REGISTRATION RIGHTS AGREEMENT

                        Dated as of November 14, 1996

                                 By and Among

                        ABRAXAS PETROLEUM CORPORATION

                                     and

                     CANADIAN ABRAXAS PETROLEUM LIMITED,

                                  as Issuers

                                     and

                          BT SECURITIES CORPORATION,
                          JEFFERIES & COMPANY, INC.,
                       BANKERS TRUST INTERNATIONAL PLC
                  ING BARING (U.S.) SECURITIES CORPORATION,
                            as Initial Purchasers


                          11 1/2% Senior Notes due 2004










                               TABLE OF CONTENTS


                                                                          Page

1.    Definitions.......................................................    1

2.    Exchange Offer....................................................    5

3.    Shelf Registration................................................    9

4.    Additional Interest...............................................   11

5.    Registration Procedures...........................................   13

6.    Registration Expenses.............................................   25

7.    Indemnification...................................................   26

8.    Rules 144 and 144A................................................   31

9.    Underwritten Registrations........................................   31

10.   Miscellaneous.....................................................   32

      (a)   No Inconsistent Agreements..................................   32
      (b)   Adjustments Affecting Registrable Notes.....................   32
      (c)   Amendments and Waivers......................................   32
      (d)   Notices.....................................................   33
      (e)   Successors and Assigns......................................   33
      (f)   Release of Subsidiary Guarantors............................   34
      (g)   Counterparts................................................   34
      (h)   Headings....................................................   34
      (i)   Governing Law...............................................   34
      (j)   Severability................................................   34
      (k)   Securities Held by the Issuers or Their
               Affiliates...............................................   34
      (l)   Third Party Beneficiaries...................................   34
      (m)   Entire Agreement............................................   35
      (n)   Information Supplied by the Participants....................   35
      (o)   Subsidiary Guarantor a Party................................   35


                                     i









                         REGISTRATION RIGHTS AGREEMENT

            This Registration  Rights Agreement (the "Agreement") is dated as of
November  14,  1996,  by and  among  ABRAXAS  PETROLEUM  CORPORATION,  a  Nevada
corporation (the  "Company"),  and CANADIAN ABRAXAS  PETROLEUM  LIMITED,  Canada
corporation  and a wholly owned  subsidiary of the Company  ("Canadian  Abraxas"
and, together with the Company,  the "Issuers"),  as issuers,  and BT SECURITIES
CORPORATION,  BANKERS TRUST INTERNATIONAL PLC, JEFFERIES & COMPANY, INC. and ING
BARING  (U.S.)  SECURITIES  CORPORATION,  as initial  purchasers  (the  "Initial
Purchasers").

            This  Agreement  is entered  into in  connection  with the  Purchase
Agreement,  dated as of  November  14,  1996,  by and among the  Issuers and the
Initial  Purchasers (the "Purchase  Agreement"),  which provides for the sale by
the Issuers to the Initial Purchasers of $215,000,000 aggregate principal amount
of the  Issuer's 11 1/2% Senior  Notes due 2004 (the  "Notes"),  unconditionally
guaranteed  on a  senior  basis  by  each  of the  Company's  future  Restricted
Subsidiaries  (as  defined  in the  Indenture)  (collectively,  the  "Subsidiary
Guarantors").  In order to  induce  the  Initial  Purchasers  to enter  into the
Purchase  Agreement,  the Issuers have agreed to provide the registration rights
set forth in this  Agreement for the benefit of the Initial  Purchasers  and any
subsequent  holder or holders of the Notes.  The  execution and delivery of this
Agreement is a condition to the Initial  Purchasers'  obligation to purchase the
Notes under the Purchase Agreement.

            The parties hereby agree as follows:

1.    Definitions

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

            Additional Interest:  See Section 4 hereof.

            Advice:  See Section 5 hereof.

            Agreement:  See the introductory paragraphs hereto.

            Applicable Period:  See Section 2 hereof.

            Canadian Abraxas:  See the introductory paragraphs hereto.

            Company:  See the introductory paragraphs hereto.

            Effectiveness Date: With respect to any Registration Statement,  the
75th day after the Filing Date with respect thereto.

                                     1
145391.01








            Effectiveness Period:  See Section 3 hereof.

            Event Date:  See Section 4 hereof.

            Exchange Act: The Securities  Exchange Act of 1934, as amended,  and
the rules and regulations of the SEC promulgated thereunder.

            Exchange Notes:  See Section 2 hereof.

            Exchange Offer:  See Section 2 hereof.

            Exchange Offer Registration Statement:  See Section 2 hereof.

            Filing Date: (A) If no Registration  Statement has been filed by the
Company pursuant to this Agreement, the 45th day after the Issue Date; provided,
however, that if a Shelf Notice is given within 10 days of the Filing Date, then
the Filing Date with respect to the Initial Shelf Registration shall be the 15th
calendar day after the date of the giving of such Shelf Notice;  and (B) in each
other case (which may be  applicable  notwithstanding  the  consummation  of the
Exchange Offer), the 30th day after the delivery of a Shelf Notice.

            Holder:  Any holder of a Registrable Note or Registrable Notes.

            Indemnified Person:  See Section 7(c) hereof.

            Indemnifying Person:  See Section 7(c) hereof.

            Indenture:  The  Indenture,  dated as of November 14,  1996,  by and
among the Issuers and IBJ SCHRODER BANK & TRUST COMPANY, as trustee, pursuant to
which the Notes are being  issued,  as the same may be amended  or  supplemented
from time to time in accordance with the terms thereof.

            Initial Purchasers:  See the introductory paragraphs hereto.

            Initial Shelf Registration:  See Section 3(a) hereof.

            Inspectors:  See Section 5(o) hereof.

            Issue Date:  November 6, 1996, the date of original  issuance of the
Notes.

            Issuers:  See the introductory paragraphs hereto.

            NASD:  See Section 5(t) hereof.

            Participant:  See Section 7(a) hereof.


                                     2
145391.01








            Participating Broker-Dealer:  See Section 2 hereof.

            Person:  An individual,  trustee,  corporation,  partnership,  joint
stock company, trust, unincorporated  association,  union, business association,
firm or other legal entity.

            Private Exchange:  See Section 2 hereof.

            Private Exchange Notes:  See Section 2 hereof.

            Prospectus:  The prospectus  included in any Registration  Statement
(including,  without  limitation,  any  prospectus  subject to completion  and a
prospectus  that includes any information  previously  omitted from a prospectus
filed as part of an effective  registration statement in reliance upon Rule 430A
promulgated  under the  Securities Act and any term sheet filed pursuant to Rule
434 under the  Securities  Act), as amended or  supplemented  by any  prospectus
supplement,  and  all  other  amendments  and  supplements  to  the  Prospectus,
including post-effective  amendments, and all material incorporated by reference
or deemed to be incorporated by reference in such Prospectus.

            Purchase Agreement:  See the introductory paragraphs hereof.

            Records:  See Section 5(o) hereof.

            Registrable  Notes:  Each Note upon its original issuance and at all
times subsequent thereto, each Exchange Note as to which Section 2(c)(iv) hereof
is applicable  upon original  issuance and at all times  subsequent  thereto and
each  Private  Exchange  Note upon  original  issuance  thereof and at all times
subsequent thereto, until (i) a Registration Statement (other than, with respect
to any Exchange  Note as to which Section  2(c)(iv)  hereof is  applicable,  the
Exchange  Offer  Registration  Statement)  covering such Note,  Exchange Note or
Private  Exchange  Note has been  declared  effective  by the SEC and such Note,
Exchange  Note or such  Private  Exchange  Note,  as the case  may be,  has been
disposed of in accordance with such effective Registration Statement,  (ii) such
Note has been  exchanged  pursuant to the Exchange Offer for an Exchange Note or
Exchange  Notes that may be resold without  restriction  under state and federal
securities laws, (iii) such Note, Exchange Note or Private Exchange Note, as the
case may be, ceases to be outstanding for purposes of the Indenture or (iv) such
Note,  Exchange Note or Private Exchange Note, as the case may be, may be resold
without restriction pursuant to Rule 144 under the Securities Act.

            Registration  Statement:  Any registration  statement of the Issuers
and the  Subsidiary  Guarantors  (if any)  that  covers  any of the  Notes,  the
Exchange  Notes or the  Private  Exchange  Notes  filed  with the SEC  under the
Securities  Act,  including the  Prospectus,  amendments and supplements to such
registration statement,  including post-effective  amendments, all exhibits, and
all material incorporated by reference or deemed to be incorporated by reference
in such registration statement.


                                     3
145391.01








            Rule 144: Rule 144  promulgated  under the  Securities  Act, as such
Rule may be amended  from time to time,  or any  similar  rule  (other than Rule
144A) or regulation  hereafter adopted by the SEC providing for offers and sales
of  securities  made in  compliance  therewith  resulting in offers and sales by
subsequent holders that are not affiliates of an issuer of such securities being
free of the registration and prospectus delivery  requirements of the Securities
Act.

            Rule 144A: Rule 144A  promulgated  under the Securities Act, as such
Rule may be amended from time to time, or any similar rule (other than Rule 144)
or regulation hereafter adopted by the SEC.

            Rule 415: Rule 415  promulgated  under the  Securities  Act, as such
Rule  may be  amended  from  time to time,  or any  similar  rule or  regulation
hereafter adopted by the SEC.

            SEC:  The Securities and Exchange Commission.

            Securities  Act: The  Securities  Act of 1933,  as amended,  and the
rules and regulations of the SEC promulgated thereunder.

            Shelf Notice:  See Section 2 hereof.

            Shelf Registration:  See Section 3(b) hereof.

            Subsequent Shelf Registration:  See Section 3(b) hereof.

            TIA:  The Trust Indenture Act of 1939, as amended.

            Trustee:  The trustee  under the  Indenture and the trustee (if any)
under any indenture governing the Exchange Notes and Private Exchange Notes.

            Underwritten  registration or underwritten  offering: A registration
in which  securities of the Issuers are sold to an underwriter for reoffering to
the public.

