ENZON INC
PRE 14A, 1997-10-16
BIOLOGICAL PRODUCTS, (NO DIAGNOSTIC SUBSTANCES)
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                            SCHEDULE 14A INFORMATION

Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934
                                (Amendment No. )

Filed by the Registrant |x|
Filed by a Party other than the Registrant |_|

Check the appropriate box:

|X| Preliminary Proxy Statement
| | Confidential, for Use of the Commission Only (as permitted by Rule 
    14a-6(e)(2))
|_| Definitive Proxy Statement
|_| Definitive Additional Materials
|_| Soliciting Material Pursuant to ss. 240.14a-11(c) or ss. 240.14a-12

                                  ENZON, INC.
                (Name of Registrant as Specified In Its Charter)

                             KEVIN T. COLLINS, ESQ.
     (Name of Person(s) Filing Proxy Statement if other than the Registrant)

Payment of Filing Fee (Check the appropriate box):

|X| No Fee required
|_| Fee computed on table below per Exchange Act Rules 14a-6(i)(4) and 0-11.


1) Title of each class of securities to which transaction applies:

   _____________________________________________________________________________

2) Aggregate number of securities to which transaction applies:

   _____________________________________________________________________________

3) Per unit price or other underlying value of transaction computed
   pursuant to Exchange Act Rule 0-11 (Set forth the amount on which the filing
   fee is calculated and state how it was determined):

   _____________________________________________________________________________

4) Proposed maximum aggregate value of transaction:

   _____________________________________________________________________________

5) Total fee paid:

   _____________________________________________________________________________

|_| Fee paid previously with preliminary materials.

|_| Check box if any part of the fee is offset as provided by
    Exchange Act Rule 0-11(a)(2) and identify the filing for which
    the offsetting fee was paid previously.  Identify the previous
    filing by registration statement number, or the Form or Schedule
    and the date of its filing.

    1) Amount Previously Paid: _________________________________________________

    2) Form, Schedule or Registration Statement No. ____________________________

    3) Filing Party: ___________________________________________________________

    4) Date Filed: _____________________________________________________________



<PAGE>

                                Preliminary Copy


                            [LOGO] ENZON, INC.

                               20 Kingsbridge Road
                          Piscataway, New Jersey 08854
                                 (732) 980-4500

                    NOTICE OF ANNUAL MEETING OF STOCKHOLDERS
                           TO BE HELD DECEMBER 2, 1997


To our Stockholders:

     You are hereby  notified  that the  annual  meeting  of  stockholders  (the
"Annual  Meeting")  of Enzon,  Inc.,  a  Delaware  corporation  ("Enzon"  or the
"Company")  will be held at the Embassy  Suites Hotel,  121  Centennial  Avenue,
Piscataway,  New Jersey on Tuesday,  December 2, 1997 at 10:00 a.m.  local time,
for the following purposes:

     1.   To elect two  Class II  directors,  each for a term of three  years in
          accordance with the Company's Certificate of Incorporation and By-Laws
          (Proposal No. 1);

     2.   To  vote  on  a  proposal  to  amend  the  Company's   Certificate  of
          Incorporation  to increase the number of  authorized  shares of Common
          Stock from forty million  (40,000,000)  to sixty million  (60,000,000)
          (Proposal No. 2);

     3.   To vote  on a  proposal  to  approve  an  amendment  to the  Company's
          Non-Qualified  Stock  Option  Plan,  as amended to conform the Plan to
          changes made to the rules under  Section 16(b) of the  Securities  and
          Exchange Act of 1934 (Proposal No. 3);

     4.   To  ratify  the  selection  of  KPMG  Peat  Marwick  LLP,  independent
          certified  public  accountants,  to audit the  consolidated  financial
          statements  of the  Company  for the fiscal  year ending June 30, 1998
          (Proposal No. 4); and

     5.   To transact  such other matters as may properly come before the Annual
          Meeting or any adjournment thereof.

     Only holders of record of the Company's  Common  Stock,  par value $.01 per
share, and Series A Cumulative  Convertible  Preferred Stock, par value $.01 per
share,  at the close of business  on October 27, 1997 are  entitled to notice of
and to vote at the Annual Meeting.

     Enzon hopes that as many  stockholders as possible will  personally  attend
the Annual Meeting. Whether or not you plan to attend the Annual Meeting, please
complete the enclosed  proxy card and sign,  date and return it promptly so that
your shares will be represented. Sending in your proxy will not prevent you from
voting in person at the Annual Meeting.

                                            By order of the Board of Directors,



                                            John A. Caruso, Secretary

Piscataway, New Jersey
October __, 1997



<PAGE>

                                   ENZON, INC.

                                     -------

                                 PROXY STATEMENT

                                     -------

     This Proxy  Statement is furnished in connection  with the  solicitation of
proxies for use at the annual meeting of stockholders  (the "Annual Meeting") of
Enzon, Inc.  ("Enzon" or the "Company") to be held on Tuesday,  December 2, 1997
and at any adjournment thereof. The accompanying proxy is solicited by the Board
of Directors of the Company and is revocable by the  stockholder any time before
it is voted.  For more  information  concerning  the  procedure for revoking the
proxy see "General."  This Proxy  Statement was first mailed to  stockholders of
the Company on or about October 31, 1997,  accompanied  by the Company's  Annual
Report to  Stockholders  for the fiscal year ended June 30, 1997.  The principal
executive offices of the Company are located at 20 Kingsbridge Road, Piscataway,
New Jersey 08854, telephone (732) 980-4500.

                      OUTSTANDING SHARES AND VOTING RIGHTS

     Only holders of the Company's  common stock,  par value $.01 per share (the
"Common Stock" or "Common Shares") and Series A Cumulative Convertible Preferred
Stock,  $.01 per share (the  "Series A  Preferred  Stock" or "Series A Preferred
Shares")  outstanding  at the close of business on October 27, 1997 (the "Record
Date") are entitled to receive notice of and vote at the Annual  Meeting.  As of
the Record Date, the number and class of stock that was  outstanding and will be
entitled  to vote at the meeting  were  [30,921,258]  Common  Shares and 108,000
Series A Preferred  Shares.  Each Common  Share and Series A Preferred  Share is
entitled  to one vote on all  matters.  No other  class  of  securities  will be
entitled to vote at the Annual Meeting. There are no cumulative voting rights.

     To be elected,  a director  must  receive a  plurality  of the votes of the
Common Shares and Series A Preferred Shares,  voting as a single class,  present
in person or  represented by proxy at the Annual Meeting and entitled to vote on
the election of directors.  The affirmative  votes of at least (I) a majority of
the Common  Shares and Series A Preferred  Shares  outstanding  as of the Record
Date, and entitled to vote thereon, voting together as a single class and (ii) a
majority of the Common Shares  outstanding as of the Record Date and entitled to
vote  thereon,  voting  separately  as a class,  are  necessary  for approval of
Proposal No. 2. The affirmative vote of at least a majority of the Common Shares
and Series A Preferred Shares,  present in person or represented by proxy at the
Annual Meeting and entitled to vote thereon,  voting together as a single class,
is  necessary  for  approval of Proposal  No. 3 and  Proposal No. 4. A quorum is
representation in person or by proxy at the Annual Meeting of at least one-third
of the combined  Common Shares and Series A Preferred  Shares  outstanding as of
the Record Date.

     Pursuant to the Delaware  General  Corporation Law, only votes cast "For" a
matter  constitute  affirmative  votes.  Proxy  cards which are voted by marking
"Withheld" or "Abstain" on a particular matter are counted as present for quorum
purposes and for purposes of determining  the outcome of such matter,  but since
they are not cast "For" a particular  matter,  they will have the same effect as
negative votes or votes  "Against" a particular  matter.  If a validly  executed
proxy card is not marked to indicate a vote on a particular matter and the proxy
granted  thereby is not revoked before it is voted,  it will be voted "For" such
matter. Where brokers are prohibited from exercising discretionary authority for
beneficial owners who have not provided voting  instructions  (commonly referred
to as "broker non-votes"),  such broker non-votes will be treated as shares that
are present for purposes of determining the presence of a quorum;  however, with
respect to proposals which require the affirmative vote of a percentage of votes
present at the Annual  Meeting  for  approval,  such  broker  non-votes  will be
treated as not  present  for  purposes  of  determining  the outcome of any such
matter.  With  respect to  proposals  which  require the  affirmative  vote of a
percentage of the outstanding shares for approval, since such broker

                                      - 1 -

<PAGE>

non-votes are not cast "For" a particular matter, they will have the same effect
as negative votes or votes "Against" such proposals.












                                      - 2 -

<PAGE>

                     PROPOSAL NO. 1 - ELECTION OF DIRECTORS

     Pursuant to the provisions of the Company's  Certificate  of  Incorporation
and By-laws,  the Board of Directors is comprised of three classes of directors,
designated  Class I, Class II and Class III.  One class of  directors is elected
each year to hold  office for a  three-year  term and until  successors  of such
directors are duly elected and qualified. Two Class II directors will be elected
at this  year's  Annual  Meeting.  The  nominees  for  election to the office of
director,  and certain  information  with respect to their  backgrounds  and the
backgrounds of non-nominee  directors,  are set forth below. It is the intention
of  the  persons  named  in  the  accompanying   proxy  card,  unless  otherwise
instructed,  to vote to elect the nominees  named herein as Class II  directors.
Each of the nominees named herein presently serves as a director of the Company.
In the event any of the nominees  named herein is unable to serve as a director,
discretionary  authority  is  reserved to the Board of  Directors  to vote for a
substitute.  The Board of  Directors  has no reason to  believe  that any of the
nominees named herein will be unable to serve if elected.

                 Nominees for Election to the Office of Director
                           at the 1997 Annual Meeting

<TABLE>
<CAPTION>
                                               Director
Nominee                            Age          Since                Position with the Company
- -------                            ---          -----                -------------------------
<S>                                 <C>         <C>              <C>
Randy H. Thurman(1)                 48          1993             Chairman of the Board

A.M. "Don" MacKinnon(1)(3)          72          1990             Director


                    Non-Nominee Directors Continuing to Serve
             in the Office of Director After the 1997 Annual Meeting

<CAPTION>
                                               Director
Nominee                            Age          Since                 Position with the Company
- -------                            ---          -----                 -------------------------
<S>                                 <C>         <C>              <C>
Peter G. Tombros (1)(4)             55          1994             President and Chief Executive Officer

Rolf A. Classon(2)(5)               52          1997             Director

Dr. Rosina B. Dixon (2)(4)          54          1994             Director

Robert LeBuhn (2)(3)(5)             66          1994             Director
</TABLE>

(1)  Member of the Executive Committee
(2)  Member of the Compensation Committee
(3)  Member of the Audit Committee
(4)  Class I  director  serving  until  the 1999  Annual  Meeting  
(5)  Class III director serving until the 1998 Annual Meeting

                                      - 3 -

<PAGE>

                        BUSINESS EXPERIENCE OF DIRECTORS

Nominee Class II Directors for Election at the 1997 Annual Meeting

     Randy H. Thurman has served as the  non-executive  Chairman of the Board of
the Company  since April 1996 and as a Director of the Company since April 1993.
Since 1996,  Mr.  Thurman has been a principal at Spencer  Stuart,  an executive
search  consulting firm. Mr. Thurman is the founder and has been Chairman of the
Board of Health Care Strategies 2000, a global healthcare  consulting firm since
1995.  From 1993 to 1995,  Mr.  Thurman  served as chairman and chief  executive
officer of Corning  Life  Sciences.  From 1985 to 1993,  Mr.  Thurman  served as
corporate  executive vice president and a director of Rhone-Poulenc  Rorer, Inc.
and president of Rhone-Poulenc Rorer Pharmaceuticals, Inc. He also serves on the
Board of Directors of Onyx Pharmaceuticals and Closure Medical.

