ARBOR SOFTWARE CORP
8-K, 1998-03-20
PREPACKAGED SOFTWARE
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<PAGE>   1
                       SECURITIES AND EXCHANGE COMMISSION

                             WASHINGTON, D.C. 20549

                                 --------------


                                    FORM 8-K


                                 CURRENT REPORT
                     PURSUANT TO SECTION 13 OR 15(d) OF THE
                         SECURITIES EXCHANGE ACT OF 1934




DATE OF REPORT (DATE OF EARLIEST EVENT REPORTED) MARCH 5, 1998



                           ARBOR SOFTWARE CORPORATION
- --------------------------------------------------------------------------------
              (EXACT NAME OF REGISTRATION AS SPECIFIED IN CHARTER)


          DELAWARE               000-26934               77-0277772
- ----------------------------    -----------    ---------------------------------
(STATE OR OTHER JURISDICTION    (COMMISSION    (IRS EMPLOYER IDENTIFICATION NO.)
      OF INCORPORATION          FILE NUMBER)


1344 CROSSMAN AVENUE, SUNNYVALE, CALIFORNIA                           94089
- -------------------------------------------                       --------------
  (ADDRESS OF PRINCIPAL EXECUTIVE OFFICES)                          (ZIP CODE)


REGISTRANT'S TELEPHONE NUMBER, INCLUDING AREA CODE                (408) 744-9500
                                                   -----------------------------

                                 NOT APPLICABLE
- --------------------------------------------------------------------------------
          (FORMER NAME OR FORMER ADDRESS, IF CHANGED SINCE LAST REPORT)








<PAGE>   2

ITEM 5. OTHER EVENTS

        The information which is set forth in the Registrant's News Releases
dated March 5, 1998 and March 17, 1998 is incorporated by reference.


ITEM 7. EXHIBITS

(c)     EXHIBITS:

<TABLE>
<CAPTION>
Exhibit
Number
- -------
<S>     <C>     
4.5     Indenture dated March 15, 1998 by and between Arbor Software Corporation
        (the "Company") and State Street Bank and Trust Company of California,
        N.A.

4.6     Registration Rights Agreement dated March 15, 1998 by and between the
        Company and Morgan Stanley & Co. Incorporated and BancAmerica Robertson
        Stephens.

99.1    March 5, 1998 Press Release: "Arbor Software Corporation Announces
        Offering of Convertible Subordinated Notes."

99.2    March 17, 1998 Press Release: "Arbor Software Corporation Raises $100
        Million through Offering of Convertible Subordinated Notes."
</TABLE>


ITEM 9. SALES OF EQUITY SECURITIES PURSUANT TO REGULATIONS.

        None of the securities in the above referenced transaction were sold in
reliance upon Regulation S of the Securities Act of 1933, as amended.





                                       2
<PAGE>   3

                                   SIGNATURES


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


                                        Arbor Software Corporation
                                        (Registrant)



Date:  March 17, 1998                   By: /s/Stephen V. Imbler
                                            ------------------------------------
                                            Stephen V. Imbler
                                            Senior Vice President and Chief 
                                            Financial Officer (Duly Authorized 
                                            Officer and Principal Financial 
                                            Officer)







                                       3
<PAGE>   4

                           ARBOR SOFTWARE CORPORATION

                                  EXHIBIT INDEX

<TABLE>
<CAPTION>
Exhibit
Number
- -------
<S>     <C>
4.5     Indenture dated March 15, 1998 by and between Arbor Software Corporation
        (the "Company") and State Street Bank and Trust Company of California,
        N.A.

4.6     Registration Rights Agreement dated March 15, 1998 by and between the
        Company and Morgan Stanley & Co. Incorporated and BancAmerica Robertson
        Stephens.

99.1    March 5, 1998 Press Release: "Arbor Software Corporation Announces
        Offering of Convertible Subordinated Notes."

99.2    March 17, 1998 Press Release: "Arbor Software Corporation Raises $100
        Million through Offering of Convertible Subordinated Notes."
</TABLE>






                                       4

<PAGE>   1
                                                                     EXHIBIT 4.5

                           ARBOR SOFTWARE CORPORATION

                                       AND

                           STATE STREET BANK AND TRUST
                          COMPANY OF CALIFORNIA, N.A.,
                                   AS TRUSTEE



                                    INDENTURE



                           DATED AS OF MARCH 15, 1998



                 4 1/2% CONVERTIBLE SUBORDINATED NOTES DUE 2005





<PAGE>   2

                           ARBOR SOFTWARE CORPORATION

     Reconciliation and Tie Between the Trust Indenture Act of 1939 and
Indenture, dated as of March 15, 1998, between Arbor Software Corporation and
State Street Bank and Trust Company of California, N.A., as Trustee.

<TABLE>
<CAPTION>
TRUST INDENTURE ACT SECTION                                    INDENTURE SECTION
- ---------------------------                                    -----------------
<S>                                                            <C>
Section 310(a)(1)......................................................8.9
(a)(2).................................................................8.9
(a)(3)......................................................Not Applicable
(a)(4)......................................................Not Applicable
(a)(5).................................................................8.9
(b)...................................................8.8; 8.9; 8.10; 8.11
Section 311(a)........................................................8.13
(b)...................................................................8.13
(b)(2)..............................................................6.3(a)
Section 312(a).................................................6.1; 6.2(a)
(b).................................................................6.2(b)
(c).................................................................6.2(c)
Section 313(a)......................................................6.3(a)
(b).................................................................6.3(a)
(c).................................................................6.3(a)
(d).................................................................6.3(b)
Section 314(a).........................................................6.4
(b).........................................................Not Applicable
(c)(1)................................................................16.5
(c)(2)................................................................16.5
(c)(3)......................................................Not Applicable
(d).........................................................Not Applicable
(e)...................................................................16.5
Section 315(a).........................................................8.1
(b)....................................................................7.8
(c)....................................................................8.1
(d)....................................................................8.1
(d)(1)..............................................................8.1(a)
(d)(2)..............................................................8.1(b)
(d)(3)..............................................................8.1(c)
(e)....................................................................7.9
Section 316(a).........................................................7.7
(a)(1)(A)..............................................................7.7
(a)(1)(B)..............................................................7.7
(a)(2)......................................................Not Applicable
(b)....................................................................7.4
Section 317(a)(1)......................................................7.5
(a)(2).................................................................7.5
(b)....................................................................5.4
Section 318(a)........................................................16.7
</TABLE>
- ----------
Note:  This reconciliation and tie shall not, for any purpose, be deemed to be
a part of the Indenture.



                                      -i-
<PAGE>   3

                                TABLE OF CONTENTS

<TABLE>
<CAPTION>
                                                                             PAGE
                                                                             ----
<S>                                                                          <C>
ARTICLE I  DEFINITIONS........................................................-1-

Section 1.1 Definitions.......................................................-1-
      Affiliate...............................................................-2-
      Applicable Price........................................................-2-
      Board of Directors......................................................-2-
      Business Day............................................................-2-
      Closing Price...........................................................-2-
      Commission..............................................................-2-
      Common Stock............................................................-2-
      Company.................................................................-3-
      Conversion Price........................................................-3-
      Corporate Trust Office..................................................-3-
      Credit Agreement........................................................-3-
      Custodian...............................................................-3-
      Default.................................................................-3-
      Depositary..............................................................-3-
      Designated Senior Indebtedness..........................................-3-
      Exchange Act............................................................-4-
      Event of Default........................................................-4-
      Fundamental Change......................................................-4-
      Global Note ............................................................-4-
      Indebtedness............................................................-4-
      Indenture...............................................................-5-
      Initial Purchasers......................................................-5-
      Institutional Accredited Investor.......................................-5-
      Liquidated Damages......................................................-5-
      Note or Notes...........................................................-5-
      Noteholder or holder....................................................-5-
      Note register...........................................................-5-
      Officers' Certificate...................................................-5-
      Opinion of Counsel......................................................-5-
      outstanding.............................................................-5-
      Payment Blockage Notice.................................................-6-
      Person..................................................................-6-
      Portal Market...........................................................-6-
      Predecessor Note........................................................-6-
      QIB.....................................................................-6-
</TABLE>



                                      -i-

<PAGE>   4
<TABLE>
<CAPTION>
                                                                             PAGE
                                                                             ----
<S>                                                                          <C>
      Reference Market Price..................................................-6-
      Registration Rights Agreement...........................................-6-
      Representative..........................................................-7-
      Responsible Officer.....................................................-7-
      Restricted Securities...................................................-7-
      Rule 144A...............................................................-7-
      Securities Act..........................................................-7-
      Senior Indebtedness.....................................................-7-
      Significant Subsidiary..................................................-7-
      Subsidiary..............................................................-8-
      Trading Day.............................................................-8-
      Trigger Event...........................................................-8-
      Trust Indenture Act.....................................................-8-
      Trustee.................................................................-8-

ARTICLE II ISSUE, DESCRIPTION, EXECUTION, REGISTRATION AND 
           EXCHANGE OF NOTES..................................................-8-

Section 2.1 Designation Amount and Issue of Notes.............................-8-
Section 2.2 Form of Notes.....................................................-9-
Section 2.3 Date and Denomination of Notes; Payments of Interest..............-9-
Section 2.4 Execution of Notes...............................................-11-
Section 2.5 Exchange and Registration of Transfer of Notes: Restrictions
            on Transfer; Depositary..........................................-11-
Section 2.6 Mutilated, Destroyed, Lost or Stolen Notes.......................-18-
Section 2.7 Temporary Notes..................................................-19-
Section 2.8 Cancellation of Notes Paid, Etc..................................-19-
Section 2.9 CUSIP Numbers....................................................-20-

ARTICLE III REDEMPTION OF NOTES..............................................-20-

Section 3.1 Redemption Prices................................................-20-
Section 3.2 Notice of Redemption; Selection of Notes.........................-20-
Section 3.3 Payment of Notes Called for Redemption...........................-21-
Section 3.4 Conversion Arrangement on Call for Redemption....................-22-
Section 3.5 Redemption at Option of Holders..................................-23-

ARTICLE IV SUBORDINATION OF NOTES............................................-25-

Section 4.1 Agreement of Subordination.......................................-25-
Section 4.2 Payments to Noteholders..........................................-25-
Section 4.3 Subrogation of Notes.............................................-28-
Section 4.4 Authorization to Effect Subordination............................-29-
</TABLE>



                                      -ii-
<PAGE>   5

<TABLE>
<CAPTION>
                                                                             PAGE
                                                                             ----
<S>                                                                          <C>
Section 4.5  Notice to Trustee...............................................-29-
Section 4.6  Trustee's Relation to Senior Indebtedness.......................-30-
Section 4.7  No Impairment of Subordination..................................-30-
Section 4.8  Certain Conversions Not Deemed Payment..........................-30-
Section 4.9  Article Applicable to Paying Agents.............................-31-
Section 4.10 Senior Indebtedness Entitled to Rely............................-31-
Section 4.11 Reliance on Judicial Order or Certificate of Liquidating Agent..-31-

ARTICLE V PARTICULAR COVENANTS OF THE COMPANY...............................-32-

Section 5.1  Payment of Principal, Premium and Interest......................-32-
Section 5.2  Maintenance of Office or Agency.................................-32-
Section 5.3  Appointments to Fill Vacancies in Trustee's Office..............-33-
Section 5.4  Provisions as to Paying Agent...................................-33-
Section 5.5  Existence.......................................................-34-
Section 5.6  Maintenance of Properties.......................................-34-
Section 5.7  Payment of Taxes and Other Claims...............................-34-
Section 5.8  Rule 144A Information Requirement...............................-34-
Section 5.9  Stay, Extension and Usury Laws..................................-35-
Section 5.10 Compliance Certificate..........................................-35-

ARTICLE VI NOTEHOLDERS' LISTS AND REPORTS BY THE COMPANY AND THE TRUSTEE.....-36-

Section 6.1 Noteholders' Lists...............................................-36-
Section 6.2 Preservation and Disclosure of Lists.............................-36-
Section 6.3 Reports by Trustee...............................................-36-
Section 6.4 Reports by Company...............................................-37-

ARTICLE VII REMEDIES OF THE TRUSTEE AND NOTEHOLDERS ON AN EVENT OF DEFAULT...-37-

Section 7.1 Events of Default................................................-37-
Section 7.2 Payments of Notes on Default; Suit Therefor......................-39-
Section 7.3 Application of Monies Collected by Trustee.......................-40-
Section 7.4 Proceedings by Noteholder........................................-41-
Section 7.5 Proceedings by Trustee...........................................-42-
Section 7.6 Remedies Cumulative and Continuing...............................-42-
Section 7.7 Direction of Proceedings and Waiver of Defaults by Majority of 
            Noteholders .....................................................-42-
Section 7.8 Notice of Defaults...............................................-43-
Section 7.9 Undertaking to Pay Costs.........................................-43-

ARTICLE VIII CONCERNING THE TRUSTEE..........................................-43-
</TABLE>



                                      -iii-
<PAGE>   6

<TABLE>
<CAPTION>
                                                                             PAGE
                                                                             ----
<S>                                                                          <C>
Section 8.1  Duties and Responsibilities of Trustee..........................-43-
Section 8.2  Reliance on Documents, Opinions, Etc............................-45-
Section 8.3  No Responsibility for Recitals, Etc.............................-46-
Section 8.4  Trustee, Paying Agents, Conversion Agents or Registrar 
             May Own Notes...................................................-46-
Section 8.5  Monies to Be Held in Trust......................................-46-
Section 8.6  Compensation and Expenses of Trustee............................-46-
Section 8.7  Officers' Certificate as Evidence...............................-47-
Section 8.8  Conflicting Interests of Trustee................................-47-
Section 8.9  Eligibility of Trustee..........................................-47-
Section 8.10 Resignation or Removal of Trustee...............................-47-
Section 8.11 Acceptance by Successor Trustee.................................-48-
Section 8.12 Succession by Merger, Etc.......................................-49-
Section 8.13 Preferential Collection of Claims...............................-49-
Section 8.14 Trustee's Application for Instructions from the Company.........-50-

ARTICLE IX CONCERNING THE NOTEHOLDERS........................................-50-

Section 9.1 Action by Noteholders............................................-50-
Section 9.2 Proof of Execution by Noteholders................................-50-
Section 9.3 Who Are Deemed Absolute Owners...................................-50-
Section 9.4 Company-Owned Notes Disregarded..................................-51-
Section 9.5 Revocation of Consents; Future Holders Bound.....................-51-

ARTICLE X NOTEHOLDERS' MEETINGS..............................................-51-

Section 10.1 Purpose of Meetings.............................................-51-
Section 10.2 Call of Meetings by Trustee.....................................-52-
Section 10.3 Call of Meetings by Company or Noteholders......................-52-
Section 10.4 Qualifications for Voting.......................................-52-
Section 10.5 Regulations.....................................................-53-
Section 10.6 Voting..........................................................-53-
Section 10.7 No Delay of Rights by Meeting...................................-53-

ARTICLE XI SUPPLEMENTAL INDENTURES...........................................-54-

Section 11.1 Supplemental Indentures Without Consent of Noteholders..........-54-
Section 11.2 Supplemental Indentures with Consent of Noteholders.............-55-
Section 11.3 Effect of Supplemental Indenture................................-56-
Section 11.4 Notation on Notes...............................................-56-
Section 11.5 Evidence of Compliance of Supplemental Indenture to 
             Be Furnished Trustee ...........................................-56-

ARTICLE XII CONSOLIDATION, MERGER, SALE, CONVEYANCE AND LEASE................-57-
</TABLE>



                                      -iv-
<PAGE>   7

<TABLE>
<CAPTION>
                                                                             PAGE
                                                                             ----
<S>                                                                          <C>
Section 12.1 Company May Consolidate Etc. on Certain Terms...................-57-
Section 12.2 Successor Corporation to Be Substituted.........................-57-
Section 12.3 Opinion of Counsel to Be Given Trustee..........................-58-

ARTICLE XIII  SATISFACTION AND DISCHARGE OF INDENTURE........................-58-

Section 13.1 Discharge of Indenture..........................................-58-
Section 13.2 Deposited Monies to Be Held in Trust by Trustee.................-58-
Section 13.3 Paying Agent to Repay Monies Held...............................-59-
Section 13.4 Return of Unclaimed Monies......................................-59-
Section 13.5 Reinstatement...................................................-59-

ARTICLE XIV IMMUNITY OF INCORPORATORS, STOCKHOLDERS, OFFICERS AND DIRECTORS..-59-

Section 14.1 Indenture and Notes Solely Corporate Obligations................-59-

ARTICLE XV CONVERSION OF NOTES...............................................-60-

Section 15.1  Right to Convert...............................................-60-
Section 15.2  Exercise of Conversion Privilege; Issuance of Common Stock on
              Conversion; No Adjustment for Interest or Dividends............-60-
Section 15.3  Cash Payments in Lieu of Fractional Shares.....................-62-
Section 15.4  Conversion Price...............................................-62-
Section 15.5  Adjustment of Conversion Price.................................-62-
Section 15.6  Effect of Reclassification, Consolidation, Merger or Sale......-70-
Section 15.7  Taxes on Shares Issued.........................................-71-
Section 15.8  Reservation of Shares; Shares to Be Fully Paid; Compliance 
              with Governmental Requirements; Listing of Common Stock........-71-
Section 15.9  Responsibility of Trustee......................................-72-
Section 15.10 Notice to Holders Prior to Certain Actions.....................-72-

ARTICLE XVI MISCELLANEOUS PROVISIONS.........................................-73-

Section 16.1 Provisions Binding on Company's Successors......................-73-
Section 16.2 Official Acts by Successor Corporation..........................-73-
Section 16.3 Addresses for Notices, Etc......................................-73-
Section 16.4 Governing Law...................................................-74-
Section 16.5 Evidence of Compliance with Conditions Precedent; 
             Certificates to Trustee.........................................-74-
Section 16.6 Legal Holidays..................................................-74-
Section 16.7 Trust Indenture Act.............................................-74-
Section 16.8 No Security Interest Created....................................-75-
</TABLE>



                                      -v-
<PAGE>   8

<TABLE>
<CAPTION>
                                                                             PAGE
                                                                             ----
<S>                                                                          <C>
Section 16.9  Benefits of Indenture..........................................-75-
Section 16.10 Table of Contents, Headings, Etc...............................-75-
Section 16.11 Authenticating Agent...........................................-75-
Section 16.12 Execution in Counterparts......................................-76-
</TABLE>




                                      -vi-
<PAGE>   9

                                    INDENTURE

     INDENTURE, dated as of March 15, 1998, between Arbor Software Corporation,
a Delaware corporation (hereinafter sometimes called the "Company," as more
fully set forth in Section 1.1), and State Street Bank and Trust Company of
California, N.A., a national banking association organized under the laws of the
United States of America, as trustee hereunder (hereinafter sometimes called the
"Trustee", as more fully set forth in Section 1.1).