2.    Exchange Offer

            (a)  To  the  extent  permitted  by  applicable  law  or  applicable
interpretation  of the staff of the Division of Corporation  Finance of the SEC,
the  Issuers  shall  file  with  the SEC,  no later  than  the  Filing  Date,  a
Registration  Statement  (the  "Exchange  Offer  Registration  Statement") on an
appropriate  registration form with respect to a registered offer (the "Exchange
Offer") to exchange any and all of the  Registrable  Notes for a like  aggregate
principal amount of notes (the "Exchange Notes") of the Issuers (the guarantees,
if any,  of the  Subsidiary  Guarantors)  that  are  identical  in all  material
respects to the Notes except that the  Exchange  Notes (and the  guarantees,  if
any, of the Subsidiary  Guarantors) shall contain no restrictive legend thereon.
The Exchange Offer shall comply with all

                                     4
145391.01








applicable  tender offer rules and regulations  under the Exchange Act and other
applicable law. The Issuers shall use their respective best efforts to (x) cause
the Exchange Offer  Registration  Statement to be declared  effective  under the
Securities Act on or before the Effectiveness  Date; (y) keep the Exchange Offer
open for at least 30 days (or longer if  required by  applicable  law) after the
date that notice of the Exchange Offer is mailed to Holders;  and (z) consummate
the Exchange  Offer on or prior to the 135th day following the date on which the
Exchange  Offer  Registration  Statement  is declared  effective by the SEC. If,
after the Exchange Offer Registration  Statement is initially declared effective
by the SEC, the Exchange Offer or the issuance of the Exchange Notes  thereunder
is interfered  with by any stop order,  injunction or other order or requirement
of the SEC or any  other  governmental  agency  or  court,  the  Exchange  Offer
Registration Statement shall be deemed not to have become effective for purposes
of this Agreement.

            Each Holder that participates in the Exchange Offer will be required
to represent  that any  Exchange  Notes to be received by it will be acquired in
the ordinary course of its business, that at the time of the consummation of the
Exchange Offer such Holder will have no arrangement  or  understanding  with any
Person to participate in the  distribution of the Exchange Notes in violation of
the provisions of the  Securities  Act, and that such Holder is not an affiliate
of any of the Issuers within the meaning of the Securities Act.

            Upon  consummation  of the Exchange  Offer in  accordance  with this
Section 2, the  provisions of this Agreement  shall  continue to apply,  mutatis
mutandis,  solely with respect to  Registrable  Notes that are Private  Exchange
Notes,  Exchange  Notes as to which Section  2(c)(iv) is applicable and Exchange
Notes held by Participating  Broker-Dealers (as defined),  and the Issuers shall
have no further  obligation  to register  Registrable  Notes (other than Private
Exchange  Notes and other  than in  respect  of any  Exchange  Notes as to which
clause 2(c)(iv) hereof applies) pursuant to Section 3 hereof.

            No securities other than the Exchange Notes shall be included in the
Exchange Offer Registration Statement.

            (b) The Issuers shall include within the Prospectus contained in the
Exchange Offer Registration Statement a section entitled "Plan of Distribution,"
reasonably acceptable to the Holders, which shall contain a summary statement of
the positions taken or policies made by the staff of the SEC with respect to the
potential "underwriter" status of any broker-dealer that is the beneficial owner
(as defined in Rule 13d-3 under the Exchange Act) of Exchange  Notes received by
such  broker-dealer  in the Exchange  Offer (a  "Participating  Broker-Dealer"),
whether such positions or policies have been publicly  disseminated by the staff
of the SEC or such positions or policies  represent the prevailing  views of the
staff of the SEC.  Such "Plan of  Distribution"  section  shall  also  expressly
permit,  to the extent  permitted by applicable  policies and regulations of the
SEC, the use of the Prospectus by all Persons subject to the prospectus delivery
requirements  of the  Securities  Act,  including,  to the extent  permitted  by
applicable   policies   and   regulations   of  the   SEC,   all   Participating
Broker-Dealers,   and  include  a  statement   describing  the  means  by  which

                                     5
145391.01







Participating  Broker-Dealers  may resell the Exchange Notes in compliance  with
the Securities Act.

            The  Issuers  shall use their  respective  best  efforts to keep the
Exchange Offer Registration  Statement effective and to amend and supplement the
Prospectus  contained  therein in order to permit such Prospectus to be lawfully
delivered by all Persons subject to the prospectus delivery  requirements of the
Securities Act for such period of time as is necessary to comply with applicable
law in  connection  with any  resale  of the  Exchange  Notes  covered  thereby;
provided,  however,  that such  period  shall not  exceed  180 days  after  such
Exchange  Offer  Registration  Statement is declared  effective  (or such longer
period if extended  pursuant  to the last  paragraph  of Section 5 hereof)  (the
"Applicable Period").

            If, prior to consummation  of the Exchange  Offer,  any Holder holds
any  Notes  acquired  by it that  have,  or that  are  reasonably  likely  to be
determined  to  have,   the  status  of  an  unsold   allotment  in  an  initial
distribution,  or any Holder is not  entitled  to  participate  in the  Exchange
Offer, the Issuers upon the request of any such Holder shall simultaneously with
the delivery of the Exchange Notes in the Exchange  Offer,  issue and deliver to
any such Holder, in exchange (the "Private Exchange") for such Notes held by any
such Holder, a like principal amount of notes (the "Private  Exchange Notes") of
the Issuers that are  identical in all material  respects to the Exchange  Notes
and the  Subsidiary  Guarantors  if any shall  guarantee  such Private  Exchange
Notes. The Private Exchange Notes shall be issued pursuant to the same indenture
as the Exchange Notes and bear the same CUSIP number as the Exchange Notes.

            Interest on the Exchange  Notes and the Private  Exchange Notes will
accrue  from  (A) the  later  of (i) the  last  interest  payment  date on which
interest was paid on the Notes  surrendered in exchange  therefor or (ii) if the
Notes are  surrendered  for  exchange on a date in a period  which  includes the
record date for an interest  payment  date to occur on or after the date of such
exchange  and as to  which  interest  will be paid,  the  date of such  interest
payment date or (B) if no interest has been paid on the Notes,  from the date of
the original issuance of the Notes.

            In connection with the Exchange Offer, the Issuers shall:

            (1)  mail,  or  cause  to be  mailed,  to each  Holder  entitled  to
      participate in the Exchange Offer a copy of the Prospectus forming part of
      the Exchange Offer  Registration  Statement,  together with an appropriate
      letter of transmittal and related documents;

            (2) keep the Exchange Offer open for not less than 30 days after the
      date that notice of the Exchange  Offer is mailed to Holders (or longer if
      required by applicable law);

            (3) utilize the services of a depositary for the Exchange Offer with
      an address in the Borough of Manhattan, The City of New York;


                                     6
145391.01








      
            (4) permit  Holders to withdraw  tendered Notes at any time prior to
      the close of business,  New York time,  on the last  business day on which
      the Exchange Offer shall remain open; and

            (5) otherwise  comply in all material  respects with all  applicable
      laws, rules and regulations.

            As soon as practicable after the close of the Exchange Offer and the
Private Exchange, if any, the Issuers shall:

            (1) accept for exchange all Registrable  Notes validly  tendered and
      not  validly  withdrawn  pursuant  to the  Exchange  Offer and the Private
      Exchange, if any;

            (2) deliver to the Trustee for cancellation all Registrable Notes so
      accepted for exchange; and

            (3) cause the Trustee to authenticate  and deliver  promptly to each
      Holder of Notes, Exchange Notes or Private Exchange Notes, as the case may
      be, equal in principal  amount to the Notes of such Holder so accepted for
      exchange.

            The Exchange Offer and the Private  Exchange shall not be subject to
any conditions,  other than that (i) the Exchange Offer or Private Exchange,  as
the  case  may  be,  does  not  violate   applicable   law  or  any   applicable
interpretation  of the staff of the SEC, (ii) no action or proceeding shall have
been instituted or threatened in any court or by any  governmental  agency which
might materially  impair the ability of the Issuers to proceed with the Exchange
Offer or the Private  Exchange,  and no material adverse  development shall have
occurred in any existing  action or  proceeding  with respect to the Issuers and
(iii) all governmental  approvals shall have been obtained,  which approvals the
Issuers deem  necessary for the  consummation  of the Exchange  Offer or Private
Exchange.

            The Exchange  Notes and the Private  Exchange  Notes shall be issued
under (i) the Indenture or (ii) an indenture  identical in all material respects
to the Indenture and which,  in either case, has been qualified under the TIA or
is exempt from such  qualification  and shall  provide that the  Exchange  Notes
shall not be subject to the transfer  restrictions  set forth in the  Indenture.
The  Indenture or such  indenture  shall  provide that the Exchange  Notes,  the
Private  Exchange  Notes and the Notes  shall vote and  consent  together on all
matters as one class and that none of the Exchange Notes,  the Private  Exchange
Notes or the Notes will have the right to vote or consent as a separate class on
any matter.

            (c) If, (i) because of any change in law or in currently  prevailing
interpretations of the staff of the SEC, the Issuers are not permitted to effect
the Exchange Offer,  (ii) the Exchange Offer is not consummated  within 150 days
of the Issue  Date,  (iii) any holder of Private  Exchange  Notes so requests in
writing to the Issuers  within 60 days after the  consummation  of the  Exchange

                                     7
145391.01








Offer,  or (iv) in the case of any  Holder  that  participates  in the  Exchange
Offer,  such Holder does not receive  Exchange Notes on the date of the exchange
that may be sold without  restriction  under state and federal  securities  laws
(other  than due solely to the status of such Holder as an  affiliate  of any of
the  Issuers  within the  meaning of the  Securities  Act) and so  notifies  the
Issuers   within  30  days  after  such  Holder  first  becomes  aware  of  such
restrictions,  in the case of each of clauses (i) to and including  (iv) of this
sentence, then the Issuers shall promptly deliver to the Holders and the Trustee
written notice thereof (the "Shelf Notice") and shall file a Shelf  Registration
pursuant to Section 3 hereof.

