NEOSE TECHNOLOGIES INC
8-A12G, 1997-10-01
COMMERCIAL PHYSICAL & BIOLOGICAL RESEARCH
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                       SECURITIES AND EXCHANGE COMMISSION
                             Washington, D.C. 20549


                                    Form 8-A


                For Registration of Certain Classes of Securities
                     Pursuant to Section 12(b) or (g) of the
                         Securities Exchange Act of 1934


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


        Delaware                                    13-3549286
      --------------------------------------------------------------------
        (State or other                             (IRS Employer
        jurisdiction of                             Identification No.)
        incorporation or
        organization)

        102 Witmer Road
        Horsham, Pennsylvania                       19044
      --------------------------------------------------------------------
        (Address of principal executive offices)    (Zip Code)


<TABLE>
<S>                                                <C>    
If this form relates to the registration          If this form relates to the registration
of a class of securities pursuant to              of a class of securities pursuant to
Section 12(b) of the Exchange Act and             Section 12(g) of the Exchange Act and
is effective pursuant to General                  is effective pursuant to General
Instruction A.(c), please check the               Instruction A.(d), please check the
following box. |_|                                following box. |X|

 Securities Act registration statement file number to which this form relates:      None
                                                                               ---------------
                                                                               (If applicable)
</TABLE>

     Securities to be registered pursuant to Section 12(b) of the Act:    None
                                                                        --------

        Securities to be registered pursuant to Section 12(g) of the Act:

                         Preferred Share Purchase Rights
      --------------------------------------------------------------------
                                (Title of Class)


                                        1


<PAGE>



Item 1.  Description of Registrant's Securities to be Registered.

         On September 17, 1997, the Board of Directors of Neose Technologies,
Inc. (the "Company") declared a dividend distribution of one right (a "Right")
for each outstanding share of Common Stock, $.01 par value ("Common Share"), of
the Company to stockholders of record at the close of business on October 6,
1997. Each Right entitles the registered holder to purchase from the Company a
unit consisting of one one-hundredth of a share (a "Unit") of the Series A
Junior Participating Preferred Stock, $.01 par value ("Preferred Share"), of the
Company, or a combination of securities and assets of equivalent value, at a
purchase price of $150.00 per Unit (the "Purchase Price"), subject to
adjustment. The description and terms of the Rights are set forth in a Rights
Agreement (the "Rights Agreement") between the Company and American Stock
Transfer & Trust Company, as Rights Agent.

         Initially, ownership of the Rights will be evidenced by the Common
Share certificates representing shares then outstanding, and no separate
certificates evidencing the Rights ("Rights Certificates") will be distributed.
The Rights will separate from the Common Shares and a Distribution Date will
occur upon the earlier of (i) 10 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 Common Shares (the "Stock Acquisition Date"), or (ii) the
close of business on such date as may be fixed by the Board of Directors, which
date shall not be more than 65 days following the commencement of a tender offer
or exchange offer that would result in a person or group beneficially owning 15%
or more of the outstanding Common Shares. Until the Distribution Date, (i) the
Rights will be evidenced by the Common Share certificates and will be
transferred with and only with such Common Share certificates, (ii) new Common
Share certificates issued after October 6, 1997 will contain a notation
incorporating the Rights Agreement by reference and (iii) the surrender for
transfer of any certificates for Common Shares outstanding will also constitute
the transfer of the Rights associated with the Common Shares represented by such
certificates.

         The Rights are not exercisable until the Distribution Date and will
expire at the close of business on October 6, 2007, unless earlier redeemed by
the Company as described below or unless a transaction under Section 13(d) of
the Rights Agreement has occurred.

         As soon as practicable after the Distribution Date, Rights Certificates
will be mailed to holders of record of the Common Shares 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, and except in connection with the exercise of employee
stock options or stock appreciation rights or under any other benefit plan for
employees or directors or in connection with the exercise of warrants or
conversion of convertible securities, only Common Shares issued after October 6,
1997 and prior to the Distribution Date will be issued with Rights.

         Except in the circumstances described below, after the Distribution
Date each Right will be exercisable for one one-hundredth of a Preferred Share
(a "Preferred Share Fraction"). Each Preferred Share Fraction carries voting and
dividend rights that are intended to produce the equivalent of one Common Share.
The voting and dividend rights of the Preferred Shares are subject to adjustment
in the event of dividends, subdivisions and combinations with respect to the
Common Shares of the Company. In lieu of issuing certificates for Preferred
Share Fractions that are less than an integral multiple of one Preferred Share
(i.e., 100 Preferred Share Fractions), the Company may pay cash representing the
current market value of the Preferred Share Fractions.

         In the event that at any time following the Stock Acquisition Date, (i)
the Company is the surviving corporation in a merger with an Acquiring Person
and its Common Shares remain outstanding, (ii) a Person becomes the beneficial
owner of more than 15% of the then outstanding Common Shares other than pursuant
to a tender offer that provides fair value to all stockholders, (iii) an
Acquiring Person engages in one or more "self-dealing" transactions as set forth
in the Rights Agreement, or (iv) during such time as there is an Acquiring
Person an event occurs that results in such Acquiring Person's ownership
interest being increased by more than 1% (e.g., a reverse stock split), each
holder of a Right will thereafter have the right to receive, upon exercise,
Common Shares (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. In lieu of requiring payment of the Purchase Price upon exercise of the
Rights following any such event, the Company may permit the holders simply to
surrender the Rights, in which event they will be entitled to receive Common
Shares (and

                                        2

<PAGE>


other property, as the case may be) with a value of 50% of what could be
purchased by payment of the full Purchase Price. Notwithstanding any of the
foregoing, following the occurrence of any of the events set forth in clauses
(i), (ii), (iii) or (iv) of this paragraph, all Rights that are, or (under
certain circumstances specified in the Rights Agreement) were, beneficially
owned by any Acquiring Person who was involved in the transaction giving rise to
any such event will be null and void. However, Rights are not exercisable
following the occurrence of any of the events set forth above until such time as
the Rights are no longer redeemable by the Company as set forth below.

         For example, at an exercise price of $150.00 per Right, each Right not
otherwise voided following an event set forth in the preceding paragraph would
entitle its holder to purchase $300.00 worth of Common Shares (or other
consideration, as noted above) for $150.00. Assuming that the Common Shares had
a per share value of $50.00 at such time, the holder of each valid Right would
be entitled to purchase six Common Shares for $150.00. Alternatively, the
Company could permit the holder to surrender each Right in exchange for stock or
cash equivalent to three Common Shares (with a value of $150.00) without the
payment of any consideration other than the surrender of the Right.

         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 (other than a merger that is
described in, or that follows a tender offer or exchange offer described in, the
second preceding paragraph), or (ii) 50% or more of the Company's assets or
earning power is sold or transferred, each holder of a Right (except Rights that
previously have been voided as set forth above) shall thereafter have the right
to receive, upon exercise, common shares of the acquiring company having a value
equal to two times the exercise price of the Right. Again, provision is made to
permit surrender of the Rights in exchange for one-half of the value otherwise
purchasable. The events set forth in this paragraph and in the second preceding
paragraph are referred to as the "Triggering Events."

         The Purchase Price payable, and the number of Units of Preferred Shares
or other securities or property issuable upon exercise of the Rights 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
Shares, (ii) if holders of the Preferred Shares are granted certain rights or
warrants to subscribe for Preferred Shares or convertible securities at less
than the current market price of the Preferred Shares, or (iii) upon the
distribution to holders of the Preferred Shares of evidences of indebtedness or
assets (excluding dividends out of retained earnings of the Company as specified
in Section 1(a) of the Certificate of Designations establishing and designating
the Preferred Shares) or of subscription rights or warrants (other than those
referred to 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 Units will be issued and, in lieu thereof, an adjustment in
cash will be made based on the market price of the Preferred Shares on the last
trading date prior to the date of exercise.

         At any time until ten days following the Stock Acquisition Date, the
Company may redeem the Rights in whole, but not in part, at a price of $.01 per
Right. That ten-day redemption period may be extended by the Board of Directors
so long as the Rights are still redeemable. Under certain circumstances set
forth in the Rights Agreement, the decision to redeem will require the
concurrence of a majority of the Continuing Directors. Immediately upon the
action of the Board of Directors ordering redemption of the Rights, with, where
required, the concurrence of the Continuing Directors, the Rights will terminate
and the only right of the holders of Rights will be to receive the $.01
redemption price.

         The term "Continuing Directors" means any member of the Board of
Directors of the Company who was a member of the Board prior to the date of the
Rights Agreement, and any person who is subsequently elected to the Board if
such person is recommended or approved by a majority of the Continuing
Directors, but shall not include an Acquiring Person, or an affiliate or
associate of an Acquiring Person, or any representative of the foregoing
entities.

         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. Although 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 Preferred Shares (or other consideration) of the Company

                                        3

<PAGE>


or for common shares of the acquiring company as set forth above.

         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 of the Company prior to the Distribution Date. After the
Distribution Date, the provisions of the Rights Agreement may be amended by the
Board (in certain circumstances, with the concurrence of the Continuing
Directors) in order to cure any ambiguity, to make changes that 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 redemption shall be made at such time as the Rights are not
redeemable.

         The foregoing summary description of the Rights does not purport to be
complete and is qualified in its entirety by reference to the Rights Agreement.


Item 2.  Exhibits.

   3.1   Second Amended and Restated Certificate of Incorporation of Neose 
         Technologies, Inc. (Exhibit 3.2)(1)

   3.2*  Certificate of Designations establishing and designating the Series A
         Junior Participating Preferred Stock.

   3.3*  Amended and Restated By-Laws of Neose Technologies, Inc.

   4.1*  Rights Agreement, dated as of September 26, 1997, between Neose 
         Technologies, Inc. and American Stock Transfer & Trust Company, as 
         Rights Agent.

- ---------------

*        Filed herewith.

(1)      Filed as an Exhibit to Neose Technologies, Inc.'s Registration 
         Statement on Form S-1 (Reg. No. 33-80693) filed with the Securities 
         and Exchange Commission on December 21, 1995, as amended.

                                        4

<PAGE>


                                    SIGNATURE
                                    ---------


         Pursuant to the requirements of Section 12 of the Securities Exchange
Act of 1934, the registrant has duly caused this registration statement to be
signed on its behalf by the undersigned, thereto duly authorized.


                                   NEOSE TECHNOLOGIES, INC.


Date:  October 1, 1997             By: /s/ Stephen A. Roth
                                       -------------------------------------
                                       Stephen A. Roth
                                       Chairman and Chief Executive Officer


<PAGE>


                                  EXHIBIT INDEX


Exhibit
- -------

   3.1   Second Amended and Restated Certificate of Incorporation of Neose 
         Technologies, Inc. (Exhibit 3.2)(1)

   3.2*  Certificate of Designations establishing and designating the Series A
         Junior Participating Preferred Stock.

   3.3*  Amended and Restated By-Laws of Neose Technologies, Inc.

   4.1*  Rights Agreement, dated as of September 26, 1997, between Neose 
         Technologies, Inc. and American Stock Transfer & Trust Company, as 
         Rights Agent.

- ---------------

*        Filed herewith.

(1)      Filed as an Exhibit to Neose Technologies, Inc.'s Registration S
         tatement on Form S-1 (Reg. No. 33-80693) filed with the Securities and
         Exchange Commission on December 21, 1995, as amended.





                                                                     Exhibit 3.2

                           CERTIFICATE OF DESIGNATIONS

                                       OF

                            NEOSE TECHNOLOGIES, INC.


                      ------------------------------------
                          Pursuant to Section 151(g) of
                      the Delaware General Corporation Law
                      ------------------------------------


         1. Neose Technologies, Inc., a Delaware corporation (the
"Corporation"), is authorized to issue two classes of shares known as Common
Stock and Preferred Stock.

         2. The Board of Directors of the Corporation is authorized by the
Second Amended and Restated Certificate of Incorporation of the Corporation (the
"Restated Certificate") to provide for the issuance of the shares of Preferred
Stock in series, and by filing a certificate pursuant to the applicable law of
the State of Delaware, to establish from time to time the number of shares to be
included in each such series, and to fix the designation, powers, preferences,
and rights of the shares of each such series and the qualifications, limitations
or restrictions thereof.

         3. The Restated Certificate does not set forth any such designation,
powers, preferences, and rights of any shares or series of the Preferred Stock.

         4. Attached as Exhibit A and incorporated herein is a copy of the
resolution adopted on the 17th day of September, 1997, by the Board of Directors
of the Corporation establishing and designating the Series A Junior
Participating Preferred Shares as a series of the Preferred Stock.

         5. The number of shares constituting the Series A Junior Participating
Preferred Shares shall be 300,000.

                                        1

<PAGE>


         IN WITNESS WHEREOF, the Corporation has caused this Certificate of
Designations to be duly adopted in accordance with the provisions of Section
151(g) of the General Corporation Law of the State of Delaware and the Restated
Certificate and to be executed in its corporate name on the 26th day of
September, 1997.

                                     NEOSE TECHNOLOGIES, INC.


                                     By: /s/Stephen A. Roth
                                         --------------------------------------
                                         Stephen A. Roth
                                         Chairman and Chief Executive Officer


                                        2

<PAGE>



                                                                       EXHIBIT A


                     RESOLUTION OF THE BOARD OF DIRECTORS OF
                            NEOSE TECHNOLOGIES, INC.
                          ESTABLISHING AND DESIGNATING
                 SERIES A JUNIOR PARTICIPATING PREFERRED SHARES
                       AS A SERIES OF THE PREFERRED STOCK


         RESOLVED, that pursuant to the authority expressly vested in the Board
of Directors of Neose Technologies, Inc. (the "Corporation") by ARTICLE V of the
Second Amended and Restated Certificate of Incorporation of the Corporation, the
Board of Directors hereby fixes and determines the voting rights, designations,
preferences, qualifications, privileges, limitations, restrictions, options,
conversion rights and other special or relative rights of the first series of
the Preferred Stock, par value $.01 per share, which shall consist of 300,000
shares and shall be designated as Series A Junior Participating Preferred Shares
(the "Series A Preferred Shares").