                                   WITNESSETH:

     WHEREAS, for its lawful corporate purposes, the Company has duly authorized
the issue of its 4 1/2% Convertible Subordinated Notes due 2005 (hereinafter
sometimes called the "Notes"), in an aggregate principal amount not to exceed
$100,000,000 and, to provide the terms and conditions upon which the Notes are
to be authenticated, issued and delivered, the Company has duly authorized the
execution and delivery of this Indenture; and

     WHEREAS, the Notes, the certificate of authentication to be borne by the
Notes, a form of assignment, a form of option to elect repayment upon a
Fundamental Change, and a form of conversion notice to be borne by the Notes are
to be substantially in the forms hereinafter provided for; and

     WHEREAS, all acts and things necessary to make the Notes, when executed by
the Company and authenticated and delivered by the Trustee or a duly authorized
authenticating agent, as in this Indenture provided, the valid, binding and
legal obligations of the Company, and to constitute these presents a valid
agreement according to its terms, have been done and performed, and the
execution of this Indenture and the issue hereunder of the Notes have in all
respects been duly authorized.

          NOW, THEREFORE, THIS INDENTURE WITNESSETH:

     That in order to declare the terms and conditions upon which the Notes are,
and are to be, authenticated, issued and delivered, and in consideration of the
premises and of the purchase and acceptance of the Notes by the holders thereof,
the Company covenants and agrees with the Trustee for the equal and
proportionate benefit of the respective holders from time to time of the Notes
(except as otherwise provided below), as follows:


                                    ARTICLE I

                                   DEFINITIONS

     SECTION I.1 DEFINITIONS. The terms defined in this Section 1.1 (except as
herein otherwise expressly provided or unless the context otherwise requires)
for all purposes of this Indenture and of any indenture supplemental hereto
shall have the respective meanings specified in this Section 1.1. 



<PAGE>   10

All other terms used in this Indenture that are defined in the Trust Indenture
Act or which are by reference therein defined in the Securities Act (except as
herein otherwise expressly provided or unless the context otherwise requires)
shall have the meanings assigned to such terms in said Trust Indenture Act and
in said Securities Act as in force at the date of the execution of this
Indenture. The words "herein," "hereof," "hereunder," and words of similar
import refer to this Indenture as a whole and not to any particular Article,
Section or other Subdivision. The terms defined in this Article include the
plural as well as the singular.

     AFFILIATE: The term "Affiliate" of any specified Person shall mean any
other Person directly or indirectly controlling or controlled by or under direct
or indirect common control with such specified Person. For the purposes of this
definition, "control," when used with respect to any specified Person means the
power to direct or cause the direction of the management and policies of such
Person, directly or indirectly, whether through the ownership of voting
securities, by contract or otherwise; and the terms "controlling" and
"controlled" have meanings correlative to the foregoing.

     APPLICABLE PRICE: The term "Applicable Price" shall mean (i) in the event
of a Fundamental Change in which the holders of the Common Stock receive only
cash, the amount of cash received by the holder of one share of Common Stock and
(ii) in the event of any other Fundamental Change, the arithmetic average of the
Closing Price for the Common Stock (determined as set forth in Section 15.5(h))
during the ten Trading Days (as defined in Section 15.5(h)) prior to (A) the
record date for the determination of the holders of Common Stock entitled to
receive cash, securities, property or other assets in connection with such
Fundamental Change, or, (B) if there is no such record date, the date upon which
the holders of the Common Stock shall have the right to receive such cash,
securities, property or other assets in connection with the Fundamental Change.

     BOARD OF DIRECTORS: The term "Board of Directors" shall mean the Board of
Directors of the Company or a committee of such Board duly authorized to act for
it hereunder.

     BUSINESS DAY: The term "Business Day" shall mean each Monday, Tuesday,
Wednesday, Thursday and Friday which is not a day on which the banking
institutions in The City of New York or San Jose, California or the city in
which the Corporate Trust Office is located are authorized or obligated by law
or executive order to close or be closed.

     CLOSING PRICE: The term "Closing Price" shall have the meaning specified in
Section 15.5(h)(1).

     COMMISSION: The term "Commission" shall mean the Securities and Exchange
Commission.

     COMMON STOCK: The term "Common Stock" shall mean any stock of any class of
the Company which has no preference in respect of dividends or of amounts
payable in the event of any voluntary or involuntary liquidation, dissolution or
winding up of the Company and which is not 



                                      -2-
<PAGE>   11

subject to redemption by the Company. Subject to the provisions of Section 15.6,
however, shares issuable on conversion of Notes shall include only shares of the
class designated as common stock of the Company at the date of this Indenture or
shares of any class or classes resulting from any reclassification or
reclassifications thereof and which have no preference in respect of dividends
or of amounts payable in the event of any voluntary or involuntary liquidation,
dissolution or winding up of the Company and which are not subject to redemption
by the Company; provided that if at any time there shall be more than one such
resulting class, the shares of each such class then so issuable shall be
substantially in the proportion which the total number of shares of such class
resulting from all such reclassifications bears to the total number of shares of
all such classes resulting from all such reclassifications.

     COMPANY: The term "Company" shall mean Arbor Software Corporation, a
Delaware corporation, having its principal office at 1344 Crossman Avenue,
Sunnyvale, California 94089 and subject to the provisions of Article XII, shall
include its successors and assigns.

     CONVERSION PRICE: The term "Conversion Price" shall have the meaning
specified in Section 15.4.

     CORPORATE TRUST OFFICE: The term "Corporate Trust Office" or other similar
term, shall mean the principal office of the Trustee at which at any particular
time its corporate trust business shall be principally administered, which
office is, at the date as of which this Indenture is dated, located at Library
Tower, 633 West 5th Street, 12th Floor, Los Angeles, California, 90071,
Attention: Corporate Trust Department (Arbor Software Corporation - 4 1/2%
Convertible Subordinated Notes due 2005).

     CREDIT AGREEMENT: The term "Credit Agreement" shall mean that certain
Credit Terms and Conditions, dated as of February 13, 1998, between the Company
and Imperial Bank, as amended through the date hereof, as further amended,
amended and restated, supplemented or otherwise modified from time to time.

     CUSTODIAN: The term "Custodian" shall mean State Street Bank and Trust
Company of California, N.A., as custodian with respect to the Notes in global
form, or any successor entity thereto.

     DEFAULT: The term "default" shall mean any event that is, or after notice
or passage of time, or both, would be, an Event of Default.

     DEPOSITARY: The term "Depositary" shall mean, with respect to the Notes
issuable or issued in whole or in part in global form, the person specified in
Section 2.5(d) as the Depositary with respect to such Notes, until a successor
shall have been appointed and become such pursuant to the applicable provisions
of this Indenture, and thereafter, "Depositary" shall mean or include such
successor.



                                      -3-
<PAGE>   12

     DESIGNATED SENIOR INDEBTEDNESS: The term "Designated Senior Indebtedness"
shall mean Senior Indebtedness under the Credit Agreement and the Company's
obligations under any other particular Senior Indebtedness in which the
instrument creating or evidencing the same or the assumption or guarantee
thereof (or related agreements or documents to which the Company is a party)
expressly provides that such Senior Indebtedness shall be "Designated Senior
Indebtedness" for purposes of this Indenture (provided that such instrument,
agreement or other document may place limitations and conditions on the right of
such Senior Indebtedness to exercise the rights of Designated Senior
Indebtedness). If any payment made to any holder of any Designated Senior
Indebtedness or its Representative with respect to such Designated Senior
Indebtedness is rescinded or must otherwise be returned by such holder or
Representative upon the insolvency, bankruptcy or reorganization of the Company
or otherwise, the reinstated Indebtedness of the Company arising as a result of
such rescission or return shall constitute Designated Senior Indebtedness
effective as of the date of such rescission or return.

     EXCHANGE ACT: The term "Exchange Act" shall mean the Securities Exchange
Act of 1934, as amended, and the rules and regulations promulgated thereunder,
as in effect from time to time.

     EVENT OF DEFAULT: The term "Event of Default" shall mean any event
specified in Section 7.1(a), (b), (c), (d) or (e).

     FUNDAMENTAL CHANGE: The term "Fundamental Change" shall mean the occurrence
of any transaction or event in connection with which all or substantially all
the Common Stock shall be exchanged for, converted into, acquired for, or
constitute the right to receive, consideration which is not all or substantially
all common stock listed (or, upon consummation of or immediately following such
transaction or event, will be listed) on a United States national securities
exchange or approved for quotation on the Nasdaq National Market or any similar
United States system of automated dissemination of quotations of securities
prices (whether by means of an exchange offer, liquidation, tender offer,
consolidation, merger, combination, reclassification, recapitalization or
otherwise).

     GLOBAL NOTE : The term "Global Note" shall have the meaning set forth in
Section 2.5(b).

     INDEBTEDNESS: The term "Indebtedness" shall mean, with respect to any
Person, and without duplication, (a) all indebtedness, obligations and other
liabilities (contingent or otherwise) of such Person for borrowed money
(including obligations of the Company in respect of overdrafts, foreign exchange
contracts, currency exchange agreements, interest rate protection agreements,
and any loans or advances from banks, whether or not evidenced by notes or
similar instruments) or evidenced by bonds, debentures, notes or similar
instruments (whether or not the recourse of the lender is to the whole of the
assets of such Person or to only a portion thereof), other than any account
payable or other accrued current liability or obligation incurred in the
ordinary course of business in connection with the obtaining of materials or
services; (b) all reimbursement obligations 



                                      -4-
<PAGE>   13

and other liabilities (contingent or otherwise) of such Person with respect to
letters of credit, bank guarantees or bankers' acceptances; (c) all obligations
and liabilities (contingent or otherwise) in respect of leases of such Person
required, in conformity with generally accepted accounting principles, to be
accounted for as capitalized lease obligations on the balance sheet of such
Person and all obligations and other liabilities (contingent or otherwise) under
any lease or related document (including a purchase agreement) in connection
with the lease of real property which provides that such Person is contractually
obligated to purchase or cause a third party to purchase the leased property and
thereby guarantee a minimum residual value of the leased property to the lessor
and the obligations of such Person under such lease or related document to
purchase or to cause a third party to purchase such leased property; (d) all
obligations of such Person (contingent or otherwise) with respect to an interest
rate or other swap, cap or collar agreement or other similar instrument or
agreement or foreign currency hedge, exchange, purchase or similar instrument or
agreement; (e) all direct or indirect guaranties or similar agreements by such
Person in respect of, and obligations or liabilities (contingent or otherwise)
of such Person to purchase or otherwise acquire or otherwise assure a creditor
against loss in respect of, indebtedness, obligations or liabilities of another
Person of the kind described in clauses (a) through (d); (f) any indebtedness or
other obligations described in clauses (a) through (d) secured by any mortgage,
pledge, lien or other encumbrance existing on property which is owned or held by
such Person, regardless of whether the indebtedness or other obligation secured
thereby shall have been assumed by such Person; and (g) any and all deferrals,
renewals, extensions and refundings of, or amendments, modifications or
supplements to, any indebtedness, obligation or liability of the kind described
in clauses (a) through (f).

     INDENTURE: The term "Indenture" shall mean this instrument as originally
executed or, if amended or supplemented as herein provided, as so amended or
supplemented.

     INITIAL PURCHASERS: The term "Initial Purchasers" shall mean Morgan Stanley
& Co. Incorporated and BancAmerica Robertson Stephens.

     INSTITUTIONAL ACCREDITED INVESTOR: The term "Institutional Accredited
Investor" shall mean an institutional "accredited investor" within the meaning
of Rule 501(a)(1), (2), (3) or (7) under the Securities Act.

     LIQUIDATED DAMAGES: The term "Liquidated Damages" shall have the meaning of
the term "Liquidated Damages Amount" specified in Section 2(e) of the
Registration Rights Agreement.

     NOTE OR NOTES: The terms "Note" or "Notes" shall mean any Note or Notes, as
the case may be, authenticated and delivered under this Indenture, including the
Global Note.

     NOTEHOLDER OR HOLDER: The terms "Noteholder" or "holder" as applied to any
Note, or other similar terms (but excluding the term "beneficial holder"), shall
mean any person in whose name at the time a particular Note is registered on the
Note registrar's books.



                                      -5-
<PAGE>   14

     NOTE REGISTER: The term "Note register" shall have the meaning specified in
Section 2.5.

     OFFICERS' CERTIFICATE: The term "Officers' Certificate," when used with
respect to the Company, shall mean a certificate signed by both (a) the
President, the Chief Executive Officer, Executive or Senior Vice President or
any Vice President (whether or not designated by a number or numbers or word or
words added before or after the title "Vice President") and (b) by the Treasurer
or any Assistant Treasurer or Secretary or any Assistant Secretary of the
Company.

     OPINION OF COUNSEL: The term "Opinion of Counsel" shall mean an opinion in
writing signed by legal counsel, who may be an employee of or counsel to the
Company, or other counsel acceptable to the Trustee.

     OUTSTANDING: The term "outstanding," when used with reference to Notes,
shall, subject to the provisions of Section 9.4, mean, as of any particular
time, all Notes authenticated and delivered by the Trustee under this Indenture,
except 

          (a) Notes theretofore canceled by the Trustee or delivered to the
Trustee for cancellation;

          (b) Notes, or portions thereof, (i) for the redemption of which monies
in the necessary amount shall have been deposited in trust with the Trustee or
with any paying agent (other than the Company) or (ii) which shall have been
otherwise defeased in accordance with Article XIII;

          (c) Notes in lieu of which, or in substitution for which, other Notes
shall have been authenticated and delivered pursuant to the terms of Section
2.6; and

          (d) Notes converted into Common Stock pursuant to Article XV and Notes
deemed not outstanding pursuant to Article III.

     PAYMENT BLOCKAGE NOTICE: The term "Payment Blockage Notice" shall have the
meaning specified in Section 4.2.

     PERSON: The term "Person" shall mean a corporation, an association, a
partnership, a limited liability corporation, an individual, a joint venture, a
joint stock company, a trust, an unincorporated organization or a government or
an agency or a political subdivision thereof.

     PORTAL MARKET: The term "The Portal Market" shall mean The Portal Market
operated by the National Association of Securities Dealers, Inc. or any
successor thereto.

     PREDECESSOR NOTE: The term "Predecessor Note" of any particular Note shall
mean every previous Note evidencing all or a portion of the same debt as that
evidenced by such particular Note; and, for the purposes of this definition, any
Note authenticated and delivered under Section 2.6 



                                      -6-
<PAGE>   15

in lieu of a lost, destroyed or stolen Note shall be deemed to evidence the same
debt as the lost, destroyed or stolen Note that it replaces.

     QIB: The term "QIB" shall mean a "qualified institutional buyer" as defined
in Rule 144A.

     REFERENCE MARKET PRICE: The term "Reference Market Price" initially shall
mean $29 1/8 and in the event of any adjustment to the Conversion Price pursuant
to Sections 15.5(a), (b), (c), (d), (e), (f) or (g) the Reference Market Price
shall also be adjusted so that the ratio of the Reference Market Price to the
Conversion Price after giving effect to any such adjustment shall always be the
same as the ratio of $29 1/8 to the initial Conversion Price specified in the
form of Note attached hereto (without regard to any adjustment thereto).

     REGISTRATION RIGHTS AGREEMENT: The term "Registration Rights Agreement"
shall mean that certain Registration Rights Agreement, dated as of March 15,
1998, between the Company and the Initial Purchasers, as amended from time to
time in accordance with its terms.

     REPRESENTATIVE: The term "Representative" shall mean the (a) indenture
trustee or other trustee, agent or representative for any Senior Indebtedness or
(b) with respect to any Senior Indebtedness that does not have any such trustee,
agent or other representative, (i) in the case of such Senior Indebtedness
issued pursuant to an agreement providing for voting arrangements as among the
holders or owners of such Senior Indebtedness, any holder or owner of such
Senior Indebtedness acting with the consent of the required persons necessary to
bind such holders or owners of such Senior Indebtedness and (ii) in the case of
all other such Senior Indebtedness, the holder or owner of such Senior
Indebtedness.

     RESPONSIBLE OFFICER: The term "Responsible Officer," when used with respect
to the Trustee, shall mean an officer of the Trustee in the Corporate Trust
Office assigned and duly authorized by the Trustee to administer its corporate
trust matters.

     RESTRICTED SECURITIES: The term "Restricted Securities" shall have the
meaning specified in Section 2.5.

     RULE 144A: The term "Rule 144A" shall mean Rule 144A as promulgated under
the Securities Act.

     SECURITIES ACT: The term "Securities Act" shall mean the Securities Act of
1933, as amended, and the rules and regulations promulgated thereunder.

     SENIOR INDEBTEDNESS: The term "Senior Indebtedness" shall mean the
principal of, premium, if any, interest (including all interest accruing
subsequent to the commencement of any bankruptcy or similar proceeding, whether
or not a claim for post-petition interest is allowable as a claim in any such
proceeding) and rent payable on or in connection with, and all fees, costs,



                                      -7-
<PAGE>   16

expenses and other amounts accrued or due on or in connection with, Indebtedness
of the Company, whether outstanding on the date of this Indenture or thereafter
created, incurred, assumed, guaranteed or in effect guaranteed by the Company
(including all deferrals, renewals, extensions or refundings of, or amendments,
modifications or supplements to, the foregoing), unless in the case of any
particular Indebtedness the instrument creating or evidencing the same or the
assumption or guarantee thereof expressly provides that such Indebtedness shall
not be senior in right of payment to the Notes or expressly provides that such
Indebtedness is "pari passu" or " junior" to the Notes. Notwithstanding the
foregoing, the term Senior Indebtedness shall not include any Indebtedness of
the Company to any subsidiary of the Company, a majority of the voting stock of
which is owned, directly or indirectly, by the Company. If any payment made to
any holder of any Senior Indebtedness or its Representative with respect to such
Senior Indebtedness is rescinded or must otherwise be returned by such holder or
Representative upon the insolvency, bankruptcy or reorganization of the Company
or otherwise, the reinstated Indebtedness of the Company arising as a result of
such rescission or return shall constitute Senior Indebtedness effective as of
the date of such rescission or return.

     SIGNIFICANT SUBSIDIARY: The term "Significant Subsidiary" shall mean, as of
any date of determination, a subsidiary of the Company, a majority of the voting
stock or other voting power of which is owned directly or indirectly by the
Company, if as of such date of determination either (a) the assets of such
subsidiary equal 10% or more of the Company's total consolidated assets or (b)
the total revenue of which represented 10% or more of the Company's consolidated
total revenue for the most recently completed fiscal year.

     SUBSIDIARY: The term "Subsidiary" shall mean, with respect to any Person,
(i) any corporation, association or other business entity of which more than 50%
of the total voting power of shares of capital stock entitled (without regard to
the occurrence of any contingency) to vote in the election of directors,
managers or trustees thereof is at the time owned or controlled, directly or
indirectly, by such Person or one or more of the other subsidiaries of that
Person (or a combination thereof) and (ii) any partnership (a) the sole general
partner or managing general partner of which is such Person or a subsidiary of
such Person or (b) the only general partners of which are such Person or of one
or more subsidiaries of such Person (or any combination thereof).

