DEBT RESTRUCTURE AND EQUITY REORGANIZATION COMPREHENSIVE AGREEMENT

                   DEBT RESTRUCTURE AND EQUITY REORGANIZATION
                             COMPREHENSIVE AGREEMENT
                                  BY AND AMONG
                          GREEN SHIELD MANAGEMENT CO.,
                               ES HORIZONS, INC.,
                                       AND
                           NEWMARKET TECHNOLOGY, INC.


This  Comprehensive  Debt  Restructure  and  Equity   Reorganization   Agreement
("Agreement") is entered into by and among NewMarket Technology,  Inc., a Nevada
Corporation ("NMKT"),  Green Shield Management Co. ("GS") and ES Horizons, Inc.,
a Nevada  corporation  ("ES")  as of the last  date  written  below  ("Effective
Date").  NMKT,  GS and ES may each be  referred  to herein as a "Party"  and may
collectively be referred to herein as the "Parties."

                                   WITNESSETH:

WHEREAS:       GS is the holder (or manager of holdings) of  $1,250,000 in notes
               participation (the "Note Participation") with Valens Offshore and
               Valens SPV and,

WHEREAS:       NMKT's Articles of Incorporation  authorize  10,000,000 shares of
               preferred stock  ("Preferred  Stock"),  of which 2,552 are issued
               and outstanding on the date hereof and

WHEREAS:       GS is the holder  (or  manager of  holdings)  of all  outstanding
               shares of the Series F, H, and I of the Preferred  Stock of NMKT,
               including  the  respective  quantities of each series as shown on
               Exhibit A hereto (collectively the "GS Preferred Shares") and,

WHEREAS:       NMKT has  expressed  an  interest in  restructuring  the debt and
               equity held or managed by GS and,

WHEREAS:       The Parties now desire to restructure the debt and reorganize the
               equity of the Preferred Stock of NMKT held, managed or controlled
               by GS.

NOW THEREFORE:  The Parties,  in consideration of the foregoing premises and the
following   promises   contained   herein  and  for  other  good  and   valuable
consideration  exchanged among the Parties, the receipt and sufficiency of which
are hereby acknowledged by each, the Parties covenant and agree as follows:

1.   GS hereby agrees to submit for  cancellation,  the GS Preferred  Shares, in
     exchange   for   1,601   shares   of   Series  J   Preferred   Convertible,
     Dividend-bearing  (Cumulative)  Stock with the  Designations  of Rights and
     Privileges  as  contained  on  Exhibit B hereto  (the  "Series J  Shares"),
     effective  upon  issuance  of the  Series J of  Preferred  Stock,  required
     hereby.

2.   GS hereby  elects  and  agrees  to  convert  $750,000  of the  Valens  Note
     Participation into 750 Series J Shares, which conversion shall be effective
     upon issuance of the Series J Shares required  hereby.  All interest,  fees
     and penalties due under the Note Participation shall be canceled,  forgiven
     or waived, as applicable, upon GS's receipt of the Series J Shares.

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3.   GS  enters  into  this   Agreement,   and  agrees  to  participate  in  the
     restructuring and complete the undertakings  described  herein,  subject to
     the requirement,  by GS, that NMKT issue concurrently  herewith a series of
     super majority voting  Preferred Stock (Series K), which must be and remain
     outstanding to current  management of NMKT for so long as GS holds Series J
     Shares.  Concurrent  herewith,  GS has agreed to sell  $500,000 of the Note
     Participation  to ES, an  entity  controlled  by  management  of NMKT,  for
     valuable consideration,  effective upon execution hereof by all Parties. ES
     hereby  elects  and  agrees to  convert  the  $500,000  Note  Participation
     purchased hereby from GS into 5,000 shares of Series K Preferred Stock with
     the  Designation  of Rights and Privileges as contained on Exhibit C hereto
     effective upon issuance of the Series K Preferred  Stock  required  hereby.
     NMKT  agrees  that it will not issue any  Series J  Preferred  Stock to any
     person or entity other than to or at the  direction of GS without the prior
     written consent of GS.

4.   GS and ES hereby  agree to waive and forgive any unpaid  interest,  fees or
     penalties  due under the Note  Participation  from the beginning of time up
     until execution hereof.

5.   Time  is  of  the  Essence.  The  times  for  performance  of  the  various
     obligations  in this  Agreement are essential  due to the  obligations  and
     expenditures  of  the  Parties.  If  a  specific  time  is  not  specified,
     performance  shall be  prompt  and with due  regard  to the  conditions  of
     performance of other parties in reliance thereon.

6.   Cooperation and Further  Assurances.  Approvals required by any Party shall
     not be unreasonably  withheld or delayed. The Parties each agree to execute
     and deliver such  documents  and to perform such other acts,  promptly upon
     request by another Party,  which are, in the requesting  Party's reasonable
     judgment, necessary or appropriate to effectuate the purposes and intent of
 &