ECOSCIENCE CORP/DE
8-K, 1998-12-16
AGRICULTURAL CHEMICALS
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                       SECURITIES AND EXCHANGE COMMISSION
                             Washington, D.C. 20549


                                    FORM 8-K


                             Current Report Pursuant
                         to Section 13 or 15 (d) of the
                       Securities and Exchange Act of 1934


                                December 7, 1998
                                 Date of Report
                        (Date of Earliest Event Reported)


                             EcoScience Corporation
             (Exact name of registrant as specified in its charter)


                                    Delaware
                 (State or Other Jurisdiction of Incorporation)


         0-19746                                            04-2912632
(Commission File Number)                           (I.R.S. Employer I.D. Number)


                    10 Alvin Court, East Brunswick, NJ 08816
          (Address of Principal Executive Offices, Including Zip Code)

                                  732-432-8200
                         (Registrant's Telephone Number,
                              Including Area Code)


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



<PAGE>

Item 5.  Other Events

     The Registrant  incorporates,  herein by reference,  the press release made
available  to the public on December  11,  1998,  a copy of which is included in
this report as Exhibit 20.3. The press release  refers to the Company  signing a
Definitive  Agreement whereby  EcoScience  Corporation will purchase 100% of the
Cogentrix  Energy  Inc.  partnership  in four  greenhouses  operations  in which
EcoScience and Cogentrix are partners  (Village Farms of Texas LP, Village Farms
of Marfa LP,  Village Farms of Buffalo LP and Village Farms of Pocono LP) and to
terminate the right of first option  agreement for future  participation  in new
developments.



                                   SIGNATURES

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

                                                     ECOSCIENCE CORPORATION


Date: December 16, 1998                     By: /s/ David M. Suchniak
                                              ----------------------------------
                                              Senior Vice President and
                                              Chief Financial Officer





                                     - 2 -

<PAGE>

                             ECOSCIENCE CORPORATION

                                  EXHIBIT INDEX


Exhibit
Number            Description of Exhibit
- ------            ----------------------

10.112            Stock Purchase Agreement.

20.3              Press Release dated December 11, 1998




                                     - 3 -




                            STOCK PURCHASE AGREEMENT

     THIS STOCK PURCHASE  AGREEMENT dated as of December 7, 1998, is made by and
among COGENTRIX  DELAWARE  HOLDINGS,  INC., a Delaware  corporation,  having its
principal place of business at 1105 North Market Street, Suite 1108, Wilmington,
DE 19801 ("Seller"), and ECOSCIENCE CORPORATION, a Delaware corporation,  having
its principal place of business at 10 Alvin Court,  East  Brunswick,  New Jersey
08816 (the "Purchaser").

     WHEREAS, Seller owns all of the outstanding shares (the "Shares") of common
stock, of COGENTRIX OF BUFFALO,  INC. ("CBI"),  COGENTRIX OF FORT DAVIS I, INC.,
("CFDI") COGENTRIX  GREENHOUSE  INVESTMENTS,  INC, ("CGI"),  COGENTRIX OF MARFA,
INC., ("CMI") and COGENTRIX OF POCONO, INC., ("CPI"), each Delaware corporations
(each of CBI,  CFDI,  CGI, CMI and CDI are referred to herein as a "Company" and
collectively as the  "Companies"),  and Seller wishes to sell to Purchaser,  and
Purchaser wishes to purchase from Seller,  the Shares upon the terms and subject
to the conditions set forth herein;

     NOW,  THEREFORE,  in consideration of the  representations,  warranties and
agreements herein contained, the parties agree as follows:

     1. Sale of the  Shares.  Upon the terms and subject to the  conditions  set
forth in this Agreement,  at the Closing, Seller will sell, transfer and deliver
to  Purchaser,  and  Purchaser  will  purchase  from Seller,  the Shares for the
Purchase Price (as defined in Section 3(a)).

     2.  Conditions to the Closing.  The obligation of Seller to sell the Shares
to Purchaser,  and Purchaser's obligation to purchase the Shares, are subject to
the satisfaction at the time of the Closing of the following  conditions (any or
all of which may be waived by either party in its sole discretion):

          (a) Each of the representations of the other party hereto made in this
     Agreement shall be true and correct as of the date of this Agreement and as
     of the time of the  Closing  as  though  made as of such time and the other
     party  shall  have  performed  each and every  covenant  contained  in this
     Agreement  required  to be  performed  by  such  party  by the  time of the
     Closing.

          (b) The  parties  shall  have  executed  and/or  delivered  the  items
     required to be delivered under Section 3 hereof.

          (c)  The  applicable   waiting  period  under  the   Hart-Scott-Rodino
     Antitrust  Improvements  Act of 1976, as amended (the "HSR Act") shall have
     expired or been earlier terminated without action by the Justice Department
     or the Federal Trade Commission to prevent consummation of the transactions
     contemplated by this Agreement.

          (d) Purchaser  shall have received all the consents listed on Schedule
     2(d) (the "Required Consents").





                                     - 4 -

<PAGE>

          (e)  Cogentrix  Energy,  Inc.  ("Cogentrix")  shall have  assigned and
     contributed to CGI that certain  promissory  note of APD in the face amount
     of  $643,197.16,  Village Farms of Texas,  L.P.  shall have  cancelled that
     certain promissory note (the "CGX Note") of Cogentrix in the face amount of
     $1,838,420.47  and CGI shall have  issued to Village  Farms of Texas L.P. a
     promissory note in the amount of  $1,838,420.47  (the "CGI Note") dated the
     date of, and bearing interest at the same rate as, the CGX Note.

     3. Closing.

          (a) The closing (the "Closing") of the purchase and sale of the Shares
     shall be held on December  31, 1998 at the office of  Fennebresque,  Clark,
     Swindell & Hay,  100 North Tryon,  Suite 2900,  Charlotte,  North  Carolina
     28202,  or at such other time and place as Purchaser  and Seller may agree.
     At the Closing,  Purchaser  will  deliver to Seller an executed  promissory
     note (the "Note") payable to Seller in the principal amount equal to Twenty
     Million,   Six  Hundred   Thousand   and  No/100   Dollars   ($20,600,000),
     substantially  in the form  attached  hereto as Exhibit A, and Seller shall
     deliver to Purchaser certificates representing the Shares, duly endorsed in
     blank or accompanied  by stock powers duly executed by Seller in blank,  in
     proper form for transfer. At the Closing, Purchaser shall deliver to Seller
     a certificate, or certificates, representing One Million (1,000,000) shares
     (the "Stock  Consideration") of common stock, $.01 par value, of Purchaser,
     registered  in the name of Seller,  or to an  affiliate of Seller as Seller
     may  direct.  The Note and the Stock  Consideration  shall  constitute  the
     "Purchase Price".

          (b) At the Closing, Seller shall deliver to Purchaser the resignations
     by all officers and directors of the  Companies  and the  corporate  minute
     books, stock records,  bylaws and articles or certificates of incorporation
     of each of the Companies.

          (c) At the Closing,  Purchaser  and Seller shall deliver to each other
     executed counterparts of (i) a Stock Pledge Agreement (the "Stock Pledge"),
     substantially  in the form  attached  hereto  as  Exhibit  B,  whereby  the
     Purchaser  will pledge the Shares and all of the shares of common  stock of
     Agro Power Development, Inc. (the "APD Shares") as collateral for the Note,
     (ii) the Registration Rights Agreement (the "Rights Agreement") in the Form
     of Exhibit C hereto and (iii) a termination agreement in mutually agreeable
     form  terminating  the Agreement  Regarding  Future  Projects,  dated as of
     February 6, 1996 between Cogentrix Energy, Inc. and Agro Power Development,
     Inc.

          (d)  At  the   Closing,   Purchaser   shall  also  deliver  to  Seller
     certificates  representing the Shares and the APD Shares as required by the
     Stock Pledge.

     4.  Representations and Warranties of Seller.  Seller hereby represents and
warrants to Purchaser as follows:

          (a)  Organization  and  Authority  of  the  Seller.  The  Seller  is a
     corporation duly organized, validly existing and in good standing under the
     laws of the State of Delaware  and has all  necessary  corporate  power and
     authority  to enter  into  this  Agreement,  to carry  out its  obligations
     hereunder and thereunder and to consummate  the  transactions  contemplated
     hereby and thereby. The execution and delivery of this Agreement, the Stock
     Pledge and



                                     - 5 -

<PAGE>

     the Rights  Agreement by the Seller,  the  performance by the Seller of its
     obligations  hereunder and thereunder and the consummation by the Seller of
     the transactions  contemplated hereby and thereby have been duly authorized
     by all  requisite  action on the part of the Seller.  This  Agreement,  the
     Stock Pledge and the Rights Agreement have been duly executed and delivered
     by the Seller, and (assuming due  authorization,  execution and delivery by
     the  Purchaser)  each of this  Agreement,  the Stock  Pledge and the Rights
     Agreement  constitutes  a  valid  and  binding  obligation  of  the  Seller
     enforceable against the Seller in accordance with its terms.

          (b)  No   Conflict.   Assuming   compliance   with  the   notification
     requirements  of the HSR  Act,  except  as may  result  from  any  facts or
     circumstances relating solely to the Purchaser, the execution, delivery and
     performance of this Agreement and the Stock Pledge by the Seller do not and
     will  not  (a)  violate,  conflict  with or  result  in the  breach  of any
     provision of the Certificate of  Incorporation  or By-laws of the Seller or
     any Company,  (b) conflict  with or violate any law or  governmental  order
     applicable to the Seller or any Company or (c) conflict  with, or result in
     any  breach of,  constitute  a default  (or event  which with the giving of
     notice or lapse or time, or both,  would become a default)  under,  require
     any consent under, or give to others any rights of termination,  amendment,
     acceleration,  suspension, revocation, or cancellation of, or result in the
     creation  of any  encumbrance  on any of the  assets or  properties  of the
     Seller or any Company pursuant to, any note,  bond,  mortgage or indenture,
     contract,  agreement,  lease, sublease, license, permit, franchise or other
     instrument or  arrangement to which the Seller or any Company is a party or
     by which any of such assets or properties are bound or affected which would
     have a material  adverse  effect on the ability of the Seller to consummate
     the  transactions  contemplated  by this Agreement or would have a material
     adverse affect on the value of the Shares.

          (c) Governmental Consents and Approvals.  The execution,  delivery and
     performance of this Agreement, the Stock Pledge and the Rights Agreement by
     the Seller do not and will not require any consent, approval, authorization
     or other  order of,  action  by,  filing  with,  or  notification  to,  any
     governmental  authority,  except (a) as described in a writing given to the
     Purchaser  by the  Seller  on the  date  of  this  Agreement  and  (b)  the
     notification requirements of the HSR Act.

          (d) Title.  Seller has legal and  beneficial  ownership of the Shares,
     and good and marketable  title to the Shares,  free and clear of all liens,
     claims, charges and encumbrances.

          (e) Economic Risk. Seller acknowledges and understands that the shares
     constituting  the Stock  Consideration  to be  received by it have not been
     registered under the Securities Act of 1933 (the "Securities  Act"), or any
     state securities or blue sky laws and,  therefore,  cannot be resold unless
     such  shares  are  registered  under  the  Securities  Act  and  under  any
     applicable  state  securities or blue sky laws or unless an exemption  from
     registration  thereunder  is  available.  Seller  is  acquiring  the  Stock
     Consideration  for its own account for investment,  and not with a view to,
     or for resale in connection  with,  the  distribution  thereof,  and has no
     present   intention  of   distributing   or  reselling  any  of  the  Stock
     Consideration. In making the foregoing representation, Seller is aware that
     it must bear, and it is able to bear, the economic risk of such  investment
     for an indefinite period of time.



                                     - 6 -

<PAGE>

          (f)  Capitalization of the Companies.  The Shares represent all of the
     capital stock of the Companies which are issued and outstanding. All of the
     Shares have been duly  authorized  and are validly  issued,  fully paid and
     non-assessable.  There are no outstanding options, warrants, rights, calls,
     commitments,  conversion rights, plans or other agreements of any character
     providing  for the  purchase  or  issuance  of any  capital  stock or other
     securities of the Companies.

          (g)  No  Other  Business  or  Assets.  Except  for  the  ownership  of
     partnership  interests  (the  "Partnership  Interests") in Village Farms of
     Buffalo,  L.P.,  Village Farms of Texas, L.P., Village Farms of Marfa, L.P.
     and Pocono Village Farms, L.P. (each a "Partnership" and collectively,  the
     "Partnerships"), none of the Companies has conducted any active business or
     held any other assets.  Except for the  agreements  of limited  partnership
     which  govern the  Partnerships,  none of the  Companies  is a party to any
     agreement. None of the Companies owns an interest in any subsidiaries.

          (h) Title to  Partnership  Interests.  The  Companies  have  legal and
     beneficial  ownership of the Partnership  Interests,  free and clear of all
     liens, claims, charges and encumbrances (collectively,  "Liens") other than
     Liens related to indebtedness of the Partnerships.

          (i) No  Litigation;  Compliance  with  Laws.  There  are  no  actions,
     lawsuits,  claims or  proceedings  pending,  or to the knowledge of Seller,
     threatened  against or affecting  the  Companies in any court or before any
     arbitrator  or  governmental  agency,  domestic  or  foreign.  Each  of the
     Companies  has  conducted  its  activities  in  compliance  in all material
     respects with all applicable laws and governmental regulations.

          (j) Absence of Liabilities. Except for obligations to the Partnerships
     and the  other  partners  of the  Partnerships  that may  exist  under  the
     respective   agreements   of   limited   partnerships   which   govern  the
     Partnerships,  none of the Companies has any material debts, liabilities or
     obligations  of  any  kind,  whether  accrued,   absolute,   contingent  or
     otherwise,  including,  without limitation,  any liability or obligation on
     account of taxes or any governmental charges or penalty, interest or fines.

          (k) Tax Matters.  Each of the Companies has filed all tax returns that
     it was required to file.  All such tax returns were correct and complete in
     all material  respects.  All taxes owed by each of the Companies  have been
     paid and none of the Companies has any additional liability for taxes.

          (l)  Corporate  Records.  The copies of the stock  records,  corporate
     minutes, by-laws and articles of incorporation of the Companies which shall
     be delivered at the Closing will be true, correct and complete.

          (m) Organization of Companies.  Each of the Companies is a corporation
     duly organized, validly existing and in good standing under the laws of the
     State of  Delaware.  Each of the  Companies  is qualified to do business in
     each state in which it is required  to be so  qualified,  except  where the
     failure to be so qualified would have a material adverse effect.





                                     - 7 -

<PAGE>

          (n) Knowledge and Experience of Seller.  Seller has such knowledge and
     experience  in  financial  and  business  matters that Seller is capable of
     evaluating   the  merits  and  risks  of  an   acquisition   of  the  Stock
     Consideration  to  be  received  by  Seller.  Seller  has  been  given  the
     opportunity  to ask  questions  of,  and  receive  answers  from  Purchaser
     concerning  the  terms and  conditions  of the  Stock  Consideration  to be
     acquired  by it  and  other  matters  pertaining  to an  investment  in the
     Purchaser,  and has been given the  opportunity  to obtain such  additional
     information  in order for  Seller to  evaluate  the  merits and risks of an
     acquisition  of the Stock  Consideration  to be  received  by Seller to the
     extent  Purchaser  possesses  such  information  or can  acquire it without
     unreasonable  effort or expense.  Seller  understands and has evaluated the
     merits and risks of the acquisition of the Stock Consideration.

          (o) Reliance. Seller acknowledges that Purchaser is entering into this
     Agreement in reliance upon Seller's  representations and warranties in this
     Agreement.

     5. Representations and Warranties of Purchaser. Purchaser hereby represents
and warrants to Seller as follows:

          (a)  Organization  and Authority of the Purchaser.  The Purchaser is a
     corporation duly organized, validly existing and in good standing under the
     laws of the State of Delaware  and has all  necessary  corporate  power and
     authority  to enter into this  Agreement,  the Stock  Pledge and the Rights
     Agreement and to issue the Note, to carry out its obligations hereunder and
     thereunder  and to  consummate  the  transactions  contemplated  hereby and
     thereby. The execution and delivery of this Agreement, the Stock Pledge and
     the Rights  Agreement  and the issuance of the Note by the  Purchaser,  the
     performance  by the Purchaser of its  obligations  hereunder and thereunder
     and the  consummation  by the  Purchaser of the  transactions  contemplated
     hereby and thereby have been duly authorized by all requisite action on the
     part of the  Purchaser.  This  Agreement,  the  Stock  Pledge,  the  Rights
     Agreement  and the Note  have  been  duly  executed  and  delivered  by the
     Purchaser,  and (assuming due authorization,  execution and delivery by the
     Seller) each of this Agreement,  the Stock Pledge, the Rights Agreement and
     the Note  constitutes  a valid  and  binding  obligation  of the  Purchaser
     enforceable against the Purchaser in accordance with its terms.