Special Terms of the Series A Preferred Shares

         Section 1. Dividends and Distributions.

         (a) Dividends shall be payable on the Series A Preferred Shares on such
payment date as shall be specified by the Board of Directors (each such date
being referred to herein as a "Dividend Payment Date"), in an amount per share
(rounded to the nearest cent) equal to, subject to the provision for adjustment
hereinafter set forth, 100 times the aggregate per share amount of all cash
dividends, and 100 times the aggregate per share amount (payable in cash, based
upon the fair market value at the time the non-cash dividend or other
distribution is declared or paid as determined in good faith by the Board of
Directors) 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 of the Corporation since the immediately preceding Dividend Payment
Date, or, with respect to the first Dividend Payment Date, since the first
issuance of any share or fraction of a share of the Series A Preferred Shares.
Dividends on the Series A Preferred Shares shall be paid out of funds legally
available for such purpose. In the event the Corporation shall at any time after
October 6, 1997 (the "Rights Declaration Date") (i) declare any dividend on
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, then in each such case the amounts to which
holders of Series A Preferred Shares were entitled immediately prior to such
event under clause (ii) of the preceding sentence shall be adjusted by
multiplying each 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.


                                       A-1

<PAGE>



         (b) Dividends shall begin to accrue and be cumulative on outstanding
Series A Preferred Shares from the Dividend Payment Date next preceding the date
of issue of such Series A Preferred Shares, unless the date of issue of such
shares is prior to the record date for the first 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 Dividend Payment Date or is a date
after the record date for the determination of holders of Series A Preferred
Shares entitled to receive a dividend and before such Dividend Payment Date, in
either of which events such dividends shall begin to accrue and be cumulative
from such Dividend Payment Date. Accrued but unpaid dividends shall not bear
interest. Dividends paid on the Series A Preferred Shares 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.

         Section 2. Voting Rights. In addition to any other voting rights
required by law, the holders of Series A Preferred Shares shall have the
following voting rights:

         (a) Subject to the provision for adjustment hereinafter set forth, each
Series A Preferred Share 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 shares of Common Stock, or (iii) combine the outstanding shares
of Common Stock into a smaller number of shares, then in each such case the
number of votes per share to which holders of Series A Preferred Shares 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) In the event that dividends upon the Series A Preferred Shares
shall be in arrears for two successive Dividend Payment Dates and such dividends
shall not have been paid by the 60th day after the second Dividend Payment Date,
the holders of such Series A Preferred Shares shall become entitled to the
extent hereinafter provided to vote noncumulatively at all elections of
directors of the Corporation, and to receive notice of all stockholders'
meetings to be held for such purpose. At such meetings, to the extent that
directors are being elected, the holders of such Series A Preferred Shares
voting as a class shall be entitled solely to elect two members of the Board of
Directors of the Corporation; and all other directors of the Corporation shall
be elected by the other stockholders of the Corporation entitled to vote in the
election of directors. Such voting rights of the holders of such Series A
Preferred Shares shall continue until all accumulated and unpaid dividends
thereon shall have been paid or funds sufficient therefor set aside, whereupon
all such voting rights of the holders of shares of such series shall cease,
subject to being again revived from time to time upon the reoccurrence of the
conditions above described as giving rise thereto.

         At any time when such right to elect directors separately as a class
shall have so vested, the Corporation may, and upon the written request of the
holders of record of not less than 20% of the then outstanding total number of
shares of all the Series A Preferred Shares having the


                                       A-2

<PAGE>



right to elect directors in such circumstances shall, call a special meeting of
holders of such Series A Preferred Shares for the election of directors. In the
case of such a written request, such special meeting shall be held within 90
days after the delivery of such request, and, in either case, at the place and
upon the notice provided by law and in the By-laws of the Corporation; provided,
that the Corporation shall not be required to call such a special meeting if
such request is received less than 120 days before the date fixed for the next
ensuing annual or special meeting of stockholders of the Corporation. Upon the
mailing of the notice of such special meeting to the holders of such Series A
Preferred Shares, or, if no such meeting be held, then upon the mailing of the
notice of the next annual or special meeting of stockholders for the election of
directors, the number of directors of the Corporation shall, ipso facto, be
increased to the extent, but only to the extent, necessary to provide sufficient
vacancies to enable the holders of such Series A Preferred Shares to elect the
two directors hereinabove provided for, and all such vacancies shall be filled
only by vote of the holders of such Series A Preferred Shares as hereinabove
provided. Whenever the number of directors of the Corporation shall have been
increased, the number as so increased may thereafter be further increased or
decreased in such manner as may be permitted by the By-laws and without the vote
of the holders of Series A Preferred Shares, provided that no such action shall
impair the right of the holders of Series A Preferred Shares to elect and to be
represented by two directors as herein provided.

         So long as the holders of Series A Preferred Shares are entitled
hereunder to voting rights, any vacancy in the Board of Directors caused by the
death or resignation of any director elected by the holders of Series A
Preferred Shares, shall, until the next meeting of stockholders for the election
of directors, in each case be filled by the remaining director elected by the
holders of Series A Preferred Shares having the right to elect directors in such
circumstances.

         Upon termination of the voting rights of the holders of Series A
Preferred Shares, the terms of office of all persons who shall have been elected
directors of the Corporation by vote of the holders of Series A Preferred Shares
or by a director elected by such holders shall forthwith terminate.

         (c) Except as otherwise provided herein, in the Certificate of
Incorporation of the Corporation or by law, the holders of Series A Preferred
Shares and the holders of Common Stock (and the holders of shares of any other
series or class entitled to vote thereon) shall vote together as one class on
all matters submitted to a vote of stockholders of the Corporation.

         Section 3. Reacquired Shares. Any Series A Preferred Shares 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 Preferred Stock and
may be reissued as part of a new series of Preferred Stock to be created by
resolution or resolutions of the Board of Directors.

         Section 4. Liquidation, Dissolution or Winding Up. In the event of any
voluntary or involuntary liquidation, dissolution or winding up of the
Corporation, the holders of Series A


                                       A-3

<PAGE>


Preferred Shares shall be entitled to receive the greater of (a) $1.00 per
share, plus accrued dividends to the date of distribution, whether or not earned
or declared, or (b) an amount per share, subject to the provision for adjustment
hereinafter set forth, equal to 100 times the aggregate amount to be distributed
per share to holders of Common Stock. 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 shares of
Common Stock, or (iii) combine the outstanding shares of Common Stock into a
smaller number of shares, then in each such case the amount to which holders of
Series A Preferred Shares were entitled immediately prior to such event pursuant
to 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.

         Section 5. Consolidation, Merger, etc. In case the Corporation shall
enter into any consolidation, merger, combination or other transaction in which
the shares of Common Stock are exchanged for or changed into other stock or
securities, cash and/or any other property, then in any such case the Series A
Preferred Shares 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
shares of Common Stock, or (iii) combine the outstanding shares of 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 Preferred Shares 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.

         Section 6. No Redemption. The Series A Preferred Shares shall not be
redeemable.

         Section 7. Ranking. The Series A Preferred Shares 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.

         Section 8. Fractional Shares. Series A Preferred Shares 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 all other rights of
holders of Series A Preferred Shares.


                                       A-4




                          AMENDED AND RESTATED BY-LAWS
                                       OF
                            NEOSE TECHNOLOGIES, INC.

                                    ARTICLE I

                                     OFFICES

     Section 1. The registered office shall be in the city of Dover, County of
Kent, State of Delaware.

     Section 2. The corporation may also have offices at such other places both
within and without the State of Delaware as the Board of Directors may from time
to time determine or the business of the corporation may require.


                                   ARTICLE II

                            MEETINGS OF STOCKHOLDERS

     Section 1. All meetings of the stockholders for the election of directors
shall be held at such place as may be fixed from time to time by the Board of
Directors, or at such other place either within or without the State of Delaware
as shall be designated from time to time by the Board of Directors and stated in
the notice of the meeting. Meetings of stockholders for any other purpose may be
held at such time and place, within or without the State of Delaware, as shall
be stated in the notice of the meeting or in a duly executed waiver of notice
thereof.

     Section 2. Annual meetings of stockholders shall be held at such date and
time as shall be designated from time to time by the Board of Directors and
stated in the notice

                                        1


<PAGE>



of the meeting, at which they shall elect by a plurality vote a Board of
Directors, and transact such other business as may properly be brought before
the meeting.

     Section 3. Written notice of the annual meeting stating the place, date and
hour of the meeting shall be given to each stockholder entitled to vote at such
meeting not fewer than ten (10) nor more than sixty (60) days before the date of
the meeting.

     Section 4. The officer who has charge of the stock ledger of the
corporation shall prepare and make, at least ten (10) days before every meeting
of stockholders, a complete list of the stockholders entitled to vote at the
meeting, arranged in alphabetical order, and showing the address of each
stockholder and the number of shares registered in the name of each stockholder.
Such list shall be open to the examination of any stockholder, for any purpose
germane to the meeting, during ordinary business hours, for a period of at least
ten (10) days prior to the meeting, either at a place within the city where the
meeting is to be held, which place shall be specified in the notice of the
meeting, or, if not so specified, at the place where the meeting is to be held.
The list shall also be produced and kept at the time and place of the meeting
during the whole time thereof, and may be inspected by any stockholder who is
present.

     Section 5. Special meetings of the stockholders, for any purpose or
purposes, unless otherwise prescribed by statute or by the certificate of
incorporation, may be called by the president and shall be called by the
president or secretary at the request in writing of a majority of the Board of
Directors.

     Section 6. Written notice of a special meeting stating the place, date and
hour of the meeting and the purpose or purposes for which the meeting is called,
shall be


                                        2


<PAGE>



given not fewer than ten (10) nor more than sixty (60) days before the date of
the meeting, to each stockholder entitled to vote at such meeting.

     Section 7. Business transacted at any special meeting of stockholders shall
be limited to the purposes stated in the notice.

     Section 8. The holders of fifty percent (50%) of the stock issued and
outstanding and entitled to vote thereat, present in person or represented by
proxy, shall constitute a quorum at all meetings of the stockholders for the
transaction of business except as otherwise provided by statute or by the
certificate of incorporation. If, however, such quorum shall not be present or
represented at any meeting of the stockholders, the stockholders entitled to
vote thereat, present in person or represented by proxy, shall have power to
adjourn the meeting from time to time, without notice other than announcement at
the meeting, until a quorum shall be present or represented. At such adjourned
meeting at which a quorum shall be present or represented any business may be
transacted which might have been transacted at the meeting as originally
notified. If the adjournment is for more than thirty (30) days, or if after the
adjournment a new record date is fixed for the adjourned meeting, a notice of
the adjourned meeting shall be given to each stockholder of record entitled to
vote at the meeting.

     Section 9. When a quorum is present at any meeting, the vote of the holders
of a majority of the stock having voting power present in person or represented
by proxy shall decide any question brought before such meeting, unless the
question is one upon which by express provision of the statutes or of the
certificate of incorporation, a different vote is required, in which case such
express provision shall govern and control the decision of such question.

                                        3


<PAGE>



     Section 10. Unless otherwise provided in the certificate of incorporation
each stockholder shall at every meeting of the stockholders be entitled to one
vote in person or by proxy for each share of the capital stock having voting
power held by such stockholder, but no proxy shall be voted on after three (3)
years from its date, unless the proxy provides for a longer period.

     Section 11. A. Annual Meetings of Stockholders

        1. Nominations of persons for election to the Board of Directors and the
proposal of business to be considered by the stockholders may be made at an
annual meeting of stockholders (a) pursuant to the corporation's notice of
meeting, (b) by or at the direction of the Board of Directors or (c) by any
stockholder of the corporation who was a stockholder of record at the time of
giving of notice provided for in this Section 11, who is entitled to vote at the
meeting and who complies with the notice procedures set forth in this Section
11.

        2. For nominations or other business to be properly brought before an
annual meeting by a stockholder pursuant to clause (c) of paragraph (A)(1) of
this Section 11, the stockholder must have given timely notice thereof in
writing to the Secretary of the corporation and such other business must
otherwise be a proper matter for stockholder action. To be timely, a
stockholder's notice shall be delivered to the Secretary at the principal
executive offices of the corporation not later than the close of business on the
one hundred twentieth (120th) day nor earlier than the close of business on the
one hundred fiftieth (150th) day prior to the first anniversary of the date of
the proxy statement delivered to stockholders in connection with the preceding
year's annual meeting; provided, however, that if either (i) the date of the
annual meeting is more than thirty (30) days before or more than sixty (60) days

                                        4


<PAGE>


after such an anniversary date or (ii) no proxy statement was delivered to
stockholders in connection with the preceding year's annual meeting, notice by
the stockholder to be timely must be so delivered not earlier than the close of
business on the ninetieth (90th) day prior to such annual meeting and not later
than the close of business on the later of the sixtieth (60th) day prior to such
annual meeting or the close of business on the tenth (10th) day following the
day on which public announcement of the date of such meeting is first made by
the corporation. Such stockholder's notice shall set forth (a) as to each person
whom the stockholder proposes to nominate for election or reelection as a
director, all information relating to such person that is required to be
disclosed in solicitations of proxies for election of directors, or is otherwise
required, in each case pursuant to Regulation 14A under the Securities Exchange
Act of 1934, as amended (the "Exchange Act") (including such person's written
consent to being named in the proxy statement as a nominee and to serving as a
director it elected); (b) as to any other business that the stockholder proposes
to bring before the meeting, a brief description of the business desired to be
brought before the meeting, the reasons for conducting such business at the
meeting and any material interest in such business of such stockholder and the
beneficial owner, if any, on whose behalf the proposal is made; and (c) as to
the stockholder giving the notice and the beneficial owner, if any, on whose
behalf the nomination or proposal is made (i) the name and address of such
stockholder, as they appear on the corporation's books, and of such beneficial
owner and (ii) the class and number of shares of capital stock of the
corporation that are owned beneficially and held of record by such stockholder
and such beneficial owner.