3.    Shelf Registration

            If at any  time a Shelf  Notice  is  delivered  as  contemplated  by
Section 2(c) hereof, then:

            (a)  Shelf  Registration.  The  Issuers  shall  file  with the SEC a
Registration Statement for an offering to be made on a continuous basis pursuant
to Rule 415 covering all of the Registrable  Notes not exchanged in the Exchange
Offer, Private Exchange Notes and Exchange Notes as to which Section 2(c)(iv) is
applicable  (the  "Initial  Shelf  Registration").  The Issuers  shall use their
respective  diligent  best  efforts  to file  with  the SEC  the  Initial  Shelf
Registration  on or  before  the  applicable  Filing  Date.  The  Initial  Shelf
Registration  shall  be on  Form  S-1 or  another  appropriate  form  permitting
registration  of such  Registrable  Notes for resale by Holders in the manner or
manners  designated  by  them  (including,   without  limitation,  one  or  more
underwritten offerings).  The Issuers shall not permit any securities other than
the  Registrable  Notes to be included in the Initial Shelf  Registration or any
Subsequent Shelf Registration (as defined below).

            The Issuers  shall use their  respective  best  efforts to cause the
Initial Shelf  Registration to be declared effective under the Securities Act on
or prior to the  Effectiveness  Date and to keep the Initial Shelf  Registration
continuously  effective  under the  Securities Act until the date which is three
years from the  Effectiveness  Date,  subject to extension  pursuant to the last
paragraph  of Section 5 hereof (the  "Effectiveness  Period"),  or such  shorter
period  ending  when (i) all  Registrable  Notes  covered by the  Initial  Shelf
Registration  have been sold in the manner set forth and as  contemplated in the
Initial Shelf Registration or (ii) a Subsequent Shelf Registration  covering all
of the  Registrable  Notes  covered  by and not sold  under  the  Initial  Shelf
Registration  or an earlier  Subsequent  Shelf  Registration  has been  declared
effective under the Securities Act;  provided,  however,  that the Effectiveness
Period in respect of the  Initial  Shelf  Registration  shall be extended to the
extent  required  to permit  dealers to comply  with the  applicable  prospectus
delivery  requirements  of Rule 174 under the  Securities  Act and as  otherwise
provided  herein  and shall be  subject  to  reduction  to the  extent  that the
applicable provisions of Rule 144 are amended or revised.

            No holder of  Registrable  Notes may include any of its  Registrable
Notes in any Shelf Registration  Statement pursuant to this Agreement unless and
until such holder  furnishes  to the  Issuers in  writing,  within 30 days after

                                     8
145391.01








receipt of a request  therefor,  such  information as the Issuers may reasonably
request  for  use  in  connection  with  any  Shelf  Registration  Statement  or
Prospectus or preliminary  prospectus included therein. No holder of Registrable
Notes  shall be  entitled to  Additional  Interest  pursuant to Section 4 hereof
unless and until such holder shall have provided all such  reasonably  requested
information. Each holder of Registrable Notes as to which any Shelf Registration
Statement  is being  effected  agrees to furnish  promptly  to the  Issuers  all
information  required to be  disclosed in order to make  information  previously
furnished to the Issuers by such Holder not materially misleading.

            (b)   Subsequent   Shelf   Registrations.   If  the  Initial   Shelf
Registration or any Subsequent Shelf Registration ceases to be effective for any
reason at any time during the  Effectiveness  Period  (other than because of the
sale of all of the  securities  registered  thereunder),  the Issuers  shall use
their  respective  best  efforts to obtain the  prompt  withdrawal  of any order
suspending the effectiveness  thereof,  and in any event shall within 30 days of
such cessation of effectiveness amend the Initial Shelf Registration in a manner
to obtain the withdrawal of the order suspending the effectiveness  thereof,  or
file an additional "shelf" Registration  Statement pursuant to Rule 415 covering
all of the  Registrable  Notes  covered by and not sold under the Initial  Shelf
Registration or an earlier  Subsequent Shelf  Registration  (each, a "Subsequent
Shelf  Registration").  If a Subsequent Shelf Registration is filed, the Issuers
shall  use  their   respective  best  efforts  to  cause  the  Subsequent  Shelf
Registration  to be  declared  effective  under  the  Securities  Act as soon as
practicable  after such filing and to keep such  subsequent  Shelf  Registration
continuously  effective  for a  period  equal  to  the  number  of  days  in the
Effectiveness  Period less the aggregate number of days during which the Initial
Shelf   Registration  or  any  Subsequent  Shelf   Registration  was  previously
continuously  effective.  As used herein the term "Shelf Registration" means the
Initial Shelf Registration and any Subsequent Shelf Registration.

            (c)  Supplements   and   Amendments.   The  Issuers  shall  promptly
supplement  and  amend  any  Shelf   Registration  if  required  by  the  rules,
regulations or instructions  applicable to the  registration  form used for such
Shelf  Registration,  if  required  by  the  Securities  Act,  or if  reasonably
requested  by the Holders of a majority  in  aggregate  principal  amount of the
Registrable Notes covered by such  Registration  Statement or by any underwriter
of such Registrable Notes.

4.    Additional Interest

            (a) The Issuers and the  Initial  Purchasers  agree that the Holders
will  suffer  damages if the Issuers  fail to fulfill  their  obligations  under
Section 2 or Section 3 hereof and that it would not be feasible to ascertain the
extent of such damages with precision.  Accordingly,  the Issuers agree, jointly
and severally,  to pay, as liquidated damages,  additional interest on the Notes
("Additional  Interest")  under the  circumstances  and to the  extent set forth
below (each of which shall be given independent effect):

            (i) if (A) neither the Exchange Offer Registration Statement nor the
      Initial Shelf  Registration  has been filed on or prior to the  applicable

                                     9
145391.01







      Filing Date or (B)  notwithstanding  that the Issuers have  consummated or
      will  consummate  the Exchange  Offer,  the Issuers are required to file a
      Shelf Registration and such Shelf Registration is not filed on or prior to
      the Filing Date applicable thereto,  then, commencing on the day after any
      such Filing Date, Additional Interest shall accrue on the principal amount
      of the  Notes  at a rate  of  0.50%  per  annum  for  the  first  90  days
      immediately  following each such Filing Date, and such Additional Interest
      rate shall  increase by an additional  0.50% per annum at the beginning of
      each subsequent 90-day period; or

            (ii) if (A) neither the Exchange  Offer  Registration  Statement nor
      the Initial  Shelf  Registration  is declared  effective  by the SEC on or
      prior to the relevant  Effectiveness Date or (B) notwithstanding  that the
      Issuers  have  consummated  or will  consummate  the Exchange  Offer,  the
      Issuers  are  required  to  file  a  Shelf  Registration  and  such  Shelf
      Registration  is not  declared  effective  by the SEC on or  prior  to the
      Effectiveness Date in respect of such Shelf Registration, then, commencing
      on the day after such Effectiveness Date, Additional Interest shall accrue
      on the principal  amount of the Notes at a rate of 0.50% per annum for the
      first 90 days immediately following the day after such Effectiveness Date,
      and such  Additional  Interest rate shall increase by an additional  0.50%
      per annum at the beginning of each subsequent 90-day period; or

           (iii) if (A) the Issuers have not  exchanged  Exchange  Notes for all
      Notes validly  tendered in accordance with the terms of the Exchange Offer
      on or prior to the 135th day  after the date on which the  Exchange  Offer
      Registration  Statement  relating thereto was declared effective or (B) if
      applicable,  a Shelf  Registration  has been  declared  effective and such
      Shelf  Registration  ceases  to  be  effective  at  any  time  during  the
      Effectiveness  Period,  then  Additional  Interest  shall  accrue  on  the
      principal  amount  of the Notes at a rate of 0.50% per annum for the first
      90 days  commencing on the (x) 151st day after such effective date, in the
      case of (A)  above,  or (y) the day such Shelf  Registration  ceases to be
      effective  in the case of (B) above,  and such  Additional  Interest  rate
      shall  increase by an additional  0.50% per annum at the beginning of each
      such subsequent 90-day period;

provided, however, that the Additional Interest rate on the Notes may not exceed
at any one time in the aggregate 1.50% per annum;  provided,  further,  however,
that (1) upon the filing of the applicable Exchange Offer Registration Statement
or the  applicable  Shelf  Registration  as required  hereunder  (in the case of
clause (i) above of this Section 4), (2) upon the  effectiveness of the Exchange
Offer Registration  Statement or the applicable Shelf Registration  Statement as
required  hereunder  (in the case of clause (ii) of this Section 4), or (3) upon
the exchange of the  applicable  Exchange  Notes for all Notes  tendered (in the
case of clause  (iii)(A) of this  Section 4), or upon the  effectiveness  of the
applicable Shelf Registration Statement which had ceased to remain effective (in
the case of (iii)(B) of this  Section  4),  Additional  Interest on the Notes in
respect of which such events  relate as a result of such clause (or the relevant
subclause thereof), as the case may be, shall cease to accrue.

                                     10
145391.01










            (b) The Issuers  shall  notify the Trustee  within one  business day
after  each  and  every  date on  which  an event  occurs  in  respect  of which
Additional  Interest is required  to be paid (an "Event  Date").  Any amounts of
Additional Interest due pursuant to (a)(i),  (a)(ii) or (a)(iii) of this Section
4 will be payable  in cash  semi-annually  on each May 1 and  November 1 (to the
holders of record on the April 15 and  October  15  immediately  preceding  such
dates),  commencing with the first such date occurring after any such Additional
Interest  commences  to  accrue.  The  amount  of  Additional  Interest  will be
determined  by  multiplying  the  applicable  Additional  Interest  rate  by the
principal  amount  of the  Registrable  Notes,  multiplied  by a  fraction,  the
numerator  of which is the  number of days  such  Additional  Interest  rate was
applicable  during  such  period  (determined  on the  basis of a  360-day  year
comprised  of twelve  30-day  months  and, in the case of a partial  month,  the
actual number of days elapsed), and the denominator of which is 360.

