Document:

<PAGE>   1

                                   EXHIBIT 4.2

                                 AMENDMENT NO. 1
                                       TO
                           CREDIT FACILITIES AGREEMENT
                       (THAT WAS EFFECTIVE MARCH 20, 2001)
                                 BY AND BETWEEN
                              BANK OF AMERICA, N.A.
                      AS ADMINISTRATIVE AGENT AND A LENDER
                                       AND
                       THE OTHER LENDERS SIGNATORY THERETO
                                       AND
                             YOUNG INNOVATIONS, INC.
                                   AS BORROWER

In consideration of their mutual agreements herein and for other sufficient
consideration, the receipt of which is hereby acknowledged, YOUNG INNOVATIONS,
INC. ("Borrower"), BANK OF AMERICA, N.A. (as "Administrative Agent") and the
undersigned Lenders who signed the Original Loan Agreement, agree as follows:

1. DEFINITIONS; SECTION REFERENCES. The term "Original Loan Agreement" means the
Credit Facilities Agreement effective as of March 20, 2001, between Borrower,
Administrative Agent and the Lenders signatory thereto. The term "this
Amendment" means this Amendment. Capitalized terms used and not otherwise
defined herein have the meanings defined in the Original Loan Agreement, except
that the term "this Agreement" in the Original Loan Agreement shall be deemed to
mean the Original Loan Agreement as amended by this Amendment. Section
references are to sections of the Original Loan Agreement unless otherwise
indicated.

2. EFFECTIVE DATE OF THIS AMENDMENT. Provided that Administrative Agent has
received this Amendment fully executed by all parties hereto and all of the
documents and other items listed or described on Exhibit A hereto on or before
the date set forth on Exhibit A for delivery of such documents or other items,
with each being satisfactory to Administrative Agent and (as applicable) duly
executed and (also as applicable) sealed, attested, acknowledged, certified, or
authenticated, this Amendment shall be effective April 20, 2001 (the "Effective
Date"). If this Amendment does not become effective, the Original Loan Agreement
shall continue in full force and effect as it existed in the absence of this
Amendment.

3. AMENDMENTS TO ORIGINAL LOAN AGREEMENT.

         3.1. COMMERCIAL LETTER OF CREDIT FEE. Section 5.3 is hereby deleted and
         replaced with the following:

                   5.3 COMMERCIAL LETTER OF CREDIT FEE. Borrower shall pay to
                   Administrative Agent for the account of Letter of Credit
                   Issuer and each other Lender a non-refundable, recurring
                   Commercial Letter of Credit Fee for each commercial Letter of
                   Credit issued by Letter of Credit Issuer that is equal to
                   .25% of the average daily maximum amount available to be
                   drawn under such commercial Letter of Credit computed at a
                   per annum rate for each day from the date of issuance to the
                   date of expiration. Such Commercial Letter of Credit Fee
                   shall be payable quarterly, in arrears, on the last Business
                   Day of each calendar quarter (for the immediately preceding
                   quarter or portion thereof), until the earlier of its

<PAGE>   2

                   expiration or the Revolving Loan Maturity Date. The
                   Commercial Letter of Credit Fee will be distributed by
                   Administrative Agent to Lenders in accordance with their pro
                   rata shares of the Aggregate Revolving Loan Commitment.

         3.2. EXTENSION OF MATURITY. The date "April 30, 2002", each place it
         appears in Section 6.1.2, is deleted and replaced with the date "April
         30, 2004".

         3.3. NEW DEFINED TERM. The following new defined terms are hereby added
         in alphabetical order to the defined terms listed in Section 15.1:

                   Adjusted Net Worth means Net Worth plus the Treasury
                   Securities Amount.

                   Treasury Securities Amount means, on any date of
                   determination, the lesser of (i) the Dollar amount of
                   Borrower's treasury securities on such date determined in
                   accordance with GAAP minus $3,537,000, and (ii) $15,000,000.

         3.4. NEW FINANCIAL COVENANT. The following new Section 15.4 is added
         immediately after Section 15.3:

                   15.4. MINIMUM ADJUSTED NET WORTH. Borrower's Adjusted Net
                   Worth, measured at the end of each fiscal quarter of Borrower
                   shall not be less than an amount equal to the sum of (A)
                   $54,393,000, and (B) 75% of Borrower's cumulative Net Income
                   (without deduction for fiscal quarters in which there is no
                   positive Net Income) for all fiscal quarters of Borrower
                   ended after December 31, 2000.

4. EFFECT OF AMENDMENT. The execution, delivery and effectiveness of this
Amendment shall not operate as a waiver of any right, power or remedy of
Administrative Agent or any Lender under the Original Loan Agreement or any of
the other Loan Documents, nor constitute a waiver of any provision of the
Original Loan Agreement, or any of the other Loan Documents. Each reference in
the Original Loan Agreement to "the Agreement", "hereunder", "hereof", "herein",
or words of like import, shall be read as referring to the Original Loan
Agreement as amended hereby.

5. REPRESENTATIONS AND WARRANTIES OF BORROWER. Borrower hereby represents and
warrants to Lenders that (i) execution of this Amendment has been duly
authorized by all requisite action of Borrower; (ii) no consents are necessary
from any third parties for Borrower's execution, delivery or performance of this
Amendment, (iii) this Amendment and the Original Loan Agreement constitute the
legal, valid and binding obligations of Borrower enforceable against Borrower in
accordance with their terms, except to the extent that the enforceability
thereof against Borrower may be limited by bankruptcy, insolvency or other laws
affecting the enforceability of creditors rights generally or by equity
principles of general application, (iv) except as disclosed on the supplemental
disclosure schedule attached hereto as Exhibit B and the disclosure schedule
attached to the Original Loan Agreement, all of the representations and
warranties contained in Section 11 of the Original Loan Agreement, as amended
hereby, are true and correct with the same force and effect as if made on and as
of the Effective Date, and (v) there is no Existing Default and no Default or
Event or Default will occur immediately or with the passage of time or giving of
notice as a consequence of this Amendment becoming effective.

6. REAFFIRMATION. Borrower hereby acknowledges and confirms that (i) except as
expressly amended hereby, the Original Loan Agreement and other Loan Documents
remain in full force and effect, (ii) the Original Loan Agreement, as amended
hereby, is in full force and effect, (iii) Borrower has no defenses to its
obligations under the Original Loan Agreement and the other Loan Documents, and
(iv) Borrower

                                       2

<PAGE>   3

has no claim of any nature against Administrative Agent or any Lender arising
from or in connection with the Original Loan Agreement or the other Loan
Documents.

7. COUNTERPARTS. This Amendment may be executed by the parties hereto on any
number of separate counterparts, and all such counterparts taken together shall
constitute one and the same instrument. It shall not be necessary in making
proof of this Amendment to produce or account for more than one counterpart
signed by the party to be charged.