        3. Notwithstanding anything in the second sentence of paragraph (A)(2)
of this Section 11 to the contrary, in the event that the number of directors to
be elected

                                        5


<PAGE>



to the Board of Directors of the corporation is increased and there is no public
announcement by the corporation naming all of the nominees for director or
specifying the size of the increased Board of Directors at least seventy (70)
days prior to the first anniversary of the preceding year's annual meeting (or,
if the annual meeting is held more than thirty (30) days before or sixty (60)
days after such anniversary date, at least seventy (70) days prior to such
annual meeting), a stockholder's notice required by this Section 11 shall also
be considered timely, but only with respect to nominees for any new positions
created by such increase, if it shall be delivered to the Secretary at the
principal executive office of the corporation not later than the close of
business on the tenth (10th) day following the day on which such public
announcement is first made by the corporation.

        B. Special Meetings of Stockholders. Only such business shall be
conducted at a special meeting of stockholders as shall have been brought before
the meeting pursuant to the corporation's notice of meeting. Nominations of
persons for election to the Board of Directors may be made at a special meeting
of stockholders at which directors are to be elected pursuant to the
corporation's notice of meeting (a) by or at the direction of the Board of
Directors or (b) provided that the Board of Directors has determined that
directors shall be elected at such meeting, by any stockholder of the
corporation who is a stockholder of record at the time of giving of notice of
the special meeting, who shall be entitled to vote at the meeting and who
complies with the notice procedures set forth in this Section 11. If the
corporation calls a special meeting of stockholders for the purpose of electing
one or more directors to the Board of Directors, any such stockholder may
nominate a person or persons (as the case may be), for election to such
position(s) as specified in the corporation's notice of meeting, if the
stockholder's notice required by paragraph (A)(2) of this Section 11 shall be

                                        6


<PAGE>


delivered to the Secretary at the principal executive offices of the corporation
not earlier than the ninetieth (90th) day prior to such special meeting not
later than the later of (x) the close of business of the sixtieth (60th) day
prior to such special meeting or (y) the close of business of the tenth (10th)
day following the day on which public announcement is first made of the date of
such special meeting and of the nominees proposed by the Board of Directors to
be elected at such meeting.

     C. General.

        1. Only such persons who are nominated in accordance with the procedures
set forth in this Section 11 shall be eligible to serve as directors and only
such business shall be conducted at a meeting of stockholders as shall have been
brought before the meeting in accordance with the procedures set forth in this
Section 11. Except as otherwise provided by law, the certificate of
incorporation or these by-laws, the chairman of the meeting shall have the power
and duty to determine whether a nomination or any business proposed to be
brought before the meeting was made or proposed, as the case may be, in
accordance with the procedures set forth in this Section 11 and, if any proposed
nomination or business is not incompliance herewith, to declare that such
defective proposal or nomination shall be disregarded.

        2. For purposes of this Section 11, "public announcement" shall mean
disclosure in a press release reported by the Dow Jones News Service, Associated
Press or comparable national news service or in a document publicly filed by the
corporation with the Securities and Exchange Commission pursuant to Section 13,
14 and 15(d) of the Exchange Act.

                                        7


<PAGE>


        3. Notwithstanding the foregoing provisions of this Section 11, a
stockholder shall also comply with all applicable requirements of the Exchange
Act and the rules and regulations thereunder with respect to the matters set
forth herein. Nothing in this Section 11 shall be deemed to affect any rights
(i) of stockholders to request inclusion of proposals in the corporation's proxy
statement pursuant to Rule 14a-8 under the Exchange Act or (ii) of the holders
of any series of Preferred Stock to elect directors under specified
circumstances.

     Notwithstanding any other provision of law, the certificate of
incorporation or these by-laws, and notwithstanding the fact that a lesser
percentage may be specified by law, the affirmative vote of the holders of at
least seventy-five percent (75) of the votes which all the stockholders would be
entitled to cast at any annual election of directors or class of directors shall
be required to amend or repeal, or to adopt any provision inconsistent with,
this Section 11.

                                   ARTICLE III

                                    DIRECTORS

     Section 1. The number of directors which shall constitute the whole
Board shall be determined by resolution of the Board of Directors or by the
stockholders at the annual meeting of the stockholders, except as provided in
Section 2 of this Article, and each director elected shall hold office until
said director's successor is elected and qualified. Directors need not be
stockholders.

     Section 2. Vacancies and new created directorships resulting from any
increase in the authorized number of directors may be filled by a majority of
the directors then

                                        8


<PAGE>


in office, though less than a quorum, or by a sole remaining director, and the
directors so chosen shall hold office until the next annual election and until
their successors are duly elected and shall qualify, unless sooner displaced. If
there are no directors in office, then an election of directors may be held in
the manner provided by statute. If, at the time of filling any vacancy or any
newly created directorship, the directors then in office shall constitute less
than a majority of the whole Board (as constituted immediately prior to any such
increase), the Court of Chancery may, upon application of any stockholder or
stockholders holding at least ten percent of the total number of the shares at
the time outstanding having the right to vote for such directors, summarily
order an election to be held to fill any such vacancies or newly created
directorships, or to replace the directors chosen by the directors then in
office.

     Section 3. The business of the corporation shall be managed by or under
the direction of its Board of Directors which may exercise all such powers of
the corporation and do all such lawful acts and things as are not by statute or
by the certificate of incorporation or by these by-laws directed or required to
be exercised or done by the stockholders.

                       MEETINGS OF THE BOARD OF DIRECTORS

     Section 4. The Board of Directors of the corporation may hold meetings,
both regular and special, either within or without the State of Delaware.

     Section 5. The first meeting of each newly elected Board of Directors
shall be held at such time and place as shall be fixed by the vote of the
stockholders at the annual meeting and no notice of such meeting shall be
necessary to the newly elected directors in order legally to constitute the
meeting, provided a quorum shall be present. In the event of the failure of the
stockholders to fix the time or place of such first meeting of the newly elected
Board of Directors, or in the event such meeting is not held at the time and
place so fixed by

                                        9


<PAGE>



the stockholders, the meeting may be held at such time and place as shall be
specified in a notice given as hereinafter provided for special meetings of the
Board of Directors, or as shall be specified in a written waiver signed by all
of the directors.

     Section 6. Regular meetings of the Board of Directors may be held
without notice at such time and at such place as shall from time to time be
determined by the Board.

     Section 7. Special meetings of the Board may be called by the president
on two (2) days' notice to each director by mail or forty-eight (48) hours
notice to each director either personally or by telegram; special meetings shall
be called by the president or secretary in like manner and on like notice on the
written request of two directors unless the Board consists of only one director,
in which case special meetings shall be called by the president or secretary in
like manner and on like notice on the written request of the sole director.

     Section 8. At all meetings of the Board a majority of the directors
shall constitute a quorum for the transaction of business and the act of a
majority of the directors present at any meeting at which there is a quorum
shall be the act of the Board of Directors, except as may be otherwise
specifically provided by statute or by the certificate of incorporation. If a
quorum shall not be present at any meeting of the Board of Directors, the
directors present thereat may adjourn the meeting from time to time, without
notice other than announcement at the meeting, until a quorum shall be present.

     Section 9. Unless otherwise restricted by the certificate of
incorporation of these by-laws, any action required or permitted to be taken at
any meeting of the Board of Directors or of any committee thereof may be taken
without a meeting, if all members of the Board or committee, as the case may be,
consent thereto in writing, and the writing or writings are filed with the
minutes of proceedings of the Board or committee.

                                       10


<PAGE>


     Section 10. Unless otherwise restricted by the certificate of
incorporation or these by-laws, members of the Board of Directors, or any
committee designated by the Board of Directors, may participate in a meeting of
the Board of Directors, or any committee, by means of conference telephone or
similar communications equipment by means of which all persons participating in
the meeting can hear each other, and such participation in a meeting shall
constitute presence in person at the meeting.

                             COMMITTEES OF DIRECTORS

     Section 11. The Board of Directors may, by resolution passed by a
majority of the whole board, designate one or more committees, each committee to
consist of one or more of the directors of the corporation. The Board may
designate one or more directors as alternate members of any committee, who may
replace any absent or disqualified member at any meeting of the committee.

     In the absence of disqualification of a member of a committee, the
member or members thereof present at any meeting and not disqualified from
voting, whether or not the member or members constitute a quorum, may
unanimously appoint another member of the Board of Directors to act at the
meeting in the place of any such absent or disqualified member.

     Any such committee, to the extent provided in the resolution of the
Board of Directors, shall have and may exercise all the powers and authority of
the Board of Directors in the management of the business and affairs of the
corporation, and may authorize the seal of the corporation to be affixed to all
papers which may require it; but no such committee shall have the power or
authority in reference to amending the certificate of incorporation, adopting an
agreement of merger or consolidation, recommending to the stockholders the sale,
lease or

                                       11


<PAGE>


exchange of all or substantially all of the corporation's property and assets,
recommending to the stockholders a dissolution of the corporation or a
revocation of a dissolution, or amending the by-laws of the corporation; and,
unless the resolution or the certificate of incorporation expressly so provide,
no such committee shall have the power or authority to declare a dividend or to
authorize the issuance of stock. Such committee or committees shall have such
name or names as may be determined from time to time by resolution adopted by
the Board of Directors.

     Section 12. Each committee shall keep regular minutes of its meetings
and report the same to the Board of Directors when required.

                            COMPENSATION OF DIRECTORS

     Section 13. Unless otherwise restricted by the certificate of
incorporation or these by-laws, the Board of Directors shall have the authority
to fix the compensation of directors. The directors may be paid their expenses,
if any, of attendance at each meeting of the Board of Directors and may be paid
a fixed sum for attendance at each meeting of the Board of Directors or a stated
salary as director. No such payment shall preclude any director from serving the
corporation in any other capacity and receiving compensation therefor. Members
of special or standing committees may be allowed like compensation for attending
committee meetings.

                              REMOVAL OF DIRECTORS

     Section 14. Unless otherwise restricted by the certificate of
incorporation or by-laws, any director or the entire Board of Directors may be
removed, with or without cause, by the holders of a majority of shares entitled
to vote at an election of directors.


                                       12


<PAGE>

                                   ARTICLE IV

                                     NOTICES

     Section 1. Whenever, under the provisions of the statutes or of the
certificate of incorporation or of these by-laws, notice is required to be given
to any director or stockholder, it shall not be construed to mean personal
notice, but such notice may be given in writing, by mail, addressed to such
director or stockholder, at such director's or stockholder's address as it
appears on the records of the corporation, with postage thereon prepaid, and
such notice shall be deemed to be given at the time when the same shall be
deposited in the United States mail. Notice to directors may also be given by
telegram.

     Section 2. Whenever any notice is required to be given under the
provisions of the statutes or of the certificate of incorporation or of these
by-laws, a waiver thereof in writing, signed by the person or persons entitled
to said notice, whether before or after the time stated therein, shall be deemed
equivalent thereto.

                                    ARTICLE V

                                    OFFICERS

     Section 1. The officers of the corporation shall be chosen by the Board
of Directors and shall be a chief executive officer, chief financial officer,
president, treasurer and a secretary. The Board of Directors may elect from
among its members a Chairman of the Board and a Vice Chairman of the Board. The
Board of Directors may also choose one or more vice-presidents, assistant
secretaries and assistant treasurers. Any number of offices may be held by the
same person, unless the certificate of incorporation or these by-laws otherwise
provide.

                                       13


<PAGE>



     Section 2. The Board of Directors at its first meeting after each annual
meeting of stockholders shall choose a president, a treasurer, and a secretary
and may choose vice presidents.

     Section 3. The Board of Directors may appoint such other officers and
agents as it shall deem necessary who shall hold their offices for such terms
and shall exercise such powers and perform such duties as shall be determined
from time to time by the Board.

     Section 4. The salaries of all officers and agents of the corporation shall
be fixed by the Board of Directors.

     Section 5. The officers of the corporation shall hold office until their
successors are chosen and qualify. Any officer elected or appointed by the Board
of Directors may be removed at any time by the affirmative vote of a majority of
the Board of Directors. Any vacancy occurring in any office of the corporation
shall be filled by the Board of Directors.

                            THE CHAIRMAN OF THE BOARD

     Section 6. The Chairman of the Board, if any, shall preside at all meetings
of the Board of Directors and of the stockholders at which the Chairman shall be
present. The Chairman shall have and may exercise such powers as are, from time
to time, assigned to the Chairman by the Board and as may be provided by law.

     Section 7. In the absence of the Chairman of the Board, the Vice Chairman
of the Board, if any, shall preside at all meetings of the Board of Directors
and of the stockholders at which the Vice Chairman shall be present. The Vice
Chairman shall have and may exercise such powers as are, from time to time,
assigned to the Vice Chairman by the Board and as may be provided by law.

                                       14


<PAGE>


                        THE PRESIDENT AND VICE-PRESIDENTS

     Section 8. The president shall be the chief operating officer
or chief executive officer of the corporation, and in the absence of the
Chairman and Vice Chairman of the Board the President shall preside at all
meetings of the stockholders and the Board of Directors; the President shall
have general and active management of the business of the corporation and shall
see that all orders and resolutions of the Board of Directors are carried into
effect.

     Section 9. The President shall execute bonds, mortgages and other contracts
requiring a seal, under the seal of the corporation, except where required or
permitted by law to be otherwise signed and executed and except where the
signing and execution thereof shall be expressly delegated by the Board of
Directors to some other officer or agent of the corporation.

     Section 10. In the absence of the president or in the event of the
president's inability or refusal to act, the vice-president, if any, (or in the
event there be more than one vice-president, the vice-presidents in the order
designated by the directors, or in the absence of any designation, then in the
order of their election) shall perform the duties of the president, and when so
acting, shall have all the powers of and be subject to all the restrictions upon
the president. The vice-presidents shall perform such other duties and have such
other powers as the Board of Directors may from time to time prescribe.