          (b)  No   Conflict.   Assuming   compliance   with  the   notification
     requirements  of the HSR  Act,  except  as may  result  from  any  facts or
     circumstances  relating solely to the Seller,  the execution,  delivery and
     performance of this  Agreement,  the Stock Pledge and the Rights  Agreement
     and the  issuance of the Note by the  Purchaser  do not and will not except
     for the  Required  Consents  (a)  violate,  conflict  with or result in the
     breach of any provision of the Certificate of  Incorporation  or By-laws of
     the Purchaser,  (b) conflict with or violate any law or governmental  order
     applicable to the  Purchaser or (c) conflict  with, or result in any breach
     of, constitute a default (or event which with the giving of notice or lapse
     or time, or both, would become a default) under, require any consent under,
     or give to others  any  rights  of  termination,  amendment,  acceleration,
     suspension,  revocation,  or cancellation  of, or result in the creation of
     any  encumbrance  on any of  the  assets  or  properties  of the  Purchaser
     pursuant to, any note, bond,  mortgage or indenture,  contract,  agreement,
     lease,  sublease,   license,  permit,  franchise  or  other  instrument  or
     arrangement  to which  the  Purchaser  is a party  or by which  any of such
     assets or  properties  are bound or  affected  which  would have a





                                     - 8 -

<PAGE>

     material  adverse  effect on the ability of the Purchaser to consummate the
     transactions contemplated by this Agreement.

          (c) Governmental Consents and Approvals.  The execution,  delivery and
     performance of this  Agreement,  the Stock Pledge and the Rights  Agreement
     and the  issuance of the Note by the  Purchaser do not and will not require
     any consent,  approval,  authorization or other order of, action by, filing
     with,  or  notification  to,  any  governmental  authority,  except  (a) as
     described in a writing  given to the Seller by the Purchaser on the date of
     this Agreement and (b) the notification requirements of the HSR Act.

          (d)  Knowledge  and  Experience  of  Purchaser.   Purchaser  has  such
     knowledge and  experience in financial and business  matters that Purchaser
     is capable of  evaluating  the merits and risks of a purchase of the Shares
     to be purchased by Purchaser.  Purchaser has been given the  opportunity to
     ask  questions  of, and  receive  answers  from,  Seller and the  Companies
     concerning the terms and conditions of the Shares to be purchased by it and
     other matters  pertaining to an investment in the  Companies,  and has been
     given the  opportunity to obtain such  additional  information in order for
     Purchaser  to evaluate  the merits and risks of a purchase of the Shares to
     be purchased by Purchaser to the extent  Seller and the  Companies  possess
     such information or can acquire it without  unreasonable effort or expense.
     Purchaser  understands  and has  evaluated  the  merits  and  risks  of the
     purchase of the Shares.

          (e) Economic Risk.  Purchaser  acknowledges  and understands  that the
     Shares to be purchased by it have not been registered  under the Securities
     Act, or any state  securities  or blue sky laws and,  therefore,  cannot be
     resold unless such Shares are registered under the Securities Act and under
     any  applicable  state  securities  or blue sky laws or unless an exemption
     from  registration  thereunder  is  available.  Purchaser is acquiring  the
     Shares to be  purchased by it for its own account for  investment,  and not
     with a view to, or for resale in connection with, the distribution thereof,
     and has no  present  intention  of  distributing  or  reselling  any of the
     Shares. In making the foregoing representation,  Purchaser is aware that it
     must bear, and it is able to bear, the economic risk of such investment for
     an indefinite period of time.

          (f) Public  Documents.  The Purchaser has heretofore  delivered to the
     Seller, true, complete and accurate copies of the Purchaser's Annual Report
     on Form  10-K for the year  ended  June  30,  1998  (the  "Form  10-K"),  a
     Quarterly  Report on Form 10-Q for the quarter  ended  September  30, 1998,
     Current Reports on Form 8-K filed since July 1, 1998, the Purchaser's proxy
     statement  relating  to its  special  meeting  in lieu of the  1997  annual
     meeting of its shareholders and all other reports or documents  required to
     be  filed  by the  Purchaser  pursuant  to  Section  13(a)  or 15(d) of the
     Exchange Act since the filing of the most recent  quarterly  report on Form
     10-Q  (collectively,  including  all  the  financial  statements  contained
     therein,  the "Disclosure  Documents").  The Disclosure Documents have been
     prepared,  filed and comply in all material respects in accordance with the
     rules and regulations promulgated by the Securities and Exchange Commission
     (the  "Commission")  and as of the date of this  Agreement,  no  additional
     filing or amendment to any previous filing is required under such rules and
     regulations.  The Form  10-K  fairly  summarizes  the  assets,  properties,
     business,  operations and management of the Purchaser and its





                                     - 9 -

<PAGE>

     Subsidiaries as of the date thereof.  The Disclosure  Documents,  as of the
     case may be, did not contain any  misstatements  of a material fact or omit
     to  state a  material  fact  necessary  to make  the  statements  contained
     therein,  in the light of the circumstances under which they were made, not
     misleading.

          (g)  Financial   Statements.   The  audited   consolidated   financial
     statements   (including  the  notes  thereto)  of  the  Purchaser  and  its
     Subsidiaries  set forth in the Form 10-K fairly  present  the  consolidated
     financial  position  of  the  Purchaser  and  its  Subsidiaries  as of  the
     respective  dates thereof and the results of  operations  and cash flow for
     the respective  periods  covered thereby in accordance with GAAP (except as
     specifically   noted  therein).   The  unaudited   consolidated   financial
     statements  included  in each Form 10-Q,  fairly  present  in all  material
     respects  (subject to normal year-end audit  adjustments)  the consolidated
     financial position of the Purchaser and its Subsidiaries for the respective
     periods  covered  thereby in  accordance  with GAAP applied on a consistent
     basis  (other  than the  footnote  disclosure  included  therewith).  Since
     September 30, 1998, there have been no changes in the Purchaser's method of
     accounting for tax purposes or any other purposes. The financial statements
     of the  Purchaser as of  September  30,  1998,  included in the  Disclosure
     Documents  disclose  all  liabilities  of  the  Purchaser  required  to  be
     disclosed  therein and contained  adequate reserves for taxes and all other
     material accrued liabilities as on the date thereof.

          (h) Reliance. Purchaser acknowledges that Seller is entering into this
     Agreement in reliance upon  Purchaser's  representations  and warranties in
     this Agreement.

     6. No Brokers.  Seller and  Purchaser  each  represent to the other that no
agent,  broker or other firm or person is or will be entitled to any broker's or
finder's  fees or any other  commission  or similar fee in  connection  with the
purchase and sale of the Shares  contemplated by this Agreement and respectively
agree to  indemnify  and hold the other  harmless  from and  against any and all
claims, liabilities or obligations with respect to any such fees, commissions or
expenses  asserted by any person on the basis of any act or statement alleged to
have occurred or been made by such party.

     7. Survival of  Representations  and  Covenants.  All  representations  and
warranties made by the parties to this Agreement shall survive the Closing for a
period of one year after the Closing hereunder.

     8. Assignment.  Neither this Agreement nor any of the rights,  interests or
obligations  hereunder  shall be  assigned  by either  party  without  the prior
written  consent of the other party.  Subject to the  preceding  sentence,  this
Agreement  will be binding upon,  inure to the benefit of and be  enforceable by
the parties and their respective heirs, personal representatives, successors and
permitted assigns.  Any purported assignment in violation of the foregoing shall
be void.

     9. General Provisions.

          (a) Specific Performance.  The parties hereto acknowledge that damages
     would be an  inadequate  remedy  for any breach of the  provisions  of this
     Agreement and agree that the obligations of the parties  hereunder shall be
     specifically enforceable.





                                     - 10 -

<PAGE>

          (b) Expenses.  Neither Seller nor Purchaser  shall be responsible  for
     the expenses  incurred by the other in connection  with this  Agreement and
     the transactions contemplated hereby.

          (c)  Amendments.  This  Agreement  may  not be  amended  except  by an
     instrument in writing signed by each of the parties hereto.

          (d) Notices. All notices and other  communications  hereunder shall be
     in  writing  and shall be deemed  given if  delivered  personally,  sent by
     overnight courier or mailed by registered or certified mail (return receipt
     requested)  to the  parties at the  following  addresses  (or at such other
     address for a party as shall be specified by like notice):

               (i)  if to Purchaser, to:

                    EcoScience Corporation
                    10 Alvin Court
                    East Brunswick, New Jersey  08816

                    with a copy to:

                    Philip D. Forlenza, Esq.
                    Giordano, Halleran & Ciesla
                    125 Half Mile Road
                    Post Office Box 190
                    Middletown, New Jersey 07748

               (ii) if to Seller, to:

                    Cogentrix Delaware Holdings, Inc.
                    9405 Arrowpoint Boulevard
                    Charlotte, North Carolina  28273-8110

                    with a copy to:
                    Robert B. Vernon
                    Fennebresque, Clark, Swindell & Hay
                    Suite 2900
                    100 North Tryon Street
                    Charlotte, North Carolina 28202-4011

          (e)  Counterparts.  This  Agreement  may be  executed  in one or  more
     counterparts,  all of which shall be considered one and the same agreement,
     it being understood that all parties need not sign the same counterpart.

          (f) Entire  Agreement;  No Third-Party  Beneficiaries.  This Agreement
     (including  the documents and  instruments  referred to herein and therein)
     (i)  constitutes the entire  agreement and supersedes all prior  agreements
     and  understandings,  both written and oral,





                                     - 11 -

<PAGE>

     between  Seller and Purchaser with respect to the subject matter hereof and
     (ii) is not  intended  to confer  upon any person  other  than the  parties
     hereto any rights or remedies hereunder.

          (g) Governing Law. This  Agreement  shall be governed by and construed
     in accordance with the laws of the State of North Carolina.

     10.  Mandatory  Prepayments.  If an Event of Default under the Stock Pledge
occurs,  the  principal  and all accrued  and unpaid  interest on the Note shall
without further act become immediately due and payable in full.

     The following shall constitute "Prepayment Events"; (i) Purchaser or any of
its subsidiaries  shall incur any  indebtedness for borrowed money,  (other than
under  their  respective  working  capital  facilities  (a  "Debt  Event")  (ii)
Purchaser or any of its  Subsidiaries  shall issue any capital stock for cash (a
"Stock Event"),  or (iii) Purchaser or any of its  Subsidiaries,  shall sell any
asset,  other than in the  ordinary  course of business (an "Asset  Sale").  Net
Proceeds  shall mean (i) in the case of a Debt  Event,  all cash loan  proceeds,
less reasonable  transactions  expenses,  (ii) in the case of a Stock Event, all
cash proceeds,  less reasonable transaction expenses and (iii) in the case of an
Asset Sale,  all net cash  proceeds,  after payment of  reasonable  transactions
expenses  and  indebtedness  required  to be repaid by any lien  attached to the
related  asset,  and,  only in the case of a sale of the  Pocono  facility,  the
payment of indebtedness to Agro Power  Development,  Inc.  related to the Pocono
facility.

     On the day that a  Prepayment  Event  occurs,  Purchaser  shall pay over to
Seller as a prepayment  on the Note,  the lesser of the Net Proceeds  related to
such  Prepayment  Event and the  principal and interest the  outstanding  on the
Note. Amounts received by Seller shall be applied first against accrued interest
and the balance against the remaining principal outstanding. If any such payment
shall be  sufficient  to pay the Note in full,  Seller  shall on receipt of such
payment,  mark the Note as cancelled and return the same to  Purchaser.  If such
payment is not sufficient to pay the Note in full, Seller shall, on receipt of a
new  Note,  in  the  form  of  Exhibit  A in a  principal  amount  equal  to the
outstanding  principal after such payment,  surrender to Purchaser the Note then
held by Seller.

     11. Restrictions on Sale of Stock  Consideration.  Seller agrees that until
September  30,  1999 it will not sell or  otherwise  transfer  any shares of the
Stock Consideration  without the written consent of Purchaser;  provided that no
consent  of  Purchaser  shall be  required  for Seller to sell (i) up to 250,000
shares of the Stock Consideration after April 1, 1999, (ii) up to 500,000 shares
of the Stock Consideration  (including shares sold after April 1, 1999 and prior
to June 30,  1999)  after June 30, 1999 or (iii) any number of shares so long as
the Note shall not have been paid in full when due and  remains  unpaid.  Seller
agrees that it will give  Purchaser at least seven days prior written  notice (a
"Sale Notice") of Seller's intention to sell 100,000 or more shares of the Stock
Consideration  in any one  transaction.  Seller agrees that on receipt of a Sale
Notice,  it will not,  nor will it permit any of the  officers or  directors  of
Seller or any subsidiary of Seller to execute, or place for execution, any sales
of Common  Stock of Seller,  until the  earlier of (a) the sale of the shares of
Stock Consideration by the Seller shall have been consummated and (b) expiration
of the thirty (30) day period following the receipt of the Sale Notice.




                                     - 12 -
<PAGE>

     12. Restrictive Legend. Each certificate representing the shares comprising
the Stock Consideration (the "EcoScience Shares") or any other securities issued
in  respect of the  EcoScience  Shares  upon any stock  split,  stock  dividend,
recapitalization,   merger,   consolidation  or  similar  event,  shall  (unless
otherwise permitted or unless the securities evidenced by such certificate shall
have been registered under the Securities Act) be stamped or otherwise imprinted
with a legend in  substantially  the  following  form (in addition to any legend
required under applicable state securities laws):

          THESE  SECURITIES HAVE NOT BEEN REGISTERED UNDER THE SECURITIES ACT OF
          1933 OR ANY STATE SECURITIES LAWS. THEY MAY NOT BE SOLD OR OFFERED FOR
          SALE IN THE ABSENCE OF AN EFFECTIVE  REGISTRATION  STATEMENT AS TO THE
          SECURITIES  LAW OR AN OPINION OF COUNSEL  FOR OR  SATISFACTORY  TO THE
          COMPANY THAT SUCH  REGISTRATION  IS NOT REQUIRED.  IN ADDITION,  THESE
          SECURITIES  ARE SUBJECT TO  RESTRICTIONS  ON TRANSFER  CONTAINED  IN A
          STOCK PURCHASE AGREEMENT DATED DECEMBER 4, 1998, A COPY OF WHICH IS ON
          FILE AT THE COMPANY'S OFFICES.

At any time after the  EcoScience  Shares shall have been  registered  under the
Securities Act or shall be tradable without  restriction under this Agreement or
any Rule or Regulation  promulgated  under the Securities  Act, Seller shall, at
Purchaser's   request,   exchange  the   certificates   held  by  Purchaser  for
certificates that do not contain the foregoing legend.

     13.  "Market  Stand-Off"  Agreement.  On and after  December  1,  1999,  if
requested  by the  Purchaser  and an  underwriter  of  common  stock  (or  other
securities)  of the  Purchaser,  Seller shall not sell or otherwise  transfer or
dispose of any common stock of the  Purchaser  held by Purchaser  during the ten
(10)  day  period  prior  to and  the  ninety  (90)  day  period  following  the
anticipated  effective date (as notified to Seller in writing by Purchaser) of a
registration statement of the Purchaser filed under the Securities Act, provided
that:

          (a) such agreement only applies to such registration statements of the
     Purchaser, including securities to be sold on its behalf to the public in a
     firm commitment  underwritten  offering,  and Seller owns 5% or more of the
     outstanding Common Stock of the Purchaser; and

          (b) all other shareholders  holding at least 5% of the Common Stock of
     Seller  and  officers  and  directors  of  Purchaser   enter  into  similar
     agreements.

     The Purchaser  may impose  stop-transfer  instructions  with respect to the
shares (or  securities)  subject to the foregoing  restrictions  during said one
hundred (100) day period.





                                     - 13 -

<PAGE>

     IN WITNESS WHEREOF, Seller and Purchaser have each caused this Agreement to
be duly executed as of the date first written above.

                            PURCHASER:

                            ECOSCIENCE CORPORATION


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

                            SELLER:

                            COGENTRIX DELAWARE HOLDINGS, INC.