     A.M.  "Don"  MacKinnon  has served as a Director of the Company since 1990.
Mr.   MacKinnon  was  president  and  chief  operating   officer  of  Ciba-Geigy
Corporation from 1980 until his retirement in 1986. He was a member of the Board
of Directors of Ciba-Geigy  Corporation from 1970 until he reached the mandatory
retirement age in December  1994.  Over the last nine years,  Mr.  MacKinnon has
served on the Board of Directors of several biopharmaceutical companies.

     The Board of Directors  recommends a vote FOR Mr. Thurman and Mr. MacKinnon
as Class II Directors (Proposal No. 1 on the Proxy Card).

Non-Nominee Class I Directors Serving Until the 1999 Annual Meeting

     Peter G. Tombros has served as President and Chief Executive Officer of the
Company and a member of the board since April 1994.  Prior to joining Enzon, Mr.
Tombros  spent 25 years with Pfizer Inc., a research  based,  global  healthcare
company  headquartered in New York City. From 1986 to March 1994, he served as a
vice president of Pfizer Inc. in the following  areas:  executive vice president
of Pfizer  Pharmaceuticals,  a  division  of Pfizer  Inc.,  corporate  strategic
planning and investor relations. From 1980 to 1986, Mr. Tombros served as senior
vice  president  of Pfizer  Pharmaceuticals  and general  manager for the Roerig
division of Pfizer Inc. Mr. Tombros currently serves on the Board of Trustees of
Cancer Care and the National Cancer Care Foundation,  Dominican College and Fisk
University.  From 1980 to 1992, he was a director of the American  Foundation of
Pharmaceutical  Education  and served as Chairman for three of those years.  Mr.
Tombros serves on the Board of Directors of Alpharma Inc.,  formally A.L. Pharma
Inc.,  a  Norwegian  company   specializing  in  the  areas  of  animal  health,
pharmaceuticals and fine chemicals.

     Dr.  Rosina B. Dixon has served as a Director of the Company  since  August
1994. Dr. Dixon has been a consultant to the pharmaceutical industry since 1987.
Prior to such time she held senior  positions at Ciba-Geigy  Pharmaceuticals,  a
division  of  Ciba-Geigy  Corporation,   and  Schering-Plough  Corporation.  She
received her M.D. from Columbia  University,  College of Physicians and Surgeons
and is  certified by the National  Board of Medical  Examiners  and the American
Board of Internal Medicine.  She is a member of the American College of Clinical
Pharmacology,  American  Society for Clinical  Pharmacology and Therapeutics and
the  National  Association  of Corporate  Directors  and  currently  serves as a
director of Church & Dwight Co., Inc. and Cambrex Corporation.

Non-Nominee Class III Director Serving Until the 1998 Annual Meeting

     Robert  LeBuhn has served as a Director of the Company  since  August 1994.
Mr. LeBuhn was chairman of Investor  International (U.S.), Inc., a subsidiary of
Investor  A.B.,  part of  Sweden's  Wallenberg  Group  from June 1992  until his
retirement in September  1994,  and was its  president  from August 1984 through
June 1992. He is a former managing director of Rothschild,  Inc. Mr. LeBuhn is a
director of US Airways Group, Inc.,  Acceptance Insurance  Companies,  Inc., New
Jersey Steel Corporation and Cambrex Corporation.  He is president and a trustee
of the Geraldine R. Dodge Foundation.

                                      - 4 -

<PAGE>

     Rolf A. Classon has served as a Director of the Company since January 1997.
Mr. Classon is currently an Executive Vice  President of Bayer  Corporation  and
President of Bayer Diagnostics.  From 1991 to 1995, Mr. Classon was an Executive
Vice President in charge of Bayer Diagnostics'  Worldwide  Marketing,  Sales and
Service  operations.  From 1990 to 1991,  Mr.  Classon was  President  and Chief
Operating Officer of Pharmacia Biosystems A.B. Prior to 1991, Mr. Classon served
as president of Pharmacia  Development  Company Inc. and Pharmacia A.B. Hospital
Products Division.

                             DIRECTORS' COMPENSATION

Directors' Cash Compensation

     During the  fiscal  year ended June 30,  1997,  the  Company  paid Randy H.
Thurman  $100,000 in  consideration  for  serving as Chairman of the Board.  The
Company did not pay cash compensation to its remaining directors for acting as a
director  or a member  of  committees  of the  Board of  Directors,  other  than
reimbursement of reasonable expenses incurred by the director in attending board
and committee meetings.

Directors' Stock Options

     In December  1993,  the Board of Directors  adopted,  and the  stockholders
approved,  an amendment to the Non-Qualified Stock Option Plan, as amended, (the
"Plan") providing for automatic grants of options  ("Automatic  Grants") under a
formula  (the  "Formula")  to  non-executive  members of the Board of  Directors
("Independent Directors").

     Under the Formula, Independent Directors automatically receive an option to
purchase 60,000 shares of Common Stock on each of the following  dates:  January
2,  1994,  January 2, 1997,  January 2, 2000 and  January 2, 2003 (the  "Regular
Grants").  On the date of each  Independent  Director's  initial election to the
board,  pursuant  to a vote of the  Company's  stockholders  or the board,  such
newly-elected  Independent  Director  automatically  receives  (i) an  option to
purchase such Independent  Director's pro rata share of the Regular Grant, which
equals the product of 1,666  multiplied by the number of whole months  remaining
in the relevant  three year period  until the next Regular  Grant (the "Pro Rata
Grant");  and (ii) an option to  purchase  10,000  shares of Common  Stock  (the
"Initial  Election  Grant").  Each  option  granted to an  Independent  Director
pursuant  to a Regular  Grant vests and becomes  exercisable  as follows:  as to
20,000  shares one year after the date of grant;  as to 20,000  shares two years
after the date of grant, and as to the remaining 20,000 shares three years after
the date of grant.  Those options granted  pursuant to a Pro Rata Grant vest and
become  exercisable  as to that  number of shares  equal to the product of 1,666
multiplied by the number of whole months remaining in the first calendar year in
which the Independent  Director is elected initially to the board on the January
1st following such Independent  Director's initial election to the board; and as
to any  remaining  shares in  accordance  with the schedule for options  granted
pursuant  to a Regular  Grant.  Those  options  granted  pursuant  to an Initial
Election Grant vest and become exercisable as to 5,000 shares one year after the
date of grant; and as to 5,000 shares two years after the date of grant. The per
share exercise price of options granted  pursuant to the Formula is equal to the
fair market value of the Common Stock on the date of grant.

     An option granted to an Independent  Director  pursuant to the Formula will
not  become  exercisable  as to the  relevant  shares  unless  such  Independent
Director has served continuously on the board during the year preceding the date
on which such options are scheduled to vest and become exercisable,  or from the
date such  Independent  Director  joined  the  board  until the end of such year
should  such  Independent  Director  have  joined  the board  during  such year;
provided,  however,  that if an  Independent  Director  does  not  fulfill  such
continuous  service  requirement  due to such  Independent  Director's  death or
disability  all options  granted under the Formula and held by such  Independent
Director  nonetheless  vest and become  exercisable  as though such  Independent
Director fulfilled the continuous service  requirement.  An option granted to an
Independent Director pursuant to the Formula remains exercisable for a period of
ten years from the date of grant.

     During May 1997,  the Company  granted  A.M.  "Don"  MacKinnon an option to
purchase  2,000  shares  of  the  Company's  Common  Stock  under  the  Plan  in
consideration for additional services provided to the Company. The per

                                      - 5 -

<PAGE>

share exercise price of the option is $2.69,  which was equal to the fair market
value of the  Common  Stock on the date of grant.  The  option has a term of ten
years.  The options are fully vested and will become  exercisable on November 9,
1997.







                                      - 6 -

<PAGE>

Independent Directors' Stock Plan

     The Company's  1996  Independent  Directors'  Stock Plan (the  "Independent
Directors' Stock Plan") provides  compensation to Independent  Directors serving
on the board which is paid in the form of the Company's Common Stock. Other than
the Chairman of the Board,  Independent  Directors are not currently entitled to
receive cash  compensation.  Under the Independent  Directors'  Stock Plan, each
Independent  Director  is  entitled  to  compensation  equivalent  to $2,500 per
quarter and $500 for each meeting  attended by the board  member.  The number of
shares issued will be based on the last reported sale price of a share of Common
Stock on the NASDAQ National Market at the end of the quarter for which fees are
payable.  During the year ended June 30, 1997, the Company  recorded  $65,500 in
Independent  Directors' fees. The following is a summary of compensation paid to
the Independent Directors under the Independent Director Stock Plan:

                                           Value of              Number
                                         Consideration          of Shares
                                         -------------          ---------
           Randy H. Thurman                 $14,500               5,743
           Rolf A. Classon                    7,500               3,117
           Dr. Rosina Dixon                  14,500               5,743
           Robert LeBuhn                     14,500               5,743
           A.M. "Don" MacKinnon              14,500               5,743
                                                   
Section 16(a) Beneficial Ownership Reporting Compliance

     Ownership of and transactions in the Company's stock by executive  officers
and  directors  of the  Company  and  owners  of 10% or  more  of the  Company's
outstanding  Common  Stock are  required to be reported  to the  Securities  and
Exchange  Commission pursuant to Section 16(a) of the Securities Exchange Act of
1934,  as amended.  During the year ended June 30,  1997,  all such reports were
filed in a timely manner.

               INFORMATION CONCERNING BOARD AND COMMITTEE MEETINGS
                           AND COMMITTEES OF THE BOARD

     Nine  meetings of the  Company's  Board of  Directors  were held during the
fiscal year ended June 30, 1997. Each incumbent  director  attended at least 75%
of the total number of meetings of the Board of Directors and any  committees of
the Board of  Directors  of which such  director  was a member  held  during the
fiscal year.

     As of June 30, 1997, the only standing committees of the Company's Board of
Directors  were  the  Audit  Committee,  Compensation  Committee  and  Executive
Committee.

     The Audit Committee is comprised of Robert LeBuhn,  Chairman and A.M. "Don"
MacKinnon.  The primary  functions of the Audit  Committee  are to meet with the
Company's  independent  auditors  to discuss  and review  audit  procedures  and
issues,  meet with  management on matters  concerning  the  Company's  financial
condition, internal controls and year-end audit, and report to the board on such
matters. The Audit Committee held two meetings during the fiscal year ended June
30, 1997.

