, any employee benefit plan of
the Company or of any Subsidiary of the Company, or any Person or entity
organized, appointed or established by the Company for or pursuant to the terms
of any such plan) is first published or sent or given within the meaning of Rule
14d-2(a) of the General Rules and Regulations under the Exchange Act, if upon
consummation thereof, such Person would be the Beneficial Owner of 15% or more
of the shares of Common Stock then outstanding.

               (h)  "Exchange Act" shall mean the Securities Exchange Act of
1934, as amended.

               (i)  "Exchange Ratio" shall have the meaning set forth in Section
23 hereof.

               (j)  "Expiration Date" shall mean the earlier of (i) the Final
Expiration Date, or (ii) the time at which the Rights are redeemed as provided
in Section 24 hereof.

               (k)  "Final Expiration Date" shall mean the Close of Business on
April 17, 2007.

               (l)  "Original Rights" shall have the meaning set forth in
Section 1(c) hereof.

               (m)  "Principal Party" shall have the meaning set forth in
Section 13 hereof.

               (n)  "Person" shall mean any individual, firm, corporation,
partnership or other entity.

               (o)  "Preferred Stock" shall mean shares of Series A
Participating Preferred Stock, par value $0.01 per share, of the Company and, to
the extent that there are not a sufficient number of shares of Series A
Participating Preferred Stock authorized to permit the full exercise of the
Rights, any other series of preferred stock, par value $0.01 per share, of the
Company designated for such purpose containing terms substantially similar to
the terms of the Series A Participating Preferred Stock.

               (p)  "Purchase Price" shall have the meaning set forth in Section
4 or Section 11 hereof, as the case may be.

               (q)  "Record Date" shall have the meaning set forth in the
recitals at the beginning of this Agreement.

               (r)  "Rights" shall have the meaning set forth in the recitals at
     the beginning of this Agreement.

               (s)  "Rights Certificates" shall mean one or more rights
certificates, in substantially the form of Exhibit B hereto.

                                       4
<PAGE>
 
               (t)  "Rights Dividend Declaration Date" shall have the meaning
set forth in the recitals at the beginning of this Agreement.

               (u)  "Section 11(a)(ii) Event" shall mean any event described in
Section 11(a)(ii)(A) or (B) hereof.

               (v)  "Section 13 Event" shall mean any event described in clauses
(x), (y) or (z) of Section 13(a) hereof.

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

               (x)  "Stock Acquisition Date" shall mean the first date of public
announcement (which, for purposes of this definition, shall include, without
limitation, a report filed pursuant to Section 13(d) under the Exchange Act) by
the Company or an Acquiring Person that an Acquiring Person has become such;
provided, however, if such person has first been determined not to have become
an Acquiring Person pursuant to Section 1(a) hereof, then no Stock Acquisition
Date shall be deemed to have occurred.

               (y)  "Subsidiary" shall mean, with reference to any Person, any
corporation of which an amount of voting securities sufficient to elect at least
a majority of the directors of such corporation is Beneficially Owned, directly
or indirectly, by such Person, or otherwise controlled by such Person.

               (z)  "Summary of Rights" shall mean the summary of rights to
purchase Preferred Stock, in substantially the form of Exhibit C hereto.

               (aa) "Trading Day" shall have the meaning set forth in Section
11(d) hereof.

               (bb) "Triggering Event" shall mean any Section 11(a)(ii) Event or
any Section 13 Event.

          Section 2.  Appointment of Rights Agent.  The Company hereby appoints
                      ---------------------------
the Rights Agent to act as agent for the Company in accordance with the terms
and conditions hereof, and the Rights Agent hereby accepts such appointment.
The Company may from time to time appoint such concurrent Rights Agents as it
may deem necessary or desirable. Contemporaneously with any such appointment the
Company shall notify the Rights Agent thereof.

          Section 3.  Issue of Rights Certificates.
                      -----------------------------
               (a)  Until the Distribution Date, (i) the Rights will be
evidenced (subject to the provisions of 3(b) hereof) by the certificates for the
Common Stock registered in the names of the holders of the Common Stock (which
certificates for Common Stock shall be deemed also to be certificates for
Rights) and not by separate certificates, and (ii) the Rights will be
transferable only in connection with the transfer of the underlying shares of
Common Stock (including a transfer to the Company).  As soon as practicable
after the Distribution Date, the Rights Agent will send by first-class, insured,
postage prepaid mail, to each record holder of the Common Stock as of the close
of business on the Distribution Date, at the address of such holder shown on the
records of the Company, one or more Rights Certificates, evidencing one Right
for

                                       5
<PAGE>
 
each share of Common Stock so held, subject to adjustment as provided herein. In
the event that an adjustment in the number of Rights per share of Common Stock
has been made pursuant to Section 11(p) hereof, at the time of distribution of
the Right Certificates, the Company shall make the necessary and appropriate
rounding adjustments (in accordance with Section 14(a) hereof) so that Rights
Certificates representing only whole numbers of Rights are distributed and cash
is paid in lieu of any fractional Rights.  As of and after the Distribution
Date, the Rights will be evidenced solely by such Rights Certificates.

               (b)  On the Record Date, or as soon as practicable thereafter,
the Company will send a copy of a Summary of Rights, by first-class, postage-
prepaid mail, to each record holder of shares of Common Stock as of the close of
business on the Record Date, at the address of such holder shown on the records
of the Company.

               (c)  Certificates issued for shares of Common Stock (including,
without limitation, certificates issued upon transfer, exchange or replacement
of shares of Common Stock) after the Record Date but before the earliest of the
Distribution Date, the Redemption Date and the Final Expiration Date shall bear
the following legend:

 
          This certificate also evidences and entitles the holder hereof to
          certain Rights as set forth in the Rights Agreement between SEQUUS
          Pharmaceuticals, Inc. and ChaseMellon Shareholder Services, L.L.C., as
          Rights Agent, dated as of April 17, 1997 (the "Rights Agreement"), the
          terms of which are hereby incorporated herein by reference and a copy
          of which is on file at the principal offices of SEQUUS
          Pharmaceuticals, Inc.  Under certain circumstances, as set forth in
          the Rights Agreement, such Rights will be evidenced by separate
          certificates and will no longer be evidenced by this certificate.
          SEQUUS Pharmaceuticals, Inc. will mail to the holder of this
          certificate a copy of the Rights Agreement, as in effect on the date
          of mailing, without charge promptly after receipt of a written request
          therefor.  Under certain circumstances set forth in the Rights
          Agreement, Rights issued to, or held by, any Person who is, was or
          becomes an Acquiring Person or any Affiliate or Associate thereof (as
          such terms are defined in the Rights Agreement), whether currently
          held by or on behalf of such Person or by any subsequent holder, may
          become null and void.

If the Company purchases or acquires any Common Stock after the Record Date but
before the Distribution Date, any Rights associated with that Common Stock shall
be deemed canceled so that the Company shall not be entitled to exercise any
Rights associated with the Common Stock which are no longer outstanding.

With respect to such certificates containing the foregoing legend, until the
earlier of (i) the Distribution Date and (ii) the Expiration Date, the Rights
associated with the Common Stock represented by such certificates shall be
evidenced by such certificates alone and registered holders of Common Stock
shall also be the registered holders of the associated Rights, and the transfer
of any of such certificates shall also constitute the transfer of the Rights
associated with the Common Stock represented by such certificates.

                                       6
<PAGE>
 
          Section 4.  Form of Rights Certificates.
                      ----------------------------
               (a)  The Rights Certificates (and the forms of election to
purchase and of assignment to be printed on the reverse thereof) may have such
marks of identification or designation and such legends, summaries or
endorsements printed thereon as the Company may deem appropriate and as are not
inconsistent with the provisions of this Agreement, or as may be required to
comply with any applicable law or with any rule or regulation made pursuant
thereto or with any rule or regulation of any stock exchange on which the Rights
may from time to time be listed, or to conform to usage.  Subject to the
provisions of Section 11 and Section 22 hereof, the Rights Certificates,
whenever distributed, shall be dated as of the Record Date and on their face
shall entitle the holders thereof to purchase such number of one-hundredths of a
share of Preferred Stock as shall be set forth therein at the price set forth
therein (such exercise price per one one-hundredth of a share, the "Purchase
Price"), but the amount and type of securities purchasable upon the exercise of
each Right and the Purchase Price thereof shall be subject to adjustment as
provided herein.

               (b)  Any Rights Certificates issued pursuant to Section 3(a) or
Section 22 hereof that represents Rights beneficially owned by: (i) an Acquiring
Person or any Associate or Affiliate of an Acquiring Person, (ii) a transferee
of an Acquiring Person (or of any such Associate or Affiliate) who becomes a
transferee after the Acquiring Person becomes such, or (iii) a transferee of an
Acquiring Person (or of any such Associate or Affiliate) who becomes a
transferee prior to or concurrently with the Acquiring Person becoming such and
receives such Rights pursuant to either (A) a transfer (whether or not for
consideration) from the Acquiring Person to holders of equity interests in such
Acquiring Person or to any Persons with whom such Acquiring Person has any
continuing agreement, arrangement or understanding regarding the transferred
Rights or (B) a transfer which the Board of Directors of the Company has
determined is part of a plan, arrangement or understanding which has as a
primary purpose or effect avoidance of Section 7(e) hereof, and any Rights
Certificate issued pursuant to Section 6 or Section 11 hereof upon transfer,
exchange, replacement or adjustment of any other Rights Certificate referred to
in this sentence, shall contain (to the extent feasible) the following legend:


          The Rights represented by this Rights Certificates are or were
          beneficially owned by a Person who was or became an Acquiring Person
          or an Affiliate or Associate of an Acquiring Person (as such terms are
          defined in the Rights Agreement). Accordingly, this Rights Certificate
          and the Rights represented hereby may become null and void in the
          circumstances specified in Section 7(e) of such Agreement.

          Section 5.  Countersignature and Registration.
                      ----------------------------------
               (a)  The Rights Certificates shall be executed on behalf of the
Company by its Chairman of the Board, its President or any Vice President,
either manually or by facsimile signature, and shall have affixed thereto the
Company's seal or a facsimile thereof which shall be attested by the Secretary
or an Assistant Secretary of the Company, either manually or by facsimile
signature. The Rights Certificates shall be countersigned by the Rights Agent,
either manually or by facsimile signature, and shall not be valid for any
purpose unless so countersigned. In case any officer of the Company who shall
have signed any of the Rights Certificates shall cease to be such officer of the
Company before countersignature by the Rights Agent and 

                                       7
<PAGE>
 
issuance and delivery by the Company, such Rights Certificates, nevertheless,
may be countersigned by the Rights Agent and issued and delivered by the Company
with the same force and effect as though the person who signed such Rights
Certificates had not ceased to be such officer of the Company; and any Rights
Certificates may be signed on behalf of the Company by any person who, at the
actual date of the execution of such Rights Certificate, shall be a proper
officer of the Company to sign such Rights Certificate, although at the date of
the execution of this Rights Agreement any such person was not such an officer.

          (b)  Following the Distribution Date, the Rights Agent will keep or
cause to be kept, at its principal office or offices designated as the
appropriate place for surrender of Rights Certificates upon exercise or
transfer, books for registration and transfer of the Rights Certificates issued
hereunder. Such books shall show the names and addresses of the respective
holders of the Rights Certificates, the number of Rights evidenced on its face
by each of the Rights Certificates and the date of each of the Rights
Certificates.

   Section 6.  Transfer, Split Up, Combination and Exchange of Rights
               ------------------------------------------------------
Certificates; Mutilated, Destroyed, Lost or Stolen Rights Certificates.
- ----------------------------------------------------------------------

          (a)  Subject to the provisions of Section 4(b), Section 7(e) and
Section 14 hereof, at any time after the Close of Business on the Distribution
Date, and at or prior to the close of business on the Expiration Date, any
Rights Certificate or Certificates may be transferred, split up, combined or
exchanged for another Rights Certificate or Certificates, entitling the
registered holder to purchase a like number of one one-hundredths of a share of
Preferred Stock (or, following a Triggering Event, Common Stock, other
securities, cash or other assets, as the case may be) as the Rights Certificate
or Certificates surrendered then entitled such holder (or former holder in the
case of a transfer) to purchase. Any registered holder desiring to transfer,
split up, combine or exchange any Rights Certificate or Certificates shall make
such request in writing delivered to the Rights Agent, and shall surrender the
Rights Certificate or Certificates to be transferred, split up, combined or
exchanged at the principal office or offices of the Rights Agent designated for
such purpose. Neither the Rights Agent nor the Company shall be obligated to
take any action whatsoever with respect to the transfer of any such surrendered
Rights Certificate until the registered holder shall have completed and signed
the certificate contained in the form of assignment on the reverse side of such
Rights Certificate and shall have provided such additional evidence of the
identity of the Beneficial Owner (or former Beneficial Owner) or Affiliates or
Associates thereof as the Company shall reasonably request. Thereupon the Rights
Agent shall, subject to Section 4(b), Section 7(e) and Section 14 hereof,
countersign and deliver to the Person entitled thereto a Rights Certificate or
Rights Certificates, as the case may be, as so requested. The Company may
require payment of a sum sufficient to cover any tax or governmental charge that
may be imposed in connection with any transfer, split up, combination or
exchange of Rights Certificates.

          (b)  Upon receipt by the Company and the Rights Agent of evidence
reasonably satisfactory to them of the loss, theft, destruction or mutilation of
a Rights Certificate, and, in case of loss, theft or destruction, of indemnity
or security reasonably satisfactory to them, and reimbursement to the Company
and the Rights Agent of all reasonable expenses incidental thereto, and upon
surrender to the Rights Agent and cancellation of the Rights Certificate if
mutilated, the Company will execute and deliver a new Rights Certificate of like
tenor to the 

                                       8
<PAGE>
 
Rights Agent for countersignature and delivery to the registered owner in lieu
of the Rights Certificate so lost, stolen, destroyed or mutilated.

      Section 7.  Exercise of Rights; Purchase Price; Expiration Date of Rights.
                  --------------------------------------------------------------

             (a)  Subject to Section 7(e) hereof, the registered holder of any
Rights Certificate may exercise the Rights evidenced thereby (except as
otherwise provided herein including, without limitation, the restrictions on
exerciseability set forth in Section 9(c), Section 11(a)(iii) and Section 24(a)
hereof) in whole or in part at any time after the Distribution Date upon
surrender of the Rights Certificate, with the form of election to purchase and
the certificate on the reverse side thereof duly executed, to the Rights Agent
at the principal office or offices of the Rights Agent designated for such
purpose, together with payment of the aggregate Purchase Price with respect to
the total number of one one-hundredths of a share of Preferred Stock (or other
securities, cash or other assets, as the case may be) as to which such
surrendered Rights are then exercisable, at or prior to the earlier of (i) the
Final Expiration Date, or (ii) the Expiration Date.

             (b)  The Purchase Price for each one one-hundredth of a share of
Preferred Stock pursuant to the exercise of a Right shall initially be $75.00,
and shall be subject to adjustment from time to time as provided in Sections 11
and 13(a) hereof and shall be payable in accordance with paragraph (c) below.

             (c)  Upon receipt of a Rights Certificate representing exercisable
Rights, with the form of election to purchase and the certificate duly executed,
accompanied by payment, with respect to each Right so exercised, of the Purchase
Price per one one-hundredth of a share of Preferred Stock (or other securities,
cash or other assets, as the case may be) to be purchased as set forth below and
an amount equal to any applicable transfer tax, the Rights Agent shall, subject
to Section 20(k) hereof, thereupon promptly (i) (A) requisition from any
transfer agent of the shares of Preferred Stock (or make available, if the
Rights Agent is the transfer agent for such shares) certificates for the total
number of one one-hundredths of a share of Preferred Stock to be purchased and
the Company hereby irrevocably authorizes its transfer agent to comply with all
such requests, or (B) if the Company shall have elected to deposit the total
number of shares of Preferred Stock issuable upon exercise of the Rights
hereunder with a depository agent, requisition from the depository agent
depository receipts representing such number of one one-hundredths of a share of
Preferred Stock as are to be purchased (in which case certificates for the
shares of Preferred Stock represented by such receipts shall be deposited by the
transfer agent with the depository agent) and the Company will direct the
depository agent to comply with such request, (ii) requisition from the Company
the amount of cash, if any, to be paid in lieu of fractional shares in
accordance with Section 14 hereof, (iii) after receipt of such certificates or
depository receipts, cause the same to be delivered to or upon the order of the
registered holder of such Rights Certificate registered in such name or names as
may be designated by such holder, and (iv) after receipt thereof, deliver such
cash, if any, to or upon the order of the registered holder of such Rights
Certificate. The payment of the Purchase Price (as such amount may be reduced
pursuant to Section 11(a)(iii) hereof) may be made (x) in cash or by certified
bank check or bank draft payable to the order of the Company, or (y) by delivery
of a certificate or certificates (with appropriate stock powers executed in
blank attached thereto) evidencing a number of shares of Common Stock equal to
the then Purchase Price divided by the 

                                       9
<PAGE>
 
closing price (as determined pursuant to Section 11(d) hereof) per share of
Common Stock on the Trading Day immediately preceding the date of such exercise.
In the event that the Company is obligated to issue other securities (including
Common Stock) of the Company, pay cash and/or distribute other property pursuant
to Section 11(a) hereof, the Company will make all arrangements necessary so
that such other securities, cash and/or other property are available for
distribution by the Rights Agent, if and when appropriate. The Company reserves
the right to require prior to the occurrence of a Triggering Event that upon any
exercise of Rights, a number of Rights be exercised so that only whole shares of
Preferred Stock would be issued.