5.    Registration Procedures

            In connection with the filing of any Registration Statement pursuant
to Sections 2 or 3 hereof, the Issuers shall effect such registrations to permit
the sale of the  securities  covered  thereby in  accordance  with the  intended
method or methods of disposition thereof, and pursuant thereto and in connection
with any  Registration  Statement  filed by the  Issuers  hereunder  the Issuers
shall:

            (a)  Prepare  and file with the SEC prior to the  applicable  Filing
      Date, a Registration Statement or Registration Statements as prescribed by
      Sections 2 or 3 hereof,  and use their  respective  best  efforts to cause
      each such Registration  Statement to become effective and remain effective
      as  provided  herein;  provided,  however,  that,  if (1) such  filing  is
      pursuant  to  Section  3  hereof,  or (2) a  Prospectus  contained  in the
      Exchange Offer  Registration  Statement filed pursuant to Section 2 hereof
      is required to be delivered under the Securities Act by any  Participating
      Broker-Dealer  who seeks to sell  Exchange  Notes  during  the  Applicable
      Period  relating  thereto,  before  filing any  Registration  Statement or
      Prospectus or any  amendments or  supplements  thereto,  the Issuers shall
      furnish to and afford the Holders of the Registrable Notes covered by such
      Registration  Statement or each such Participating  Broker-Dealer,  as the
      case may be,  their  counsel  and the  managing  underwriters,  if any,  a
      reasonable  opportunity to review copies of all such documents  (including
      copies of any documents to be  incorporated  by reference  therein and all
      exhibits  thereto)  proposed  to be filed (in each case at least five days
      prior to such  filing,  or such  later  date as is  reasonable  under  the
      circumstances).  The Issuers shall not file any Registration  Statement or
      Prospectus or any  amendments or  supplements  thereto if the Holders of a
      majority in aggregate principal amount of the Registrable Notes covered by
      such Registration Statement, or any such Participating  Broker-Dealer,  as
      the case may be,  their  counsel,  or the managing  underwriters,  if any,
      shall reasonably object.


                                     11
145391.01








            (b) Prepare and file with the SEC such amendments and post-effective
      amendments  to  each  Shelf  Registration   Statement  or  Exchange  Offer
      Registration  Statement,  as the case may be, as may be  necessary to keep
      such Registration  Statement  continuously effective for the Effectiveness
      Period or the  Applicable  Period,  as the case may be;  cause the related
      Prospectus to be  supplemented  by any Prospectus  supplement  required by
      applicable  law, and as so  supplemented  to be filed pursuant to Rule 424
      (or any similar provisions then in force) promulgated under the Securities
      Act; and comply with the provisions of the Securities Act and the Exchange
      Act  applicable  to each of them with  respect to the  disposition  of all
      securities covered by such Registration Statement as so amended or in such
      Prospectus as so supplemented and with respect to the subsequent resale of
      any securities being sold by a Participating  Broker-Dealer covered by any
      such  Prospectus.  The  Issuers  shall be deemed  not to have  used  their
      respective  diligent  best  efforts  to  keep  a  Registration   Statement
      effective  during the Effective  Period or the Applicable  Period,  as the
      case may be, relating thereto if any of the Issuers  voluntarily takes any
      action  that would  result in selling  Holders  of the  Registrable  Notes
      covered thereby or Participating  Broker-Dealers  seeking to sell Exchange
      Notes not being able to sell such Registrable Notes or such Exchange Notes
      during that period unless (i) such action is required by applicable law or
      (ii) such  Issuers  comply  with the  provisions  of the last  sentence of
      Section 5(k) or the last paragraph of this Section 5.

            (c) If (1) a Shelf  Registration  is filed  pursuant  to  Section  3
      hereof, or (2) a Prospectus  contained in the Exchange Offer  Registration
      Statement  filed  pursuant to Section 2 hereof is required to be delivered
      under the Securities Act by any  Participating  Broker-Dealer who seeks to
      sell Exchange Notes during the  Applicable  Period  relating  thereto from
      whom  the  Company  has  received   written  notice  that  it  will  be  a
      Participating  Broker-Dealer  in the  Exchange  Offer,  notify the selling
      Holders of Registrable Notes, or each such Participating Broker-Dealer, as
      the case may be,  their  counsel and the  managing  underwriters,  if any,
      promptly  (but in any event  within one day),  and confirm  such notice in
      writing,   (i)  when  a  Prospectus  or  any   Prospectus   supplement  or
      post-effective   amendment  has  been  filed,   and,  with  respect  to  a
      Registration Statement or any post-effective  amendment, when the same has
      become  effective  under the  Securities  Act  (including in such notice a
      written  statement that any Holder may, upon request,  obtain, at the sole
      expense of the Issuers, one conformed copy of such Registration  Statement
      or post-effective  amendment including financial statements and schedules,
      documents  incorporated  or deemed to be  incorporated  by  reference  and
      exhibits),  (ii) of the  issuance by the SEC of any stop order  suspending
      the  effectiveness of a Registration  Statement or of any order preventing
      or suspending the use of any  preliminary  prospectus or the initiation of
      any proceedings  for that purpose,  (iii) if at any time when a prospectus
      is required by the Securities Act to be delivered in connection with sales
      of the  Registrable  Notes or resales of Exchange  Notes by  Participating
      Broker-Dealers  the  representations  and warranties of any of the Issuers
      contained  in  any  agreement   (including  any  underwriting   agreement)
      contemplated  by Section  5(m) hereof  cease to be true and correct in all

                                     12
145391.01








      material  respects,  (iv)  of the  receipt  by any of the  Issuers  of any
      notification  with  respect  to the  suspension  of the  qualification  or
      exemption from  qualification  of a  Registration  Statement or any of the
      Registrable  Notes or the Exchange  Notes to be sold by any  Participating
      Broker-Dealer for offer or sale in any jurisdiction,  or the initiation or
      threatening of any  proceeding  for such purpose,  (v) of the happening of
      any event,  the  existence of any  condition or any  information  becoming
      known that makes any  statement  made in such  Registration  Statement  or
      related   Prospectus  or  any  document   incorporated  or  deemed  to  be
      incorporated  therein by reference  untrue in any material respect or that
      requires the making of any changes in or amendments or supplements to such
      Registration  Statement,  Prospectus  or documents so that, in the case of
      the Registration  Statement, it will not contain any untrue statement of a
      material  fact or omit to state any  material  fact  required to be stated
      therein or necessary to make the statements  therein not  misleading,  and
      that in the  case  of the  Prospectus,  it will  not  contain  any  untrue
      statement of a material  fact or omit to state any material  fact required
      to be stated therein or necessary to make the statements therein, in light
      of the circumstances under which they were made, not misleading,  and (vi)
      of any of the Issuers' determination that a post-effective  amendment to a
      Registration Statement would be appropriate.

            (d) If (1) a Shelf  Registration  is filed  pursuant  to  Section  3
      hereof, or (2) a Prospectus  contained in the Exchange Offer  Registration
      Statement  filed  pursuant to Section 2 hereof is required to be delivered
      under the Securities Act by any  Participating  Broker-Dealer who seeks to
      sell Exchange Notes during the  Applicable  Period,  use their  respective
      best  efforts  to  prevent  the  issuance  of  any  order  suspending  the
      effectiveness  of a Registration  Statement or of any order  preventing or
      suspending  the use of a Prospectus or suspending  the  qualification  (or
      exemption  from  qualification)  of any of the  Registrable  Notes  or the
      Exchange Notes to be sold by any Participating Broker-Dealer,  for sale in
      any  jurisdiction,  and,  if any  such  order  is  issued,  to  use  their
      respective  best efforts to obtain the withdrawal of any such order at the
      earliest possible date.

            (e) Subject to the  provisions of the last sentence of Section 5(k),
      if a Shelf Registration is filed pursuant to Section 3 and if requested by
      the  managing  underwriter  or  underwriters  (if any),  the  Holders of a
      majority in aggregate principal amount of the Registrable Notes being sold
      in  connection  with  an  underwritten   offering  or  any   Participating
      Broker-Dealer,  (i) promptly as  practicable  incorporate  in a prospectus
      supplement or  post-effective  amendment such  information as the managing
      underwriter or  underwriters  (if any),  such Holders,  any  Participating
      Broker-Dealer or counsel for any of them reasonably request to be included
      therein,  (ii) make all required filings of such prospectus  supplement or
      such  post-effective  amendment as soon as practicable after either Issuer
      has  received  notification  of the  matters  to be  incorporated  in such
      prospectus supplement or post-effective amendment, and (iii) supplement or
      make amendments to such Registration  Statement;  provided,  however, that
      the  Issuers  shall not be  required  to take any action  pursuant to this

                                     13
145391.01








 
      Section 5(e) that would violate applicable law.

            (f) If (1) a Shelf  Registration  is filed  pursuant  to  Section  3
      hereof, or (2) a Prospectus  contained in the Exchange Offer  Registration
      Statement  filed  pursuant to Section 2 hereof is required to be delivered
      under the Securities Act by any  Participating  Broker-Dealer who seeks to
      sell Exchange Notes during the Applicable Period,  furnish to each selling
      Holder of Registrable Notes and to each such  Participating  Broker-Dealer
      who so requests and to counsel and each managing  underwriter,  if any, at
      the sole expense of the Issuers,  one conformed  copy of the  Registration
      Statement or  Registration  Statements and each  post-effective  amendment
      thereto,  including financial statements and schedules, and, if requested,
      all  documents  incorporated  or  deemed  to be  incorporated  therein  by
      reference and all exhibits.

            (g) If (1) a Shelf  Registration  is filed  pursuant  to  Section  3
      hereof, or (2) a Prospectus  contained in the Exchange Offer  Registration
      Statement  filed  pursuant to Section 2 hereof is required to be delivered
      under the Securities Act by any  Participating  Broker-Dealer who seeks to
      sell Exchange Notes during the Applicable Period,  deliver to each selling
      Holder of Registrable Notes, or each such Participating Broker-Dealer,  as
      the case may be, their respective counsel,  and the underwriters,  if any,
      at the sole expense of the Issuers,  as many copies of the  Prospectus  or
      Prospectuses  (including  each form of  preliminary  prospectus)  and each
      amendment  or  supplement  thereto  and  any  documents   incorporated  by
      reference therein as such Persons may reasonably request;  and, subject to
      the last paragraph of this Section 5, each of the Issuers hereby  consents
      to the use of such Prospectus and each amendment or supplement  thereto by
      each  of  the  selling   Holders  of   Registrable   Notes  or  each  such
      Participating  Broker-Dealer,  as the case may be, and the underwriters or
      agents,  if any, and dealers (if any), in connection with the offering and
      sale of the  Registrable  Notes  covered by, or the sale by  Participating
      Broker-Dealers  of the Exchange Notes pursuant to, such Prospectus and any
      amendment or supplement thereto.