     TRADING DAY: The term "Trading Day" shall have the meaning specified in
Section 15.5(h)(5).

     TRIGGER EVENT: The term "Trigger Event" shall have the meaning specified in
Section 15.5(d).

     TRUST INDENTURE ACT: The term "Trust Indenture Act" shall mean the Trust
Indenture Act of 1939, as amended, as it was in force at the date of execution
of this Indenture, except as provided in Sections 11.3 and 15.6; provided,
however, that in the event the Trust Indenture Act of 1939 is amended after the
date hereof, the term "Trust Indenture Act" shall mean, to the extent required
by such amendment, the Trust Indenture Act of 1939 as so amended.



                                      -8-
<PAGE>   17

     TRUSTEE: The term "Trustee" shall mean State Street Bank and Trust Company
of California, N.A. and its successors and any corporation resulting from or
surviving any consolidation or merger to which it or its successors may be a
party and any successor trustee at the time serving as successor trustee
hereunder.

     The definitions of certain other terms are as specified in Sections 2.5,
3.5 and Article XV.


                                   ARTICLE II

        ISSUE, DESCRIPTION, EXECUTION, REGISTRATION AND EXCHANGE OF NOTES

     SECTION II.1 DESIGNATION AMOUNT AND ISSUE OF NOTES. The Notes shall be
designated as "4 1/2% Convertible Subordinated Notes due 2005." Notes not to
exceed the aggregate principal amount of $87,000,000 (or $100,000,000 if the
over-allotment option set forth in Section 2 of the Purchase Agreement dated
March 11, 1998 (as amended from time to time by the parties thereto) by and
between the Company and the Initial Purchasers is exercised in full) (except
pursuant to Sections 2.5, 2.6, 3.3, 3.5 and 15.2 hereof) upon the execution of
this Indenture, or from time to time thereafter, may be executed by the Company
and delivered to the Trustee for authentication, and the Trustee shall thereupon
authenticate and deliver said Notes to or upon the written order of the Company,
signed by its (a) Chief Executive Officer, President, Executive or Senior Vice
President or any Vice President (whether or not designated by a number or
numbers or word or words added before or after the title "Vice President") and
(b) Treasurer or Assistant Treasurer or its Secretary or any Assistant
Secretary, without any further action by the Company hereunder.

     SECTION II.2 FORM OF NOTES. The Notes and the Trustee's certificate of
authentication to be borne by such Notes shall be substantially in the form set
forth in Exhibit A, which is incorporated in and made a part of this Indenture.

     Any of the Notes may have such letters, numbers or other marks of
identification and such notations, legends and endorsements as the officers
executing the same may approve (execution thereof to be conclusive evidence of
such approval) and as are not inconsistent with the provisions of this
Indenture, or as may be required to comply with any law or with any rule or
regulation made pursuant thereto or with any rule or regulation of any
securities exchange or automated quotation system on which the Notes may be
listed, or to conform to usage.

     Any Note in global form shall represent the outstanding Notes specified
therein and shall provide that it shall represent the aggregate amount of
outstanding Notes from time to time endorsed thereon and that the aggregate
amount of outstanding Notes represented thereby may from time to time be
increased or reduced to reflect transfers or exchanges permitted hereby. Any
endorsement of a Note in global form to reflect the amount of any increase or
decrease in the amount of outstanding Notes represented thereby shall be made by
the Trustee or the Custodian, at the direction of the 



                                      -9-
<PAGE>   18

Trustee, in such manner and upon instructions given by the holder of such Notes
in accordance with this Indenture. Payment of principal of and interest and
premium, if any, on any Note in global form shall be made to the holder of such
Note.

     The terms and provisions contained in the form of Note attached as Exhibit
A hereto shall constitute, and are hereby expressly made, a part of this
Indenture and, to the extent applicable, the Company and the Trustee, by their
execution and delivery of this Indenture, expressly agree to such terms and
provisions and to be bound thereby.

     SECTION II.3 DATE AND DENOMINATION OF NOTES; PAYMENTS OF INTEREST. The
Notes shall be issuable in registered form without coupons in denominations of
$1,000 principal amount and integral multiples thereof. Every Note shall be
dated the date of its authentication and shall bear interest from the applicable
date in each case as specified on the face of the form of Note attached as
Exhibit A hereto. Interest on the Notes shall be computed on the basis of a
360-day year comprised of twelve (12) 30-day months.

     The person in whose name any Note (or its Predecessor Note) is registered
on the Note register at the close of business on any record date with respect to
any interest payment date shall be entitled to receive the interest payable on
such interest payment date, except (i) that the interest payable upon redemption
(unless the date of redemption is an interest payment date) will be payable to
the person to whom principal is payable and (ii) as set forth in the next
succeeding sentence. In the case of any Note (or portion thereof) which is
converted into Common Stock of the Company during the period from (but
excluding) a record date to (but excluding) the next succeeding interest payment
date either (i) if such Note (or portion thereof) has been called for redemption
on a redemption date which occurs during such period, or is to be redeemed in
connection with a Fundamental Change on a Repurchase Date (as defined in Section
3.5) which occurs during such period, the Company shall not be required to pay
interest on such interest payment date in respect of any such Note (or portion
thereof) except to the extent required to be paid upon redemption of such Note
or portion thereof pursuant to Section 3.3 or 3.5 hereof or (ii) if otherwise,
any Note (or portion thereof) submitted for conversion during such period shall
be accompanied by funds equal to the interest payable on such succeeding
interest payment date on the principal amount so converted. Interest may, as the
Company shall specify to the paying agent in writing by each record date, be
paid either (i) by check mailed to the address of the person entitled thereto as
it appears in the Note register (provided that the holder of Notes with an
aggregate principal amount in excess of $2,000,000 shall, at the written
election of such holder, be paid by wire transfer in immediately available
funds) or (ii) by transfer to an account maintained by such person located in
the United States; provided, however, that payments to the Depositary will be
made by wire transfer of immediately available funds to the account of the
Depositary or its nominee. The term "record date" with respect to any interest
payment date shall mean the March 1 or September 1 preceding said March 15 or
September 15, respectively.

     Any interest on any Note which is payable, but is not punctually paid or
duly provided for, on any said March 15 or September 15 (herein called
"Defaulted Interest") shall forthwith cease to be 



                                      -10-
<PAGE>   19

payable to the Noteholder on the relevant record date by virtue of his having
been such Noteholder; and such Defaulted Interest shall be paid by the Company,
at its election in each case, as provided in clause (1) or (2) below;

     (1) The Company may elect to make payment of any Defaulted Interest to the
Persons in whose names the Notes (or their respective Predecessor Notes) are
registered at the close of business on a special record date for the payment of
such Defaulted Interest, which shall be fixed in the following manner. The
Company shall notify the Trustee in writing of the amount of Defaulted Interest
to be paid on each Note and the date of the payment (which shall be not less
than twenty-five (25) days after the receipt by the Trustee of such notice,
unless the Trustee shall consent to an earlier date), and at the same time the
Company shall deposit with the Trustee an amount of money equal to the aggregate
amount to be paid in respect of such Defaulted Interest or shall make
arrangements satisfactory to the Trustee for such deposit prior to the date of
the proposed payment, such money when deposited to be held in trust for the
benefit of the Persons entitled to such Defaulted Interest as in this clause
provided. Thereupon the Trustee shall fix a special record date for the payment
of such Defaulted Interest which shall be not more than fifteen (15) days and
not less than ten (10) days prior to the date of the proposed payment, and not
less than ten (10) days after the receipt by the Trustee of the notice of the
proposed payment, the Trustee shall promptly notify the Company of such special
record date and, in the name and at the expense of the Company, shall cause
notice of the proposed payment of such Defaulted Interest and the special record
date therefor to be mailed, first-class postage prepaid, to each Noteholder at
his address as it appears in the Note register, not less than ten (10) days
prior to such special record date. Notice of the proposed payment of such
Defaulted Interest and the special record date therefor having been so mailed,
such Defaulted Interest shall be paid to the Persons in whose names the Notes
(or their respective Predecessor Notes) were registered at the close of business
on such special record date and shall no longer be payable pursuant to the
following clause (2) of this Section 2.3.

     (2) The Company may make payment of any Defaulted Interest in any other
lawful manner not inconsistent with the requirements of any securities exchange
or automated quotation system on which the Notes may be listed or designated for
issuance, and upon such notice as may be required by such exchange or automated
quotation system, if, after notice given by the Company to the Trustee of the
proposed payment pursuant to this clause, such manner of payment shall be deemed
practicable by the Trustee.

     SECTION II.4 EXECUTION OF NOTES. The Notes shall be signed in the name and
on behalf of the Company by the facsimile signature of its Chief Executive
Officer, President, any Executive or Senior Vice President or any Vice President
(whether or not designated by a number or numbers or word or words added before
or after the title "Vice President") and attested by the facsimile signature of
its Secretary or any of its Assistant Secretaries or Treasurer or any of its
Assistant Treasurers (which may be printed, engraved or otherwise reproduced
thereon, by facsimile or otherwise). Only such Notes as shall bear thereon a
certificate of authentication substantially in the form set forth on the form of
Note attached as Exhibit A hereto, manually executed by the Trustee (or an
authenticating agent appointed by the Trustee as provided by Section 16.11),
shall be entitled 



                                      -11-
<PAGE>   20

to the benefits of this Indenture or be valid or obligatory for any purpose.
Such certificate by the Trustee (or such an authenticating agent) upon any Note
executed by the Company shall be conclusive evidence that the Note so
authenticated has been duly authenticated and delivered hereunder and that the
holder is entitled to the benefits of this Indenture.

     In case any officer of the Company who shall have signed any of the Notes
shall cease to be such officer before the Notes so signed shall have been
authenticated and delivered by the Trustee, or disposed of by the Company, such
Notes nevertheless may be authenticated and delivered or disposed of as though
the person who signed such Notes had not ceased to be such officer of the
Company; and any Note may be signed on behalf of the Company by such persons as,
at the actual date of the execution of such Note, shall be the proper officers
of the Company, although at the date of the execution of this Indenture any such
person was not such an officer.

     SECTION II.5 EXCHANGE AND REGISTRATION OF TRANSFER OF NOTES: RESTRICTIONS
                  ON TRANSFER; DEPOSITARY.

     (a) The Company shall cause to be kept at the Corporate Trust Office a
register (the register maintained in such office or in any other office or
agency of the Company designated pursuant to Section 5.2 being herein sometimes
collectively referred to as the "Note register") in which, subject to such
reasonable regulations as it may prescribe, the Company shall provide for the
registration of Notes and of transfers of Notes. The Note register shall be in
written form or in any form capable of being converted into written form within
a reasonably prompt period of time. The Trustee is hereby appointed "Note
registrar" for the purpose of registering Notes and transfers of Notes as herein
provided. The Company may appoint one or more co-registrars in accordance with
Section 5.2.

     Upon surrender for registration of transfer of any Note to the Note
registrar or any co-registrar, and satisfaction of the requirements for such
transfer set forth in this Section 2.5, the Company shall execute, and the
Trustee shall authenticate and deliver, in the name of the designated transferee
or transferees, one or more new Notes of any authorized denominations and of a
like aggregate principal amount and bearing such restrictive legends as may be
required by this Indenture.

     Notes may be exchanged for other Notes of any authorized denominations and
of a like aggregate principal amount, upon surrender of the Notes to be
exchanged at any such office or agency maintained by the Company pursuant to
Section 5.2. Whenever any Notes are so surrendered for exchange, the Company
shall execute, and the Trustee shall authenticate and deliver, the Notes which
the Noteholder making the exchange is entitled to receive bearing registration
numbers not contemporaneously outstanding.

     All Notes issued upon any registration of transfer or exchange of Notes
shall be the valid obligations of the Company, evidencing the same debt, and
entitled to the same benefits under this Indenture, as the Notes surrendered
upon such registration of transfer or exchange.



                                      -12-
<PAGE>   21

     All Notes presented or surrendered for registration of transfer or for
exchange, redemption or conversion shall (if so required by the Company or the
Note registrar) be duly endorsed, or be accompanied by a written instrument or
instruments of transfer in form satisfactory to the Company, and the Notes shall
be duly executed by the Noteholder thereof or his attorney duly authorized in
writing.

     No service charge shall be made for any registration of transfer or
exchange of Notes, but the Company may require payment of a sum sufficient to
cover any tax, assessment or other governmental charge that may be imposed in
connection with any registration of transfer or exchange of Notes.

     Neither the Company nor the Trustee nor any Note registrar or any Company
registrar shall be required to exchange or register a transfer of (a) any Notes
for a period of fifteen (15) days next preceding any selection of Notes to be
redeemed or (b) any Notes or portions thereof called for redemption pursuant to
Section 3.2 or (c) any Notes or portion thereof surrendered for conversion
pursuant to Article XV or (d) any Notes or portions thereof tendered for
redemption (and not withdrawn) pursuant to Section 3.5.

          (b) So long as the Notes are eligible for book-entry settlement with
the Depositary, or unless otherwise required by law, all Notes that upon initial
issuance are beneficially owned by QIBs and all Notes that are beneficially
owned by Persons that are not U.S. Persons as a result of a sale or transfer
after initial issuance will be represented by one or more Notes in global form
registered in the name of the Depositary or the nominee of the Depositary (the
"Global Note"), except as otherwise specified below. The transfer and exchange
of beneficial interests in any such Global Note shall be effected through the
Depositary in accordance with this Indenture and the procedures of the
Depositary therefor. The Trustee shall make appropriate endorsements to reflect
increases or decreases in the principal amounts of any such Global Note as set
forth on the face of the Note ("Principal Amount") to reflect any such
transfers. Except as provided below, beneficial owners of a Global Note shall
not be entitled to have certificates registered in their names, will not receive
or be entitled to receive physical delivery of certificates in definitive form
and will not be considered Holders of such Notes in global form.

          (c) So long as the Notes are eligible for book-entry settlement, or
unless otherwise required by law, upon any transfer of a definitive Note to a
QIB in accordance with Rule 144A or to a Person that is not a U.S. Person in an
offshore transaction, and upon receipt of the definitive Note or Notes being so
transferred, together with a certification, substantially in the form on the
reverse of the Note, from the transferor that the transfer is being made in
compliance with Rule 144A or to a Person that is not a U.S. Person in an
offshore transaction (or other evidence satisfactory to the Trustee), the
Trustee shall make an endorsement on the Global Note to reflect an increase in
the aggregate Principal Amount of the Notes represented by such Note in 



                                      -13-
<PAGE>   22

global form, the Trustee shall cancel such definitive Note or Notes in
accordance with the standing instructions and procedures of the Depositary, the
aggregate Principal Amount of Notes represented by such Note in global form to
be increased accordingly; provided that no definitive Note, or portion thereof,
in respect of which the Company or an Affiliate of the Company held any
beneficial interest shall be included in such Note in global form until such
definitive Note is freely tradable in accordance with Rule 144(k); provided
further that the Trustee shall issue Notes in definitive form upon any transfer
of a beneficial interest in the Note in global form to the Company or any
Affiliate of the Company.

     Upon any sale or transfer of a Note to an Institutional Accredited Investor
(other than pursuant to a registration statement that has been declared
effective under the Securities Act), such Institutional Accredited Investor
shall, prior to such sale or transfer, furnish to the Company and the Trustee a
signed letter containing representations and agreements relating to restrictions
on transfer substantially in the form set forth in Exhibit B to this Indenture.

     Any Note in global form may be endorsed with or have incorporated in the
text thereof such legends or recitals or changes not inconsistent with the
provisions of this Indenture as may be required by the Custodian, the Depositary
or by the National Association of Securities Dealers, Inc. in order for the
Notes to be tradeable on The Portal Market or as may be required for the Notes
to be tradeable on any other market developed for trading of securities pursuant
to Rule 144A or required to comply with any applicable law or any regulation
thereunder or with the rules and regulations of any securities exchange or
automated quotation system upon which the Notes may be listed or traded or to
conform with any usage with respect thereto, or to indicate any special
limitations or restrictions to which any particular Notes are subject.

          (d) Every Note that bears or is required under this Section 2.5(d) to
bear the legend set forth in this Section 2.5(d) (together with any Common Stock
issued upon conversion of the Notes and required to bear the legend set forth in
Section 2.5(e), collectively, the "Restricted Securities") shall be subject to
the restrictions on transfer set forth in this Section 2.5(d) (including those
set forth in the legend set forth below) unless such restrictions on transfer
shall be waived by written consent of the Company, and the holder of each such
Restricted Note, by such Noteholder's acceptance thereof, agrees to be bound by
all such restrictions on transfer. As used in Sections 2.5(d) and 2.5(e), the
term "transfer" encompasses any sale, pledge, transfer or other disposition
whatsoever of any Restricted Security.