          (d)  In case the registered holder of any Rights Certificate shall
exercise less than all the Rights evidenced thereby, a new Rights Certificate
evidencing Rights equivalent to the Rights remaining unexercised shall be issued
by the Rights Agent and delivered to, or upon the order of, the registered
holder of such Rights Certificates, registered in such name or names as may be
designated by such holder, subject to the provisions of Section 14 hereof.

          (e)  Notwithstanding anything in this Agreement to the contrary, from
and after the first occurrence of a Section 11(a)(ii) Event, any Rights
beneficially owned by (i) an Acquiring Person or an Associate or Affiliate of an
Acquiring Person, (ii) a transferee of an Acquiring Person (or of any such
Associate or Affiliate) who becomes a transferee after the Acquiring Person
becomes such, or (iii) a transferee of an Acquiring Person (or of any such
Associate or Affiliate) who becomes a transferee prior to or concurrently with
the Acquiring Person becoming such and receives such Rights pursuant to either
(A) a transfer (whether or not for consideration) from the Acquiring Person to
holders of equity interests in such Acquiring Person or to any Person with whom
the Acquiring Person has any continuing agreement, arrangement or understanding
regarding the transferred Rights or (B) a transfer which the Board of Directors
of the Company has determined is part of a plan, arrangement or understanding
which has as a primary purpose or effect the avoidance of this Section 7(e),
shall become null and void without any further action and no holder of such
Rights shall have any rights whatsoever with respect to such Rights, whether
under any provision of this Agreement or otherwise. The Company shall use all
reasonable efforts to insure that the provisions of this Section 7(e) and
Section 4(b) hereof are complied with, but shall have no liability to any holder
of Rights Certificates or other Person as a result of its failure to make any
determinations with respect to an Acquiring Person or its Affiliates, Associates
or transferees hereunder.

          (f)  Notwithstanding anything in this Agreement to the contrary,
neither the Rights Agent nor the Company shall be obligated to undertake any
action with respect to a registered holder upon the occurrence of any purported
exercise as set forth in this Section 7 unless such registered holder shall have
(i) completed and signed the certificate contained in the form of election to
purchase set forth on the reverse side of the Rights Certificate surrendered for
such exercise, and (ii) provided such additional evidence of the identity of the
Beneficial Owner (or former Beneficial Owner) and Affiliates or Associates
thereof as the Company shall reasonably request.

   Section 8.  Cancellation and Destruction of Rights Certificates.  All
               ---------------------------------------------------
Rights Certificates surrendered for the purpose of exercise, transfer, split up,
combination or exchange shall, if surrendered to the Company or any of its
agents, be delivered to the Rights Agent for cancellation or in canceled form,
or, if surrendered to the Rights Agent, shall be canceled by it, 

                                       10
<PAGE>
 
and no Rights Certificates shall be issued in lieu thereof except as expressly
permitted by any of the provisions of this Agreement. The Company shall deliver
to the Rights Agent for cancellation and retirement, and the Rights Agent shall
so cancel and retire, any other Rights Certificate purchased or acquired by the
Company otherwise than upon the exercise thereof. The Rights Agent shall deliver
all canceled Rights Certificates to the Company, or shall, at the written
request of the Company, destroy such canceled Rights Certificates, and in such
case shall deliver a certificate of destruction thereof to the Company.

   Section 9.  Reservation and Availability of Capital Stock.
               ----------------------------------------------


          (a)  The Company covenants and agrees that it will cause to be
reserved and kept available out of its authorized and unissued shares of
Preferred Stock (and, following the occurrence of a Triggering Event, out of its
authorized and unissued shares of Common Stock and/or other securities or out of
its authorized and issued shares held in its treasury), the number of shares of
Preferred Stock (and, following the occurrence of a Triggering Event, Common
Stock and/or other securities) that, as provided in this Agreement including
Section 11(a)(iii) hereof, will be sufficient to permit the exercise in full of
all outstanding Rights.

          (b)  So long as the shares of Preferred Stock (and, following the
occurrence of a Triggering Event, Common Stock and/or other securities) issuable
and deliverable upon the exercise of the Rights may be listed on any national
securities exchange or quoted on an automated quotation system, the Company
shall use its best efforts to cause, from and after such time as the Rights
become exercisable, all shares reserved for such issuance to be listed on such
exchange or quoted on such automated quotation system upon official notice of
issuance upon such exercise.

          (c)  The Company shall use its best efforts to (i) file, as soon as
practicable following the earliest date after the first occurrence of a Section
11(a)(ii) Event on which the consideration to be delivered by the Company upon
exercise of the Rights has been determined in accordance with Section 11(a)(iii)
hereof, or as soon as is required by law following the Distribution Date, as the
case may be, a registration statement under the Securities Act, with respect to
the securities purchasable upon exercise of the Rights on an appropriate form,
(ii) cause such registration statement to become effective as soon as
practicable after such filing, and (iii) cause such registration statement to
remain effective (with a prospectus at all times meeting the requirements of
such Act) until the earlier of (A) the date as of which the Rights are no longer
exercisable for such securities, and (B) the date of the expiration of the
Rights. The Company will also take such action as may be appropriate under, or
to ensure compliance with, the securities or "blue sky" laws of the various
states in connection with the exercisability of the Rights. The Company may
temporarily suspend, for a period of time not to exceed ninety (90) days after
the date set forth in clause (i) of the first sentence of this Section 9(c), the
exercisability of the Rights in order to prepare and file such registration
statement and permit it to become effective. Upon any such suspension, the
Company shall issue a public announcement stating that the exercisability of the
Rights has been temporarily suspended, as well as a public announcement at such
time as the suspension is no longer in effect. Notwithstanding any provision of
this Agreement to the contrary, the Rights shall not be exercisable in any
jurisdiction if the requisite 

                                       11
<PAGE>
 
qualification in such jurisdiction shall not have been obtained, the exercise
thereof shall not be permitted under applicable law or a registration statement
shall not have been declared effective.

          (d)  The Company covenants and agrees that it will take all such
action as may be necessary to ensure that all one one-hundredths of a share of
Preferred Stock (and, following the occurrence of a Triggering Event, Common
Stock and/or other securities) delivered upon exercise of Rights shall, at the
time of delivery of the certificates for such shares (subject to payment of the
Purchase Price), be duly and validly authorized and issued and fully paid and
nonassessable.

          (e)  The Company further covenants and agrees that it will pay when
due and payable any and all federal and state transfer taxes and charges which
may be payable in respect of the issuance or delivery of the Rights Certificates
and of any certificates for a number of one one-hundredths of a share of
Preferred Stock (or Common Stock and/or other securities, as the case may be)
upon the exercise of Rights. The Company shall not, however, be required to pay
any transfer tax which may be payable in respect of any transfer or delivery of
Rights Certificates to a Person other than, or the issuance or delivery of a
number of one one-hundredths of a share of Preferred Stock (or Common Stock
and/or other securities, as the case may be) in respect of a name other than
that of, the registered holder of the Rights Certificates evidencing Rights
surrendered for exercise or to issue or deliver any certificates for a number of
one one-hundredths of a share of Preferred Stock (or Common Stock and/or other
securities, as the case may be) in a name other than that of the registered
holder upon the exercise of any Rights until such tax shall have been paid (any
such tax being payable by the holder of such Rights Certificates at the time of
surrender) or until it has been established to the Company's satisfaction that
no such tax is due.

  Section 10.  Preferred Stock Record Date.  Each person in whose name
               ---------------------------
any certificate for a number of one one-hundredths of a share of Preferred Stock
(or Common Stock and/or other securities, as the case may be) is issued upon the
exercise of Rights shall for all purposes be deemed to have become the holder of
record of such fractional shares of Preferred Stock (or Common Stock and/or
other securities, as the case may be) represented thereby on, and such
certificate shall be dated, the date upon which the Rights Certificate
evidencing such Rights was duly surrendered and payment of the Purchase Price
(and all applicable transfer taxes) was made; provided, however, that if the
date of such surrender and payment is a date upon which the Preferred Stock (or
Common Stock and/or other securities, as the case may be) transfer books of the
Company are closed, such Person shall be deemed to have become the record holder
of such shares (fractional or otherwise) on, and such certificate shall be
dated, the next succeeding Business Day on which the Preferred Stock (or Common
Stock and/or other securities, as the case may be) transfer books of the Company
are open.  Prior to the exercise of the Rights evidenced thereby, the holder of
a Rights Certificate shall not be entitled to any rights of a stockholder of the
Company with respect to shares for which the Rights shall be exercisable,
including, without limitation, the right to vote, to receive dividends or other
distributions or to exercise any preemptive rights, and shall not be entitled to
receive any notice of any proceedings of the Company, except as provided herein.

  Section 11.  Adjustment of Purchase Price, Number and Kind of Shares
               -------------------------------------------------------
or Number of Rights.  The Purchase Price, the number and kind of shares covered
- -------------------
by each Right and 

                                       12
<PAGE>
 
the number of Rights outstanding are subject to adjustment from time to time as
provided in this Section 11.

          (a) (i) In the event the Company shall at any time after the date of
this Agreement (A) declare a dividend on the Preferred Stock payable in shares
of Preferred Stock, (B) subdivide the outstanding Preferred Stock, (C) combine
the outstanding Preferred Stock into a smaller number of shares, or (D) issue
any shares of its capital stock in a reclassification of the Preferred Stock
(including any such reclassification in connection with a consolidation or
merger in which the Company is the continuing or surviving corporation), except
as otherwise provided in this Section 11(a) and Section 7(e) hereof, the
Purchase Price in effect at the time of the record date for such dividend or of
the effective date of such subdivision, combination or reclassification, and the
number and kind of shares of Preferred Stock or capital stock, as the case may
be, issuable on such date, shall be proportionately adjusted so that the holder
of any Right exercised after such time shall be entitled to receive, upon
payment of the Purchase Price then in effect, the aggregate number and kind of
shares of Preferred Stock or capital stock, as the case may be, which, if such
Right had been exercised immediately prior to such date and at a time when the
Preferred Stock transfer books of the Company were open, he would have owned
upon such exercise and been entitled to receive by virtue of such dividend,
subdivision, combination or reclassification. If an event occurs which would
require an adjustment under both this Section 11(a)(i) and 11(a)(ii) and hereof,
the adjustment provided for in this Section 11(a)(i) shall be in addition to,
and shall be made prior to, any adjustment required pursuant to Section
11(a)(ii) hereof.

              (ii) In the event

              (A) (1) any Acquiring Person or any Associate or Affiliate of any
     Acquiring Person, at any time after the date of this Agreement, directly or
     indirectly, shall merge into the Company or otherwise combine with the
     Company and the Company shall be the continuing or surviving corporation of
     such merger or combination and the Common Stock of the Company shall remain
     outstanding and unchanged, or (2) subject to the right of redemption
     granted in Section 24 hereof, any Person (other than the Company, any
     Subsidiary of the Company, any employee benefit plan of the Company or of
     any Subsidiary of the Company, or any Person or entity organized, appointed
     or established by the Company for or pursuant to the terms of any such
     plan), alone or together with its Affiliates and Associates, shall, at any
     time after the Rights Dividend Declaration Date, become an Acquiring
     Person, other than pursuant to any transaction set forth in Section 13(a)
     hereof, or pursuant to an offer for all outstanding shares of Common Stock
     at a price and upon such terms and conditions as a majority of the Board of
     Directors determines to be in the best interests of the Company and its
     stockholders, other than such Acquiring Person, its Affiliates and its
     Associates, or

              (B) during such time as there is an Acquiring Person, there shall
     be any reclassification of securities (including any reverse stock split),
     or recapitalization of the Company, or any merger or consolidation of the
     Company with any of its Subsidiaries or any other transaction or series of
     transactions involving the Company or any of its Subsidiaries, other than a
     transaction or transactions to which the provisions of Section 13(a) apply
     (whether or not with or into or otherwise involving an Acquiring Person)
     which has the effect, directly or indirectly, of increasing by more than 1%
     the 

                                       13
<PAGE>
 
     proportionate share of the outstanding shares of any class of equity
     securities of the Company or any of its Subsidiaries which is directly or
     indirectly beneficially owned by any Acquiring Person or any Associate or
     Affiliate of any Acquiring Person,

then, promptly following the occurrence of a Section 11(a)(ii) Event, the
Company and, to the extent necessary or appropriate, the Acquiring Person and
its Affiliates and Associates, shall make proper provision so that each holder
of a Right (except as provided below and in Section 7(e) hereof) shall
thereafter have the right to receive, upon exercise thereof at the then current
Purchase Price in accordance with the terms of this Agreement, in lieu of a
number of one one-hundredths of a share of Preferred Stock, such number of
shares of Common Stock of the Company as shall equal the result obtained by (x)
multiplying the then current Purchase Price by the then number of one one-
hundredths of a share of Preferred Stock for which a Right was exercisable
immediately prior to the first occurrence of a Section 11(a)(ii) Event, and (y)
dividing that product (which, following such first occurrence, shall thereafter
be referred to as the "Purchase Price" for each Right and for all purposes of
this Agreement) by 50% of the current market price (determined pursuant to
Section 11(d) hereof) per share of Common Stock on the date of such first
occurrence (such number of shares, the "Adjustment Shares").

              (iii) In the event that the number of shares of Common Stock which
are authorized by the Certificate of Incorporation but not outstanding or
reserved for issuance for purposes other than upon exercise of the Rights are
not sufficient to permit the exercise in full of the Rights in accordance with
the foregoing subparagraph (ii) of this Section 11(a), the Company shall: (A)
determine the excess of (1) the value of the Adjustment Shares issuable upon the
exercise of a Right (the "Current Value") over (2) the Purchase Price (such
excess, the "Spread"), and (B) with respect to each Right (subject to Section
7(e) hereof), make adequate provision to substitute for the Adjustment Shares,
upon payment of the applicable Purchase Price, (1) cash, (2) a reduction in the
Purchase Price, (3) Common Stock or other equity securities of the Company
(including, without limitation, shares or units of shares, of preferred stock
which the Board of Directors of the Company has deemed to have the same value as
shares of Common Stock (such shares of preferred stock, "common stock
equivalents")), (4) debt securities of the Company, (5) other assets, or (6) any
combination of the foregoing, having an aggregate value equal to the Current
Value, where such aggregate value has been determined by the Board of Directors
of the Company based upon the advice of a nationally recognized investment
banking firm selected by the Board of Directors of the Company; provided,
                                                                --------
however, if the Company shall not have made adequate provision to deliver the
value pursuant to clause (B) above within thirty (30) days following the later
of (x) the first occurrence of a Section 11(a)(ii) Event and (y) the date on
which the Company's right of redemption pursuant to Section 24(a) expires (the
later of (x) and (y) being referred to herein as the "Section 11(a)(ii) Trigger
Date"), then the Company shall be obligated to deliver, upon the surrender for
exercise of a Right and without requiring payment of the Purchase Price, shares
of Common Stock (to the extent available) and then, if necessary, cash, which
shares and/or cash have an aggregate value equal to the Spread. If the Board of
Directors of the Company shall determine in good faith that it is likely that
sufficient additional shares of Common Stock could be authorized for issuance
upon exercise in full of the Rights, the thirty (30) day period set forth above
may be extended to the extent necessary, but not more than ninety (90) days
after the Section 11(a)(ii) Trigger Date, in order that the Company may seek
stockholder approval for the authorization of such additional shares 

                                       14
<PAGE>
 
(such period, as it may be extended, the "Substitution Period"). To the extent
that the Company determines that some action need be taken pursuant to the first
and/or second sentences of this Section 11(a)(iii), the Company (x) shall
provide, subject to Section 7(e) hereof, that such action shall apply uniformly
to all outstanding Rights, and (y) may suspend the exercisability of the Rights
until the expiration of the Substitution Period in order to seek any
authorization of additional shares and/or to decide the appropriate form of
distribution to be made pursuant to such first sentence and to determine the
value thereof. In the event of any such suspension, the Company shall issue a
public announcement stating that the exercisability of the Rights has been
temporarily suspended, as well as a public announcement at such time as the
suspension is no longer in effect. For purposes of this Section 11(a)(iii), the
value of the Common Stock shall be the current market price (as determined
pursuant to Section 11(d) hereof) per share of the Common Stock on the Section
11(a)(ii) Trigger Date and the value of any "common stock equivalent" shall be
deemed to have the same value as the Common Stock on such date.

