Document:

<PAGE>

                                                                    EXHIBIT 10.1

                               SERVICE AGREEMENT

                                by and between

                          ARGOSY ENERGY INTERNATIONAL

                                      and

                             AVIVA OVERSEAS, INC.

                           Dated as of June 1, 2000
<PAGE>

                               Table of Contents

<TABLE>
<S>                                                                                <C>
ARTICLE I     TERM OF AGREEMENT......................................................2
      Section 1.1....................................................................2

ARTICLE II    RENDITION OF SERVICES BY CONTRACTOR TO CLIENT..........................3
      Section 2.1....................................................................3
      Section 2.2....................................................................3
      Section 2.3....................................................................4

ARTICLE III   LIMITATION OF AUTHORITY OF CONTRACTOR..................................4
      Section 3.1....................................................................4
      Section 3.2....................................................................5
      Section 3.3....................................................................5

ARTICLE IV    SPECIAL PROVISIONS.....................................................5
      Section 4.1    Non-Compete.....................................................5
      Section 4.2    Colombia Opportunities..........................................6
      Section 4.3    Service Priorities..............................................7
      Section 4.4    Drafting........................................................7

ARTICLE V     COMPENSATION OF CONTRACTOR BY CLIENT...................................7
      Section 5.1....................................................................7
      Section 5.2....................................................................7

ARTICLE VI    CONTROL OF INFORMATION.................................................8

ARTICLE VII   NOTICES................................................................8

ARTICLE VIII  RECISSION OF PRIOR AGREEMENT; MERGER;
              NO MODIFICATION EXCEPT IN WRITING......................................9
      Section 8.1....................................................................9
      Section 8.2....................................................................9

ARTICLE IX    GOVERNING LAW.........................................................10
      Section 9.1...................................................................10

ARTICLE X     NO ASSIGNMENT.........................................................10
      Section 10.1..................................................................10

ARTICLE XI    ARBITRATION...........................................................10
      Section 11.1      Agreement to Arbitrate......................................10
      Section 11.2      Notice of Arbitration.......................................11
      Section 11.3      Selection of Arbitrator.....................................12
      Section 11.4      Award Final.................................................12
      Section 11.5      Availability of Injunctive Relief...........................12

ARTICLE XII   SUBMISSION TO JURISDICTION; AGENT FOR SERVICE.........................12
</TABLE>

                                       i
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                               SERVICE AGREEMENT

          SERVICE AGREEMENT ("Agreement"), dated the /1/st day of June, 2000,
between Argosy Energy International, a Utah LP, with address at c/o Crosby
Capital LLC, 712 Main Street, Suite 1700, Houston, Texas 77002 (hereinafter
referred to as "Client"), and Aviva Overseas, Inc., a Delaware corporation, with
address at 8235 Douglas Avenue, Suite 400, Dallas, Texas 75225 (hereinafter
referred to as "Contractor.")

          WHEREAS, Client holds certain oil and gas interests situated in the
Republic of Colombia, S.A. ("Colombia"); and

          WHEREAS, Client desires to engage Contractor to render services; and

          IN CONSIDERATION of the covenants, agreements, terms and conditions
herein contained, Client and Contractor hereby agree as follows:

                                   ARTICLE I

                               TERM OF AGREEMENT
                               -----------------
Section 1.1

          Except as otherwise provided in this Article I, this Agreement shall
remain in full force and effect for a term of twenty-two (22) months from the
date first above written, and shall continue thereafter from month to month,
unless terminated by either party hereto by written notice given to the other at
least thirty (30) days prior to the expiration of the term then in effect;
provided, however, that Contractor shall continue to be bound by the obligations
of Section 4.1 and Article VI hereof subsequent to termination of this Agreement
for any reason whatsoever.

          (a)  If either party hereto shall be in default in any material
respect of any of the terms, covenants, or conditions herein contained, the
other party hereto may give to the defaulting party written notice of its
default, and if the defaulting party fails to cure such default within fifteen
(15) days after such notice, this Agreement may be terminated upon notice by the
other party hereto.

                                       2
<PAGE>

          (b)  In the event of the institution of any action or proceeding under
any bankruptcy or insolvency law or any law for the relief of creditors against
either party hereto, or in the event of the appointment of a receiver or trustee
for the benefit of creditors of either party hereto, the other party may, by
notice, immediately terminate this Agreement.