                            By:
                               -------------------------------------------------
                            Name: Thomas F. Schwartz
                            Title: Senior Vice President - Finance and Treasurer





                                     - 14 -

<PAGE>

                                   APPENDICES

Schedules

Schedule 2(d) - Required Consents

Exhibits

Exhibit A - Form of Promissory Note
Exhibit B - Form of Stock Pledge Agreement
Exhibit C - Form of Registration Rights Agreement





                                     - 15 -

<PAGE>

       EXHIBIT A
            TO
STOCK PURCHASE AGREEMENT


                                 PROMISSORY NOTE


$20,600,000.00                                                December ___, 1998


     FOR VALUE RECEIVED,  the undersigned,  ECOSCIENCE  CORPORATION,  a Delaware
corporation,  having its  principal  place of business at 10 Alvin  Court,  East
Brunswick, New Jersey 08816 (collectively,  the "Maker"), hereby promises to pay
to the order of  COGENTRIX  DELAWARE  HOLDINGS,  INC.,  a Delaware  corporation,
having its principal place of business at 1105 North Market Street,  Suite 1108,
Wilmington,  DE 19801  (together with his successors and assigns,  the "Holder),
the principal sum of TWENTY  MILLION,  SIX HUNDRED  THOUSAND AND NO/100  DOLLARS
($20,600,000.00),  together  with  interest  at  eleven  and a  quarter  percent
(11.25%) per annum, in one installment payable on the 15th day of March, 1999.

     If (i) there  should be a default in the payment of  interest or  principal
due hereunder or (ii) the Maker or any other person liable hereon should make an
assignment  for the benefit of  creditors  or (iii)  attachment  or  garnishment
proceedings  are commenced  against the Maker or any other person liable hereon,
or (iv) a receiver,  trustee or liquidator is appointed over or execution levied
upon any property of the Maker or (v)  proceedings  are instituted by or against
the Maker or any other person  liable hereon under any  bankruptcy,  insolvency,
reorganization or other law relating to the relief of debtors, including without
limitation  the United States  Bankruptcy  Code, as amended,  or (vii) the Maker
makes any  misrepresentation  or breaches any  warranties  made to the Holder in
connection with any loans extended by the Holder to the Maker, then, and in each
such event, the Holder may, at its option, without notice or demand, declare the
remaining  unpaid  principal  balance of this  Promissory  Note and all  accrued
interest thereon immediately due and payable in full.

     Any  amount  hereunder  which is not  paid  when  due,  whether  at  stated
maturity,  by acceleration or otherwise,  shall bear interest from the date when
due until  paid at the  lesser  of (a) the  foregoing  rate per annum  plus four
percentage  points or (b) the maximum rate permitted by law, said interest to be
compounded  annually and computed on the basis of a 360-day year  consisting  of
twelve 30 day months.

     All payments made hereunder  shall be made in lawful currency of the United
States of  American to  Wilmington  Trust  Company,  Wilmington,  Delaware,  ABA
Routing  Number  031-100-092,  Account of  Cogentrix  Delaware  Holdings,  Inc.,
Account Number 32561-4, Attn: Christopher Monigle, or at such other place as the
Holder  may  designate  in  writing.  All  payments  made  hereunder,  whether a
scheduled payment, prepayment, or payments as a result of acceleration, shall be
allocated  first  to  accrued  but  unpaid  interest,  and then to  payments  of
principal remaining outstanding hereunder.





                                     - 16 -

<PAGE>

     Maker  agrees  to  pay  all  reasonable  costs  of  collection,   including
attorneys' fees paid or incurred by the Holder in enforcing this Promissory Note
on default or the rights and remedies herein provided.

     This  Promissory  Note is made  pursuant  to the  provisions  of the  Stock
Purchase  Agreement  (the  "Purchase  Agreement")  dated as of December 7, 1998,
between the Maker and the  Holder.  This  Promissory  Note is secured by a Stock
Pledge  Agreement  dated as of  December  ___,  1998,  between the Maker and the
Holder. This Promissory Note is subject to mandatory prepayment,  in whole or in
part,  as  provided  in the  Purchase  Agreement.  The  Maker  may  prepay  this
Promissory Note in whole or in part without premium or penalty.

     The Maker,  for itself and for any guarantors,  sureties,  endorsers and/or
any other  person or persons now or  hereafter  liable  hereon,  if any,  hereby
waives demand of payment, presentment for payment, protest, notice of nonpayment
or dishonor and any and all other  notices and demands  whatsoever,  and any and
all delays or lack of diligence in the collection hereof, and expressly consents
and agrees to any and all  extensions  or  postponements  of the time of payment
hereof  from  time to time at or after  maturity  and any other  indulgence  and
waives all notice thereof.

     This  Promissory  Note shall be governed by and  construed  and enforced in
accordance with the laws of the State of North Carolina.

     IN WITNESS WHEREOF, the undersigned has duly caused this Promissory Note to
be executed and delivered as of the date first written above.


                                       ECOSCIENCE CORPORATION


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





                                     - 17 -

<PAGE>

                                                                       EXHIBIT B
                                                                              TO
                                                                  STOCK PURCHASE
                                                                       AGREEMENT


                             STOCK PLEDGE AGREEMENT

     THIS STOCK PLEDGE AGREEMENT (the "Agreement"),  entered into as of December
____, 1998, is made by ECOSCIENCE  CORPORATION,  a Delaware corporation,  having
its principal place of business at 10 Alvin Court,  East  Brunswick,  New Jersey
08816  (the  "Pledgor"),  to  COGENTRIX  DELAWARE  HOLDINGS,  INC.,  a  Delaware
corporation, having its principal place of business at 1105 North Market Street,
Suite 1108, Wilmington, DE 19801 ("Pledgee").





                                     - 18 -

<PAGE>

     WHEREAS,  Pledgor and Pledgee have entered into a Stock Purchase  Agreement
(the "Stock Purchase  Agreement") dated as of December 7, 1998 pursuant to which
(i) Pledgor has  executed a promissory  note in favor of Pledgee  (the  "Note"),
which Note is dated of even date  herewith and under the terms of which  Pledgor
has agreed to pay to Pledgee the  principal sum of TWENTY  MILLION,  SIX HUNDRED
THOUSAND AND NO/00  Dollars  ($20,600,000.00),  together  with  interest on such
principal sum at eleven and one-quarter  percent (11.25%) per annum as set forth
therein,  on March 15,  1999 and (ii)  Pledgee  has sold to  Pledgor  all of the
outstanding shares of common stock (the "Shares") of COGENTRIX OF BUFFALO,  INC.
("CBI"),  COGENTRIX  OF  FORT  DAVIS  I,  INC.,  ("CFDI")  COGENTRIX  GREENHOUSE
INVESTMENTS,  INC., ("CGI"),  COGENTRIX OF MARFA, INC., ("CMA") AND COGENTRIX OF
POCONO INC.  ("CPI"),  each a Delaware  corporation (each of CBI, CFDI, CGI, CMI
and  CDI  are  referred  to  herein  as a  "Company"  and  collectively  as  the
"Companies").  In  connection  with the Stock  Purchase  Agreement,  Pledgor and
Pledgee  have  entered  into  a  Registration   Rights  Agreement  (the  "Rights
Agreement") of even date  herewith.  The Stock  Purchase  Agreement,  the Rights
Agreement and the Note are referred to herein collectively as the "Documents".

     WHEREAS,  Pledgor is the legal and beneficial owner of all of the shares of
common stock, par value _________ per share (the "APD Shares", and together with
the Shares,  the "Pledged  Shares"),  of AGRO POWER  DEVELOPMENT,  INC. ("APD").
Pledgor  has agreed to pledge the  Pledged  Shares  (and during the term of this
Agreement  agrees to pledge all  Additional  Shares (as  defined in Section  4.2
hereof))  to the  Pledgee  to secure the  performance  by Pledgor of any and all
obligations arising as a result of a default by the Pledgor under any Document.

     NOW, THEREFORE,  in consideration of the benefits accruing to Pledgor under
the  Documents,  and in order to induce  Pledgee  to enter  into the  Documents,
Pledgor hereby agrees as follows:

     1. Security for  Obligations.  This Agreement is for the benefit of Pledgee
to secure (i) the performance of the obligations of Pledgor under the Documents,
and (ii) all costs and  expenses  that may be incurred by Pledgee in  connection
with the exercise or enforcement of its rights and remedies hereunder (including
reasonable attorneys' fees actually incurred) (all such obligations collectively
being the "Secured Obligations").





                                     - 19 -

<PAGE>

     2. Pledge of Shares; etc.

     2.1 Pledge. For the purposes set forth in Section 1, Pledgor hereby pledges
the Pledged Shares to Pledgee,  together with (i) the certificates  representing
such Pledged Shares delivered herewith  accompanied by undated stock powers duly
executed in favor of Pledgee by Pledgor,  (ii)  subject to the rights of Pledgor
set  forth in  Section  4, all  dividends  (whether  in cash,  stock,  warrants,
options, or other securities),  cash, instruments or other property from time to
time received, receivable or otherwise distributed in respect of, or in exchange
for, any or all of the Pledged  Shares pledged by Pledgor  hereunder,  and (iii)
all cash and non-cash proceeds of the foregoing, and hereby assigns,  transfers,
hypothecates and sets over to Pledgee all of Pledgor's right, title and interest
in and to and grants to a Pledgee  security  interest in the Pledged Shares (and
in and to the  certificates  or instruments  evidencing  the items  described in
clauses  (i),  (ii) and (iii)  above) to be held by Pledgee,  upon the terms and
conditions set forth in this Agreement. Pledgor agrees to deliver to Pledgee all
certificates and instruments  evidencing the items described in clauses (ii) and
(iii) above promptly upon Pledgor's receipt thereof.

     2.2  Delivery  of  Pledged   Shares.   All   certificates   or  instruments
representing  or evidencing the Pledged Shares shall be delivered to and held by
or on behalf of the Pledgee,  pursuant  hereto and shall be in suitable form for
transfer by delivery,  duly endorsed and shall be  accompanied  by duly executed
instruments of transfer or assignments in blank,  with signatures  appropriately
guaranteed,  and  accompanied in each case by any required  transfer tax stamps,
all in form and substance satisfactory to the Pledgee.

     2.3 Definition of Collateral. The Pledged Shares and all items described in
clauses (ii) and (iii) of Section 2.1, including, without limitation, Additional
Shares  (as  defined  in  Section  4.2  hereof)  are   hereinafter   called  the
"Collateral".

     3. Security Interests  Absolute.  All rights of the Pledgee hereunder,  and
all obligations of the Pledgor  hereunder,  shall be absolute and  unconditional
and,  without  limiting the generality of the foregoing,  shall not be released,
discharged or otherwise affected by:

          (a) any extension, renewal, settlement,  compromise, waiver or release
     in respect of any Secured  Obligation  or any other  document  securing any
     Secured Obligation, by operation of law or otherwise;

          (b) any  modification or amendment or supplement to the Documents,  or
     any other document evidencing or securing any Secured Obligation;

          (c) any release,  non-perfection  or invalidity of any other direct or
     indirect security for any Secured Obligation;

          (d) any change in the existence, structure or ownership of the Pledgor
     or any insolvency,  bankruptcy,  reorganization or other similar proceeding
     affecting the





                                     - 20 -

<PAGE>

     Pledgor or its assets or any resulting  disallowance,  release or discharge
     of all or any portion of the Secured Obligations;

          (e) the  existence  of any  claim,  set-off or other  right  which the
     Pledgor may have at any time  against the Pledgee or any other  corporation
     or person,  whether in connection  herewith or any unrelated  transactions;
     provided that nothing  herein shall prevent the assertion of any such claim
     by separate suit or compulsory counterclaim;

          (f) any invalidity or  unenforceability  for any reason of any Secured
     Obligation  relating  to  or  against  the  Pledgor  or  any  provision  of
     applicable  law or  regulation  purporting  to prohibit  the payment by the
     Pledgor of the Secured Obligations;

          (g) any failure by the Pledgee (i) to file or enforce a claim  against
     the Pledgor or its estate (in a bankruptcy  or other  proceeding),  (ii) to
     give notice of the existence,  creation or incurrence by the Pledgor of any
     new or additional  indebtedness or obligation  under or with respect to the
     Secured Obligations, (iii) to commence any action against the Pledgor, (iv)
     to disclose to the Pledgor any facts which the Pledgee may now or hereafter
     know with regard to the Pledgor or (v) to proceed with due diligence in the
     collection,  protection or  realization  upon any  collateral  securing the
     Secured Obligations; or

          (h) any  other  act or  omission  to act or  delay  of any kind by the
     Pledgor,  the  Pledgee  or  any  other  person  or any  other  circumstance
     whatsoever which might, but for the provisions of this clause, constitute a
     legal or equitable discharge of the Pledgor's obligations hereunder.

     4. Right to Receive  Distributions on Pledged  Collateral;  Voting.  (a) So
long as no Event of Default shall have occurred and be continuing:

          (i) The Pledgor  shall be entitled to exercise  any and all voting and
     other  consensual  rights  pertaining  to the  Pledged  Shares  or any part
     thereof for any purpose permitted by the terms of this Agreement.

          (ii) The  Pledgor  shall be entitled to receive and retain any and all
     dividends, interest and principal paid in cash on the Pledged Shares to the
     extent  and only to the  extent  that such  cash  dividends,  interest  and
     principal  are  permitted  by,  and  otherwise  paid  in  accordance  with,
     applicable  laws.  Other  than  pursuant  to the  first  sentence  of  this
     paragraph  (a)(ii),  all  principal,  all noncash  dividends,  interest and
     principal,  and all  dividends,  interest and principal  paid or payable in
     cash or  otherwise in  connection  with a partial or total  liquidation  or
     dissolution, return of capital, capital surplus or paid-in surplus, and all
     other  distributions made on or in respect of Pledged Shares,  whether paid
     or payable in cash or  otherwise,  whether  resulting  from a  subdivision,
     combination or  reclassification or received in exchange for Pledged Shares
     or any part  thereof,  or in  redemption  thereof,  or as a  result  of any





                                     - 21 -

<PAGE>

     merger,   consolidation,   acquisition  or  other  exchange  of  assets  or
     otherwise, shall be and become part of the Collateral,  and, if received by
     the Pledgor,  shall not be  commingled by the Pledgor with any of his other
     funds or property but shall be held separate and apart therefrom,  shall be
     held in trust  for the  benefit  of the  Pledgee  and  shall  be  forthwith
     delivered to the Pledgee in the form in which  received (with any necessary
     endorsement).

          (iii) The Pledgee  shall  execute and deliver (or cause to be executed
     and  delivered)  to the  Pledgor  all such  proxies,  powers  of  attorney,
     consents,  ratifications  and waivers and other  instruments as the Pledgor
     may reasonably  request for the purpose of enabling the Pledgor to exercise
     the voting and other  rights  which it is entitled to exercise  pursuant to
     paragraph (i) above and to receive the dividends or interest payments which
     it is authorized to receive and retain pursuant to paragraph (ii) above.

     (b) Upon the occurrence and during the continuance of an Event of Default:

          (i) All rights of the Pledgor to receive the  dividends  and  interest
     payments  which it would  otherwise  be  authorized  to receive  and retain
     pursuant  to  Section  4(a)(ii)  shall  cease,  and all such  rights  shall
     thereupon  become vested in the Pledgee which shall thereupon have the sole
     right to  receive  and  hold as  Collateral  such  dividends  and  interest
     payments.

          (ii) All  dividends  and interest  payments  which are received by the
     Pledgor  contrary to the  provisions  of paragraph (i) of this Section 4(b)
     shall be  received  in  trust  for the  benefit  of the  Pledgee,  shall be
     segregated from other funds of the Pledgor and shall be forthwith paid over
     to the  Pledgee as  Collateral  in the same form as so  received  (with any
     necessary endorsement).

After all Events of Default have been cured or waived,  the Pledgee  shall repay
to the  Pledgor an amount  equal to the  excess,  if any,  of (A) the  aggregate
amount of any dividends and interest payments actually  collected by the Pledgee
under clauses (i) and (ii) of this Section 4(b) over (B) the aggregate amount of
such dividends and interest  payments applied by the Pledgee pursuant to Section
8.