8. COUNTERPART FACSIMILE EXECUTION. This Amendment, or a signature page thereto
intended to be attached to a copy of this Amendment, signed and transmitted by
facsimile machine or telecopier shall be deemed and treated as an original
document. The signature of any Person thereon, for purposes hereof, is to be
considered as an original signature, and the document transmitted is to be
considered to have the same binding effect as an original signature on an
original document. At the request of any party hereto, any facsimile or telecopy
document is to be re-executed in original form by the Persons who executed the
facsimile or telecopy document. No party hereto may raise the use of a facsimile
machine or telecopier or the fact that any signature was transmitted through the
use of a facsimile or telecopier machine as a defense to the enforcement of this
Amendment.

9. GOVERNING LAW; NO THIRD PARTY RIGHTS. This Amendment and the rights and
obligations of the parties hereunder shall be governed by and construed and
interpreted in accordance with the internal laws of the State of Missouri
applicable to contracts made and to be performed wholly within such state,
without regard to choice or conflict of laws provisions.

10. FINAL EXPRESSION; NO COURSE OF DEALING. This Amendment is intended by the
parties as a final expression of their agreement evidenced hereby and is
intended as a complete and exclusive statement of the terms and conditions
thereof.

11. INCORPORATION BY REFERENCE. Administrative Agent, the undersigned Lenders
and Borrower hereby agree that all of the terms of the Loan Documents are
incorporated in and made a part of this Amendment by this reference.

12. STATUTORY NOTICE. The following notice is given pursuant to Section 432.045
of the Missouri Revised Statutes; nothing contained in such notice will be
deemed to limit or modify the terms of the Loan Documents or this Amendment:

         ORAL AGREEMENTS OR COMMITMENTS TO LOAN MONEY, EXTEND CREDIT OR TO
         FORBEAR FROM ENFORCING REPAYMENT OF A DEBT INCLUDING PROMISES TO EXTEND
         OR RENEW SUCH DEBT ARE NOT ENFORCEABLE. TO PROTECT YOU (BORROWER(S))
         AND US (CREDITOR) FROM MISUNDERSTANDING OR DISAPPOINTMENT, ANY
         AGREEMENTS WE REACH COVERING SUCH MATTERS ARE CONTAINED IN THIS
         WRITING, WHICH IS THE COMPLETE AND EXCLUSIVE STATEMENT OF THE AGREEMENT
         BETWEEN US, EXCEPT AS WE MAY LATER AGREE IN WRITING TO MODIFY IT.

                     [remainder of page intentionally blank]

                                       3

<PAGE>   4

         IN WITNESS WHEREOF, the parties have caused this Amendment to be
executed by appropriate duly authorized officers as of the Effective Date.

<TABLE>
<S>                                         <C>
YOUNG INNOVATIONS, INC.                     BANK OF AMERICA, N.A., as Administrative
by its Executive Vice President and Chief   Agent
Financial Officer                           by its Vice President

                                            ----------------------------------------
                                            Name:  David A. Johanson
-----------------------------------------

Name: Arthur L. Herbst, Jr.
                                            BANK OF AMERICA, N.A., as a Lender
                                            by its Corporate Banking Officer

                                            ----------------------------------------
                                            Name: Chris K. Hackney

THE NORTHERN TRUST COMPANY, AS A LENDER     HARRIS TRUST AND SAVINGS BANK, AS A LENDER
by its Vice President                       by its Vice President

-----------------------------------------   ----------------------------------------
Name: Fredric McClendon                     Name: Keith J. Niebrugge

</TABLE>

<PAGE>   5

                                    EXHIBIT A
                         DOCUMENTS AND REQUIREMENTS LIST

TO BE DELIVERED OR OBTAINED ON OR BEFORE MAY 21, 2001:

1)   Certificate of the Secretary of Borrower, certifying (a) that its articles
     or certificate of incorporation and bylaws of Borrower previously certified
     in connection with the execution of the Loan Agreement have not been
     amended, (b) the resolutions adopted by the Board of Directors of Borrower,
     authorizing the execution, delivery and performance of the Amendment by
     Borrower, are attached to the certificate and remain in full force and
     effect, and (c) a certificate of incumbency specifying the names, titles,
     and true signatures of the incumbent corporate officers authorized to sign
     the Amendment on behalf of Borrower is attached to the certificate.

2)   Legal opinion in the form of the Legal Opinion Specification attached
     hereto.

<PAGE>   6

                  ATTACHMENT TO DOCUMENTS AND REQUIREMENTS LIST

                 LEGAL OPINION SPECIFICATION FOR AMENDMENT NO. 1

Legal opinion of counsel to Borrower must be on firm letterhead and meet these
requirements or otherwise be satisfactory to Administrative Agent:

1.       Address to Bank of America, N.A. as Administrative Agent for itself and
         other Lenders  at ______________________________________________,
         Attention: ______________________

2.       Refer to Amendment No. 1 (and define it as the "Amendment" in the legal
         opinion) and the Loan Agreement and use definitions in Loan Agreement.

3.       Give opinions with respect to each applicable Covered Person on the
         subjects covered in all of the following example paragraphs:

         a.       Borrower is a Missouri corporation, duly formed, validly
                  existing and in good standing under the Laws of the state of
                  its organization and is duly qualified and authorized to do
                  business and is in good standing as a corporation in all
                  states or countries where the nature and extent of the
                  business transacted by it or the ownership of its assets makes
                  such qualification necessary, except where the failure to so
                  qualify will not have a Material Adverse Effect.

         b.       Borrower has all requisite power, authority and legal capacity
                  and legal rights to execute, deliver and perform the terms of
                  the Amendment.

         c.       All action on the part of Borrower requisite for its
                  execution, delivery and performance of the Amendment has been
                  duly taken.

         d.       The execution, delivery and performance of the Amendment by
                  Borrower will not (a) violate, be in conflict with, result in
                  the breach of, or constitute (with due notice or lapse of
                  time, or both) a default under (i) its Charter Documents or
                  (ii) any franchise, agreement, indenture, or other instrument
                  to which it is a party or by which it or any of its property
                  is bound or affected or (iii) any Law or other legal
                  requirement applicable to it, or (b) result in the creation or
                  imposition of a Security Interest of any nature whatsoever
                  upon its property or assets.

         e.       Borrower has duly executed and delivered the Amendment and the
                  Amendment constitutes the Borrower's legal, valid and binding
                  obligation enforceable against it in accordance with its
                  terms.

         f.       The Person who signed the Amendment as an officer of Borrower
                  is duly authorized on behalf of Borrower to execute, deliver
                  and perform such document on behalf of Borrower and Borrower
                  is duly authorized to perform its obligations under the
                  Amendment and to incur the obligations and make the
                  representations, warranties and covenants made by it in the
                  Amendment.

         g.       No consent, approval or other authorization of or by, or
                  registration or filing with, any Governmental Authority or
                  other Person is required in connection with the execution,

<PAGE>   7

                  delivery and performance by Borrower of the Amendment that has
                  not already been obtained and a copy thereof delivered to
                  Administrative Agent.

         h.       No notice to or consent of any Guarantor is required in
                  connection with the Amendment to continue the enforceability
                  against such Guarantor of any Loan Document to which such
                  Guarantor is a party (including any Guaranty).

         i.       There are no actions, proceedings or investigations pending or
                  threatened against Borrower which might adversely affect the
                  validity or enforceability of the Amendment, the ability of
                  Borrower to perform its obligations under the Amendment or
                  which might adversely affect the business, operations,
                  revenues, financial condition, property or business prospects
                  of Borrower.