          (c)  Client shall have the option to terminate this Agreement upon
notice in the event (i) either Ronald Suttill or Jay Busby is no longer a full
time employee of Aviva Petroleum, Inc., a Texas corporation, and an officer of
Contractor, or (ii) either of such individuals becomes incapacitated and is
unable to perform the responsibilities of a full time employee.

                                  ARTICLE II

                 RENDITION OF SERVICES BY CONTRACTOR TO CLIENT
                 ---------------------------------------------

Section 2.1

          Throughout the term hereof or any continuation thereof, Contractor
shall cause to be rendered to Client the following services, to the extent and
in the manner, form and frequency required by Client:

          A.   Accounting/Finance

          B.   General Administration

          C.   Special Projects

          D.   Colombia On-site Requirements

          The foregoing service, denominated "A" through "D", inclusive, shall
hereinafter be referred to, collectively, as "Services."

Section 2.2

          Contractor shall devote sufficient time to the duties and
responsibilities to perform its obligations; and will at all times faithfully,
industriously, and to the best of its ability, experience and talents, perform
all such duties and responsibilities in a good and workmanlike manner.
Contractor shall cause to be furnished all personnel (including professional,
executive, technical, administrative and clerical), equipment, systems and
materials reasonably necessary to provide the Services to Client.

                                       3
<PAGE>

Section 2.3

          A.   Accounting/Finance services shall consist of maintenance of
accounting books and records for Client in conformity with generally accepted
accounting principles in the jurisdiction in which Client is located, including
maintenance of the general ledger, accounts receivable and payable records,
monthly preparation of statements, plan comparisons to actual budget reporting,
cash accounting and bookkeeping. Furthermore, Accounting/Finance services shall
consist of Contractor providing operational advice concerning policy and
controls for (i) treasury functions, including but not limited to, money
management, bank relations and borrowings, and (ii) insurance and tax matters.

          B.   General Administration services shall consist of providing
executive guidance, creating and maintaining project logs, preparation of
general business plans, proposing control of administrative business efficiency
and organizational structure, regular status reporting and providing
recommendations regarding personnel hiring, placement, promotion and
compensation, and sundry other general office services.

          C.   Special Project Services shall include assistance in the
preparation of year-end reserve engineering report and annual audited financial
statements for the Client.

          D.   Colombia On-Site Requirements shall include quarterly meetings in
Bogota with Client staff by Ron Suttill and one annual field trip by Ron Suttill
to the Client production facilities. To the extent deemed necessary by Client,
Jay Busby shall attend one annual meeting a year in Bogota.

                                  ARTICLE III

                     LIMITATION OF AUTHORITY OF CONTRACTOR
                     -------------------------------------
Section 3.1

          Contractor is not authorized or empowered by this Agreement to act as
Client's agent and except as herein above provided, Contractor shall have no
power or authority to and shall not negotiate or conclude any contract,
agreement, bond or other instrument or legal undertaking whatsoever on behalf of
or in the name of Client, nor shall Contractor acknowledge, deliver, cancel,
revoke, vary, amend or otherwise effect any contract, agreement, bond or other
instrument or legal undertaking whatsoever on behalf or in the name of Client.
Contractor agrees that neither it nor any of its employees or representatives
will hold himself out or represent to potential venture parties or Ecopetrol or
to the trade that they have authority to make contracts or commitments on behalf
of or in the name of

                                       4
<PAGE>

Client. Contractor, its employees and officers shall have no authority to (i)
execute any checks or negotiable instruments on behalf of Client or (ii)
initiate wire transfers or other bank transfers on behalf of Client.

Section 3.2

          In its performance of Services hereunder Contractor will at all times
act in the capacity of an independent contractor with respect to Client. Nothing
in this Agreement shall constitute or be construed as constituting or tending to
establish a joint venture, partnership or agency relationship between Contractor
and Client for any purpose whatsoever. Except as required for the full and
faithful performance of this Agreement, neither party shall be bound by or be
liable for any act or omission of the other party or for any purpose, warranty,
representation, obligation or debt incurred by the other.

Section 3.3

          In certain circumstances, Client may delegate specific authority to
Contractor to negotiate on behalf of Client or take other actions on behalf of
Client. In such circumstances, a written delegation must be signed by Client
prior to such delegation. Therefore in all other cases, contractor shall be
deemed an advisor to Client.