            (h)  Prior  to any  public  offering  of  Registrable  Notes  or any
      delivery of a  Prospectus  contained in the  Exchange  Offer  Registration
      Statement by any  Participating  Broker-Dealer  who seeks to sell Exchange
      Notes during the Applicable  Period,  to use their respective best efforts
      to register  or  qualify,  and to  cooperate  with the selling  Holders of
      Registrable Notes or each such  Participating  Broker-Dealer,  as the case
      may be,  the  managing  underwriter  or  underwriters,  if any,  and their
      respective  counsel in connection with the  registration or  qualification
      (or exemption from such registration or qualification) of such Registrable
      Notes  for offer and sale  under the  securities  or Blue Sky laws of such
      jurisdictions   within  the   United   States  as  any   selling   Holder,
      Participating  Broker-Dealer,  or the managing underwriter or underwriters
      reasonably  request in writing;  provided,  however,  that where  Exchange
      Notes  held by  Participating  Broker-Dealers  or  Registrable  Notes  are
      offered other than through an underwritten  offering, the Issuers agree to
      cause  their  counsel  to  perform  Blue  Sky   investigations   and  file


                                     14
145391.01








      registrations  and  qualifications  required to be filed  pursuant to this
      Section 5(h); keep each such  registration or qualification  (or exemption
      therefrom)  effective  during the period such  Registration  Statement  is
      required  to be kept  effective  and do any and all  other  acts or things
      reasonably  necessary  or  advisable  to enable  the  disposition  in such
      jurisdictions of the Exchange Notes held by  Participating  Broker-Dealers
      or the Registrable Notes covered by the applicable Registration Statement;
      provided,  however,  that none of the  Issuers  shall be  required  to (A)
      qualify generally to do business in any jurisdiction  where it is not then
      so qualified, (B) take any action that would subject it to general service
      of process in any such jurisdiction where it is not then so subject or (C)
      subject  itself to  taxation in excess of a nominal  dollar  amount in any
      such jurisdiction where it is not then so subject.

            (i) If a Shelf  Registration  is filed pursuant to Section 3 hereof,
      cooperate with the selling  Holders of Registrable  Notes and the managing
      underwriter or underwriters,  if any, to facilitate the timely preparation
      and delivery of certificates  representing  Registrable  Notes to be sold,
      which certificates shall not bear any restrictive  legends and shall be in
      a form eligible for deposit with The Depository Trust Company;  and enable
      such Registrable Notes to be in such  denominations and registered in such
      names as the managing underwriter or underwriters,  if any, or Holders may
      request.

            (j) Use their respective best efforts to cause the Registrable Notes
      covered by the Registration Statement to be registered with or approved by
      such other  governmental  agencies  or  authorities  as may be  reasonably
      necessary to enable the seller or sellers  thereof or the  underwriter  or
      underwriters,  if any, to consummate the  disposition of such  Registrable
      Notes,  except as may be required solely as a consequence of the nature of
      such selling Holder's  business,  in which case the Issuers will cooperate
      in all reasonable respects with the filing of such Registration  Statement
      and the granting of such approvals.

            (k) If (1) a Shelf  Registration  is filed  pursuant  to  Section  3
      hereof, or (2) a Prospectus  contained in the Exchange Offer  Registration
      Statement  filed  pursuant to Section 2 hereof is required to be delivered
      under the Securities Act by any  Participating  Broker-Dealer who seeks to
      sell Exchange Notes during the Applicable  Period,  upon the occurrence of
      any event  contemplated  by  paragraph  5(c)(v)  or  5(c)(vi)  hereof,  as
      promptly as practicable  prepare and (subject to Section 5(a) hereof) file
      with  the  SEC,  at the sole  expense  of the  Issuers,  a  supplement  or
      post-effective  amendment to the Registration Statement or a supplement to
      the  related  Prospectus  or any  document  incorporated  or  deemed to be
      incorporated therein by reference,  or file any other required document so
      that, as thereafter  delivered to the purchasers of the Registrable  Notes
      being sold  thereunder or to the  purchasers of the Exchange Notes to whom
      such Prospectus will be delivered by a  Participating  Broker-Dealer,  any
      such Prospectus will not contain an untrue statement of a material fact or
      omit to state a material fact  required to be stated  therein or necessary

                                     15
145391.01









      to make the statements  therein, in light of the circumstances under which
      they were made, not misleading. Notwithstanding the foregoing, the Issuers
      shall not be required to amend or supplement a Registration Statement, any
      related  prospectus or any document  incorporated  therein by reference in
      the event that, and for a period (a "Black Out Period") not to exceed, for
      so long as this Agreement is in effect,  an aggregate of 45 days if (x) an
      event  occurs  and is  continuing  as a  result  of  which a  Registration
      Statement,  any related prospectus or any document incorporated therein by
      reference  as then amended or  supplemented  would,  in the Issuers'  good
      faith judgment,  contain an untrue statement of a material fact or omit to
      state a material fact necessary in order to make the  statements  therein,
      in the  light  of the  circumstances  under  which  they  were  made,  not
      misleading,  and (y) (1) the  Issuers  determine  in good  faith  that the
      disclosure of such event at such time would have a material adverse effect
      on the  business,  operations  or  prospects  of the  Issuers  or (2)  the
      disclosure  otherwise relates to a material business transaction which has
      not yet been publicly disclosed in any relevant jurisdiction.

            (l) Prior to the effective date of the first Registration  Statement
      relating  to  the  Registrable   Notes,   (i)  provide  the  Trustee  with
      certificates for the Registrable Notes in a form eligible for deposit with
      The  Depository  Trust  Company  and (ii)  provide a CUSIP  number for the
      Registrable Notes.

            (m) In  connection  with any  underwritten  offering of  Registrable
      Notes  pursuant  to a  Shelf  Registration,  enter  into  an  underwriting
      agreement  as is customary in  underwritten  offerings of debt  securities
      similar to the Notes in form and substance reasonably  satisfactory to the
      Issuers and take all such other actions as are reasonably requested by the
      managing  underwriter or  underwriters  in order to expedite or facilitate
      the registration or the disposition of such Registrable Notes and, in such
      connection, (i) make such representations and warranties to, and covenants
      with,  the  underwriters  with  respect to the business of the Issuers and
      their respective subsidiaries (including any acquired business, properties
      or entity, if applicable) and the Registration  Statement,  Prospectus and
      documents,  if any, incorporated or deemed to be incorporated by reference
      therein,  in each case, as are customarily made by issuers to underwriters
      in  underwritten  offerings of debt securities  similar to the Notes,  and
      confirm the same in writing if and when  requested  in form and  substance
      reasonably  satisfactory to the Issuers;  (ii) obtain the written opinions
      of counsel to the Issuers and written updates  thereof in form,  scope and
      substance   reasonably   satisfactory  to  the  managing   underwriter  or
      underwriters,   addressed  to  the   underwriters   covering  the  matters
      customarily  covered in  opinions  reasonably  requested  in  underwritten
      offerings  and such other  matters as may be  reasonably  requested by the
      managing  underwriter  or  underwriters;  (iii) use their best  efforts to
      obtain  "cold  comfort"  letters  and updates  thereof in form,  scope and
      substance   reasonably   satisfactory  to  the  managing   underwriter  or
      underwriters  from the  independent  certified  public  accountants of the
      Issuers  (and,  if  necessary,  any  other  independent  certified  public
      accountants  of any  subsidiary  of any of the Issuers or of any  business

                                     16
145391.01









      acquired  by  any  of the  Issuers  for  which  financial  statements  and
      financial  data are, or are required to be,  included or  incorporated  by
      reference  in  the  Registration  Statement),  addressed  to  each  of the
      underwriters, such letters to be in customary form and covering matters of
      the type customarily  covered in "cold comfort" letters in connection with
      underwritten  offerings of debt  securities  similar to the Notes and such
      other  matters as  reasonably  requested  by the managing  underwriter  or
      underwriters  as permitted by the Statement on Auditing  Standards No. 72;
      and (iv) if an  underwriting  agreement  is entered  into,  the same shall
      contain indemnification provisions and procedures no less favorable to the
      sellers and underwriters, if any, than those set forth in Section 7 hereof
      (or such  other  provisions  and  procedures  acceptable  to  Holders of a
      majority in aggregate  principal  amount of  Registrable  Notes covered by
      such Registration  Statement and the managing  underwriter or underwriters
      or agents,  if any).  The above shall be done at each  closing  under such
      underwriting agreement, or as and to the extent required thereunder.

            (n) If (1) a Shelf  Registration  is filed  pursuant  to  Section  3
      hereof, or (2) a Prospectus  contained in the Exchange Offer  Registration
      Statement  filed  pursuant to Section 2 hereof is required to be delivered
      under the Securities Act by any  Participating  Broker-Dealer who seeks to
      sell  Exchange  Notes during the  Applicable  Period,  make  available for
      inspection by any selling Holder of such Registrable  Notes being sold, or
      each such Participating Broker-Dealer, as the case may be, any underwriter
      participating  in any such  disposition of Registrable  Notes, if any, and
      any  attorney,  accountant  or other agent  retained  by any such  selling
      Holder or each such  Participating  Broker-Dealer,  as the case may be, or
      underwriter  (collectively,   the  "Inspectors"),  at  the  offices  where
      normally kept, during  reasonable  business hours, all financial and other
      records,  pertinent corporate documents and instruments of the Issuers and
      their respective  subsidiaries  (collectively,  the "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 Issuers and their  respective  subsidiaries to supply all
      information  reasonably requested by any such Inspector in connection with
      such Registration Statement and Prospectus.  Each Inspector shall agree in
      writing  that it will keep the Records  confidential  and that it will not
      disclose any of the Records  unless (i) the  disclosure of such Records is
      necessary  to  avoid  or  correct  a  misstatement  or  omission  in  such
      Registration Statement or Prospectus,  (ii) the release of such Records is
      ordered  pursuant to a subpoena  or other order from a court of  competent
      jurisdiction,  (iii)  disclosure  of  such  information  is  necessary  or
      advisable, in the opinion of counsel for any Inspector, in connection with
      any action, claim, suit or proceeding,  directly or indirectly,  involving
      or  potentially  involving  such Inspector and arising out of, based upon,
      relating to, or involving this Agreement or the Purchase Agreement, or any
      transactions  contemplated  hereby or  thereby  or  arising  hereunder  or
      thereunder,  or  (iv)  the  information  in such  Records  has  been  made
      generally available to the public;  provided,  however,  that prior notice
      shall be provided as soon as  practicable  to the Issuers of the potential
      disclosure of any  information by such Inspector  pursuant to clauses (ii)
      or (iii) of this  sentence  to permit the  Issuers to obtain a  protective
      order  (or  waive  the  provisions  of this  paragraph  (n)) and that such
      Inspector  shall take such actions as are reasonably  necessary to protect
      the  confidentiality  of such  information (if  practicable) to the extent
      such action is otherwise  not  inconsistent  with,  an impairment of or in
      derogation  of the rights and  interests  of the Holder or any  Inspector.
      Each selling Holder of such Registrable Notes and each such  Participating
      Broker-Dealer 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  Issuers  unless and until  such is made  generally  available  to the
      public.  Each  selling  Holder  of such  Registrable  Notes  and each such
      Participating  Broker-Dealer  will be  required  to further  agree that it
      will,  upon learning that  disclosure of such Records is sought in a court
      of  competent  jurisdiction,  give  notice  to the  Issuers  and allow the
      Issuers  to  undertake  appropriate  action to prevent  disclosure  of the
      Records deemed confidential at the Issuers' expense.