4.       Add appropriate exceptions and limitations, all of which must be
         acceptable to Administrative Agent.

5.       Signature by a partner of the firm in his individual name or in the
         name of the firm.

                                       ii
<PAGE>   8

                                    EXHIBIT B
                       (SUPPLEMENTAL DISCLOSURE SCHEDULE)

        There are no supplemental disclosures if nothing is listed below.<PAGE>   1
                                                                   EXHIBIT 10.29

                               OPERATING AGREEMENT

                                       OF

                          UNITED AUTO DO BRASIL, LTDA.

                                NOVEMBER 4, 1999

<PAGE>   2
                               TABLE OF CONTENTS

Section                                                         Page
-------                                                         ----
1.      Definitions................................................1
2.      Organization of Company....................................5
3.      Members....................................................5
4.      Management by Members......................................7
5.      Capital Contributions......................................8
6.      Allocations and Distributions..............................9
7.      Withdrawal; Transfer of Interest in Company...............10
8.      Withdrawal Procedure......................................11
9.      Limitation of Liability and Indemnification...............12
10.     Taxes and Accounting......................................13
11.     Dissolution, Liquidation and Termination..................15
12.     General Provisions........................................17

Exhibit A - Members

<PAGE>   3
                              OPERATING AGREEMENT

                                       OF

                          UNITED AUTO DO BRASIL, LTDA.

         This Agreement is hereby adopted and agreed to by the Members,
effective as of November 4, 1999, as the operating agreement of the Company.

1.       Definitions.

         1.1 Definitions. As used in this Agreement, the following terms have
the following meanings:

         "Additional Members" means Members other than UAG Holdings and RSP
Holdings admitted to membership in the Company pursuant to Section 3.2.

         "Affiliate" means, with respect to a given person, another person that
directly, or indirectly through one or more intermediaries, controls, or is
controlled by, or is under common control with, the given person. For this
purpose, "control" means the possession, direct or indirect, of the power to
direct or cause the direction of the management and policies of a person,
whether through the ownership of voting securities, by contract, or otherwise.

         "Agreement" means this Operating Agreement, as from time to time
amended.

         "Bankrupt Member" means a Member that makes an arrangement or agreement
which is or has substantially the same effect as an agreement with creditors
generally consolidating debts, files a voluntary petition in bankruptcy or for
reorganization or for an arrangement, undergoes a liquidation, whether
compulsory or voluntary (except as a solvent company for the purpose of
amalgamation or reconstruction), becomes insolvent or suffers a receiver of all
or part of its assets, or is adjudicated a bankrupt and such judgment is not
vacated or stayed within 30 days.

         "Capital Account" means, with respect to each Member, an account so
designated and maintained for such Member by the Company in accordance with the
provisions of this Agreement. The balance of each Member's capital account on
the date hereof is set forth in Exhibit A. After the date hereof, each Member's
Capital Account shall be: (a) credited in the amount of any actual or deemed
additional contributions of such Member to the capital of the Company and any
profits or items of income or gain allocated to such Member pursuant to Section
6.1; (b) debited in the amount of any distribution to such Member and any losses
or items of loss or deduction allocated to such Member under Section 6.1; and
(c) further adjusted as provided in Section 5.2.

         "Company" means United Auto Do Brasil, Ltda., a Brazilian limited
liability company.

         "Corporation Law" means Article 118 of Law No. 6.404 of December 15,
1976, as amended.

                                       1
<PAGE>   4
         "EBIT" means, for any period, Net Income of the Company for such period
plus all amounts deducted in determining such Net Income of the Company on
account of interest expense and taxes based on or measured by income of the
Company, exclusive of extraordinary and non-recurring items, all as determined
for the Company in accordance with generally accepted accounting principles,
consistently applied.

         "Fiscal Year" means the calendar year.

         "Formula Price" means the fair market value of the Company as of the
date of determination as agreed between the relevant parties; provided that, the
"Formula Price" for the period from the date of this Agreement through the fifth
anniversary of this Agreement, will be $5,456,536, plus any capital
contributions during such period pursuant to Sections 5.2 and 5.3.

         "Income Account" means, with respect to each Member, an account so
designated and maintained for such Member by the Company in accordance with the
provisions of this Agreement.

         "Indebtedness" of the Company means (a) all obligations of the Company
for borrowed money, (b) all obligations of the Company as lessee under any lease
which, in accordance with generally accepted accounting principles, is or should
be capitalized on the books of the Company, (c) all obligations of the Company
which are secured by any liens, mortgages, encumbrances or other charges
existing on any asset or property of the Company, whether or not the obligation
secured thereby shall have been assumed by the Company, (d) all liabilities of
the Company in respect of unfunded benefit liabilities under any pension,
employee benefit or similar plan, and (e) all obligations of the Company in
respect of any interest rate or currency swap, rate cap or other similar
transaction (valued in an amount equal to the highest termination payment, if
any, that would be payable by the Company upon termination for any reason on the
date of determination).

         "Majority Vote" means the affirmative votes of Members holding
Percentage Interests aggregating in excess of fifty percent (50%).

         "Members" means the persons who are members of the Company within the
meaning of the Corporation Law. The Members consist of UAG Holdings and RSP
Holdings and any Additional Members.

         "Net Income (Loss)" means, for any period, the net income (or loss) of
the Company for such period taken as a single accounting period, determined in
accordance with generally accepted accounting principles, consistently applied
(but in any event without deduction of dividends paid or payment in respect of
any membership interest of the Company); provided that, in determining Net
Income, there shall be excluded (i) the income (or loss) of any person or entity
(other than a subsidiary of the Company) in which any person or entity other
than the Company or any of its subsidiaries has a joint interest or partnership
interest, except to the extent of the amount of dividends or other distributions
actually paid to the Company or any of its subsidiaries by such person or entity
during such period, (ii) the income (or loss) of any person

                                       2
<PAGE>   5
accrued prior to the date it becomes a subsidiary of the Company or is merged
into or consolidated with the Company or any of its subsidiaries or that
person's assets are acquired by the Company or any of its subsidiaries, (iii)
the proceeds of any life insurance policy, (iv) gains and losses from the sale,
exchange, transfer or other disposition of property or assets not in the
ordinary course of business of the Company and its subsidiaries, and related tax
effects in accordance with generally accepted accounting principles,
consistently applied, (v) any other extraordinary or non-recurring gains and
losses of the Company or its subsidiaries, and related tax effects in accordance
with generally accepted accounting principles, consistently applied, and (vi)
the income of any subsidiary of the Company to the extent that the declaration
or payment of dividends or similar distributions by that subsidiary of that
income is not at the time permitted by operation of the terms of its charter or
of any agreement, instrument, judgment, decree, order, statute, rule or
governmental regulation applicable to that subsidiary.