     Until the expiration of the holding period applicable to sales thereof
under Rule 144(k) under the Securities Act (or any successor provision), any
certificate evidencing such Note (and all securities issued in exchange therefor
or substitution thereof, other than Common Stock, if any, issued upon conversion
thereof, which shall bear the legend set forth in Section 2.5(e), if applicable)
shall bear a legend in substantially the following form, unless such Note has
been sold pursuant to a registration statement that has been declared effective
under the Securities Act (and which continues to be effective at the time of
such transfer), or unless otherwise agreed by the Company in writing, with
written notice thereof to the Trustee:

     THE NOTE EVIDENCED HEREBY HAS NOT BEEN REGISTERED UNDER THE UNITED STATES
     SECURITIES ACT OF 1933, AS AMENDED (THE 



                                      -14-
<PAGE>   23

     "SECURITIES ACT"), OR ANY STATE SECURITIES LAWS, AND, ACCORDINGLY, MAY NOT
     BE OFFERED OR SOLD WITHIN THE UNITED STATES OR TO, OR FOR THE ACCOUNT OR
     BENEFIT OF, UNITED STATES PERSONS EXCEPT AS SET FORTH IN THE FOLLOWING
     SENTENCE. BY ITS ACQUISITION HEREOF, THE HOLDER (1) REPRESENTS THAT (A) IT
     IS A "QUALIFIED INSTITUTIONAL BUYER" (AS DEFINED IN RULE 144A UNDER THE
     SECURITIES ACT), (B) IT IS AN INSTITUTIONAL "ACCREDITED INVESTOR" (AS
     DEFINED IN RULE 501(A)(1), (2), (3) OR (7) UNDER THE SECURITIES ACT)
     ("INSTITUTIONAL ACCREDITED INVESTOR") OR (C) IT IS NOT A UNITED STATES
     PERSON AND IS ACQUIRING THE NOTE EVIDENCED HEREBY IN AN OFFSHORE
     TRANSACTION; (2) AGREES THAT IT WILL NOT, PRIOR TO EXPIRATION OF THE
     HOLDING PERIOD APPLICABLE TO SALES OF THE NOTE EVIDENCED HEREBY UNDER RULE
     144(K) UNDER THE SECURITIES ACT (OR ANY SUCCESSOR PROVISION), RESELL OR
     OTHERWISE TRANSFER THE NOTE EVIDENCED HEREBY OR THE COMMON STOCK ISSUABLE
     UPON CONVERSION OF SUCH NOTE WITHIN THE UNITED STATES OR TO, OR FOR THE
     ACCOUNT OR BENEFIT OF, U.S. PERSONS EXCEPT (A) TO ARBOR SOFTWARE
     CORPORATION OR ANY SUBSIDIARY THEREOF, (B) TO A QUALIFIED INSTITUTIONAL
     BUYER IN COMPLIANCE WITH RULE 144A UNDER THE SECURITIES ACT, (C) TO AN
     INSTITUTIONAL ACCREDITED INVESTOR THAT, PRIOR TO SUCH TRANSFER, FURNISHES
     TO STATE STREET BANK AND TRUST COMPANY OF CALIFORNIA, N.A., AS TRUSTEE (OR
     A SUCCESSOR TRUSTEE, AS APPLICABLE), A SIGNED LETTER CONTAINING CERTAIN
     REPRESENTATIONS AND AGREEMENTS RELATING TO THE RESTRICTIONS ON TRANSFER OF
     THE NOTE EVIDENCED HEREBY (THE FORM OF WHICH LETTER CAN BE OBTAINED FROM
     SUCH TRUSTEE OR A SUCCESSOR TRUSTEE, AS APPLICABLE), (D) PURSUANT TO THE
     EXEMPTION FROM REGISTRATION PROVIDED BY RULE 144 UNDER THE SECURITIES ACT
     (IF AVAILABLE) OR (E) PURSUANT TO A REGISTRATION STATEMENT WHICH HAS BEEN
     DECLARED EFFECTIVE UNDER THE SECURITIES ACT (AND WHICH CONTINUES TO BE
     EFFECTIVE AT THE TIME OF SUCH TRANSFER); (3) PRIOR TO SUCH TRANSFER (OTHER
     THAN A TRANSFER PURSUANT TO CLAUSE 2(E) ABOVE), IT WILL FURNISH TO STATE
     STREET BANK AND TRUST COMPANY OF CALIFORNIA, N.A., AS TRUSTEE (OR A
     SUCCESSOR TRUSTEE, AS APPLICABLE), SUCH CERTIFICATIONS, LEGAL OPINIONS OR
     OTHER INFORMATION AS THE TRUSTEE MAY REASONABLY REQUIRE TO CONFIRM THAT
     SUCH TRANSFER IS BEING MADE PURSUANT TO AN EXEMPTION FROM, OR IN A
     TRANSACTION NOT SUBJECT TO, THE REGISTRATION REQUIREMENTS OF THE SECURITIES
     ACT AND (4) AGREES THAT IT WILL DELIVER TO EACH PERSON TO WHOM THE NOTE
     EVIDENCED HEREBY IS TRANSFERRED A NOTICE SUBSTANTIALLY TO THE EFFECT OF
     THIS 



                                      -15-
<PAGE>   24

     LEGEND. IN CONNECTION WITH ANY TRANSFER OF THE NOTE EVIDENCED HEREBY PRIOR
     TO THE EXPIRATION OF THE HOLDING PERIOD APPLICABLE TO SALES OF THE NOTE
     EVIDENCED HEREBY UNDER RULE 144(K) UNDER THE SECURITIES ACT (OR ANY
     SUCCESSOR PROVISION), THE HOLDER MUST CHECK THE APPROPRIATE BOX SET FORTH
     ON THE REVERSE HEREOF RELATING TO THE MANNER OF SUCH TRANSFER AND SUBMIT
     THIS CERTIFICATE TO STATE STREET BANK AND TRUST COMPANY OF CALIFORNIA,
     N.A., AS TRUSTEE (OR A SUCCESSOR TRUSTEE, AS APPLICABLE). IF THE PROPOSED
     TRANSFEREE IS A PURCHASER WHO IS NOT A UNITED STATES PERSON OR AN
     INSTITUTIONAL ACCREDITED INVESTOR, THE HOLDER MUST, PRIOR TO SUCH TRANSFER,
     FURNISH TO STATE STREET BANK AND TRUST COMPANY OF CALIFORNIA, N.A., AS
     TRUSTEE (OR A SUCCESSOR TRUSTEE, AS APPLICABLE), SUCH CERTIFICATIONS, LEGAL
     OPINIONS OR OTHER INFORMATION AS IT MAY REASONABLY REQUIRE TO CONFIRM THAT
     SUCH TRANSFER IS BEING MADE PURSUANT TO AN EXEMPTION FROM, OR IN A
     TRANSACTION NOT SUBJECT TO, THE REGISTRATION REQUIREMENTS OF THE SECURITIES
     ACT. THIS LEGEND WILL BE REMOVED UPON THE EARLIER OF THE TRANSFER OF THE
     NOTE EVIDENCED HEREBY PURSUANT TO CLAUSE 2(E) ABOVE OR UPON ANY TRANSFER OF
     THE NOTE EVIDENCED HEREBY UNDER RULE 144(K) UNDER THE SECURITIES ACT (OR
     ANY SUCCESSOR PROVISION).

     Any Note (or security issued in exchange or substitution therefor) as to
which such restrictions on transfer shall have expired in accordance with their
terms or as to the conditions for removal of the foregoing legend set forth
therein have been satisfied may, upon surrender of such Note for exchange to the
Note registrar in accordance with the provisions of this Section 2.5, be
exchanged for a new Note or Notes, of like tenor and aggregate principal amount,
which shall not bear the restrictive legend required by this Section 2.5(d).

     Notwithstanding any other provisions of this Indenture (other than the
provisions set forth in the second paragraph of Section 2.5(b) and in this
Section 2.5(d)), a Note in global form may not be transferred as a whole or in
part except by the Depositary to a nominee of the Depositary or by a nominee of
the Depositary to the Depositary or another nominee of the Depositary or by the
Depositary or any such nominee to a successor Depositary or a nominee of such
successor Depositary.

     The Depositary shall be a clearing agency registered under the Exchange
Act. The Company initially appoints The Depository Trust Company to act as
Depositary with respect to the Notes in global form. Initially, the Global Note
shall be issued to the Depositary, registered in the name of Cede & Co., as the
nominee of the Depositary, and deposited with the Custodian for Cede & Co.

     If at any time the Depositary for a Note in global form notifies the
Company that it is 



                                      -16-
<PAGE>   25

unwilling or unable to continue as Depositary for such Note, the Company may
appoint a successor Depositary with respect to such Note. If a successor
Depositary is not appointed by the Company within ninety (90) days after the
Company receives such notice, the Company will execute, and the Trustee, upon
receipt of an Officers' Certificate for the authentication and delivery of
Notes, will authenticate and deliver, Notes in certificated form, in aggregate
principal amount equal to the principal amount of such Note in global form, in
exchange for such Note in global form.

     If a Note in certificated form is issued in exchange for any portion of a
Note in global form after the close of business at the office or agency where
such exchange occurs on any record date and before the opening of business at
such office or agency on the next succeeding interest payment date, interest
will not be payable on such interest payment date in respect of such Note, but
will be payable on such interest payment date, subject to the provisions of
Section 2.3, only to the person to whom interest in respect of such portion of
such Note in global form is payable in accordance with the provisions of this
Indenture.

     Notes in certificated form issued in exchange for all or a part of a Note
in global form pursuant to this Section 2.5 shall be registered in such names
and in such authorized denominations as the Depositary, pursuant to instructions
from its direct or indirect participants or otherwise, shall instruct the
Trustee. Upon execution and authentication, the Trustee shall deliver such Notes
in certificated form to the persons in whose names such Notes in certificated
form are so registered.

     At such time as all interests in a Note in global form have been redeemed,
converted, canceled, exchanged for Notes in certificated form, or transferred to
a transferee who receives Notes in certificated form thereof, such Note in
global form shall, upon receipt thereof, be canceled by the Trustee in
accordance with standing procedures and instructions existing between the
Depositary and the Custodian. At any time prior to such cancellation, if any
interest in a global Note is exchanged for Notes in certificated form, redeemed,
converted, repurchased or canceled, exchanged for Notes in certificated form or
transferred to a transferee who receives Notes in certificated form therefor or
any Note in certificated form is exchanged or transferred for part of a Note in
global form, the principal amount of such Note in global form shall, in
accordance with the standing procedures and instructions existing between the
Depositary and the Custodian, be appropriately reduced or increased, as the case
may be, and an endorsement shall be made on such Note in global form, by the
Trustee or the Custodian, at the direction of the Trustee, to reflect such
reduction or increase.

          (e) Until the expiration of the holding period applicable to sales
thereof under Rule 144(k) under the Securities Act (or any successor provision),
any stock certificate representing Common Stock issued upon conversion of such
Note shall bear a legend in substantially the following form, unless such Common
Stock has been sold pursuant to a registration statement that has been declared
effective under the Securities Act (and which continues to be effective at the
time of such transfer) or such Common Stock has been issued upon conversion of
Notes that have been transferred pursuant to a registration statement that has
been declared effective under the Securities Act, or unless otherwise agreed by
the Company in writing with written notice thereof to the transfer agent:



                                      -17-
<PAGE>   26

     THE COMMON STOCK EVIDENCED HEREBY HAS NOT BEEN REGISTERED UNDER THE U.S.
     SECURITIES ACT OF 1933, AS AMENDED (THE "SECURITIES ACT"), OR ANY STATE
     SECURITIES LAWS, AND, ACCORDINGLY, MAY NOT BE OFFERED OR SOLD WITHIN THE
     UNITED STATES OR TO, OR FOR THE ACCOUNT OR BENEFIT OF, U.S. PERSONS EXCEPT
     AS SET FORTH IN THE FOLLOWING SENTENCE. THE HOLDER HEREOF AGREES THAT UNTIL
     THE EXPIRATION OF THE HOLDING PERIOD APPLICABLE TO SALES OF THE SECURITY
     EVIDENCED HEREBY UNDER RULE 144(K) UNDER THE SECURITIES ACT (OR ANY
     SUCCESSOR PROVISION), (1) IT WILL NOT RESELL OR OTHERWISE TRANSFER THE
     COMMON STOCK EVIDENCED HEREBY WITHIN THE UNITED STATES OR TO, OR FOR THE
     ACCOUNT OR BENEFIT OF, U.S. PERSONS EXCEPT (A) TO ARBOR SOFTWARE
     CORPORATION OR ANY SUBSIDIARY THEREOF, (B) TO A "QUALIFIED INSTITUTIONAL
     BUYER" (AS DEFINED IN RULE 144A UNDER THE SECURITIES ACT) IN COMPLIANCE
     WITH RULE 144A, (C) TO AN INSTITUTIONAL "ACCREDITED INVESTOR" (AS DEFINED
     IN RULE 501(A)(1), (2), (3) OR (7) UNDER THE SECURITIES ACT) THAT PRIOR TO
     SUCH TRANSFER FURNISHES TO BOSTON EQUISERVE, L.P., AS TRANSFER AGENT (OR A
     SUCCESSOR TRANSFER AGENT, AS APPLICABLE), A SIGNED LETTER CONTAINING
     CERTAIN REPRE-SENTATIONS AND AGREEMENTS RELATING TO THE RESTRICTIONS ON
     TRANSFER OF THE COMMON STOCK EVIDENCED HEREBY (THE FORM OF WHICH LETTER CAN
     BE OBTAINED FROM SUCH TRANSFER AGENT OR A SUCCESSOR TRANSFER AGENT, AS
     APPLICABLE), (D) PURSUANT TO THE EXEMPTION FROM REGISTRATION PROVIDED BY
     RULE 144 UNDER THE SECURITIES ACT (IF AVAILABLE), OR(E) PURSUANT TO A
     REGISTRATION STATEMENT WHICH HAS BEEN DECLARED EFFECTIVE UNDER THE
     SECURITIES ACT (AND WHICH CONTINUES TO BE EFFECTIVE AT THE TIME OF SUCH
     TRANSFER); (2) PRIOR TO SUCH TRANSFER (OTHER THAN A TRANSFER PURSUANT TO
     CLAUSE 1(E) ABOVE), IT WILL FURNISH TO BOSTON EQUISERVE, L.P., AS TRANSFER
     AGENT (OR A SUCCESSOR TRANSFER AGENT, AS APPLICABLE), SUCH CERTIFICATIONS,
     LEGAL OPINIONS OR OTHER INFORMATION AS IT MAY REASONABLY REQUIRE TO CONFIRM
     THAT SUCH TRANSFER IS BEING MADE PURSUANT TO AN EXEMPTION FROM, OR IN A
     TRANSACTION NOT SUBJECT TO, THE REGISTRATION REQUIREMENTS OF THE SECURITIES
     ACT AND (3) IT WILL DELIVER TO EACH PERSON TO WHOM THE COMMON STOCK
     EVIDENCED HEREBY IS TRANSFERRED (OTHER THAN A TRANSFER PURSUANT TO CLAUSE
     1(E) 



                                      -18-
<PAGE>   27

     ABOVE) A NOTICE SUBSTANTIALLY TO THE EFFECT OF THIS LEGEND. THIS LEGEND
     WILL BE REMOVED UPON THE EARLIER OF THE TRANSFER OF THE COMMON STOCK
     EVIDENCED HEREBY PURSUANT TO CLAUSE 1(E) ABOVE OR UPON ANY TRANSFER OF THE
     COMMON STOCK EVIDENCED HEREBY AFTER THE EXPIRATION OF THE HOLDING PERIOD
     APPLICABLE TO SALES OF THE SECURITY EVIDENCED HEREBY UNDER RULE 144(K)
     UNDER THE SECURITIES ACT (OR ANY SUCCESSOR PROVISION).


     Any such Common Stock as to which such restrictions on transfer shall have
expired in accordance with their terms or as to which the conditions for removal
of the foregoing legend set forth therein have been satisfied may, upon
surrender of the certificates representing such shares of Common Stock for
exchange in accordance with the procedures of the transfer agent for the Common
Stock, be exchanged for a new certificate or certificates for a like number of
shares of Common Stock, which shall not bear the restrictive legend required by
this Section 2.5(e).

          (f) Any Note or Common Stock issued upon the conversion or exchange of
a Note that, prior to the expiration of the holding period applicable to sales
thereof under Rule 144(k) under the Securities Act (or any successor provision),
is purchased or owned by the Company or any Affiliate thereof may not be resold
by the Company or such Affiliate unless registered under the Securities Act or
resold pursuant to an exemption from the registration requirements of the
Securities Act in a transaction which results in such Notes or Common Stock, as
the case may be, no longer being "restricted securities" (as defined under Rule
144).

     SECTION II.6 MUTILATED, DESTROYED, LOST OR STOLEN NOTES. In case any Note
shall become mutilated or be destroyed, lost or stolen, the Company in its
discretion may execute, and upon its written request the Trustee or an
authenticating agent appointed by the Trustee shall authenticate and make
available for delivery, a new Note, bearing a number not contemporaneously
outstanding, in exchange and substitution for the mutilated Note, or in lieu of
and in substitution for the Note so destroyed, lost or stolen. In every case the
applicant for a substituted Note shall furnish to the Company, to the Trustee
and, if applicable, to such authenticating agent such security or indemnity as
may be required by them to save each of them harmless for any loss, liability,
cost or expense caused by or connected with such substitution, and, in every
case of destruction, loss or theft, the applicant shall also furnish to the
Company, to the Trustee and, if applicable, to such authenticating agent
evidence to their satisfaction of the destruction, loss or theft of such Note
and of the ownership thereof.

     Following receipt by the Trustee or such authenticating agent, as the case
may be, of satisfactory security or indemnity and evidence, as described in the
preceding paragraph, the Trustee or such authenticating agent may authenticate
any such substituted Note and make available for delivery such Note. Upon the
issuance of any substituted Note, the Company may require the payment of a sum
sufficient to cover any tax or other governmental charge that may be imposed in
relation thereto and any other expenses connected therewith. In case any Note
which has matured or is about to mature or has been called for redemption or has
been tendered for redemption (and not withdrawn) or is about to be converted
into Common Stock shall become mutilated or be destroyed, 



                                      -19-
<PAGE>   28

lost or stolen, the Company may, instead of issuing a substitute Note, pay or
authorize the payment of or convert or authorize the conversion of the same
(without surrender thereof except in the case of a mutilated Note), as the case
may be, if the applicant for such payment or conversion shall furnish to the
Company, to the Trustee and, if applicable, to such authenticating agent such
security or indemnity as may be required by them to save each of them harmless
for any loss, liability, cost or expense caused by or connected with such
substitution, and, in case of destruction, loss or theft, evidence satisfactory
to the Company, the Trustee and, if applicable, any paying agent or conversion
agent of the destruction, loss or theft of such Note and of the ownership
thereof.

     Every substitute Note issued pursuant to the provisions of this Section 2.6
by virtue of the fact that any Note is destroyed, lost or stolen shall
constitute an additional contractual obligation of the Company, whether or not
the destroyed, lost or stolen Note shall be found at any time, and shall be
entitled to all the benefits of (but shall be subject to all the limitations set
forth in) this Indenture equally and proportionately with any and all other
Notes duly issued hereunder. To the extent permitted by law, all Notes shall be
held and owned upon the express condition that the foregoing provisions are
exclusive with respect to the replacement or payment or conversion of mutilated,
destroyed, lost or stolen Notes and shall preclude any and all other rights or
remedies notwithstanding any law or statute existing or hereafter enacted to the
contrary with respect to the replacement or payment or conversion of negotiable
instruments or other securities without their surrender.

     SECTION II.7 TEMPORARY NOTES. Pending the preparation of Notes in
certificated form, the Company may execute and the Trustee or an authenticating
agent appointed by the Trustee shall, upon the written request of the Company,
authenticate and deliver temporary Notes (printed or lithographed). Temporary
Notes shall be issuable in any authorized denomination, and substantially in the
form of the Notes in certificated form, but with such omissions, insertions and
variations as may be appropriate for temporary Notes, all as may be determined
by the Company. Every such temporary Note shall be executed by the Company and
authenticated by the Trustee or such authenticating agent upon the same
conditions and in substantially the same manner, and with the same effect, as
the Notes in certificated form. Without unreasonable delay the Company will
execute and deliver to the Trustee or such authenticating agent Notes in
certificated form (other than in the case of Notes in global form) and thereupon
any or all temporary Notes (other than any such Note in global form) may be
surrendered in exchange therefor, at each office or agency maintained by the
Company pursuant to Section 5.2 and the Trustee or such authenticating agent
shall authenticate and make available for delivery in exchange for such
temporary Notes an equal aggregate principal amount of Notes in certificated
form. Such exchange shall be made by the Company at its own expense and without
any charge therefor. Until so exchanged, the temporary Notes shall in all
respects be entitled to the same benefits and subject to the same limitations
under this Indenture as Notes in certificated form authenticated and delivered
hereunder.