            (o) Provide an indenture  trustee for the  Registrable  Notes or the
      Exchange  Notes,  as the case may be, and cause the Indenture or the trust
      indenture  provided for in Section 2(a) hereof,  as the case may be, to be
      qualified  under the TIA not later  than the  effective  date of the first
      Registration   Statement   relating  to  the  Registrable  Notes;  and  in
      connection therewith,  cooperate with the trustee under any such indenture
      and the Holders of the  Registrable  Notes, to effect such changes to such
      indenture  as may be required  for such  indenture  to be so  qualified in
      accordance  with  the  terms  of the  TIA;  and  execute,  and  use  their
      respective best efforts to cause such trustee to execute, all documents as
      may be required to effect such changes,  and all other forms and documents

                                     17
145391.01









      required  to be  filed  with the SEC to  enable  such  indenture  to be so
      qualified in a timely manner.

            (p) Comply with all applicable  rules and regulations of the SEC and
      make  generally  available to their  respective  securityholders  earnings
      statements  satisfying  the  provisions of Section 11(a) of the Securities
      Act and Rule 158  thereunder  (or any similar rule  promulgated  under the
      Securities Act) no later than 45 days after the end of any 12-month period
      (or 90 days  after  the end of any  12-month  period  if such  period is a
      fiscal  year) (i)  commencing  at the end of any  fiscal  quarter in which
      Registrable  Notes are sold to  underwriters  in a firm commitment or best
      efforts underwritten offering and (ii) if not sold to underwriters in such
      an offering,  commencing  on the first day of the first fiscal  quarter of
      the Issuers after the effective  date of a Registration  Statement,  which
      statements shall cover said 12- month periods.

            (q) Upon  consummation of the Exchange Offer or a Private  Exchange,
      obtain an  opinion  of counsel to the  Issuers,  in a form  customary  for
      underwritten transactions, addressed to the Trustee for the benefit of all
      Holders of Registrable  Notes  participating  in the Exchange Offer or the
      Private  Exchange,  as the case may be, that the Exchange Notes or Private


                                     18
145391.01








      Exchange Notes, as the case may be, and the related  indenture  constitute
      legal, valid and binding  obligations of the Issuers,  enforceable against
      the Issuers in accordance with its respective terms,  subject to customary
      exceptions and qualifications.

            (r)  If  the  Exchange  Offer  or  a  Private   Exchange  is  to  be
      consummated,  upon  delivery  of the  Registrable  Notes by Holders to the
      Issuers (or to such other  Person as directed by the  Issuers) in exchange
      for the Exchange Notes or the Private  Exchange Notes, as the case may be,
      the Issuers shall mark, or cause to be marked,  on such Registrable  Notes
      that such  Registrable  Notes  are being  cancelled  in  exchange  for the
      Exchange Notes or the Private  Exchange  Notes,  as the case may be; in no
      event  shall  such  Registrable  Notes  be  marked  as paid  or  otherwise
      satisfied.

            (s) Cooperate with each seller of  Registrable  Notes covered by any
      Registration Statement and each underwriter,  if any, participating in the
      disposition  of such  Registrable  Notes and their  respective  counsel in
      connection  with  any  filings  required  to be  made  with  the  National
      Association of Securities Dealers, Inc. (the "NASD").

            (t) Use  their  respective  best  efforts  to take all  other  steps
      reasonably  necessary to effect the  registration  of the  Exchange  Notes
      and/or Registrable Notes covered by a Registration  Statement contemplated
      hereby.

            The Issuers may require each seller of Registrable Notes as to which
any  registration  is being effected to furnish to the Issuers such  information
regarding  such seller and the  distribution  of such  Registrable  Notes as the
Issuers may, from time to time, reasonably request. The Issuers may exclude from
such  registration  the  Registrable  Notes of any seller so long as such seller
fails to furnish such information  within a reasonable time after receiving such
request. Each seller as to which any Shelf Registration is being effected agrees
to furnish  promptly to the Issuers all information  required to be disclosed in
order to make the information previously furnished to the Issuers by such seller
not materially misleading.

            If any such  Registration  Statement refers to any Holder by name or
otherwise as the holder of any securities of the Issuers, then such Holder shall
have the right to require (i) the  insertion  therein of  language,  in form and
substance reasonably satisfactory to such Holder, to the effect that the holding
by such Holder of such securities is not to be construed as a recommendation  by
such Holder of the investment quality of the securities covered thereby and that
such  holding  does not imply that such Holder will assist in meeting any future
financial  requirements  of any of the  Issuers,  or (ii) in the event that such
reference to such Holder by name or otherwise is not required by the  Securities
Act or any similar federal statute then in force,  the deletion of the reference
to such Holder in any  amendment or  supplement  to the  Registration  Statement
filed or  prepared  subsequent  to the time  that  such  reference  ceases to be
required.

                                     19
145391.01








            Each   Holder   of   Registrable   Notes   and  each   Participating
Broker-Dealer  agrees by its acquisition of such  Registrable  Notes or Exchange
Notes to be sold by such Participating Broker-Dealer,  as the case may be, that,
upon actual receipt of any notice from the Issuers of the happening of any event
of the kind  described  in Section  5(c)(ii),  5(c)(iv),  5(c)(v),  or  5(c)(vi)
hereof, such Holder will forthwith  discontinue  disposition of such Registrable
Notes covered by such Registration  Statement or Prospectus or Exchange Notes to
be sold by such Holder or Participating Broker-Dealer, as the case may be, until
such  Holder's  or  Participating  Broker-Dealer's  receipt of the copies of the
supplemented or amended Prospectus contemplated by Section 5(k) hereof, or until
it is advised in writing  (the  "Advice")  by any of the Issuers that the use of
the  applicable  Prospectus  may be  resumed,  and has  received  copies  of any
amendments or supplements  thereto. In the event that the Issuers shall give any
such notice, each of the Effectiveness Period and the Applicable Period shall be
extended by the number of days during such periods from and  including  the date
of the  giving of such  notice  to and  including  the date when each  seller of
Registrable Notes covered by such Registration Statement or Exchange Notes to be
sold by such  Participating  Broker-Dealer,  as the  case  may  be,  shall  have
received (x) the copies of the supplemented or amended  Prospectus  contemplated
by Section 5(k) hereof or (y) the Advice.

6.    Registration Expenses

            All fees and expenses  incident to the  performance of or compliance
with this  Agreement by the Issuers  shall be borne by the Issuers,  jointly and
severally, whether or not the Exchange Offer Registration Statement or any Shelf
Registration is filed or becomes effective or the Exchange Offer is consummated,
including,  without limitation, (i) all registration and filing fees (including,
without  limitation,  (A) fees with respect to filings  required to be made with
the NASD in connection with an  underwritten  offering and (B) fees and expenses
of  compliance  with  state  securities  or Blue  Sky laws  (including,  without
limitation, reasonable fees and disbursements of counsel in connection with Blue
Sky  qualifications of the Registrable Notes or Exchange Notes and determination
of the  eligibility  of the  Registrable  Notes or Exchange Notes for investment
under the laws of such  jurisdictions (x) where the holders of Registrable Notes
are located,  in the case of the Exchange  Notes,  or (y) as provided in Section
5(h) hereof,  in the case of Registrable Notes or Exchange Notes to be sold by a
Participating  Broker-Dealer  during  the  Applicable  Period)),  (ii)  printing
expenses,  including, without limitation,  expenses of printing certificates for
Registrable  Notes or Exchange  Notes in a form  eligible  for deposit  with The
Depository  Trust  Company  and of  printing  prospectuses  if the  printing  of
prospectuses is requested by the managing  underwriter or underwriters,  if any,
by the Holders of a majority in aggregate  principal  amount of the  Registrable
Notes included in any Registration  Statement or in respect of Registrable Notes
or  Exchange  Notes to be sold by any  Participating  Broker-Dealer  during  the
Applicable  Period, as the case may be, (iii) messenger,  telephone and delivery
expenses,  (iv) fees and disbursements of counsel for the Issuers and reasonable
fees  and  disbursements  of one  special  counsel  for  all of the  sellers  of
Registrable  Notes  (exclusive  of any  counsel  retained  pursuant to Section 7
hereof),  (v)  fees  and  disbursements  of  all  independent  certified  public
accountants  referred  to  in  Section  5(m)(iii)  hereof  (including,   without

                                     20
145391.01








limitation,  the  expenses  of any  special  audit  and "cold  comfort"  letters
required by or incident to such  performance),  (vi)  Securities  Act  liability
insurance,  if the Issuers desire such insurance,  (vi) fees and expenses of all
other Persons  retained by any of the Issuers,  (viii) internal  expenses of the
Issuers (including,  without  limitation,  all salaries and expenses of officers
and employees of all of the Issuers performing legal or accounting duties), (ix)
the  expense  of any  annual  audit,  (x) the  fees  and  expenses  incurred  in
connection with the listing of the securities to be registered on any securities
exchange,  and the  obtaining of a rating of the  securities,  in each case,  if
applicable,  and (xi) the expenses  relating to printing,  word  processing  and
distributing all Registration Statements,  underwriting  agreements,  indentures
and any other documents necessary in order to comply with this Agreement.