                      THE SECRETARY AND ASSISTANT SECRETARY

     Section 11. The secretary shall attend all meetings of the Board of
Directors and all meetings of the stockholders and record all the proceedings of
the meetings of the corporation and of the Board of Directors in a book to be
kept for that purpose and shall

                                       15


<PAGE>


perform like duties for the standing committees when required. The secretary
shall give, or cause to be given, notice of all meetings of the stockholders and
special meetings of the Board of Directors, and shall perform such other duties
as may be prescribed by the Board of Directors or president, under whose
supervision the secretary shall be. The secretary shall have custody of the
corporate seal of the corporation and the secretary, or an assistant secretary,
shall have authority to affix the same to any instrument requiring it and when
so affixed, it may be attested by the signature of the secretary or by the
signature of such assistant secretary. The Board of Directors may give general
authority to any other officer to affix the seal of the corporation and to
attest the affixing by said officer's signature.

     Section 12. The assistant secretary, or if there be more than one, the
assistant secretaries in the order determined by the Board of Directors (or if
there be no such determination, then in the order of their election) shall, in
the absence of the secretary or in the event of the secretary's inability or
refusal to act, perform the duties and exercise the powers of the secretary and
shall perform such other duties and have such other powers as the Board of
Directors may from time to time prescribe.

                     THE TREASURER AND ASSISTANT TREASURERS

     Section 13. The treasurer shall have the custody of the corporate funds and
securities and shall keep full and accurate accounts of receipts and
disbursements in books belonging to the corporation and shall deposit all moneys
and other valuable effects in the name and to the credit of the corporation in
such depositories as may be designated by the Board of Directors.

     Section 14. The treasurer shall disburse the funds of the corporation as
may be ordered by the Board of Directors, taking proper vouchers for such
disbursements, and

                                       16


<PAGE>



shall render to the president and the Board of Directors, at its regular
meetings, or when the Board of Directors so requires, an account of all the
treasurer's transactions as treasurer and of the financial condition of the
corporation.

     Section 15. If required by the Board of Directors, the treasurer shall give
the corporation a bond (which shall be renewed every six years) in such sum and
with such surety or sureties as shall be satisfactory to the Board of Directors
for the faithful performance of the duties of the office of the treasurer and
for the restoration to the corporation, in case of the treasurer's death,
resignation, retirement or removal from office, of all books, papers, vouchers,
money and other property of whatever kind in the treasurer's possession or under
the treasurer's control belonging to the corporation.

     Section 16. The assistant treasurer, or if there shall be more than one,
the assistant treasurers in the order determined by the Board of Directors (or
if there be no such determination, then in the order of their election) shall,
in the absence of the treasurer or in the event of the treasurer's inability or
refusal to act, perform the duties and exercise the powers of the treasurer and
shall perform such other duties and have such other powers as the Board of
Directors may from time to time prescribe.

                                   ARTICLE VI

                              CERTIFICATE OF STOCK

     Section 1. Every holder of stock in the corporation shall be entitled to
have a certificate, signed by, or in the name of the corporation by, the
chairman or vice-chairman of the Board of Directors, or the president or a
vice-president and the treasurer or an assistant

                                       17


<PAGE>



treasurer, or the secretary or an assistant secretary of the corporation,
certifying the number of shares owned by such holder in the corporation.

     Certificates may be issued for partly paid shares and in such case upon the
face or back of the certificate issued to represent any such partly paid shares,
the total amount of the consideration to be paid therefor, and the amount paid
thereon shall be specified.

     If the corporation shall be authorized to issue more than one class of
stock or more than one series of any class, the powers, designations,
preferences and relative, participating, optional or other special rights of
each class of stock or series thereof and the qualification, limitations or
restrictions or such preferences and/or rights shall be set forth in full or
summarized on the face or back of the certificate which the corporation shall
issue to represent such class or series of stock, provided that, except as
otherwise provided in section 202 of the General Corporation Law of Delaware, in
lieu of the foregoing requirements, there may be set forth on the face or back
of the certificate which the corporation shall issue to represent such class or
series of stock, a statement that the corporation will furnish without charge to
each stockholder who so requests the powers, designations, preferences and
relative, participating, optional or other special rights of each class of stock
or series thereof and the qualifications, limitations or restrictions of such
preferences and/or rights.

     Section 2. Any of or all the signatures on the certificate may be
facsimile. In case any officer, transfer agent or registrar who has signed or
whose facsimile signature has been placed upon a certificate shall have ceased
to be such officer, transfer agent or registrar before such certificate is
issued, it may be issued by the corporation with the same effect as if the
former officer, transfer agent or registrar were such officer, transfer agent or
registrar at the date of issue.

                                       18


<PAGE>


                                LOST CERTIFICATES

     Section 3. The Board of Directors may direct a new certificate or
certificates to be issued in place of any certificate or certificates
theretofore issued by the corporation alleged to have been lost, stolen or
destroyed, upon the making of an affidavit of that fact by the person claiming
the certificate of stock to be lost, stolen or destroyed. When authorizing such
issue of a new certificate or certificates, the Board of Directors may, in its
discretion and as a condition precedent to the issuance thereof, require the
owner of such lost, stolen or destroyed certificate or certificates, or the
legal representative of the owner of such lost, stolen or destroyed certificate
or certificates, to advertise the same in such manner as it shall require and/or
give the corporation a bond in such sum as it may direct as indemnity against
any claim that may be made against the corporation with respect to the
certificate alleged to have been lost, stolen or destroyed.


                                TRANSFER OF STOCK

     Section 4. Upon surrender to the corporation or the transfer agent of the
corporation of a certificate for shares duly endorsed or accompanied by proper
evidence of succession, assignation or authority to transfer, it shall be the
duty of the corporation to issue a new certificate to the person entitled
thereto, cancel the old certificate and record the transaction upon its books.

                               FIXING RECORD DATE

     Section 5. In order that the corporation may determine the stockholders
entitled to notice of or to vote at any meeting of stockholder or any
adjournment thereof, or to express consent to corporate action in writing
without a meeting, or entitled to receive payment of any dividend or other
distribution or allotment of any rights, or entitled to exercise

                                       19


<PAGE>


any rights in respect of any change, conversion or exchange of stock or for the
purpose of any other lawful action, the Board of Directors may fix, in advance,
a record date, which shall not be more than sixty (60) nor less than ten (10)
days before the date of such meeting, nor more than sixty days prior to any
other action. A determination of stockholders of record entitled to notice of or
to vote at a meeting of stockholders shall apply to any adjournment of the
meeting; provided, however, that the Board of Directors may fix a new record
date for the adjourned meeting.

                             REGISTERED STOCKHOLDERS

                  Section 6. The corporation shall be entitled to recognize the
exclusive right of a person registered on its books as the owner of shares to
receive dividends, and to vote as such owner, and to hold liable for calls and
assessments a person registered on its books as the owner of shares and shall
not be bound to recognize any equitable or other claim to or interest in such
share or shares on the part of any other person, whether or not it shall have
express or other notice thereof, except as otherwise provided by the laws of
Delaware.

                     TRANSFER OF RIGHTS BY ACQUIRING PERSON

     Section 7. Rights issued pursuant to the Rights Agreement, dated September
26, 1997, between the corporation and American Stock Transfer & Trust Company
(the "Rights Agreement") may be transferred by an Acquiring Person or an
Associate or Affiliate of an Acquiring Person (as such terms are defined in the
Rights Agreement) only in accordance with the terms of, and subject to the
restrictions contained in, the Rights Agreement.


                                       20


<PAGE>



                                   ARTICLE VII

                               GENERAL PROVISIONS

                                    DIVIDENDS

     Section 1. Dividends upon the capital stock of the corporation, subject to
the provisions of the certificate of incorporation, if any, may be declared by
the Board of Directors at any regular or special meeting, pursuant to law.
Dividends may be paid in cash, in property, or in shares of the capital stock,
subject to the provisions of the certificate of incorporation.

     Section 2. Before payment of any dividend, there may be set aside out of
any funds of the corporation available for dividends such sum or sums as the
directors from time to time, in their absolute discretion, think proper as a
reserve or reserves to meet contingencies, or for equalizing dividends, or for
repairing or maintaining any property of the corporation, or for such other
purposes as the directors shall think conducive to the interest of the
corporation, and the directors may modify or abolish any such reserve in the
manner in which it was created.

                                     CHECKS

     Section 3. All checks or demands for money and notes of the corporation
shall be signed by such officer or officers or such other person or persons as
the Board of Directors may from time to time designate.

                                   FISCAL YEAR

     Section 4. The fiscal year of the corporation shall be fixed by resolution
of the Board of Directors.

                                       21


<PAGE>


                                      SEAL

     Section 5. The Board of Directors may adopt a corporate seal having
inscribed thereon the name of the corporation, the year of its organization and
the words "Corporate Seal, Delaware." The seal may be used by causing it or a
facsimile thereof to be impressed or affixed or reproduced or otherwise.

                                 INDEMNIFICATION

     Section 6. The corporation shall, to the fullest extent permitted by
Section 145 of the General corporation Law of Delaware, as amended from time to
time, indemnify each person who was or is a party or is threatened to be made a
party to any threatened, pending or completed action, suit or proceeding,
whether civil, criminal, administrative or investigative, by reason of the fact
that he or she is or was, or has agreed to become, a director or officer of the
corporation, or is or was serving, or has agreed to serve, at the request of the
corporation, as a director, officer or trustee of, or in a similar capacity
with, another corporation, partnership, joint venture, trust or other enterprise
(including any employee benefit plan), or by reason of any action alleged to
have been taken or omitted in such capacity, against all expenses (including
attorneys' fees), judgments, fines and amounts paid in settlement actually and
reasonably incurred by such person or on such person's behalf in connection with
such action, suit or proceeding and any appeal therefrom.

     Indemnification may include payment by the corporation of expenses in
defending an action or proceeding in advance of the final disposition of such
action or proceeding upon receipt of an undertaking by the person indemnified to
repay such payment if it is ultimately determined that such person is not
entitled to indemnification under this

                                       22


<PAGE>



Section, which undertaking may be accepted without reference to the financial
ability of such person to make such repayment.
                  The corporation shall not indemnify any such person seeking
indemnification in connection with a proceeding (or part thereof) initiated by
such person unless the initiation thereof was approved by the Board of Directors
of the corporation.
                  The indemnification rights provided in this Section (i) shall
not be deemed exclusive of any other rights to which those indemnified may be
entitled under any law, agreement or vote of stockholders or disinterested
directors or otherwise, and (ii) shall inure to the benefit of the heirs,
executors and administrators of such persons. The corporation may, to the extent
authorized from time to time by its Board of Directors, grant indemnification
rights to other employees or agents of the corporation or other persons serving
the corporation and such rights may be equivalent to, or greater or less than,
those set forth in this Section.

                      TRANSACTIONS WITH INTERESTED PARTIES

     Section 7. No contract or transaction between the corporation and one or
more of the directors of officers, or between the corporation and any other
corporation, partnership, association, or other organization in which one or
more of the directors or officers are directors or officers, or have a financial
interest, shall be void or voidable solely for this reason, or solely because
such director or officer is present at or participates in the meeting of the
Board of Directors or a committee of the Board of Directors which authorizes the
contract or transaction or solely because his, her or their votes are counted
for such purpose, if:

          (1) The material facts as to his or her relationship or interest and
     as to the contract or transaction are disclosed or are known to the
     Board of


                                       23


<PAGE>



     Directors or the committee, and the Board or committee in good faith
     authorizes the contract or transaction by the affirmative vote of a
     majority of the disinterested directors, even though the disinterested
     directors be less than a quorum;

          (2) The material facts as to his or her relationship or interest and
     as to the contract or transaction are disclosed or are known to the
     stockholders entitled to vote thereon, and the contract or transaction is
     specifically approved in good faith by vote of the stockholders; or

          (3) The contract or transaction is fair as to the corporation as of
     the time it is authorized, approved or ratified, by the Board of Directors,
     a committee of the Board of Directors, or the stockholders.

     Common or interested directors may be counted in determining the presence
of a quorum at a meeting of the Board of Directors or of a committee which
authorizes the contract or transaction.

                                  ARTICLE VIII

                                   AMENDMENTS

     These by-laws may be altered, amended or repealed or new by-laws may be
adopted by the stockholders or by the Board of Directors, when such power is
conferred upon the Board of Directors by the certificate of incorporation at any
regular meeting of the stockholders or of the Board of Directors or at any
special meeting of the stockholders or of the Board of Directors if notice of
such alteration, amendment, repeal or adoption of new by-laws be contained in
the notice of such special meeting. If the power to adopt, amend or

                                       24


<PAGE>


repeal by-laws is conferred upon the Board of Directors by the certificate or
incorporation, it shall not divest or limit the power of the stockholders to
adopt, amend or repeal by-laws.



                                       25



                                                                     Exhibit 4.1

                                                                  CONFORMED COPY

================================================================================





                            NEOSE TECHNOLOGIES, INC.