     The   Compensation   Committee  is  comprised  of  Dr.   Rosina  B.  Dixon,
Chairperson,  Rolf A. Classon and Robert  LeBuhn.  The primary  functions of the
Compensation Committee are to administer the Company's NonQualified Stock Option
Plan, determine the compensation of the Company's officers and senior management
and review  compensation  policy.  There were four meetings of the  Compensation
Committee during the fiscal year ended June 30, 1997.

     The Executive Committee, comprised of A.M. "Don" MacKinnon, Chairman, Peter
G. Tombros, and Randy H. Thurman,  meets to review and make decisions concerning
matters which would  otherwise  come before the Board,  as permitted by Delaware
law and the Company's by-laws.  Given the relatively small size of the Company's
current Board

                                      - 7 -

<PAGE>

of Directors,  the Company  determined that efficiencies were not being realized
from  meetings  of the  Executive  Committee  and  therefore  suspended  regular
meetings of the Executive Committee in September 1994. There were no meetings of
the Executive Committee during the fiscal year ended June 30, 1997.

                      COMPENSATION COMMITTEE INTERLOCKS AND
                              INSIDER PARTICIPATION

     As of the date hereof, the members of the Board of Directors serving on the
Compensation  Committee  of the Board of  Directors  are Dr.  Rosina  B.  Dixon,
Chairperson,  Rolf A. Classon and Robert  LeBuhn,  all of whom are  non-employee
directors of the Company.

                    BUSINESS EXPERIENCE OF EXECUTIVE OFFICERS

     Set forth below is certain information  regarding the executive officers of
the Company who do not serve on the Board of Directors.

     John A. Caruso, 52, has served as Vice President,  Business Development and
General  Counsel of the Company  since July 1994 and as Secretary of the Company
since July 1989.  From  January  1991 to July 1994,  Mr.  Caruso  served as Vice
President,  Legal Affairs of the Company. From the time he joined the Company in
September 1987 through December 1990, Mr. Caruso served as Corporate  Counsel to
the Company.  From 1979 through 1987, Mr. Caruso was employed at Baxter Travenol
Laboratories in Deerfield, Illinois as corporate counsel.

     Kenneth  J.  Zuerblis,  38,  has served as Chief  Financial  Officer  since
January 1996 and as Vice President,  Finance since April 1994. From July 1991 to
April 1994, Mr. Zuerblis served as the Company's  Controller.  From January 1982
to July 1991,  Mr.  Zuerblis  was employed by KPMG Peat Marwick LLP. He became a
certified public accountant in 1985.

                           SUMMARY COMPENSATION TABLE

     The following  table  provides a summary of cash and non-cash  compensation
for each of the last three fiscal years ended June 30, 1997,  1996 and 1995 with
respect to Enzon's  Chief  Executive  Officer and the other  executive  officers
serving  during  the  fiscal  year ended  June 30,  1997 (the  "Named  Executive
Officers").

<TABLE>
<CAPTION>
                                                                                                Long-Term
                                            Annual Compensation                               Compensation
                                            -------------------                                   Awards
                                                                                                  ------
         Name and                                                         Other Annual     Securities Underlying        All Other
     Principal Position               Year    Salary($)      Bonus($)   Compensation($)(1)      Options(#)        Compensation($)(2)
     ------------------               ----    ---------      --------   ------------------      ----------        ------------------
<S>                                   <C>     <C>           <C>             <C>                   <C>                 <C>     
Peter G. Tombros                      1997    $307,626      $50,000(4)      $  --                 420,000             $  4,729
President and Chief                   1996     300,000         --            36,000(3)             60,000                  950
 Executive Officer                    1995     300,000         --            32,000(3)            189,000                1,270
    
John A. Caruso                        1997     170,000       25,000            --                  80,000                  163
Vice President, Business              1996     163,651       39,100            --                  40,000                  --
 Development, General Counsel         1995     122,299         --              --                  82,000                  --
 and Secretary

Kenneth J. Zuerblis                   1997     148,052       40,000            --                  90,000                5,395
Vice President, Finance and           1996     132,813       24,871            --                  40,000                1,989
   Chief Financial Officer            1995     100,000         --              --                  85,000                1,500
</TABLE>

(1)  Excludes  perquisites and other personal  benefits that in the aggregate do
     not exceed 10% of the Named  Executive  Officer's  total annual  salary and
     bonus.

                                      -8-

<PAGE>

(2)  Consists of annual Company contributions to a 401(k) plan.

(3)  Consists  of auto and living  allowance.  As of April 5, 1997,  the Company
     ceased paying Mr. Tombros an auto and living allowance.

(4)  Mr.  Tombros has  elected to defer the payment of his bonus  earned for the
     year ended June 30, 1997.

                        OPTION GRANTS IN LAST FISCAL YEAR

     The following  table  contains  information  concerning  the grant of stock
options  under  the  Company's  Non-Qualified  Stock  Option  Plan to the  Named
Executive Officers during the fiscal year ended June 30, 1997.

<TABLE>
<CAPTION>
                                         Individual Grants
                             ----------------------------------------------
                             Number of                                                      Potential Realizable Value at Assumed
                             Securities     % of Total                                           Annual Rates of Stock Price     
                             Underlying   Options Granted                                      Appreciation for Option Term (5)  
                               Options      to Employees   Exercise or Base   Expiration    -------------------------------------
Name                         Granted (1)   in Fiscal Year  Price ($/Share)       Date         0%($)           5%($)       10%($)
- ----                         -----------   --------------  ---------------   -----------    ----------      --------    ---------
<S>                            <C>              <C>             <C>             <C>   <C>      <C>          <C>          <C>     
Peter G. Tombros               60,000(2)        5.82%           $2.81           07/23/06       $0           $106,126     $268,944
                               60,000(3)        5.82%            2.56           02/11/07        0             96,693      245,038
                              300,000(4)       29.12%            2.69           04/05/07        0            505,292    1,279,501
 
John A. Caruso                 40,000(2)        3.88%            2.81           07/23/06        0             70,751      179,296
                               40,000(3)        3.88%            2.56           02/11/07        0             64,462      163,359

Kenneth J. Zuerblis            50,000(2)        4.85%            2.81           07/23/06        0             88,438      224,120
                               40,000(3)        3.88%            2.56           02/11/07        0             64,462      163,359
</TABLE>

(1)  All options were granted at an exercise  price that equaled or exceeded the
     fair market value of the Common Stock on the date of grant,  as  determined
     by the last sale price as  reported  on the  NASDAQ  National  Market.  The
     options will become exercisable as to all shares immediately upon a "change
     in  control" of the  Company as defined in certain  agreements  between the
     executive  officers  and  the  Company.  See  "Employment  and  Termination
     Agreements".

(2)  These options vested and became exercisable as to 50% of the shares granted
     on July 23, 1997 with the remaining 50% of the shares  granted  vesting and
     becoming  exercisable on July 23, 1998,  provided that the Named  Executive
     Officer is employed by the Company on the vesting date.

(3)  These  options  will vest and  become  exercisable  as to 50% of the shares
     granted on February  11, 1998 and the  remaining  50% on February 11, 1999,
     provided that the Named Executive Officer is employed by the Company on the
     vesting date.

(4)  Mr. Tombros' option will vest and become  exercisable on April 5, 2005. The
     vesting and  exercisability of the options granted will be accelerated,  if
     the  Company's  Common Stock  exceeds  certain  closing price levels for at
     least twenty  consecutive  trading days as reported by the NASDAQ  National
     Market.  The  options  will vest and become  exercisable  in 100,000  share
     increments if the closing price of the Company's  Common Stock, as defined,
     exceeds $4, $5 and $6 per share, respectively.

(5)  The amounts set forth in the three  columns  represent  hypothetical  gains
     that might be  achieved  by the  optionees  if the  respective  options are
     exercised at the end of their terms. These gains are based on assumed rates
     of stock price appreciation of 0%, 5% and 10% compounded  annually from the
     dates the respective  options were granted.  The 0% appreciation  column is
     included  because the options  were  granted  with  exercise  prices  which

                                      - 9 -

<PAGE>

     equaled or exceeded the market price of the underlying  Common Stock on the
     date of grant, and thus will have no value unless the Company's stock price
     increases above the exercise prices.

                   OPTION EXERCISES AND FISCAL YEAR-END VALUES

     The following  table sets forth the  information  with respect to the Named
Executive  Officers  concerning  the exercise of options  during the fiscal year
ended June 30, 1997 and unexercised options held as of June 30, 1997.

<TABLE>
<CAPTION>
                                                                      Number of Securities              Value of Unexercised
                                                                     Underlying Unexercised             In-the-Money Options
                                                                      Options at FY-End (#)               at FY-End ($)(1)
                             Shares Acquired       Value              ---------------------               ----------------
     Name                    On Exercise (#)    Realized($)         Exercisable  Unexercisable       Exercisable   Unexercisable
     ----                    ---------------    -----------         -----------  -------------       -----------   -------------
<S>                               <C>               <C>               <C>           <C>                 <C>            <C>
Peter G. Tombros                   --               --                619,000       450,000             $28,813         --

John A. Caruso                     --               --                160,992       100,000               6,250         --

Kenneth J. Zuerblis                --               --                130,000       110,000               6,250         --
</TABLE>

(1)  Based upon a market value of $2.25 as  determined by the last sale price as
     reported on the NASDAQ  National  Market on June 30, 1997.  If the exercise
     price is equal to or greater than such last sale price the option is deemed
     to have no value.


                                     - 10 -

<PAGE>

                      EMPLOYMENT AND TERMINATION AGREEMENTS

     During  April  1997,  the  Company  entered  into a  three-year  employment
agreement with Mr.  Tombros  pursuant to which he receives an annual base salary
of $336,000.  In the event Mr. Tombros' employment is terminated for any reason,
except if such  employment is terminated  (I)  voluntarily by Mr. Tombros (other
than in  response  to the  Company's  prior  material  breach of the  employment
agreement),  (ii) by the  Company  "for  cause" (as  defined  in the  employment
agreement) or (iii) as a result of Mr. Tombros' death or disability, Mr. Tombros
will be entitled to receive his base salary for one year after such termination.
In the  event  Mr.  Tombros'  employment  is  terminated  due to  his  death  or
disability  his base  salary  will be paid  for six  months  subsequent  to such
termination.  Pursuant to his  employment  agreement,  Mr. Tombros was granted a
ten-year option under the Company's  NonQualified  Stock Option Plan to purchase
300,000  shares of the Company's  Common Stock at a per share  exercise price of
$2.69, the fair market value of the Company's Common Stock on the date of grant.
The option vests and becomes  exercisable  on April 5, 2005 provided Mr. Tombros
does not  voluntarily  terminate  his  employment  with the  Company  (except in
response to the Company's  prior material  breach of the  employment  agreement)
prior to the  relevant  vesting  date.  The  vesting and  exercisability  of the
options  granted will be  accelerated  if the  Company's  Common  Stock  exceeds
certain  closing  price levels for at least twenty  consecutive  trading days as
reported  by the  NASDAQ  National  Market.  The  option  will  vest and  become
exercisable  in 100,000  share  increments if the closing price of the Company's
Common  Stock,  as defined,  exceeds $4, $5 and $6 per share  respectively.  Mr.
Tombros' employment  agreement also requires him to maintain the confidentiality
of Company  information  and assign  inventions to the Company.  Mr.  Tombros is
precluded  from  competing  with the Company  during the term of his  employment
agreement and for two years after his employment is terminated if his employment
is terminated by the Company for cause or by Mr. Tombros  voluntarily (except in
response to the Company's prior material breach of the employment agreement).