         "Percentage Interest" means, with respect to each Member, that
percentage set forth opposite such Member's name on Exhibit A, after giving
effect to any amendments to Exhibit A and to any adjustments in such percentage
provided for in this Agreement. In the event any Membership interest is
transferred in accordance with the provisions of this Agreement, the transferee
of such interest shall succeed to the Percentage Interest of his transferor to
the extent it relates to the transferred interest.

         "Person" (whether or not capitalized) means any individual,
partnership, corporation, company, association, estate, trust, governmental
unit, or other legal entity.

         "Put Event" means any event in which UAG Holdings becomes owned or
controlled by or merges with any person which is not then an Affiliate of UAG
Holdings or Penske Corporation. For this purpose, (i) any change in ownership
resulting from any public offering of securities does not constitute a "Put
Event," and (ii) the ownership or control of 30% or more of the capital voting
stock of any party will be deemed to be ownership or control of such party.

         "Put Option" shall have the meaning defined in Section 8.1.

         "RSP Holdings" means RSP Holdings do Brasil, Ltda., a Brazilian limited
liability company.

         "Social Contract" means the Social Contract of the Company, as from
time to time amended, filed with the JUCESP-Junta Comercial do Estado de Sao
Paulo, file no., 35215866389, dated October 6, 1999.

         "Transfer" means, with respect to any item, to sell, assign, transfer,
encumber, or dispose of such item, voluntarily or involuntarily, including
(without limitation) by sale, gift, granting an option to purchase, security
interest, pledge, collateral assignment, bequest, or operation of law.

         "UAG Holdings" means UAG Holdings do Brasil, Ltda., a Brazilian limited
liability company.

                                       3
<PAGE>   6

2.       Organization of Company.

         2.1 Organization. The Company has been organized as a Brazilian limited
liability company pursuant to the Social Contract.

         2.2 Name of Company. The name of the Company shall be as set forth in
the Social Contract. All business of the Company shall be transacted in that
name or in other names selected by the Company from time to time that are in
compliance with the Corporation Law.

         2.3 Duration. The Company began its existence upon the filing of the
Social Contract and shall continue in existence for the period of time specified
in the Social Contract or in conformity with the provisions of this Agreement.

         2.4 Purpose. The purpose of the Company is to engage in any activity
for which limited liability companies may be formed under the Corporation Law.
The Company shall have all the powers necessary or convenient to effect any
purpose for which it is formed, including all powers granted by the Corporation
Law.

3.       Members.

         3.1 Admission; Additional Members. UAG Holdings and RSP Holdings are
each admitted to the Company as a Member effective upon its execution of this
Agreement. Additional Members may be admitted as provided in Section 4.4(e).
Upon the admission of any Additional Member, Exhibit A shall be amended to
reflect the respective Capital Account balances and Percentage Interests of all
Members immediately after such admission.

         3.2 Representations and Warranties. As of the date of its admission,
each Member (including each Additional Member) hereby represents and warrants to
each other Member and to the Company that: (a) this Agreement is binding and
enforceable against such Member in accordance with its terms, except as
enforceability may be limited by bankruptcy, insolvency, or similar laws
affecting the enforcement of creditors' rights generally and by general
principles of equity (regardless of whether considered in a proceeding at law or
in equity); and (b) its execution, delivery, and performance of this Agreement
do not violate any law or any other agreement to which it is a party or by which
it is bound.

         3.3 No Liability to Third Parties. Unless provided by law or expressly
assumed, a Member shall not be liable for the acts, debts, or liabilities of the
Company, including those under a judgment or order of a court.

         3.4 Authority. No Member, acting in its capacity as a Member, shall,
nor shall it have any authority to, bind or act for, or assume or agree to any
obligation or responsibility on behalf of, the other Member or the Company. All
deeds, documents, transfers, contracts, agreements, bonds, debentures, notes,
obligations, evidences of indebtedness, checks, drafts, bills of exchange,
orders for the payment of money, and other instruments requiring execution by
the Company shall be executed and delivered by one or more Members as may from
time to time be authorized by the Members.

                                       4

<PAGE>   7

         3.5 Transactions Permitted with Members and Affiliates. The validity of
any transaction, agreement, or payment involving the Company, any Member, or any
Affiliate thereof otherwise permitted by the terms of this Agreement shall not
be affected by reason of the relationship between any Member and such Affiliate
or by reason of the approval of said transaction, agreement, or payment by any
Member.

         3.6 Independent Activities. Any Member may, notwithstanding the
existence of this Agreement, engage in whatever other activities such Member
chooses, whether or not the same are competitive with the Company or its
Affiliates, without having any obligation to offer any interest in such
activities to the Company or to any other Member; except that none of the
Members may, directly or indirectly, whether as a principal, director, officer,
employee, consultant, partner, shareholder, agent or otherwise, through any
person or entity (i) engage or conduct any retail automotive business in Brazil,
including sales, service or repairs (including spare parts sales), or (ii) be
engaged by, consult with, perform services for or invest in, any retail
automotive business in Brazil. Notwithstanding the foregoing, (a) a Member may
own stock in a publicly-traded corporation if the Member (together with its
Affiliates) owns fewer than five percent of the issued and outstanding shares of
such corporation, and (b) the foregoing prohibitions shall not apply to the
sale, service or repair of products (and spare parts) manufactured by a Member
or its Affiliates.

4.       Meetings and Voting.

         4.1 Meetings and Notice. The Members shall meet annually on such dates
and at such places and times as they may determine by resolution. UAG Holdings
or more Members holding at least 25% of the Percentage Interests may call a
special meeting of the Members for any reasonable time at the principal office
of the Company by giving notice thereof to all Members. Notice shall be given at
least 72 hours before a meeting which a Member may attend in the manner
described in Section 4.5 and at least five days before any other meeting, with
such notice specifying the purposes of the special meeting. A Member may waive
notice of any meeting, and attendance at a meeting (other than for the sole
purpose of objecting to legality thereof) will constitute waiver of notice.

         4.2 Quorum. The presence at a meeting of Members having Percentage
Interests aggregating in excess of 50% shall constitute a quorum for the
transaction of business. Regardless of whether a quorum is present, the meeting
may be adjourned by a vote of the Members present. At the adjourned meeting at
which a quorum is present, any business may be transacted which might have been
transacted at the meeting as originally notified.

         4.3 Members to Act Through Representatives. Each Member which is not an
individual shall act for all purposes under this Agreement through an individual
designated by such Member as its representative for such purpose. Each such
Member shall provide the Company and each other Member with written notice of
the individual so designated (which designation may be changed from time to time
by the Member in its discretion and which may

                                       5
<PAGE>   8
include one or more alternate representatives), and the Company and the other
Members shall be entitled in all cases to assume that any individual so
designated is authorized to act on behalf of such Member. In the absence of such
designation, the Company and the other Members may assume that the President or
any Vice President of a Member which is a corporation is authorized to act on
behalf of such Member.