7.    Indemnification

            (a) The Issuers and any  Subsidiary  Guarantors  agree,  jointly and
severally,  to indemnify and hold harmless each Holder of Registrable  Notes and
each  Participating  Broker-Dealer  selling Exchange Notes during the Applicable
Period, the officers,  directors,  employees and agents of each such Person, and
each Person,  if any, who controls any such Person  within the meaning of either
Section 15 of the  Securities  Act or Section 20 of the  Exchange  Act (each,  a
"Participant"), from and against any and all losses, claims, damages, judgments,
liabilities and expenses  (including,  without limitation,  the reasonable legal
fees and other expenses actually incurred in connection with any suit, action or
proceeding or any claim  asserted)  caused by,  arising out of or based upon any
untrue statement or alleged untrue statement of a material fact contained in any
Registration  Statement (or any amendment  thereto) or Prospectus (as amended or
supplemented  if any of the  Issuers  shall have  furnished  any  amendments  or
supplements thereto) or any preliminary prospectus, or caused by, arising out of
or based upon any omission or alleged  omission to state therein a material fact
required to be stated  therein or necessary to make the statements  therein,  in
the case of the Prospectus in light of the  circumstances  under which they were
made,  not  misleading,  except  insofar  as such  losses,  claims,  damages  or
liabilities  are caused by any untrue  statement  or omission or alleged  untrue
statement or omission made in reliance upon and in conformity  with  information
relating  to any  Participant  furnished  to the  Issuers  in  writing  by  such
Participant expressly for use therein; provided,  however, that the Company will
not be liable if such untrue  statement or omission or alleged untrue  statement
or omission was contained or made in any preliminary prospectus and corrected in
the final  Prospectus or any amendment or supplement  thereto and any such loss,
liability,  claim, or damage or expense suffered or incurred by the Participants
resulted from any action, claim or suit by any Person who purchased  Registrable
Notes or Exchange Notes which are the subject thereof from such  Participant and
it is  established in the related  proceeding  that such  Participant  failed to
deliver or provide a copy of the final  Prospectus (as amended or  supplemented)
to such Person with or prior to the confirmation of the sale of such Registrable
Notes or Exchange Notes sold to such Person if required by applicable law.

            (b) Each Participant agrees, severally and not jointly, to indemnify

                                     21
145391.01








and  hold  harmless  each of the  Issuers,  their  respective  directors,  their
respective  officers  who sign the  Registration  Statement  and each Person who
controls each Issuer within the meaning of Section 15 of the  Securities  Act or
Section 20 of the  Exchange  Act to the same extent  (but on a several,  and not
joint,  basis) as the foregoing  indemnity from the Issuers to each Participant,
but only with reference to information relating to such Participant furnished to
the Issuers in writing by such Participant expressly for use in any Registration
Statement or Prospectus, any amendment or supplement thereto, or any preliminary
prospectus.  The liability of any  Participant  under this paragraph shall in no
event exceed the proceeds received by such Participant from sales of Registrable
Notes or Exchange Notes giving rise to such obligations.

            (c) If any suit, action,  proceeding  (including any governmental or
regulatory investigation),  claim or demand shall be brought or asserted against
any Person in respect of which indemnity may be sought pursuant to either of the
two preceding paragraphs,  such Person (the "Indemnified Person") shall promptly
notify the Persons against whom such indemnity may be sought (the  "Indemnifying
Persons")  in  writing,  and  the  Indemnifying  Persons,  upon  request  of the
Indemnified  Person,  shall  retain  counsel  reasonably   satisfactory  to  the
Indemnified  Person to  represent  the  Indemnified  Person  and any  others the
Indemnifying  Persons may reasonably  designate in such proceeding and shall pay
the  fees  and  expenses  actually  incurred  by such  counsel  related  to such
proceeding;  provided,  however,  that the failure to so notify the Indemnifying
Persons shall not relieve any of them of any  obligation or liability  which any
of them may have hereunder or otherwise. In any such proceeding, any Indemnified
Person 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  Person unless (i)
the Indemnifying  Persons and the Indemnified  Person shall have mutually agreed
to the  contrary,  (ii) the  Indemnifying  Persons  shall have  failed  within a
reasonable  period  of time to retain  counsel  reasonably  satisfactory  to the
Indemnified Person or (iii) the named parties in any such proceeding  (including
any impleaded parties) include both any Indemnifying  Person and the Indemnified
Person or any affiliate  thereof 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,  unless there  exists a conflict  among
Indemnified Persons, the Indemnifying Persons shall not, in connection with such
proceeding or separate but substantially  similar related proceeding in the same
jurisdiction arising out of the same general allegations, be liable for the fees
and expenses of more than one separate  firm (in addition to any local  counsel)
for all  Indemnified  Persons,  and  that all such  fees and  expenses  shall be
reimbursed  promptly  as they  are  incurred.  Any  such  separate  firm for the
Participants  and such control  Persons of  Participants  shall be designated in
writing by Participants who sold a majority in interest of Registrable Notes and
Exchange Notes sold by all such Participants and shall be reasonably  acceptable
to the Issuers and any such  separate  firm for the  Issuers,  their  respective
directors,  their  respective  officers and such control  Persons of the Issuers
shall be designated in writing by the Issuers and shall be reasonably acceptable
to the Holders.

            The  Indemnifying  Persons shall not be liable for any settlement of
any proceeding  effected  without its prior written consent (which consent shall
not be unreasonably withheld or delayed), but if settled with such consent or if

                                     22
145391.01








there  be a final  non-appealable  judgment  for the  plaintiff  for  which  the
Indemnified  Person is entitled to  indemnification  pursuant to this Agreement,
each of the  Indemnifying  Persons  agrees to indemnify  and hold  harmless each
Indemnified  Person  from and against  any loss or  liability  by reason of such
settlement or judgment.  No Indemnifying Person shall, without the prior written
consent of the  Indemnified  Persons  (which  consent shall not be  unreasonably
withheld or delayed),  effect any  settlement  or  compromise  of any pending or
threatened  proceeding  in respect of which any  Indemnified  Person is or could
have been a party,  or  indemnity  could  have  been  sought  hereunder  by such
Indemnified Person, unless such settlement (A) includes an unconditional written
release  of  such  Indemnified   Person,   in  form  and  substance   reasonably
satisfactory to such Indemnified  Person,  from all liability on claims that are
the subject matter of such  proceeding and (B) does not include any statement as
to an admission of fault,  culpability or failure to act by or on behalf of such
Indemnified Person.

            (d) If the  indemnification  provided  for in the first  and  second
paragraphs of this Section 7 is for any reason  unavailable  to, or insufficient
to hold  harmless,  an  Indemnified  Person in  respect of any  losses,  claims,
damages or liabilities referred to therein,  then each Indemnifying Person under
such paragraphs,  in lieu of indemnifying such Indemnified Person thereunder and
in order to provide for just and equitable contribution, shall contribute to the
amount paid or payable by such  Indemnified  Person as a result of such  losses,
claims,  damages or liabilities in such  proportion as is appropriate to reflect
(i) the relative benefits received by the Indemnifying  Person or Persons on the
one hand and the Indemnified Person or Persons on the other from the offering of
the Notes or (ii) if the allocation  provided by the foregoing clause (i) is not
permitted  by  applicable  law,  not only such  relative  benefits  but also the
relative  fault of the  Indemnifying  Person or  Persons on the one hand and the
Indemnified  Person or Persons on the other in connection with the statements or
omissions  or alleged  statements  or  omissions  that  resulted in such losses,
claims,  damages or liabilities  (or actions in respect  thereof) as well as any
other relevant equitable  considerations.  The relative benefits received by the
Issuers on the one hand and the  Participants on the other shall be deemed to be
in the same proportion as the total proceeds from the offering (net of discounts
and  commissions  but before  deducting  expenses) of the Notes  received by the
Issuers bears to the total proceeds  received by such  Participant from the sale
of Registrable  Notes or Exchange Notes, as the case may be, in each case as set
forth in the table on the cover page of the  Offering  Memorandum  in respect of
the sale of the Notes.  The relative fault of the parties 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  Issuers  on the  one  hand  or  such
Participant or such other Indemnified  Person, as the case may be, on the other,
the parties' relative intent,  knowledge,  access to information and opportunity
to  correct or prevent  such  statement  or  omission,  and any other  equitable
considerations appropriate in the circumstances.

            (e) The  parties  agree that it would not be just and  equitable  if
contribution  pursuant to this Section 7 were  determined by pro rata allocation
(even if the Participants were treated as one entity for such purpose) or by any


                                     23
145391.01








other  method  of  allocation  that  does  not  take  account  of the  equitable
considerations  referred to in the immediately  preceding paragraph.  The amount
paid or  payable by an  Indemnified  Person as a result of the  losses,  claims,
damages,  judgments,  liabilities  and expenses  referred to in the  immediately
preceding  paragraph shall be deemed to include,  subject to the limitations set
forth above,  any reasonable legal or other expenses  actually  incurred by such
Indemnified Person in connection with investigating or defending any such action
or claim.  Notwithstanding the provisions of this Section 7, in no event shall a
Participant  be  required  to  contribute  any amount in excess of the amount by
which proceeds  received by such Participant from sales of Registrable  Notes or
Exchange  Notes, as the case may be, exceeds the amount of any damages that such
Participant  has  otherwise  been  required to pay or has paid 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 Securities  Act) shall be entitled to  contribution  from any Person who was
not guilty of such fraudulent misrepresentation.

            (f) Any losses, claims,  damages,  liabilities or expenses for which
an indemnified party is entitled to  indemnification  or contribution under this
Section 7 shall be paid by the  Indemnifying  Party to the Indemnified  Party as
such  losses,  claims,  damages,  liabilities  or  expenses  are  incurred.  The
indemnity  and  contribution  agreements  contained  in this  Section  7 and the
representations  and warranties of the Issuers set forth in this Agreement shall
remain  operative  and  in  full  force  and  effect,   regardless  of  (i)  any
investigation  made by or on behalf of any Holder or any  person who  controls a
Holder, any Issuer, their respective directors, officers, employees or agents or
any person controlling any Issuer, and (ii) any termination of this Agreement.

            (g) The  indemnity  and  contribution  agreements  contained in this
Section 7 will be in addition to any liability  which the  Indemnifying  Persons
may otherwise have to the Indemnified Persons referred to above.