     SECTION II.8 CANCELLATION OF NOTES PAID, ETC. All Notes surrendered for the
purpose of payment, redemption, conversion, exchange or registration of
transfer, shall, if surrendered to the Company or any paying agent or any Note
registrar or any conversion agent, be surrendered to the 



                                      -20-
<PAGE>   29

Trustee and promptly canceled by it, or, if surrendered to the Trustee, shall be
promptly canceled by it, and no Notes shall be issued in lieu thereof except as
expressly permitted by any of the provisions of this Indenture. The Trustee
shall destroy such canceled Notes and provide a destruction certificate to the
Company unless otherwise directed by the Company. If the Company shall acquire
any of the Notes, such acquisition shall not operate as a redemption or
satisfaction of the indebtedness represented by such Notes unless and until the
same are delivered to the Trustee for cancellation.

     SECTION II.9 CUSIP NUMBERS. The Company in issuing the Notes shall use
"CUSIP" numbers (if then generally in use), and, if so, the Trustee shall use
"CUSIP" numbers in notices of redemption as a convenience to Noteholders;
provided that any such notice may state that no representation is made as to the
correctness of such numbers either as printed on the Notes or as contained in
any notice of a redemption and that reliance may be placed only on the other
identification numbers printed on the Notes, and any such redemption shall not
be affected by any defect in or omission of such numbers. The Company will
promptly notify the Trustee of any change in the CUSIP numbers.


                                   ARTICLE III

                               REDEMPTION OF NOTES

     SECTION III.1 REDEMPTION PRICES. The Company may not redeem the Notes prior
to March 20, 2001. At any time on or after March 20, 2001, the Company may, at
its option, redeem all or from time to time any part of the Notes on any date
prior to maturity, upon notice as set forth in Section 3.2, and at the optional
redemption prices set forth in the form of Note attached as Exhibit A hereto,
together with accrued interest to, but excluding, the date fixed for redemption.

     SECTION III.2 NOTICE OF REDEMPTION; SELECTION OF NOTES. In case the Company
shall desire to exercise the right to redeem all or, as the case may be, any
part of the Notes pursuant to Section 3.1, it shall fix a date for redemption
and it or, at its written request received by the Trustee not fewer than
forty-five (45) days prior (or such shorter period of time as may be acceptable
to the Trustee) to the date fixed for redemption, the Trustee in the name of and
at the expense of the Company, shall mail or cause to be mailed a notice of such
redemption at least thirty (30) days prior to the date fixed for redemption to
the holders of Notes so to be redeemed as a whole or in part at their last
addresses as the same appear on the Note register; provided that if the Company
shall give such notice, it shall also give written notice, and written notice of
the Notes to be redeemed, to the Trustee. Such mailing shall be by first class
mail. The notice if mailed in the manner herein provided shall be conclusively
presumed to have been duly given, whether or not the holder receives such
notice. In any case, failure to give such notice by mail or any defect in the
notice to the holder of any Note designated for redemption as a whole or in part
shall not affect the validity of the proceedings for the redemption of any other
Note.

     Each such notice of redemption shall specify the aggregate principal amount
of Notes to be 



                                      -21-
<PAGE>   30

redeemed, the CUSIP numbers or numbers of the Notes being redeemed, the date
fixed for redemption (which shall be a Business Day), the redemption price at
which Notes are to be redeemed, the place or places of payment, that payment
will be made upon presentation and surrender of such Notes, that interest
accrued to the date fixed for redemption will be paid as specified in said
notice, and that on and after said date interest thereon or on the portion
thereof to be redeemed will cease to accrue. Such notice shall also state the
current Conversion Price and the date on which the right to convert such Notes
or portions thereof into Common Stock will expire. If fewer than all the Notes
are to be redeemed, the notice of redemption shall identify the Notes to be
redeemed (including CUSIP numbers, if any). In case any Note is to be redeemed
in part only, the notice of redemption shall state the portion of the principal
amount thereof to be redeemed and shall state that on and after the date fixed
for redemption, upon surrender of such Note, a new Note or Notes in principal
amount equal to the unredeemed portion thereof will be issued.

     On or prior to the redemption date specified in the notice of redemption
given as provided in this Section 3.2, the Company will deposit with the Trustee
or with one or more paying agents (or, if the Company is acting as its own
paying agent, set aside, segregate and hold in trust as provided in Section 5.4)
an amount of money sufficient to redeem on the redemption date all the Notes (or
portions thereof) so called for redemption (other than those theretofore
surrendered for conversion into Common Stock) at the appropriate redemption
price, together with accrued interest to, but excluding, the date fixed for
redemption; provided that if such payment is made on the redemption date it must
be received by the Trustee or paying agent, as the case may be, by 10:00 a.m.
New York City time, on such date. If any Note called for redemption is converted
pursuant hereto, any money deposited with the Trustee or any paying agent or so
segregated and held in trust for the redemption of such Note shall be paid to
the Company upon its written request, or, if then held by the Company shall be
discharged from such trust. Whenever any Notes are to be redeemed, the Company
will give the Trustee written notice in the form of an Officers' Certificate not
fewer than forty-five (45) days (or such shorter period of time as may be
acceptable to the Trustee) prior to the redemption date as to the aggregate
principal amount of Notes to be redeemed.

     If fewer than all the Notes are to be redeemed, the Trustee shall select
the Notes or portions thereof of the Global Note or the Notes in certificated
form to be redeemed (in principal amounts of $1,000 or integral multiples
thereof), by lot, on a pro rata basis or by another method the Trustee deems
fair and appropriate. If any Note selected for partial redemption is converted
in part after such selection, the converted portion of such Note shall be deemed
(so far as may be) to be the portion to be selected for redemption. The Notes
(or portions thereof) so selected shall be deemed duly selected for redemption
for all purposes hereof, notwithstanding that any such Note is converted as a
whole or in part before the mailing of the notice of redemption.

     Upon any redemption of less than all Notes, the Company and the Trustee may
(but need not) treat as outstanding any Notes surrendered for conversion during
the period of fifteen (15) days next preceding the mailing of a notice of
redemption and may (but need not) treat as outstanding any Note authenticated
and delivered during such period in exchange for the unconverted portion of any
Note converted in part during such period.



                                      -22-
<PAGE>   31

     SECTION III.3 PAYMENT OF NOTES CALLED FOR REDEMPTION. If notice of
redemption has been given as above provided, the Notes or portion of Notes with
respect to which such notice has been given shall, unless converted into Common
Stock pursuant to the terms hereof, become due and payable on the date fixed for
redemption and at the place or places stated in such notice at the applicable
redemption price, together with interest accrued to (but excluding) the date
fixed for redemption, and on and after said date (unless the Company shall
default in the payment of such Notes at the redemption price, together with
interest accrued to said date), interest on the Notes or portion of Notes so
called for redemption shall cease to accrue and such Notes shall cease after the
close of business on the Business Day next preceding the date fixed for
redemption to be convertible into Common Stock and, except as provided in
Sections 8.5 and 13.4, to be entitled to any benefit or security under this
Indenture, and the holders thereof shall have no right in respect of such Notes
except the right to receive the redemption price thereof and unpaid interest to
(but excluding) the date fixed for redemption. On presentation and surrender of
such Notes at a place of payment in said notice specified, the said Notes or the
specified portions thereof shall be paid and redeemed by the Company at the
applicable redemption price, together with interest accrued thereon to (but
excluding) the date fixed for redemption; provided that, if the applicable
redemption date is an interest payment date, the semi-annual payment of interest
becoming due on such date shall be payable to the holders of such Notes
registered as such on the relevant record date instead of the holders
surrendering such Notes for redemption on such date.

     Upon presentation of any Note redeemed in part only, the Company shall
execute and the Trustee shall authenticate and make available for delivery to
the holder thereof, at the expense of the Company, a new Note or Notes, of
authorized denominations, in principal amount equal to the unredeemed portion of
the Notes so presented.

     Notwithstanding the foregoing, the Trustee shall not redeem any Notes or
mail any notice of optional redemption during the continuance of a default in
payment of interest or premium on the Notes or of any Event of Default of which,
in the case of any Event of Default other than under Sections 7.1 (a) or 7.1
(b), a Responsible Officer of the Trustee has knowledge. If any Note called for
redemption shall not be so paid upon surrender thereof for redemption, the
principal and premium, if any, shall, until paid or duly provided for, bear
interest from the date fixed for redemption at the rate borne by the Note and
such Note shall remain convertible into Common Stock until the principal and
premium, if any, shall have been paid or duly provided for.

     SECTION III.4 CONVERSION ARRANGEMENT ON CALL FOR REDEMPTION. In connection
with any redemption of Notes, the Company may arrange for the purchase and
conversion of any Notes by an agreement with one or more investment bankers or
other purchasers to purchase such Notes by paying to the Trustee in trust for
the Noteholders, on or before the date fixed for redemption, an amount not less
than the applicable redemption price, together with interest accrued to (but
excluding) the date fixed for redemption, of such Notes. Notwithstanding
anything to the contrary contained in this Article III, the obligation of the
Company to pay the redemption price of such Notes, together with interest
accrued to (but excluding) the date fixed for redemption, shall be 



                                      -23-
<PAGE>   32

deemed to be satisfied and discharged to the extent such amount is so paid by
such purchasers. If such an agreement is entered into, a copy of which will be
filed with the Trustee prior to the date fixed for redemption, any Notes not
duly surrendered for conversion by the holders thereof may, at the option of the
Company, be deemed, to the fullest extent permitted by law, acquired by such
purchasers from such holders and (notwithstanding anything to the contrary
contained in Article XV) surrendered by such purchasers for conversion, all as
of immediately prior to the close of business on the date fixed for redemption
(and the right to convert any such Notes shall be extended through such time),
subject to payment of the above amount as aforesaid. At the direction of the
Company, the Trustee shall hold and dispose of any such amount paid to it in the
same manner as it would monies deposited with it by the Company for the
redemption of Notes. Without the Trustee's prior written consent, no arrangement
between the Company and such purchasers for the purchase and conversion of any
Notes shall increase or otherwise affect any of the powers, duties,
responsibilities or obligations of the Trustee as set forth in this Indenture.

     SECTION III.5 REDEMPTION AT OPTION OF HOLDERS.

          (a) If there shall occur a Fundamental Change, then each Noteholder
shall have the right, at such holder's option, to require the Company to redeem
all of such holder's Notes, or any portion thereof that is an integral multiple
of $1,000 principal amount, on the date (the "Repurchase Date") that is thirty
(30) days after the date of the Company Notice (as defined in Section 3.5(b)
below) of such Fundamental Change (or, if such 30th day is not a Business Day,
the next succeeding Business Day). Such repayment shall be made at 104.500% from
the date of initial issuance of the Notes until March 14, 1999; 103.857% from
March 15, 1999 until March 14, 2000; 103.214% from March 15, 2000 until March
19, 2001; 102.571% from March 20, 2001 until March 14, 2002 and thereafter at
the following prices (expressed as percentages of the principal amount) in the
event of a Fundamental Change occurring during the twelve (12) month period
beginning March 15:

<TABLE>
<CAPTION>

YEAR                                                            REDEMPTION PRICE
- ----                                                            ----------------
<S>                                                             <C>     
2002..................................................              101.929%
2003..................................................              101.286
2004..................................................              100.643
</TABLE>

and 100% at March 15, 2005; provided that, if the Applicable Price with respect
to the Fundamental Change is less than the Reference Market Price, the Company
shall redeem such Notes at a price equal to the foregoing redemption price
multiplied by the fraction obtained by dividing the Applicable Price by the
Reference Market Price. In each case, the Company shall also pay to such holders
accrued interest on the redeemed Notes to, but excluding, the Repurchase Date;
provided that, if such Repurchase Date is March 15 or September 15, then the
interest payable on such date shall be paid to the holders of record of the
Notes on the next preceding March 1 or September 1, respectively.

          Upon presentation of any Note redeemed in part only, the Company shall
execute and, 



                                      -24-
<PAGE>   33

upon the Company's written direction to the Trustee, the Trustee shall
authenticate and deliver to the holder thereof, at the expense of the Company, a
new Note or Notes, of authorized denominations, in principal amount equal to the
unredeemed portion of the Notes so presented.

          (b) On or before the tenth day after the occurrence of a Fundamental
Change, the Company, or, at its written request (which must be received by the
Trustee at least five (5) Business Days prior to the date the Trustee is
requested to give notice as described below), the Trustee in the name of and at
the expense of the Company, shall mail or cause to be mailed to all holders of
record on the date of the Fundamental Change a notice (the "Company Notice") of
the occurrence of such Fundamental Change and of the redemption right at the
option of the holders arising as a result thereof. Such notice shall be mailed
in the manner and with the effect set forth in the first paragraph of Section
3.2. The Company shall also deliver a copy of the Company Notice to the Trustee
at such time as it is mailed to Noteholders. 

     Each Company Notice shall specify the circumstances constituting the
Fundamental Change, the Repurchase Date, the price at which the Company shall be
obligated to redeem Notes, that the holder must exercise the redemption right on
or prior to the close of business on the Repurchase Date (the "Fundamental
Change Expiration Time"), that the holder shall have the right to withdraw any
Notes surrendered prior to the Fundamental Change Expiration Time, a description
of the procedure which a Noteholder must follow to exercise such redemption
right and to withdraw any surrendered Notes, the place or places where the
holder is to surrender such holder's Notes, and the amount of interest accrued
on each Note to the Repurchase Date.

     No failure of the Company to give the foregoing notices and no defect
therein shall limit the Noteholders' redemption rights or affect the validity of
the proceedings for the repurchase of the Notes pursuant to this Section 3.5.

          (c) For a Note to be so repaid at the option of the holder, the
Company must receive at the office or agency of the Company maintained for that
purpose or, at the option of such holder, the Corporate Trust Office, such Note
with the form entitled "Option to Elect Repayment Upon A Fundamental Change" on
the reverse thereof duly completed, together with such Notes duly endorsed for
transfer, on or before the Fundamental Change Expiration Time. All questions as
to the validity, eligibility (including time of receipt) and acceptance of any
Note for repayment shall be determined by the Company, whose determination shall
be final and binding absent manifest error.

          (d) On or prior to the Repurchase Date, the Company will deposit with
the Trustee or with one or more paying agents (or, if the Company is acting as
its own paying agent, set aside, segregate and hold in trust as provided in
Section 5.4) an amount of money sufficient to repay on the Repurchase Date all
the Notes to be repaid on such date at the appropriate redemption price,
together with accrued interest to (but excluding) the Repurchase Date; provided
that if such payment is made on the Repurchase Date it must be received by the
Trustee or paying agent, as the case may be, by 10:00 a.m. New York City time,
on such date. Payment for Notes surrendered for redemption (and not withdrawn)
prior to the Fundamental Change Expiration Time will be made promptly (but in no
event more than five (5) Business Days) following the Repurchase Date by mailing
checks for 



                                      -25-
<PAGE>   34

the amount payable to the holders of such Notes entitled thereto as they shall
appear on the registry books of the Company.

          (e) In the case of a reclassification, change, consolidation, merger,
combination, sale or conveyance to which Section 15.6 applies, in which the
Common Stock of the Company is changed or exchanged as a result into the right
to receive stock, securities or other property or assets (including cash), which
includes shares of Common Stock of the Company or another person that are, or
upon issuance will be, traded on a United States national securities exchange or
approved for trading on an established automated over-the-counter trading market
in the United States and such shares constitute at the time such change or
exchange becomes effective in excess of 50% of the aggregate fair market value
of such stock, securities or other property or assets (including cash) (as
determined by the Company, which determination shall be conclusive and binding),
then the Person formed by such consolidation or resulting from such merger or
which acquires such assets, as the case may be, shall execute and deliver to the
Trustee a supplemental indenture (accompanied by an Opinion of Counsel that such
supplemental indenture complies with the Trust Indenture Act as in force at the
date of execution of such supplemental indenture) modifying the provisions of
this Indenture relating to the right of holders of the Notes to cause the
Company to repurchase the Notes following a Fundamental Change, including
without limitation the applicable provisions of this Section 3.5 and the
definitions of the Applicable Price, Common Stock, Fundamental Change and
Reference Market Price, as appropriate, as determined in good faith by the
Company (which determination shall be conclusive and binding), to make such
provisions apply to the common stock and the issuer thereof if different from
the Company and Common Stock of the Company (in lieu of the Company and the
Common Stock of the Company).

          (f) The Company will comply with the provisions of Rule 13e-4 and any
other tender offer rules under the Exchange Act to the extent then applicable in
connection with the redemption rights of the holders of Notes in the event of a
Fundamental Change.


                                   ARTICLE IV

                             SUBORDINATION OF NOTES

     SECTION IV.1 AGREEMENT OF SUBORDINATION. The Company covenants and agrees,
and each holder of Notes issued hereunder by its acceptance thereof likewise
covenants and agrees, that all Notes shall be issued subject to the provisions
of this Article IV; and each Person holding any Note, whether upon original
issue or upon transfer, assignment or exchange thereof, accepts and agrees to be
bound by such provisions.

     The payment of the principal of, premium, if any, and interest (including
Liquidated Damages, if any) on all Notes (including, but not limited to, the
redemption price with respect to the Notes called for redemption in accordance
with Section 3.2 or submitted for redemption in accordance with Section 3.5, as
the case may be, as provided in the Indenture) issued hereunder 



                                      -26-
<PAGE>   35

shall, to the extent and in the manner hereinafter set forth, be subordinated
and subject in right of payment to the prior payment in full of all Senior
Indebtedness, whether outstanding at the date of this Indenture or thereafter
incurred.

     No provision of this Article IV shall prevent the occurrence of any default
or Event of Default hereunder.

     SECTION IV.2 PAYMENTS TO NOTEHOLDERS. No payment shall be made with respect
to the principal of, premium, if any, or interest (including Liquidated Damages,
if any) on the Notes (including, but not limited to, the redemption price with
respect to the Notes to be called for redemption in accordance with Section 3.2
or submitted for redemption in accordance with Section 3.5, as the case may be,
as provided in this Indenture), except payments and distributions made by the
Trustee as permitted by the first or second paragraph of Section 4.5, if:

               (i) a default in the payment of principal, premium, if any,
interest, rent or other obligations in respect of Senior Indebtedness occurs and
is continuing (or, in the case of Senior Indebtedness for which there is a
period of grace, in the event of such a default that continues beyond the period
of grace, if any, specified in the instrument or lease evidencing such Senior
Indebtedness) (a "Payment Default"), unless and until such Payment Default shall
have been cured or waived or shall have ceased to exist; or

               (ii) a default, other than a Payment Default, on any Designated
Senior Indebtedness occurs and is continuing that then permits holders of such
Designated Senior Indebtedness to accelerate its maturity and the Trustee
receives a notice of the default (a "Payment Blockage Notice") from a holder of
Designated Senior Indebtedness, a Representative of Designated Senior
Indebtedness or the Company (a "Non-Payment Default").

     If the Trustee receives any Payment Blockage Notice pursuant to clause (ii)
above, no subsequent Payment Blockage Notice shall be effective for purposes of
this Section 4.2 unless and until (A) at least 365 days shall have elapsed since
the initial effectiveness of the immediately prior Payment Blockage Notice and
(B) all scheduled payments of principal, premium, if any, and interest
(including Liquidated Damages, if any) on the Notes that have come due have been
paid in full in cash. No Non-Payment Default that existed or was continuing on
the date of delivery of any Payment Blockage Notice to the Trustee shall be, or
be made, the basis for a subsequent Payment Blockage Notice.