                                       and

                    AMERICAN STOCK TRANSFER & TRUST COMPANY,

                                 as Rights Agent




                                RIGHTS AGREEMENT

                         Dated as of September 26, 1997





================================================================================





<PAGE>


<TABLE>
<CAPTION>

                                Table of Contents

                                                                                                               Page
                                                                                                               ----
<S>           <C>                                                                                                 <C>
Section 1.   Certain Definitions................................................................................. 2

Section 2.   Appointment of Rights Agent......................................................................... 5

Section 3.   Issue of Rights Certificates........................................................................ 5

Section 4.   Form of Rights Certificates......................................................................... 7

Section 5.   Countersignature and Registration................................................................... 8

Section 6.   Transfer, Split Up, Combination and Exchange of Rights Certificates;
                 Mutilated, Destroyed, Lost or Stolen Rights Certificates........................................ 9

Section 7.   Exercise of Rights; Purchase Price; Expiration Date of Rights.......................................10

Section 8.   Cancellation and Destruction of Rights Certificates.................................................12

Section 9.   Reservation and Availability of Capital Stock; Registration of Securities...........................12

Section 10.  Capital Stock Record Date...........................................................................14

Section 11.  Adjustment of Purchase Price, Number and Kind of Shares or Number
                 of Rights.......................................................................................14

Section 12.  Certificate of Adjusted Purchase Price or Number of Shares..........................................24

Section 13.  Consolidation, Merger or Sale or Transfer of Assets or Earning Power................................24

Section 14.  Fractional Rights and Fractional Shares.............................................................27

Section 15.  Rights of Action....................................................................................28

Section 16.  Agreement of Rights Holders.........................................................................29

Section 17.  Rights Certificate Holder Not Deemed a Stockholder..................................................29

Section 18.  Concerning the Rights Agent.........................................................................30

Section 19.  Merger or Consolidation or Change of Name of Rights Agent...........................................30


                                        i

<PAGE>




Section 20.  Duties of Rights Agent..............................................................................31

Section 21.  Change of Rights Agent..............................................................................33

Section 22.  Issuance of New Rights Certificates.................................................................34

Section 23.  Redemption and Termination..........................................................................34

Section 24.  Notice of Certain Events............................................................................36

Section 25.  Notices.............................................................................................37

Section 26.  Supplements and Amendments..........................................................................37

Section 27.  Successors..........................................................................................38

Section 28.  Determinations and Actions by the Board of Directors, etc...........................................38

Section 29.  Benefits of this Agreement..........................................................................39

Section 30.  Severability........................................................................................39

Section 31.  Governing Law.......................................................................................39

Section 32.  Counterparts........................................................................................40

Section 33.  Descriptive Headings................................................................................40

</TABLE>


Exhibit A -- Resolution of the Board of Directors with respect to
                    Series A Junior Participating Preferred Shares

Exhibit B -- Form of Rights Certificate

Exhibit C -- Form of Summary of Rights


                                       ii

<PAGE>




                                RIGHTS AGREEMENT

         RIGHTS AGREEMENT, dated as of September 26, 1997 (the "Agreement"),
between NEOSE TECHNOLOGIES, a Delaware corporation (the "Company"), and AMERICAN
STOCK TRANSFER & TRUST COMPANY, a New York banking corporation (the "Rights
Agent").

                               W I T N E S S E T H

         WHEREAS, on September 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 Common Share (as hereinafter defined) of the
Company outstanding at the close of business on October 6, 1997 (the "Record
Date") (which for these purposes shall include all Common Shares presently
entitled to receive dividends) and has authorized the issuance of one Right (as
such number may hereafter be adjusted pursuant to the provisions of Section
11(p) hereof) for each Common Share 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 Preferred Share (as
hereinafter defined) of the Company having the rights, powers and preferences
set forth in the form of the Resolution of the Board of Directors attached
hereto as Exhibit A, upon the terms and subject to the conditions hereinafter
set forth (the "Rights"); and

         WHEREAS, the Rights will be held by the Rights Agent under this
Agreement as trustee for the stockholders of the Company until the Distribution
Date; and

         WHEREAS, the Board of Directors of the Company has considered whether
approval of this Agreement and the distribution of the Rights is in the best
interests of the Company and all other pertinent factors; and

         WHEREAS, the Board of Directors of the Company has concluded that
approval of this Agreement and the distribution of the Rights is in the best
interests of the Company because the existence of the Rights will help (i)
reduce the risk of coercive two-tiered, front-end loaded or partial offers that
may not offer fair value to all stockholders, (ii) mitigate against market
accumulators who through open market and/or private purchases may achieve a
position of substantial influence or control without paying to selling or
remaining stockholders a fair control premium, (iii) deter market accumulators
who are simply interested in putting the Company into "play," (iv) restrict
self-dealing by a substantial stockholder, and (v) preserve the Board of
Directors' bargaining power and flexibility to deal with third-party acquirors
and to otherwise seek to maximize values for all stockholders.


                                        1


<PAGE>


         NOW, THEREFORE, in consideration of the premises and the mutual
agreements herein set forth, and intending to be legally bound hereby, 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 or which,
together with all Affiliates and Associates of such Person, shall be the
Beneficial Owner of 15% or more of the Common Shares then outstanding, but shall
not include 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.

              (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 Securities Exchange Act of 1934, as amended and in effect on the date hereof
(the "Exchange Act").

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

              (i) that 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 until such tendered securities are accepted for payment,
         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) that 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

                                        2

<PAGE>


         General Rules and Regulations under the Exchange Act), including
         without limitation 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 oral or written 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) that 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 proviso 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 business as an underwriter of securities to be 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 New York 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.,
New York, New York time, on such date; provided, however, that if such date is
not a Business Day it shall mean 5:00 P.M., New York, New York time, on the next
succeeding Business Day.

              (f) "Common Share" shall mean the shares of Common Stock, par
value $.01 per share, of the Company and, to the extent that there are not a
sufficient number of Common Shares authorized to permit the full exercise of the
Rights, shares of any other class or series of the Company designated for such
purpose containing terms substantially similar to the terms of the Common
Shares, except that "Common Share" when used with reference to any Person other
than the Company shall mean the shares of capital


                                        3


<PAGE>


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) "Continuing Director" shall mean (i) any member of the Board
of Directors of the Company, while such Person is a member of the Board, who is
not an Acquiring Person, or an Affiliate or Associate of an Acquiring Person, or
a representative of an Acquiring Person or of any such Affiliate or Associate,
and was a member of the Board prior to the date of this Agreement, or (ii) any
Person who subsequently becomes a member of the Board, while such Person is a
member of the Board, who is not an Acquiring Person, or an Affiliate or
Associate of an Acquiring Person, or a representative of an Acquiring Person or
of any such Affiliate or Associate, if such Person's nomination for election or
election to the Board is recommended or approved by a majority of the Continuing
Directors.

              (h) "Distribution Date" shall have the meaning set forth in
Section 3 hereof.

              (i) "Expiration Date" shall have the meaning set forth in Section
7(a) hereof.

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

              (k) "Preferred Share" shall mean a share of Series A Junior
Participating Preferred Stock, par value $.01 per share, of the Company and, to
the extent that there are not a sufficient number of shares of Series A Junior
Participating Preferred Stock authorized to permit the full exercise of the
Rights, shares of any other series of Preferred Stock of the Company designated
for such purpose containing terms substantially similar to the terms of the
Series A Junior Participating Preferred Stock.

              (l) "Preferred Share Fraction" shall mean one one-hundredth
(1/100) of a Preferred Share.

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

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

              (o) "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.


                                        4


<PAGE>


              (p) "Subsidiary" shall have the meaning ascribed to such term in
Rule 12b-2 of the General Rules and Regulations under the Exchange Act.

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

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

              Unless otherwise specified, where reference is made in this
Agreement to sections of, and the General Rules and Regulations under, the
Exchange Act, such reference shall mean such sections and rules as amended from
time to time and any successor provisions thereto.

         Section 2.  Appointment of Rights Agent.

              (a) The Company hereby appoints the Rights Agent to act as agent
for the Company and trustee for the beneficial owners of the Rights (who, in
accordance with Section 3 hereof, shall prior to the Distribution Date also be
the holders of the Common Shares) 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 Co-Rights Agents as it may deem necessary or
desirable.

              (b) On the Record Date, the Company will deliver a Rights
Certificate to the Rights Agent, registered in the name of the Rights Agent as
trustee for the beneficial owners of the Rights represented thereby, for that
number of Rights equal to the number of Common Shares issued and outstanding on
the Record Date, and the Rights Agent shall hold the Rights represented thereby
in trust for the beneficial owners in accordance with the provisions of this
Agreement.

         Section 3.  Issue of Rights Certificates.

              (a) Until the earlier of (i) the close of business on the tenth
day after a Stock Acquisition Date involving an Acquiring Person that has become
such in a transaction as to which the Board of Directors has not made the
determination referred to in Section 11(a)(ii)(B) hereof, or (ii) the close of
business on such date as may be fixed by the Board of Directors of the Company
by notice to the Rights Agent and publicly announced by the Company, which date
shall not be later than 65 days 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

                                        5


<PAGE>


consummation thereof, such Person would be the Beneficial Owner of 15% or more
of the Common Shares then outstanding (the earlier of (i) and (ii) being herein
referred to as the "Distribution Date"), (x) beneficial interests in the Rights
will be evidenced (subject to the provisions of paragraph (b) of this Section 3)
by the certificates for the Common Shares registered in the names of the holders
of the Common Shares (which certificates for Common Shares shall be deemed also
to be certificates for beneficial interests in the Rights) and not by separate
certificates, and (y) the Rights and beneficial interests therein will be
transferable only in connection with the transfer of the underlying Common
Shares (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 Shares 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, in substantially the
form of Exhibit B hereto (the "Rights Certificates"), evidencing one Right for
each Common Share so held, subject to adjustment as provided herein. In the
event that an adjustment in the number of Rights per Common Share has been made
pursuant to Section 11(p) hereof, at the time of distribution of the Rights
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. Upon the
distribution of the Rights Certificates as provided in this subsection (a), the
trust created hereby shall cease.

              (b) As promptly as practicable following the Record Date, the
Company will send a copy of a Summary of Rights, in substantially the form of
Exhibit C hereto (the "Summary of Rights"), by first-class, postage prepaid
mail, to each record holder of the Common Shares as of the close of business on
the Record Date, at the address of such holder shown on the records of the
Company. With respect to certificates for the Common Shares outstanding as of
the Record Date, until the Distribution Date, beneficial interests in the Rights
will be evidenced by such certificates for the Common Shares and the registered
holders of the Common Shares shall also be the registered holders of the
beneficial interests in the associated Rights. Until the earlier of the
Distribution Date or the Expiration Date (as such term is defined in Section 7
hereof), the transfer of any certificates representing Common Shares in respect
of which Rights have been issued shall also constitute the transfer of the
Rights associated with such Common Shares. Certificates issued after the Record
Date upon the transfer of Common Shares outstanding on the Record Date shall
bear the legend set forth in subsection (c).

              (c) Except as provided in Section 22 hereof, Rights shall be
issued in respect of all Common Shares that are issued (whether originally
issued or delivered from the Company's treasury) after the Record Date but prior
to the earlier of the Distribution Date or the Expiration Date. Certificates
representing such Common Shares shall also be


                                        6


<PAGE>


deemed to be certificates for beneficial interests in the associated Rights, and
shall bear the following legend:

              "This certificate also evidences a beneficial interest in and
         entitles the holder hereof to certain Rights as set forth in the Rights
         Agreement between Neose Technologies, Inc. (the "Company") and American
         Stock Transfer & Trust Company (the "Rights Agent") dated as of
         September 26, 1997 (the "Rights Agreement"), and as the same may be
         amended from time to time, the terms of which are hereby incorporated
         herein by reference and a copy of which is on file at the principal
         offices of the Company. Under certain circumstances, as set forth in
         the Rights Agreement, such Rights will be evidenced by separate
         certificates and beneficial interests therein will no longer be
         evidenced by this certificate. The Company 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."

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

         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) shall each be
substantially in the form set forth in Exhibit B hereto and 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
entitle the holders thereof to purchase such number of Preferred Share Fractions
as shall be set forth therein at the price set forth therein (such exercise
price per Preferred Share Fraction, the


                                        7


<PAGE>


"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 Certificate issued pursuant to Section 3(a) or
Section 22 hereof that represents Rights that the Company knows are 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 Person with whom such
Acquiring Person has any continuing oral or written plan, agreement, arrangement
or understanding regarding the transferred Rights or (B) a transfer that the
Board of Directors of the Company has determined is part of an oral or written
plan, agreement, arrangement or understanding that 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 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."

         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 manually countersigned by the Rights
Agent 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 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


                                        8


<PAGE>


Rights Certificate, although at the date of the execution of this 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, the Certificate number 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 Preferred Share Fractions (or,
following a Triggering Event, Common Shares or 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

                                        9


<PAGE>



cancellation of the Rights Certificate if mutilated, the Company will execute
and deliver a new Rights Certificate of like tenor to the 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 subsection (e), the registered holder of any Rights
Certificate may exercise the Rights evidenced thereby (except as otherwise
provided herein including, without limitation, the restrictions on
exercisability set forth in Section 9(c), Section 11(a)(iii) and Section 23(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 (except as
provided in Section 11(q) hereof) with respect to the total number of Preferred
Share Fractions (or Common Shares, other securities, cash or other assets, as
the case may be) as to which such surrendered Rights are then exercisable
(except as provided in Section 11(q) hereof), at or prior to the earliest of (i)
the close of business on October 6, 2007 (the "Final Expiration Date"), (ii) the
consummation of a transaction contemplated by Section 13(d) hereof, or (iii) the
time at which the Rights are redeemed or terminated as provided in Section 23
hereof (the earlier of (i), (ii) and (iii) being herein referred to as the
"Expiration Date").

              (b) The Purchase Price for each Preferred Share Fraction pursuant
to the exercise of a Right shall initially be $150.00, 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 subsection (c).

              (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 Preferred Share Fraction (or Common Shares, 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) and Section 14(b) hereof, thereupon promptly (i) (A) requisition
from any transfer agent of the Preferred Shares (or make available, if the
Rights Agent is the transfer agent for such Shares) certificates for the total
number of Preferred Shares 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 some or all of the total number of
Preferred Shares issuable upon exercise of the Rights hereunder with a
depositary agent, requisition from the depositary agent depositary receipts
representing such number of Preferred Share Fractions as are to be purchased (in
which case certificates for the Preferred Shares represented by such receipts
shall be deposited by the transfer agent with the depositary agent) and the
Company will direct the

                                       10


<PAGE>


depositary 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
depositary 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, at the election of the
holder of the Rights Certificate, (x) in cash or by certified bank check or
money order payable to the order of the Company or (y) by delivery of Rights if
and to the extent authorized by Section 11(q) hereof. In the event that the
Company is obligated to issue other securities of the Company (including Common
Shares) 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.

              (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 Certificate, 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 oral or written plan, 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 an oral or
written plan, agreement, 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; provided, however, that the Rights held by an Acquiring
Person, an Affiliate or Associate of an Acquiring Person or the transferees of
such persons referred to above shall not be voided unless the Acquiring Person
in question or an Affiliate or Associate of such Acquiring Person shall be
involved in the transaction giving rise to the Section 11(a)(ii) Event. 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

                                       11


<PAGE>


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) or 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 cancelled form,
or, if surrendered to the Rights Agent, shall be cancelled by it, 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
cancelled Rights Certificates to the Company, or shall, at the written request
of the Company, destroy such cancelled Rights Certificates, and in such case
shall deliver a certificate of destruction thereof to the Company.