8.    Rules 144 and 144A

            The  Issuers  covenant  and  agree  that  each of them will file the
reports  required to be filed by each of them under the  Securities  Act and the
Exchange Act and the rules and  regulations  adopted by the SEC  thereunder in a
timely manner in accordance with the  requirements of the Securities Act and the
Exchange Act and, if at any time any of the Issuers is not required to file such
reports, such Issuer will, upon the request of any Holder or beneficial owner of
Registrable  Notes,  make available such  information  necessary to permit sales
pursuant to Rule 144A under the Securities Act. The Issuers further covenant and
agree, for so long as any Registrable Notes remain outstanding that each of them
will take such further action as any Holder of Registrable  Notes may reasonably
request,  all to the extent  required from time to time to enable such holder to
sell Registrable Notes without  registration under the Securities Act within the
limitation of the exemptions provided by (a) Rule 144(k) and Rule 144A under the
Securities  Act,  as such  Rules may be  amended  from time to time,  or (b) any
similar rule or regulation hereafter adopted by the SEC.

                                     24
145391.01










                                     25
145391.01









9.    Underwritten Registrations

            If any of the  Registrable  Notes covered by any Shelf  Registration
are to be sold in an underwritten  offering, the investment banker or investment
bankers and manager or managers  that will manage the offering  will be selected
by the Holders of a majority in aggregate  principal  amount of such Registrable
Notes  included  in such  offering  and shall be  reasonably  acceptable  to the
Issuers.

            No Holder of Registrable  Notes may participate in any  underwritten
registration  hereunder  unless  such  Holder (a)  agrees to sell such  Holder's
Registrable  Notes  on  the  basis  provided  in any  underwriting  arrangements
approved by the Persons 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.

10.   Miscellaneous

            (a) No Inconsistent  Agreements.  None of the Issuers has, as of the
date hereof,  and none of the Issuers shall,  after the date of this  Agreement,
enter  into  any  agreement  with  respect  to  any of its  securities  that  is
inconsistent with the rights granted to the Holders of Registrable Notes in this
Agreement or otherwise  conflicts with the provisions hereof. The rights granted
to  the  Holders  hereunder  do not  in  any  way  conflict  with  and  are  not
inconsistent with the rights granted to the holders of any of the Issuers' other
issued and outstanding securities under any such agreements. Except as otherwise
disclosed  to the Initial  Purchasers,  none of the Issuers has entered and none
will enter into any agreement with respect to any of its  securities  which will
grant  to  any  Person  piggy-back  registration  rights  with  respect  to  any
Registration Statement.

            (b) Adjustments  Affecting  Registrable  Notes.  None of the Issuers
shall,  directly or indirectly,  take any action with respect to the Registrable
Notes as a class  that would  adversely  affect  the  ability of the  Holders of
Registrable Notes to include such Registrable Notes in a registration undertaken
pursuant to this Agreement.

            (c) Amendments and Waivers. The provisions of this Agreement may not
be amended, modified or supplemented, and waivers or consents to departures from
the  provisions  hereof may not be given,  otherwise than with the prior written
consent of (I) the Issuers and the  Subsidiary  Guarantors,  if any, and (II)(A)
the Holders of not less than a majority  in  aggregate  principal  amount of the
then outstanding Registrable Notes and (B) in circumstances that would adversely
affect  the  Participating  Broker-Dealers,   the  Participating  Broker-Dealers
holding not less than a majority in aggregate  principal  amount of the Exchange
Notes held by all Participating Broker-Dealers;  provided, however, that Section
7 and this Section 10(c) may not be amended,  modified or  supplemented  without
the prior written  consent of each Holder and each  Participating  Broker-Dealer
(including  any  person  who was a  Holder  or  Participating  Broker-Dealer  of
Registrable Notes or Exchange Notes, as the case may be, disposed of pursuant to

                                     26
145391.01








any  Registration  Statement)  affected by any such  amendment,  modification or
supplement.  Notwithstanding  the foregoing,  a waiver or consent to depart from
the provisions  hereof with respect to a matter that relates  exclusively to the
rights of Holders of Registrable  Notes whose securities are being sold pursuant
to a  Registration  Statement and that does not directly or  indirectly  affect,
impair, limit or compromise the rights of other Holders of Registrable Notes may
be given by Holders of at least a majority in aggregate  principal amount of the
Registrable Notes being sold pursuant to such Registration Statement.

            (d)  Notices.  All  notices  and  other  communications  (including,
without limitation, any notices or other communications to the Trustee) provided
for or permitted hereunder shall be made in writing by hand-delivery, registered
first-class mail, next-day air courier or facsimile:

             (i) if to a Holder of the  Registrable  Notes or any  Participating
      Broker-Dealer, at the most current address of such Holder or Participating
      Broker-Dealer,  as the  case  may be,  set  forth  on the  records  of the
      registrar under the Indenture.

            (ii)  if  to  either  of  the  Issuers  or  any  of  the  Subsidiary
      Guarantors, at the address as follows:

                  c/o Abraxas Petroleum Corporation
                  500 N. Loop 1604 East
                  Suite 100
                  San Antonio, Texas
                  Facsimile No.:  (210) 490-8816
                  Attention:  Chief Executive Officer

            All such  notices  and  communications  shall be deemed to have been
duly given: when delivered by hand, if personally delivered;  five business days
after being deposited in the mail, postage prepaid,  if mailed; one business day
after being timely  delivered  to a next-day  air  courier;  and when receipt is
acknowledged by the addressee, if sent by facsimile.

            Copies of all such notices, demands or other communications shall be
concurrently  delivered  by the  Person  giving  the same to the  Trustee at the
address and in the manner specified in such Indenture.

            (e)  Successors  and  Assigns.  This  Agreement  shall  inure to the
benefit of and be binding upon the successors and assigns of each of the parties
hereto, the Holders and the Participating Broker-Dealers.

            (f) Release of Subsidiary  Guarantors.  If any Subsidiary  Guarantor
becomes  a  party  to this  Agreement  and is  subsequently  released  from  its
obligations  under the Indenture in accordance  with the terms thereof then such

                                    27
145391.01








Subsidiary Guarantor shall be released from its obligations hereunder.

            (g)  Counterparts.  This  Agreement may be executed in any number of
counterparts and by the parties hereto in separate  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.

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

            (i) Governing Law. THIS AGREEMENT SHALL BE GOVERNED BY AND CONSTRUED
IN  ACCORDANCE  WITH THE LAWS OF THE STATE OF NEW YORK,  AS APPLIED TO CONTRACTS
MADE AND  PERFORMED  ENTIRELY  WITHIN THE STATE OF NEW YORK,  WITHOUT  REGARD TO
PRINCIPLES OF CONFLICTS OF LAW.

            (j) Severability. If any term, provision, covenant or restriction of
this  Agreement  is held by a court of  competent  jurisdiction  to be  invalid,
illegal,  void  or  unenforceable,  the  remainder  of  the  terms,  provisions,
covenants  and  restrictions  set forth  herein  shall  remain in full force and
effect and shall in no way be affected, impaired or invalidated, and the parties
hereto shall use their best efforts to find and employ an  alternative  means to
achieve the same or substantially  the same result as that  contemplated by such
term, provision,  covenant or restriction.  It is hereby stipulated and declared
to be the  intention of the parties that they would have  executed the remaining
terms, provisions, covenants and restrictions without including any of such that
may be hereafter declared invalid, illegal, void or unenforceable.

            (k) Securities Held by the Issuers or Their Affiliates. Whenever the
consent or approval of Holders of a specified percentage of Registrable Notes is
required hereunder, Registrable Notes held by any of the Issuers or any of their
their  respective  affiliates  (as such  term is  defined  in Rule 405 under the
Securities  Act) shall not be counted in  determining  whether  such  consent or
approval was given by the Holders of such required percentage.

            (l) Third  Party  Beneficiaries.  Holders of  Registrable  Notes and
Participating  Broker-Dealers  are intended  third party  beneficiaries  of this
Agreement, and this Agreement may be enforced by such Persons.

            (m) Entire  Agreement.  This  Agreement,  together with the Purchase
Agreement and the Indenture, is intended by the parties as a final and exclusive
statement of the agreement and understanding of the parties hereto in respect of
the subject  matter  contained  herein and therein and any and all prior oral or
written agreements,  representations, or warranties, contracts,  understandings,
correspondence,  conversations and memoranda between the Holders on the one hand
and the Issuers on the other,  or between or among any agents,  representatives,


                                     28
145391.01








parents,  subsidiaries,  affiliates,  predecessors  in interest or successors in
interest with respect to the subject matter hereof and thereof are merged herein
and replaced hereby.

            (n)  Information  Supplied by the  Participants.  The statements set
forth in the last  paragraph on the front cover page and under the heading "Plan
of Distribution" in the preliminary  offering  memorandum and the final offering
memorandum  in respect of the sale of the Notes (to the extent  such  statements
relate  to a  Participant)  constitute  the only  information  furnished  by the
Participants to the Issuers for the purposes of Section 7 hereof.


                                     29
145391.01








            (o) Subsidiary  Guarantor a Party.  Immediately upon the designation
of any Subsidiary of either Issuer as a Restricted Subsidiary (as defined in the
Indenture),  the Issuers shall cause such Subsidiary to become a party hereto as
a Subsidiary  Guarantor by executing and delivering to the Initial  Purchasers a
counterpart hereof.

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



ABRAXAS PETROLEUM CORPORATION             BT SECURITIES CORPORATION,
                                            as Initial Purchaser


By:                                       By:

Name:                                     Name:
Title:                                    Title:


CANADIAN ABRAXAS PETROLEUM                BANKERS TRUST INTERNATIONAL
   LIMITED                                PLC,
                                             as Initial Purchaser


By:                                       By:

Name:                                     Name:
Title:                                    Title:


                                          JEFFERIES & COMPANY, INC.,
                                            as Initial Purchaser


                                          By:

                                          Name:
                                          Title:


                                         

                                     30
145391.01




                                          ING BARING (U.S.) SECURITIES
                                          CORPORATION,
                                             as Initial Purchaser




                                          By:
  
                                          Name:
                                          Title:








                                     31
145391.01







            Each of the  undersigned by its execution  hereof agrees to become a
party to this  Agreement  as a  Subsidiary  Guarantor as of the date first above
written:


                                    By:
                                          Name:
                                          Title:

                                     32
145391.01