     The Company may and shall resume payments on and distributions in respect
of the Notes upon the earlier of:

          (1)  the date upon which any such Payment Default is cured or
               waived or ceases to exist, or

          (2)  in the case of a Non-Payment Default, the earlier of (a) the date
               upon which 



                                      -27-
<PAGE>   36

               such default is cured or waived or ceases to exist or (b) 179
               days after notice is received if the maturity of such Designated
               Senior Indebtedness has not been accelerated,

unless this Article IV otherwise prohibits the payment or distribution at the
time of such payment or distribution.

     Upon any payment by the Company, or distribution of assets of the Company
of any kind or character, whether in cash, property or securities, to creditors
upon any dissolution or winding up or liquidation or reorganization of the
Company, whether voluntary or involuntary or in bankruptcy, insolvency,
receivership or other proceedings, all amounts due or to become due upon all
Senior Indebtedness shall first be paid in full in cash or other payment
satisfactory to the holders of such Senior Indebtedness, or payment thereof in
accordance with its terms provided for in cash or other payment satisfactory to
the holders of such Senior Indebtedness before any payment is made on account of
the principal of, premium, if any, or interest (including Liquidated Damages, if
any) on the Notes (except payments made pursuant to Article XIII from monies
deposited with the Trustee pursuant thereto prior to commencement of proceedings
for such dissolution, winding up, liquidation or reorganization); and upon any
such dissolution or winding up or liquidation or reorganization of the Company
or bankruptcy, insolvency, receivership or other proceeding, any payment by the
Company, or distribution of assets of the Company of any kind or character,
whether in cash, property or securities, to which the holders of the Notes or
the Trustee would be entitled, except for the provision of this Article IV,
shall (except as aforesaid) be paid by the Company or by any receiver, trustee
in bankruptcy, liquidating trustee, agent or other Person making such payment or
distribution, or by the holders of the Notes or by the Trustee under this
Indenture if received by them or it, directly to the holders of Senior
Indebtedness (pro rata to such holders on the basis of the respective amounts of
Senior Indebtedness held by such holders, or as otherwise required by law or a
court order) or their Representative or Representatives, or to the trustee or
trustees under any indenture pursuant to which any instruments evidencing any
Senior Indebtedness may have been issued, as their respective interests may
appear, to the extent necessary to pay all Senior Indebtedness in full, in cash
or other payment satisfactory to the holders of such Senior Indebtedness, after
giving effect to any concurrent payment or distribution to or for the holders of
Senior Indebtedness, before any payment or distribution is made to the holders
of the Notes or to the Trustee.

     For purposes of this Article IV, the words, "cash, property or securities"
shall not be deemed to include shares of stock of the Company as reorganized or
readjusted, or securities of the Company or any other corporation provided for
by a plan of reorganization or readjustment, the payment of which is
subordinated at least to the extent provided in this Article IV with respect to
the Notes to the payment of all Senior Indebtedness which may at the time be
outstanding; provided that (i) the Senior Indebtedness is assumed by the new
corporation, if any, resulting from any reorganization or readjustment, and (ii)
the rights of the holders of Senior Indebtedness (other than leases which are
not assumed by the Company or the new corporation, as the case may be) are not,
without the consent of such holders, altered by such reorganization or
readjustment. The consolidation of the Company with, or the merger of the
Company into, another corporation or the liquidation or 



                                      -28-
<PAGE>   37

dissolution of the Company following the conveyance or transfer of its property
as an entirety, or substantially as an entirety, to another corporation upon the
terms and conditions provided for in Article XII shall not be deemed a
dissolution, winding-up, liquidation or reorganization for the purposes of this
Section 4.2 if such other corporation shall, as a part of such consolidation,
merger, conveyance or transfer, comply with the conditions stated in Article
XII.

     In the event of the acceleration of the Notes because of an Event of
Default, no payment or distribution shall be made to the Trustee or any holder
of Notes in respect of the principal of, premium, if any, or interest (including
Liquidated Damages, if any) on the Notes (including, but not limited to, the
redemption price with respect to the Notes called for redemption in accordance
with Section 3.2 or submitted for redemption in accordance with Section 3.5, as
the case may be, as provided in the Indenture), except payments and
distributions made by the Trustee as permitted by the first or second paragraph
of Section 4.5, until all Senior Indebtedness has been paid in full in cash or
other payment satisfactory to the holders of Senior Indebtedness or such
acceleration is rescinded in accordance with the terms of this Indenture. If
payment of the Notes is accelerated because of an Event of Default, the Company
shall promptly notify holders of Senior Indebtedness of the acceleration.

     In the event that, notwithstanding the foregoing provisions, any payment or
distribution of assets of the Company of any kind or character, whether in cash,
property or securities (including, without limitation, by way of setoff or
otherwise), prohibited by the foregoing provisions in this Section 4.2, shall be
received by the Trustee or the holders of the Notes before all Senior
Indebtedness is paid in full in cash or other payment satisfactory to the
holders of such Senior Indebtedness, or provision is made for such payment
thereof in accordance with its terms in cash or other payment satisfactory to
the holders of such Senior Indebtedness, such payment or distribution shall be
held in trust for the benefit of and shall be paid over or delivered to the
holders of Senior Indebtedness or their Representative or Representatives, or to
the trustee or trustees under any indenture pursuant to which any instruments
evidencing any Senior Indebtedness may have been issued, as their respective
interests may appear, as calculated by the Company, for application to the
payment of any Senior Indebtedness remaining unpaid to the extent necessary to
pay all Senior Indebtedness in full in cash or other payment satisfactory to the
holders of such Senior Indebtedness, after giving effect to any concurrent
payment or distribution to or for the holders of such Senior Indebtedness.

     Nothing in this Section 4.2 shall apply to claims of, or payments to, the
Trustee under or pursuant to Section 8.6. This Section 4.2 shall be subject to
the further provisions of Section 4.5.

     SECTION IV.3 SUBROGATION OF NOTES. Subject to the payment in full of all
Senior Indebtedness, the rights of the holders of the Notes shall be subrogated
to the extent of the payments or distributions made to the holders of such
Senior Indebtedness pursuant to the provisions of this Article IV (equally and
ratably with the holders of all indebtedness of the Company which by its express
terms is subordinated to other indebtedness of the Company to substantially the
same extent as the Notes are subordinated and is entitled to like rights of
subrogation) to the rights of the holders 



                                      -29-
<PAGE>   38

of Senior Indebtedness to receive payments or distributions of cash, property or
securities of the Company applicable to the Senior Indebtedness until the
principal, premium, if any, and interest (including Liquidated Damages, if any)
on the Notes shall be paid in full; and, for the purposes of such subrogation,
no payments or distributions to the holders of the Senior Indebtedness of any
cash, property or securities to which the holders of the Notes or the Trustee
would be entitled except for the provisions of this Article IV, and no payment
over pursuant to the provisions of this Article IV, to or for the benefit of the
holders of Senior Indebtedness by holders of the Notes or the Trustee, shall, as
between the Company, its creditors other than holders of Senior Indebtedness,
and the holders of the Notes, be deemed to be a payment by the Company to or on
account of the Senior Indebtedness; and no payments or distributions of cash,
property or securities to or for the benefit of the holders of the Notes
pursuant to the subrogation provisions of this Article IV, which would otherwise
have been paid to the holders of Senior Indebtedness shall be deemed to be a
payment by the Company to or for the account of the Notes. It is understood that
the provisions of this Article IV are and are intended solely for the purposes
of defining the relative rights of the holders of the Notes, on the one hand,
and the holders of the Senior Indebtedness, on the other hand.

     Nothing contained in this Article IV or elsewhere in this Indenture or in
the Notes is intended to or shall impair, as among the Company, its creditors
other than the holders of Senior Indebtedness, and the holders of the Notes, the
obligation of the Company, which is absolute and unconditional, to pay to the
holders of the Notes the principal of, premium, if any, and interest (including
Liquidated Damages, if any) on the Notes as and when the same shall become due
and payable in accordance with their terms, or is intended to or shall affect
the relative rights of the holders of the Notes and creditors of the Company
other than the holders of the Senior Indebtedness, nor shall anything herein or
therein prevent the Trustee or the holder of any Note from exercising all
remedies otherwise permitted by applicable law upon default under this
Indenture, subject to the rights, if any, under this Article IV of the holders
of Senior Indebtedness in respect of cash, property or securities of the Company
received upon the exercise of any such remedy.

     Upon any payment or distribution of assets of the Company referred to in
this Article IV, the Trustee, subject to the provisions of Section 8.1, and the
holders of the Notes shall be entitled to rely upon any order or decree made by
any court of competent jurisdiction in which such bankruptcy, dissolution,
winding up, liquidation or reorganization proceedings are pending, or a
certificate of the receiver, trustee in bankruptcy, liquidating trustee, agent
or other person making such payment or distribution, delivered to the Trustee or
to the holders of the Notes, for the purpose of ascertaining the persons
entitled to participate in such distribution, the holders of the Senior
Indebtedness and other indebtedness of the Company, the amount thereof or
payable thereon and all other facts pertinent thereto or to this Article IV.

     SECTION IV.4 AUTHORIZATION TO EFFECT SUBORDINATION. Each holder of a Note
by the holder's acceptance thereof authorizes and directs the Trustee on the
holder's behalf to take such action as may be necessary or appropriate to
effectuate the subordination as provided in this Article IV and appoints the
Trustee to act as the holder's attorney-in-fact for any and all such purposes.
If the Trustee does not file a proper proof of claim or proof of debt in the
form required in 



                                      -30-
<PAGE>   39

any proceeding referred to in the third paragraph of Section 7.2 hereof at least
thirty (30) days before the expiration of the time to file such claim, the
holders of any Senior Indebtedness or their representatives are hereby
authorized to file an appropriate claim for and on behalf of the holders of the
Notes.

     SECTION IV.5 NOTICE TO TRUSTEE. The Company shall give prompt written
notice in the form of an Officers' Certificate to a Responsible Officer of the
Trustee and to any paying agent of any fact known to the Company which would
prohibit the making of any payment of monies to or by the Trustee or any paying
agent in respect of the Notes pursuant to the provisions of this Article IV.
Notwithstanding the provisions of this Article IV or any other provision of this
Indenture, the Trustee shall not be charged with knowledge of the existence of
any facts which would prohibit the making of any payment of monies to or by the
Trustee in respect of the Notes pursuant to the provisions of this Article IV,
unless and until a Responsible Officer of the Trustee shall have received
written notice thereof at the Corporate Trust Office from the Company (in the
form of an Officers' Certificate) or a Representative or a holder or holders of
Senior Indebtedness or from any trustee thereof; and before the receipt of any
such written notice, the Trustee, subject to the provisions of Section 8.1,
shall be entitled in all respects to assume that no such facts exist; provided
that if on a date not less than two Business Days prior to the date upon which
by the terms hereof any such monies may become payable for any purpose
(including, without limitation, the payment of the principal of, or premium, if
any, or interest (including Liquidated Damages, if any) on any Note) the Trustee
shall not have received, with respect to such monies, the notice provided for in
this Section 4.5, then, anything herein contained to the contrary
notwithstanding, the Trustee shall have full power and authority to apply moneys
received to the purpose for which they were received, and shall not be affected
by any notice to the contrary which may be received by it on or after such prior
date.

     Notwithstanding anything in this Article IV to the contrary, nothing shall
prevent any payment by the Trustee to the Noteholders of monies deposited with
it pursuant to Section 13.1, and any such payment shall not be subject to the
provisions of Section 4.1 or 4.2.

     The Trustee, subject to the provisions of Section 8.1, shall be entitled to
rely on the delivery to it of a written notice by a Representative or a person
representing himself to be a holder of Senior Indebtedness (or a trustee on
behalf of such holder) to establish that such notice has been given by a
Representative or a holder of Senior Indebtedness or a trustee on behalf of any
such holder or holders. The Trustee shall not be required to make any payment or
distribution to or on behalf of a holder of Senior Indebtedness pursuant to this
Article IV unless it has received satisfactory evidence as to the amount of
Senior Indebtedness held by such person, the extent to which such person is
entitled to participate in such payment or distribution and any other facts
pertinent to the rights of such person under this Article IV.

     SECTION IV.6 TRUSTEE'S RELATION TO SENIOR INDEBTEDNESS. The Trustee in its
individual capacity shall be entitled to all the rights set forth in this
Article IV in respect of any Senior Indebtedness at any time held by it, to the
same extent as any other holder of Senior Indebtedness, 



                                      -31-
<PAGE>   40

and nothing in Section 8.13 or elsewhere in this Indenture shall deprive the
Trustee of any of its rights as such holder.

     With respect to the holders of Senior Indebtedness, the Trustee undertakes
to perform or to observe only such of its covenants and obligations as are
specifically set forth in this Article IV, and no implied covenants or
obligations with respect to the holders of Senior Indebtedness shall be read
into this Indenture against the Trustee. The Trustee shall not be deemed to owe
any fiduciary duty to the holders of Senior Indebtedness and, subject to the
provisions of Section 8.1, the Trustee shall not be liable to any holder of
Senior Indebtedness (i) for any failure to make any payments or distributions to
such holder or (ii) if it shall pay over or deliver to holders of Notes, the
Company or any other person money or assets to which any holder of Senior
Indebtedness shall be entitled by virtue of this Article IV or otherwise.

     SECTION IV.7 NO IMPAIRMENT OF SUBORDINATION. No right of any present or
future holder of any Senior Indebtedness to enforce subordination as herein
provided shall at any time in any way be prejudiced or impaired by any act or
failure to act on the part of the Company or by any act or failure to act, in
good faith, by any such holder, or by any noncompliance by the Company with the
terms, provisions and covenants of this Indenture, regardless of any knowledge
thereof which any such holder may have or otherwise be charged with.

     SECTION IV.8 CERTAIN CONVERSIONS NOT DEEMED PAYMENT. For the purposes of
this Article IV only, (1) the issuance and delivery of junior securities upon
conversion of Notes in accordance with Article XV shall not be deemed to
constitute a payment or distribution on account of the principal of, premium, if
any, or interest (including Liquidated Damages, if any) on Notes or on account
of the purchase or other acquisition of Notes, and (2) the payment, issuance or
delivery of cash (except in satisfaction of fractional shares pursuant to
Section 15.3), property or securities (other than junior securities) upon
conversion of a Note shall be deemed to constitute payment on account of the
principal of, premium, if any, or interest (including Liquidated Damages, if
any) on such Note. For the purposes of this Section 4.8, the term "junior
securities" means (a) shares of any stock of any class of the Company or (b)
securities of the Company that are subordinated in right of payment to all
Senior Indebtedness that may be outstanding at the time of issuance or delivery
of such securities to substantially the same extent as, or to a greater extent
than, the Notes are so subordinated as provided in this Article. Nothing
contained in this Article IV or elsewhere in this Indenture or in the Notes is
intended to or shall impair, as among the Company, its creditors (other than
holders of Senior Indebtedness) and the Noteholders, the right, which is
absolute and unconditional, of the Holder of any Note to convert such Note in
accordance with Article XV.

     SECTION IV.9 ARTICLE APPLICABLE TO PAYING AGENTS. If at any time any paying
agent other than the Trustee shall have been appointed by the Company and be
then acting hereunder, the term "Trustee" as used in this Article shall (unless
the context otherwise requires) be construed as extending to and including such
paying agent within its meaning as fully for all intents and purposes as if such
paying agent were named in this Article in addition to or in place of the
Trustee; provided, however, that the first paragraph of Section 4.5 shall not
apply to the Company or any Affiliate of the 



                                      -32-
<PAGE>   41

Company if it or such Affiliate acts as paying agent.

     The Trustee shall not be responsible for the actions or inactions of any
other paying agents (including the Company if acting as its own paying agent)
and shall have no control of any funds held by such other paying agents.

     SECTION IV.10 SENIOR INDEBTEDNESS ENTITLED TO RELY. The holders of Senior
Indebtedness (including, without limitation, Designated Senior Indebtedness)
shall have the right to rely upon this Article IV, and no amendment or
modification of the provisions contained herein shall diminish the rights of
such holders unless such holders shall have agreed in writing thereto.

     SECTION IV.11 RELIANCE ON JUDICIAL ORDER OR CERTIFICATE OF LIQUIDATING
AGENT. Upon any payment or distribution of assets of the Company referred to in
this Article, the Trustee and the Noteholders shall be entitled to rely upon any
order or decree entered by any court of competent jurisdiction in which such
insolvency, bankruptcy, receivership, liquidation, reorganization, dissolution,
winding up or similar case or proceeding is pending, or a certificate of the
trustee in bankruptcy, liquidating trustee, custodian, receiver, assignee for
the benefit of creditors, agent or other person making such payment or
distribution, delivered to the Trustee or to the Noteholders, for the purpose of
ascertaining the persons entitled to participate in such payment or
distribution, the holders of Senior Indebtedness and other indebtedness of the
Company, the amount thereof or payable thereon, the amount or amounts paid or
distributed thereon and all other facts pertinent thereto or to this Article.


                                    ARTICLE V

                       PARTICULAR COVENANTS OF THE COMPANY

     SECTION V.1 PAYMENT OF PRINCIPAL, PREMIUM AND INTEREST. The Company
covenants and agrees that it will duly and punctually pay or cause to be paid
the principal of and premium, if any (including upon redemption pursuant to
Article III), and interest (including Liquidated Damages, if any) on each of the
Notes at the places, at the respective times and in the manner provided herein
and in the Notes. Each installment of interest on the Notes due on any
semi-annual interest payment date may be paid either (i) by check mailed to the
address of the person entitled thereto as it appears in the Note register;
provided that the holder of Notes with an aggregate principal amount in excess
of $2,000,000 shall, at the written election of such holder, be paid by wire
transfer in immediately available funds; or (ii) by transfer to an account
maintained by such person located in the United States; provided, however, that
payments to the Depositary will be made by wire transfer of immediately
available funds to the account of the Depositary or its nominee.

     SECTION V.2 MAINTENANCE OF OFFICE OR AGENCY. The Company will maintain an
office or agency in The Borough of Manhattan, The City of New York, an office or
agency where the Notes may be surrendered for registration of transfer or
exchange or for presentation for payment or for 



                                      -33-
<PAGE>   42

conversion or redemption and where notices and demands to or upon the Company in
respect of the Notes and this Indenture may be served. The Company will give
prompt written notice to the Trustee of the location, and any change in the
location, of such office or agency not designated or appointed by the Trustee.
If at any time the Company shall fail to maintain any such required office or
agency or shall fail to furnish the Trustee with the address thereof, such
presentations, surrenders, notices and demands may be made or served at the
Corporate Trust Office or the office or agency of the Trustee or an Affiliate of
the Trustee in The Borough of Manhattan, The City of New York (which shall
initially be State Street Bank and Trust Company, N.A., an affiliate of the
Trustee located at 61 Broadway, 15th Floor, Corporate Trust Window, New York,
New York 10006).