     (c) Upon the occurrence and during the  continuance of an Event of Default,
all rights of the Pledgor to  exercise  the voting and other  consensual  rights
which it would  otherwise  be entitled to exercise  pursuant to Section  4(a)(i)
shall cease,  and all such rights shall thereupon  become vested in the Pledgee,
which  shall  thereupon  have the sole right to  exercise  such voting and other
consensual  rights.  After all Events of Default have been cured or waived,  the
Pledgor  will have the right to exercise  the voting and  consensual  rights and
powers  to  which  it would  otherwise  be  entitled  pursuant  to the  terms of
paragraph 4(a)(i).





                                     - 22 -

<PAGE>

     4.2 Additional  Shares. In the event that any Company or APD shall issue to
Pledgor,  any additional  common stock,  preferred stock,  warrants,  options to
purchase  unissued  stock  or  other  securities  (collectively  referred  to as
"Additional Shares") during the term of this Agreement,  Pledgor shall pledge or
cause to be pledged to Pledgee  all such  Additional  Shares  during the term of
this Agreement.

     5. Events of Default.

     5.1 Definition of Events of Default.  Any of the following specified events
shall  constitute  an event of default  (each an "Event of Default")  under this
Agreement with respect to Pledgor:

          (a) the failure of Pledgor to pay when due any amount under the Note;

          (b) any  representation,  warranty or  statement  made or deemed to be
     made by  Pledgor  under or in  connection  with this  Agreement,  the Stock
     Purchase  Agreement  or the  Rights  Agreement  shall  have  been  false or
     misleading  in any  material  respect when made or deemed to have been made
     and on the date on which such  misrepresentation or breach is discovered or
     determined;  provided,  that,  no such  misrepresentation  or breach  shall
     constitute  an Event of  Default  hereunder  if such  misrepresentation  or
     breach is cured  within  thirty  (30) days  after  the  earlier  of (i) its
     discovery or determination by Pledgor and (ii) notice to Pledgor by Pledgee
     and the costs of effecting such cure are not material;

          (c) Pledgor shall breach or fail to observe or perform any covenant or
     agreement set forth in the Documents;

          (d) an  involuntary  proceeding  shall be commenced or an  involuntary
     petition  shall be filed in a court of competent  jurisdiction  seeking (A)
     relief in respect of the Pledgor,  or of a substantial part of his property
     or assets,  under Title 11 of the United States Code, as now constituted or
     hereafter  amended,  or any other  Federal,  state or  foreign  bankruptcy,
     insolvency, receivership or similar law, (B) the appointment of a receiver,
     trustee, custodian,  sequestrator,  conservator or similar official for the
     Pledgor,  or for a substantial  part of his property or assets,  or (C) the
     winding-up or liquidation of the Pledgor;  and such  proceeding or petition
     shall continue  undismissed for 60 days or an order or decree  approving or
     ordering any of the foregoing shall be entered; or

          (e) the Pledgor shall (A) voluntarily  commence any proceeding or file
     any petition  seeking  relief under Title 11 of the United  States Code, as
     now  constituted  or  hereafter  amended,  or any other  Federal,  state or
     foreign bankruptcy, insolvency, receivership or similar law, (B) consent to
     the





                                     - 23 -

<PAGE>

     institution of, or fail to contest in a timely and appropriate  manner, any
     proceeding or the filing of any petition  described in paragraph (i) above,
     (C)  apply  for or  consent  to the  appointment  of a  receiver,  trustee,
     custodian, sequestrator,  conservator or similar official for such party or
     for a  substantial  part of its  property  or  assets,  (D) file an  answer
     admitting the material  allegations  of a petition  filed against it in any
     such  proceeding,  (E)  make  a  general  assignment  for  the  benefit  of
     creditors,  (F) become  unable,  admit in  writing  its  inability  or fail
     generally  to pay its debts as they  become  due or (G) take any action for
     the purpose of effecting any of the foregoing.

     5.2 Notice and  Opportunity  to Cure.  Except with  respect to a failure to
observe or perform any covenant or agreement set forth in Sections 4, 5.1(a), 12
or 15 hereof with respect to which no notice shall be  required,  Pledgee  shall
give  Pledgor  written  notice  that an  Event of  Default  has  occurred  or is
occurring hereunder, and Pledgor shall have ten (10) days (or such longer period
as may otherwise be expressly  provided  herein) from the receipt of such notice
to cure or cause to be cured the Event of  Default.  If the Event of  Default is
not cured with such  period,  then  Pledgee  shall be entitled  to exercise  the
remedies  set forth in Section 5.3 below.  Any failure of Pledgee to give notice
to Pledgor upon the occurrence or  continuation  of an Event of Default shall in
no way be deemed to limit or abridge the rights of Pledgee under this  Agreement
or the  Documents,  including  the right of Pledgee to exercise the remedies set
forth in Section 5.3 upon the giving of any notice or  opportunity  to cure that
is required hereunder.

     5.3 Remedies. If an Event of Default shall have occurred and be continuing,
Pledgee  shall be entitled to exercise  all of the rights,  powers and  remedies
(whether  vested  in it by  this  Agreement  or by law  and  including,  without
limitation,  all rights and  remedies of a secured  party of a debtor in default
under the Uniform  Commercial  Code (the "Code") in effect in the State of North
Carolina  at that  time) for the  protection  and  enforcement  of its rights in
respect of the Collateral relating to the Pledged Shares of Pledgor with respect
to whom an Event of Default has occurred.  In addition to, and not in limitation
of the foregoing, Pledgee shall be entitled to exercise the following rights:

          (a) to receive  all  amounts in respect of such  Collateral  otherwise
     payable  under  Section 4 to Pledgor  and to  enforce  the  payment  rights
     appurtenant  to the  Pledged  Shares  and to  exercise  all of the  rights,
     powers, and remedies of Pledgor thereunder;

          (b) to transfer all or any part of such Collateral into Pledgee's name
     or the name of its nominee or nominees;

          (c) to  vote  all or any  part  of  such  Collateral  (whether  or not
     transferred  into the name of Pledgee) and give all  consents,  waivers and
     ratifications  in respect of such Collateral and otherwise act with respect
     thereto as though it were the outright owner thereof;





                                     - 24 -

<PAGE>

          (d) at any time or from time-to-time to sell,  assign and deliver,  or
     grant  options  to  purchase,  all or any part of such  Collateral,  or any
     interest therein,  at any public or private sale at any exchange,  broker's
     board or elsewhere, without demand of performance,  advertisement or notice
     of intention to sell or of the time or place of sale or adjournment thereof
     or  to  redeem  or  otherwise  (all  of  which  are  hereby  expressly  and
     irrevocably waived by Pledgor),  for cash, on credit or for other property,
     for immediate or future delivery without any assumption of credit risk, and
     for  such  price  or  prices  and on such  terms  as  Pledgee  in its  sole
     discretion may determine.  Pledgor agrees that to the extent that notice of
     sale shall be required by any  applicable  law,  ten (10) days' notice to a
     Pledgor  of the time and place of any public  sale or the time after  which
     any private sale is to be made shall  constitute  reasonable  notification.
     Pledgee shall not be obligated to make any sale of Collateral regardless of
     notice of sale having been given. Pledgee may adjourn any public or private
     sale  from  time-to-time  by  announcement  at the  time  and  place  fixed
     therefor,  and any such sale may,  without further  notice,  be made at the
     time and place to which it was so  adjourned.  Pledgor  hereby  waives  and
     releases  to the  fullest  extent  permitted  by law any right or equity of
     redemption  with respect to the  Collateral,  whether  before or after sale
     hereunder.  At any such sale,  unless prohibited by applicable law, Pledgee
     may bid for and  purchase  all or any part of the  Collateral  so sold free
     from any such right or equity of  redemption.  Pledgee  shall not be liable
     for failure to collect or realize upon any or all of the  Collateral or for
     any delay in so doing,  nor  shall it be under any  obligation  to take any
     action whatsoever with regard thereto;

          (e)  to  settle,   adjust,   compromise   and  arrange  all  accounts,
     controversies,  questions, claims and demands whatsoever in relation to all
     or any part of such Collateral;

          (f) to execute all contracts, agreements, documents and instruments to
     bring,  defend and abandon all such actions,  suits and  proceedings and to
     take all other actions in relation to all or any part of such Collateral as
     Pledgee in its sole discretion may determine;

          (g)  to  appoint  agents  for  any of the  purposes  mentioned  in the
     foregoing  provisions  of this Section 5.3 and to dismiss the same,  all as
     Pledgee in its sole discretion may determine; and

          (h) generally,  to take all such other action as Pledgee may determine
     as incidental or conducive to any of the matters or powers mentioned in the
     foregoing  provisions  of this Section 5.3 and which  Pledgee may or can do
     lawfully and to use the name of Pledgor for the purposes  aforesaid  and in
     any proceedings arising therefrom.





                                     - 25 -

<PAGE>

     5.4.  Additional Rights of the Pledgee.  Upon the occurrence and during the
continuance of an Event of Default:

     (a) The Pledgee  shall have the right and power to  institute  and maintain
such suits and proceedings as it may deem appropriate to protect and enforce the
rights vested in it by this Agreement and may proceed by suit or suits at law or
in equity to enforce such rights and to foreclose  upon and sell the  Collateral
or any part  thereof  pursuant to the judgment or decree of a court of competent
jurisdiction.

     (b) The Pledgee shall, to the extent permitted by law and without regard to
the solvency or insolvency at the time of any person then liable for the payment
of any of the  Secured  Obligations  or the then  value of the  Collateral,  and
without  requiring any bond from any party to such  proceedings,  be entitled to
the appointment of a special  receiver or receivers (who may be the Pledgee) for
the Collateral or any part thereof and for the rents,  issues,  tolls,  profits,
royalties,  revenues and other income therefrom,  which receiver shall have such
powers as the court making such appointment shall confer, and to the entry of an
order directing that the rents, issues, tolls, profits, royalties,  revenues and
other  income  of  the  property  constituting  the  whole  or any  part  of the
Collateral  be  segregated,  sequestered  and  impounded  for the benefit of the
Pledgee,  and  the  Pledgor  irrevocably  consents  to the  appointment  of such
receiver or receivers and to the entry of such order.

     5.5.  Securities  Act,  etc.  In view of the  position  of the  Pledgor  in
relation  to  the  Pledged  Shares,  or  because  of  other  present  or  future
circumstances,  a question may arise under the Securities Act of 1933, as now or
hereafter  in effect,  or any similar  statute  hereafter  enacted  analogous in
purpose or effect (such Act and any such similar statute as from time to time in
effect being herein called the "Federal  Securities Laws"),  with respect to any
disposition of the Pledged Shares permitted  hereunder.  The Pledgor understands
that compliance  with the Federal  Securities Laws might very strictly limit the
course of conduct of the  Pledgee if the  Pledgee  were to attempt to dispose of
all or any part of the Pledged Shares,  and might also limit the extent to which
or the manner in which any  subsequent  transferee  of any such  Pledged  Shares
could dispose of the same.  Similarly,  there may be other legal restrictions or
limitations  affecting  the  Pledgee in any attempt to dispose of all or part of
the Pledged Shares under  applicable Blue Sky or other state  securities laws or
similar laws analogous in purpose or effect.

     Accordingly,  the Pledgor  expressly agrees that the Pledgee is authorized,
in connection with any sale of the Pledged  Shares,  if it deems it advisable so
to do, (i) to restrict the  prospective  bidders on or  purchasers of any of the
Pledged Shares to a limited number of sophisticated investors who will represent
and agree that they are  purchasing for their own account for investment and not
with a view to the  distribution or sale of any of such Pledged Shares,  (ii) to
cause to be placed on  certificates  for any or all of the Pledged  Shares or on
any other securities pledged hereunder a legend to the effect that such security
has not  been  registered  under  the  Federal  Securities  Laws  and may not be
disposed of in violation of the  provision  of the Federal  Securities  Laws and
(iii) to impose such other limitations or conditions in connection with any such
sale as the Pledgee  deems  necessary  or  advisable in order to comply with the
Federal  Securities Laws or any other law. The Pledgor covenants and agrees that
it will  execute and deliver  such  documents  and take such





                                     - 26 -

<PAGE>

other action as the Pledgee deems necessary or advisable in order to comply with
the Federal Securities Laws or any other law in connection with any private sale
of the Pledged Shares. The Pledgor acknowledges and agrees that such limitations
may result in prices and other terms less  favorable  to the seller than if such
limitations were not imposed, and, notwithstanding such limitations, agrees that
any such sale  shall be deemed  to have been made in a  commercially  reasonable
manner,  it  being  the  agreement  of the  Pledgor  and the  Pledgee  that  the
provisions  of this Section 5.5 will apply  notwithstanding  the  existence of a
public or private  market upon which the  quotations  or sales prices may exceed
substantially  the price at which the  Pledgee  sells the  Pledged  Shares.  The
Pledgee shall be under no obligation to delay a sale of any Pledged Shares for a
period of time  necessary  to permit  the  issuer  of any  securities  contained
therein to register such securities under the Federal  Securities Laws, or under
applicable state securities laws, even if the issuer would agree to do so.

     5.6.  Remedies Not Exclusive.  (a) No remedy  conferred upon or reserved to
the Pledgee in this Agreement is intended to be exclusive of any other remedy or
remedies,  but every such remedy shall be cumulative and shall be in addition to
every other  remedy  conferred  herein or now or  hereafter  existing at law, in
equity or by statute.

     (b) If the Pledgee  shall have  proceeded  to enforce any right,  remedy or
power under this Agreement and the proceeding for the enforcement  thereof shall
have been discontinued or abandoned for any reason or shall have been determined
adversely  to the  Pledgee,  the Pledgor and the Pledgee  shall,  subject to any
determination  in such  proceeding,  severally and  respectively  be restored to
their former  positions  and rights under this  Agreement,  and  thereafter  all
rights,  remedies  and powers of the  Pledgee  shall  continue as though no such
proceedings had been taken.

     (c) All  rights of action  under  this  Agreement  may be  enforced  by the
Pledgee  without  the  possession  of  any  instrument  evidencing  any  Secured
Obligation or the production  thereof at any trial or other proceeding  relative
thereto,  and any suit or proceeding  instituted by the Pledgee shall be brought
in its name and any judgment shall be held as part of the Collateral.

     5.7  Transfer in lieu of  Foreclosure.  Pledgee  agrees that in lieu of any
other remedy available to Pledgor  hereunder or at law or equity,  so long as an
Event  of  Default  has  occurred  and is  continuing,  Pledgor  may in its sole
discretion  elect to  transfer  the  Shares to its own name,  or the name of its
nominee, cancel the Note, release Pledgor from the remaining Secured Obligations
and release the remaining Collateral from the lien of this Agreement.  Upon such
transfer  and  releases,  legal and  beneficial  ownership  in the Shares  shall
automatically vest in Pledgee, free and clear of any claim,  including any right
or equity of redemption of Pledgor.  Pledgor agrees that the exercise of Pledgee
of its rights under this Section 5.7 is strictly in the nature of a remedy,  and
shall in no way constitute a recession of the Stock Purchase Agreement.  Pledgor
agrees  that  Pledgee  shall  have  the  absolute  right  to  retain  the  Stock
Consideration, (as defined in the Stock Purchase Agreement), as consideration of
the  releases  granted  by  Pledgee  under this  Section  5.7 and as  liquidated
damages, and not as a penalty, for Pledgor's breach.





                                     - 27 -

<PAGE>

     6. Waiver and Estoppel.  (a) The Pledgor,  to the extent it may lawfully do
so, agrees that it will not at any time in any manner  whatsoever  claim or take
the  benefit or  advantage  of any  appraisement,  valuation,  stay,  extension,
moratorium,  turnover or  redemption  law, or any law now or  hereafter in force
permitting  it to direct the order in which the  Collateral  shall be sold which
may delay,  prevent or otherwise  affect the  performance or enforcement of this
Agreement  and the Pledgor  hereby  waives the benefits or advantage of all such
laws,  and covenants  that it will not hinder,  delay or impede the execution of
any power granted to the Pledgee in this Agreement but will permit the execution
of every such power as though no such law were in force;  provided  that nothing
contained  in this Section 6 shall be construed as a waiver of any rights of the
Pledgor under any applicable Federal bankruptcy law.

     (b) The  Pledgor,  to the extent it may lawfully do so, on behalf of itself
and all who may claim  through  or under it,  including  any and all  subsequent
creditors,  vendees,  assignees  and lienors,  waives and releases all rights to
demand or to have any marshalling of the Collateral upon any sale,  whether made
under any power of sale granted  herein or pursuant to judicial  proceedings  or
upon any  foreclosure  or any  enforcement  of this  Agreement  and consents and
agrees that all of the Collateral may at any such sale be offered and sold as an
entirety.