         4.4 Voting. Each Member shall exercise its voting rights in the best
interests of the Company. In accordance with the Corporation Law, the Members
shall not invoke the obligations assumed in this Agreement in order to release
any of the Members from their legal responsibility in exercising their voting
rights. All matters relating to the Company shall be decided by a Majority Vote
unless a higher percentage for approval is specified in this Agreement.
Notwithstanding the foregoing, the following shall require the unanimous consent
of all of the Members:

                  (a) Change the ownership structure, or organizational form, of
         the Company, or change the Membership Interests of the Members other
         than as expressly set forth in this Agreement;

                  (b) Make any capital calls;

                  (c) Return capital contributions other than as expressly set
         forth in this Agreement;

                  (d) Change the terms for allocating and distributing profits
         and losses and credits set forth in Section 6;

                  (e) Admit Additional Members and determine the Additional
         Capital Contribution payable by any Additional Members, except as
         otherwise provided in Section 8.3;

                  (f) Dissolve the Company;

                  (g) Initiate any litigation on behalf of the Company other
         than in the ordinary course of the Company's business;

                  (h) Permit any capital expenditures by the Company beyond the
         level approved in the Company's annual operating plan;

                  (i) Invest in or acquire other businesses, or engage in any
         merger or consolidation with or into, or purchase any of the equity of,
         any other person, or sell, lease or purchase any assets outside the
         ordinary course of business or engage in any transaction with a Member
         or any of its Affiliates outside the ordinary course of business;

                                       6
<PAGE>   9

                  (j) Borrow money (or increase or decrease any commitments to
         borrow money) or guarantee any loan or other obligation, or lend money
         to any person, or mortgage, assign, or encumber any of the Company's
         property;

                  (k) Change the Company's auditors; and

                  (m) Change the accounting principles applied to the Company's
         books and records, except to the extent required by generally accepted
         accounting principles, consistently applied.

         4.5 Participation by Communication Equipment. A Member may participate
in a meeting by a conference telephone or other similar communications equipment
through which all persons participating in the meeting may communicate with the
other participants. All participants shall be advised of the communications
equipment, and the names of the parties in the conference shall be divulged to
all participants. Participation in a meeting pursuant to this section
constitutes presence in person at the meeting.

         4.6 Action by Written Consent. Any action required or permitted to be
taken at a meeting of Members may be taken without a meeting, without prior
notice and without a vote, if consents in writing, setting forth the action so
taken, are signed by Members whose Voting Interests constitute at least a
Majority Vote and delivered to the Company; provided that any action that would
require unanimous consent under Section 4.4 must be signed by all of the
Members. All such consents shall be dated within a period of 90 days.

         4.7 Officers. The Company may, but need not, have one or more officers,
who shall be appointed by and serve at the pleasure of the Members. Each such
officer shall have the title, authority, and duties specified by the Members.

5.       Capital Contributions.

         5.1 Contributions. Each Additional Member (other than a transferee
admitted under Section 8.3) shall make such capital contribution at the time of
admission as is determined at that time.

         5.2 Capital Calls. If the Members determine (as provided in Section
4.4(b)) that the Company requires additional capital to carry out its purposes,
then each Member shall make an additional capital contribution, in proportion to
its Percentage Interest, which contributions in the aggregate shall equal the
amount needed by the Company for it to meet such requirements. Should any Member
fail to make its required capital contribution in accordance with this section,
the remaining Members (pro rata in accordance with their Percentage Interests)
shall have the option of contributing the amount which such Member failed to
contribute, and the Percentage Interests of the Members shall be adjusted by
reducing the noncontributing Member's Percentage Interest and increasing the
other Members' Percentage Interests so as to equitably reflect the
noncontributing Member's failure to make such contribution and the contributions
made by the other Members.

                                       7
<PAGE>   10
         5.3 Optional Capital Contributions. RSP Holdings will have the option,
exercisable at any time upon 30 days advance notice to the other Members, to
increase its Percentage Interest by making capital contributions in accordance
with this section; provided that (a) RSP Holdings may not exercise its option
under this Section 5.3 at any time after UAG Holdings exercises its call option
under Section 8.6, and (b) in no event may RSP Holdings increase its Percentage
Interest above 50% without the prior written consent of all the other Members.
RSP Holdings may make optional capital contributions under this section in
increments of $10,000, and its Percentage Interest will be increased by an
amount equal to (x) the amount of such capital contribution, divided by (y) the
sum of the then-applicable Formula Price and the amount of such capital
contribution.

         5.4 Contribution Returns. A Member is not entitled to the return of any
part of its capital contributions or to be paid interest in respect of either
its Capital Account or its capital contributions. An unrepaid capital
contribution is not a liability of the Company or of any Member. A Member is not
required to contribute or to lend any cash or property to the Company to enable
it to return any Member's capital contribution.

6.       Allocations and Distributions.

         6.1 Allocations. Items of gross income, gain, loss, deduction, and
credit shall be allocated in accordance with each Member's Percentage Interest;
provided, however, that no loss shall be allocated to any Member to the extent
such loss would create or increase a deficit in such Member's Capital Account.
All items of income, gain, loss, deduction, and credit allocable to any interest
in the Company that may have been transferred or reallocated shall be allocated
between the transferor and transferee based upon the portion of the Fiscal Year
during which each was recognized as owning the interest in the Company, without
regard to the results of Company operations during any particular portion of the
Fiscal Year and without regard to whether cash distributions were made to the
transferor or the transferee during that Fiscal Year.

         6.2 Distributions. Except as otherwise provided in this Agreement, the
Company shall make such distributions as the Members may from time to time
approve. All distributions shall be in accordance with each Member's respective
Percentage Interest. Notwithstanding the foregoing, the Members agree to cause
the Company to make cash distributions each year (or, at the option of the
Members, to loan) to each Member in an amount determined by multiplying (i) such
Member's taxable income resulting from the pass-through allocations of the
Company's income and gain to such Member by (ii) the highest rate applicable to
any of the Members under the income tax laws of the jurisdiction in which such
Member resides.

7.       Books, Accounting and Taxes.

         7.1 Books of Account; Records. The Company shall establish and at all
times maintain full and complete books of account of the Company on an accrual
basis in accordance with generally accepted accounting principles, consistently
applied. The Company shall keep all the following at its principal place of
business unless otherwise approved by the Members:

                                       8
<PAGE>   11
                  (a) A copy of the Social Contract and this Agreement;

                  (b) The Company's books and records of account, together with
         copies of the financial statements of the Company for the three most
         recent years and the Company's tax returns and reports for the three
         most recent Fiscal Years; and

                  (c) A current list of the full name and last known address of
         each Member and copies of records that would enable a Member to
         determine its Percentage Interest.