     The  Company  has  agreements  with each of its  executive  officers  which
provide for payment to each executive officer of three years of compensation and
benefits  (as defined in such  agreements)  following a change in control of the
Company  (as  defined in such  agreements),  including  the  provision  for such
payment in the event such  executive  officer's  employment  with the Company is
terminated under certain circumstances  following such change in control. Upon a
change in control of the Company,  all options held by such  executive  officers
shall vest  immediately,  notwithstanding  any vesting  provisions in the option
certificates or any plan covering such options.  The term of these agreements is
for three  years.  Prior to a change in control of the Company,  the  agreements
automatically  renew on each  successive  anniversary  for an  additional  three
years,  unless the Company gives the  executive  officer 60 days notice prior to
the anniversary date that it does not plan to renew such contracts.

                                     - 11 -

<PAGE>

         REPORT OF THE COMPENSATION COMMITTEE OF THE BOARD OF DIRECTORS

     The  Compensation  Committee  of the Board of  Directors  consists of three
non-employee  directors and determines all  compensation  paid or awarded to the
Company's  executive  officers,  including the Named  Executive  Officers in the
Summary Compensation Table. As with many other biotechnology companies,  Enzon's
current level of development  and the highly  volatile  nature of  biotechnology
stocks  in  general  makes  executive  compensation  which is based on sales and
earnings goals or stock performance  impracticable.  The Compensation  Committee
believes  that  an  important   factor  in  Enzon's  success  is  the  continued
development and maintenance of a culture focused on  team-oriented  performance.
In this context, compensation has been based on the accomplishment of a blend of
mutually shared and individual  goals. The  Compensation  Committee has reviewed
the executive  compensation  of other  biotechnology  companies with  comparable
levels of  stockholders'  equity and  development and has designed the Company's
total  executive  compensation  to  be  targeted  at  the  median  of  executive
compensation  levels  of these  companies.  The  compensation  of the  Company's
executive  officers consist of three principal  components:  (I) base salary and
benefits,  (ii) a bonus  based on  individual  contributions  evaluated  against
annual goals and (iii) long-term incentives in the form of stock option grants.

     During April 1997, the Compensation  Committee  renewed the Company's Chief
Executive  Officer,  Peter G. Tombros' contract for a period of three years. The
contract  increased Mr. Tombros' salary to $336,000 from $300,000.  The contract
also  eliminated  certain living  allowances that were paid to Mr. Tombros under
the previous contract. The living allowance totaled approximately $36,000 during
the fiscal year ended June 30, 1996. Prior to this increase, Mr. Tombros' salary
was not  increased  during  the  previous  three  years,  at the  request of Mr.
Tombros. The Compensation  Committee also awarded Mr. Tombros a bonus for fiscal
year end June 30,  1997 of  approximately  $50,000.  The bonus was based on many
factors  including the  strengthening  of the Company's  financial  position and
improving its strategic  focus.  Mr. Tombros has elected to defer the payment of
his bonus until a future date  determined  by him. The annual salary of $336,000
provided in Mr.  Tombros' new  employment  agreement  and the bonus awarded were
based on Mr.  Tombros'  extensive  experience  as a senior  executive of a major
multinational  pharmaceutical  firm and the compensation paid to chief executive
officers with similar  credentials at comparable biotech companies.  Pursuant to
Mr. Tombros' new employment agreement, the Compensation Committee also granted a
ten year option to purchase  300,000 shares of Common Stock at a per share price
of $2.69,  the fair market  value of the  Company's  Common Stock on the date of
grant.  The option vests and becomes  exercisable  on April 5, 2005.  The option
provides for an  acceleration  of vesting and  exercisability  if the  Company's
Common  Stock  exceeds   certain  closing  price  levels  for  at  least  twenty
consecutive  trading days as reported by the NASDAQ National Market.  The option
vests and becomes  exercisable in 100,000 share  increments if the closing price
of the  Company's  Common  Stock,  as defined,  exceeds $4, $5 and $6 per share,
respectively.

     During the fiscal  year ended June 30,  1997,  the  Compensation  Committee
awarded cash bonuses to the Company's other executive officers,  Messrs.  Caruso
and  Zuerblis.  The  bonuses  were  based  on the  executives'  contribution  to
improvement of the Company's financial  position.  The Company also adjusted the
salary level of Mr.  Zuerblis.  The salary  adjustment  and bonus  payments were
based on a detailed compensation study of executives with similar credentials at
comparable biotechnology companies.

     In addition to the option granted under Mr. Tombros'  employment  contract,
the Compensation Committee granted,  during the fiscal year ended June 30, 1997,
options to purchase an  aggregate  of 290,000  shares of Common Stock to Messrs.
Tombros,  Caruso and  Zuerblis.  These  options  were granted for the purpose of
encouraging these executive officers to remain with the Company and to provide a
long-term performance incentive to such officers.  The options were granted with
exercise  prices that equaled or exceeded the fair market value of the Company's
Common Stock on the date of grant. The options  generally  require the executive
officers to remain with the Company for two years in order for the options to be
fully exercisable.

                                                THE COMPENSATION COMMITTEE

                                                Dr. Rosina B. Dixon, Chairperson
                                                Rolf A. Classon
                                                Robert LeBuhn



                                     - 12 -

<PAGE>

                      STOCKHOLDER RETURN PERFORMANCE GRAPH


     The graph below summarizes the total cumulative  return  experienced by the
Company's stockholders from June 30, 1992 through June 30, 1997, compared to the
NASDAQ  Stock  Market  Index  and  a  Peer  Group  index   consisting  of:  Isis
Pharmaceuticals,  Inc., Repligen Corp.,  Celgene Corp.,  Gensia  Pharmaceuticals
Inc.,  Collagen Corp.,  Liposome Inc.,  Cytel Corp.,  Cytogen Corp. and Cephalon
Inc. (the "Peer Group"). The Company and the companies comprising the Peer Group
are biotechnology companies which are all traded on the NASDAQ Stock Market. The
Peer Group used for the stockholder  return  performance  graph does not include
Synergen Inc.,  Cambridge  Biotech  Corporation,  DNA Plant  Technology Corp. or
Calgene,  Inc.  which were  included in the Peer Group in prior years.  Synergen
Inc.,  DNA Plant  Technology  and Calgene Inc.  were  acquired and are no longer
publicly traded. Cambridge Biotech Corporation is no longer traded on the NASDAQ
Stock Market. The changes for the periods shown in the graph and table below are
based on the assumption that $100 had been invested in Enzon,  Inc. Common Stock
and in each index below on June 30, 1992.

                    [THE FOLLOWING TABLE WILL BE REPRESENTED
                    BY A LINE GRAPH IN THE PRINTED MATERIAL]

                 COMPARISON OF FIVE YEAR CUMULATIVE TOTAL RETURN
      AMONG ENZON, INC., THE NASDAQ STOCK MARKET-US INDEX AND A PEER GROUP


                                            Fiscal year ending June 30,
                                            ---------------------------
                                1992     1993     1994     1995     1996    1997
                                ----     ----     ----     ----     ----    ----

Enzon, Inc.                     100       71       40       35       51       33
Peer Group                      100       75       44       53       72       45
NASDAQ  Stock
  Market-US                     100      126      127      169      218      265



                                      - 13 -

<PAGE>



                          SECURITY OWNERSHIP OF CERTAIN
                        BENEFICIAL OWNERS AND MANAGEMENT

     The  following  table  sets  forth  certain  information  concerning  stock
ownership of all persons known by the Company to own  beneficially 5% or more of
the  outstanding  shares of the Company's  voting  stock,  each  Director,  each
Executive  Officer  named in the Summary  Compensation  Table and all  Executive
Officers and Directors of the Company as a group as of October 20, 1997:

                                                                   Percentage of
Directors, Officers or                           Number of         Voting Stock
5% Stockholders(1)                               Shares(2)        Outstanding(3)
- ------------------                               ---------        --------------

Peter G. Tombros                                806,300(4)            2.5%
Randy H. Thurman                                218,228(5)               *
Rolf A. Classon                                   3,630                  *
Dr. Rosina B. Dixon                              79,892(6)               *
Robert LeBuhn                                    85,010(7)               *
A.M. "Don" MacKinnon                            139,822(8)               *
John A. Caruso                                  230,292(9)               *
Kenneth J. Zuerblis                             176,600(10)              *
Clearwater Fund IV Ltd.                       2,832,831(11)           9.0%
  P.O. Box 662
  Tortola, British Virgin Islands
State of Wisconsin                            2,512,000(12)           8.1%
  Investment Board
  P.O. Box 7842
  Madison, Wisconsin 53707
All Executive Officers and Directors          1,739,780(13)           5.3%
 as a group (eight persons)

- ----------
*    Less than one percent.

(1)  The address of all current Executive Officers and Directors listed above is
     in the care of the Company.

(2)  All shares  listed are Common  Stock.  Except as discussed  below,  none of
     these  shares are  subject to rights to acquire  beneficial  ownership,  as
     specified in Rule 13d-3(d)(1) under the Securities Exchange Act of 1934, as
     amended,  and the beneficial  owner has sole voting and  investment  power,
     subject to community property laws where applicable.

(3)  Gives effect to  30,921,258  shares of Common  Stock and 108,000  shares of
     Series A Preferred  Stock which were issued and  outstanding  as of October
     20, 1997. Generally,  the Series A Preferred Stock and Common Stock vote as
     one class of stock.  Each share of Common  Stock and each share of Series A
     Preferred  Stock is entitled to one vote.  The  percentage  of voting stock
     outstanding  for each  stockholder is calculated by dividing (I) the number
     of shares deemed to be beneficially  held by such stockholder as of October
     20,  1997 by (ii) the sum of (A) the  number  of  shares  of  Common  Stock
     outstanding  as of October 20, 1997 plus (B) the number of shares of Series
     A Preferred Stock outstanding as of October 20, 1997 plus (C) the number of
     shares  issuable  upon  exercise  of  options  or  warrants  held  by  such
     stockholder  which were  exercisable  as of October  20, 1997 or which will
     become exercisable within 60 days after October 20, 1997.

                                     - 14 -

<PAGE>

(4)  Includes  779,000  shares  subject to options which were  exercisable as of
     October  20,  1997 or which will  become  exercisable  within 60 days after
     October 20, 1997.

(5)  Consists of 195,000 shares subject to options which were  exercisable as of
     October  20,  1997 or which will  become  exercisable  within 60 days after
     October 20, 1997.

(6)  Includes  56,664  shares  subject to options which were  exercisable  as of
     October  20,  1997 or which will  become  exercisable  within 60 days after
     October 20, 1997.

(7)  Includes  56,664  shares  subject to options which were  exercisable  as of
     October  20,  1997 or which will  become  exercisable  within 60 days after
     October 20, 1997.