     (c) The Pledgor,  to the extent it may lawfully do so, waives  presentment,
demand,  protest and any notice of any kind (except notices explicitly  required
under any  document) in connection  with this  Agreement and any action taken by
the Pledgee with respect to the Collateral.

     7. Power of  Attorney.  The  Pledgor  hereby  irrevocably  constitutes  and
appoints the Pledgee,  with full power of  substitution,  as its true and lawful
attorney-in-fact  with full  irrevocable  power and  authority  in the place and
stead of the  Pledgor  and in the name of the  Pledgor or in its own name,  from
time to time in the  Pledgee's  discretion  for the purpose of carrying  out the
terms of this Agreement,  to take any and all appropriate  action and to execute
any and all  documents  and  instruments  which may be necessary or desirable to
accomplish the purposes of this Agreement and,  without  limiting the generality
of the foregoing, hereby gives the Pledgee the power and right, on behalf of the
Pledgor, without notice to or assent by the Pledgor to do the following:

          (a) upon the  occurrence  and during the  continuance  of any Event of
     Default,  to pay or discharge  taxes,  liens,  security  interests or other
     encumbrances levied or placed on or threatened against the Collateral; and

          (b) upon the  occurrence  and during the  continuance  of any Event of
     Default and  otherwise  to the extent  provided in this  Agreement,  (i) to
     direct any party liable for any payment under any of the Collateral to make
     payment of any and all moneys due and to come due  thereunder  directly  to
     the Pledgee or as the Pledgee shall direct;  (ii) to receive payment of and
     receipt for any and all moneys,  claims and other amounts due and to become
     due at any time in respect of or arising  out of any





                                     - 28 -

<PAGE>

     Collateral;   (iii)  to  commence  and  prosecute  any  suits,  actions  or
     proceedings at law or in equity in any court of competent  jurisdiction  to
     collect  the  Collateral  or any  thereof and to enforce any other right in
     respect of any  Collateral;  (iv) to defend any suit,  action or proceeding
     brought against the Pledgor with respect to any Collateral;  (v) to settle,
     compromise and adjust any suit,  action or proceeding  described above and,
     in connection therewith, to give such discharges or releases as the Pledgee
     may deem appropriate;  and (vi) generally to sell,  transfer,  pledge, make
     any agreement  with respect to or otherwise deal with any of the Collateral
     as fully and  completely  as though the  Pledgee  were the  absolute  owner
     thereof for all  purposes,  and to do, at the option of the Pledgee and the
     Pledgor's  expense,  at any time, or from time to time, all acts and things
     which the Pledgee deems necessary to protect,  preserve or realize upon the
     Collateral and the Pledgee's security interest therein,  in order to effect
     the intent of this  Agreement,  all as fully and effectively as the Pledgor
     might do.

     The Pledgor hereby  ratifies all that such  attorneys  shall lawfully do or
cause to be done by virtue  hereof.  This power of attorney  is a power  coupled
with an interest and shall be irrevocable, provided, however, that this power of
attorney  shall  terminate  immediately  upon the  satisfaction  of the  Secured
Obligations.

     Except as provided  by law or the Code or its  equivalent,  nothing  herein
contained  shall be construed as requiring or obligating the Pledgee to make any
commitment or to make any inquiry as to the nature or sufficiency of any payment
received by the Pledgee,  or to present or file any claim or notice,  or to take
any action with respect to the  Collateral or any part thereof or the moneys due
or to become due in respect  thereof or any property  covered  thereby,  and the
Pledgee  shall not be liable  hereunder  for any action  taken by the Pledgee or
omitted to be taken with respect to the  Collateral  or any part thereof  (other
than any action or inaction  that a court of competent  jurisdiction  shall have
determined by final and nonappealable judgment to constitute gross negligence or
willful misconduct).  The provisions of this Section 7 shall in no event relieve
the Pledgor of any of his  obligations  hereunder with respect to the Collateral
or any part  thereof or impose any  obligation  on the Pledgee to proceed in any
particular manner with respect to the Collateral or any part thereof,  or in any
way limit the exercise by the Pledgee of any other or further right which it may
have on the date of this Agreement or hereafter,  whether hereunder or by law or
otherwise.

     8. Application of Proceeds.  All moneys collected by Pledgee upon any sale,
collection  or other  disposition  of the  Collateral,  together  with all other
moneys received by Pledgee hereunder, shall be applied as follows:

          First,  to the payment of the  reasonable  costs and  expenses of such
     sale,  collection  or other  realization,  including,  without  limitation,
     reasonable  attorneys' fees and all other reasonable expenses,  liabilities
     and advances actually made or incurred by Pledgee in connection therewith;





                                     - 29 -

<PAGE>

          Second,  to the  payment in full of all  obligations  owing to Pledgee
     under the Secured Obligations; and

          Third, to the Pledgor,  or its successors or assigns, or to whomsoever
     may be lawfully  entitled to receive the same,  or as a court of  competent
     jurisdiction may direct, any surplus then remaining from such proceeds.

     (b)  The  Pledgee  shall  have  absolute  discretion  as  to  the  time  of
application  of any such  proceeds,  moneys or balances in accordance  with this
Agreement.

     9.  Purchasers  of  Collateral.  Upon  any  sale  of any of the  Collateral
hereunder  (whether by virtue of the power of sale herein  granted,  pursuant to
judicial process or otherwise), the receipt by Pledgee or the officer making the
sale shall be a sufficient  discharge  to the  purchaser  or  purchasers  of the
Collateral so sold, and such  purchaser or purchasers  shall not be obligated to
see to the application of any part of the purchase money paid over to Pledgee or
such  officer  or  be   answerable  in  any  way  for  the   misapplication   or
nonapplication thereof.

     10. Further Assurances. Pledgor agrees that it will do such acts and things
and  promptly  execute  and  deliver to  Pledgee  such  additional  conveyances,
assignments,  agreements and  instruments  as Pledgee may reasonably  require or
deem advisable to carry into effect the purposes of this Agreement or to further
assure and confirm unto Pledgee its rights, powers and remedies hereunder.

     11. Representations and Warranties.  Pledgor hereby represents and warrants
that:  (i) the  Pledged  Shares are  subject to no liens or other  encumbrances,
except  liens and  security  interests  created by this  Agreement  or expressly
permitted by this Agreement or the Documents;  (ii) it has legal capacity, power
and right to pledge all of the  Pledged  Shares  pledged by it  pursuant to this
Agreement;  (iii)  except as  contemplated  by the Stock  Purchase  Agreement no
consent of any other  party  (including,  without  limitation,  any  creditor of
Pledgor),  and no order,  consent,  license,  permit,  approval,  validation  or
authorization of, exemption by, notice to or registration,  recording, filing or
declaration  with, any governmental or public body or authority,  is required to
be obtained by Pledgor in connection with the execution, delivery or performance
of this  Agreement or  consummation  of the  transactions  contemplated  hereby,
including,  without  limitation,  the exercise by Pledgee of the voting or other
rights  provided  for in  this  Agreement  or the  remedies  in  respect  of the
Collateral  pursuant to this Agreement  (except as may be required in connection
with the  disposition  of the Pledged  Shares by laws affecting the offering and
sale of  securities  generally);  (iv) the pledge and  delivery  of the  Pledged
Shares  pursuant to this Agreement  creates a valid and perfected first priority
security  interest  in the  Pledged  Shares,  and the  proceeds  thereof,  which
security  interest is not subject to any prior lien  permitted by Pledgor or any
agreement  purporting  to grant to any  third  party a lien on the  property  or
assets of Pledgor which would include the Pledged Shares; and (v) Pledgor is the
sole beneficial  owner of the Pledged Shares.  All Pledged Shares have been duly
authorized and validly issued and are fully paid and nonassessable.  None of the
Pledged  Shares is  subject  to options  to  purchase  or similar  rights of any
person.  The Pledgor is not and will not





                                     - 30 -

<PAGE>

become  a  party  to or  otherwise  bound  by any  agreement,  other  than  this
Agreement,  which  restricts  in any manner the rights of any  present or future
holder of any of the Pledged Shares with respect thereto.

     12.  Covenants of Pledgor.  Pledgor  covenants and agrees that it will not,
with respect to any  Collateral,  without the prior written  consent of Pledgee,
enter into any shareholder agreements,  voting agreements,  voting trusts, trust
deeds, irrevocable proxies or any other similar agreements or instruments.

     13. Payment of Taxes, etc. The Pledgor will pay all taxes,  assessments and
other  governmental  charges or levies imposed upon the Collateral or in respect
of any of its income or profits  therefrom when the same become due and payable,
but in any event before any penalty or interest accrues thereon,  and all claims
(including  claims for labor,  services,  materials and supplies) for sums which
have become due and  payable  and which by law have or might  become a Lien upon
any of his properties or assets, and promptly reimburse the Pledgee for any such
taxes,  assessments,  charges or claims paid by them; provided that no such tax,
assessment,  charge or claim need be paid or  reimbursed  if being  contested in
good  faith  by  appropriate   proceedings  promptly  initiated  and  diligently
conducted and if such reserves or other appropriate provision,  if any, as shall
be required by generally accepted accounting principles ("GAAP") shall have been
made therefor and be adequate in the good faith judgment of the Pledgor.

     14. Limitation on Liens on Collateral.  The Pledgor will not create, permit
or suffer to exist, but will defend the Collateral and the Pledgor's rights with
respect  thereto  against and take such other  action as is necessary to remove,
any  security  interest,  encumbrance,  claim or other  Lien in  respect  of the
Collateral.

     15.  Limitations  on  Dispositions  of  Collateral.  The Pledgor  will not,
directly or indirectly, sell, transfer, lease or otherwise dispose of any of the
Collateral (or any interest  therein),  or attempt,  offer or contract to do so.
The inclusion of proceeds of the Collateral under the security  interest granted
hereby  shall not be deemed a consent by the Pledgee to any sale or  disposition
of any Collateral.

     16. Notices. The Pledgor will advise the Pledgee promptly and in reasonable
detail,  (a) of any security  interest,  encumbrance or claim made or other Lien
asserted  against  any of the  Collateral,  (b) of any  material  change  in the
composition of the Collateral and (c) of the occurrence of any other event which
would have a material  effect on the aggregate value of the Collateral or on the
security interests granted to the Pledgee in this Agreement.

     17. Change of Law. The Pledgor shall promptly notify the Pledgee in writing
of any change in law known to it which (i) adversely  affects or will  adversely
affect the validity,  perfection or priority of the security  interests  granted
hereby,  (ii) requires or will require a change in the procedures to be followed
in order to maintain and protect such validity, perfection and priority or (iii)
could result in the Pledgee not having a perfected  security  interest in any of
the Collateral.





                                     - 31 -

<PAGE>

     18. Notices,  etc. All notices and other communications  hereunder shall be
given in accordance with Section 9(d) of the Stock Purchase Agreement.

     19. Partial Release of Collateral; Termination. Upon payment in full of the
Note, and so long as the registration  statement  referred to in Section 2(a) of
the Rights  Agreement shall have been filed by Pledgor and Pledgor is diligently
pursuing the  effectiveness of such  registration  statement,  Pledgee shall, at
Pledgor's  written  request,  release  the  APD  Shares  from  the  lien of this
Agreement and return the certificates representing the APD Shares to Pledgor, at
Pledgor's  expense.  Upon the full satisfaction of the Secured  Obligations this
Agreement  shall  terminate,  and Pledgee  will execute and deliver to Pledgor a
proper instrument or instruments  acknowledging the satisfaction and termination
of Pledgor's  obligation  and will duly assign,  transfer and deliver to Pledgor
(without   recourse  and  without   representation  or  warranty)  such  of  the
Collateral,  including the Pledged Shares,  as may be in the possession or under
the control or direction of Pledgee and which has not  theretofore  been sold or
otherwise  applied  pursuant to this  Agreement,  together  with any moneys with
respect  thereto  held by or under the control or  direction  of Pledgee at that
time pursuant to this Agreement.

     20. Survival of Agreement. All covenants,  agreements,  representations and
warranties  made  by  the  Pledgor  herein  and  in the  certificates  or  other
instruments  prepared  or  delivered  in  connection  with or  pursuant  to this
Agreement shall be considered to have been relied upon by the Pledgee regardless
of any investigation  made by the Pledgee,  and shall continue in full force and
effect until the Secured Obligations have been indefeasibly paid in full.

     21.   Counterparts.   This  Agreement  may  be  executed  in  two  or  more
counterparts, each of which shall constitute an original, but all of which, when
taken together,  shall  constitute but one  instrument.  This Agreement shall be
effective with respect to the Pledgor when a counterpart  hereof which bears the
signature of the Pledgor shall have been delivered to the Pledgee.

     22. Amendments, Etc. No amendment,  modification or waiver of any provision
of this Agreement and no consent to any departure by the Pledgor therefrom shall
in any event be  effective  unless the same shall be in a writing,  executed and
delivered by Pledgor and Pledgee, and then such amendment,  modification, waiver
or consent shall be effective only in the specific instance and for the specific
purpose for which given.

     23.  Assignments.  This  Agreement and the terms,  covenants and conditions
hereof shall be binding upon the Pledgor and its  successors  and shall inure to
the benefit of the Pledgee and its successors and assigns. The Pledgor shall not
be  permitted to assign,  transfer or delegate any of its rights or  obligations
under this Agreement (and any such purported assignment,  transfer or delegation
without such consent shall be void).

     24.  Savings  Clause.  In the  event  any  one or  more  of the  provisions
contained in this Agreement should be held invalid,  illegal or unenforceable in
any respect with  respect to the  Pledgor,  no party hereto shall be required to
comply  with such  provision  with  respect





                                     - 32 -

<PAGE>

to the Pledgor for so long as such  provision is held to be invalid,  illegal or
unenforceable,  and the validity,  legality and  enforceability of the remaining
provisions  contained  herein,  and of such  invalid,  illegal or  unenforceable
provision  with respect to any other party,  shall not in any way be affected or
impaired.  The parties shall endeavor in good-faith  negotiations to replace any
invalid, illegal or unenforceable provisions with valid provisions, the economic
effect of which comes as close as possible  to that of the  invalid,  illegal or
unenforceable provisions.

     25. GOVERNING LAW. THIS AGREEMENT SHALL BE CONSTRUED IN ACCORDANCE WITH AND
GOVERNED BY THE LAWS OF THE STATE OF NORTH CAROLINA.

     26. Entire  Agreement.  This  Agreement and the  Documents  constitute  the
entire contract between the parties  relative to the subject matter hereof.  Any
previous  agreement  among the parties with respect to the subject matter hereof
is superseded by this  Agreement and the Documents.  Nothing in this  Agreement,
expressed  or  implied,  is  intended  to confer  upon any party  other than the
parties hereto,  any rights,  remedies,  obligations or liabilities  under or by
reason of this Agreement.

     27. No Waiver.  No failure on the part of the Pledgee to  exercise,  and no
delay in exercising,  any right,  power or remedy  hereunder  shall operate as a
waiver  thereof,  nor shall any single or partial  exercise  of any such  right,
power or remedy by such person preclude any other or further exercise thereof or
the exercise of any other right, power or remedy.

     28.  Submission to  Jurisdiction.  (a) The Pledgor hereby  irrevocably  and
unconditionally  submits,  for  itself  and its  property,  to the  nonexclusive
jurisdiction  of any North  Carolina  State court or Federal court of the United
States of America sitting in Charlotte,  North Carolina, and any appellate court
from any thereof, in any action or proceeding arising out of or relating to this
Agreement or the other  Documents,  or for  recognition  or  enforcement  of any
judgment,  and hereby irrevocably and unconditionally  agrees that all claims in
respect of any such action or  proceeding  may be heard and  determined  in such
North Carolina State or, to the extent  permitted by law, in such Federal court.
Each of the parties  hereto  agrees that a final  judgment in any such action or
proceeding  shall be conclusive  and may be enforced in other  jurisdictions  by
suit on the  judgment or in any other  manner  provided by law.  Nothing in this
Agreement  shall affect any right that the Pledgee may  otherwise  have to bring
any action or  proceeding  relating  to this  Agreement  or the other  Documents
against the Pledgor or his properties in the courts of any jurisdiction.