              (b)  In case the Company shall fix a record date for the issuance
of rights, options or warrants to all holders of Preferred Stock entitling them
to subscribe for or purchase (for a period expiring within forty-five (45)
calendar days after such record date) Preferred Stock (or shares having the same
rights, privileges and preferences as the shares of Preferred Stock ("equivalent
preferred stock")) or securities convertible into Preferred Stock or equivalent
preferred stock at a price per share of Preferred Stock or per share of
equivalent preferred stock (or having a conversion price per share, if a
security convertible into Preferred Stock or equivalent preferred stock) less
than the current market price (as determined pursuant to Section 11(d) hereof)
per share of Preferred Stock on such record date, the Purchase Price to be in
effect after such record date shall be determined by multiplying the Purchase
Price in effect immediately prior to such record date by a fraction, the
numerator of which shall be the number of shares of Preferred Stock outstanding
on such record date, plus the number of shares of Preferred Stock which the
aggregate offering price of the total number of shares of Preferred Stock and/or
equivalent preferred stock so to be offered (and/or the aggregate initial
conversion price of the convertible securities so to be offered) would purchase
at such current market price, and the denominator of which shall be the number
of shares of Preferred Stock outstanding on such record date, plus the number of
additional shares of Preferred Stock and/or equivalent preferred stock to be
offered for subscription or purchase (or into which the convertible securities
so to be offered are initially convertible). In case such subscription price may
be paid by delivery of consideration part or all of which may be in a form other
than cash, the value of such consideration shall be as determined in good faith
by the Board of Directors of the Company, whose determination shall be described
in a statement filed with the Rights Agent and shall be binding on the Rights
Agent and the holders of the Rights. Shares of Preferred Stock owned by or held
for the account of the Company shall not be deemed outstanding for the purpose
of any such computation. Such adjustment shall be made successively whenever
such a record date is fixed, and in the event that such rights or warrants are
not so issued, the Purchase Price shall be adjusted to be the Purchase Price
which would then be in effect if such record date had not been fixed.

              (c)  In case the Company shall fix a record date for a
distribution to all holders of Preferred Stock (including any such distribution
made in connection with a consolidation or merger in which the Company is the
continuing corporation) of evidences of indebtedness, cash (other than a regular
quarterly cash dividend out of the earnings or retained 

                                       15
<PAGE>
 
earnings of the Company), assets (other than a dividend payable in Preferred
Stock, but including any dividend payable in stock other than Preferred Stock)
or subscription rights or warrants (excluding those referred to in Section 11(b)
hereof), the Purchase Price to be in effect after such record date shall be
determined by multiplying the Purchase Price in effect immediately prior to such
record date by a fraction, the numerator of which shall be the current market
price (as determined pursuant to Section 11(d) hereof) per share of Preferred
Stock on such record date, less the fair market value (as determined in good
faith by the Board of Directors of the Company, whose determination shall be
described in a statement filed with the Rights Agent) of the portion of the
cash, assets or evidences of indebtedness so to be distributed or of such
subscription rights or warrants applicable to a share of Preferred Stock and the
denominator of which shall be such current market price (as determined pursuant
to Section 11(d) hereof) per share of Preferred Stock. Such adjustments shall be
made successively whenever such a record date is fixed, and in the event that
such distribution is not so made, the Purchase Price shall be adjusted to be the
Purchase Price which would have been in effect if such record date had not been
fixed.

              (d) (i) For the purpose of any computation hereunder, other than
computations made pursuant to Section 11(a)(iii) hereof, the "current market
price" per share of Common Stock on any date shall be deemed to be the average
of the daily closing prices per share of such Common Stock for the thirty (30)
consecutive Trading Days (as such term is hereinafter defined) immediately prior
to such date, and for purposes of computations made pursuant to Section
11(a)(iii) hereof, the "current market price" per share of Common Stock on any
date shall be deemed to be the average of the daily closing prices per share of
such Common Stock for the ten (10) consecutive Trading Days immediately
following such date; provided, however, that in the event that the current
                     --------
market price per share of the Common Stock is determined during a period
following the announcement by the issuer of such Common Stock of (A) a dividend
or distribution on such Common Stock payable in shares of such Common Stock of
securities convertible into shares of such Common Stock (other than the Rights),
or (B) any subdivision, combination or reclassification of such Common Stock,
and prior to the expiration of the requisite thirty (30) Trading Day or ten (10)
Trading Day period, as set forth above, after the ex-dividend date for such
dividend or distribution, or the record date for such subdivision, combination
or reclassification, then, and in each such case, the "current market price"
shall be properly adjusted to take into account ex-dividend trading. The closing
price for each day shall be the last sale price, regular way, or, in case no
such sale takes place on such day, the average of the closing bid and asked
prices, regular way, in either case as reported in the principal consolidated
transaction reporting system with respect to securities listed or admitted to
trading by the New York Stock Exchange or, if the shares of Common Stock are not
listed or admitted to trading on the New York Stock Exchange, as reported in the
principal consolidated transaction reporting system with respect to securities
listed on the principal national securities exchange on which the shares of
Common Stock are listed or admitted to trading or, if the shares of Common Stock
are not listed or admitted to trading on any national securities exchange, the
last quoted price or, if not so quoted, the average of the high bid and low
asked prices in the over-the-counter market, as reported by the National
Association of Securities Dealers, Inc. Automated Quotation System ("NASDAQ") or
such other system then in use, or, if on any such date the shares of Common
Stock are not quoted by any such organization, the average of the closing bid
and asked prices as furnished by a professional market maker making a market in
the Common Stock selected by the Board of Directors of the Company. If on any
such date no market maker is making a market in the Common Stock, the fair value
of such shares on such date as determined in good faith by the 

                                       16
<PAGE>
 
Board of Directors of the Company shall be used. The term "Trading Day" shall
mean a day on which the principal national securities exchange on which the
shares of Common Stock are listed or admitted to trading is open for the
transaction of business or, if the shares of Common Stock are not listed or
admitted to trading on any national securities exchange, a Business Day. If the
Common Stock is not publicly held or not so listed or traded, "current market
price" per share shall mean the fair value per share as determined in good faith
by the Board of Directors of the Company, whose determination shall be described
in a statement filed with the Rights Agent and shall be conclusive for all
purposes.

                (ii) For the purpose of any computation hereunder, the "current
market price" per share of Preferred Stock shall be determined in the same
manner as set forth above for the Common Stock in clause (i) of this Section
11(d) (other than the last sentence thereof). If the current market price per
share of Preferred Stock cannot be determined in the manner provided above or if
the Preferred Stock is not publicly held or listed or traded in a manner
described in clause (i) of this Section 11(d), the "current market price" per
share of Preferred Stock shall be conclusively deemed to be an amount equal to
100 (as such number may be appropriately adjusted for such events as stock
splits, stock dividends and recapitalizations with respect to the Common Stock
occurring after the date of this Agreement) multiplied by the current market
price per share of the Common Stock. If neither the Common Stock nor the
Preferred Stock is publicly held or so listed or traded, "current market price"
per share of the Preferred Stock shall mean the fair value per share as
determined in good faith by the Board of Directors of the Company, whose
determination shall be described in a statement filed with the Rights Agent and
shall be conclusive for all purposes. For all purposes of this Agreement, the
"current market price" of one one-hundredth of a share of Preferred Stock shall
be equal to the "current market price" of one share of Preferred Stock divided
by 100.

              (e)  Anything herein to the contrary notwithstanding, no
adjustment in the Purchase Price shall be required unless such adjustment would
require an increase or decrease of at least one percent (1%) in the Purchase
Price; provided, however, that any adjustments which by reason of this Section
11(e) are not required to be made shall be carried forward and taken into
account in any subsequent adjustment. All calculations under this Section 11
shall be made to the nearest cent or to the nearest ten-thousandth of a share of
Common Stock or other share or one-millionth of a share of Preferred Stock, as
the case may be. Notwithstanding the first sentence of this Section 11(e), any
adjustment required by this Section 11 shall be made no later than the earlier
of (i) three (3) years from the date of the transaction which mandates such
adjustment, or (ii) or the Expiration Date.

              (f)  If as a result of an adjustment made pursuant to Section
11(a)(ii) or Section 13(a) hereof, the holder of any Right thereafter exercised
shall become entitled to receive any shares of capital stock other than
Preferred Stock, thereafter the number of such other shares so receivable upon
exercise of any Right and the Purchase Price thereof shall be subject to
adjustment from time to time in a manner and on terms as nearly equivalent as
practicable to the provisions with respect to the Preferred Stock contained in
Sections 11(a), (b), (c), (e), (g), (h), (i), (j), (k) and (m), and the
provisions of Sections 7, 9, 10, 13 and 14 hereof with respect to the Preferred
Stock shall apply on like terms to any such other shares.

              (g)  All Rights originally issued by the Company subsequent to any
adjustment made to the Purchase Price hereunder shall evidence the right to
purchase, at the 

                                       17
<PAGE>
 
adjusted Purchase Price, the number of one one-hundredths of a share of
Preferred Stock purchasable from time to time hereunder upon exercise of the
Rights, all subject to further adjustment as provided herein.

              (h)  Unless the Company shall have exercised its election as
provided in Section 11(i), upon each adjustment of the Purchase Price as a
result of the calculations made in Sections 11(b) and (c), each Right
outstanding immediately prior to the making of such adjustment shall thereafter
evidence the right to purchase, at the adjusted Purchase Price, that number of
one one-hundredths of a share of Preferred Stock (calculated to the nearest one-
millionth) obtained by (i) multiplying (x) the number of one one-hundredths of a
share covered by a Right immediately prior to this adjustment, by (y) the
Purchase Price in effect immediately prior to such adjustment of the Purchase
Price, and (ii) dividing the product so obtained by the Purchase Price in effect
immediately after such adjustment of the Purchase Price.

              (i)  The Company may elect on or after the date of any adjustment
of the Purchase Price to adjust the number of Rights, in lieu of any adjustment
in the number of one one-hundredths of a share of Preferred Stock purchasable
upon the exercise of a Right. Each of the Rights outstanding after the
adjustment in the number of Rights shall be exercisable for the number of one
one-hundredths of a share of Preferred Stock for which a Right was exercisable
immediately prior to such adjustment. Each Right held of record prior to such
adjustment of the number of Rights shall become that number of Rights
(calculated to the nearest one-ten-thousandth) obtained by dividing the Purchase
Price in effect immediately prior to adjustment of the Purchase Price by the
Purchase Price in effect immediately after adjustment of the Purchase Price. The
Company shall make a public announcement of its election to adjust the number of
Rights, indicating the record date for the adjustment, and, if known at the
time, the amount of the adjustment to be made. This record date may be the date
on which the Purchase Price is adjusted or any day thereafter, but, if the
Rights Certificates have been issued, shall be at least ten (10) days later than
the date of the public announcement. If Rights Certificates have been issued,
upon each adjustment of the number of Rights pursuant to this Section 11(i), the
Company shall, as promptly as practicable, cause to be distributed to holders of
record of Rights Certificates on such record date Rights Certificates
evidencing, subject to Section 14 hereof, the additional Rights to which such
holders shall be entitled as a result of such adjustment, or, at the option of
the Company, shall cause to be distributed to such holders of record in
substitution and replacement for the Rights Certificates held by such holders
prior to the date of adjustment, and upon surrender thereof, if required by the
Company, new Rights Certificates evidencing all the Rights to which such holders
shall be entitled after such adjustment. Rights Certificates so to be
distributed shall be issued, executed and countersigned in the manner provided
for herein (and may bear, at the option of the Company, the adjusted Purchase
Price) and shall be registered in the names of the holders of record of Rights
Certificates on the record date specified in the public announcement.

              (j)  Irrespective of any adjustment or change in the Purchase
Price or the number of one one-hundredths of a share of Preferred Stock issuable
upon the exercise of the Rights, the Rights Certificates issued may continue to
express the Purchase Price per one one-hundredth of a share and the number of
one one-hundredths of a share which were expressed in the initial Rights
Certificates issued hereunder.

                                       18
<PAGE>
 
              (k)  Before taking any action that would cause an adjustment
reducing the Purchase Price below the then stated value, if any, of the number
of one one-hundredths of a share of Preferred Stock issuable upon exercise of
the Rights, the Company shall take any corporate action which may, in the
opinion of its counsel, be necessary in order that the Company may validly and
legally issue fully paid and nonassessable such number of one one-hundredths of
a share of Preferred Stock at such adjusted Purchase Price.

              (l)  In any case in which this Section 11 shall require that an
adjustment in the Purchase Price be made effective as of a record date for a
specified event, the Company may elect to defer until the occurrence of such
event the issuance to the holder of any Right exercised after such record date
the number of one one-hundredths of a share of Preferred Stock and other capital
stock or securities of the Company, if any, issuable upon such exercise over and
above the number of one one-hundredths of a share of Preferred Stock and other
capital stock or securities of the Company, if any, issuable upon such exercise
on the basis of the Purchase Price in effect prior to such adjustment; provided,
                                                                       --------
however, that the Company shall deliver to such holder a due bill or other
appropriate instrument evidencing such holder's right to receive such additional
shares (fractional or otherwise) or securities upon the occurrence of the event
requiring such adjustment.

              (m)  Anything in this Section 11 to the contrary notwithstanding,
the Company shall be entitled to make such reductions in the Purchase Price, in
addition to those adjustments expressly required by this Section 11, as and to
the extent that in their good faith judgment the Board of Directors of the
Company shall determine to be advisable in order that any (i) consolidation or
subdivision of the Preferred Stock, (ii) issuance wholly for cash of any shares
of Preferred Stock at less than the current market price, (iii) issuance wholly
for cash of shares of Preferred Stock or securities which by their terms are
convertible into or exchangeable for shares of Preferred Stock, (iv) stock
dividends, or (v) issuance of rights, options or warrants referred to in this
Section 11, hereafter made by the Company to holders of its Preferred Stock
shall not be taxable to such stockholders.

              (n)  The Company covenants and agrees that it shall not, at any
time after the Distribution Date, (i) consolidate with any other Person (other
than a Subsidiary of the Company in a transaction which complies with Section
11(o) hereof), (ii) merge with or into any other Person (other than a Subsidiary
of the Company in a transaction which complies with Section 11(o) hereof), or
(iii) sell or transfer (or permit any Subsidiary to sell or transfer), in one
transaction, or a series of related transactions, assets or earning power
aggregating more than 50% of the assets or earning power of the Company and its
Subsidiaries (taken as a whole) to any other Person or Persons (other than the
Company and/or any of its Subsidiaries in one or more transactions each of which
complies with Section 11(o) hereof), if (x) at the time of or immediately after
such consolidation, merger or sale there are any rights, warrants or other
instruments or securities outstanding or agreements in effect which would
substantially diminish or otherwise eliminate the benefits intended to be
afforded by the Rights, or (y) prior to, simultaneously with or immediately
after such consolidation, merger or sale, the stockholders of the Person who
constitutes, or would constitute, the "Principal Party" for purposes of Section
13(a) hereof shall have received a distribution of Rights previously owned by
such Person or any of its Affiliates and Associates.

                                       19
<PAGE>
 
              (o)  The Company covenants and agrees that, after the Distribution
Date, it will not, except as permitted by Section 24 or Section 27 hereof, take
(or permit any Subsidiary to take) any action if at the time such action is
taken it is reasonably foreseeable that such action will diminish substantially
or otherwise eliminate the benefits intended to be afforded by the Rights.

              (p)  Anything in this Agreement to the contrary notwithstanding,
in the event that the Company shall at any time after the Rights Dividend
Declaration Date and prior to the Distribution Date (i) declare a dividend on
the outstanding shares of Common Stock payable in shares of Common Stock, (ii)
subdivide the outstanding shares of Common Stock, or (iii) combine the
outstanding shares of Common Stock into a smaller number of shares, the number
of Rights associated with each share of Common Stock then outstanding, or issued
or delivered thereafter but prior to the Distribution Date, shall be
proportionately adjusted so that the number of Rights thereafter associated with
each share of Common Stock following any such event shall equal the result
obtained by multiplying the number of Rights associated with each share of
Common Stock immediately prior to such event by a fraction the numerator of
which shall be the total number of shares of Common Stock outstanding
immediately prior to the occurrence of the event and the denominator of which
shall be the total number of shares of Common Stock outstanding immediately
following the occurrence of such event.