Each Member shall have the right at its expense to inspect, examine, audit and
copy the books, records, files, and other documents of the Company at all
reasonable times. Each Member shall have the right to discuss the contents of
the Company's books and records of account with the Person(s) who prepares such
books and records.

         7.2 Financial Reports.

                  (a) As promptly as practicable and not later than thirty days
         after the close of each month the Company shall cause to be prepared
         and submitted to each Member a monthly report which shall consist of an
         unaudited balance sheet and statement of earnings, together with a
         monthly statement of each Member's Capital Account.

                  (b) As promptly as practicable and not later than thirty days
         after the close of each of the first three quarters of each Fiscal
         Year, the Company shall cause to be prepared and submitted to each
         Member a quarterly report consisting of an unaudited balance sheet, a
         statement of earnings, a statement of cash flows and a statement of
         Members' equity as of the end of the immediately preceding quarter and
         for the current Fiscal Year to date and such information concerning the
         Company as may be reasonably required for federal and state tax returns
         and other reports required by any governmental authority. All financial
         statements delivered pursuant to this subsection shall be prepared in
         accordance with generally accepted accounting principles, consistently
         applied.

                  (c) As promptly as practicable and not later than ninety days
         after the close of each Fiscal Year, the Company shall cause to be
         prepared and submitted to each Member an annual report which shall
         consist of a balance sheet for the Company as of the end of such Fiscal
         Year, a statement of earnings, a statement of cash flows and a
         statement of Members' equity for the Fiscal Year then ended and
         including such information concerning the Company as may be reasonably
         required by any Member for federal or state tax returns and other
         reports required by any governmental authority. All financial
         statements delivered pursuant to this subsection shall be prepared in
         accordance with generally accepted accounting principles, consistently
         applied, and be audited and reported and opined upon by the Auditors as
         contemplated by the terms of Section 7.3.

         7.3 Auditors. Deloitte & Touche, or such other firm of independent
public accountants as shall be Approved by the Members from time to time, shall
be the auditors (the

                                       9
<PAGE>   12
"Auditors") to audit the books, records, files and other documents of the
Company. The Members shall define the scope of any audit to be conducted of the
Company.

         7.4 Fiscal Year. The fiscal year of the Company shall end on December
31st of each year).

         7.5 Banking and Accounts. All funds of the Company shall be deposited
in a separate bank account of accounts as shall be determined by the Members.
All withdrawals therefrom shall be made upon checks signed by the Members or by
any person authorized to do so by the Members.

8.       Transfer of Interest in Company.

         8.1 Transferability of Company Interest. Except as specifically
permitted in this Agreement, a Member may not Transfer any portion of its
interest in the Company, and any attempted Transfer by a Member of its interest
in the Company, or any part thereof, other than as specifically permitted in
this Agreement shall be null and void.

         8.2 Bankrupt Member. If any Member becomes a Bankrupt Member, the
Company shall have the option, exercisable by notice from the Company to the
Bankrupt Member at any time prior to the 180th day after receipt of notice of
the occurrence of the event causing it to become a Bankrupt Member, to buy, and,
on the exercise of such option, the Bankrupt Member shall sell its interest in
the Company at a price equal to the then applicable Formula Price with respect
to such Bankrupt Member.

         8.3 Transfer with Consent. A Member may sell or otherwise Transfer its
interest in the Company with the prior unanimous consent of the other Members;
provided that UAG Holdings may, at any time and without the consent of any other
Member, transfer all or any part of its interest in the Company to an Affiliate
that agrees in writing to be bound by this Agreement and any other agreements
then in existence among the Members concerning the Company and makes the
representations and warranties contained in Section 3.2. Upon the consummation
of a transfer of a Member's interest in the Company pursuant to this Section
8.3, the transferee (if not already a Member) shall become an Additional Member
of the Company with all rights and obligations thereof.

         8.4 Right of First Refusal. At any time after the fifth anniversary
date of this Agreement, a Member may sell all, but not less than all, of its
interest in the Company to a third-party purchaser in accordance with the
following procedures:

                  (a) The Member shall first obtain from the third party a bona
         fide written offer to purchase such Member's interest in the Company,
         setting forth the purchase price and all other terms in reasonable
         detail, and shall provide copies thereof to all other Members. Such an
         offer must provide for a closing date no sooner than 60 days after the
         date copies thereof are given to the other Members and may not contain
         non-monetary terms which would render the purchase impossible or
         impracticable for a Member desiring to exercise its right of first
         refusal under this Section 8.4.

                                       10
<PAGE>   13
                  (b) At any time within 30 days after receipt of a copy of such
         offer, any other Member may advise the selling Member in writing that
         it elects to purchase the selling Member's interest for the same price
         and on the same terms set forth in such offer. Delivery of such a
         written notice shall constitute a binding obligation of the electing
         Member(s) to buy (pro rata in accordance with their Percentage
         Interests), and of the selling Member to sell, the interest of the
         selling Member for the same price and on the same terms provided for in
         the original offer, not later than 120 days after the date on which the
         required notice is delivered. The electing Members may, instead of
         purchasing the selling Member's interest, elect to cause the Company to
         redeem and liquidate such interest.

                  (c) If, during such 30-day period, no Member notifies the
         selling Member that it desires to purchase under subsection (c) above,
         or if, during such period, all other Members advise the selling Member
         in writing that they do not wish to purchase under subsection (c), the
         selling Member may proceed to sell its entire interest in the Company
         to the third party if:

                           (i) the sale is for the same price and on the same
                  terms set forth in the original offer;

                           (ii) the sale is consummated within 60 days after the
                  expiration of such 30-day period; and

                           (iii) the transferee agrees in writing to be bound by
                  this Agreement and any other agreements then in existence
                  among the Members concerning the Company and makes the
                  representations and warranties contained in Section 3.2.

         8.5 Put Option. RSP Holdings will have an option, exercisable by
written notice to the other Members within 10 days of any Put Event, to put all,
but not part, of its interest in the Company to UAG Holdings, at a price equal
to the Formula Price multiplied by RSP Holdings's Percentage Interest calculated
immediately prior to giving effect to the applicable Put Event. Delivery of the
written notice shall constitute a binding obligation of UAG Holdings to buy, and
of the putting Member to sell, the putting Member's interest in the Company for
such price, which shall be paid in cash not later than 120 days after the date
on which the required notice is delivered. With the consent of any remaining
Members, UAG Holdings may, instead of purchasing the putting Member's interest,
elect to cause the Company to redeem and liquidate such interest.