                                  ARTICLE IV

                              SPECIAL PROVISIONS
                              ------------------

Section 4.1    Non-Compete

               (a)  Non Compete. Contractor, Aviva Petroleum, Inc., any employee
                    -----------
of Aviva Petroleum, Inc., any officer or director of Contractor or Aviva
Petroleum, Inc., and any affiliate of Contractor or Aviva Petroleum, Inc. will
not, during the term of this Agreement and the two years following termination
of this Agreement, directly or indirectly, for any reason, for its own account
or on behalf of or together with any other Person:

                    (i)    own, finance, control, or participate in the
               ownership or control of, or become a principal, agent, or other
               representative of any Person engaged in a business competitive
               with Client in Colombia;

                    (ii)   accept employment with a Person that is engaged
               in a business competitive  with Client in Colombia;

                                       5
<PAGE>

                    (iii)  permit its name to be used by or in connection with a
               business competitive with Client in Colombia;

                    (iv)   solicit, divert, recruit or employ any employee of
               Client, or induce any employee thereof to terminate his or her
               employment;

                    (v)    call on, solicit, perform services for any Person
               that is or has been a venture partner of Client or any
               prospective venture partner that had received or, to the
               knowledge of the Client, was about to receive a business proposal
               therefrom, for the purpose of soliciting or selling any product
               or service in competition Client in Colombia;

                    (vi)   advise or suggest to any Person that such Person
               curtail, cancel or withdraw its business from Client; or

                    (vii)  call on any Entity which has been called on by Client
               in connection with a possible acquisition by Client, with the
               knowledge of that Entity's status as such an acquisition
               candidate, for the purpose of acquiring that Entity or arranging
               the acquisition of that Entity by any Person other than Client:
               or

                    (viii) participate in any business activities in Colombia in
               the oil & gas exploration, production, transportation and service
               industries.

Section 4.2    Colombia Opportunities

          Contractor shall advise Client of any and all potentially viable
opportunities in Colombia. Such opportunities shall be limited to the oil & gas
exploration, production, transportation, and service industries. If Contractor
advises Client of a potentially viable opportunity in Colombia and Client elects
not to pursue that opportunity, but the general partner of Client, either
directly or through an affiliated entity, elects to pursue that opportunity at
any time within one (1) year of the date it has been presented by Contractor to
Client, then the general partner of Client agrees, by its execution of this
Agreement, to offer Contractor the opportunity to participate, on a "heads-up"
basis, in said opportunity, based upon its percentage interest in the Client.

                                       6
<PAGE>

Section 4.3    Service Priorities

          Client shall set the monthly priorities for Contractor. To the extent
Client requires no services in such month, Contractor shall be so advised and
relieved of its obligation to perform such services. However, such action by
Client shall not relieve Client of obligation to pay for such monthly services.

Section 4.4    Drafting

          Neither this Agreement nor any provision contained in this Agreement
shall be interpreted in favor of or against any party hereto because such party
or its legal counsel drafted this Agreement or such provision.

                                   ARTICLE V

                     COMPENSATION OF CONTRACTOR BY CLIENT
                     ------------------------------------

Section 5.1

          For and in consideration of the Services to be furnished by
Contractor, to Client hereunder, Client shall pay at the end of each month a fee
to be computed and paid in the manner set forth herein below:

          (a)  The monthly fee for the period June 1, 2000, through March 31,
               2001, shall be $71,000.

          (b)  The monthly fee for the period April 1, 2001, through March,
               2002, shall be $46,000.

          (c)  The monthly fee after March 2002 shall be $21,000. Section 5.2

          The Contractor shall bear all of its own out-of-pocket expenses
including, but not limited to, travel expenses. Additionally, the Contractor
shall pay or reimburse Client for any and all third-party fees related to (i)
annual reserve engineer reports and (ii) the year-end audits to the extent such
fees arise from audit activities in the United States. All other third party
fees incurred by Contractor (other than general administrative overhead costs)
in performance of its duties under this Agreement pursuant to written
authorization or instruction from Client shall be paid or reimbursed by Client.

                                       7
<PAGE>

                                  ARTICLE VI

                            CONTROL OF INFORMATION
                            ----------------------

          Contractor shall promptly return all information, whether of a
promotional, administrative, operational or economic nature, in tangible form
furnished to it in the course of the performance of its Services hereunder
together with all copies made therefrom, upon the request of Client and/or the
party who furnished such information, or shall destroy or otherwise dispose of
the same as directed by Client. Contractor shall not disclose any of Client's
information to any other person, firm or corporation without Client's express
consent. The obligations of Contractor provided in this Article VI shall survive
termination of this Agreement for any reason whatsoever, but shall not extend to
promotional material disseminated by Client to the public.