(8)  Includes  112,000  shares  subject to options which were  exercisable as of
     October  20,  1997 or which will  become  exercisable  within 60 days after
     October 20, 1997 and 11,800 shares  beneficially  owned by Mr.  MacKinnon's
     wife. Mr. MacKinnon disclaims  beneficial  ownership as to the shares owned
     by his wife.

(9)  Consists of 229,992 shares subject to options which were  exercisable as of
     October  20,  1997 or which will  become  exercisable  within 60 days after
     October 20, 1997.

(10) Includes  175,000  shares  subject to options which were  exercisable as of
     October  20,  1997 or which will  become  exercisable  within 60 days after
     October 20, 1997 and 600 shares owned by Mr. Zuerblis' IRA.

(11) Includes  warrants to purchase 273,723 shares of the Company's Common Stock
     at $4.11 per share and  warrants to purchase  200,000  shares at $5.625 per
     share.  The  information  concerning the stock  ownership of the Clearwater
     Fund IV Ltd. was obtained from a Schedule 13D filed with the Securities and
     Exchange Commission dated February 28, 1997.

(12) The  information  concerning the stock  ownership of the State of Wisconsin
     Investment  Board was  obtained  from a Schedule  13F filed by the State of
     Wisconsin  Investment  Board with the  Securities  and Exchange  Commission
     dated February 10, 1997.

(13) Includes  all  shares  owned  beneficially  by the  directors  and  current
     executive officers named in the Summary Compensation Table.

                                     - 15 -

<PAGE>

                          PROPOSAL NO. 2 - APPROVAL OF
                 PROPOSED AMENDMENT TO THE COMPANY'S CERTIFICATE
              OF INCORPORATION TO INCREASE AUTHORIZED COMMON STOCK

     At present the Company is authorized to issue  40,000,000  shares of Common
Stock,  $.01 par value per share and 3,000,000 shares of Preferred  Stock,  $.01
par value per share.  As of October  20,  1997,  there  were  108,000  shares of
Preferred Stock designated as Series A Preferred Stock  outstanding.  Also as of
that date,  there  were  [30,921,258]  shares of Common  Stock  outstanding  and
4,397,000 shares reserved for issuance pursuant to various  outstanding  options
to purchase Common Stock,  [1,453,000]  shares  reserved for additional  options
which may be granted under the Non-Qualified Stock Option Plan, 1,039,000 shares
reserved  pursuant to outstanding  warrants to purchase Common Stock and 245,000
shares  reserved for issuance upon  conversion  of the Series A Preferred  Stock
outstanding. Thus, as of October 20, 1997, 1,944,742 shares of Common Stock were
available for issuance.

     The Board of  Directors  believes  that it is in the best  interest  of the
Company  to  increase  the  authorized  number of shares  of Common  Stock  from
40,000,000 to 60,000,000.  The Company may need to issue additional Common Stock
to  consummate   strategic   acquisitions,   technology  or  product   licensing
agreements,  implement  additional  management or employee incentive programs or
obtain additional financing. On October 7, 1997, the Board of Directors voted to
submit  to  a  vote  of   stockholders   an  amendment  to  the  Certificate  of
Incorporation increasing the authorized Common Stock. The Company has no present
agreement,  commitment,  plan or intent to issue  any of the  additional  shares
provided for in this Proposal.

     If this Proposal is approved,  the  additional  authorized  Common Stock as
well as the currently  authorized  but unissued  Common Stock would be available
for issuance in the future for such corporate purposes as the Board of Directors
deems  advisable from time to time without  further action by the  stockholders,
unless such action is required by applicable law or by the rules of NASDAQ or of
any stock exchange upon which the Company's shares may then be listed.

     The  Company's  Common  Stock is  currently  quoted on the NASDAQ  National
Market.  One of the  non-quantitative  maintenance  criteria for National Market
System Securities requires stockholder approval for the establishment of certain
plans or arrangements by the Company or the issuance of designated securities by
the Company.  This criterion  provides that, for so long as the Company's Common
Stock is included in NASDAQ,  stockholder  approval will be required for (I) the
establishment  of a stock  option or  purchase  plan or other  arrangement  made
pursuant to which stock may be  acquired  by officers or  directors,  except for
warrants  or rights  issued  generally  to  security  holders of the  Company or
broadly based plans or arrangements  including other  employees,  and certain de
minimus  issuances  thereunder  or  issuances  to  induce  individuals  to enter
employment  contracts;  (ii) the issuance of  securities  which will result in a
change of control of the issuer;  (iii) the issuance of securities in connection
with the  acquisition  of the  stock or  assets of  another  company  (a) if any
director,  officer or substantial stockholder of the Company has a 5% or greater
interest (or such persons collectively have a 10% or greater interest), directly
or indirectly,  in the company or assets to be acquired or in the  consideration
to be paid in the transaction or series of related  transactions and the present
or  potential  issuance  of  Common  Stock  or  securities  convertible  into or
exercisable for Common Stock,  could result in an increase in outstanding Common
Shares or voting  power of 5% or more,  or (b) where the  present  or  potential
issuance of Common Stock,  or securities  convertible  into or  exercisable  for
Common Stock, other than a public offering for cash, if the Common Stock has, or
will have upon issuance, voting power equal to or in excess of 20% of the voting
power outstanding before the issuance of stock or securities convertible into or
exercisable  for Common  Stock,  or the  number of shares of Common  Stock to be
issued  is or will be equal to or in  excess  of 20% of the  number of shares of
Common Stock outstanding before the issuance of stock or securities;  or (iv) in
connection  with a transaction  other than a public  offering  involving (x) the
issuance of Common Stock,  or securities  convertible  into or  exercisable  for
Common Stock,  at a price less than the greater of book or market  value,  which
together with sales by officers,  directors or substantial  stockholders  of the
Company  equals  20% or more of the  Common  Stock or 20% or more of the  voting
power  outstanding  before  the  issuance,  or (y) the sale or  issuance  by the
Company of Common  Stock (or  securities  convertible  into or  

                                     - 16 -

<PAGE>

exercisable for common stock) equal to 20% or more of the Common Stock or 20% or
more of the  voting  power  outstanding  before the  issuance  for less than the
greater of book or market value of the stock.

     The  additional  authorized  shares of  Common  Stock  resulting  from this
Proposal  would  be the  same  as the  existing  shares  of  Common  Stock.  All
outstanding Common Stock would continue to have one vote per share. Stockholders
of the Company do not presently have preemptive rights nor will they as a result
of the Proposal.

     Authorized  shares of Common  Stock in excess of those  shares  outstanding
(including,  if  authorized,  the  additional  Common Stock provided for in this
Proposal) will remain available for general corporate purposes, may be privately
placed  and  can be used  to  make a  change  in  control  of the  Company  more
difficult.  Under  certain  circumstances,  the Board of Directors  could create
impediments to, or frustrate persons seeking to effect a takeover or transfer in
control  of the  Company  by  causing  such  shares  to be issued to a holder or
holders who might side with the Board of  Directors  in opposing a takeover  bid
that the  Board of  Directors  determines  is not in the best  interests  of the
Company and its stockholders, but in which unaffiliated stockholders may wish to
participate.  In this connection the Board of Directors  could issue  authorized
shares of Common Stock to a holder or holders which when voted together with the
shares held by members of the Board of Directors and the executive  officers and
their  families  could  prevent the  66-2/3%  stockholder  vote  required by the
Company's  Certificate of Incorporation to eliminate the Company's classified or
"staggered" Board of Directors.  Furthermore, the existence of such shares might
have the effect of discouraging any attempt by a person, through the acquisition
of a  substantial  number of shares of Common Stock,  to acquire  control of the
Company, since the issuance of such shares could dilute the Company's book value
per share and the Common Stock  ownership of such person.  One of the effects of
the Proposal,  if approved,  might be to render the  accomplishment  of a tender
offer more  difficult.  This may be beneficial to management in a hostile tender
offer, thus having an adverse impact on stockholders who may want to participate
in such tender offer.

     It should be noted that subject to the limitations  discussed above, all of
the types of Board action described in the preceding  paragraph can currently be
taken and that the power of the Board of Directors  to take such  actions  would
not be enhanced by the Proposal, although the Proposal would increase the number
of shares of Common Stock that are subject to such action.

     This Proposal,  the Company's  authorized but unissued Preferred Stock, the
Company's classified Board of Directors and the change in control agreements the
Company  has  with  its  executive  officers  may  generally  be  classified  as
"anti-takeover"  measures  and may each,  or in  conjunction  with  each  other,
discourage  attempted  takeovers  of the Company  which are not  approved by the
Board of Directors. The Company does not believe that any other provision of its
current  Certificate of  Incorporation or By-Laws are intended or would have the
effect of  discouraging  or making more difficult the  acquisition of control of
the Company.

     If the Proposal is approved and the Amendment becomes effective,  the first
sentence of Article 4 of the Company's Certificate of Incorporation,  which sets
forth the Company's presently  authorized capital stock, will be amended to read
in its entirety as follows:

               "4. The total  number of shares of capital  stock which
          the Corporation  shall have authority to issue is 63,000,000
          shares,  of which  60,000,000  shares shall be Common Stock,
          par value  $.01 per share,  and  3,000,000  shares  shall be
          Preferred Stock, par value $.01 per share."

     The Board of  Directors  recommends  a vote FOR approval of an amendment to
the Company's  Certificate of Incorporation to increase the authorized shares of
Common Stock from 40,000,000 to 60,000,000 (Proposal No. 2 on the proxy card).


                                     - 17 -

<PAGE>

                     PROPOSAL NO. 3 - APPROVAL OF AMENDMENT
                     TO THE NON-QUALIFIED STOCK OPTION PLAN

     In  November   1987,   the  Company's   Board  of  Directors   adopted  the
Non-Qualified  Stock  Option Plan (the "Plan") in order to enable the Company to
attract and retain qualified employees,  directors and independent  consultants.
Subject  to  stockholder  approval,  the  Board of  Directors  has  approved  an
amendment to the Plan to reflect  changes made to the rules under  Section 16(b)
of the Securities Exchange Act 1934 (the "Exchange Act").

     The following summary  description of the Plan is qualified in its entirety
by the full text of the Plan which may be obtained by the Company's stockholders
upon request to the Secretary of the Company.

     The last sale price of a share of the Company's Common Stock as reported by
the NASDAQ National Market on October 20, 1997 was $______.

Basic Terms

     Under the Plan,  directors,  officers  and  employees  of the  Company  and
independent  consultants  to the Company  have been,  and will be,  eligible for
grants of options to  purchase  shares of Common  Stock.  To date,  all  options
granted  under the Plan  have been  awarded  in the  discretion  of the Board of
Directors or a committee  thereof or pursuant to the formulas  described  below.
Currently,  the Compensation  Committee of the Board of Directors determines who
will receive  options under the Plan, the number of shares of Common Stock which
will be issuable  upon  exercise of options which are granted under the Plan and
the terms of the options  granted under the Plan to the extent the terms are not
otherwise  set  forth in the  Plan.  No  option  granted  under  the Plan may be
transferred  by the optionee,  otherwise than by will or the laws of descent and
distribution and, generally,  during the optionee's lifetime,  the option may be
exercised  only by the  optionee.  The exercise  price of the options must be at
least equal to the fair market  value of the  underlying  Common Stock as of the
date of grant.  Either the  Compensation  Committee of the Board of Directors or
the Board of Directors may, in its discretion, provide that an option may not be
exercised in whole or in part for any  specified  period or periods of time.  No
option  may be  exercised  for a minimum  of six  months  from the date of grant
except  immediately  prior to the dissolution or liquidation of the Company or a
merger or consolidation where the Company is not the surviving  corporation,  in
which case all  outstanding  options  become  immediately  exercisable.  Options
expire no later than the tenth anniversary of the date of grant.