     (b) The Pledgor  hereby  irrevocably  and  unconditionally  waives,  to the
fullest extent it may legally and  effectively do so, any objection which it may
now or hereafter  have to the laying of venue of any suit,  action or proceeding
arising out of or relating to this Agreement or the other Documents in any North
Carolina State court or Federal court of the United States of America sitting in
Charlotte, North Carolina. Each of the parties hereto hereby irrevocably waives,
to the fullest extent permitted by law, the defense of an inconvenient  forum to
the maintenance of such action or proceeding in any such court.





                                     - 33 -

<PAGE>

     (c) Each party to this Agreement irrevocably consents to service of process
in the manner provided for notices in Section 18. Nothing in this Agreement will
affect the right of any party to this  Agreement  to serve  process in any other
manner permitted by law.

     33. NO ORAL  AGREEMENTS.  THIS AGREEMENT AND THE  INSTRUMENTS AND DOCUMENTS
EXECUTED  IN  CONNECTION  HEREWITH  REPRESENT  THE FINAL  AGREEMENT  BETWEEN THE
PARTIES AND MAY NOT BE  CONTRADICTED  BY EVIDENCE OF PRIOR,  CONTEMPORANEOUS  OR
SUBSEQUENT ORAL AGREEMENTS OF THE PARTIES.




                                     - 34 -
<PAGE>

     IN WITNESS  WHEREOF,  Pledgor and Pledgee  have  executed,  or caused to be
executed by their duly  authorized  officers,  this  Agreement as an  instrument
under seal as of the date first above written.

                                               PLEDGEE:


                                               COGENTRIX DELAWARE HOLDINGS, INC.


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











                                               PLEDGOR:


                                               ECOSCIENCE CORPORATION


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





                                     - 35 -

<PAGE>

       EXHIBIT C
            TO
STOCK PURCHASE AGREEMENT


                          REGISTRATION RIGHTS AGREEMENT

     THIS  REGISTRATION  RIGHTS AGREEMENT (the  "Agreement") is made and entered
into as of December ___, 1998 by and among  ECOSCIENCE  CORPORATION,  a Delaware
corporation (the "Company"), and COGENTRIX DELAWARE HOLDINGS, INC. ("CDH").

     This Agreement is made pursuant to the Stock Purchase Agreement dated as of
December 7, 1998 (the "Stock  Purchase  Agreement"),  by and between the Company
and CDH.

     Pursuant to the Stock  Purchase  Agreement,  CDH will  receive  shares (the
"Shares") of common stock,  $.01 par value (the "Common Stock"),  of the Company
on December 31, 1998 (the "Delivery Date").

     In order to induce  CDH to enter  into the Stock  Purchase  Agreement,  the
Company has agreed to provide to CDH and their direct and  indirect  transferees
the  registration  rights  with  respect to the  Registrable  Shares (as defined
below)  set  forth in this  Agreement.  The  execution  of this  Agreement  is a
condition to the closing under the Stock Purchase Agreement.

     In consideration of the foregoing, the parties hereto agree as follows:

     1.   Definitions.

     As used in this Agreement,  the following  capitalized  defined terms shall
have the following meanings:

     "1933 Act" shall mean the  Securities  Act of 1933, as amended from time to
time.

     "1934 Act" shall mean the Securities  Exchange Act of 1934, as amended from
time to time.

     "CDH" shall have the meaning set forth in the preamble.

     "Common Stock" shall have the meaning set forth in the preamble.

     "Company"  shall have the meaning set forth in the  preamble and shall also
include the Company's successors.





                                     - 36 -

<PAGE>

     "Delivery Date" shall have the meaning set forth in the preamble.

     "Holder" shall mean a holder of Registrable Shares.

     "Interested  Persons" shall mean the Holders of Registrable Shares included
within the coverage of the Shelf Registration.

     "Majority  Holders" shall mean the Holders of a majority of the outstanding
Registrable Shares.

     "Person"  shall  mean an  individual,  partnership,  corporation,  trust or
unincorporated organization,  or a government or agency or political subdivision
thereof.

     "Prospectus"   shall  mean  the  prospectus   included  in  a  Registration
Statement,  including any  preliminary  prospectus,  and any such  prospectus as
amended or  supplemented  by any prospectus  supplement,  including a prospectus
supplement  with  respect  to the terms of the  offering  of any  portion of the
Registrable Shares covered by a Shelf Registration  Statement,  and by all other
amendments and  supplements to such  prospectus,  and in each case including all
material incorporated by reference therein.

     "Registrable  Shares"  shall mean (i) the Shares and (ii) any Common  Stock
issued or issuable with respect to the capital  stock  referred to in clause (i)
above  by  way  of  stock  dividend  or  stock  split  or in  connection  with a
combination  of  shares,   recapitalization,   merger,  consolidation  or  other
reorganization; provided, however, that the Shares shall cease to be Registrable
Shares (i) when a Shelf Registration Statement with respect to such Shares shall
have been declared  effective under the 1933 Act and such Shares shall have been
disposed of pursuant to such Shelf Registration Statement, (ii) when such Shares
have been sold to the public  pursuant to Rule 144(k) (or any similar  provision
then in force,  but not Rule 144A)  under the 1933 Act or (iii) when such Shares
shall have ceased to be outstanding.

     "Registration  Expenses"  shall  mean  any and  all  expenses  incident  to
performance  of or  compliance  by the Company  with this  Agreement,  including
without limitation:  (i) all SEC (as defined below),  stock exchange,  automated
quotation   system  or  National   Association  of  Securities   Dealers,   Inc.
registration and filing fees, (ii) all fees and expenses  incurred in connection
with  compliance with state  securities or blue sky laws  (including  reasonable
fees and  disbursements  of counsel for any  Underwriters  (as defined below) in
connection with blue sky qualification of any of the Registrable Shares),  (iii)
all expenses of any Persons retained by the Company in preparing or assisting in
preparing,   word   processing,   printing  and  distributing  any  Registration
Statement,   any  Prospectus,   any  amendments  or  supplements   thereto,  any
underwriting  agreements,   securities  sales  agreements  and  other  documents
relating to the performance of and compliance with this Agreement, (iv) the fees
and  disbursements of counsel for the Company and (v) the fees and disbursements
of the independent public  accountants of the Company and any Person,  including
special experts,  retained by the Company (including the expenses of any special
audits or "cold comfort" letters required by or incident to such performance and
compliance)


                                     - 37 -

<PAGE>

but excluding fees and expenses of counsel to the Underwriters  (other than fees
and  expenses  set forth in clause (ii)  above) or the Holders and  underwriting
discounts and commissions  and transfer  taxes, if any,  relating to the sale or
disposition of Registrable Shares by a Holder.

     "Registration  Statement"  shall  mean any  registration  statement  of the
Company  that  covers  any of the  Shares  pursuant  to the  provisions  of this
Agreement and all amendments and supplements to any such Registration Statement,
including  post-effective  amendments,  in each case  including  the  Prospectus
contained  therein,  all  exhibits  thereto  and all  material  incorporated  by
reference therein.

     "SEC" shall mean the Securities and Exchange Commission.

     "Shelf Registration" shall mean a registration effected pursuant to Section
2(a) hereof on any applicable registration form.

     "Shelf Registration  Statement" shall mean a "shelf" registration statement
of the Company  pursuant to the  provisions  of Section  2(a) of this  Agreement
which covers all of the Registrable Shares on an appropriate form under Rule 415
under the 1933 Act, or any similar  rule that may be adopted by the SEC, and all
amendments  and   supplements   to  such   registration   statement,   including
post-effective  amendments,  in each case  including  the  Prospectus  contained
therein,  all  exhibits  thereto  and all  material  incorporated  by  reference
therein.

     "Stock  Purchase  Agreement"  shall  have  the  meaning  set  forth  in the
preamble.

     "Transfer Agent" shall mean  [                           ] or any successor
transfer agent appointed by the Company.

     "Underwriters" shall have the meaning set forth in Section 3 hereof.

     "Underwritten   Registration"  or  "Underwritten  Offering"  shall  mean  a
registered  offering in which Registrable  Shares are sold to an Underwriter for
reoffering to the public.

     2. Registration Under the 1933 Act.

     (a) As promptly as reasonably possible,  the Company shall prepare and file
with the SEC the Shelf Registration Statement relating to all of the Registrable
Shares.  The Company shall use its commercially  reasonable efforts to (i) cause
such Shelf  Registration  Statement  to be declared  effective by the SEC at the
earliest  practicable  time,  but in no event later than March 16, 1999 and (ii)
keep such Shelf  Registration  Statement  effective until the earlier of (A) the
sale by the  Holders  of all  the  Registrable  Shares  relating  to such  Shelf
Registration  Statement,  (B) the date upon which the Registrable  Shares may be
sold  without  registration  under Rule  144(k)  promulgated  under the 1933 Act
("Rule  144(k))  or (C)  three  years  after  the  date the  Shelf  Registration
Statement is declared  effective;  provided,  however,  that no Holders shall be
entitled to have  Registrable  Shares held by such Holder


                                     - 38 -

<PAGE>

covered  by such Shelf  Registration  Statement  unless the Holder  agrees to be
bound by all of the provisions of this Agreement  applicable to such Holder; and
provided,  further,  that,  if for any  reason  the  effectiveness  of the Shelf
Registration  Statement is  suspended,  the period set forth in clause (B) above
shall be extended by the aggregate number of days of each suspension period.

     The Company  further  agrees to supplement or amend the Shelf  Registration
Statement as required by the rules,  regulations or  instructions  applicable to
the registration form used by the Company for such Shelf Registration  Statement
or by the 1933 Act or by any other rules and  regulations  thereunder  for shelf
registration or if reasonably  requested by a Holder with respect to information
relating  to such  Holder,  the  Company  agrees to  furnish  the  Holder of the
Registrable Shares copies of any such supplement or amendment prior to its being
used and/or filed with the SEC, and to use its commercially  reasonable  efforts
to cause any such  amendment  to become  effective  and such Shelf  Registration
Statement to become usable as soon as practicable thereafter. The Company agrees
to furnish to the Holders of Registrable Shares copies of any such supplement or
amendment promptly after its being used or filed with the SEC.

     (b) The Company shall pay all Registration  Expenses in connection with the
registration  pursuant  to  Section  2(a)  or  (e),  whether  or not it  becomes
effective.  Each Holder shall pay all underwriting discounts and commissions and
transfer  taxes,  if any,  relating to the sale or  disposition of such Holder's
Registrable Shares pursuant to the Shelf Registration Statement.

     (c) A Shelf Registration Statement pursuant to Section 2(a) hereof will not
be deemed to have become effective unless it has been declared  effective by the
SEC;  provided,  however,  that if, after it has been  declared  effective,  the
offering of Registrable  Shares  pursuant to a Shelf  Registration  Statement is
interfered  with by any stop order,  injunction or other order or requirement of
the SEC or any other governmental  agency or court, such Registration  Statement
will be deemed not to have been effective during the period of such interference
until the offering of Registrable Shares pursuant to such Registration Statement
may  legally  resume.  If the  Shelf  Registration  Statement  is  not  declared
effective by the SEC on or prior to March 16,  1999,  each Holder shall have the
right  thereafter  to sell to the Company upon demand and the Company  shall buy
from such Holder on or prior to the third  business  day  following  the date of
such demand, as many Registrable  Shares as such Holder shall elect (but, if the
Note shall have been paid in full when due,  in no event more than the number of
shares that may be sold without the consent of the Company  under  Section 11 of
the Stock Purchase  Agreement) from time to time,  until the Shelf  Registration
Statement  shall have been declared  effective at a purchase  price equal to the
greater  of $4.00 and the  closing  price for the Common  Stock on the  National
Association of Securities  Dealers Automated  Quotations System on the day prior
to such sale.

     (d) Without limiting the remedies available to the Interested Persons,  the
Company  acknowledges  that  any  failure  by the  Company  to  comply  with its
obligations under Section 2(a) hereof may result in material  irreparable injury
to the Interested  Persons for which there


                                     - 39 -

<PAGE>

is no adequate  remedy at law,  that it will not be possible to measure  damages
for such injuries  precisely  and that,  in the event of any such  failure,  the
Interested  Persons may obtain  such  relief as may be required to  specifically
enforce the Company's obligations under Section 2(a).

     (e) Piggyback Registrations

     (i) Right to  Piggyback.  If at any time upon the  earlier to occur of: (i)
after 60 days  subsequent to the termination of the  effectiveness  of the Shelf
Registration Statement effected pursuant to Section 2 prior to the expiration of
the periods  set forth in Section  2(a)(ii),  or (ii) if the Shelf  Registration
Statement has not been declared  effective on or before March 16, 1999,  and the
Company proposes to file a registration  statement under the 1933 Act (except on
Form S-4, Form S-8 or any successor forms  thereto),  whether or not for its own
account  (other than a  registration  effected  pursuant to Section 2.a hereof),
then the Company shall give written notice of such proposed filing to Holders at
least  thirty  days  before  the  anticipated  effective  date  (the  "Piggyback
Notice").  The  Piggyback  Notice  shall offer such holders the  opportunity  to
register such amount of  Registerable  Shares as each such holder may request (a
"Piggyback Registration"). Any such request shall be made by the Holder no later
than 10 days after receipt of the Piggyback Notice.  Subject to Section 2(e)(ii)
hereof,  the  Company  shall  include in each such  Piggyback  Registration  all
Registrable  Shares  requested  to be  included  in the  registration  for  such
offering.  The holders of Registrable  Shares shall be permitted to withdraw all
or part of the  Registrable  Shares  from a Piggyback  Registration  at any time
prior to the effective date of such Piggyback Registration.

     (ii) Priority on Piggyback  Registrations.  Subject to any rights that have
been  granted to security  holders of the Company  prior to the date hereof (the
"Prior Rights"). The Company shall cause the managing underwriters of a proposed
underwritten  offering to permit holders of Registrable  Shares  requested to be
included in the  registration  for such offering to include all such Registrable
Shares on the same terms and  conditions as any similar  securities,  if any, of
the  Company  or any  selling  security  holder  included.  Notwithstanding  the
foregoing, if the managing underwriters of such underwritten offering determines
in good  faith  that the total  number of  securities  that  such  Holders,  the
Company, and any other person having rights to participate in such registration,
propose to include  in such  offering  is such as to  materially  and  adversely
affect the success of such offering,  then,  subject to the Prior Rights, (x) if
such Piggyback  Registration is a primary registration on behalf of the Company,
the securities to be offered (i) for the account of all such other persons shall
be reduced or limited pro rata in proportion to the respective dollar amounts of
securities  owned  to the  extent  necessary  to  reduce  the  total  number  of
securities  to be included in such  offering to the amount  recommended  by such
managing underwriters, and (y) if such Piggyback Registration is an underwritten
secondary  registration  on behalf of the holders of  securities of the Company,
the Company shall include in such registration: (A) first, up to the full number
of securities of such persons exercising  "demand"  registration  rights that in
the opinion of such  underwriter  can be sold  (allocated  among such holders as
they may so  determine),  and (B) second,  the number of securities  included in
such registration  pursuant to this Section 2.2 in excess of the securities such
persons exercising


                                     - 40 -

<PAGE>

"demand"  registration  rights  proposed  to sell that,  in the  opinion of such
managing  underwriter,  can be sold  (allocated  pro  rata on the  basis  of the
aggregate  dollar amount of securities  requested to be included  therein).  The
rights  granted  under this  Section 2(e) may only be exercised by a Holder in a
non-underwritten  offering,  if Rule 144(k) (or any successor  rule) is not then
available for the sale of the Holder's Registrable Shares.