         8.6 Call Option. UAG Holdings shall have an option, exercisable by
written notice to any other Member, to call all, but not part, of such other
Member's interest in the Company at a price equal to the then applicable Formula
Price multiplied by such other Member's Percentage Interest; provided that, if
UAG Holdings exercises such call option at any time before the fourth
anniversary of this Agreement, then such price will be the greater of (a) the
price calculated as

                                       11
<PAGE>   14
provided above, and (b) the sum of such other Member's capital contributions,
including any capital contributions pursuant to Sections 5.2 and 5.3, with
interest equal to the yield on 10-year U.S. Treasury Notes as published in The
Wall Street Journal on the Formula Price determination date. Delivery of UAG
Holdings's written notice shall constitute a binding obligation of UAG Holdings
to buy, and of such other Member to sell, such other Member's interest in the
Company for such price, which shall be paid in cash not later than 120 days
after the date on which UAG Holdings's notice is delivered. With the consent of
any remaining Members, UAG Holdings may, instead of purchasing such other
Member's interest, elect to cause the Company to redeem and liquidate such
interest.

         8.7 Effect of Transfer. A transferor Member ceases to be a member of
the Company upon the consummation of a transfer of its entire interest in the
Company pursuant to this Section 8.

9.       Limitation of Liability and Indemnification.

         9.1 Not Exclusive. Indemnification under this Section is not exclusive
of any indemnification provided for elsewhere herein, in any other agreement or
otherwise provided by law.

         9.2 Indemnification by Company. The Company shall indemnify and hold
harmless each Member against, from and in respect of any and all damages,
losses, liabilities and expenses, including without limitation legal and other
expenses, incurred by a Member in connection with any action, suit, claim or
proceeding (whether civil or criminal, at law or in equity) arising or resulting
from or related to any liability or obligation of the Company.

         9.3 Indemnification by Members. Each Member shall indemnify, defend and
hold harmless the Company and the other Members from and against all claims,
demands, suits, actions, proceedings, liabilities, attorneys' fees, costs and
expenses arising in connection with (a) the activities or status of such Member
in connection with the Company which are outside the scope of its rights,
responsibilities, obligations or status as a Member hereunder or (b) the acts or
omissions to act of such Member which are within the scope of its rights,
responsibilities, obligations or status as a Member and which are a result of
gross negligence or willful misconduct. Either Member required to provide
indemnification under this Section to the Company shall be entitled to
contribution from the other Member if such other Member is also required to
provide indemnification under this Section with respect to the same matter. To
the extent that a Member is obligated to provide indemnification under this
Section, it shall have no entitlement to indemnification from the Company. The
provisions of this Section shall survive termination of this Agreement or any
purchase or transfer made pursuant to this Agreement.

         9.3 Liability Insurance. The Company shall have the power to purchase
and maintain insurance on behalf of any person who is or was a Member, manager,
officer, employee, or agent of the Company, or is or was serving at the request
of the Company as a director, officer, member, manager, partner, trustee,
employee, or agent of another corporation, partnership, joint venture, trust, or
other enterprise, against any liability asserted against such person and
incurred

                                       12
<PAGE>   15
by such person in any such capacity or arising out of such person's status as
such, whether or not the Company would have the power to indemnify such person
against such liability under the provisions of Section 8.3 or the Corporation
Law.

11.      Dissolution, Liquidation, and Termination.

         11.1 Dissolution. The Company shall be dissolved and its affairs shall
be wound up upon the first occurrence of any of the following:

                  (a) At the time (if any) specified in the Social Contract;

                  (b) Upon the happening of any events specified in the Social
         Contract which cause dissolution;

                  (c) By the consent of the Members; or

                  (d) Upon the entry of a decree of judicial dissolution.

         11.2 Winding Up. Except as otherwise provided in the Social Contract,
this Agreement, or the Corporation Law, the Members who have not wrongfully
dissolved the Company may wind up the Company's affairs. The Members who are
winding up the Company's affairs shall continue to function, for the purpose of
winding up, in accordance with the procedures set by the Corporation Law, the
Articles, and this Agreement, shall be held to no greater standard of conduct,
and shall be subject to no greater liabilities, than would apply in the absence
of dissolution. The Company may sue and be sued in its name and process may
issue by and against the Company in the same manner as if dissolution had not
occurred. An action brought by or against the Company before its dissolution
does not abate because of the dissolution.

         11.3 Liquidation and Termination. On dissolution of the Company, one or
more Members shall serve as liquidator. The liquidator shall proceed diligently
to wind up the affairs of the Company and make final distributions as provided
herein and in the Corporation Law. The costs of liquidation shall be borne as a
Company expense. Until final distribution, the liquidator shall continue to
operate the Company properties. The steps to be accomplished by the liquidator
are as follows:

                  11.3.1 Accounting. As promptly as possible after dissolution
and again after final liquidation, the liquidator shall cause a proper
accounting to be made by a recognized firm of certified public accountants of
the Company's assets, liabilities, and operations through the last day of the
calendar month in which the dissolution occurs or the final liquidation is
completed, as applicable.

                  11.3.2 Order of Distribution. The assets shall be distributed
in the following order:

                                       13

<PAGE>   16

                  (a) To creditors, including Members who are creditors, to the
         extent permitted by law, in satisfaction of liabilities of the Company
         other than liabilities for distributions to Members. Reasonable
         provisions shall be made for debts, liabilities, and obligations that
         are not liquidated but will not be barred under the Corporation Law;

                  (b) Except as provided in this Agreement, to Members and
         former Members in satisfaction of liabilities for distributions; and

                  (c) Except as provided in this Agreement, all remaining assets
         to Members and former Members pro rata in accordance with their
         Percentage Interests.

                  11.3.3 Manner of Distribution. The distribution of assets to
Members shall be as follows:

                  (a) The liquidator may sell any or all Company property,
         including to Members, and any resulting gain or loss from each sale
         shall be computed and allocated to the Capital Accounts;

                  (b) With respect to all Company property that has not been
         sold, the fair market value of that property shall be determined and
         the Capital Accounts shall be adjusted to reflect the manner in which
         the unrealized income, gain, loss, and deduction inherent in property
         that has not previously been reflected in the Capital Accounts would be
         allocated among the Members if there were a taxable disposition of that
         property for the fair market value thereof on the date of distribution;
         and

                  (c) Company property shall be distributed among the Members in
         accordance with their positive Capital Account balances, as determined
         after taking into account all Capital Account adjustments for the
         Fiscal Year during which the liquidation of the Company occurs (other
         than those made by reason of this subsection (c)); and those
         distributions shall be made by the end of the Fiscal Year during which
         the liquidation of the Company occurs (or, if later, 90 days after the
         date of the liquidation).

All distributions in kind to the Members shall be made subject to the liability
of each distributee for costs, expenses, and liabilities theretofore incurred or
for which the Company has committed prior to the date of termination, and those
costs, expenses, and liabilities shall be allocated to the distributees pursuant
to this Section. The distribution of cash and/or property to a Member in
accordance with the provisions of this Section constitutes a complete return to
the Member of its capital contributions and a complete distribution to the
Member of its interest in the Company and all the Company's property and
constitutes a compromise to which all Members have consented. To the extent that
a Member returns funds to the Company, it has no claim against any other Member
for those funds.

                                       14

<PAGE>   17
13.      General Provisions.