         Section 9.  Reservation and Availability of Capital Stock; Registration
of Securities.

              (a) The Company covenants and agrees that it will cause to be
reserved and kept available for issuance upon the exercise of outstanding Rights
as many of its authorized and unissued Preferred Shares (and, following the
occurrence of a Triggering Event, out of its authorized and unissued Common
Shares and/or other securities or out of its authorized and issued shares held
in its treasury), which together shall at all times after the Distribution Date
be sufficient to permit the exercise in full of all outstanding Rights.

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

                                       12


<PAGE>


              (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 or statements under the Securities Act of
1933, as amended (the "Act"), with respect to the securities purchasable upon
exercise of the Rights on an appropriate form or forms, (ii) cause such
registration statement or statements to become effective as soon as practicable
after such filing, and (iii) cause such registration statement or statements to
remain effective (with a prospectus at all times meeting the requirements of the
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 subsection (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 unless the requisite qualification in such jurisdiction shall have
been obtained.

              (d) The Company covenants and agrees that it will take all such
action as may be necessary to ensure that all Preferred Shares (and, following a
Triggering Event, Common Shares or other securities) delivered upon exercise of
Rights shall, at the time of delivery of the certificates for such shares or
other securities (subject to payment of the Purchase Price), be duly and validly
authorized and issued and, with respect to Preferred Shares, Common Shares or
other shares of capital stock, 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 that
may be payable in respect of the issuance or delivery of the Rights Certificates
and of any certificates for a number of Preferred Share Fractions (or Common
Shares 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 that 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 Preferred Share
Fractions (or Common Shares 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 Preferred Share Fractions (or Common Shares 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 Certificate at the
time

                                       13


<PAGE>


of surrender) or until it has been established to the Company's satisfaction 
that no such tax is due.

         Section 10. Capital Stock Record Date. Each person in whose name any
certificate for a number of Preferred Share Fractions (or Common Shares 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 Preferred
Share Fractions (or Common Shares 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
applicable 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 applicable 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 and other
securities covered by each Right and 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 any security of the Company
         payable in Preferred Shares, (B) subdivide the outstanding Preferred
         Shares, (C) combine the outstanding Preferred Shares into a smaller
         number of shares, or (D) issue any shares of its capital stock in a
         reclassification of the Preferred Shares (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 Preferred Shares 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
         adjusted Purchase Price, the aggregate number and kind of Preferred
         Shares or capital stock, as the case may be, that, if such Right had
         been exercised immediately prior to such date and at a time when the
         Preferred Share transfer books were open, such holder would have owned
         upon such exercise and been entitled to receive by virtue of such
         dividend, subdivision, combination or


                                       14


<PAGE>


         reclassification. If an event occurs which would require an adjustment
         under both this Section 11(a)(i) and Section 11(a)(ii) 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) any Acquiring Person or any Associate or Affiliate of
              any Acquiring Person, at any time after the Stock Acquisition
              Date, directly or indirectly, (1) 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 Shares of the Company or other equity securities of
              the Company shall remain outstanding, (2) shall, in one
              transaction or a series of transactions, transfer any assets to
              the Company or to any of its Subsidiaries in exchange (in whole or
              in part) for Common Shares, for shares of other equity securities
              of the Company, or for securities exercisable for or convertible
              into shares of equity securities of the Company (Common Shares or
              otherwise) or otherwise obtain from the Company, with or without
              consideration, any additional shares of such equity securities or
              securities exercisable for or convertible into shares of such
              equity securities (other than pursuant to a pro rata distribution
              to all holders of Common Shares), (3) shall sell, purchase, lease,
              exchange, mortgage, pledge, transfer or otherwise acquire or
              dispose of assets in one transaction or a series of transactions,
              to, from or with (as the case may be) the Company or any of its
              Subsidiaries, on terms and conditions less favorable to the
              Company than the Company would be able to obtain in arm's-length
              negotiation with an unaffiliated third party, other than pursuant
              to a Section 13 Event, (4) shall sell, purchase, lease, exchange,
              mortgage, pledge, transfer or otherwise acquire or dispose of
              assets having an aggregate fair market value of more than
              $5,000,000 in one transaction or a series of transactions, to,
              from or with (as the case may be) the Company or any of the
              Company's Subsidiaries (other than incidental to the lines of
              business, if any, engaged in as of the date hereof between the
              Company and such Acquiring Person or Associate or Affiliate),
              other than pursuant to a Section 13 Event, (5) shall receive any
              compensation from the Company or any of the Company's Subsidiaries
              other than compensation for full-time employment as a regular
              employee at rates in accordance with the Company's (or its
              Subsidiaries') past practices, or (6) shall receive the benefit,
              directly or indirectly (except proportionately as a stockholder
              and except if resulting from a requirement of law or governmental
              regulation), of any loans, advances, guarantees, pledges or other
              financial assistance or any tax credits or other tax advantage
              provided by the Company or any of its Subsidiaries, or


                                       15


<PAGE>


                     (B) 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 the Beneficial Owner of 15% or more of
              the Common Shares then outstanding, unless the event causing the
              15% threshold to be crossed is a Section 13 Event, or is an
              acquisition of Common Shares pursuant to a tender offer or an
              exchange offer for all outstanding Common Shares at a price and on
              terms that provide fair value to all stockholders, as determined
              by at least a majority of the Continuing Directors, after taking
              into consideration all factors that such members of the Board of
              Directors deem relevant, including, without limitation, the
              long-term prospects and value of the Company and the prices and
              terms that such members of the Board of Directors believe, in good
              faith, could reasonably be achieved if the Company or its assets
              were sold on an orderly basis designed to realize maximum value,
              or

                     (C) 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 Section 13 Event or
              series of such Events (whether or not with or into or otherwise
              involving an Acquiring Person) that has the effect, directly or
              indirectly, of increasing by more than 1% the proportionate share
              of the outstanding shares of any class of equity securities of the
              Company or any of its Subsidiaries that is directly or indirectly
              beneficially owned by any Acquiring Person or any Associate or
              Affiliate of any Acquiring Person,

         then, promptly following the first occurrence of a Section 11(a)(ii)
         Event, proper provision shall be made 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 Preferred Share Fractions, such number of Common Shares
         of the Company as shall equal the result obtained by (x) multiplying
         the then current Purchase Price by the then number of Preferred Share
         Fractions 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 Common Share on the date of such
         first occurrence (such number of shares, the "Adjustment Shares").


                                       16


<PAGE>


                  (iii) In the event that the number of Common Shares that are
         authorized by the Company's Second Amended and Restated Certificate of
         Incorporation, as amended, 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 the value of the Adjustment Shares issuable
         upon the exercise of a Right (the "Current Value") over the Purchase
         Price (such excess, the "Spread"), and (B) with respect to each Right,
         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 Shares of the same or a different class
         or other equity securities of the Company (including, without
         limitation, preferred shares or units of preferred shares that a
         majority of the Continuing Directors in office at the time has deemed
         (based, among other things, on the dividend and liquidation rights of
         such preferred shares) to have substantially the same economic value as
         Common Shares (such preferred shares, hereinafter referred to as
         "common share 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 a majority of the Continuing Directors in office
         at the time after considering 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 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 23(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, Common Shares (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 Common Shares
         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 (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
         shall provide, subject to Section 7(e) hereof, that such action shall
         apply uniformly to all outstanding Rights, and 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. The Company
         shall make a public announcement when the exercisability of the Rights
         has been temporarily


                                       17


<PAGE>


         suspended, and again when such suspension is no longer in effect. For
         purposes of this Section 11(a)(iii), the value of the Common Shares
         shall be the current market price (as determined pursuant to Section
         11(d) hereof) per Common Share on the Section 11(a)(ii) Trigger Date
         and the value of any "common share equivalent" shall be deemed to have
         the same value as the Common Shares on such date.

              (b) In case the Company shall fix a record date for the issuance
of rights, options or warrants to holders of any security of the Company
entitling them to subscribe for or purchase (for a period expiring within
forty-five (45) calendar days after such record date) Preferred Shares (or
shares having the same rights, privileges and preferences as the Preferred
Shares ("equivalent preferred shares")) or securities convertible into Preferred
Shares or equivalent preferred shares at a price per Preferred Share or per
equivalent preferred share (or having a conversion price per share, if a
security convertible into Preferred Shares or equivalent preferred shares) less
than the current market price (as determined pursuant to Section 11(d) hereof)
per Preferred Share 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 Preferred Shares outstanding on such record date,
plus the number of Preferred Shares that the aggregate offering price of the
total number of Preferred Shares and/or equivalent preferred shares 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 Preferred Shares outstanding on
such record date, plus the number of additional Preferred Shares and/or
equivalent preferred shares 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 Company, the Rights Agent and the holders of
the Rights. Preferred Shares 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 that 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 Shares (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 dividend out of
the earnings or retained earnings of the Company as specified in Section 1(a) of
the Certificate of Designation establishing and designating the Preferred Shares
(a "Regular Dividend")), assets (other than a Regular Dividend or dividend
payable in Preferred Shares, but including any dividend payable in stock other
than Preferred Shares) or subscription rights or warrants (excluding those


                                       18


<PAGE>


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 Preferred Share on such record date, less the then 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 Preferred
Share and the denominator of which shall be such current market price (as
determined pursuant to Section 11(d) hereof) per Preferred Share. 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 Common Share on any date shall be deemed to be the
         average of the daily closing prices per Common Share 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
         Common Share on any date shall be deemed to be the average of the daily
         closing prices per Common Share for the ten (10) consecutive Trading
         Days immediately following such date; provided, however, that in the
         event that the current market price per Common Share is determined
         during a period following the announcement by the issuer of such Common
         Share of (A) a dividend or distribution on such Common Share payable in
         Common Shares or securities convertible into Common Shares (other than
         the Rights), or (B) any subdivision, combination or reclassification of
         such Common Shares, 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 Trading 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 Common Shares 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
         Common Shares are listed or admitted to trading or, if the Common
         Shares 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


                                       19


<PAGE>


         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 Common Shares 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
         Shares selected by the Board of Directors of the Company. If on any
         such date no market maker is making a market in the Common Shares, the
         fair value of such shares on such date as determined in good faith by
         the 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 Common Shares are listed or admitted to trading
         is open for the transaction of business or, if the Common Shares are
         not listed or admitted to trading on any national securities exchange,
         a Business Day. If the Common Shares are 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 Preferred Share shall be determined in the same
         manner as set forth above for the Common Shares in clause (i) of this
         Section 11(d) (other than the last sentence thereof). If the current
         market price per Preferred Share cannot be determined in the manner
         provided above or if the Preferred Shares are not publicly held or
         listed or traded in a manner described in clause (i) of this Section
         11(d), the "current market price" per Preferred Share 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 Shares occurring after
         the date of this Agreement) multiplied by the current market price per
         Common Share. If neither the Common Shares nor the Preferred Shares are
         publicly held or so listed or traded, "current market price" per
         Preferred 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. For all purposes of
         this Agreement, the "current market price" of a Preferred Share
         Fraction shall be equal to the "current market price" of one Preferred
         Share 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 Common Share or
one-millionth of a Preferred Share, as the case may be. Notwithstanding the
first sentence of this subsection (e), any adjustment required by this Section
11 shall be

                                       20


<PAGE>


made no later than the earlier of (i) three (3) years from the date of the
transaction that mandates such adjustment, or (ii) 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 Shares, 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 Shares contained in
Sections 11(a), (b), (c), (e), (g), (h), (i), (j), (k), (m) and (q), and the
provisions of Sections 7, 9, 10, 13 and 14 hereof with respect to the Preferred
Shares 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 adjusted Purchase Price, the number of Preferred Share
Fractions 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 subsections (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
Preferred Share Fractions (calculated to the nearest one-millionth of a
Preferred Share) obtained by (i) multiplying (x) the number of Preferred Share
Fractions 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 Preferred Share Fractions 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 Preferred Share Fractions 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 ten-thousandth of a Preferred
Share) 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. The record date for the adjustment may be the date on
which the Purchase Price is adjusted or any day thereafter, but, if the Rights


                                       21


<PAGE>


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 Preferred Share Fractions issuable upon the exercise of the
Rights, the Rights Certificates theretofore and thereafter issued may continue
to express the Purchase Price per Preferred Share Fraction and the number of
Preferred Share Fractions that were expressed in the initial Rights Certificates
issued hereunder.

              (k) Before taking any action that would cause an adjustment
reducing the Purchase Price below the then stated or par value, if any, of the
number of Preferred Share Fractions issuable upon exercise of the Rights, the
Company shall take any corporate action that may, in the opinion of its counsel,
be necessary in order that the Company may validly and legally issue such number
of fully paid and nonassessable Preferred Share Fractions 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 Preferred Share Fractions and other capital stock or securities of
the Company, if any, issuable upon such exercise over and above the number of
Preferred Share Fractions 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


                                       22


<PAGE>



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
Shares, (ii) issuance wholly for cash of any Preferred Shares at less than the
current market price, (iii) issuance wholly for cash or Preferred Shares or
securities which by their terms are convertible into or exchangeable for
Preferred Shares, (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 Shares 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 that 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.

              (o) The Company covenants and agrees that, after the Distribution
Date, it will not, except as permitted by Section 23 or Section 26 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 Common Shares payable in Common Shares, (ii) subdivide the
outstanding Common Shares, or (iii) combine the outstanding Common Shares into a
smaller number of shares, the number of Rights associated with each Common Share
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 Common Share following any such event
shall equal the result obtained by multiplying the number of Rights associated
with each Common Share immediately prior to such event by a fraction the
numerator of which shall be the total number of Common Shares outstanding
immediately prior to the occurrence of the event and


                                       23


<PAGE>


the denominator of which shall be the total number of Common Shares outstanding
immediately following the occurrence of such event.