      Section 12.  Certificate of Adjusted Purchase Price or Number of Shares.
                   ----------------------------------------------------------
Whenever an adjustment is made as provided in Section 11 and Section 13 hereof,
the Company shall (a) promptly prepare a certificate setting forth such
adjustment and a brief statement of the facts accounting for such adjustment,
(b) promptly file with the Rights Agent, and with each transfer agent for the
Preferred Stock and the Common Stock, a copy of such certificate, and (c) mail
or cause the Rights Agent to mail a brief summary thereof to each holder of a
Rights Certificate (or, if prior to the Distribution Date, to each holder of a
certificate representing shares of Common Stock) in accordance with Section 26
hereof. The Rights Agent shall be fully protected in relying on any such
certificate and on any adjustment therein contained.

      Section 13.  Consolidation, Merger or Sale or Transfer of Assets or
                   ------------------------------------------------------
Earning Power.
- --------------
              (a)  In the event that, following the Stock Acquisition Date,
directly or indirectly, (x) the Company shall consolidate with, or merge with
and into, any other Person , and the Company shall not be the continuing or
surviving corporation of such consolidation or merger, (y) any Person shall
consolidate with, or merge with or into, the Company, and the Company shall be
the continuing or surviving corporation of such consolidation or merger and, in
connection with such consolidation or merger, all or part of the outstanding
shares of Common Stock shall be changed into or exchanged for stock or other
securities of any other Person or cash or any other property, or (z) the Company
shall sell or otherwise transfer (or one or more of its Subsidiaries shall sell
or otherwise transfer), in one transaction or a series of related transactions,
assets or earning power aggregating more than 50% of the assets or earning power
of the Company and its Subsidiaries (taken as a whole) to any Person or Persons,
then, and in each such case, the Company and the Principal Party (as such term
is herein defined) and its Affiliates and Associates shall make proper provision
so that: (i) each holder of a Right, except as provided in Section 7(e) hereof,
shall thereafter have the right to receive, upon the exercise thereof at the
then 

                                       20
<PAGE>
 
current Purchase Price in accordance with the terms of this Agreement, such
number of validly authorized and issued, fully paid, nonassessable and freely
tradeable shares of Common Stock of the Principal Party (as such term is
hereinafter defined), not subject to any liens, encumbrances, rights of first
refusal or other adverse claims, as shall be equal to the result obtained by (l)
multiplying the then current Purchase Price by the number of one one-hundredths
of a share of Preferred Stock for which a Right is exercisable immediately prior
to the first occurrence of a Section 13 Event (or, if a Section 11(a)(ii) Event
has occurred prior to the first occurrence of a Section 13 Event, multiplying
the number of such one one-hundredths of a share for which a Right was
exercisable immediately prior to the first occurrence of a Section 11(a)(ii)
Event by the Purchase Price in effect immediately prior to such first
occurrence), and dividing that product (which, following the first occurrence of
a Section 13 Event, shall be referred to as the "Purchase Price" for each Right
and for all purposes of this Agreement) by (2) 50% of the current market price
(determined pursuant to Section 11(d)(i) hereof) per share of the Common Stock
of such Principal Party on the date of consummation of such Section 13 Event;
(ii) such Principal Party shall thereafter be liable for, and shall assume, by
virtue of such Section 13 Event, all the obligations and duties of the Company
pursuant to this Agreement; (iii) the term "Company" shall thereafter be deemed
to refer to such Principal Party, it being specifically intended that the
provisions of Section 11 hereof shall apply only to such Principal Party
following the first occurrence of a Section 13 Event; (iv) such Principal Party
shall take such steps (including, but not limited to, the reservation of a
sufficient number of shares of its Common Stock) in connection with the
consummation of any such transactions as may be necessary to assure that the
provisions hereof shall thereafter be applicable, as nearly as reasonably may
be, in relation to its shares of Common Stock thereafter deliverable upon the
exercise of the Rights; and (v) the provisions of Section 11(a)(ii) hereof shall
be of no effect following the first occurrence of any Section 13 Event.

              (b)  "Principal Party" shall mean

                   (i)  in the case of any transaction described in clause (x)
or (y) of the first sentence of Section 13(a), the Person that is the issuer of
any securities into which shares of Common Stock of the Company are converted in
such merger or consolidation, and if no securities are so issued, the Person
that is the other party to such merger or consolidation; and


                   (ii) in the case of any transaction described in clause (z)
of the first sentence of Section 13(a), the Person that is the party receiving
the greatest portion of the assets or earning power transferred pursuant to such
transaction or transactions;


provided, however, that in any such case, (1) if the Common Stock of such Person
- --------
is not at such time and has not been continuously over the preceding twelve (12)
month period registered under Section 12 of the Exchange Act, and such Person is
a direct or indirect Subsidiary of another Person the Common Stock of which is
and has been so registered, "Principal Party" shall refer to such other Person;
and (2) in case such Person is a Subsidiary, directly or indirectly, of more
than one Person, the Common Stocks of two or more of which are and have been so
registered, "Principal Party" shall refer to whichever of such Persons is the
issuer of the Common Stock having the greatest aggregate market value.

                                       21
<PAGE>
 
              (c)  The Company shall not consummate any such consolidation,
merger, sale or transfer unless the Principal Party shall have a sufficient
number of authorized shares of its Common Stock which have not been issued or
reserved for issuance to permit the exercise in full of the Rights in accordance
with this Section 13 and unless prior thereto the Company and such Principal
Party shall have executed and delivered to the Rights Agent a supplemental
agreement providing for the terms set forth in paragraphs (a) and (b) of this
Section 13 and further providing that, as soon as practicable after the date of
any consolidation, merger or sale of assets mentioned in paragraph (a) of this
Section 13, the Principal Party will

                   (i)  prepare and file a registration statement under the Act,
with respect to the Rights and the securities purchasable upon exercise of the
Rights on an appropriate form, and will use its best efforts to cause such
registration statement to (A) become effective as soon as practicable after such
filing and (B) remain effective (with a prospectus at all times meeting the
requirements of the Act) until the Expiration Date; and

                   (ii) will deliver to holders of the Rights historical
financial statements for the Principal Party and each of its Affiliates which
comply in all respects with the requirements for registration on Form 10 under
the Exchange Act.


The provisions of this Section 13 shall similarly apply to successive mergers or
consolidations or sales or other transfers.  In the event that a Section 13
Event shall occur at any time after the occurrence of a Section 11(a)(ii) Event,
the Rights which have not been exercised shall thereafter become exercisable in
the manner described in Section 13(a).

      Section 14.  Fractional Rights and Fractional Shares.
                   ----------------------------------------

              (a)  The Company shall not be required to issue fractions of
Rights, except prior to the Distribution Date as provided in Section 11(p)
hereof, or to distribute Rights Certificates which evidence fractional Rights.
In lieu of such fractional Rights, there shall be paid to the registered holders
of the Rights Certificates with regard to which such fractional Rights would
otherwise be issuable, an amount in cash equal to the same fraction of the
current market value of a whole Right. For purposes of this Section 14(a), the
current market value of a whole Right shall be the closing price of the Rights
for the Trading Day immediately prior to the date on which such fractional
Rights would have been otherwise issuable. The closing price of the Rights for
any day shall be the last sale price, regular way, or, in case no such sale
takes place on such day, the average of the closing bid and asked prices,
regular way, in either case as reported in the principal consolidated
transaction reporting system with respect to securities listed or admitted to
trading on the New York Stock Exchange or, if the Rights are not listed or
admitted to trading on the New York Stock Exchange, as reported in the principal
consolidated transaction reporting system with respect to securities listed on
the principal national securities exchange on which the Rights are listed or
admitted to trading or, if the Rights are not listed or admitted to trading on
any national securities exchange, the last quoted price or, if not so quoted,
the average of the high bid and low asked prices in the over-the-counter market,
as reported by NASDAQ or such other system then in use or, if on any such date
the rights are not quoted by any such organization, the average of the closing
bid and asked prices as furnished by a professional market maker making a market
in the rights selected by the board of directors of the company. If on any such
date no

                                       22
<PAGE>
 
such market maker is making a market in the rights the fair value of the rights
on such date as determined in good faith by the board of directors of the
company shall be used.

              (b)  The Company shall not be required to issue fractions of
shares of Preferred Stock (other than fractions which are integral multiples of
one one-hundredth of a share of Preferred Stock, which may, at the option of the
Company, be evidenced by depository receipts) upon exercise of the Rights or to
distribute certificates which evidence fractional shares of Preferred Stock
(other than fractions which are integral multiples of one one-hundredth of a
share of Preferred Stock). In lieu of fractional shares of Preferred Stock that
are not integral multiples of one one-hundredth of a share of Preferred Stock,
the Company may pay to the registered holders of Rights Certificates at the time
such Rights are exercised as herein provided an amount in cash equal to the same
fraction of the current market value of one one-hundredth of a share of
Preferred Stock. For purposes of this Section 14(b), the current market value of
one one-hundredth of a share of Preferred Stock shall be one one-hundredth of
the closing price of a share of Preferred Stock (as determined pursuant to
Section 11(d)(ii) hereof) for the Trading Day immediately prior to the date of
such exercise.

              (c)  Following the occurrence of a Triggering Event, the Company
shall not be required to issue fractions of shares of Common Stock upon exercise
of the Rights or upon any exchange of Rights pursuant to Section 23 hereof, or
to distribute certificates which evidence fractional shares of Common Stock. In
lieu of fractional shares of Common Stock, the Company may pay to the registered
holders of Rights Certificates at the time such Rights are exercised as herein
provided (or at the time such Rights are exchanged as provided in Section 23
hereof, as the case may be) an amount in cash equal to the same fraction of the
current market value of one (1) share of Common Stock. For purposes of this
Section 14(c), the current market value of one share of Common Stock shall be
the closing price of one share of Common Stock (as determined pursuant to
Section 11(d)(i) hereof) for the Trading Day immediately prior to the date of
such exercise.

              (d)  The holder of a Right by the acceptance of the Rights
expressly waives his right to receive any fractional Rights or any fractional
shares upon exercise of a Right, except as permitted by this Section 14.

      Section 15.  Rights of Action.  All rights of action in respect of
                   ----------------
this Agreement, except the rights of action given to the Rights Agent under
Section 18 hereof, are vested in the respective registered holders of the Rights
Certificates (and, prior to the Distribution Date, the registered holders of the
Common Stock); and any registered holder of any Rights Certificate (or, prior to
the Distribution Date, of the Common Stock), without the consent of the Rights
Agent or of the holder of any other Rights Certificate (or, prior to the
Distribution Date, of the Common Stock), may, in his own behalf and for his own
benefit, enforce, and may institute and maintain any suit, action or proceeding
against the Company to enforce, or otherwise act in respect of, his right to
exercise the Rights evidenced by such Rights Certificate in the manner provided
in such Rights Certificate and in this Agreement. Without limiting the foregoing
or any remedies available to the holders of Rights, it is specifically
acknowledged that the holders of Rights would not have an adequate remedy at law
for any breach of this Agreement and shall be entitled to specific performance
of the obligations hereunder and injunctive relief against actual or threatened

                                       23
<PAGE>
 
violations of the obligations hereunder of any Person (including, without
limitation, the Company) subject to this Agreement.

      Section 16.  Agreement of Rights Holders.  Every holder of a Right by
                   ---------------------------
accepting the same consents and agrees with the Company and the Rights Agent and
with every other holder of a Right that:

              (a)  prior to the Distribution Date, the Rights will be
transferable only in connection with the transfer of Common Stock;

              (b)  after the Distribution Date, the Rights Certificates are
transferable only on the registry books of the Rights Agent if surrendered at
the principal office or offices of the Rights Agent designated for such
purposes, duly endorsed or accompanied by a proper instrument of transfer and
with the appropriate forms and certificates fully executed;

              (c)  subject to Section 6(a) and Section 7(f) hereof, the Company
and the Rights Agent may deem and treat the person in whose name a Rights
Certificate (or, prior to the Distribution Date, the associated Common Stock
certificate) is registered as the absolute owner thereof and of the Rights
evidenced thereby (notwithstanding any notations of ownership or writing on the
Rights Certificates or the associated Common Stock certificate made by anyone
other than the Company or the Rights Agent) for all purposes whatsoever, and
neither the Company nor the Rights Agent, subject to the last sentence of
Section 7(e) hereof, shall be required to be affected by any notice to the
contrary; and

              (d)  notwithstanding anything in this Agreement to the contrary,
neither the Company nor the Rights Agent shall have any liability to any holder
of a Right or other person as a result of its inability to perform any of its
obligations under this Agreement by reason of any preliminary or permanent
injunction or other order, decree or ruling issued by a court of competent
jurisdiction or by a governmental, regulatory or administrative agency or
commission, or any statute, rule, regulation or executive order promulgated or
enacted by any governmental authority, prohibiting or otherwise restraining
performance of such obligation; provided, however, the Company must use its best
                                --------
efforts to have any such order, decree or ruling lifted or otherwise overturned
as soon as possible.

      Section 17.  Rights Certificate Holder Not Deemed a Stockholder.  No
                   --------------------------------------------------
holder, as such, of any Rights Certificate shall be entitled to vote, receive
dividends or be deemed for any purpose the holder of the number of one one-
hundredths of a share of Preferred Stock or any other securities of the Company
which may at any time be issuable on the exercise of the Rights represented
thereby, nor shall anything contained herein or in any Rights Certificate be
construed to confer upon the holder of any Rights Certificate, as such, any of
the rights of a stockholder of the Company or any right to vote for the election
of directors or upon any matter submitted to stockholders at any meeting
thereof, or to give or withhold consent to any corporate action, or to receive
notice of meetings or other actions affecting stockholders (except as provided
in Section 25 hereof), or to receive dividends or subscription rights, or
otherwise, until the Right or Rights evidenced by such Rights Certificate shall
have been exercised in accordance with the provisions hereof.

                                       24
<PAGE>
 
      Section 18.  Concerning the Rights Agent.
                   ----------------------------

              (a)  The Company agrees to pay to the Rights Agent reasonable
compensation for all services rendered by it hereunder in accordance with a fee
schedule to be mutually agreed upon and, from time to time, on demand of the
Rights Agent, its reasonable expenses and counsel fees and disbursements and
other disbursements incurred in the administration and execution of this
Agreement and the exercise and performance of its duties hereunder. The Company
also agrees to indemnify the Rights Agent for, and to hold it harmless against,
any loss, liability, or expense, incurred without negligence, bad faith or
willful misconduct on the part of the Rights Agent, for anything done or omitted
by the Rights Agent in connection with the acceptance and administration of this
Agreement, including the costs and expenses of defending against any claim of
liability in the premises.

              (b)  In no case will the Rights Agent be liable for special,
indirect, incidental or consequential loss or damage of any kind whatsoever,
even if the Rights Agent has been advised of the likelihood of such loss or
damage.

              (c)  The Rights Agent shall be protected and shall incur no
liability for or in respect of any action taken, suffered or omitted by it in
connection with its administration of this Agreement in reliance upon any Rights
Certificate or certificate for Common Stock or for other securities of the
Company, instrument of assignment or transfer, power of attorney, endorsement,
affidavit, letter, notice, direction, consent, certificate, statement, or other
paper or document believed by it to be genuine and to be signed, executed and,
where necessary, verified or acknowledged, by the proper Person or Persons.

      Section 19.  Merger or Consolidation or Change of Name of Rights
                   ---------------------------------------------------
Agent.
- -----

              (a)  Any corporation into which the Rights Agent or any successor
Rights Agent may be merged or with which it may be consolidated, or any
corporation resulting from any merger or consolidation to which the Rights Agent
or any successor Rights Agent shall be a party, or any corporation succeeding to
the corporate trust or stock transfer business of the Rights Agent or any
successor Rights Agent, shall be the successor to the Rights Agent under this
Agreement without the execution or filing of any paper or any further act on the
part of any of the parties hereto; provided, however, that such corporation
                                   --------
would be eligible for appointment as a successor Rights Agent under the
provisions of Section 21 hereof. In case at the time such successor Rights Agent
shall succeed to the agency created by this Agreement, any of the Rights
Certificates shall have been countersigned but not delivered, any such successor
Rights Agent may adopt the countersignature of a predecessor Rights Agent and
deliver such Rights Certificates so countersigned; and in case at that time any
of the Rights Certificates shall not have been countersigned, any successor
Rights Agent may countersign such Rights Certificates either in the name of the
predecessor or in the name of the successor Rights Agent; and in all such cases
such Rights Certificates shall have the full force provided in the Rights
Certificates and in this Agreement.

              (b)  In case at any time the name of the Rights Agent shall be
changed and at such time any of the Rights Certificates shall have been
countersigned but not delivered, the Rights Agent may adopt the countersignature
under its prior name and deliver Rights Certificates so countersigned; and in
case at that time any of the Rights Certificates shall not have

                                       25
<PAGE>
 
been countersigned, the Rights Agent may countersign such Rights Certificates
either in its prior name or in its changed name; and in all such cases such
Rights Certificates shall have the full force provided in the Rights
Certificates and in this Agreement.