Automatic Awards To Independent Directors

     The Plan provides that Independent Directors receive option grants pursuant
to a formula (the  "Formula").  The Formula  provides that on each of January 2,
1994,  January  2,  1997,  January  2, 2000 and  January  2,  2003,  each of the
Company's Independent Directors will automatically receive an option to purchase
60,000  shares  of  Common  Stock  (the  "Regular  Grant").  On the date of each
Independent  Director's initial election to the board, pursuant to a vote of the
Company's  stockholders or the board, such  newly-elected  Independent  Director
will automatically receive (I) an option to purchase such Independent Director's
pro rata share of the  Regular  Grant,  which  will  equal the  product of 1,666
multiplied  by the number of whole months  remaining in the relevant  three year
period until the next Regular Grant (the "Pro Rata  Grant");  and (ii) an option
to purchase 10,000 shares of Common Stock (the "Initial Election  Grant").  Each
option granted to an Independent  Director pursuant to the Formula will vest and
become exercisable as follows: those options granted pursuant to a Regular Grant
will vest and become  exercisable as to 20,000 shares one year after the date of
grant;  as to 20,000  shares  two years  after the date of grant;  and as to the
remaining  20,000  shares  three  years after the date of grant.  Those  options
granted pursuant to a Pro Rata Grant will vest and become exercisable as to that
number of shares equal to the product of 1,666 multiplied by the number of whole
months remaining in the first calendar year in which the Independent Director is
elected  initially to the board on the January 1st  following  such  Independent
Director's  initial  election to the board;  and as to any  remaining  shares in
accordance  with the schedule for options  granted  pursuant to a Regular Grant.
Those options granted pursuant to an Initial Election Grant will vest and become
exercisable as to 5,000 shares one year after the date of grant; and as to 5,000
shares two years after the date of grant.

                                     - 18 -

<PAGE>

     An option granted to an Independent  Director  pursuant to the Formula will
not  become  exercisable  as to the  relevant  shares  unless  such  Independent
Director has served continuously on the board during the year preceding the date
on which such options are scheduled to vest and become exercisable,  or from the
date such  Independent  Director  joined  the  board  until the end of such year
should  such  Independent  Director  have  joined  the board  during  such year;
provided,  however,  that if an  Independent  Director  does  not  fulfill  such
continuous  service  requirement  due to such  Independent  Director's  death or
disability  all options  granted under the Formula and held by such  Independent
Director  shall   nonetheless  vest  and  become   exercisable  as  though  such
Independent  Director  fulfilled the continuous service  requirement.  An option
granted  to  an  Independent  Director  pursuant  to  the  Formula  will  remain
exercisable for a period of ten years from the date of grant.

Administration

     The Plan is to be  administered  by  either  the  Board of  Directors  or a
committee  of at  least  two  directors  appointed  by the  board.  The  Plan is
currently administered by the Compensation Committee.

Amendments and Termination

     Currently,  no options may be granted  under the Plan beyond  November  21,
2007. The Compensation Committee or the Board of Directors may terminate, amend,
or revise the Plan with respect to any shares as to which  options have not been
granted, but may not alter any previously granted options without the optionee's
consent. Termination of the Plan will not affect previously granted options. See
"Proposed  Amendments to the Plan" for a discussion of the current  restrictions
in the ability of the Compensation  Committee or the Board of Directors to amend
the Plan.

Capital Adjustments

     The aggregate  number of shares of Common Stock available for options,  the
shares  subject  to  any  option,   and  the  price  per  share,   will  all  be
proportionately  adjusted  for any  increase or decrease in the number of issued
shares of Common Stock  resulting  from (1) a subdivision  or  consolidation  of
shares or any other capital  adjustment,  (2) the payment of a stock dividend on
the  Company's  Common Stock,  or (3) other  increase or decrease in such shares
effected without receipt of  consideration by the Company.  If the Company shall
be the  surviving  corporation  in  any  merger  or  consolidation,  any  option
outstanding under the Plan shall pertain, apply, and relate to the securities to
which a holder of the  number of shares of Common  Stock  subject  to the option
would have been entitled after the merger or consolidation.  Upon dissolution or
liquidation  of the  Company,  or upon a merger  or  consolidation  in which the
Company is not the surviving corporation, all options outstanding under the Plan
shall  terminate;  except that each optionee  shall have the right,  immediately
prior to such dissolution or liquidation,  or such merger or  consolidation,  to
exercise the options that such optionee holds, in whole or in part.

Tax Consequences

     An  optionee  will not  recognize  taxable  income for  Federal  income tax
purposes upon the receipt of an option under the Plan,  and the Company will not
be  entitled  to a deduction  upon the grant of an option.  Upon  exercise of an
option,  the optionee will recognize  ordinary income equal to the excess of the
fair  market  value on the date of exercise of the Common  Stock  received  upon
exercise  over the  exercise  price for such  Common  Stock.  However,  any such
optionee  who is subject to the  trading  restrictions  of Section  16(b) of the
Exchange Act would,  unless the optionee elected to recognize ordinary income on
the  date of  exercise,  recognize  ordinary  income  on the date  such  trading
restrictions  terminate (the "Deferred  Date").  The amount of such income would
equal the excess of the fair  market  value on the  Deferred  Date of the Common
Stock  received  upon  exercise of the option over the  exercise  price for such
Common Stock, and the holding period for long-term  capital gain treatment would
not begin until the Deferred  Date.  The Company will be entitled to a deduction
equal to the amount of ordinary  income  recognized  by any optionee at the same
time that such optionee recognized such income.

                                     - 19 -

<PAGE>

Eligible Participants

           As of  October  20,  1997,  there  were  approximately  [85]  persons
eligible to  participate in the Plan. Of these  eligible  participants,  six are
members of the Board of Directors (five of whom are Independent Directors),  two
are executive officers who are not board members and the remainder are employees
of the Company who are not executive officers.

Proposed Amendments to the Plan

     Currently,  the Plan  contains  certain  provisions  which were designed to
comply with the requirements of Rule 16b-3 prior to the amendments to Rule 16b-3
adopted by the SEC in May, 1996 ("Old Rule 16b-3").  The  amendments to the Plan
proposed  herein are  designed to reflect the current  provisions  of Rule 16b-3
("Current Rule 16b-3").

     The Plan currently  provides that the Board may not grant options under the
Plan or take certain  other  actions  with  respect to such options  unless each
member of the Board is a "disinterested  person", as such term is defined in Old
Rule 16b-3.  The Plan also  provides  that the Plan may be  administered  by the
Compensation  Committee of the Board. Under Old Rule 16b-3 all of the members of
the  Compensation  Committee  had to be  "disinterested  persons".  The  Plan as
amended would provide that the Plan is to be administered by either the Board or
the  Compensation  Committee  and that at least two members of the  Compensation
Committee  must be  "nonemployee  directors," as such term is defined in Current
Rule 16b-3. The concept of a "disinterested  person" will be eliminated from the
Plan.

     The Plan currently provides that no amendment may be made to the Plan
without stockholder  approval where such amendment would materially (I) increase
the total number of shares  which may be issued  under the Plan;  (ii) alter the
class of persons  eligible to  participate  in the Plan;  or (iii)  increase the
benefits under the Plan.  These provisions were consistent with the requirements
of Old Rule  16b-3.  The Plan as amended  would  provide  that the Plan could be
amended by the Board without  stockholder  approval unless stockholder  approval
was required by applicable  law or the rules of NASDAQ or any stock  exchange on
which the Company's shares are then traded.

     For information concerning options granted under the Plan to directors, the
Chief  Executive  Officer  and the  Named  Executive  Officers  see  "Directors'
Compensation  - Directors'  Stock  Options,"  "Summary  Compensation  Table" and
"Option Grants In Last Fiscal Year."

     The Board of Directors  recommends a vote FOR approval of the  amendment to
the Non-Qualified Stock Option Plan (Proposal No. 3 on the Proxy Card).

                    PROPOSAL NO. 4 - RATIFICATION OF AUDITORS

     On October 7, 1997, the Audit Committee of the Board of Directors, pursuant
to authority  granted by the Board of Directors,  approved the retention of KPMG
Peat Marwick LLP ("KPMG"),  independent  certified public accountants,  to audit
the consolidated  financial statements of the Company for the fiscal year ending
June 30, 1998. KPMG served as auditor of the consolidated  financial  statements
of the Company for the fiscal years ended June 30, 1997, June 30, 1996, and June
30,  1995.  Representatives  of KPMG are  expected  to be  present at the Annual
Meeting and will have the opportunity to make a statement  should they desire to
do so. Such  representatives  are also  expected to be  available  to respond to
questions.

     The Board of Directors  recommends a vote FOR ratification of the selection
of KPMG Peat Marwick LLP, independent certified public accountants, to audit the
consolidated financial statements of the Company for the fiscal year ending June
30, 1998 (Proposal No. 4 on the Proxy Card).

                                     - 20 -

<PAGE>

                          ANNUAL REPORT TO STOCKHOLDERS

     The Company's  Annual Report to Stockholders for the fiscal year ended June
30, 1997 accompanies this Proxy Statement.

                             STOCKHOLDERS' PROPOSALS

     It is  anticipated  that  the  Company's  fiscal  1998  Annual  Meeting  of
Stockholders will be held on or about December 1, 1998.  Stockholders who intend
to present  proposals at such Annual Meeting of  Stockholders  must submit their
proposals to the Secretary of the Company on or before August 3, 1998.

                                     GENERAL

     The cost of soliciting proxies will be borne by the Company. In addition to
mailing,  proxies  may  be  solicited  by  personal  interview,   telephone  and
telegraph,  and by  directors,  officers  and regular  employees of the Company,
without special compensation  therefor.  The Company expects to reimburse banks,
brokers  and  other  persons  for their  reasonable  out-of-pocket  expenses  in
handling proxy materials for beneficial owners of the Company's Common Stock.

     Unless  contrary  instructions  are indicated on the proxy card, all Common
Shares  or Series A  Preferred  Shares  represented  by valid  proxies  received
pursuant to this  solicitation  (and not revoked  before they are voted) will be
voted FOR the  election  of the  nominees  for  directors  named  herein and FOR
Proposal No. 2, Proposal No. 3 and Proposal No. 4.

     Any proxy given pursuant to this  solicitation may be revoked by the person
giving it at any time before it is voted.  Proxies may be revoked by filing with
the Secretary of the Company  written notice of revocation  bearing a later date
than the proxy, by duly executing a subsequent proxy relating to the same Common
Shares or Series A  Preferred  Shares or by  attending  the Annual  Meeting  and
voting in person.  Attendance  at the Annual  Meeting  will not in and of itself
constitute  revocation of a proxy unless the stockholder votes his or her Common
Shares or Series A Preferred Shares in person at the Annual Meeting.  Any notice
revoking a proxy should be sent to the Secretary of the Company, John A. Caruso,
at Enzon, Inc., 20 Kingsbridge Road, Piscataway, New Jersey 08854.