          Additionally, nothing in this Article VI shall prevent Contractor, in
its capacity as limited partner of Client, from obtaining, retaining, and using
any information about Client or its business as may be permitted by the terms
and provisions of the Limited Partnership Agreement of Client.

                                  ARTICLE VII

                                    NOTICES
                                    -------

          All notices, requests, demands and other communications called for or
contemplated hereunder shall be in writing and shall be deemed to have been duly
given when sent to the party to whom addressed by registered or certified mail,
return receipt requested, postage prepaid, by overnight courier, with the fees
therefore prepaid or billed to the sender, or by telecopy, telegram, telex or
wire (if promptly confirmed by mail or overnight courier as provided above) to
the parties, their successors in interest, or their assignees at the following
addresses, or at such other addresses as the parties may designate by written
notice in the manner aforesaid:

          If to Client:     Argosy Energy International
                                              c/o Bunker Hill Associates, Inc.
                                              712 Main Street, Suite 1700
                                              Houston, Texas 77002
                                              Attn: Jay A. Chaffee
                                              Facsimile No.  (713) 223-5379

          with copies to:   Gibson, Dunn & Crutcher LLP
                                              2100 McKinney, Suite 1100
                                              Dallas, Texas 75201
                                              Attn: Michael A. Rosenthal
                                              Facsimile No. (214) 698-3400

                                       8
<PAGE>

          If to Contractor: Aviva Overseas, Inc.
                                              8235 Douglas Avenue
                                              Suite 400
                                              Dallas, Texas 75225
                                              Attn: Ronald Suttill
                                              Facsimile No. (214) 691-6151

          With copies to:   Jenkens & Gilchrist, a Professional Corporation
                                              1445 Ross Avenue
                                              Suite 3200
                                              Dallas, Texas 75202
                                              Attn: Barry F. Cannaday
                                              Facsimile No. (214) 969-7196

                                 ARTICLE VIII

   RESCISSION OF PRIOR AGREEMENT; MERGER; NO MODIFICATION EXCEPT IN WRITING
   ------------------------------------------------------------------------

Section 8.1

          This Agreement constitutes the entire agreement between the parties
hereto with respect to the subject matter hereof. All prior understandings and
agreements between the parties relating to the subject matter hereof are hereby
rescinded and terminated, and are hereby superceded by this Agreement. Neither
party is relying upon any statement, representation or warranty, either express
or implied, made by or on behalf of the other, not expressly set forth herein.

Section 8.2

          Except as otherwise provided, this Agreement may not be modified,
waived, discharged or terminated, except by a writing signed by the party
against whom same is sought to be enforced.

                                  ARTICLE IX

                                 GOVERNING LAW
                                 -------------
Section 9.1

          The validity, construction and performance of this Agreement shall be
governed by the law of Texas.

                                       9
<PAGE>

                                   ARTICLE X

                                 NO ASSIGNMENT
                                 -------------

Section 10.1

          Neither party hereto may assign this Agreement, `nor any rights or
obligations hereunder. Any attempted or actual assignment hereof shall be null
and void.

                                  ARTICLE XI

                                  ARBITRATION
                                  -----------

Section 11.1   Agreement to Arbitrate

          Except as expressly provided herein, all disputes between Contractor
and the Client arising out of or in connection with the execution,
interpretation and performance of this Agreement (including the validity, scope
and enforceability of this Article 11) shall, to the fullest extent permitted by
                           ----------
law, be solely and finally settled by a sole arbitrator, as set forth below (the
"Arbitrator"). THE ARBITRATION PROCEEDINGS SHALL BE HELD IN DALLAS COUNTY,
TEXAS, AND EXCEPT AS OTHERWISE MAY BE PROVIDED IN THIS ARTICLE 11, THE
                                                       ----------
ARBITRATION PROCEEDINGS SHALL BE CONDUCTED PURSUANT TO AND IN ACCORDANCE WITH
THE TEXAS GENERAL ARBITRATION ACT, TEX. CIV. PRAC. & REM. CODE (S) 171.000 ET
SEQ. (VERNON 1996) ("TGAA") AND THE COMMERCIAL ARBITRATION RULES (THE "AAA
                                                                       ---
RULES") OF THE AMERICAN ARBITRATION ASSOCIATION (THE "AAA"), TO THE EXTENT THE
-----                                                 ---
AAA RULES ARE NOT INCONSISTENT WITH THE TGAA (THE TGAA AND THE AAA RULES ARE
COLLECTIVELY REFERRED TO AS THE "ARBITRATION RULES").