      Section 20.  Duties of Rights Agent.  The Rights Agent undertakes the
                   ----------------------
duties and obligations imposed by this Agreement upon the following terms and
conditions, by all of which the Company and the holders of Rights Certificates,
by their acceptance thereof, shall be bound:

              (a)  The Rights Agent may consult with legal counsel (who may be
legal counsel for the Company), and the opinion of such counsel shall be full
and complete authorization and protection to the Rights Agent as to any action
taken or omitted by it in good faith and in accordance with such opinion.

              (b)  Whenever in the performance of its duties under this
Agreement the Rights Agent shall deem it necessary or desirable that any fact or
matter (including, without limitation, the identity of any Acquiring Person and
the determination of "current market price") be proved or established by the
Company prior to taking or suffering any action hereunder, such fact or matter
(unless other evidence in respect thereof be herein specifically prescribed) may
be deemed to be conclusively proved and established by a certificate signed by
the Chairman of the Board, the President, any Vice President, the Treasurer, any
Assistant Treasurer, the Secretary or any Assistant Secretary of the Company and
delivered to the Rights Agent; and such certificate shall be full authorization
to the Rights Agent for any action taken or suffered in good faith by it under
the provisions of this Agreement in reliance upon such certificate.

              (c)  The Rights Agent shall be liable hereunder only for its own
negligence, bad faith or willful misconduct.

              (d)  The Rights Agent shall not be liable for or by reason of any
of the statements of fact or recitals contained in this Agreement or in the
Rights Certificates or be required to verify the same (except as to its
countersignature on such Rights Certificates), but all such statements and
recitals are and shall be deemed to have been made by the Company only.

              (e)  The Rights Agent shall not be under any responsibility in
respect of the validity of this Agreement or the execution and delivery hereof
(except the due execution hereof by the Rights Agent) or in respect of the
validity or execution of any Rights Certificate (except its countersignature
thereof); nor shall it be responsible for any breach by the Company of any
covenant or condition contained in this Agreement or in any Rights Certificate;
nor shall it be responsible for any adjustment required under the provisions of
Section 11 or Section 13 hereof or responsible for the manner, method or amount
of any such adjustment or the ascertaining of the existence of facts that would
require any such adjustment (except with respect to the exercise of Rights
evidenced by Rights Certificates after actual notice of any such adjustment);
nor shall it by any act hereunder be deemed to make any representation or
warranty as to the authorization or reservation of any shares of Common Stock or
Preferred Stock to be issued pursuant to this Agreement or any Rights
Certificate or as to whether any shares of Common Stock or Preferred Stock will,
when so issued, be validly authorized and issued, fully paid and nonassessable.

              (f)  The Company agrees that it will perform, execute, acknowledge
and deliver or cause to be performed, executed, acknowledged and delivered all
such further and

                                       26
<PAGE>
 
other acts, instruments and assurances as may reasonably be required by the
Rights Agent for the carrying out or performing by the Rights Agent of the
provisions of this Agreement.

              (g)  The Rights Agent is hereby authorized and directed to accept
instructions with respect to the performance of its duties hereunder from any
one of the Chairman of the Board, the President, any Vice President, the
Secretary, any Assistant Secretary, the Treasurer or any Assistant Treasurer of
the Company, and to apply to such officers for advice or instructions in
connection with its duties under this Agreement, and it shall not be liable for
any action taken or suffered to be taken by it in good faith in accordance with
instructions of any such officer.

              (h)  The Rights Agent and any stockholder, director, officer or
employee of the Rights Agent may buy, sell or deal in any of the Rights or other
securities of the Company or become pecuniarily interested in any transaction in
which the Company may be interested, or contract with or lend money to the
Company or otherwise act as fully and freely as though it were not Rights Agent
under this Agreement. Nothing herein shall preclude the Rights Agent from acting
in any other capacity for the Company or for any other legal entity.

              (i)  The Rights Agent may execute and exercise any of the rights
or powers hereby vested in it or perform any duty hereunder either itself or by
or through its attorneys or agents, and the Rights Agent shall not be answerable
or accountable for any act, default, neglect or misconduct of any such attorneys
or agents or for any loss to the Company resulting from any such act, default,
neglect or misconduct; provided, however, reasonable care was exercised in the
selection and continued employment thereof.

              (j)  No provision of this Agreement shall require the Rights Agent
to expend or risk its own funds or otherwise incur any financial liability in
the performance of any of its duties hereunder or in the exercise of its rights
if there shall be reasonable grounds for believing that repayment of such funds
or adequate indemnification against such risk or liability is not reasonably
assured to it.

              (k)  If, with respect to any Right Certificate surrendered to the
Rights Agent for exercise or transfer, the certificate attached to the form of
assignment or form of election to purchase, as the case may be, has either not
been completed or indicates an affirmative response to clause 1 and/or 2
thereof, the Rights Agent shall not take any further action with respect to such
requested exercise of transfer without first consulting with the Company.

              (l)  At any time and from time to time after the Distribution
Date, upon the request of the Company, the Rights Agent shall promptly deliver
to the Company a list, as of the most recent practicable date (or as of such
earlier date as may be specified by the Company), of the holders of record of
Rights.

      Section 21.  Change of Rights Agent.  The Rights Agent or any
                   ----------------------
successor Rights Agent may resign and be discharged from its duties under this
Agreement upon thirty (30) days' notice in writing mailed to the Company, and to
each transfer agent of the Common Stock and Preferred Stock, by registered or
certified mail, and to the holders of the Rights Certificates by first-class
mail.  The Company may remove the Rights Agent or any successor Rights Agent
upon thirty (30) days' notice in writing, mailed to the Rights Agent or
successor Rights Agent, as 

                                       27
<PAGE>
 
the case may be, and to each transfer agent of the Common Stock and Preferred
Stock, by registered or certified mail, and to the holders of the Rights
Certificates by first-class mail. If the Rights Agent shall resign or be removed
or shall otherwise become incapable of acting, the resigning, removed, or
incapacitated Rights Agent shall remit to the Company, or to any successor
Rights Agent designated by the Company, all books, records, funds, certificates
and other documents and instruments of any kind then in its possession which
were acquired or created by such resigning, removed or incapacitated Rights
Agent in connection with its services as Rights Agent hereunder, and shall
thereafter be discharged from all further duties and obligations hereunder.
Following notice of such removal, resignation or incapacity, the Company shall
appoint a successor to the Rights Agent. If the Company shall fail to make such
appointment within a period of thirty (30) days after giving notice of such
removal or after it has been notified in writing of such resignation or
incapacity by the resigning or incapacitated Rights Agent or by the holder of a
Rights Certificate (who shall, with such notice, submit his Rights Certificate
for inspection by the Company), then any registered holder of any Rights
Certificate may apply to any court of competent jurisdiction for the appointment
of a new Rights Agent. Any successor Rights Agent, whether appointed by the
Company or by such a court, shall be either (a) a corporation organized and
doing business under the laws of the United States or of any state of the United
States, in good standing, which is authorized under such laws to exercise
corporate trust or stock transfer powers and is subject to supervision or
examination by federal or state authority and which either has or is an
affiliate of a corporation which has at the time of its appointment as Rights
Agent a combined capital and surplus of at least $100,000,000, or (b) an
affiliate of such corporation. After appointment, the successor Rights Agent
shall be vested with the same powers, rights, duties and responsibilities as if
it had been originally named as Rights Agent without further act or deed; but
the predecessor Rights Agent shall deliver and transfer to the successor Rights
Agent any property at the time held by it hereunder, and execute and deliver any
further assurance, conveyance, act or deed necessary for the purpose. Not later
than the effective date of any such appointment, the Company shall file notice
thereof in writing with the predecessor Rights Agent and each transfer agent of
the Common Stock and the Preferred Stock, and mail a notice thereof in writing
to the registered holders of the Rights Certificates. Failure to give any notice
provided for in this Section 21, however, or any defect therein, shall not
affect the legality or validity of the registration or removal of the Rights
Agent or the appointment of the successor Rights Agent, as the case may be.

      Section 22.  Issuance of New Rights Certificates.  Notwithstanding any
                   -----------------------------------
of the provisions of this Agreement or of the Rights to the contrary, the
Company may, at its option, issue new Rights Certificates evidencing Rights in
such form as may be approved by its Board of Directors to reflect any adjustment
or change in the Purchase Price and/or the number or kind or class of shares or
other securities or property purchasable under the Rights Certificates made in
accordance with the provisions of this Agreement.  In addition, in connection
with the issuance or sale of shares of Common Stock following the Distribution
Date and prior to the redemption or expiration of the Rights, the Company (a)
shall, with respect to shares of Common Stock so issued or sold pursuant to the
exercise of stock options or warrants or under any employee plan or arrangement,
or upon the exercise, conversion or exchange of securities hereinafter issued by
the Company, and (b) may, in any other case, if deemed necessary or appropriate
by the Board of Directors, of the Company, issue Rights Certificates
representing the appropriate number of Rights in connection with such issuance
or sale; provided, however, that (i) no such Rights 
         --------

                                       28
<PAGE>
 
Certificate shall be issued if, and to the extent that, the Company shall be
advised by counsel that such issuance would create a significant risk of
material adverse tax consequences to the Company or the Person to whom such
Rights Certificate would be issued, and (ii) no such Rights Certificate shall be
issued if, and to the extent that, appropriate adjustment shall otherwise have
been made in lieu of the issuance thereof.

      Section 23.  Exchange.
                   --------
              (a)  The Company's Board of Directors may, at their option, at any
time after any Person becomes an Acquiring Person, exchange all or part of the
then outstanding and exercisable Rights (which shall not include Rights that
have become void pursuant to the provisions of Section 11(a)(ii) hereof) for
shares of Common Stock at an exchange ratio of one share of Common Stock per
Right, appropriately adjusted to reflect any stock split, stock dividend or
similar transaction occurring after the date hereof (such exchange ratio being
hereinafter referred to as the "Exchange Ratio"). Notwithstanding the foregoing,
the Board of Directors shall not be empowered to effect such exchange at any
time after any person (other than the Company, any Subsidiary of the Company,
any employee benefit plan of the Company or any such subsidiary or any entity
holding shares of Common Stock for or pursuant to any such plan), together with
all Affiliates and Associates of such Person, becomes the Beneficial Owner of
Shares of Common Stock aggregating 50% or more of the shares of Common Stock
then outstanding.

              (b)  Immediately upon the action of the Company's Board of
Directors ordering the exchange of any Rights pursuant to paragraph (a) of this
Section 23 and without any further action and without any notice, the right to
exercise such Rights shall terminate and the only right thereafter of a holder
of such Rights shall be to receive that number of shares of Common Stock equal
to the number of such Rights held by such holder multiplied by the Exchange
Ratio. The Company shall promptly give public notice of any such exchange;
provided, however, that the failure to give, or any defect in, such notice shall
- --------  -------
not affect the validity of such exchange. The Company shall mail promptly a
notice of any such exchange to all of the holders of such Rights at their last
addresses as they appear upon the registry books of the Rights Agent. Any notice
which is mailed in the manner herein provided shall be deemed given, whether or
not the holder receives the notice. Each such notice of exchange will state the
method by which the exchange of the shares of Common Stock for Rights will be
effected and, in the event of any partial exchange, the number of Rights which
will be exchanged. Any partial exchange shall be effected pro rata based on the
number of Rights (other than Rights which have become void pursuant to the
provisions of Section 7(e) hereof) held by each holder of Rights.

              (c)  In the event that there shall not be sufficient shares of
Common Stock issued but not outstanding or authorized but unissued to permit any
exchange of Rights as contemplated in accordance with this Section 23, the
Company shall take all such action as may be necessary to authorize additional
shares of Common Stock for issuance upon exchange of the Rights. In the event
the Company shall, after good faith effort, be unable to take all such action as
may be necessary to authorize such additional shares of Common Stock, the
Company shall substitute for each share of Common Stock that would otherwise be
issuable upon exchange of a Right, a number of shares of Preferred Stock or
fraction thereof such that the current per share market price of one share of
Preferred Stock multiplied by such number or fraction is equal to the 

                                       29
<PAGE>
 
current per share market price of one share of Common Stock as of the date of
issuance of such share of Preferred Stock or fraction thereof.

              (d)  The Company shall not be required to issue fractions of
shares of Common Stock or to distribute certificates which evidence fractional
shares of Common Stock. In lieu of such fractional shares of Common Stock, the
Company shall pay to the registered holders of the Right Certificates with
regard to which such fractional shares of Common Stock would otherwise be
issuable an amount in cash equal to the same fraction of the current market
value of a whole share of Common Stock. For the purposes of this paragraph (d),
the current market value of a whole share of Common Stock shall be the closing
price of a share of Common Stock (as determined pursuant to the second sentence
of Section 11(d)(i) hereof) for the Trading Day immediately prior to the date of
exchange pursuant to this Section 23.

      Section 24.  Redemption and Termination.
                   ---------------------------

             (a)  The Board of Directors of the Company may, at their option, at
any time prior to the earlier of (i) the close of business on the tenth business
day following the Stock Acquisition Date or (ii) the Final Expiration Date,
redeem all but not less than all the then outstanding Rights at a redemption
price of $0.01 per Right, as such amount may be appropriately adjusted to
reflect any stock split, reverse stock split, reclassification, stock dividend
or similar transaction occurring after the date hereof (such redemption price
being hereinafter referred to as the "Redemption Price"); provided, however,
                                                          --------
that if, following the occurrence of a Stock Acquisition Date and following the
expiration of the right of redemption hereunder but prior to any Triggering
Event, (i) a Person who is an Acquiring Person shall have transferred or
otherwise disposed of a number of shares of Common Stock in one transaction or
series of transactions, not directly or indirectly involving the Company or any
of its Subsidiaries, which did not result in the occurrence of a Triggering
Event such that such Person is thereafter a Beneficial Owner of 10% or less of
the outstanding shares of Common Stock, and (ii) there are no other Persons,
immediately following the occurrence of the event described in clause (i), who
are Acquiring Persons, then the right of redemption shall be reinstated and
thereafter be subject to the provisions of this Section 24. Notwithstanding
anything contained in this Agreement to the contrary, subject to Section 27
hereof, the Rights shall not be exercisable after the first occurrence of a
Section 11(a)(ii) Event until such time as the Company's right of redemption
hereunder has expired. The Company may, at its option, pay the Redemption Price
in cash, shares of Common Stock (based on the "current market price," as defined
in Section 11(d)(i) hereof, of the Common Stock at the time of redemption) or
any other form of consideration deemed appropriate by the Board of Directors.

              (b)  Immediately upon the action of the Company's Board of
Directors ordering the redemption of the Rights, evidence of which shall have
been filed with the Rights Agent and without any further action and without any
notice, the right to exercise the Rights will terminate and the only right
thereafter of the holders of Rights shall be to receive the Redemption Price for
each Right so held. Promptly after the action of the Board of Directors ordering
the redemption of the Rights, the Company shall give notice of such redemption
to the Rights Agent and the holders of the then outstanding Rights by mailing
such notice to all such holders at each holder's last address as it appears upon
the registry books of the Rights Agent or, prior to the Distribution Date, on
the registry books of the Transfer Agent for the Common Stock. Any

                                       30
<PAGE>
 
notice which is mailed in the manner herein provided shall be deemed given,
whether or not the holder receives the notice. Each such notice of redemption
will state the method by which the payment of the Redemption Price will be made.
Neither the Company nor any of its Affiliates or Associates may redeem, acquire
or purchase for value any Rights at any time in any manner other than that
specifically set forth in this Section 24, and other than in connection with the
purchase of Common Stock before the Distribution Date.

              (c)  Notwithstanding the provisions of Section 24(a) hereof, in
the event that a majority of the Board is elected by stockholder action by
written consent, or is comprised of persons elected at a meeting of stockholders
who were not nominated by the Board in office immediately prior to such meeting,
then for a period of ninety (90) days following the effectiveness of such
election the Rights shall not be redeemed if such redemption is reasonably
likely to have the purpose or effect of allowing any Person to become an
Acquiring Person or otherwise facilitating the occurrence of a Triggering Event
or a transaction with an Acquiring Person.