     The Company may also from time to time designate co-registrars and one or
more other offices or agencies where the Notes may be presented or surrendered
for any or all such purposes and may from time to time rescind such
designations. The Company will give prompt written notice to any such
designation or rescission and of any change in the location of any such other
office or agency.

     The Company hereby initially designates the Trustee as paying agent, Note
registrar, Custodian and conversion agent and each of the Corporate Trust Office
of the Trustee and the office or agency of the Trustee in The Borough of
Manhattan, The City of New York (which shall initially be State Street Bank and
Trust Company, N.A., an Affiliate of the Trustee located at 61 Broadway, 15th
Floor, Corporate Trust Window, New York, New York 10006), shall be considered as
one such office or agency of the Company for each of the aforesaid purposes.

     So long as the Trustee is the Note registrar, the Trustee agrees to mail,
or cause to be mailed, the notices set forth in Section 8.10(a) and the third
paragraph of Section 8.11. If co-registrars have been appointed in accordance
with this Section, the Trustee shall mail such notices only to the Company and
the holders of Notes it can identify from its records.

     SECTION V.3 APPOINTMENTS TO FILL VACANCIES IN TRUSTEE'S OFFICE. The
Company, whenever necessary to avoid or fill a vacancy in the office of Trustee,
will appoint, in the manner provided in Section 8.10, a Trustee, so that there
shall at all times be a Trustee hereunder.

     SECTION V.4 PROVISIONS AS TO PAYING AGENT.

          (a) If the Company shall appoint a paying agent other than the
Trustee, or if the Trustee shall appoint such a paying agent, it will cause such
paying agent to execute and deliver to the Trustee an instrument in which such
agent shall agree with the Trustee, subject to the provisions of this Section
5.4:

               (1) that it will hold all sums held by it as such agent for the
payment of the principal of and premium, if any, or interest on the Notes
(whether such sums have been paid to it by the Company or by any other obligor
on the Notes) in trust for the benefit of the holders of the Notes;



                                      -34-
<PAGE>   43

               (2) that it will give the Trustee notice of any failure by the
Company (or by any other obligor on the Notes) to make any payment of the
principal of and premium, if any, or interest on the Notes when the same shall
be due and payable; and

               (3) that at any time during the continuance of an Event of
Default, upon request of the Trustee, it will forthwith pay to the Trustee all
sums so held in trust.

     The Company shall, on or before each due date of the principal of, premium,
if any, or interest on the Notes, deposit with the paying agent a sum sufficient
to pay such principal, premium, if any, or interest, and (unless such paying
agent is the Trustee) the Company will promptly notify the Trustee of any
failure to take such action; provided that if such deposit is made on the due
date, such deposit shall be received by the paying agent by 10:00 a.m. New York
City time, on such date.

          (b) If the Company shall act as its own paying agent, it will, on or
before each due date of the principal of, premium, if any, or interest
(including Liquidated Damages, if any) on the Notes, set aside, segregate and
hold in trust for the benefit of the holders of the Notes a sum sufficient to
pay such principal, premium, if any, or interest (including Liquidated Damages,
if any) so becoming due and will notify the Trustee of any failure to take such
action and of any failure by the Company (or any other obligor under the Notes)
to make any payment of the principal of, premium, if any, or interest (including
Liquidated Damages, if any) on the Notes when the same shall become due and
payable.

          (c) Anything in this Section 5.4 to the contrary notwithstanding, the
Company may, at any time, for the purpose of obtaining a satisfaction and
discharge of this Indenture, or for any other reason, pay or cause to be paid to
the Trustee all sums held in trust by the Company or any paying agent hereunder
as required by this Section 5.4, such sums to be held by the Trustee upon the
trusts herein contained and upon such payment by the Company or any paying agent
to the Trustee, the Company or such paying agent shall be released from all
further liability with respect to such sums.

          (d) Anything in this Section 5.4 to the contrary notwithstanding, the
agreement to hold sums in trust as provided in this Section 5.4 is subject to
Sections 13.3 and 13.4.

     The Trustee shall not be responsible for the actions of any other paying
agents (including the Company if acting as its own paying agent) and shall have
no control of any funds held by such other paying agents.

     SECTION V.5 EXISTENCE. Subject to Article XII, the Company will do or cause
to be done all things necessary to preserve and keep in full force and effect
its existence and rights (charter and statutory); provided, however, that the
Company shall not be required to preserve any such right if the Company shall
determine that the preservation thereof is no longer desirable in the conduct of
the business of the Company and that the loss thereof is not disadvantageous in
any material respect to 



                                      -35-
<PAGE>   44

the holders.

     SECTION V.6 MAINTENANCE OF PROPERTIES. The Company will cause all
properties used or useful in the conduct of its business or the business of any
Significant Subsidiary to be maintained and kept in good condition, repair and
working order and supplied with all necessary equipment and will cause to be
made all necessary repairs, renewals, replacements, betterments and improvements
thereof, all as in the judgment of the Company may be necessary so that the
business carried on in connection therewith may be properly and advantageously
conducted at all times; provided, however, that nothing in this Section shall
prevent the Company from discontinuing the operation or maintenance of any of
such properties if such discontinuance is, in the judgment of the Company,
desirable in the conduct of its business or the business of any Subsidiary and
not disadvantageous in any material respect to the holders.

     SECTION V.7 PAYMENT OF TAXES AND OTHER CLAIMS. The Company will pay or
discharge, or cause to be paid or discharged, before the same may become
delinquent, (i) all taxes, assessments and governmental charges levied or
imposed upon the Company or any Significant Subsidiary or upon the income,
profits or property of the Company or any Significant Subsidiary, (ii) all
claims for labor, materials and supplies which, if unpaid, might by law become a
lien or charge upon the property of the Company or any Significant Subsidiary
and (iii) all stamps and other duties, if any, which may be imposed by the
United States or any political subdivision thereof or therein in connection with
the issuance, transfer, exchange or conversion of any Notes or with respect to
this Indenture; provided, however, that, in the case of clauses (i) and (ii),
the Company shall not be required to pay or discharge or cause to be paid or
discharged any such tax, assessment, charge or claim (A) if the failure to do so
will not, in the aggregate, have a material adverse impact on the Company, or
(B) if the amount, applicability or validity is being contested in good faith by
appropriate proceedings.

     SECTION V.8 RULE 144A INFORMATION REQUIREMENT. Within the period prior to
the expiration of the holding period applicable to sales thereof under Rule
144(k) under the Securities Act (or any successor provision), the Company
covenants and agrees that it shall, during any period in which it is not subject
to Section 13 or 15(d) under the Exchange Act, make available to any holder or
beneficial holder of Notes or any Common Stock issued upon conversion thereof
which continue to be Restricted Securities in connection with any sale thereof
and any prospective purchaser of Notes or such Common Stock from such holder or
beneficial holder, the information required pursuant to Rule 144A(d)(4) under
the Securities Act upon the request of any holder or beneficial holder of the
Notes or such Common Stock and it will take such further action as any holder or
beneficial holder of such Notes or such Common Stock may reasonably request, all
to the extent required from time to time to enable such holder or beneficial
holder to sell its Notes or Common Stock without registration under the
Securities Act within the limitation of the exemption provided by Rule 144A, as
such Rule may be amended from time to time. Upon the request of any holder or
any beneficial holder of the Notes or such Common Stock, the Company will
deliver to such holder a written statement as to whether it has complied with
such requirements.



                                      -36-
<PAGE>   45

     SECTION V.9 STAY, EXTENSION AND USURY LAWS. The Company covenants (to the
extent that it may lawfully do so) that it shall not at any time insist upon,
plead, or in any manner whatsoever claim or take the benefit or advantage of,
any stay, extension or usury law or other law which would prohibit or forgive
the Company from paying all or any portion of the principal of, premium, if any,
or interest (including Liquidated Damages, if any) on the Notes as contemplated
herein, wherever enacted, now or at any time hereafter in force, or which may
affect the covenants or the performance of this Indenture and the Company (to
the extent it may lawfully do so) hereby expressly waives all benefit or
advantage of any such law, and covenants that it will not, by resort to any such
law, hinder, delay or impede the execution of any power herein granted to the
Trustee, but will suffer and permit the execution of every such power as though
no such law has been enacted.

     SECTION V.10 COMPLIANCE CERTIFICATE. The Company shall deliver to the
Trustee, within one hundred twenty (120) days after the end of each fiscal year
of the Company, a certificate signed by either the principal executive officer,
principal financial officer or principal accounting officer of the Company,
stating whether or not to the best knowledge of the signer thereof the Company
is in default in the performance and observance of any of the terms, provisions
and conditions of this Indenture (without regard to any period of grace or
requirement of notice provided hereunder) and, if the Company shall be in
default, specifying all such defaults and the nature and status thereof of which
the signer may have knowledge.

     The Company will deliver to the Trustee, forthwith upon becoming aware of
any default in the performance or observance of any covenant, agreement or
condition contained in this Indenture, or any Event of Default, an Officers'
Certificate specifying with particularity such default or Event of Default and
further stating what action the Company has taken, is taking or proposes to take
with respect thereto.

     Any notice required to be given under this Section 5.10 shall be delivered
to the Trustee at its Corporate Trust Office.


                                   ARTICLE VI

          NOTEHOLDERS' LISTS AND REPORTS BY THE COMPANY AND THE TRUSTEE

     SECTION VI.1 NOTEHOLDERS' LISTS. The Company covenants and agrees that it
will furnish or cause to be furnished to the Trustee, semiannually, not more
than fifteen (15) days after each March 1 and September 1 in each year beginning
with September 1, 1998, and at such other times as the Trustee may request in
writing, within thirty (30) days after receipt by the Company of any such
request (or such lesser time as the Trustee may reasonably request in order to
enable it to timely provide any notice to be provided by it hereunder), a list
in such form as the Trustee may reasonably require of the names and addresses of
the holders of Notes as of a date not more than fifteen (15) days (or such other
date as the Trustee may reasonably request in order to so provide any such
notices) prior to the time such information is furnished, except that no such
list need be furnished by 



                                      -37-
<PAGE>   46

the Company to the Trustee so long as the Trustee is acting as the sole Note
registrar.

     SECTION VI.2 PRESERVATION AND DISCLOSURE OF LISTS.

          (a) The Trustee shall preserve, in as current a form as is reasonably
practicable, all information as to the names and addresses of the holders of
Notes contained in the most recent list furnished to it as provided in Section
6.1 or maintained by the Trustee in its capacity as Note registrar or
co-registrar in respect of the Notes, if so acting. The Trustee may destroy any
list furnished to it as provided in Section 6.1 upon receipt of a new list so
furnished.

          (b) The rights of Noteholders to communicate with other holders of
Notes with respect to their rights under this Indenture or under the Notes, and
the corresponding rights and duties of the Trustee, shall be as provided by the
Trust Indenture Act.

          (c) Every Noteholder, by receiving and holding the same, agrees with
the Company and the Trustee that neither the Company nor the Trustee nor any
agent of either of them shall be held accountable by reason of any disclosure of
information as to names and addresses of holders of Notes made pursuant to the
Trust Indenture Act.

     SECTION VI.3 REPORTS BY TRUSTEE.

          (a) To the extent required by the Trust Indenture Act, within sixty
(60) days after May 31 of each year commencing with the year 1998, the Trustee
shall transmit to holders of Notes such reports dated as of May 31 of the year
in which such reports are made concerning the Trustee and its actions under this
Indenture as may be required pursuant to the Trust Indenture Act at the times
and in the manner provided pursuant thereto.

          (b) A copy of such report shall, at the time of such transmission to
holders of Notes, be filed by the Trustee with each stock exchange and automated
quotation system upon which the Notes are listed and with the Company. The
Company will notify the Trustee in writing within a reasonable time when the
Notes are listed on any stock exchange or automated quotation system. 

     SECTION VI.4 REPORTS BY COMPANY. The Company shall file with the Trustee
(and the Commission if at any time after the Indenture becomes qualified under
the Trust Indenture Act), and transmit to holders of Notes, such information,
documents and other reports and such summaries thereof, as may be required
pursuant to the Trust Indenture Act at the times and in the manner provided
pursuant to such Act, whether or not the Notes are governed by such Act;
provided that any such information, documents or reports required to be filed
with the Commission pursuant to Section 13 or 15(d) of the Exchange Act shall be
filed with the Trustee within fifteen (15) days after the same is so required to
be filed with the Commission (or if the Company is not subject to the reporting
requirements of Section 13 or 15(d) of the Exchange Act, within fifteen (15)
days after it would have been required to file such information with the
Commission had it been required to do so). Delivery of such reports, information
and documents to the Trustee is for informational purposes only and the
Trustee's receipt of such shall not constitute constructive notice of any


                                      -38-
<PAGE>   47

information contained therein or determinable from information contained
therein, including the Company's compliance with any of its covenants hereunder
(as to which the Trustee is entitled to rely exclusively on Officers'
Certificates).


                                   ARTICLE VII

         REMEDIES OF THE TRUSTEE AND NOTEHOLDERS ON AN EVENT OF DEFAULT

     SECTION VII.1 EVENTS OF DEFAULT. In case one or more of the following
Events of Default (whatever the reason for such Event of Default and whether it
shall be voluntary or involuntary or be effected by operation of law or pursuant
to any judgment, decree or order of any court or any order, rule or regulation
of any administrative or governmental body) shall have occurred and be
continuing:

          (a) default in the payment of any installment of interest (including
Liquidated Damages, if any) upon any of the Notes as and when the same shall
become due and payable, and continuance of such default for a period of thirty
(30) days, whether or not such payment is permitted under Article IV hereof; or

          (b) default in the payment of the principal of or premium, if any, on
any of the Notes as and when the same shall become due and payable either at
maturity or in connection with any redemption pursuant to Article III, by
acceleration or otherwise, whether or not such payment is permitted under
Article IV hereof; or

          (c) failure on the part of the Company duly to observe or perform any
other of the covenants or agreements on the part of the Company in the Notes or
in this Indenture (other than a covenant or agreement a default in whose
performance or whose breach is elsewhere in this Section 7.1 specifically dealt
with) continued for a period of sixty (60) days after the date on which written
notice of such failure, requiring the Company to remedy the same, shall have
been given to the Company by the Trustee, or to the Company and a Responsible
Officer of the Trustee by the holders of at least twenty-five percent (25%) in
aggregate principal amount of the Notes at the time outstanding determined in
accordance with Section 9.4; or

          (d) the Company or any Significant Subsidiary shall commence a
voluntary case or other proceeding seeking liquidation, reorganization or other
relief with respect to itself or any Significant Subsidiary or its such
Significant Subsidiary's debts under any bankruptcy, insolvency or other similar
law now or hereafter in effect or seeking the appointment of a trustee,
receiver, liquidator, custodian or other similar official of it or any
Significant Subsidiary or any substantial part of the property of the Company or
any Significant Subsidiary, or shall consent to any such relief or to the
appointment of or taking possession by any such official in an involuntary case
or other proceeding commenced against it or any Significant Subsidiary, or shall
make a general assignment for the benefit of creditors, or shall fail generally
to pay its debts as they become due; or



                                      -39-
<PAGE>   48

          (e) an involuntary case or other proceeding shall be commenced against
the Company or any Significant Subsidiary seeking liquidation, reorganization or
other relief with respect to it or any Significant Subsidiary or its debts under
any bankruptcy, insolvency or other similar law now or hereafter in effect or
seeking the appointment of a trustee, receiver, liquidator, custodian or other
similar official of it or any Significant Subsidiary or any substantial part of
the property of the Company or any Significant Subsidiary, and such involuntary
case or other proceeding shall remain undismissed and unstayed for a period of
ninety (90) consecutive days;

then, and in each and every such case (other than an Event of Default specified
in Section 7.1 (d) or (e) with respect to the Company), unless the principal of
all of the Notes shall have already become due and payable, either the Trustee
or the holders of not less than twenty-five percent (25%) in aggregate principal
amount of the Notes then outstanding hereunder determined in accordance with
Section 9.4, by notice in writing to the Company (and to the Trustee if given by
Noteholders), may declare the principal of and premium, if any, on all the Notes
and the interest accrued thereon (including Liquidated Damages, if any) to be
due and payable immediately, and upon any such declaration the same shall become
and shall be immediately due and payable, anything in this Indenture or in the
Notes contained to the contrary notwithstanding. If an Event of Default
specified in Section 7.1(d) or (e) with respect to the Company occurs, the
principal of all the Notes and the interest accrued thereon shall (including
Liquidated Damages, if any) be immediately and automatically due and payable
without necessity of further action. This provision, however, is subject to the
conditions that if, at any time after the principal of the Notes shall have been
so declared due and payable, and before any judgment or decree for the payment
of the monies due shall have been obtained or entered as hereinafter provided,
the Company shall pay or shall deposit with the Trustee a sum sufficient to pay
all matured installments of interest upon (including Liquidated Damages, if any)
all Notes and the principal of and premium, if any, on any and all Notes which
shall have become due otherwise than by acceleration (with interest on overdue
installments of interest (including Liquidated Damages, if any) (to the extent
that payment of such interest is enforceable under applicable law) and on such
principal and premium, if any, at the rate borne by the Notes, to the date of
such payment or deposit) and amounts due to the Trustee pursuant to Section 8.6,
and if any and all defaults under this Indenture, other than the nonpayment of
principal of and premium, if any, and accrued interest on (including Liquidated
Damages, if any) Notes which shall have become due by acceleration, shall have
been cured or waived pursuant to Section 7.7 -- then and in every such case the
holders of a majority in aggregate principal amount of the Notes then
outstanding, by written notice to the Company and to the Trustee, may waive all
defaults or Events of Default and rescind and annul such declaration and its
consequences; but no such waiver or rescission and annulment shall extend to or
shall affect any subsequent default or Event of Default, or shall impair any
right consequent thereon. The Company shall notify a Responsible Officer of the
Trustee, promptly upon becoming aware thereof, of any Event of Default.

     In case the Trustee shall have proceeded to enforce any right under this
Indenture and such proceedings shall have been discontinued or abandoned because
of such waiver or rescission and annulment or for any other reason or shall have
been determined adversely to the Trustee, then and 



                                      -40-
<PAGE>   49

in every such case the Company, the holders of Notes, and the Trustee shall be
restored respectively to their several positions and rights hereunder, and all
rights, remedies and powers of the Company, the holders of Notes, and the
Trustee shall continue as though no such proceeding had been taken.