     3. Registration Procedures

     In connection with the obligations of the Company with respect to the Shelf
Registration  Statement  pursuant to Section 2(a) hereof,  the Company  shall as
soon as reasonably possible:

     (a) prepare  and file with the SEC a Shelf  Registration  Statement  on the
appropriate  form under the 1933 Act,  which form (x) shall be  selected  by the
Company and (y) shall be available for the sale of the Registrable Shares by the
selling Holders thereof, and which Shelf Registration  Statement shall comply as
to form in all material  respects with the  requirements  of the applicable form
and include all financial  statements by the SEC to be filed therewith,  and the
Company  shall  use  commercially   reasonable   efforts  to  cause  such  Shelf
Registration  Statement to become  effective and remain  effective in accordance
with Section 2 hereof, and upon the occurrence of any event that would cause any
such Shelf  Registration  Statement or the Prospectus  contained  therein (A) to
contain a material  misstatement  or  omission  or (B) not to be  effective  and
usable  during the period  required by this  Agreement,  the Company  shall file
promptly an appropriate amendment to such Shelf Registration  Statement,  in the
case of clause (A),  correcting any such  misstatement or omission,  and, in the
case of either  clause (A) or (B), use its best efforts to cause such  amendment
to be declared effective and such Shelf  Registration  Statement and the related
Prospectus to become usable for their intended purpose(s) as soon as practicable
thereafter;

     (b)  prepare  and  file  with the SEC such  amendments  and  post-effective
amendments to the Shelf Registration  Statement as may be necessary to keep such
Registration  Statement  effective  for the  applicable  period  and cause  each
Prospectus to be supplemented by any required  prospectus  supplement and, as so
supplemented,  to be filed  pursuant  to Rule 424 under the 1933 Act and to keep
each Prospectus  current during the period described under Section 4(3) and Rule
174 under the 1933 Act that is applicable to  transactions by brokers or dealers
with respect to the Registrable Shares;

     (c)  furnish  to the  Interested  Persons,  and to each  Underwriter  of an
Underwritten  Offering of Registrable  Shares,  if any, without charge,  as many
copies,  which copies may be  photocopies,  of each  Prospectus,  including each
preliminary  Prospectus,  and any amendment or supplement thereto and such other
documents as such Interested Persons or Underwriter may reasonably  request,  in
order to  facilitate  the public sale or other  disposition  of the  Registrable
Shares; and the Company consents to the use of such Prospectus and any amendment
or  supplement  thereto  in  accordance  with  applicable  law  by  each  of the
Interested Persons and any such Underwriters in connection with the offering and
sale of the  Registrable  Shares covered by and in the manner  described in such
Prospectus or any amendment or supplement  thereto in accordance with applicable
law;


                                     - 41 -

<PAGE>

     (d) use its commercially  reasonable efforts to register or qualify, by the
time the Shelf  Registration  Statement  is declared  effective  by the SEC, the
Registrable  Shares under all applicable  state securities or "blue sky" laws of
such  jurisdictions  in which any Holder of  Registrable  Shares  covered by the
Shelf Registration  Statement reasonably requests, to cooperate with such Holder
in connection with any filings required to be made with the National Association
of Securities  Dealers,  Inc. and do any and all other acts and things which may
be  reasonably  necessary or advisable to enable such Holder to  consummate  the
disposition in each such  jurisdiction of such Registrable  Shares owned by such
Holder; provided, however, that the Company shall not be required to (i) qualify
as a foreign  corporation or as a dealer in securities in any jurisdiction where
it would not  otherwise be required to qualify but for this Section  3(d),  (ii)
file any  general  consent to service  of  process  or (iii)  subject  itself to
taxation in any such jurisdiction if it is not otherwise so subject;

     (e) notify the Interested  Persons promptly and, if requested by any of the
Interested Persons, confirm such advice in writing (i) when a Shelf Registration
Statement has become effective and when any post-effective amendment thereto has
been filed and  becomes  effective,  (ii) of any request by the SEC or any state
securities  authority for amendments and  supplements to the Shelf  Registration
Statement  and  Prospectus  or  for  additional   information  after  the  Shelf
Registration Statement his become effective, (iii) of the issuance by the SEC or
any state securities authority of any stop order suspending the effectiveness of
the Shelf  Registration  Statement or the initiation of any proceedings for that
purpose, (iv) if, between the effective date of the Shelf Registration Statement
and  the  closing  of any  sale  of  Registrable  Shares  covered  thereby,  the
representations  and  warranties  of the Company  contained in any  underwriting
agreement,  securities  sales  agreement  or other  similar  agreement,  if any,
relating to the offering  cease to be true and correct in all material or if the
Company  receives  any  notification  with  respect  to  the  suspension  of the
qualification  of the  Registrable  Shares for sale in any  jurisdiction  or the
initiation of any proceeding for such purpose, (v) of the happening of any event
or existence of any fact during the period the Shelf  Registration  Statement is
effective which any statement made in such Shelf  Registration  Statement or the
related  Prospectus  untrue in any material respect or which requires the making
of any changes in such Shelf  Registration  Statement or  Prospectus in order to
make the statements  therein not misleading and (vi) of any determination by the
Company  that a  post-effective  amendment to the Shelf  Registration  Statement
would be appropriate;

     (f) make every  commercially  reasonable effort to obtain the withdrawal of
any order suspending the  effectiveness of the Shelf  Registration  Statement at
the earliest  possible  moment and provide  immediate  notice to the  Interested
Persons of the withdrawal of any such order;

     (g)  furnish  to the  Interested  Persons,  without  charge,  at least  one
conformed  copy of the  Shelf  Registration  Statement  and  any  post-effective
amendment  thereto  (without  documents  incorporated  therein by  reference  or
exhibits thereto, unless requested);



                                     - 42 -

<PAGE>

     (h)  cooperate  with  the  Interested  Persons  to  facilitate  the  timely
preparation and delivery of certificates  representing  Registrable Shares to be
sold and not bearing any restrictive  legends and enable such Registrable Shares
to be in such  denominations  (consistent with the provisions of the Certificate
of  Incorporation)  and  registered in such names as the Holders may  reasonably
request  at  least  two  business  days  prior  to the  closing  of any  sale of
Registrable Shares;

     (i) upon the  occurrence  of any  event  contemplated  by  Section  3(e)(v)
hereof,  use its  commercially  reasonable  efforts to prepare a  supplement  or
post-effective  amendment  to the Shelf  Registration  Statement  or the related
Prospectus or any document  incorporated  therein by reference or file any other
required  document so that,  as  thereafter  delivered to the  purchasers of the
Registrable  Shares,  such Prospectus will not contain any untrue statement of a
material fact or omit to state a material fact  necessary to make the statements
therein,  in  light  of the  circumstances  under  which  they  were  made,  not
misleading.  The Company agrees to notify the  Interested  Persons to use of the
Prospectus as promptly as practicable after the occurrence of such an event, and
the Holders hereby agree to suspend use of the Prospectus  until the Company has
amended or supplemented Prospectus to correct such misstatement or omission;

     (j) within a reasonable time prior to the filing of the Shelf  Registration
Statement, any Prospectus,  any amendment to the Shelf Registration Statement or
amendment  or  supplement  to a  Prospectus  or  any  document  which  is  to be
incorporated  by reference  into the Shelf  Registration  Statement  (except the
Company's filing under the 1934 Act) or a Prospectus after initial filing of the
Shelf Registration Statement, provide copies of such document to the Persons and
make such representatives of the Company as shall be reasonably requested by the
Interested Persons available for discussion of such document;

     (k) make available for inspection by one  representative  of the Interested
Persons, any Underwriter participating in any disposition pursuant to such Shelf
Registration Statement, and accountants designated by the Interested Persons, at
reasonable times and in reasonable manner, all financial and records,  pertinent
documents and properties of the Company (collectively,  "Records"),  as shall be
reasonably  necessary to enable them to exercise any  applicable  due  diligence
responsibilities, and cause the officers, directors and employees of the Company
to supply  all  information  reasonably  requested  by any such  representative,
Underwriter,  attorney or  accountant in  connection  with a Shelf  Registration
Statement.   Records  which  the  Company  determines,  in  good  faith,  to  be
confidential and any Records which it notifies any representative of the Holders
or any  Underwriter  as  confidential  shall not be disclosed  by such  persons,
unless (f) the  disclosure  of such  Records is  necessary to avoid or correct a
misstatement or omission in such Shelf Registration Statement,  (ii) the release
of such  Records is ordered  pursuant  to a subpoena  from a court of  competent
jurisdiction  or (iii) the  information  in such Records has generally been made
available to the public.  Each Holder will be required to agree that information
obtained by it as a result of such inspections shall be deemed  confidential and
shall  not be  used  by it as the  basis  for  any  market  transactions  in the
securities of the Company  unless and until such  information  is made generally
available to the public.  Each Holder will be required to further  agree that it
will,  upon  learning  that  disclosure  of such Records is sought in a court of
competent


                                     - 43 -

<PAGE>

jurisdiction,  give notice to the  Company  and allow the  Company to  undertake
appropriate action to prevent disclosure of the confidential at its expense;

     (l) use its commercially reasonably efforts to cause all Registrable Shares
to be  listed  or  quoted,  as  applicable  on any  securities  exchange  or any
automated quotation system on which similar securities issued by the Company are
then listed or quoted to the extent such Registrable  Shares satisfy  applicable
listing or quotation requirements;

     (m) if reasonably  requested by any Holder of Registrable Shares covered by
a Registration Statement, (i) promptly incorporate in a Prospectus Supplement or
post-effective  amendment such  information  with respect to such Holder as such
Holder reasonably  requests to be included and (ii) make all required filings of
such  Prospectus  supplement  or such  post-effective  amendment  as soon as the
Company has  received  notification  of the matters to be  incorporated  in such
filing;  provided,  however,  that if such Holder requests that the Company make
such amendment or supplement  because such Holder  provided  misleading or false
information  to the  Company,  such Holder shall bear all the costs and expenses
related to such amendment or supplement; and

     (n) in  connection  with  an  Underwritten  Offering  pursuant  to a  Shelf
Registration  Statement,  take all actions as are  reasonably  requested  by the
managing  Underwriter in order to facilitate the  disposition of the Registrable
Shares, and in such connection,  (i) make such representations and warranties to
the Holders and any Underwriters of such Registrable  Shares with respect to the
business  of the  Company  and its  subsidiaries,  the  Registration  Statement,
Prospectus and documents  incorporated  by reference or deemed  incorporated  by
reference, if any, in each case, in form, substance and scope as are customarily
made by issuers to Underwriters  in underwritten  offerings and confirm the same
if and when  requested,  (ii) obtain  opinions of counsel to the Company  (which
counsel  and  opinions,  in form,  scope  and  substance,  shall  be  reasonably
satisfactory to the Holders and such Underwriters and its counsel)  addressed to
each  Holder  and  Underwriter  of  Registrable  Shares,  covering  the  matters
customarily  covered in opinions  requested  in  underwritten  offerings,  (iii)
obtain "cold comfort" letters from the independent  certified public accountants
of the Company (and, if applicable, any other certified public accountant of any
business  acquired by the Company for which  financial  statements and financial
data are or are required to be included in the Registration Statement) addressed
to each Holder and  Underwriter  of  Registrable  Shares,  such letters to be in
customary  form and covering  matters of the type  customarily  covered in "cold
comfort"  letters in connection with  underwritten  offerings,  and (iv) deliver
such documents and certificates as may be reasonably requested by the Holders of
a majority  in  principal  amount of the  Registrable  Shares  being sold or the
Underwriters,  and which are customarily delivered in underwritten offerings, to
evidence the continued  validity of the  representations  and  warranties of the
Company made  pursuant to clause (i) above and to evidence  compliance  with any
customary conditions contained in an underwriting agreement.

     The Company may require each Holder of Registrable Shares to furnish to the
Company such information  regarding the Holder and the proposed  distribution by
such  Holder of such  Registrable  Shares as the  Company  may from time to time
reasonably


                                     - 44 -

<PAGE>

request in writing.  The Company may exclude from a  Registration  Statement the
Registrable  Shares of any  Holder  who fails to  furnish  such  information  in
writing to the  Company  within 20 business  days (or such longer  period if the
Company agrees in writing) after the Company mails such request.  Each Holder of
Registrable  Shares  included  within the coverage of any  Registered  Statement
agrees to furnish promptly to the Company all information required by applicable
law to be disclosed by such Holder in order to make the  information  previously
to the Company not misleading.

     Each Holder  agrees  that,  upon  receipt of any notice from the Company (a
"Suspension  Notice") of the  happening  of any event of the kind  described  in
Section  3(e) (iii),  (iv),  (v) or (vi)  hereof,  such  Holder  will  forthwith
discontinue disposition of Registrable Shares pursuant to the Shelf Registration
Statement  until such  Holder's  receipt of the  copies of the  supplemented  or
amended Prospectus  contemplated by Section 3(i) hereof,  and, if so directed by
the Company, such Holder will deliver to the Company (at its expense) all copies
in it  possession,  other  than  permanent  file  copies  then in such  Holder's
possession,  of the Prospectus  covering such registrable  Shares current at the
time of receipt  of the  Suspension  Notice or until  such  Holder is advised in
writing (the "Advice") by the Company that the use of the applicable  prospectus
may be  resumed,  and has  received  copies  of any  amendments  or  supplements
thereto.  If the Company shall give a Suspension  Notice to the  disposition  of
Registrable  Shares pursuant to the Shelf  Registration  Statement,  the Company
shall extend the period during which the Shelf  Registration  Statement shall be
maintained effective pursuant to this Agreement by the number of days during the
period from and including the date of the giving of the Suspension Notice to and
including  the  date  when  the  Holders  shall  have  received  copies  of  the
supplemented or amended Prospectus  necessary to resume such dispositions or the
Advice.

     The Holders of Registrable Shares covered by a Shelf Registration Statement
who  desire  to do so  may  sell  such  Registrable  Shares  in an  Underwritten
Offering. In any such Underwritten Offering, the investment banker or investment
bankers and manager or managers (the  "Underwriters")  that will  administer the
offering  will be selected by the  Majority  Holders of the  Registrable  Shares
included in such offering and shall be reasonably acceptable to the Company.

     No Holder may participate in an Underwritten Offering hereunder unless such
Holder (a) agrees to sell such Holder's Registrable Shares on the basis provided
in any underwriting  arrangements  approved by the persons or entities  entitled
hereunder  to approve  such  arrangements  and (b)  completes  and  executes all
questionnaires,  powers of attorney,  indemnities,  underwriting  agreements and
other documents required under the terms of such underwriting arrangements.

     4. Indemnification and Contribution.

     (a) In connection with a Shelf Registration  Statement,  the Company agrees
to indemnify and hold harmless (i) each Holder of Registrable Shares included in
such Shelf  Registration  Statement,  (ii) each Person, if any, who controls any
such Holder  within the meaning of either  Section 15 of the 1933 Act or Section
20 of the 1934 Act, or is under


                                     - 45 -

<PAGE>

common  control  with,  or is  controlled  by any  such  Holder  and  (iii)  the
respective officers, directors, partners, employees,  representatives and agents
of any Holder or any controlling  person (any person referred to in clauses (i),
(ii) or (iii), an "Indemnified  Party"), from and against, to the fullest extent
lawful,  all  losses,  claims,  damages,   judgments,   actions,   expenses  and
liabilities  (including,   without  limitation,  any  legal  or  other  expenses
reasonably  incurred by any  Indemnified  Party in connection  with defending or
investigating  any such  action or claim),  to which any  Indemnified  Party may
subject,  under the 1933 Act or  otherwise,  insofar  as any such  loss,  claim,
damage,  judgments,  actions,  expenses or liability  is directly or  indirectly
caused by,  related to, based upon,  arising out of in  connection  with (i) any
untrue statement or alleged untrue statement of a material fact contained in the
Shelf  Registration  Statement  (or any  amendment  thereto)  pursuant  to which
Registrable  Shares were registered under the 1933 Act,  including all documents
incorporated  therein by  reference,  (ii) any  omission or alleged  omission to
state therein a material fact required to be stated therein or necessary to make
the  statements  therein not  misleading,  or caused by any untrue  statement or
alleged  untrue  statement of a material fact  contained in any  Prospectus  (as
amended or  supplemented if the Company shall have any amendments or supplements
thereto),  or (iii) any omission or alleged omission to state therein a material
fact  necessary  to make the  statements  therein in light of the  circumstances
under  which  they were made not  misleading,  except  insofar  as such  losses,
claims, damages,  judgments,  actions, expenses or liabilities are caused by any
such  untrue  statement  or  omission  or alleged  untrue  statement  or alleged
omission based upon and in conformity with information relating to an Interested
Persons furnished to the Company in writing by the Interested Persons, expressly
for use therein.  This indemnity  agreement will be in addition to any liability
that the  Company  may  otherwise  have.  In  connection  with any  Underwritten
Offering  permitted  by  Section  3 of this  Agreement,  the  Company  will also
indemnify  the  Underwriters,  if any,  selling  brokers,  dealers  and  similar
securities  industry  professionals  participating  in the  distribution,  their
officers and  directors  and each Person who controls  such Persons  (within the
meaning of the 1933 Act and the 1934 Act) to the same extent as  provided  above
with respect to the  indemnification  of the Indemnified  Party, if requested in
connection with any Registration Statement.