      Section 25.  Notice of Certain Events.
                   -------------------------

              (a)  In case the Company shall propose, at any time after the
Distribution Date, (i) to pay any dividend payable in stock of any class to the
holders of Preferred Stock or to make any other distribution to the holders of
Preferred Stock (other than a regular quarterly cash dividend out of earnings or
retained earnings of the Company), or (ii) to offer to the holders of Preferred
Stock rights or warrants to subscribe for or to purchase any additional shares
of Preferred Stock or shares of stock of any class or any other securities,
rights or options, or (iii) to effect any reclassification of its Preferred
Stock (other than a reclassification involving only the subdivision of
outstanding shares of Preferred Stock), or (iv) to effect any consolidation or
merger into or with any other Person (other than a Subsidiary of the Company in
a transaction which complies with Section 11(o) hereof), or to effect any sale
or other transfer (or to permit one or more of its Subsidiaries to effect any
sale of other transfer), in one transaction or a series of related transactions,
of more than 50% of the assets or earning power of the Company and its
Subsidiaries (taken as a whole) to any other Person or Persons (other than the
Company and/or any of its Subsidiaries in one or more transactions each of which
complies with Section 11(o) hereof), or (v) to effect the liquidation,
dissolution or winding up of the Company, then, in each such case, the Company
shall give to each holder of a Rights Certificate, to the extent feasible and in
accordance with Section 26 hereof, a notice of such proposed action, which shall
specify the record date for the purposes of such stock dividend, distribution of
rights or warrants, or the date on which such reclassification, consolidation,
merger, sale, transfer, liquidation, dissolution, or winding up is to take place
and the date of participation therein by the holders of the shares of Preferred
Stock, if any such date is to be fixed, and such notice shall be so given in the
case of any action covered by clause (i) or (ii) above at least twenty (20) days
prior to the record date for determining holders of the shares of Preferred
Stock for purposes of such action, and in the case of any such other action, at
least twenty (20) days prior to the date of the taking of such proposed action
or the date of participation therein by the holders of the shares of Preferred
Stock whichever shall be the earlier.

              (b)  In case any of the events set forth in Section 11(a)(ii)
hereof shall occur, then, in any such case, (i) the Company shall as soon as
practicable thereafter give to each

                                       31
<PAGE>
 
holder of a Rights Certificate, to the extent feasible and in accordance with
Section 26 hereof, a notice of the occurrence of such event, which shall specify
the event and the consequences of the event to holders of Rights under Section
11(a)(ii) hereof, and (ii) all references in the preceding paragraph to
Preferred Stock shall be deemed thereafter to refer to Common Stock and/or, if
appropriate, other securities.

      Section 26.  Notices.  Notices or demands authorized by this Agreement
                   -------
to be given or made by the Rights Agent or by the holder of any Rights
Certificate to or on the Company shall be sufficiently given or made if sent by
first-class mail, postage prepaid, addressed (until another address is filed in
writing with the Rights Agent) as follows:


                    SEQUUS Pharmaceuticals, Inc.
                    960 Hamilton Court
                    Menlo Park, California  94025
                    Attention: Secretary

Subject to the provisions of Section 21, any notice or demand authorized by this
Agreement to be given or made by the Company or by the holder of any Rights
Certificate to or on the Rights Agent shall be sufficiently given or made if
sent by first-class mail, postage prepaid, addressed (until another address is
filed in writing with the Company) as follows:

                    ChaseMellon Shareholder Services, L.L.C.
                    50 California Street, 10th Floor
                    San Francisco, California  94111-4624
                    Attention:  Stock Transfer Administration

Notices or demands authorized by this Agreement to be given or made by the
Company or the Rights Agent to the holder of any Rights Certificate (or, if
prior to the Distribution Date, to the holder of certificates representing
shares of Common Stock) shall be sufficiently given or made if sent by first-
class mail, postage prepaid, addressed to such holder at the address of such
holder as shown on the registry books of the Company.

      Section 27.  Supplements and Amendments. Before the Distribution Date,
                   --------------------------
the Company and the Rights Agent shall, if a majority of the Board of Directors
so directs, supplement or amend any provision of this Agreement without the
approval of any holders of certificates representing shares of Common Stock.
From and after the Distribution Date and subject to the penultimate sentence of
this Section 27, the Company and the Rights Agent shall, if a majority of the
Board of Directors so directs, supplement or amend this Agreement without the
approval of any holders of Rights Certificates in order (i) to cure any
ambiguity, (ii) to correct or supplement any provision contained herein which
may be defective or inconsistent with any other provisions herein, (iii) to
shorten or lengthen any time period hereunder for any or all purposes (for
example, the Company may shorten or lengthen the period during which the Rights
may be redeemed without changing the Distribution Date), (iv) to change or
supplement the provisions hereunder in any manner which the Company may deem
necessary or desirable, or (v) lower the threshold set forth in Section 1(a) to
not less than 10%.  Notwithstanding the previous sentence, 

                                       32
<PAGE>
 
in no event shall any such supplement or amendment adopted after the
Distribution Date adversely affect the interests of the holders of Rights (other
than an Acquiring Person or an Affiliate or Associate of an Acquiring Person).
In addition, this Agreement may not be supplemented or amended to lengthen,
pursuant to clause (iii) of the second sentence of this Section 27, (A) a time
period relating to when the Rights may be redeemed at such time as the Rights
are not then redeemable, or (B) any other time period unless such lengthening is
for the purpose of protecting, enhancing or clarifying the rights of, and/or the
benefits to, the holders of Rights (other than an Acquiring Person or an
Affiliate or Associate of an Acquiring Person). Upon the delivery of a
certificate from an appropriate officer of the Company which states that the
proposed supplement or amendment is in compliance with this Section 27, the
Rights Agent shall sign such supplement or amendment. Notwithstanding anything
contained in this Agreement to the contrary, no supplement or amendment shall be
made which changes the Redemption Price, the Final Expiration Date, the Purchase
Price or the number of shares of Preferred Stock for which a Right is
exercisable; provided, however, that at any time before the Distribution Date,
             --------  -------
the Board of Directors may amend this Agreement to increase the Purchase Price
or to extend the Final Expiration Date. Before the Distribution Date, the
interests of the holders of Rights shall be deemed coincident with the interests
of the holders of Common Stock.

          Section 28.  Successors.  All the covenants and provisions of this
                       ----------
Agreement by or for the benefit of the Company or the Rights Agent shall bind
and inure to the benefit of their respective successors and assigns hereunder.

          Section 29.  Determination and Actions by the Board of Directors, etc.
                       --------------------------------------------------------
For all purposes of this Agreement, any calculation of the number of shares of
Common Stock outstanding at any particular time, including for purposes of
determining the particular percentage of such outstanding shares of Common Stock
of which any Person is the Beneficial Owner, shall be made in accordance with
the last sentence of Rule 13d-3(d)(1)(i) of the General Rules and Regulations
under the Exchange Act.  The Board of Directors of the Company shall have the
exclusive power and authority to administer this Agreement and to exercise all
rights and powers specifically granted to the Board or to the Company, or as may
be necessary or advisable in the administration of this Agreement, including,
without limitation, the right and power to (i) interpret the provisions of this
Agreement, and (ii) make all determinations deemed necessary or advisable for
the administration of this Agreement (including a determination to redeem or not
redeem the Rights or to amend the Agreement).  All such actions, calculations,
interpretations and determinations (including, for purposes of clause (y) below,
all omissions with respect to the foregoing) which are done or made by the Board
in good faith, shall (x) be final, conclusive and binding on the Company, the
Rights Agent, the holders of the Rights and all other parties, and (y) not
subject the Board to any liability to the holders of the Rights.

          Section 30.  Benefits of this Agreement.  Nothing in this Agreement
                       --------------------------
shall be construed to give to any Person other than the Company, the Rights
Agent and the registered holders of the Rights Certificates (and, prior to the
Distribution Date, registered holders of the Common Stock) any legal or
equitable right, remedy or claim under this Agreement; but this Agreement shall
be for the sole and exclusive benefit of the Company, the Rights Agent and the
registered holders of the Rights Certificates (and, prior to the Distribution
Date, registered holders of the Common Stock).

                                       33
<PAGE>
 
          Section 31.  Severability.  If any term, provision, covenant or
                       ------------
restriction of this Agreement is held by a court of competent jurisdiction or
other authority to be invalid, void or unenforceable, the remainder of the
terms, provisions, covenants and restrictions of this Agreement shall remain in
full force and effect and shall in no way be affected, impaired or invalidated;
provided, however, that notwithstanding anything in this Agreement to the
- --------
contrary, if any such term, provision, covenant or restriction is held by such
court or authority to be invalid, void or unenforceable and the Board of
Directors of the Company determines in its good faith judgment that severing the
invalid language from this Agreement would adversely affect the purpose or
effect of this Agreement, the right of redemption set forth in Section 24 hereof
shall be reinstated and shall not expire until the close of business on the
tenth day following the date of such determination by the Board of Directors.

          Section 32.  Governing Law.  This Agreement, each Right and each
                       -------------
Rights Certificate issued hereunder shall be deemed to be a contract made under
the laws of the State of Delaware and for all purposes shall be governed by and
construed in accordance with the laws of such State applicable to contracts made
and to be performed entirely within such State.

          Section 33.  Counterparts.  This Agreement may be executed in any
                       ------------
number of counterparts and each of such counterparts shall for all purposes be
deemed to be an original, and all such counterparts shall together constitute
but one and the same instrument.

          Section 34.  Descriptive Headings.  Descriptive headings of the
                       --------------------
several Sections of this Agreement are inserted for convenience only and shall
not control or affect the meaning or construction of any of the provisions
hereof.


          IN WITNESS WHEREOF, the parties hereto have caused this Agreement to
be duly executed and their respective corporate seals to be hereunto affixed and
attested, all as of the day and year first above written.

                                 SEQUUS PHARMACEUTICALS, INC.



                                 By  /s/   I. Craig Henderson
                                     ------------------------
                                     Name:  I. Craig Henderson
                                     Title:  Chairman and CEO



                                 CHASEMELLON SHAREHOLDER 
                                 SERVICES, L.L.C.



                                 By  /s/   Daniel W. Spengel
                                     -----------------------
                                 Name:  Daniel W. Spengel
                                 Title:  Assistant Vice President

                                       34
<PAGE>
 
                                                                       Exhibit A
                                                                       ---------

                                    FORM OF

             CERTIFICATE OF DESIGNATION, PREFERENCES AND RIGHTS OF
                    SERIES A PARTICIPATING PREFERRED STOCK

                                      OF

                         SEQUUS PHARMACEUTICALS, INC.

                        Pursuant to Section 151 of the
               General Corporation Law of the State of Delaware


     SEQUUS Pharmaceuticals, Inc., a corporation (the "Corporation") organized
and existing under the General Corporation Law of the State of Delaware (the
"DGCL"), in accordance with the provisions of Section 103 thereof, HEREBY
CERTIFIES:

     That pursuant to the authority conferred upon the Board of Directors by the
Certificate of Incorporation of the Corporation, the Board of Directors on April
17, 1997, adopted the following resolution creating a series of 450,000 shares
of Preferred Stock designated as Series A Participating Preferred Stock:

     RESOLVED, that pursuant to the authority vested in the Board of Directors
of the Corporation in accordance with the provisions of its Certificate of
Incorporation and Section 151 of the DGCL, a series of Preferred Stock of the
Corporation be and it hereby is created, and that the designation and amount
thereof and the voting powers, preferences and relative, participating, optional
and other special rights of the shares of such series, and the qualifications,
limitations or restrictions thereof are as follows:

          1.  Designation and Amount.  The shares of such series shall be
              ----------------------
designated as Series A Participating Preferred Stock par value $0.01 per share"
(the "Series A Participating Preferred Stock"), and the number of shares
constituting such series shall be 450,000.


          2.  Dividends and Distributions.
              ----------------------------

              (a)  Subject to the prior and superior rights of the holders of
any shares of any series of Preferred Stock ranking prior and superior to the
shares of Series A Participating Preferred Stock with respect to dividends, the
holders of shares of Series A Participating Preferred Stock in preference to the
holders of Common Stock and of any other junior stock, shall be entitled to
receive, when, as and if declared by the Board of Directors out of funds legally
available therefor, dividends payable quarterly on the first day of January,
April, July and October (each such date being referred to herein as a "Quarterly
Dividend Payment Date"), commencing on the first Quarterly Dividend Payment Date
after the first issuance of a share or fraction of a

                                       35
<PAGE>
 
share of Series A Participating Preferred Stock, in an amount per share (rounded
to the nearest cent) equal to the greater of (a) $100 or (b) subject to the
provision for adjustment hereinafter set forth, 100 times the aggregate per
share amount (payable in kind) of all non-cash dividends or other distributions
other than a dividend payable in shares of Common Stock or a subdivision of the
outstanding shares of Common Stock (by reclassification or otherwise), declared
on the Common Stock since the immediately preceding Quarterly Dividend Payment
Date, or, with respect to the first Quarterly Dividend Payment Date, since the
first issuance of any share or fraction of a share of Series A Participating
Preferred Stock. In the event the Corporation shall at any time after the record
date for the initial distribution of the Corporation's Preferred "Stock Purchase
Rights" pursuant to the Rights Agreement, dated as of April 17, 1997, between
the Corporation and ChaseMellon Shareholder Services, L.L.C., as Rights Agent
(the "Rights Declaration Date"), (i) declare any dividend on Common Stock
payable in shares of Common Stock, (ii) subdivide the outstanding Common Stock,
or (iii) combine the outstanding Common Stock into a smaller number of shares,
then in each such case the amount to which holders of shares of Series A
Participating Preferred Stock were entitled immediately prior to such event
under clause (b) of the preceding sentence shall be adjusted by multiplying such
amount by a fraction, the numerator of which is the number of shares of Common
Stock outstanding immediately after such event and the denominator of which is
the number of shares of Common Stock that were outstanding immediately prior to
such event.

              (b)  The Corporation shall declare a dividend or distribution on
the Series A Participating Preferred Stock as provided in paragraph (a) above
immediately after it declares a dividend or distribution on the Common Stock
(other than a dividend payable in shares of Common Stock); provided that, in the
event no dividend or distribution shall have been declared on the Common Stock
during the period between any Quarterly Dividend Payment Date and the next
subsequent Quarterly Dividend Payment Date, a dividend of $75.00 per share on
the Series A Participating Preferred Stock shall nevertheless be payable on such
subsequent Quarterly Dividend Payment Date.

              (c)  Dividends shall begin to accrue and be cumulative on
outstanding shares of Series A Participating Preferred Stock from the Quarterly
Dividend Payment Date next preceding the date of issue of such shares of Series
A Participating Preferred Stock, unless the date of issue of such shares is
prior to the record date for the first Quarterly Dividend Payment Date, in which
case dividends on such shares shall begin to accrue from the date of issue of
such shares, or unless the date of issue is a Quarterly Dividend Payment Date,
in which case dividends on such shares shall begin to accrue from the date of
issue of such shares, or unless the date of issue is a Quarterly Dividend
Payment Date or is a date after the record date for the determination of holders
of shares of Series A Participating Preferred Stock entitled to receive a
quarterly dividend and before such Quarterly Dividend Payment Date, in either of
which events such dividends shall begin to accrue and be cumulative from such
Quarterly Dividend Payment Date. Accrued but unpaid dividends shall not bear
interest. Dividends paid on the shares of Series A Participating Preferred Stock
in an amount less than the total amount of such dividends at the time accrued
and payable on such shares shall be allocated pro rata on a share-by-share basis
among all such shares at the time outstanding. The Board of Directors may fix a
record date for the determination of holders of shares of Series A Participating
Preferred Stock entitled to receive payment of a dividend or distribution
declared thereon, which record date shall be no more than 30 days prior to the
date fixed for the payment thereof.

                                       36
<PAGE>
 
          3.  Voting Rights.  The holders of shares of Series A Participating
              -------------
Preferred Stock shall have the following voting rights:

              (a)  Subject to the provision for adjustment hereinafter set
forth, each share of Series A Participating Preferred Stock shall entitle the
holder thereof to 100 votes on all matters submitted to a vote of the
stockholders of the Corporation. In the event the Corporation shall at any time
after the Rights Declaration Date (i) declare any dividend on Common Stock
payable in shares of Common Stock, (ii) subdivide the outstanding Common Stock
or (iii) combine the outstanding Common Stock into a smaller number of shares,
then in each such case the number of votes per share to which holders of shares
of Series A Participating Preferred Stock were entitled immediately prior to
such event shall be adjusted by multiplying such number by a fraction, the
numerator of which is the number of shares of Common Stock outstanding
immediately after such event and the denominator of which is the number of
shares of Common Stock that were outstanding immediately prior to such event.

              (b)  Except as otherwise provided herein, in the Certificate of
Incorporation or under applicable law, the holders of shares of Series A
Participating Preferred Stock and the holders of shares of Common Stock shall
vote together as one class on all matters submitted to a vote of stockholders of
the Corporation.

              (c)  (i) If at any time dividends on any shares of Series A
Participating Preferred Stock shall be in arrears in an amount equal to six
quarterly dividends thereon, the occurrence of such contingency shall mark the
beginning of a period (a "default period") that shall extend until such time
when all accrued and unpaid dividends for all previous quarterly dividends
periods and for the current quarterly dividend period on all shares of Series A
Participating Preferred Stock then outstanding shall have been declared and paid
or set apart for payment. During each default period, all holders of the
outstanding shares of Series A Participating Preferred Stock together with any
other series of Preferred Stock then entitled to such a vote under the terms of
the Certificate of Incorporation, voting as a separate class, shall be entitled
to elect two (2) members of the Board of Directors of the Corporation.