              (q) In the event that the Rights become exercisable following a
Section 11(a)(ii) Event, the Company, by action of a majority of the Continuing
Directors in office at the time, may permit the Rights, subject to Section 7(e)
hereof, to be exercised for 50% of the Common Shares (or cash or other
securities or assets to be substituted for the Adjustment Shares pursuant to
subsection (a)(iii)) that would otherwise be purchasable under subsection (a),
in consideration of the surrender to the Company of the Rights so exercised and
without other payment of the Purchase Price. Rights exercised under this
subsection (q) shall be deemed to have been exercised in full and shall be
cancelled.

         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 Shares and the Common Shares, a copy of such certificate, and (c) 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 Common
Shares) in accordance with Section 25 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 (other than a Subsidiary of the Company in a
transaction which complies with Section 11(o) hereof), and the Company shall not
be the continuing or surviving corporation of such consolidation or merger, (y)
any person (other than a Subsidiary of the Company in a transaction which
complies with Section 11(o) hereof) 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 Common Shares 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 (other than the Company
or any Subsidiary of the Company in one or more transactions each of which
complies with Section 11(o) hereof), then, and in each such case and except as
contemplated by subsection (d), proper provision shall be made so that:


                                       24


<PAGE>


                  (i) each holder of a Right, except as provided in Section 7(e)
         hereof or subsection (e), shall thereafter have the right to receive,
         upon the exercise thereof at the then current Purchase Price in
         accordance with the terms of this Agreement, such number of validly
         authorized and issued, fully paid, nonassessable and freely tradeable
         Common Shares 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 (1) multiplying the then current Purchase Price by the
         number of Preferred Share Fractions 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 shares 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 Common Share 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 its
         Common Shares) in connection with the consummation of any such
         transaction as may be necessary to assure that the provisions hereof
         shall thereafter be applicable, as nearly as reasonably may be, in
         relation to its Common Shares 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 subsection (a), the Person that is the
         issuer of any securities into which Common Shares of the Company are
         converted in such merger or


                                       25


<PAGE>


         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 subsection (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 Shares of such
Person are not at such time and have 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
Shares of which are and have 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 Shares 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 Shares having the greatest aggregate
market value.

              (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 Shares that 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 Section 13 event, 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
         that 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 that have not theretofore been exercised shall thereafter become
exercisable solely in the manner described in Section 13(a).


                                       26


<PAGE>


              (d) Notwithstanding anything in this Agreement to the contrary,
Section 13 (other than this subsection (d)) shall not be applicable to, and the
term "Section 13 Event" shall not include, a transaction described in
subparagraphs (x) and (y) of Section 13(a) if (i) such transaction is
consummated with a Person, or Persons who acquired Common Shares pursuant to a
tender offer or exchange offer for all outstanding Common Shares that complies
with the provisions of Section 11(a)(ii)(B) hereof (or a wholly owned Subsidiary
of any such Person or Persons), (ii) the price per Common Share offered in such
transaction is not less than the price per Common Share paid to all holders of
Common Shares whose shares were purchased pursuant to such tender offer or
exchange offer and (iii) the form of consideration being offered to the
remaining holders of Common Shares pursuant to such transaction is the same as
the form of consideration paid pursuant to such tender or exchange offer. Upon
consummation of any such transaction contemplated by this subsection (d), all
Rights hereunder shall expire.

              (e) In the event that the Rights become exercisable under
subsection (a) (except as provided in subsection (d)), the Company, by action of
a majority of the Continuing Directors in office at the time, may agree with the
Principal Party that the Principal Party shall permit the Rights to be exercised
for 50% of the Common Shares of the Principal Party that would otherwise be
purchasable under subsection (a), in consideration of the surrender to the
Principal Party, as the successor to the Company under subsection (a) (ii), of
the Rights so exercised and without other payment of the Purchase Price. Rights
exercised under this subsection (e) shall be deemed to have been exercised in
full and shall be cancelled.

         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 that 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 subsection (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

                                       27


<PAGE>


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
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
Preferred Shares upon exercise of the Rights or to distribute certificates which
evidence fractional Preferred Shares, except in each case for fractions which
are integral multiples of Preferred Shares. In lieu of fractional Preferred
Shares that are not integral multiples of Preferred Shares, 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 a Preferred Share. For purposes of this subsection (b),
the current market value of one Preferred Share shall be the closing price of a
Preferred Share (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 Common Shares upon exercise of the
Rights or to distribute certificates that evidence fractional Common Shares. In
lieu of fractional Common Shares, 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
Common Share. For purposes of this subsection (c), the current market value of
one Common Share shall be the closing price of one Common Share (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 or a beneficial interest in a Right by
the acceptance thereof expressly waives his right to receive any fractional
Rights or any fractional Common 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 are vested in the respective registered holders of the Rights
Certificates (and, prior to the Distribution Date, the registered holders of the
Common Shares); and any registered holder of any Rights Certificate (or, prior
to the Distribution Date, of the Common Shares), 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 Shares), 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

                                       28


<PAGE>


available to the holders of Rights or beneficial interests therein, it is
specifically acknowledged that the holders of Rights or beneficial interests
therein 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 violations of the
obligations hereunder of any Person subject to this Agreement.

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

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

              (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 Share
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 Share 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 a beneficial interest in 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 Preferred
Share Fractions or any other securities of the Company (including the Common
Shares) that may at any time be issuable


                                       29


<PAGE>


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 24 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.

         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 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) 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 Shares 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 and trust created by this Agreement, any of the
Rights Certificates

                                       30


<PAGE>



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 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
or beneficial interests in the Rights, 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 written 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.


                                       31


<PAGE>



              (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 Common Shares to be
issued pursuant to this Agreement or any Rights Certificate or as to whether any
Common Shares or Preferred Shares 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 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 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, 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 the Rights
Agent under this Agreement and none of such actions shall constitute a breach of
trust. Nothing herein shall preclude the Rights Agent from acting in any other
capacity for the Company or for any other legal entity.


                                       32

<PAGE>


              (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 Rights 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 or transfer without first consulting with the Company.

         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' prior written notice mailed to the Company and to each
transfer agent of the Common Shares and Preferred Shares 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' prior written notice mailed to the Rights Agent or successor
Rights Agent, as the case may be, and to each transfer agent of the Common
Shares and Preferred Shares, 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 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 (a) a corporation organized, doing business
and in good standing under the laws of the United States or of any state, having
a principal office in the State of New York or the Commonwealth of Pennsylvania,
that is authorized by law to exercise corporate trust and stock transfer powers
and is subject to supervision or examination by federal or state authority and
that has at the time of its appointment as Rights Agent a combined capital and
surplus adequate in the judgment of a majority of Continuing Directors in office
at the time

                                       33


<PAGE>


to assure the performance of its duties hereunder and the protection of the
interests of the Company and the holders of Rights or beneficial interests
therein, or (b) an Affiliate of a corporation described in clause (a) of this
sentence. 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 Shares
and Preferred Shares and mail a notice thereof in writing to the registered
holders of the Rights Certificates or, prior to the Distribution Date, to the
registered holders of the Common Shares. 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 resignation 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 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, sale or delivery of Common Shares following the Distribution
Date and prior to the redemption or expiration of the Rights, the Company (a)
shall, with respect to Common Shares so issued, sold or delivered pursuant to
the exercise of stock options, stock appreciation rights, grants or awards
outstanding on the Distribution Date under any benefit plan or arrangement for
employees or directors, or upon the exercise, conversion or exchange of
securities outstanding on the Record Date or 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 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. Redemption and Termination.

              (a) The Board of Directors of the Company may, at its option, at
any time prior to the earlier of (i) the close of business on the tenth day
following a Stock Acquisition Date (or, if the Stock Acquisition Date shall have
occurred prior to the Record Date, the close of business on the tenth day
following the Record Date), or (ii) the Final


                                       34


<PAGE>


Expiration Date, redeem all but not less than all the then outstanding Rights at
a redemption price of $.01 per Right, as such amount may be appropriately
adjusted to reflect any stock split, stock dividend or similar transaction
occurring after the date hereof (such redemption price being hereinafter
referred to as the "Redemption Price") and the Company may, at its option, pay
the Redemption Price either in Common Shares (based on the "current market
price," as defined in Section 11(d)(i) hereof, of the Common Shares at the time
of redemption) or cash; provided, however, if the Board of Directors of the
Company authorizes redemption of the Rights in either of the circumstances set
forth in clauses (i) and (ii) of this proviso, then there must be Continuing
Directors then in office and such authorization shall require the concurrence of
a majority of such Continuing Directors: (i) such authorization occurs on or
after the time a Person becomes an Acquiring Person, or (ii) such authorization
occurs on or after the date of a change (resulting from a proxy or consent
solicitation) in a majority of the directors in office at the commencement of
such solicitation if any Person who is a participant in such solicitation has
stated (or, if upon the commencement of such solicitation, a majority of the
Board of Directors of the Company has determined in good faith) that such Person
(or any of its Affiliates or Associates) intends to take, or may consider
taking, any action that would result in such Person becoming an Acquiring Person
or that would cause the occurrence of a Triggering Event unless, concurrent with
such solicitation, such Person (or one or more of its Affiliates or Associates)
is making a cash tender offer pursuant to a Schedule 14D-1 (or any successor
form) filed with the Securities and Exchange Commission for all outstanding
Common Shares not beneficially owned by such Person (or by its Affiliates or
Associates); provided further, 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) an Acquiring Person shall have
transferred or otherwise disposed of a number of Common Shares 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 or the Company (with the approval of the majority of Continuing
Directors) shall have issued additional equity securities, in either instance
such that such Person is thereafter a Beneficial Owner of 10% or less of the
outstanding Common Shares, and (ii) there is no other Acquiring Person
immediately following the occurrence of the event described in clause (i), then
the right of redemption shall be reinstated and thereafter be subject to the
provisions of this Section 23. Notwithstanding anything contained in this
Agreement to the contrary, 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.

              (b) Immediately upon the action of the Board of Directors of the
Company 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


                                       35


<PAGE>


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
Shares. Any notice that 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.

              (c) In deciding whether or not to exercise the Company's right of
redemption hereunder, the directors of the Company shall act in good faith, in a
manner they reasonably believe to be in the best interests of the Company and
with such care, including reasonable inquiry, skill and diligence, as a person
of ordinary prudence would use under similar circumstances.

         Section 24.  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 Shares or to make any other distribution to the holders of
Preferred Shares (other than a Regular Dividend), or (ii) to offer to the
holders of Preferred Shares rights or warrants to subscribe for or to purchase
any additional Preferred Shares or shares of stock of any class or any other
securities, rights or options, or (iii) to effect any reclassification of its
Preferred Shares (other than a reclassification involving only the subdivision
of outstanding Preferred Shares), 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
or 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 25 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 Preferred Shares, 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 Preferred Shares 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 Preferred Shares, whichever shall be the
earlier.


                                       36


<PAGE>


              (b) Upon the occurrence of a Section 11(a)(ii) Event, (i) the
Company shall as soon as practicable thereafter give to each holder of a Right,
to the extent feasible and in accordance with Section 25 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 Shares shall be deemed
thereafter to refer to Common Shares and/or, if appropriate, other securities.

         Section 25. 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:

                           Neose Technologies, Inc.
                           102 Witmer Road
                           Horsham, PA 19044
                           Attention: Corporate 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:

                           American Stock Transfer & Trust Company
                           40 Wall Street
                           New York, NY 10005
                           Attention: Corporate Trust Department

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 Common
Shares) 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 26. Supplements and Amendments.

              (a) Prior to the Distribution Date and subject to the penultimate
sentence of this Section 26, the Company and the Rights Agent shall, if the
Company so directs, supplement or amend any provision of this Agreement without
the approval of any holders of certificates representing Common Shares. From and
after the Distribution Date and subject to the penultimate sentence of this
Section 26, the Company and the Rights Agent shall, if the Company 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


                                       37


<PAGE>


with any other provisions herein, (iii) to shorten or lengthen any time period
hereunder (which lengthening or shortening, following the first occurrence of an
event set forth in clauses (i) and (ii) of the first proviso to Section 23(a)
hereof, shall be effective only if there are Continuing Directors and shall
require the concurrence of a majority of such Continuing Directors), or (iv) to
change or supplement the provisions hereunder in any manner that the Company may
deem necessary or desirable and that shall not adversely affect the interests of
the holders of Rights Certificates; provided, this Agreement may not be
supplemented or amended to lengthen, pursuant to clause (iii) of this sentence,
(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. Upon the delivery of a
certificate from an appropriate officer of the Company that states that the
proposed supplement or amendment is in compliance with the terms of this Section
26, the Rights Agent shall execute such supplement or amendment. Notwithstanding
anything contained in this Agreement to the contrary, no supplement or amendment
shall be made that changes the Redemption Price, the Final Expiration Date, the
Purchase Price or the number of Preferred Share Fractions for which a Right is
exercisable. Prior to the Distribution Date, the interests of the beneficial
owners of Rights shall be deemed coincident with the interests of the holders of
Common Shares.

              (b) In deciding whether or not to supplement or amend this
Agreement, the directors of the Company shall act in good faith, in a manner
they reasonably believe to be in the best interests of the Company and with such
care, including reasonable inquiry, skill and diligence, as a person of ordinary
prudence would use under similar circumstances, and they may consider the
effects of any action upon employees, suppliers and customers of the Company and
upon communities in which offices or other establishments of the Company are
located, and all other pertinent factors.

         Section 27. 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 28. Determinations and Actions by the Board of Directors, etc.
For all purposes of this Agreement, any calculation of the number of Common
Shares outstanding at any particular time, including for purposes of determining
the particular percentage of such outstanding Common Shares 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 (with, where specifically provided for
herein, the concurrence of the Continuing Directors) shall have the exclusive
power and authority to administer this Agreement and to exercise all rights and
powers specifically granted to the Board (with, where specifically provided for
herein, the concurrence of the Continuing Directors) or to the Company, or as
may be necessary or advisable in the administration of this Agreement,
including, without

                                       38


<PAGE>


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 or supplement the Agreement). All such actions,
calculations, interpretations and determinations (including, for purposes of
clause (y) below, all omissions with respect to the foregoing) that are done or
made by the Board (with, where specifically provided for herein, the concurrence
of the Continuing Directors) 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 or the Continuing Directors to any
liability to the holders of the Rights.