     The Board of Directors knows of no business other than that set forth above
to be  transacted at the meeting,  but if other matters  requiring a vote of the
stockholders  arise,  the  persons  designated  as proxies  will vote the Common
Shares or Series A Preferred  Shares  represented  by the proxies in  accordance
with their  judgment on such  matters.  If a  stockholder  specifies a different
choice on the proxy,  his or her Common Shares or Series A Preferred Shares will
be voted in accordance with the specification so made.

     Please complete,  sign and date the enclosed proxy card, which is revocable
as described herein, and mail it promptly in the enclosed postage-paid envelope.

     IT IS IMPORTANT THAT PROXIES BE RETURNED PROMPTLY.  WE URGE YOU TO FILL IN,
SIGN AND RETURN THE  ACCOMPANYING  PROXY CARD, NO MATTER HOW LARGE OR SMALL YOUR
HOLDINGS MAY BE.


                                             By order of the Board of Directors,



                                             John A. Caruso, Secretary

Piscataway, New Jersey
October __, 1997


                                     - 21 -

<PAGE>

Proxy Card

                                   ENZON, INC.

                 Annual Meeting of Stockholders December 2, 1997
           This Proxy Is Solicited on Behalf of the Board of Directors

     Peter G. Tombros and John A. Caruso and each of them, as proxies, with full
power of substitution in each of them, are hereby authorized to represent and to
vote, as  designated  below and on the reverse side, on all proposals and in the
discretion  of the proxies on such other matters as may properly come before the
annual meeting of stockholders of Enzon,  Inc. to be held on December 2, 1997 or
any  adjournment(s),  postponement(s),  or other  delay(s)  thereof (the "Annual
Meeting"),  all  shares of stock of Enzon,  Inc.  to which  the  undersigned  is
entitled to vote at the Annual Meeting.

     UNLESS OTHERWISE DIRECTED, THIS PROXY WILL BE VOTED "FOR" PROPOSALS 1, 2, 3
and 4 AND WILL BE VOTED IN THE  DISCRETION  OF THE PROXIES ON SUCH OTHER MATTERS
AS MAY  PROPERLY  COME  BEFORE  THE  ANNUAL  MEETING.  THE  BOARD  OF  DIRECTORS
RECOMMENDS THAT STOCKHOLDERS VOTE "FOR" PROPOSALS 1, 2, 3 and 4.

(1)  Election of the  following  nominees as Class II Directors to serve in such
     capacities until their successors are duly elected and qualified:

      RANDY H. THURMAN                                    A.M. "DON" MACKINNON

(Authority  to vote for any  nominee(s)  may be withheld  by lining  through the
name(s) of any such nominee(s).)

              /  / FOR                 /  / WITHHOLD AUTHORITY FOR ALL

(2)  Proposal to amend the Company  Certification  of  Incorporation to increase
     the number of authorized  shares from forty million  (40,000,000)  to sixty
     million (60,000,000).

              /  / FOR                 /  / AGAINST             /  / ABSTAIN

(3)  Proposal to approve an amendment  to the Enzon,  Inc.  Non-Qualified  Stock
     Option Plan.

              /  / FOR                 /  / AGAINST             /  / ABSTAIN



                                     - 22 -

<PAGE>


(4)  Ratification  of the  selection  of KPMG  Peat  Marwick  LLP to  audit  the
     consolidated financial statements of the Company for the fiscal year ending
     June 30, 1998.

              /  / FOR                 /  / AGAINST             /  / ABSTAIN

/ /  Please check this box if you expect to attend the Annual Meeting in person.

                           (Please  sign  exactly  as name  appears to the left,
                           date and return. If shares are held by joint tenants,
                           both should sign. When signing as attorney, executor,
                           administrator, trustees or guardian, please give full
                           title as such. If a corporation,  please sign in full
                           corporate  name  by  president  or  other  authorized
                           officer. If a partnership, please sign in partnership
                           name by authorized person.)

                           Date:................................................

                           .....................................................
                                               Sign Here
                           .....................................................
                                       Signature (if held jointly)
                           .....................................................
                           Capacity (Title or Authority, i.e. Executor, Trustee)

                  PLEASE SIGN, DATE AND MAIL YOUR PROXY TODAY.


                                     - 23 -


                                   ENZON, INC.

                  NON-QUALIFIED STOCK OPTION PLAN, AS AMENDED*/


A.   Purpose and Scope

          The purpose of this Plan is to encourage  stock ownership by employees
     and directors of, and independent  consultants to, Enzon,  Inc., a Delaware
     corporation, and its subsidiaries (herein called the "Company"), to provide
     an incentive to such persons to develop, expand and improve the profits and
     prosperity  of the  Company,  and to assist the Company in  attracting  key
     personnel and  consultants  through the grant of Options to purchase shares
     of the Company's Common Stock.

B.   Definitions

     Unless otherwise required by the context:

     1. "Board" shall mean the Board of Directors of the Company.

     2. "Committee" shall mean the Compensation Committee, which is appointed by
the Board, and which shall be composed of at least two Non-Employee Directors.

- --------
*/ The Plan was amended by vote of the Board of Directors on each of January 10,
1990,  February 6, 1990,  April 25,  1990,  February  23,  1991,  May 30,  1991,
November 21,  1991,  approved by vote of the  Stockholders  on January 22, 1992,
amended  by vote of the  Board of  Directors  on  December  28,  1992  with such
amendment  ratified by vote of the Stockholders on February 8, 1993,  amended by
vote of the Board of  Directors  on  September  13,  1993  with  such  amendment
ratified by vote of the  Stockholders on December 7, 1993,  amended by the Board
of  Directors  on July 17,  1995 with  such  amendment  ratified  by vote of the
Stockholders on December 5, 1995.


                                        1

<PAGE>

     3. "Company" shall mean Enzon, Inc. and its subsidiaries.

     4. "Code" shall mean the Internal Revenue Code of 1986, as amended.

     5.  "Independent  Director" shall mean a director who is not an employee of
the Company.

     6.  "Non-Employee  Director" shall have the meaning  ascribed in Rule 16b-3
("Rule  16b-3")  promulgated  under  the  Securities  Exchange  Act of 1934,  as
amended.

     7. "Option" shall mean a right to purchase Stock,  granted  pursuant to the
Plan.

     8. "Option  Price" shall mean the purchase price for Stock under an Option,
as determined in Section F below.

     9.  "Participant"  shall mean an employee of the Company, a director of the
Company, a consultant to the Company, or any person to whom an Option is granted
under the Plan.

     10. "Plan" shall mean this Enzon, Inc.  Non-Qualified Stock Option Plan, as
amended.

     11. "Stock" shall mean the Common Stock of the Company, par value $.01.

C.   Stock to be Optioned

     Subject to the  provisions of Section L of the Plan,  the maximum number of
shares of Stock that may be optioned or sold under the Plan is 6,200,000 shares.
Such

                                       2

<PAGE>

shares may be treasury,  or authorized but unissued  shares of, the Stock of the
Company.

D.   Administration

           The Plan shall be  administered  by the  Committee or the Board.  Two
members  of the  Committee  shall  constitute  a quorum for the  transaction  of
business.  Except as provided in Section Q hereof,  the  Committee  or the Board
shall  make all  decisions  with  respect  to the  operation  of the  Plan,  the
participation  in the Plan by employees or directors of, or  consultants  to the
Company,   and  with   respect  to  the  extent  of  that   participation.   The
interpretation and construction of any provision of the Plan by the Board or the
Committee  shall be final.  No member  of the  Board or the  Committee  shall be
liable for any action or determination made by him in good faith.

E.   Eligibility

     The Board or the Committee may grant Options to any employee  (including an
employee who is a director or an officer),  or any person who is not an employee
who is a director or an officer, or any person who is not an employee and serves
as a director of the Company,  or any consultant to the Company.  Options may be
awarded by the Board or the  Committee  at any time and from time to time to new
Participants,  or to then current Participants, or to a greater or lesser number
of Participants, and may include or exclude previous Participants, as the Board,
or the

                                       3

<PAGE>

Committee  shall  determine.  Options granted at different times need not
contain similar provisions.

F.   Option Price

     The  purchase  price  for Stock  under  each  Option  shall be at least 100
percent of the fair market value of the Stock at the time the Option is granted,
but in no event less than the par value of the Stock.  The fair market  value of
the Company's Stock shall be determined as follows:

     a. If the  Common  Stock  continues  to be traded  on the  over-the-counter
     market as a  National  Market  System  Security  or is traded on a national
     securities  exchange,  the  fair  market  value of the  Stock  shall be the
     closing  sale price on such day that the Option is granted as  reported  by
     the National  Association of Securities Dealers Automated  Quotation System
     ("NASDAQ")  or the  national  securities  exchange  on which  the  Stock is
     trading, as the case may be; or

     b. If the  Common  Stock  ceases to be traded as a National  Market  System
     Security but  continues to be traded on the  over-the-counter  market,  the
     fair  market  value of the Stock shall be the closing bid price on such day
     that the Option is granted as reported by NASDAQ; or

     c. If the Common Stock ceases to be traded on the  over-the-counter  market
     and is not traded on a national  securities  exchange,  the current  market
     value shall be determined by a reputable  investment  banking firm

                                       4

<PAGE>

     retained by the Board.

G.   Terms and Conditions of Options

     Except as provided  in Section Q hereof,  Options  granted  pursuant to the
Plan shall be authorized by the Board or the Committee and shall be evidenced by
agreements  ("Option  Agreements")  in such form as the Board or the  Committee,
shall  from time to time  approve.  Such  Agreements  shall  comply  with and be
subject to the following terms and conditions:

     1.  Employment  Agreement  -  The  Board  or  the  Committee  may,  in  its
discretion, include in any Option granted under the Plan to a Participant who is
an  employee  of the Company a  condition  that the  Participant  shall agree to
remain in the employ of, and/or to render  services to, the Company for a period
of time  (specified  in the Option  Agreement)  following the date the Option is
granted.  No  such  agreement  shall  impose  upon  the  Company,  however,  any
obligation to employ the Participant for any period of time, except as otherwise
agreed to by the Company.

     2. Time and Method of Payment - The Option  Price  shall be paid in full in
cash,  by  certified  check or  official  bank  check,  at the time an Option is
exercised  under the Plan. If the Board or the Committee in its sole  discretion
so authorizes, payment may be made by exchange of shares of the Company's Common
Stock  previously  owned by the  optionee,  having the same fair market value as
determined  in the manner set forth in Section F. Without  payment by one of the

                                       5

<PAGE>

methods  described above, an exercise of any Option granted under the Plan shall
be invalid and of no effect.  Promptly  after the  exercise of an Option and the
payment of the full  Option  Price,  the  Participant  shall be  entitled to the
issuance of a stock  certificate  evidencing  his or her  ownership of the Stock
issuable  under such Option.  A  Participant  shall have none of the rights of a
stockholder  until the Option is duly exercised,  and no adjustment will be made
for  dividends  or other  rights for which the record  date is prior to the date
such Option is duly exercised.