                   (ii) During any default period, such voting right of the
holders of Preferred Stock may be exercised initially at a special meeting
called pursuant to subparagraph (iii) of this Subsection 3(c) or at any annual
meeting of stockholders, and thereafter at annual meetings of stockholders. The
absence of a quorum of the holders of Common Stock shall not affect the exercise
by the holders of Preferred Stock of such voting right. At any meeting at which
the holders of Preferred Stock shall exercise such voting right initially during
an existing default period, they shall have the right, voting as a separate
class, to elect Directors to fill such vacancies, if any, in the Board of
Directors as may then exist up to two (2) Directors, or if such right is
exercised at an annual meeting, to elect two (2) Directors. If the number that
may be so elected at any special meeting does not amount to the required number,
the holders of the Preferred Stock shall have the right to make such increase in
the number of Directors as shall be necessary to permit the election by them of
the required number. After the holders of the Preferred Stock shall have
exercised their right to elect Directors in any default period and during the
continuance of such period, the number of Directors shall not be increased or
decreased except by vote of the holders of Preferred Stock as herein provided or
pursuant to the rights of any equity securities ranking senior to or pari passu
with the Series A Participating Preferred Stock.

                                       37
<PAGE>
 
                   (iii)  Unless the holders of Preferred Stock shall, during an
existing default period, have previously exercised their right to elect
Directors, the Board of Directors may order, or any stockholder or stockholders
owning in the aggregate not less than ten percent (10%) of the total number of
shares of Preferred Stock outstanding, irrespective of series, may request, the
calling of a special meeting of the holders of Preferred Stock, which meeting
shall thereupon be called by the Chairman, President, a Vice President or the
Secretary of the Corporation. Notice of such meeting and of any annual meeting
at which holders of Preferred Stock are entitled to vote pursuant to this
Section 3(c)(iii) shall be given to each holder of record of Preferred Stock by
mailing a copy of such notice to him at his last address as the same appears on
the books of the Corporation. Such meeting shall be called for a time not
earlier than 10 days and not later than 60 days after such order or request. In
the event such meeting is not called within 60 days after such order or request,
such meeting may be called on a similar notice by any stockholder or
stockholders owning in the aggregate not less than ten percent (10%) of the
total number of shares of Preferred Stock outstanding. Notwithstanding the
provisions of this Section 3(c)(iii), no such special meeting shall be called
during the period within 60 days immediately preceding the date fixed for the
next annual meeting of the stockholders.

                   (iv) In any default period, the holders of Common Stock, and
other classes of stock of the Corporation if applicable, shall continue to be
entitled to elect the whole number of Directors until the holders of Preferred
Stock shall have exercised their right to elect two (2) Directors voting as a
separate class, after the exercise of which right (x) the Directors so elected
by the holders of Preferred Stock shall continue in office until their
successors shall have been elected by such holders or until the expiration of
the default period, and (y) any vacancy in the Board of Directors may (except as
provided in Section 3(c)(ii) be filled by vote of a majority of the remaining
Directors elected by the class which elected the Director whose office shall
have become vacant. References in this Section 3(c)(iv) to Directors elected by
a particular class shall include Directors elected by such Directors to fill
vacancies as provided in clause (y) of the foregoing sentence.

              (d)  Immediately upon the expiration of a default period, (x) the
right of the holders of Preferred Stock, as a separate class, to elect Directors
shall cease, (y) the term of any Directors elected by the holders of Preferred
Stock, as a separate class, shall terminate, and (z) the number of Directors
shall be such number as may be provided for in, or pursuant to, the Certificate
of Incorporation or By-Laws irrespective of any increase made pursuant to the
provisions of Section 3(c)(ii) (such number being subject, however, to change
thereafter in any manner provided by law or in the Certificate of Incorporation
or By-Laws). Any vacancies in the Board of Directors effected by the provisions
of clauses (y) and (z) in the preceding sentence may be filled by a majority of
the remaining Directors, even though less than a quorum.

              (e)  Except as set forth herein or as otherwise provided in the
Certificate of Incorporation, holders of Series A Participating Preferred Stock
shall have no special voting rights and their consent shall not be required
(except to the extent they are entitled to vote with holders of Common Stock as
set forth herein) for taking any corporate action.

                                       38
<PAGE>
 
          4.  Certain Restrictions.
              ---------------------

              (a)  Whenever quarterly dividends or other dividends or
distributions payable on the Series A Participating Preferred Stock as provided
in Section 2 are in arrears, thereafter and until all accrued and unpaid
dividends and distributions, whether or not declared, on shares of Series A
Participating Preferred Stock outstanding shall have been paid in full, the
Corporation shall not:

                   (i)   declare or pay or set apart for payment any dividends
or make any other distributions on, or redeem or purchase or otherwise acquire,
directly or indirectly, for consideration any shares of any class of stock of
the Corporation ranking junior (either as to dividends or upon liquidation,
dissolution or winding up) to the Series A Participating Preferred Stock;

                   (ii)  declare or pay dividends on or make any other
distributions on any shares of stock ranking on a parity (either as to dividends
or upon liquidation, dissolution or winding up) with the Series A Participating
Preferred Stock, except dividends paid ratably on the Series A Participating
Preferred Stock and all such parity stock on which dividends are payable or in
arrears in proportion to the total amounts to which the holders of all such
shares are then entitled;

                   (iii) redeem or purchase or otherwise acquire for
consideration shares of any stock ranking on a parity (either as to dividends or
upon liquidation, dissolution or winding up) with the Series A Participating
Preferred Stock, provided that the Corporation may at any time redeem, purchase
or otherwise acquire shares of any such parity stock in exchange for shares of
any stock of the Corporation ranking junior (either as to dividends or upon
dissolution, liquidation or winding up) to the Series A Participating Preferred
Stock; or

                   (iv)  purchase or otherwise acquire for consideration any
shares of Series A Participating Preferred Stock, or any shares of stock ranking
on a parity with the Series A Participating Preferred Stock, except in
accordance with a purchase offer made in writing or by publication (as
determined by the Board of Directors) to all holders of such shares upon such
terms as the Board of Directors, after consideration of the respective annual
dividend rates and other relative rights and preferences of the respective
Series A Participatingnd classes, shall determine in good faith will result in
fair and equitable treatment among the respective series or classes.

              (b) The Corporation shall not permit any subsidiary of the 
Corporation to purchase or otherwise acquire for consideration any shares of 
stock of the Corporation unless the Corporation could, under paragraph (a) of 
this Section 4, purchase or otehrwise acquire such shares at such time and in 
such manner.

          5.  Reacquired Shares.  Any shares of Series A Participating Preferred
              -----------------
Stock purchased or otherwise acquired by the Corporation in any manner
whatsoever shall be retired and canceled promptly after the acquisition thereof.
All such shares shall upon their cancellation become authorized but unissued
shares of Preferred Stock and may be reissued as part of a new 

                                       39
<PAGE>
 
series of Preferred Stock to be created by resolution or resolutions of the
Board of Directors, subject to the conditions and restrictions on issuance set
forth herein.

          6.  Liquidation, Dissolution or Winding Up.
              ---------------------------------------

              (a)  Upon any voluntary or involuntary liquidation, dissolution or
winding up of the Corporation, no distribution shall be made to the holders of
shares of stock ranking junior (either as to dividends or upon liquidation,
dissolution or winding up) to the Series A Participating Preferred Stock unless,
prior thereto, the holders of shares of Series A Participating Preferred Stock
shall have received $100 per share, plus an amount equal to accrued and unpaid
dividends and distributions thereon, whether or not declared, to the date of
such payment (the "Series A Participating Preferred Stock Liquidation
Preference"). Following the payment of the full amount of the Series A
Participating Preferred Stock Liquidation Preference, no additional
distributions shall be made to the holders of shares of Series A Participating
Preferred Stock unless, prior thereto, the holders of shares of Common Stock
shall have received an amount per share (the "Common Adjustment") equal to the
quotient obtained by dividing (i) the Series A Participating Preferred Stock
Liquidation Preference by (ii) 100 (as appropriately adjusted as set forth in
paragraph (c) below to reflect such events as stock splits, stock dividends and
recapitalizations with respect to the Common Stock) (such number in clause (ii)
being hereinafter referred to as the "Adjustment Number"). Following the payment
of the full amount of the Series A Participating Preferred Stock Liquidation
Preference and the Common Adjustment in respect of all outstanding shares of
Series A Participating Preferred Stock and Common Stock, respectively, holders
of Series A Participating Preferred Stock and holders of shares of Common Stock
shall receive their ratable and proportionate share of the remaining assets to
be distributed in the ratio of the Adjustment Number to 1 with respect to such
Series A Participating Preferred Stock and Common Stock, on a per share basis,
respectively.

              (b)  In the event, however, that there are not sufficient assets
available to permit payment in full of the Series A Participating Preferred
Stock Liquidation Preference and the liquidation preferences of all other series
of Preferred Stock, if any, which rank on a parity with the Series A
Participating Preferred Stock, then such remaining assets shall be distributed
ratably to the holders of all such shares in proportion to their respective
liquidation preferences. In the event, however, that there are not sufficient
assets available to permit payment in full of the Common Adjustment, then such
remaining assets shall be distributed ratably to the holders of Common Stock.

              (c)  In the event the Corporation shall at any time after the
Rights Declaration Date (i) declare any dividend on Common Stock payable in
shares of Common Stock, (ii) subdivide the outstanding Common Stock, or (iii)
combine the outstanding Common Stock into a smaller number of shares, then in
each such case the Adjustment Number in effect immediately prior to such event
shall be adjusted by multiplying such Adjustment Number by a fraction, the
numerator of which is the number of shares of Common Stock outstanding
immediately after such event and the denominator of which is the number of
shares of Common Stock that were outstanding immediately prior to such event.

          7.  Consolidation, Merger, Share Exchange, etc.  In case the
              ------------------------------------------
Corporation shall enter into any consolidation, merger, share exchange,
combination or other transaction in which the shares of Common Stock are
exchanged for or changed into other stock or securities, cash 

                                       40
<PAGE>
 
and/or any other property, then in any such case the shares of Series A
Participating Preferred Stock shall at the same time be similarly exchanged or
changed in an amount per share (subject to the provision for adjustment
hereinafter set forth) equal to 100 times the aggregate amount of stock,
securities, cash and/or any other property (payable in kind), as the case may
be, into which or for which each share of Common Stock is changed or exchanged.
In the event the Corporation shall at any time after the Rights Declaration Date
(i) declare any dividend on Common Stock payable in shares of Common Stock, (ii)
subdivide the outstanding Common Stock, or (iii) combine the outstanding Common
Stock into a smaller number of shares, then in each such case the amount set
forth in the preceding sentence with respect to the exchange or change of shares
of Series A Participating Preferred Stock shall be adjusted by multiplying such
amount by a fraction, the numerator of which is the number of shares of Common
Stock outstanding immediately after such event and the denominator of which is
the number of shares of Common Stock that were outstanding immediately prior to
such event.

          8.   No Redemption.  The shares of Series A Participating Preferred
               -------------
Stock shall not be redeemable.

          9.   Ranking.  The Series A Participating Preferred Stock shall rank
               -------
junior to all other series of the Corporation's Preferred Stock as to the
payment of dividends and the distribution of assets, unless the terms of any
such series shall provide otherwise.

          10.  Amendment.  The Certificate of Incorporation of the Corporation
               ---------
shall not be amended in any manner which would materially alter or change the
powers, preferences or special rights of the Series A Participating Preferred
Stock so as to affect them adversely without the affirmative vote of the holders
of two-thirds or more of the outstanding shares of Series A Participating
Preferred Stock, voting together as a single voting group.

          11.  Fractional Shares.  Series A Participating Preferred Stock may be
               -----------------
issued in fractions of a share which shall entitle the holder, in proportion to
such holder's fractional shares, to exercise voting rights, receive dividends,
participate in distributions and to have the benefit of 

                                       41
<PAGE>
 
all other rights of holders of Series A Participating Preferred Stock.


        IN WITNESS WHEREOF, SEQUUS Pharmaceuticals, Inc. has caused this
Certificate to be signed by I. Craig Henderson, its Chairman and CEO, this 17th
day of April, 1997.



                                 SEQUUS PHARMACEUTICALS, INC.



                                 By:  
                                      --------------------------
                                      Name:   
                                      Title:   

                                       42
<PAGE>
 
                                                                       Exhibit B
                                                                       ---------

                         [FORM OF RIGHTS CERTIFICATE]


Certificate No. R-                                             __________ Rights

     NOT EXERCISABLE AFTER _______________ OR EARLIER IF REDEEMED BY THE
     COMPANY. THE RIGHTS ARE SUBJECT TO REDEMPTION, AT THE OPTION OF THE
     COMPANY, AT $0.01 PER RIGHT ON THE TERMS SET FORTH IN THE RIGHTS AGREEMENT.
     UNDER CERTAIN CIRCUMSTANCES, RIGHTS BENEFICIALLY OWNED BY AN ACQUIRING
     PERSON (AS SUCH TERM IS DEFINED IN THE RIGHTS AGREEMENT) AND ANY SUBSEQUENT
     HOLDER OF SUCH RIGHTS MAY BECOME NULL AND VOID. [THE RIGHTS REPRESENTED BY
     THIS RIGHTS CERTIFICATE ARE OR WERE BENEFICIALLY OWNED BY A PERSON WHO WAS
     OR BECAME AN ACQUIRING PERSON OR AN AFFILIATE OR ASSOCIATE OF AN ACQUIRING
     PERSON (AS SUCH TERMS ARE DEFINED IN THE RIGHTS AGREEMENT). ACCORDINGLY,
     THIS RIGHTS CERTIFICATE AND THE RIGHTS REPRESENTED HEREBY MAY BECOME NULL
     AND VOID IN THE CIRCUMSTANCES SPECIFIED IN SECTION 7(e) OF SUCH
     AGREEMENT.]/1/


                              Rights Certificate
                         SEQUUS PHARMACEUTICALS, INC.

              This certifies that _________________, or his registered assigns,
is the registered owner of the number of Rights set forth above, each of which
entitles the owner thereof, subject to the terms, provisions and conditions of
the Rights Agreement, dated as of April 17, 1997 (the "Rights Agreement")
between SEQUUS Pharmaceuticals, Inc., a Delaware corporation (the "Company"),
and ChaseMellon Shareholder Services, L.L.C. (the "Rights Agent"), to purchase
from the Company at any time prior to 5:00 P.M. (California time) on April 17,
2007 at the office or offices of the Rights Agent designated for such purpose,
or its successors as Rights Agent, one one-hundredth of a fully paid,
nonassessable share of Series A Participating Preferred Stock (the "Preferred
Stock") of the Company, at a purchase price of $75.00 per one one-hundredth of a
share (the "Purchase Price"), upon presentation and surrender of this Rights
Certificate with the Form of Election to Purchase and related Certificate duly
executed. The Purchase Price shall be paid, at the election of the holder, in
cash or shares of Common Stock of the Company having an equivalent value. The
number of Rights evidenced by this Rights Certificate (and the number of shares
which may be purchased upon exercise thereof) set forth above, and the Purchase
Price per

- -----------------------
/1/  The portion of the legend in brackets shall be inserted only if applicable
     and shall replace the preceding sentence.

                                       43
<PAGE>
 
share set forth above, are the number and Purchase Price as of _______________,
based on the Preferred Stock as constituted at such date.

        Upon the occurrence of a Section 11(a)(ii) Event (as such term is
defined in the Rights Agreement), if the Rights evidenced by this Rights
Certificate are beneficially owned by (i) an Acquiring Person or an Affiliate or
Associate of any such Acquiring Person (as such terms are defined in the Rights
Agreement), (ii) a transferee of any such Acquiring Person, Associate or
Affiliate, or (iii) under certain circumstances specified in the Rights
Agreement, a transferee of a person who, after such transfer, became an
Acquiring Person, or an Affiliate or Associate of an Acquiring Person, such
Rights shall become null and void and no holder hereof shall have any right with
respect to such Rights from and after the occurrence of such Section 11(a)(ii)
Event.

        As provided in the Rights Agreement, the Purchase Price and the number
and kind of shares of Preferred Stock or other securities, which may be
purchased upon the exercise of the Rights evidenced by this Rights Certificate
are subject to modification and adjustment upon the happening of certain events,
including Triggering Events.

        This Rights Certificate is subject to all of the terms, provisions and
conditions of the Rights Agreement, which terms, provisions and conditions are
hereby incorporated herein by reference and made a part hereof and to which
Rights Agreement reference is hereby made for a full description of the rights,
limitations of rights, obligations, duties and immunities hereunder of the
Rights Agent, the Company and the holders of the Rights Certificates, which
limitations of rights include the temporary suspension of the exercisability of
such Rights under the specific circumstances set forth in the Rights Agreement.
Copies of the Rights Agreement are on file at the above-mentioned office of the
Rights Agent and are also available upon written request to the Rights Agent.