         13.1 Specific Performance. If any Member fails to fulfill any of its
obligations under this Agreement, the injured party may choose to specifically
enforce this Agreement, based on the provisions of Article 118, third paragraph,
of Law No.6.404/76, the provisions of Articles 461, 639, 640 and 641 of the
Brazilian Code of Civil Procedure and other applicable legal provisions, which
shall fully apply to this Agreement.

         13.2 Confidentiality. Each Party shall, and shall cause its officers,
directors, employees, representatives, agents and Affiliates to keep any
information which the other Party or any of its Affiliates treats or designates
as confidential (including without limitation, Technology), any information
concerning the formation and operation of the Company or the particulars thereof
(except as to the existence of the Company), and any other information set forth
in the Definitive Agreements or in other documents concerning the Company or
relating to the performance by the Parties or any of their Affiliates of any of
the Definitive Agreements, strictly confidential and not disclose any such
information to any Person, or use any such information in the business of such
Party or any Affiliate of such Party, except in furtherance of this Agreement
and the business of the Company. Notwithstanding the foregoing, a Party shall be
under no obligation to keep confidential (i) information that is or becomes
generally available to the public other than as a result of a disclosure in
violation of the terms of this Section 12, (ii) information that is available to
such Party on a non-confidential basis from a source that is not prohibited from
disclosing such information to such Party, or (iii) information that a Party is
legally compelled to disclose, provided that each Party agrees to use all
reasonable efforts to notify the other Party of any such legal requirement to
disclose sufficiently in advance of the disclosure to permit the other Party to
challenge such disclosure. In addition, notwithstanding the foregoing, each
Party may disclose otherwise confidential information to such of its
accountants, legal and financial advisors and other agents to the extent deemed
necessary by such Party, provided that the parties to whom such confidential
information is disclosed shall first agree in writing to be bound by the terms
of this Article IX as if such terms were directly applicable to them. The
obligations of confidentiality set forth in this Section 12 shall survive the
final dissolution of the Company for five years.

         13.3 Publicity. Neither UAG Holdings or RSP Holdings nor any of their
respective Affiliates shall make any public announcement or other disclosure to
the press or public regarding this Agreement or the Company or any matter
related hereto or thereto, unless they mutually agree to make an announcement in
a form that both have approved. Notwithstanding the foregoing, to the extent a
Party (or its Affiliate) is required by law or the rules of a national
securities exchange applicable to such Party (or such Affiliate) to make a
public announcement regarding this Agreement or the Company or any matter
related hereto or thereto, then such Party (or such Affiliate) may make a public
announcement in the most limited form permissible in order for such Party (or
such Affiliate) to duly comply with such law or rule, provided that such Party
(or such Affiliate) gives notice to the other Party of such public announcement
promptly upon such Party (or such Affiliate) becoming aware of its need to
comply with such law or rule, but, in any event, not later than the time the
public announcement is to be made.

         13.4 Technology. Any processes, techniques, customer lists, hardware,
software, copyrights, patents, practices, marks or other intellectual property
which are owned by or

                                       15

<PAGE>   18
proprietary to either Member or its Affiliates, and used by such Member or its
Affiliates, in the performance of its obligations under this Agreement or any
other agreement between such Member or it Affiliates and the Company, together
with all enhancements thereto (the "Technology"), shall be and at all times
shall remain the property of such party, and the Company shall not have any
interest in such Technology, nor shall the Company or the other Members acquire
any rights or interest in or to such Technology as a result of being a party to
this Agreement, except to the extent otherwise expressly provided in a signed
writing.

                  Any Technology developed in connection with the operation of
the Company, which relates to services provided by a Member shall be deemed to
be the property of such Member and such Technology shall not be deemed property
of the Company; provided, however, that if such Technology is developed solely
for use with the Company at the request of the Company and such new Technology
can be separated from other aspects of the Member's existing Technology and
if all of the cost of developing such Technology is paid by the Company, then
Prior to developing such Technology, the Member developing such Technology and
the Company shall negotiate in good faith and enter into a separate written
agreement specifying the terms of the development and use of such new Technology
which agreement shall include, without limitation, costs, specifications,
development time, ownership and licensing terms.

         13.5 Tradenames. Neither the Company nor any Member shall obtain any
rights in any trademark, tradename, or service name or service marks or
other mark or name of any other Member or any of its Affiliates by virtue of
this Agreement or as a result of the formation and operation of the Company, and
each Member hereby irrevocably waives any rights to such names, dress and marks
as it or any of its Affiliates may now have or hereafter acquire by virtue of or
arising out of the execution, delivery and/or performance of this Agreement and
any of the transactions contemplated hereby.

         13.6 Invalidity. The invalidity of any provision of this Agreement
shall not affect the validity of the remainder of any such provision or the
remaining provisions of this Agreement.

         13.7 Waiver. The failure of any party at any time to require
performance by any other party of any provision of this Agreement shall not be
deemed a continuing waiver of that provision or a waiver of any other provision
of this Agreement and shall in no way affect the full right to require such
performance from the other party at any time thereafter.

         13.8 Choice of Law and Arbitration. This Agreement shall be governed by
and construed according to the laws of Sao Paulo, Brasil. Any and all actions
concerning any dispute arising hereunder shall be filed and maintained only in a
state or federal court sitting in Sao Paulo, Brasil, and the parties hereto
specifically consent and submit to the jurisdiction of such state or federal
court subject to Section 12.7.

         13.9 Counterparts. This Agreement may be signed in any number of
counterparts with the same effect as if the signature on each such counterpart
were upon the same instrument. Each executed copy shall be deemed an executed
original for all purposes.

                                       16

<PAGE>   19
         13.10 Notices. All notices, demands, and requests required or permitted
to be given under the provisions of this Agreement shall be in writing and shall
be deemed given: (a) when personally delivered to the party to be given such
notice or other communication; (b) on the day that such notice or other
communication is received by facsimile or similar electronic device, fully
prepaid, which facsimile or similar electronic communication shall promptly be
confirmed by written notice; (c) on the day of receipt via United States mail
or, if the addressee refuses delivery, on the date of such refusal; or (d) on
the day such notice or other communication is delivered by reputable overnight
courier to the address that the party receiving notice designates in writing.

                                        UAG HOLDINGS DO BRASIL, LTDA.

                                        By: /s/ Phillip M. Hartz
                                           -------------------------------------

                                                Its: Vice President
                                                    ----------------------------

                                        RSP HOLDINGS DO BRASIL, LTDA

                                        By: /s/ Roger S. Penske, Jr.
                                           -------------------------------------

                                                Its: President
                                                    ----------------------------

                                       17

<PAGE>   20

                                   Exhibit A

                                    Members
<TABLE>
<CAPTION>
                                     INITIAL                   PERCENTAGE
MEMBER                           CAPITAL ACCOUNT                INTEREST
------                           ---------------                --------
<S>                              <C>                           <C>
UAG Holdings do Brasil,            $4,660,074                      85%
Ltda.

Andre Ribeiro Holdings, Ltda.        $796,462                      15%
</TABLE>

                                       18

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