Section 11.2   Notice of Arbitration

          If Contractor, on the one hand, or the Client, on the other hand,
determines to submit a dispute to arbitration pursuant to this Article 11 such
                                                               ----------
party shall furnish the AAA and the other party(s) with a dated, written
statement indicating (i) such party's intent to commence arbitration proceedings
pursuant to this Article 11, (ii) the name and address of such party and a
                 ----------
designated officer or agent thereof, (iii) the nature, with reasonable detail,
of the dispute, (iv) the remedy such party will seek and (v) any other
information required under the Arbitration Rules.

                                       10
<PAGE>

Section 11.3   Selection of Arbitrator

          The Arbitrator, who shall be selected in accordance with the
procedures of the AAA, shall be a retired or former state district court judge
for the State of Texas or a retired or former judge of any Federal court
appointed under Article III of the United States Constitution who presided in a
court located in the State in which the arbitration is conducted.

Section 11.4   Award Final

          To the extent permissible under applicable law, the parties hereto
agree that the award of the Arbitrators shall be final and shall not be subject
to judicial review, except as permitted by Texas law. Judgment on the
arbitration award may be entered and enforced in any court having jurisdiction
over the parties or their assets. It is the intent of the parties that the
arbitration provisions hereof be enforced to the fullest extent permitted by
applicable law.

Section 11.5   Availability of Injunctive Relief

          Any party hereto may request a court of competent jurisdiction, as set
forth in Article 12 hereof, to grant provisional injunctive relief to such party
         ----------
solely for the purpose of maintaining the status quo until an arbitrator can
render an award on the matter in question and such award can be confirmed by a
court having jurisdiction thereof.

                                  ARTICLE XII

                 SUBMISSION TO JURISDICTION; AGENT FOR SERVICE
                 ---------------------------------------------

EACH OF THE PARTIES HERETO CONSENTS TO THE  JURISDICTION OF ANY STATE OR FEDERAL
COURT  LOCATED  WITHIN  THE COUNTY OF DALLAS,  STATE OF TEXAS,  AND  IRREVOCABLY
AGREES  THAT ALL  ACTIONS  OR  PROCEEDINGS  RELATING  TO THIS  AGREEMENT  OR ANY
AGREEMENT OR INSTRUMENT EXECUTED HEREUNDER,  OTHER THAN ANY ACTION OR PROCEEDING
REQUIRED BY ARTICLE 11 TO BE  SUBMITTED  TO  ARBITRATION,  SHALL BE LITIGATED IN
            ----------
SUCH  COURTS,  AND EACH OF THE PARTIES  WAIVES ANY  OBJECTION  WHICH IT MAY HAVE
BASED ON PERSONAL  JURISDICTION,  IMPROPER  VENUE OR FORUM NON CONVENIENS TO THE
CONDUCT OF ANY SUCH ACTION OR

                                       11
<PAGE>

PROCEEDING IN ANY SUCH COURT AND WAIVES PERSONAL SERVICE OF ANY AND ALL PROCESS
UPON IT, AND CONSENTS TO ALL SUCH SERVICE OF PROCESS MADE IN THE MANNER SET
FORTH IN ARTICLE VII. Nothing contained in this Article 12 shall affect the
         -----------                            ----------
right of any party to serve legal process on any other party in any other manner
permitted by law. Nothing contained in this Article 12 shall affect the
                                            ----------
obligations of the parties with respect to the arbitration of disputes under
Article 11.
----------

         IN WITNESS WHEREOF, the parties hereto have duly executed this
Agreement on the date first above written.

ARGOSY ENERGY INTERNATIONAL                      AVIVA OVERSEAS, INC.
---------------------------                      -------------------
By:  CROSBY ACQUISITION, LLC, General Partner

     By:   Crosby Capital, LLC, as sole member      By:  /s/ R. Suttill
                                                         --------------------
                                                         Ronald Suttill
                                                         President

           By:   /s/ Jay A. Chaffee
              --------------------------
                 Jay A. Chaffee
                 President

                                       12<PAGE>

                                                                    EXHIBIT 10.2

                                                Crosby Capital, LLC
                                                c/o Bunker Hill Associates, Inc.
                                                712 Main Street
                                                Suite 1700
                                                Houston, Texas 77002

                                 June 8, 2000

Mr. Ronald Suttill, President
Aviva America, Inc.
8235 Douglas Avenue
Suite 400
Dallas, Texas 75225

     Re:  Requested Consent and Waiver Under Loan Documents

Dear Mr. Suttill:

     As you are aware, Crosby Capital, LLC ("Crosby") acquired as of May 1, 2000
from ING (U.S.) Capital, LLC, that certain Promissory Note dated October 28,
1998 made by Neo Energy, Inc. in the original principal amount of $9,000,000
(the "ING Note"). Crosby also acquired as of May 1, 2000 from the Overseas
Private Investment Corporation, an agency of the United Stated ("OPIC"), that
certain Stage I Promissory Note made by Argosy Energy International dated August
12, 1994 in the original principal amount of $4,400,000 and that certain Stage
II Promissory Note made by Argosy Energy International dated October 25, 1995 in
the original principal amount of $4,800,000 together with all related security
documents, loan documents, pledge agreements, and related rights for each
(collectively, the "Loan Documents").

     Under the terms of the Loan Documents, Crosby currently has a perfected
lien and security interest in, among other properties, the oil, gas and mineral
interests owned by Aviva America, Inc. ("Aviva America") in the State of
Louisiana, including, but not limited to Aviva America's oil and gas properties
in the Breton Sound 31 field, offshore Louisiana (the "Breton Sound
Properties"). Aviva America has advised Crosby that it has negotiated a Farmout
Agreement with Savon Nouvelle Petroleum, Inc. ("Savon") under which Aviva
America has agreed to farmout its deep rights in and to the Breton Sound
Properties to Savon. A copy of the form of Farmout Agreement that has been
negotiated by Aviva America with Savon is attached hereto as Exhibit A (the
"Savon Farmout Agreement").

         One of the conditions set out in the Savon Farmout Agreement is that
Aviva America obtain a release and/or subordination of Crosby's liens and
security interest in and to the Breton Sound Properties insofar as they burden
the interest to be farmed out to Savon under the terms of
<PAGE>

the Savon Farmout Agreement. Crosby, subject to the terms and provisions
hereinafter set out, has agreed to provide a subordination of its liens and
security interest in the Breton Sound Properties to the rights to be earned by
Savon under the terms of the Savon Farmout Agreement. Specifically, Crosby
consents to Aviva America's entry into the Savon Farmout Agreement and agrees to
subordinate its liens and security interest to the interest to be earned by
Savon under the terms of the Savon Farmout Agreement subject to the following
terms and conditions:

     1.   A Farmout Agreement in substantially the form of the Savon Farmout
          Agreement must be executed by Aviva America and Savon no later than
          August 1, 2000.

     2.   Upon Savon's execution of a farmout agreement in substantially the
          form attached hereto as Exhibit A on or before August 1, 2000, Crosby
          agrees to execute and deliver to Savon its commitment to subordinate
          its liens and security interest to the rights to be earned by Savon
          under the terms of the Savon Farmout Agreement, said agreement to be
          in substantially the form of the letter agreement attached hereto as
          Exhibit B.

     3.   To the extent that Aviva America's entry into the Savon Farmout
          Agreement in accordance with the terms and provisions of this consent
          violates any of the covenants or agreements of Aviva America or any of
          its affiliates under any of the Loan Documents, Crosby hereby waives
          such violations for the sole purpose of authorizing Aviva America to
          enter into the Savon Farmout Agreement and the execution of any
          documentation necessary to effect that transaction. Except as set
          forth in the immediately preceding sentence, Aviva America hereby
          agrees, on its own behalf and on behalf of its affiliates, that such
          waiver does not constitute a waiver of, or a consent to, any present
          or future violation of or noncompliance with any provision of the Loan
          Documents or a waiver of Crosby to insist upon future compliance with
          each term, covenant, condition and provision of the Loan Documents.

     This consent and waiver may be executed in one or more counterparts, each
of which when so executed shall be deemed to be an original, but all of which
when taken together shall constitute one in the same instrument.

     Please indicate in the appropriate space provided below your agreement
to the terms and conditions of this consent and waiver. This consent and waiver
shall not be of any force and effect until such time as Crosby has received your
written agreement thereto in the space provided below.
<PAGE>

                                       Very truly yours,

                                       CROSBY CAPITAL, LLC

                                       By:  /s/ Jay A. Chaffee
                                            ------------------

                                       Name: Jay A. Chaffee
                                             --------------

                                       Title: President
                                              -------------

AGREED TO AND ACCEPTED THIS 8th day of June, 2000.
                            ---

AVIVA AMERICA INC.

By: /s/ R. Suttill
    ---------------------------------
        Ronald Suttill, President

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