        This Rights Certificate, with or without other Rights Certificates, upon
surrender at the principal office or offices of the Rights Agent designated for
such purpose, may be exchanged for another Rights Certificate or Rights
Certificates of like tenor and date evidencing Rights entitling the holder to
purchase a like aggregate number of one one-hundredths of a share of Preferred
Stock as the Rights evidenced by the Rights Certificate or Rights Certificates
surrendered shall have entitled such holder to purchase. If this Rights
Certificate shall be exercised in part, the holder shall be entitled to receive
upon surrender hereof another Rights Certificate or Rights Certificates for the
number of whole Rights not exercised.

        Subject to the provisions of the Rights Agreement, the Rights evidenced
by this Certificate may be redeemed by the Company at its option at a redemption
price of $0.01 per Right at any time prior to the earlier of the close of
business on (i) the tenth business day following the Stock Acquisition Date (as
such time period may be extended pursuant to the Rights Agreement), and (ii) the
Final Expiration Date. After the expiration of the redemption period, the
Company's right of redemption may be reinstated if an Acquiring Person reduces
his beneficial ownership to 10% or less of the outstanding shares of Common
Stock in a transaction or series of transactions not involving the Company.
Notwithstanding the foregoing, the Rights generally may not be redeemed for
ninety (90) days following a change in a majority of the Board of Directors of
the Company as a result of a proxy contest.

                                       44
<PAGE>
 
        Subject to the provisions of the Rights Agreement, the Rights evidenced
by this Certificate may be exchanged in whole or in part for shares of the
Company's Common Stock (or shares of Preferred Stock of the Company equal in
market value to one share of Common Stock) at an exchange ratio of one share of
Common Stock per Right, subject to adjustment.

        The Company is not required to issue fractional shares of Preferred
Stock upon the exercise of any Right or Rights evidenced hereby (other than
fractions which are integral multiples of one one-hundredth of a share of
Preferred Stock, which may, at the election of the Company, be evidenced by
depository receipts), but in lieu thereof a cash payment may be made, as
provided in the Rights Agreement.

        No holder of this Rights Certificate shall be entitled to vote or
receive dividends or be deemed for any purpose the holder of shares of Preferred
Stock or of any other securities of the Company which may at any time be
issuable on the exercise hereof, nor shall anything contained in the Rights
Agreement or herein be construed to confer upon the holder hereof, as such, any
of the rights of a stockholder of the Company or any right to vote for the
election of directors or upon any matter submitted to stockholders at any
meeting thereof, or to give or withhold consent to any corporate action, or, to
receive notice of meetings or other actions affecting stockholders (except as
provided in the Rights Agreement), or to receive dividends or subscription
rights, or otherwise, until the Right or Rights evidenced by this Rights
Certificate shall have been exercised as provided in the Rights Agreement.

        This Rights Certificate shall not be valid or obligatory for any purpose
until it shall have been counter-signed by the Rights Agent.

        WITNESS the facsimile signature of the proper officers of the Company
and its corporate seal.

                                 Dated as of the ___ day of _________, 19__.

                                 SEQUUS PHARMACEUTICALS, INC.


                                 By:  ______________________
                                      Name:
                                      Title:

                                 Countersigned:

                                 CHASEMELLON SHAREHOLDER 
                                 SERVICES, L.L.C.


                                 By:  ______________________
                                      Authorized Signature

                                       45
<PAGE>
 
                 [FORM OF REVERSE SIDE OF RIGHTS CERTIFICATE]


                              FORM OF ASSIGNMENT

              (To be executed by the registered holder if such holder desires to
transfer the Rights Certificate.)

FOR VALUE RECEIVED______________________________________________________________
hereby sells, assigns and transfers unto________________________________________
________________________________________________________________________________
                 (Please print name and address of transferee)

________________________________________________________________________________
this Rights Certificate, together with all right, title and interest therein,
and does hereby irrevocably constitute and appoint _______________ Attorney, to
transfer the within Rights Certificate on the books of the within-named Company,
with full power of substitution.

Date: ___________________


                                 _______________________
                                 Signature

Signature Guaranteed:



          Signatures must be guaranteed by a bank, broker, dealer, credit union
          or savings association or other entity that is a member in good
          standing of a signature guarantee medallion program approved by the
          Securities Transfer Association, Inc. 

                                       46
<PAGE>
 
                                  Certificate
                                  -----------

              The undersigned hereby certifies by checking the appropriate boxes
that:

              (1)  this Rights Certificate

                   [  ] is

                   [  ] is not

                   being sold, assigned and transferred by or on behalf of a
                   Person who is or was an Acquiring Person or an Affiliate or
                   Associate of any such Acquiring Person (as such terms are
                   defined pursuant to the Rights Agreement); and

              (2)  after due inquiry and to the best knowledge of the
undersigned, it [ ] did [ ][ did not acquire the Rights evidenced by this Rights
Certificate from any Person who is, was or subsequently became an Acquiring
Person or an Affiliate or Associate of an Acquiring Person.

Date:_____,____
         


                                 _______________________
                                 Signature



Signature Guaranteed:


          Signatures must be guaranteed by a bank, broker, dealer, credit union
          or savings association or other entity that is a member in good
          standing of a signature guarantee medallion program approved by the
          Securities Transfer Association, Inc.

                                    NOTICE
                                    ------

              The signature to the foregoing Assignment and Certificate must
correspond to the name as written upon the face of this Rights Certificate in
every particular, without alteration or enlargement or any change whatsoever.

                                       47
<PAGE>
 
                         FORM OF ELECTION TO PURCHASE
                         ----------------------------

              (a)  (To be executed if holder desire to exercise Rights
represented by the Rights Certificate.)


To:  SEQUUS PHARMACEUTICALS, INC.

       The undersigned hereby irrevocably elects to exercise __________ Rights
represented by this Rights Certificate to purchase the shares of Preferred Stock
issuable upon the exercise of the Rights (or such other securities of the
Company or of any other person which may be issuable upon the exercise of the
Rights) and requests that certificates for such shares be issued in the name of
and delivered to:

Please insert social security or other identifying number:______________________

________________________________________________________________________________
                        (Please print name and address)
________________________________________________________________________________

       If such number of Rights shall not be all the Rights evidenced by this
Rights Certificate, a new Rights Certificate for the balance of such Rights
shall be registered in the name of and delivered to:

Please insert social security or other identifying number:______________________

________________________________________________________________________________
                        (Please print name and address)
________________________________________________________________________________

________________________________________________________________________________

Dated:  ___________________, 19___.


                                 _______________________
                                 Signature



Signature Guaranteed:

        Signatures must be guaranteed by a bank, broker, dealer, credit union or
        savings association or other entity that is a member in good standing of
        a signature guarantee medallion program approved by the Securities
        Transfer Association, Inc.

                                       48
<PAGE>
 
                                  Certificate
                                  -----------

              The undersigned hereby certifies by checking the appropriate boxes
that:

              (1) the Rights evidenced by this Rights Certificate

                  [  ] are

                  [  ] are not

              being exercised by or on behalf of a Person who is or was an
              Acquiring Person or an Affiliate or Associate of any such
              Acquiring Person (as such terms are defined pursuant to the Rights
              Agreement); and

              (2) after due inquiry and to the best knowledge of the
undersigned, it [ ] did [ ] did not acquire the Rights evidenced by this Rights
Certificate from any Person who is, was or became an Acquiring Person or an
Affiliate or Associate of an Acquiring Person.


Dated:  _____________________.



                                 _______________________
                                 Signature


Signature Guaranteed:

       Signatures must be guaranteed by a bank, broker, dealer, credit union or
       savings association or other entity that is a member in good standing of
       a signature guarantee medallion program approved by the Securities
       Transfer Association, Inc.


                                    NOTICE
                                    ------

              The signature to the foregoing Election to Purchase and
Certificate must correspond to the name as written upon the face of this Rights
Certificate in every particular, without alteration or enlargement or any change
whatsoever.

                                       49
<PAGE>
 
                                                                       Exhibit C
                                                                       ---------

                         SUMMARY OF RIGHTS TO PURCHASE
                                PREFERRED STOCK


       On April 17, 1997, the Board of Directors of SEQUUS Pharmaceuticals, Inc.
(the "Company") declared a dividend distribution of one Right for each
outstanding share of Company Common Stock to stockholders of record at the close
of business on April 28, 1997. Each Right entitles the registered holder to
purchase from the Company one one-hundredth of a share of Series A Participating
Preferred Stock, par value $0.01 per share (the "Preferred Stock"), at a
Purchase Price of $75.00 per one one-hundredth of a share, subject to
adjustment. The description and terms of the Rights are set forth in a Rights
Agreement (the "Rights Agreement") between the Company and ChaseMellon
Shareholder Services, L.L.C. as Rights Agent.

       Initially, the Rights will be attached to all Common Stock certificates
representing shares then outstanding, and no separate Rights Certificates will
be distributed. The Rights will separate from the Common Stock and a
Distribution Date will occur upon the earlier of (i) 10 business days following
a public announcement that a person or group of affiliated or associated persons
(an "Acquiring Person") has acquired, or obtained the right to acquire,
beneficial ownership of 15% or more of the outstanding shares of Common Stock
(the "Stock Acquisition Date"), except under certain limited circumstances, or
(ii) 10 business days (or such later date as the Board of Directors shall
determine) following the commencement of a tender or exchange offer that would
result in a person or group beneficially owning 15% or more of such outstanding
shares of Common Stock. Until the Distribution Date, (i) the Rights will be
evidenced by the Common Stock certificates and will be transferred with and only
with such Common Stock certificates, (ii) new Common Stock certificates issued
after April 28, 1997 will contain a notation incorporating the Rights Agreement
by reference, and (iii) the surrender for transfer of any certificates for
Common Stock outstanding will also constitute the transfer of the Rights
associated with the Common Stock represented by such certificates. Pursuant to
the Rights Agreement, the Company reserves the right to require prior to the
occurrence of a Triggering Event (as defined below) that, upon any exercise of
Rights, a number of Rights be exercised so that only whole shares of Preferred
Stock will be issued.

       The Rights are not exercisable until the Distribution Date and will
expire at the close of business on April 17, 2007 unless earlier redeemed by the
Company as described below.

       As soon as practicable after the Distribution Date, Rights Certificates
will be mailed to holders of record of the Common Stock as of the close of
business on the Distribution Date, and thereafter, the separate Rights
Certificates alone will represent the Rights. Except as otherwise determined by
the Board of Directors, only shares of Common Stock issued prior to the
Distribution Date will be issued with Rights.

       In the event that (i) the Company is the surviving corporation in a
merger or other business combination with an Acquiring Person (or any associate
or affiliate thereof) and its Common Stock remains outstanding and unchanged,
(ii) any Acquiring Person shall acquire

                                       50
<PAGE>
 
beneficial ownership of more than 15% of the outstanding shares of Common Stock
(except pursuant to (A) certain consolidations or mergers involving the Company
or sales or transfers of the combined assets or earning power the Company and
its subsidiaries or (B) an offer for all outstanding shares of Common Stock at a
price and upon terms and conditions which a majority of the Board of Directors
determines to be in the best interests of the Company and its stockholders) or
(iii) there occurs a reclassification of securities, a recapitalization of the
Company or any of certain business combinations or other transactions (other
than certain consolidations and mergers involving the Company and sales or
transfers of the combined assets or earning power of the Company and its
subsidiaries) involving the Company or any of its subsidiaries which has the
effect of increasing by more than 1% the proportionate share of any class of the
outstanding equity securities of the Company or any of its subsidiaries
beneficially owned by an Acquiring Person (or any associate or affiliate
thereof), each holder of a Right (other than the Acquiring Person and certain
related parties) will thereafter have the right to receive, upon exercise,
Common Stock (or, in certain circumstances, cash, property or other securities
of the Company) having a value equal to two times the exercise price of the
Right. However, Rights are not exercisable following the occurrence of any of
the events described above until such time as the Rights are no longer
redeemable by the Company as described below. Notwithstanding any of the
foregoing following the occurrence of any of the events described in this
paragraph, all Rights that are, or under certain circumstances specified in the
Rights Agreement were, beneficially owned by any Acquiring Person will be null
and void.

       For example, at an exercise price of $75.00 per Right, each Right not
owned by an Acquiring Person (or by certain related parties or transferees)
following an event set forth in the preceding paragraph would entitle its holder
to purchase $150.00 worth of Common Stock (or other consideration, as noted
above) for $75.00. Assuming that the Common Stock had a per share market price
of $10.00 at such time, the holder of each valid Right would be entitled to
purchase 15 shares of Common Stock for $75.00.

       In the event that, at any time following the Stock Acquisition Date, (i)
the Company is acquired in a merger or other business combination transaction in
which the Company is not the surviving corporation, (ii) the Company is the
surviving corporation in a consolidation or merger pursuant to which all or part
of the outstanding shares of Common Stock are changed into or exchanged for
stock or other securities of any other person or cash or any other property or
(iii) more than 50% of the combined assets of earning power of the Company and
its subsidiaries is sold or transferred (in each case other than certain
consolidations with, mergers with and into, or sales of assets or earning power
by or to subsidiaries of the Company as specified in the Rights Agreement), each
holder of a Right (except Rights which previously have been voided as set forth
above) shall thereafter have the right to receive, upon exercise, common stock
of the acquiring company having a value equal to two times the exercise price of
the Rights. The events described in this paragraph and in the second preceding
paragraph are referred to as the "Triggering Events."

       The Purchase Price payable, the number and kind of shares covered by each
Right and the number of Rights outstanding are subject to adjustment from time
to time to prevent dilution (i) in the event of a stock dividend on, or a
subdivision, combination or reclassification of, the Preferred Stock, (ii) if
holders of the Preferred Stock are granted certain rights or warrants to

                                       51
<PAGE>
 
subscribe for Preferred Stock or securities convertible into Preferred Stock at
less than the current market price of the Preferred Stock, or (iii) upon the
distribution to holders of the Preferred Stock of evidences of indebtedness,
cash (excluding regular quarterly cash dividends), assets (other than dividends
payable in Preferred Stock) or of subscription rights or warrants (other than
those referred to in (ii) immediately above).

       With certain exceptions, no adjustment in the Purchase Price will be
required until cumulative adjustments amount to at least 1% of the Purchase
Price. No fractional shares of Preferred Stock are required to be issued (other
than fractions which are integral multiples of one one-hundredth of a share of
Preferred Stock) and, in lieu thereof, the Company may make an adjustment in
cash based on the market price of the Preferred Stock on the trading data
immediately prior to the date of exercise.

       At any time after any person or group becomes an Acquiring Person and
prior to the acquisition by such person or group of 50% or more of the
outstanding shares of Common Stock, the Board of Directors of the Company may
exchange the Rights (other than Rights owned by such person or group, which will
become void), in whole or in part, for shares of Common Stock at an exchange
ratio of one share of Common Stock (or in certain circumstances Preferred Stock)
per Right (subject to adjustment).

       At any time until ten business days following the Stock Acquisition Date,
the Company may redeem the Rights in whole, but not in part, at a price of $0.01
per Right (payable in cash, shares of Common Stock or other consideration deemed
appropriate by the Board of Directors). Immediately upon the action of the Board
of Directors ordering redemption of the Rights, the Rights will terminate and
the only right of the holders of Rights will be to receive the $0.01 redemption
price. Notwithstanding the foregoing, the Rights generally may not be redeemed
for 90 days following a change in a majority of the Board as a result of a proxy
contest.

       Until a Right is exercised, the holder thereof, as such, will have no
rights as a stockholder of the Company, including, without limitation, the right
to vote or to receive dividends. While the distribution of the Rights will not
be taxable to stockholders or to the Company, stockholders may, depending upon
the circumstances, recognize taxable income in the event that the Rights become
exercisable for Common Stock (or other consideration) of the Company or for
common stock of the acquiring company as set forth above or in the event that
the Rights are redeemed.

       Other than those provisions relating to the principal economic terms of
the Rights, any of the provisions of the Rights Agreement may be amended by the
Board of Directors prior to the Distribution Date. After the Distribution Date,
the provisions of the Rights Agreement may be amended by the Board in order to
cure any ambiguity, to make changes which do not adversely affect the interests
of holders of Rights (excluding the interest of any Acquiring Person) or to
shorten or lengthen any time period under the Rights Agreement; provided,
however, that no amendment to adjust the time period governing redemption shall
be made at such time as the Rights are not redeemable.

                                       52
<PAGE>
 
       A copy of the Rights Agreement has been filed with the Securities and
Exchange Commission as an Exhibit to a Registration Statement on Form 8-A dated
April 17, 1997. A copy of the Rights Agreement is available free of charge from
the Rights Agent. This summary description of the Rights does not purport to be
complete and is qualified in its entirety by reference to the Rights Agreement,
which is incorporated herein by reference.

                                       53


© 2022 IncJournal is not affiliated with or endorsed by the U.S. Securities and Exchange Commission