     3. Number of Shares - Each Option shall state the total number of shares of
Stock to which it pertains.

     4.  Option  Period  and  Limitations  on  Exercise  of Options - Except for
Options  granted  pursuant  to Section Q hereof,  the Board or  Committee  shall
determine the period of time during which an Option may be exercised,  provided,
however,  that no Option may be exercised after the expiration of ten years from
the date it is granted. Except for Options granted pursuant to Section Q hereof,
the Board or the Committee  may, in its  discretion,  provide that an Option may
not be exercised in whole or in part for any period or periods of time specified
in the Option Agreement; provided, however, that no Option granted subsequent to
November 21, 1991 may be  exercisable  for a minimum of six months from the date
of grant.  Options  granted  pursuant to Section Q hereof will be exercisable in
accordance with Section R hereof. Except as provided in the Option Agreement and
in this Section G(4), an Option may be exercised in whole or in part at any time
during its term. No Option may be exercised for a fractional share of Stock.

                                       6

<PAGE>

H.   Termination of Employment

     Except as provided in Section I below,  if an employee who is a Participant
ceases to be  employed  by the  Company,  his or her  Options  unless  otherwise
exercised,  shall  terminate  as of the close of business on the one hundred and
ninetieth (190th) day following the termination of the Participant's  employment
with the Company;  provided,  however, that such Participant may exercise his or
her Options  during such one hundred and ninety (190) day period  following such
termination of employment  only to the extent that he or she would  otherwise be
entitled  to  exercise  such  Options  during such  period;  provided,  further,
however,  that in no event  shall any Option be  exercisable  more than ten (10)
years from the date it was granted.  Notwithstanding the foregoing, the Board or
the  Committee  may cancel an Option during the one hundred and ninety (190) day
period referred to in this section,  if the Participant engages in employment or
activities contrary,  in the opinion of the Board or the Committee,  to the best
interests of the Company.  The Board or the  Committee  shall  determine in each
case whether a termination of employment  shall be considered a retirement  with
the consent of the Company,  and,  subject to applicable law, whether a leave of
absence shall constitute a termination of employment.  Any such determination of
the  Board or the  Committee  shall  be  final  and  conclusive.  The  foregoing
provisions  may be modified or waived by the Board or the  Committee and do not,
in any case,  apply to any  Participant  who is not an employee of the  Company.
Except  for  Options  granted

                                       7

<PAGE>

pursuant to Section Q hereof, the Board or the Committee will determine what, if
any,  provisions  for earlier  termination of the Option will be included in the
Option Agreement  issued to any person who is not an employee.  The Board or the
Committee  will  determine  who shall be deemed to be an employee of the Company
for the purposes of this Section H and Section I below at the time the Option is
granted.

I.   Rights in Event of Death

     If an employee who is a Participant dies while employed by the Company,  or
within three months  after having  retired with the consent of the Company,  and
without   having  fully   exercised  his  or  her  Options,   the  executors  or
administrators,  or legatees or heirs, of his or her estate shall have the right
to  exercise  such  Options to the extent  that such  deceased  Participant  was
entitled  to  exercise  the  Options on the date of his or her death;  provided,
however,  that in no event shall the Options be exercisable  more than ten years
from the date they were  granted.  The foregoing  provisions  may be modified or
waived  by the Board or the  Committee  and do not,  in any  case,  apply to any
Participant  who is not an employee of the Company.  Except for Options  granted
pursuant to Section Q hereof, the Board or the Committee will

                                       8

<PAGE>

determine what, if any,  provisions  concerning  exercise of the Option upon the
death of the  holder  will be  included  in the Option  Agreement  issued to any
person who is not an employee.

J.   No Obligations to Exercise Option

     The granting of an Option shall impose no obligation  upon the  Participant
to exercise such Option.

K.   Nonassignability

     Options  shall  not be  transferable  other  than by will or by the laws of
descent and distribution, and during a Participant's lifetime an Option shall be
exercisable only by such Participant.

L.   Effect of Chance in Stock Subject to the Plan

     The  aggregate  number of shares of Stock  available  for Options under the
Plan,  the shares subject to any Option,  and the price per share,  shall all be
proportionately  adjusted  for any  increase or decrease in the number of issued
shares of Stock  subsequent to the effective date of the Plan resulting from (1)
a subdivision or  consolidation of shares or any other capital  adjustment,  (2)
the payment of a stock  dividend on the  Company's  Common  Stock,  or (3) other
increase or decrease in such shares effected without receipt of consideration by
the Company. If the Company shall be the surviving  corporation in any merger or
consolidation,  any

                                       9

<PAGE>

Option shall pertain,  apply,  and relate to the securities to which a holder of
the number of shares of Stock  subject to the  Option  would have been  entitled
after the  merger or  consolidation.  Upon  dissolution  or  liquidation  of the
Company,  or upon a merger  or  consolidation  in which the  Company  is not the
surviving  corporation,  all Options outstanding under the Plan shall terminate;
provided,  however,  that each Participant (and each other person entitled under
Section I to exercise an Option) shall have the right, immediately prior to such
dissolution or liquidation,  or such merger or  consolidation,  to exercise such
Participant's  Options  in  whole  or in part,  notwithstanding  any  provisions
contained in the Plan or the Option Agreement to the contrary.

M.   Amendment and Termination

     Subject  to the  last  paragraph  of  this  Section  M,  the  Board  or the
Committee, by resolution, may terminate,  amend, or revise the Plan with respect
to any shares as to which Options have not been  granted.  Neither the Board nor
the  Committee  may,  without the  consent of the holder of an Option,  alter or
impair  any  Option  previously  granted  under the Plan,  except as  authorized
herein.  Unless sooner terminated,  the Plan shall remain in effect for a period
of twenty  years  from the date of the  Plan's  initial  adoption  by the Board.
Termination of the Plan shall not affect any Option previously granted.

     No such amendment will require  stockholder  approval,  unless  stockholder
approval is  required by either the rules of Nasdaq or any other stock  exchange
upon

                                       10

<PAGE>

which the Company's securities shall be listed or any applicable law.

N.   Agreement and Representation of Participants

     As a condition to the exercise of any portion of an Option, the Company may
require the person  exercising  such Option to represent and warrant at the time
of such  exercise  that  any  shares  of  Stock  acquired  at  exercise  are not
registered  under  the  Securities  Act of 1933  (the  "Act"),  are  "restricted
securities"  as that  term is  defined  in Rule 144  under the Act and are being
acquired  only for  investment  and  without any  present  intention  to sell or
distribute  such shares,  if, in the opinion of counsel for the Company,  such a
representation   is  required  under  the  Act  or  any  other  applicable  law,
regulation, or rule of any governmental agency.

O.   Reservation of Shares of Stock

     The Company,  during the term of this Plan,  will at all times  reserve and
keep  available,  and will  seek or  obtain  from  any  regulatory  body  having
jurisdiction any requisite  authority necessary to issue and to sell, the number
of shares of Stock that shall be sufficient to satisfy the  requirements of this
Plan.  The  inability of the Company to obtain from any  regulatory  body having
jurisdiction  the authority  deemed necessary by counsel for the Company for the
lawful issuance and sale of its Stock hereunder shall relieve the Company of any
liability  in  respect  of the  failure  to issue or sell  Stock as to which the
requisite authority has not been obtained.



                                       11
<PAGE>

P.   Effective Date of Plan

     The Plan shall be effective  as of the date it is initially  adopted by the
Board,  provided  that  Section Q shall not become  effective  until it has been
ratified by the stockholders.

Q.   Grant of Options to Independent Directors

     (a) On each of  January  2,  1994,  January  2,  1997,  January 2, 2000 and
January 2, 2003, each Independent Director shall automatically receive an Option
to purchase 60,000 shares of Stock (the "Regular  Independent  Director Grant").
Notwithstanding  the foregoing,  should the date on which a Regular  Independent
Director  Grant is scheduled to be awarded  pursuant to the  preceding  sentence
fall on a Saturday,  Sunday or holiday,  the Regular Independent  Director Grant
shall be awarded on the first business day immediately  following such scheduled
date.

     (b) On the date of each  Independent  Director's  initial  election  to the
Board,  pursuant  to a vote of the  Company's  stockholders  or the Board,  such
newly-elected  Independent Director shall automatically receive (i) an Option to
purchase a pro rata share of the shares of Stock  underlying  an Option  granted
pursuant to a Regular  Independent  Director Grant,  which shall be equal to the
product of 1,666  multiplied  by the  number of whole  months  remaining  in the
relevant  three year period until the next Regular  Independent  Director  Grant
(the "Pro Rata  Independent  Director  Grant");  and (ii) an Option to  purchase
10,000  shares of Common  Stock  (the  "Initial  Independent  Director  Election
Grant").



                                       12

<PAGE>

R.   Exercise Period of Options Granted to Independent Directors

     Subject  to the last  paragraph  of this  Section  R, each  Option  granted
pursuant to the Plan shall vest and become exercisable as follows:

     (1) Those Options granted pursuant to a Regular Independent  Director Grant
shall vest and become  exercisable as to 20,000 shares on the first  anniversary
of the date of grant; as to 20,000 shares on the second  anniversary of the date
of grant; and as to the remaining 20,000 shares on the third  anniversary of the
date of grant.

     (2) Those Options granted pursuant to a Pro Rata Independent Director Grant
shall  vest and  become  exercisable  as to that  number of shares  equal to the
product of 1,666 multiplied by the number of whole months remaining in the first
calendar  year in which the  Independent  Director is elected  initially  to the
Board on the January 1st following such Independent  Director's initial election
to the Board; and as to any remaining shares in accordance with the schedule for
Options granted pursuant to a Regular Independent  Director Grant as provided in
Section R(1) hereof.

     (3) Those  Options  granted  pursuant  to an Initial  Independent  Director
Election  Grant  shall  become  exercisable  as to  5,000  shares  on the  first
anniversary  of  the  date  of  grant;  and as to  5,000  shares  on the  second
anniversary of the date of grant.

     Notwithstanding  the  foregoing,  an  Option  shall  not  vest  and  become


                                       13

<PAGE>

exercisable  as to the  relevant  shares  unless such  Independent  Director has
served  continuously  on the Board during the year  preceding  the date on which
such Options are scheduled to vest and become exercisable, or from the date such
Independent  Director  joined the board should such  Independent  Director  have
joined the board  during such  preceding  year;  provided,  however,  that if an
Independent Director does not fulfill such continuous service requirement due to
such  Independent  Director's  death or disability  all Options  granted to such
Independent  Director  pursuant to Section Q hereof shall  nonetheless  vest and
become exercisable as provided in this Section R. For purposes of this Section R
"disability"  shall  mean a  physical  or mental  condition  which  prevents  an
Independent  Director from  performing his duties as an Independent  Director of
the  Company  for a  continuous  six month  period or for a total of six  months
during  any 18  month  period.  Any  Option  which  does  not  vest  and  become
exercisable  in  accordance  with this  Section R shall  terminate  and be of no
further force or effect.


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