         Section 29. 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 Shares) 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 Shares).

         Section 30. 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 for any purpose or under
any set of circumstances or as applied to any Person, such invalid, void or
unenforceable term, provision, covenant or restriction shall continue in effect
to the maximum extent possible for all other purposes, under all other
circumstances and as applied to all other Persons; and 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 23 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.
Without limiting the foregoing, if any provisions requiring that a determination
be made by less than the entire Board (or at a time or with the concurrence of a
group of directors consisting of less than the entire Board) is held by a court
of competent jurisdiction or other authority to be invalid, void or
unenforceable, such determination shall then be made by the Board in accordance
with applicable law and the Company's certificate of incorporation and by-laws.

         Section 31. 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

                                       39


<PAGE>


with the laws of such jurisdiction applicable to contracts made and to be
performed entirely within such jurisdiction.

         Section 32. 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 33. 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.


                                       40


<PAGE>



         IN WITNESS WHEREOF, the parties hereto have caused this Agreement to be
duly executed as of the day and year first above written.

                                 NEOSE TECHNOLOGIES, INC.


                                 By /s/ Stephen A. Roth
                                    -------------------------------------------
                                    Name: Stephen A. Roth
                                    Title: Chairman and Chief Executive Officer


                                 AMERICAN STOCK TRANSFER &
                                   TRUST COMPANY


                                 By /s/ Herbert J. Lemmer
                                 ----------------------------------------------
                                    Name: Herbert J. Lemmer
                                    Title: Vice President


                                       41


<PAGE>



                                                                       EXHIBIT A


                     RESOLUTION OF THE BOARD OF DIRECTORS OF
                            NEOSE TECHNOLOGIES, INC.
                           ESTABLISHING & DESIGNATING
                 SERIES A JUNIOR PARTICIPATING PREFERRED SHARES
                       AS A SERIES OF THE PREFERRED STOCK


         RESOLVED, that pursuant to the authority expressly vested in the Board
of Directors of Neose Technologies, Inc. (the "Corporation") by ARTICLE V of the
Second Amended and Restated Certificate of Incorporation of the Corporation, the
Board of Directors hereby fixes and determines the voting rights, designations,
preferences, qualifications, privileges, limitations, restrictions, options,
conversion rights and other special or relative rights of the first series of
the Preferred Stock, par value $.01 per share, which shall consist of 300,000
shares and shall be designated as Series A Junior Participating Preferred Shares
(the "Series A Preferred Shares").

Special Terms of the Series A Preferred Shares

         Section 1. Dividends and Distributions.

              (a) Dividends shall be payable on the Series A Preferred Shares on
such payment date as shall be specified by the Board of Directors (each such
date being referred to herein as a "Dividend Payment Date"), in an amount per
share (rounded to the nearest cent) equal to, subject to the provision for
adjustment hereinafter set forth, 100 times the aggregate per share amount of
all cash dividends, and 100 times the aggregate per share amount (payable in
cash, based upon the fair market value at the time the non-cash dividend or
other distribution is declared or paid as determined in good faith by the Board
of Directors) 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 of the Corporation since the immediately preceding Dividend Payment
Date, or, with respect to the first Dividend Payment Date, since the first
issuance of any share or fraction of a share of the Series A Preferred Shares.
Dividends on the Series A Preferred Shares shall be paid out of funds legally
available for such purpose. In the event the Corporation shall at any time after
October 6, 1997 (the "Rights Declaration Date") (i) declare any dividend on
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, then in each such case the amounts to which
holders of Series A Preferred Shares were entitled immediately prior to such
event under clause (ii) of the preceding sentence shall be adjusted by
multiplying each such amount by a fraction the numerator of which is


                                       A-1


<PAGE>


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) Dividends shall begin to accrue and be cumulative on
outstanding Series A Preferred Shares from the Dividend Payment Date next
preceding the date of issue of such Series A Preferred Shares, unless the date
of issue of such shares is prior to the record date for the first 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 Dividend
Payment Date or is a date after the record date for the determination of holders
of Series A Preferred Shares entitled to receive a dividend and before such
Dividend Payment Date, in either of which events such dividends shall begin to
accrue and be cumulative from such Dividend Payment Date. Accrued but unpaid
dividends shall not bear interest. Dividends paid on the Series A Preferred
Shares 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.

         Section 2. Voting Rights. In addition to any other voting rights
required by law, the holders of Series A Preferred Shares shall have the
following voting rights:

              (a) Subject to the provision for adjustment hereinafter set forth,
each Series A Preferred Share 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 shares of Common Stock, or (iii) combine the
outstanding shares of Common Stock into a smaller number of shares, then in each
such case the number of votes per share to which holders of Series A Preferred
Shares 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) In the event that dividends upon the Series A Preferred Shares
shall be in arrears for two successive Dividend Payment Dates and such dividends
shall not have been paid by the 60th day after the second Dividend Payment Date,
the holders of such Series A Preferred Shares shall become entitled to the
extent hereinafter provided to vote noncumulatively at all elections of
directors of the Corporation, and to receive notice of all stockholders'
meetings to be held for such purpose. At such meetings, to the extent that
directors are being elected, the holders of such Series A Preferred Shares
voting as a class shall be entitled solely to elect two members of the Board of
Directors of the Corporation;


                                       A-2



<PAGE>


and all other directors of the Corporation shall be elected by the other
stockholders of the Corporation entitled to vote in the election of directors.
Such voting rights of the holders of such Series A Preferred Shares shall
continue until all accumulated and unpaid dividends thereon shall have been paid
or funds sufficient therefor set aside, whereupon all such voting rights of the
holders of shares of such series shall cease, subject to being again revived
from time to time upon the reoccurrence of the conditions above described as
giving rise thereto.

              At any time when such right to elect directors separately as a
class shall have so vested, the Corporation may, and upon the written request of
the holders of record of not less than 20% of the then outstanding total number
of shares of all the Series A Preferred Shares having the right to elect
directors in such circumstances shall, call a special meeting of holders of such
Series A Preferred Shares for the election of directors. In the case of such a
written request, such special meeting shall be held within 90 days after the
delivery of such request, and, in either case, at the place and upon the notice
provided by law and in the By-laws of the Corporation; provided, that the
Corporation shall not be required to call such a special meeting if such request
is received less than 120 days before the date fixed for the next ensuing annual
or special meeting of stockholders of the Corporation. Upon the mailing of the
notice of such special meeting to the holders of such Series A Preferred Shares,
or, if no such meeting be held, then upon the mailing of the notice of the next
annual or special meeting of stockholders for the election of directors, the
number of directors of the Corporation shall, ipso facto, be increased to the
extent, but only to the extent, necessary to provide sufficient vacancies to
enable the holders of such Series A Preferred Shares to elect the two directors
hereinabove provided for, and all such vacancies shall be filled only by vote of
the holders of such Series A Preferred Shares as hereinabove provided. Whenever
the number of directors of the Corporation shall have been increased, the number
as so increased may thereafter be further increased or decreased in such manner
as may be permitted by the By-laws and without the vote of the holders of Series
A Preferred Shares, provided that no such action shall impair the right of the
holders of Series A Preferred Shares to elect and to be represented by two
directors as herein provided.

              So long as the holders of Series A Preferred Shares are entitled
hereunder to voting rights, any vacancy in the Board of Directors caused by the
death or resignation of any director elected by the holders of Series A
Preferred Shares, shall, until the next meeting of stockholders for the election
of directors, in each case be filled by the remaining director elected by the
holders of Series A Preferred Shares having the right to elect directors in such
circumstances.

              Upon termination of the voting rights of the holders of Series A
Preferred Shares, the terms of office of all persons who shall have been elected
directors of the


                                       A-3



<PAGE>


Corporation by vote of the holders of Series A Preferred Shares or by a director
elected by such holders shall forthwith terminate.

              (c) Except as otherwise provided herein, in the Certificate of
Incorporation of the Corporation or by law, the holders of Series A Preferred
Shares and the holders of Common Stock (and the holders of shares of any other
series or class entitled to vote thereon) shall vote together as one class on
all matters submitted to a vote of stockholders of the Corporation.

         Section 3. Reacquired Shares. Any Series A Preferred Shares purchased
or otherwise acquired by the Corporation in any manner whatsoever shall be
retired and cancelled promptly after the acquisition thereof. All such shares
shall upon their cancellation become authorized but unissued Preferred Stock and
may be reissued as part of a new series of Preferred Stock to be created by
resolution or resolutions of the Board of Directors.

         Section 4. Liquidation, Dissolution or Winding Up. In the event of any
voluntary or involuntary liquidation, dissolution or winding up of the
Corporation, the holders of Series A Preferred Shares shall be entitled to
receive the greater of (a) $1.00 per share, plus accrued dividends to the date
of distribution, whether or not earned or declared, or (b) an amount per share,
subject to the provision for adjustment hereinafter set forth, equal to 100
times the aggregate amount to be distributed per share to holders of Common
Stock. 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 shares of Common Stock, or (iii)
combine the outstanding shares of Common Stock into a smaller number of shares,
then in each such case the amount to which holders of Series A Preferred Shares
were entitled immediately prior to such event pursuant to 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.

         Section 5. Consolidation, Merger, etc. In case the Corporation shall
enter into any consolidation, merger, combination or other transaction in which
the shares of Common Stock are exchanged for or changed into other stock or
securities, cash and/or any other property, then in any such case the Series A
Preferred Shares 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


                                       A-4



<PAGE>


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 shares of Common Stock, or (iii) combine the outstanding shares of
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 Preferred Shares 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.

         Section 6. No Redemption. The Series A Preferred Shares shall not be
redeemable.

         Section 7. Ranking. The Series A Preferred Shares 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.

         Section 8. Fractional Shares. Series A Preferred Shares 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 all other rights of
holders of Series A Preferred Shares.


                                       A-5



<PAGE>



                                                                       EXHIBIT B


                          [FORM OF RIGHTS CERTIFICATE]




Certificate No. R-                                            ___________ Rights





         NOT EXERCISABLE AFTER OCTOBER 6, 2007 OR AFTER EARLIER REDEMPTION BY
         THE COMPANY. THE RIGHTS ARE SUBJECT TO REDEMPTION, AT THE OPTION OF THE
         COMPANY, AT $.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.]*

- ---------------
*        The bracketed portion of the legend shall be inserted only if
         applicable and shall replace the preceding sentence.


                                       B-1


<PAGE>



                            NEOSE TECHNOLOGIES, INC.

                               RIGHTS CERTIFICATE


              This certifies that _______________________, or 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 September 26, 1997 (the "Rights
Agreement"), between Neose Technologies, Inc., a Delaware corporation (the
"Company"), and American Stock Transfer & Trust Company, a New York banking
corporation (the "Rights Agent"), to purchase from the Company at any time prior
to 5:00 P.M. (New York, New York time) on October 6, 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 Series A Junior
Participating Preferred Share (the "Preferred Share") of the Company, at a
purchase price (the "Purchase Price") of $150.00 per one one-hundredth of a
Preferred Share (such fraction, a "Preferred Share Fraction"), upon presentation
and surrender of this Rights Certificate with the Form of Election to Purchase
and related Certificate duly executed. Except as provided in Sections 11(q) and
13(e) of the Rights Agreement, the Purchase Price shall be paid in cash. The
number of Rights evidenced by this Rights Certificate (and the number of
Preferred Share Fractions that may be purchased upon exercise thereof) set forth
above, and the Purchase Price per Preferred Share Fraction set forth above, are
the number and Purchase Price as of October 6, 1997, based on the Preferred
Shares as constituted at such date.

              Except as otherwise provided in the Rights Agreement, upon the
occurrence of any 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 any such Section 11(a)(ii) Event.

              As provided in the Rights Agreement, the Purchase Price and the
number and kind of Preferred Shares or other securities that 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.


                                       B-2



<PAGE>


              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 Company.

              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 Preferred Share
Fractions 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 $.01 per Right at any time prior to the earlier of the close
of business on (i) the tenth day following the Stock Acquisition Date (as such
time period may be extended pursuant to the Rights Agreement), and (ii) the
Final Expiration Date. Under certain circumstances set forth in the Rights
Agreement, the decision to redeem shall require the concurrence of a majority of
the Continuing Directors.

              No fractional Preferred Shares will be issued upon the exercise of
any Right or Rights evidenced hereby (other than fractions which are integral
multiples of a Preferred Share, which may, as the election of the Company, be
evidenced by depositary receipts), but in lieu thereof a cash payment will 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 Preferred Shares or
of any other securities of the Company (including Common Shares) that 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


                                       B-3


<PAGE>


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 countersigned by the Rights Agent.

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

Dated as of ____________ ___, 19__


ATTEST
                                    NEOSE TECHNOLOGIES, INC.


                                    By
- ----------------------------           -----------------------------------------
Secretary                           Title: Chairman and Chief Executive Officer



Countersigned

AMERICAN STOCK TRANSFER
  & TRUST COMPANY


By
   -----------------
  Authorized Officer



                                       B-4


<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.

Dated:              , 19 
      --------------    ---


                                                      -------------------------
                                                      Signature


Signature Guaranteed:


                                   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);

              (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.


                                       B-5


<PAGE>


Dated:              , 19 
      --------------    ---                        --------------------------
                                                   Signature

Signature Guaranteed:

                                     NOTICE

              The signatures 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.



                                       B-6



<PAGE>



                          FORM OF ELECTION TO PURCHASE

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

To:  NEOSE TECHNOLOGIES, INC.:

              The undersigned hereby irrevocably elects to exercise ________
Rights represented by this Rights Certificate to purchase the Preferred Shares
issuable upon the exercise of the Rights (or Common Shares or such other
securities of the Company or of any other person that 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:


                                       B-7



<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);

              (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:              , 19 
      --------------    ---                           --------------------------
                                                      Signature

Signature Guaranteed:


                                     NOTICE

              The signatures 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.



                                       B-8





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