     (b) Each Holder  agrees,  severally and not jointly,  to indemnify and hold
harmless the Company, the Interested Persons,  each Person, if any, who controls
the Company or any such  Interested  Person within the meaning of either Section
15 of the 1933 Act or Section  20 of the 1934 Act,  or is under  common  control
with, or is controlled by the Company or any such Interested  Person and each of
their  directors,  officers and  employees  to the same extent as the  foregoing
indemnity from the Company to the Interested Persons, but only with reference to
information  relating to such Holder furnished to the Company in writing by such
Holder expressly for use in the Shelf  Registration  Statement (or any amendment
thereto) or any Prospectus (or any amendment or supplement thereto). In no event
shall the  liability of any selling  Holder  hereunder be greater in amount than
the dollar  amount of the proceeds  received by such Holder upon the sale of the
Registrable Shares giving rise to such indemnification obligation.

     (c)  In  case  any  action  or  proceeding   (including  any   governmental
investigation or proceeding) shall be brought,  asserted or instituted involving
any  Person in  respect  of


                                     - 46 -

<PAGE>

which indemnity may be sought pursuant to either  paragraph (a) or paragraph (b)
above,  such the Indemnified Party shall promptly notify the Person against whom
such  indemnity may be sought (the  "indemnifying  party") in writing;  provided
however,  that the failure to notify the indemnifying party shall not relieve it
of any  liability  which it may have under  this  Section 5 except to the extent
that the  indemnifying  party did not otherwise  learn of such action and it has
been prejudiced by such failure.  The  indemnifying  party,  upon request of the
Indemnified  Party,   shall  retain  counsel  reasonably   satisfactory  to  the
Indemnified  Party  to  represent  the  Indemnified  Party  and any  others  the
indemnifying party may reasonably designate in such proceeding and shall pay the
reasonable fees and disbursements of such counsel related to such proceeding. If
any such claim or action shall be brought against an Indemnified  Party,  and it
shall have notified the  indemnifying  party,  the  indemnifying  party shall be
entitled to participate therein and, to the extent that it wishes,  jointly with
any other similar notified  indemnified  party, to assume the defense of thereof
with counsel  reasonably  satisfactory to be the Indemnified  Party. In any such
proceeding,  any  Indemnified  Party  shall  have the  right to  retain  its own
counsel,  but the fees and expenses of such  counsel  shall be at the expense of
such Indemnified  Party unless (i) the  indemnifying  party has failed to assume
the defense on behalf of Indemnified  Party, (ii) the indemnifying party and the
Indemnified Party shall have mutually agreed to the retention of such counsel or
(iii) the named parties to any such proceeding (including any impleaded parties)
include both the indemnifying party and the Indemnified Party and representation
of both  parties by the same  counsel  would be  inappropriate  due to actual or
potential   differing   interests  between  them.  It  is  understood  that  the
indemnifying  party  shall not, in  connection  with any  proceeding  or related
proceedings  in the same  jurisdiction,  be liable for the fees and  expenses of
more than one separate counsel (in addition to any local counsel)  designated in
writing  by  a  majority  of  the   Holders  of   Registrable   Shares   seeking
indemnification,  if more than one Holder is an Indemnified  Party,  as the case
may be, and that all such  reasonable  fees and expenses  shall be reimbursed as
they are incurred. The indemnifying party shall not be liable for any settlement
of any proceeding effected without its written consent but, if settled with such
consent or if there be a final  judgment  for the  plaintiff,  the  indemnifying
party agrees to  indemnify  the  Indemnified  Party from and against any loss or
liability by reason of such settlement or judgment. No indemnifying party shall,
without  the  prior  written  consent  of  the  Indemnified  Party,  effect  any
settlement  of any  pending or  threatened  proceeding  in respect of which such
Indemnified  Party is or could have been a party and  indemnity  could have been
sought hereunder by such Indemnified Party,  unless such settlement  includes an
unconditional  release of such  Indemnified  Party from all  liability on claims
that are the subject matter of such  proceeding.  Notwithstanding  the foregoing
sentence,  if  at  any  time  an  Indemnified  Party  shall  have  requested  an
indemnifying  party to reimburse the Indemnified  Party for fees and expenses of
counsel as contemplated by the second and third sentences of this paragraph, the
Indemnified  Party may settle any proceeding  without the written consent of the
indemnifying  party, if the  indemnifying  party has not agreed to indemnify the
Indemnified  Party pursuant to this paragraph within 60 days of such request for
indemnification from the Indemnified Party.

     (d) If the  indemnification  provided for in paragraph (a) or paragraph (b)
of this Section 4 is  unavailable  to an Indemnified  Party or  insufficient  in
respect of any  losses,  claims,  damages,  expenses or  liabilities,  then each
applicable indemnifying party under such


                                     - 47 -

<PAGE>

paragraph,  in lieu of indemnifying  such Indemnified  Party  thereunder,  shall
contribute to the amount paid or payable by such  Indemnified  Party as a result
of such losses, claims,  damages,  expenses or liabilities in such proportion as
is  appropriate  to reflect  the  relative  fault of the  indemnifying  party or
parties on the one hand of the Indemnified Party or parties on the other hand in
connection  with the  statements  or  omissions  that  resulted in such  losses,
claims,  damages,  expenses  or  liabilities,  as  well  as any  other  relevant
equitable  considerations.  The  relative  fault of the  Company and the Holders
shall be determined  by reference to, among other things,  whether the untrue or
alleged untrue  statement of a material fact or the omission or alleged omission
to state a material  fact relates to  information  supplied by the Company or by
the Holders and the parties' relative intent,  knowledge,  access to information
and  opportunity to correct or prevent such statement or omission.  The Holders'
obligations  to  contribute  pursuant  to  this  Section  5(d)  are  several  in
proportion  to the  number  of  Registrable  Shares  of such  Holder  that  were
registered pursuant to a Registration Statement.

     (e) Company and each Holder agree that it would not be just or equitable if
contribution  pursuant to this Section 4 were  determined by pro rata allocation
or by any other method of allocation that does not take account of the equitable
considerations referred to in paragraph (d) above. The amount paid or payable by
an Indemnified Party as a result of the losses,  claims, damages and liabilities
referred to in  paragraph  (d) above shall be deemed to include,  subject to the
limitations set forth above, any legal or other expenses  reasonably incurred by
such  Indemnified  Party in connection with  investigating or defending any such
action or claim.  Notwithstanding  the  provisions  of this Section 4, no Holder
shall be required to contribute  any amount in excess of the amount by which the
total price at which  Registrable  Shares  were sold by such Holder  exceeds the
amount of any damages  that such Holder has  otherwise  been  required to pay by
reason of such  untrue or  alleged  untrue  statement  or  omission  or  alleged
omission. No Person guilty of fraudulent  misrepresentation  (within the meaning
of Section  11(f) of the 1933 Act) shall be  entitled to  contribution  from any
Person who was not guilty of such  fraudulent  misrepresentation.  The  remedies
provided for in this Section 4 are not  exclusive and shall not limit any rights
or remedies which may otherwise be available to any Indemnified  Party at law or
in equity. The Holder's  obligations to contribute pursuant to this Section 5(e)
are  several  in  proportion  to the  respective  amount of  Registrable  Shares
registered by each of the Holders and not jointly.

     (f) Survival.  The indemnity and contribution  provisions contained in this
Section 4 shall remain operative and in full force and effect  regardless of (i)
any termination of this Agreement,  (ii) any investigation  made by or on behalf
of the Interested Persons or any person controlling the Interested  Persons,  or
by or on  behalf  of the  Company,  its  officers  or  directors  or any  Person
controlling  the Company,  and (iii) any sale of Registrable  Shares pursuant to
the Shelf Registration Statement.

     (a) No Inconsistent Agreements. The Company has not entered into, and on or
after the date of this  Agreement  will not enter into,  any agreement  which is
inconsistent  with the rights  granted to the Holders of  Registrable  Shares in
this Agreement or otherwise  conflicts with the  provisions  hereof.  The rights
granted to the Holders  hereunder  do not in


                                     - 48 -

<PAGE>

any way conflict with and are not  inconsistent  with the rights  granted to the
holders of the Company's other issued and outstanding  securities under any such
agreements.

     (b) Amendments and Waivers. The provisions of this Agreement, including the
provisions of this sentence,  may not be amended,  modified or  supplemented,  a
waivers or consents to departures  from the provisions  hereof may not be given,
unless the Company  has  obtained  the written  consent of Holders of at least a
majority of the  outstanding  Registrable  Shares  affected  by such  amendment,
modification,   supplement,   waiver  or  consent;  provided  however,  that  no
amendment,  modification,  supplement,  waiver or consents to any departure from
the  provisions  of Section 4 hereof shall be effective as against any Holder of
Registrable Shares unless consented to in writing by such Holder.

     (c) Notices. All notices and other communications provided for or permitted
hereunder  shall be made in writing  by  hand-delivery,  registered  first-class
mail, telex,  telecopier,  or any courier guaranteeing overnight delivery (i) if
to a Holder,  at the most current address given by such Holder to the Company by
means of a notice given in accordance  with the provisions of this Section 5(c),
which  address  initially is as set forth on Schedule A, (ii) if to the Company,
initially  at 10 Alvin  Court,  East  Brunswick,  New Jersey  08816,  Attention:
Michael A.  DeGiglio,  President,  with a copy to  Giordano,  Halleran & Ciesla,
D.C., 125 Half Mile Road, P.O. Box 190, Middletown New Jersey 07747,  Attention:
Philip D. Forlenza,  and  thereafter at such other  address,  notice of which is
given in accordance with the provisions of this Section 5(c).

     All such  notices  and  communications  shall be  deemed  to have been duly
given:  at the time  delivered by hand, if personally  delivered;  five business
days after  being  deposited  in the mail,  postage  prepaid,  if  mailed;  when
answered back, if telexed; when receipt is acknowledged,  if telecopied;  and on
the next  business  day,  if timely  delivered  to an air  courier  guaranteeing
overnight delivery.

     (d)  Successors and Assigns.  This Agreement  shall inure to the benefit of
and be binding  upon the  successors,  assigns  and  transferees  of each of the
parties,  including,  without  limitation  and  without  the need for an express
assignment,  subsequent Holders; provided that nothing herein shall be deemed to
permit any assignment,  transfer or other  disposition of Registrable  Shares in
violation of the terms of the Stock Purchase Agreement. If any transferee of any
Holder shall acquire Registrable Shares, in any manner,  whether by operation of
law or otherwise,  such  Registrable  Shares shall be held subject to all of the
terms of this Agreement,  and by taking and holding such Registrable Shares such
person shall be conclusively deemed to have to be bound by and to perform all of
the terms and  provisions of this Agreement and such person shall be entitled to
receive benefits hereof.

     (e) Counterparts.  This Agreement may be executed manually or by telecopier
in any number of counterparts, each of which when so executed shall be deemed to
be an original and all of which taken together shall constitute one and the same
agreement.

     (f)  Headings.  The  headings  in this  Agreement  are for  convenience  of
reference only and shall not limit or otherwise affect the meaning hereof.



                                     - 49 -

<PAGE>

     (g)  Governing  Law. THIS  AGREEMENT  SHALL BE GOVERNED BY AND CONSTRUED IN
ACCORDANCE WITH THE INTERNAL LAWS OF THE STATE OF NORTH CAROLINA, WITHOUT REGARD
TO THE CONFLICT OF LAW RULES THEREOF.

     (h)  Severability.  In the  event  that  any one or more of the  provisions
contained  herein,  or the  application  thereof  in any  circumstance,  is held
invalid, illegal or unenforceable,  the validity, legality and enforceability of
any such  provision  in every  other  respect  and of the  remaining  provisions
contained herein shall not be affected or impaired thereby.

     (i) Entire  Agreement.  This  Agreement  (together  with the Stock Purchase
Agreement) is intended by the parties as a final  expression of their  agreement
and  intended to be a complete and  exclusive  statement  of the  agreement  and
understanding  of the parties hereto in respect of the subject matter  contained
herein. Them are no restrictions,  promises,  warranties or undertakings,  other
than those set forth or  referred  to herein (or  therein)  with  respect to the
registration  rights  granted by the  Company  with  respect to the  Registrable
Shares.  This  Agreement  supersedes  all prior  agreements  and  understandings
between the parties with respect to such subject matter.






                                     - 50 -

<PAGE>

     IN WITNESS WHEREOF, the parties have executed this Agreement as of the date
first written above.


                                       ECOSCIENCE CORPORATION


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


                                       COGENTRIX DELAWARE
                                       HOLDINGS, INC.


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






                                     - 51 -


                                                           FOR IMMEDIATE RELEASE

For further information contact:

Michael A. DeGiglio
President & CEO
EcoScience Corporation
Phone:  732-432-8200

Laurence Hirschhorn / Steven Anreder
Anreder Hirschhorn Silver and Company
Phone: 212-532-3232

                     ECOSCIENCE AND COGENTRIX AGREE ON SALE
                 OF MINORITY PARTNERSHIP INTERESTS TO ECOSCIENCE

EAST BRUNSWICK,  NJ, December 11, 1998 - EcoScience  Corporation (NASDAQ:  ECSC)
today reported it had signed a Definitive Agreement to purchase all of Cogentrix
Energy Inc.'s  interests in four greenhouse  operations in which  EcoScience and
Cogentrix are partners  (Village  Farms of Texas LP,  Village Farms of Marfa LP,
Village  Farms of Buffalo LP and Village  Farms of Pocono LP),  and to terminate
Cogentrix's right of first option agreement to participate in new projects.

Pursuant to the  Agreement,  EcoScience  will acquire from  Cogentrix all of the
outstanding  capital stock of each of Cogentrix of Buffalo,  Inc.,  Cogentrix of
Fort Davis I, Inc., Cogentrix Greenhouse Investments,  Inc., Cogentrix of Marfa,
Inc.  and  Cogentrix of Pocono,  Inc.  (the  "Companies")  in  consideration  of
1,000,000 shares of EcoScience  common stock; and a $20,600,000  promissory note
bearing  interest at the rate of 11.25% per annum which shall be due and payable
on March  15,  1999,  and which  shall be  secured,  along  with  certain  other
obligations to Cogentrix, by the outstanding shares of

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Agro Power Development,  Inc. (APD) and the stock of the Companies.  The Company
agreed to register  the  EcoScience  stock by March 15, 1999 and in the event it
fails to timely do so,  will be  required,  at the  election  of  Cogentrix,  to
repurchase the  EcoScience  stock from Cogentrix at a price equal to the greater
of $4.00 or the Market  Price the day prior to the sale.  Sales of the stock are
subject to a holding period as follows:

          As of March 16, 1999,  no more than 250,000  shares may be sold and as
          of June 30, 1999,  no more than a cumulative  aggregate of 500,000 may
          be sold.

The closing date for the  purchase of the  Cogentrix  interest is scheduled  for
December 31, 1998 or earlier, barring any potential regulatory delays.

EcoScience has retained an investment  advisor to assist the Company in securing
financing to fund the repayment of the promissory  note to Cogentrix and to help
the Company raise additional working capital.

EcoScience is the leading  domestic  producer,  marketer and distributor of high
value,  premium  quality  greenhouse  grown fresh  produce,  using  advanced and
environmentally   sound   technology  to  provide  the  consumer  with  tastier,
healthier, more appealing fresh fruits and vegetables. The company is preeminent
in the design,  marketing and distribution of greenhouse growing and postharvest
systems and  products,  while  continuing  to develop  biological  products  for
application in agricultural and sensitive use environments.

In terms of total  acreage  controlled  by a single  entity,  EcoScience  is the
largest producer of premium

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quality, greenhouse grown tomatoes in the U.S., which it sells, along with other
fresh vegetables,  under its Village Farms(R) and Home Choice(TM) brand names to
retail supermarkets and dedicated wholesale  distribution  companies  throughout
the U.S.

It  operates  eight  large  greenhouse  facilities  in the U.S.,  including  one
currently under  construction  and has other marketing  agreements in place with
other growers in the United States, Mexico, Morocco and the Netherlands.

Cogentrix Energy, Inc., headquartered in Charlotte, NC, acquires, develops, owns
and operates electric generation and other power assets in the United States and
internationally.

This press release  contains  forward looking  statements,  including those that
relate to the combined  company.  Results are subject to risks and uncertainties
that could cause actual results to differ  materially  from the statements  made
herein. These risks and uncertainties have been included in EcoScience's filings
with the Securities and Exchange Commission.  Investors are encouraged to review
EcoScience's Proxy Statements regarding the merged entities,  the Company's Form
10-K and Forms 10-Q and other  documents  filed with the Securities and Exchange
Commission  for  a  more  complete  discussion  of  factors  that  could  affect
EcoScience's performance.




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