     SECTION VII.2 PAYMENTS OF NOTES ON DEFAULT; SUIT THEREFOR. The Company
covenants that (a) in case default shall be made in the payment of any
installment of interest upon (including Liquidated Damages, if any) any of the
Notes as and when the same shall become due and payable, and such default shall
have continued for a period of thirty (30) days, or (b) in case default shall be
made in the payment of the principal of or premium, if any, on any of the Notes
as and when the same shall have become due and payable, whether at maturity of
the Notes or in connection with any redemption, by or under this Indenture
declaration or otherwise -- then, upon demand of the Trustee, the Company will
pay to the Trustee, for the benefit of the holders of the Notes, the whole
amount that then shall have become due and payable on all such Notes for
principal and premium, if any, or interest (including Liquidated Damages, if
any), as the case may be, with interest upon the overdue principal and premium,
if any, and (to the extent that payment of such interest is enforceable under
applicable law) upon the overdue installments of interest (including Liquidated
Damages, if any) at the rate borne by the Notes; and, in addition thereto, such
further amount as shall be sufficient to cover the costs and expenses of
collection, including reasonable compensation to the Trustee, its agents,
attorneys and counsel, and any expenses or liabilities incurred by the Trustee
hereunder other than through its negligence or bad faith. Until such demand by
the Trustee, the Company may pay the principal of and premium, if any, and
interest on (including Liquidated Damages, if any) the Notes to the registered
holders, whether or not the Notes are overdue.

     In case the Company shall fail forthwith to pay such amounts upon such
demand, the Trustee, in its own name and as trustee of an express trust, shall
be entitled and empowered to institute any actions or proceedings at law or in
equity for the collection of the sums so due and unpaid, and may prosecute any
such action or proceeding to judgment or final decree, and may enforce any such
judgment or final decree against the Company or any other obligor on the Notes
and collect in the manner provided by law out of the property of the Company or
any other obligor on the Notes wherever situated the monies adjudged or decreed
to be payable.

     In the case there shall be pending proceedings for the bankruptcy or for
the reorganization of the Company or any other obligor on the Notes under Title
11 of the United States Code, or any other applicable law, or in case a
receiver, assignee or trustee in bankruptcy or reorganization, liquidator,
sequestrator or similar official shall have been appointed for or taken
possession of the Company or such other obligor, the property of the Company or
such other obligor, or in the case of any other judicial proceedings relative to
the Company or such other obligor upon the Notes, or to the creditors or
property of the Company or such other obligor, the Trustee, irrespective of
whether the principal of the Notes shall then be due and payable as therein
expressed or by declaration or otherwise and irrespective of whether the Trustee
shall have made any demand pursuant to the provisions of this Section 7.2, shall
be entitled and empowered, by intervention in such proceedings or otherwise, to
file and prove a claim or claims for the whole amount of principal, premium, if
any, and interest (including Liquidated Damages, if any) owing and unpaid in
respect of the Notes, and, 



                                      -41-
<PAGE>   50

in case of any judicial proceedings, to file such proofs of claim and other
papers or documents as may be necessary or advisable in order to have the claims
of the Trustee and of the Noteholders allowed in such judicial proceedings
relative to the Company or any other obligor on the Notes, its or their
creditors, or its or their property, and to collect and receive any monies or
other property payable or deliverable on any such claims, and to distribute the
same after the deduction of any amounts due the Trustee under Section 8.6; and
any receiver, assignee or trustee in bankruptcy or reorganization, liquidator,
custodian or similar official is hereby authorized by each of the Noteholders to
make such payments to the Trustee, and, in the event that the Trustee shall
consent to the making of such payments directly to the Noteholders, to pay to
the Trustee any amount due it for reasonable compensation, expenses, advances
and disbursements, including counsel fees incurred by it up to the date of such
distribution. To the extent that such payment of reasonable compensation,
expenses, advances and disbursements out of the estate in any such proceedings
shall be denied for any reason, payment of the same shall be secured by a lien
on, and shall be paid out of, any and all distributions, dividends, monies,
securities and other property which the holders of the Notes may be entitled to
receive in such proceedings, whether in liquidation or under any plan of
reorganization or arrangement or otherwise.

     All rights of action and of asserting claims under this Indenture, or under
any of the Notes, may be enforced by the Trustee without the possession of any
of the Notes, or the production thereof at any trial or other proceeding
relative thereto, and any such suit or proceeding instituted by the Trustee
shall be brought in its own name as trustee of an express trust, and any
recovery of judgment shall, after provision for the payment of the reasonable
compensation, expenses, disbursements and advances of the Trustee, its agents
and counsel, be for the ratable benefit of the holders of the Notes.

     In any proceedings brought by the Trustee (and in any proceedings involving
the interpretation of any provision of this Indenture to which the Trustee shall
be a party) the Trustee shall be held to represent all the holders of the Notes,
and it shall not be necessary to make any holders of the Notes parties to any
such proceedings.

     SECTION VII.3 APPLICATION OF MONIES COLLECTED BY TRUSTEE. Any monies
collected by the Trustee pursuant to this Article VII shall be applied in the
order following, at the date or dates fixed by the Trustee for the distribution
of such monies, upon presentation of the several Notes, and stamping thereon the
payment, if only partially paid, and upon surrender thereof, if fully paid:

          FIRST: To the payment of all amounts due the Trustee under Section
     8.6;

          SECOND: Subject to the provisions of Article IV, in case the principal
     of the outstanding Notes shall not have become due and be unpaid, to the
     payment of interest on (including Liquidated Damages, if any) the Notes in
     default in the order of the maturity of the installments of such interest,
     with interest (to the extent that such interest has been collected by the
     Trustee) upon the overdue installments of interest (including Liquidated
     Damages, if any) at the rate borne by the Notes, such payments to be made
     ratably to the persons entitled thereto;



                                      -42-
<PAGE>   51

          THIRD: Subject to the provisions of Article IV, in case the principal
     of the outstanding Notes shall have become due, by declaration or
     otherwise, and be unpaid to the payment of the whole amount then owing and
     unpaid upon the Notes for principal and premium, if any, and interest
     (including Liquidated Damages, if any), with interest on the overdue
     principal and premium, if any, and (to the extent that such interest has
     been collected by the Trustee) upon overdue installments of interest
     (including Liquidated Damages, if any) at the rate borne by the Notes; and
     in case such monies shall be insufficient to pay in full the whole amounts
     so due and unpaid upon the Notes, then to the payment of such principal and
     premium, if any, and interest (including Liquidated Damages, if any)
     without preference or priority of principal and premium, if any, over
     interest (including Liquidated Damages, if any), or of interest (including
     Liquidated Damages, if any) over principal and premium, if any, or of any
     installment of interest over any other installment of interest, or of any
     Note over any other Note, ratably to the aggregate of such principal and
     premium, if any, and accrued and unpaid interest; and

          FOURTH: Subject to the provisions of Article IV, to the payment of the
     remainder, if any, to the Company or any other person lawfully entitled
     thereto.

     SECTION VII.4 PROCEEDINGS BY NOTEHOLDER. No holder of any Note shall have
any right by virtue of or by availing of any provision of this Indenture to
institute any suit, action or proceeding in equity or at law upon or under or
with respect to this Indenture, or for the appointment of a receiver, trustee,
liquidator, custodian or other similar official, or for any other remedy
hereunder, unless such holder previously shall have given to the Trustee written
notice of an Event of Default and of the continuance thereof, as hereinbefore
provided, and unless also the holders of not less than twenty-five percent (25%)
in aggregate principal amount of the Notes then outstanding shall have made
written request upon the Trustee to institute such action, suit or proceeding in
its own name as Trustee hereunder and shall have offered to the Trustee such
reasonable indemnity as it may require against the costs, expenses and
liabilities to be incurred therein or thereby, and the Trustee for sixty (60)
days after its receipt of such notice, request and offer of indemnity, shall
have neglected or refused to institute any such action, suit or proceeding and
no direction inconsistent with such written request shall have been given to the
Trustee pursuant to Section 7.7; it being understood and intended, and being
expressly covenanted by the taker and holder of every Note with every other
taker and holder and the Trustee, that no one or more holders of Notes shall
have any right in any manner whatever by virtue of or by availing of any
provision of this Indenture to affect, disturb or prejudice the rights of any
other holder of Notes, or to obtain or seek to obtain priority over or
preference to any other such holder, or to enforce any right under this
Indenture, except in the manner herein provided and for the equal, ratable and
common benefit of all holders of Notes (except as otherwise provided herein).
For the protection and enforcement of this Section 7.4, each and every
Noteholder and the Trustee shall be entitled to such relief as can be given
either at law or in equity.

     Notwithstanding any other provision of this Indenture and any provision of
any Note, the 



                                      -43-
<PAGE>   52

right of any holder of any Note to receive payment of the principal of and
premium, if any (including upon redemption pursuant to Article III), and accrued
interest on (including Liquidated Damages, if any) such Note, on or after the
respective due dates expressed in such Note or in the event of redemption, or to
institute suit for the enforcement of any such payment on or after such
respective dates against the Company shall not be impaired or affected without
the consent of such holder.

     Anything in this Indenture or the Notes to the contrary notwithstanding,
the holder of any Note, without the consent of either the Trustee or the holder
of any other Note, in its own behalf and for its own benefit, may enforce, and
may institute and maintain any proceeding suitable to enforce, its rights of
conversion as provided herein.

     SECTION VII.5 PROCEEDINGS BY TRUSTEE. In case of an Event of Default the
Trustee may in its discretion proceed to protect and enforce the rights vested
in it by this Indenture by such appropriate judicial proceedings as the Trustee
shall deem most effectual to protect and enforce any of such rights, either by
suit in equity or by action at law or by proceeding in bankruptcy or otherwise,
whether for the specific enforcement of any covenant or agreement contained in
this Indenture or in aid of the exercise of any power granted in this Indenture,
or to enforce any other legal or equitable right vested in the Trustee by this
Indenture or by law.

     SECTION VII.6 REMEDIES CUMULATIVE AND CONTINUING. Except as provided in
Section 2.6, all powers and remedies given by this Article VII to the Trustee or
to the Noteholders shall, to the extent permitted by law, be deemed cumulative
and not exclusive of any thereof or of any other powers and remedies available
to the Trustee or the holders of the Notes, by judicial proceedings or
otherwise, to enforce the performance or observance of the covenants and
agreements contained in this Indenture, and no delay or omission of the Trustee
or of any holder of any of the Notes to exercise any right or power accruing
upon any default or Event of Default occurring and continuing as aforesaid shall
impair any such right or power, or shall be construed to be a waiver of any such
default or any acquiescence therein; and, subject to the provisions of Section
7.4, every power and remedy given by this Article VII or by law to the Trustee
or to the Noteholders may be exercised from time to time, and as often as shall
be deemed expedient, by the Trustee or by the Noteholders.

     SECTION VII.7 DIRECTION OF PROCEEDINGS AND WAIVER OF DEFAULTS BY MAJORITY
OF NOTEHOLDERS. The holders of a majority in aggregate principal amount of the
Notes at the time outstanding determined in accordance with Section 9.4 shall
have the right to direct the time, method, and place of conducting any
proceeding for any remedy available to the Trustee or exercising any trust or
power conferred on the Trustee; provided, however, that (a) such direction shall
not be in conflict with any rule of law or with this Indenture, (b) the Trustee
may take any other action deemed proper by the Trustee which is not inconsistent
with such direction and (c) the Trustee may decline to take any action that
would benefit some Noteholder to the detriment of other Noteholders. The holders
of a majority in aggregate principal amount of the Notes at the time outstanding
determined in accordance with Section 9.4 may on behalf of the holders of all of
the Notes waive any past default or Event of Default hereunder and its
consequences except (i) a default in the payment of interest or premium, if any,
on, or the principal of, the Notes, (ii) a failure by the 



                                      -44-
<PAGE>   53

Company to convert any Notes into Common Stock, (iii) a default in the payment
of redemption price pursuant to Article III or (iv) a default in respect of a
covenant or provisions hereof which under Article XI cannot be modified or
amended without the consent of the holders of all Notes then outstanding. Upon
any such waiver, the Company, the Trustee and the holders of the Notes shall be
restored to their former positions and rights hereunder; but no such waiver
shall extend to any subsequent or other default or Event of Default or impair
any right consequent thereon. Whenever any default or Event of Default hereunder
shall have been waived as permitted by this Section 7.7, said default or Event
of Default shall for all purposes of the Notes and this Indenture be deemed to
have been cured and to be not continuing; but no such waiver shall extend to any
subsequent or other default or Event of Default or impair any right consequent
thereon.

     SECTION VII.8 NOTICE OF DEFAULTS. The Trustee shall, within ninety (90)
days after a Responsible Officer of the Trustee has knowledge of the occurrence
of a default, mail to all Noteholders, as the names and addresses of such
holders appear upon the Note register, notice of all defaults known to a
Responsible Officer, unless such defaults shall have been cured or waived before
the giving of such notice; and provided that, except in the case of default in
the payment of the principal of, or premium, if any, or interest (including
Liquidated Damages, if any) on any of the Notes, the Trustee shall be protected
in withholding such notice if and so long as a trust committee of directors
and/or Responsible Officers of the Trustee in good faith determines that the
withholding of such notice is in the interests of the Noteholders.

     SECTION VII.9 UNDERTAKING TO PAY COSTS. All parties to this Indenture
agree, and each holder of any Note by his acceptance thereof shall be deemed to
have agreed, that any court may, in its discretion, require, in any suit for the
enforcement of any right or remedy under this Indenture, or in any suit against
the Trustee for any action taken or omitted by it as Trustee, the filing by any
party litigant in such suit of an undertaking to pay the costs of such suit and
that such court may in its discretion assess reasonable costs, including
reasonable attorneys' fees, against any party litigant in such suit, having due
regard to the merits and good faith of the claims or defenses made by such party
litigant; provided that the provisions of this Section 7.9 (to the extent
permitted by law) shall not apply to any suit instituted by the Trustee, to any
suit instituted by any Noteholder, or group of Noteholders, holding in the
aggregate more than ten percent in principal amount of the Notes at the time
outstanding determined in accordance with Section 9.4, or to any suit instituted
by any Noteholder for the enforcement of the payment of the principal of or
premium, if any, or interest on any Note on or after the due date expressed in
such Note or to any suit for the enforcement of the right to convert any Note in
accordance with the provisions of Article XV.


                                  ARTICLE VIII

                             CONCERNING THE TRUSTEE

     SECTION VIII.1 DUTIES AND RESPONSIBILITIES OF TRUSTEE. The Trustee, prior
to the occurrence of an Event of Default and after the curing of all Events of
Default which may have 



                                      -45-
<PAGE>   54

occurred, undertakes to perform such duties and only such duties as are
specifically set forth in this Indenture. In case an Event of Default has
occurred (which has not been cured or waived) the Trustee shall exercise such of
the rights and powers vested in it by this Indenture, and use the same degree of
care and skill in their exercise, as a prudent man would exercise or use under
the circumstances in the conduct of his own affairs.

     No provision of this Indenture shall be construed to relieve the Trustee
from liability for its own negligent action, its own negligent failure to act or
its own willful or gross misconduct, except that

          (a) prior to the occurrence of an Event of Default and after the
curing or waiving of all Events of Default which may have occurred:

              (1) the duties and obligations of the Trustee shall be determined
solely by the express provisions of this Indenture and the Trust Indenture Act,
and the Trustee shall not be liable except for the performance of such duties
and obligations as are specifically set forth in this Indenture and no implied
covenants or obligations shall be read into this Indenture and the Trust
Indenture Act against the Trustee; and

              (2) in the absence of bad faith and willful or gross misconduct on
the part of the Trustee, the Trustee may conclusively rely, as to the truth of
the statements and the correctness of the opinions expressed therein, upon any
certificates or opinions furnished to the Trustee and conforming to the
requirements of this Indenture; but, in the case of any such certificates or
opinions which by any provisions hereof are specifically required to be
furnished to the Trustee, the Trustee shall be under a duty to examine the same
to determine whether or not they conform to the requirements of this Indenture;

          (b) the Trustee shall not be liable for any error of judgment made in
good faith by a Responsible Officer or Officers of the Trustee, unless the
Trustee was negligent in ascertaining the pertinent facts;

          (c) the Trustee shall not be liable with respect to any action taken
or omitted to be taken by it in good faith in accordance with the written
direction of the holders of not less than a majority in principal amount of the
Notes at the time outstanding determined as provided in Section 9.4 relating to
the time, method and place of conducting any proceeding for any remedy available
to the Trustee, or exercising any trust or power conferred upon the Trustee,
under this Indenture;

          (d) whether or not therein provided, every provision of this Indenture
relating to the conduct or affecting the liability of, or affording protection
to, the Trustee shall be subject to the provisions of this Section;

          (e) the Trustee shall not be liable in respect of any payment (as to
the correctness 



                                      -46-
<PAGE>   55

of amount, entitlement to receive or any other matters relating to payment) or
notice effected by the Company or any paying agent or any records maintained by
any co-registrar with respect to the Notes; and

          (f) if any party fails to deliver a notice relating to an event the
fact of which, pursuant to this Indenture, requires notice to be sent to the
Trustee, the Trustee may conclusively rely on its failure to receive such notice
as reason to act as if no such event occurred.

      None of the provisions contained in this Indenture shall require the
Trustee to expend or risk its own funds or otherwise incur personal financial
liability in the performance of any of its duties or in the exercise of any of
its rights or powers, if there is reasonable ground for believing that the
repayment of such funds or adequate indemnity against such risk or liability is
not reasonably assured to it.

     SECTION VIII.2 RELIANCE ON DOCUMENTS, OPINIONS, ETC. Except as otherwise
provided in Section 8.1:

          (a) the Trustee may rely and shall be protected in acting upon any
resolution, certificate, statement, instrument, opinion, report, notice,
request, consent, order, bond, debenture, note, coupon or other paper or
document believed by it in good faith to be genuine and to have been signed or
presented by the proper party or parties;

          (b) any request, direction, order or demand of the Company mentioned
herein shall be sufficiently evidenced by an Officers' Certificate (unless other
evidence in respect thereof be herein specifically prescribed); and any
resolution of the Board of Directors may be evidenced to the Trustee by a copy
thereof certified by the Secretary or an Assistant Secretary of the Company;

          (c) the Trustee may consult with counsel and any advice or Opinion of
Counsel shall be full and complete authorization and protection in respect of
any action taken or omitted by it hereunder in good faith and in accordance with
such advice or Opinion of Counsel;

          (d) the Trustee shall be under no obligation to exercise any of the
rights or powers vested in it by this Indenture at the request, order or
direction of any of the Noteholders pursuant to the provisions of this
Indenture, unless such Noteholders shall have offered to the Trustee reasonable
security or indemnity against the costs, expenses and liabilities which may be
incurred therein or thereby;

          (e) the Trustee shall not be bound to make any investigation into the
facts or matters stated in any resolution, certificate, statement, instrument,
opinion, report, notice, request, direction, consent, order, bond, debenture or
other paper or document, but the Trustee, in its discretion, may make such
further inquiry or investigation into such facts or matters as it may see fit,
and, if the Trustee shall determine to make such further inquiry or
investigation, it shall be entitled to examine the books, records and premises
of the Company, personally or by agent or attorney; and



                                      -47-
<PAGE>   56

          (f) the Trustee may execute any of the trusts or powers hereunder or
perform any duties hereunder either directly or by or through agents or
attorneys and the Trustee shall not be responsible for any misconduct or
negligence on the part of any agent or attorney appointed by it with due care
hereunder.

     SECTION VIII.3 NO RESPONSIBILITY FOR RECITALS, ETC. The recitals contained
herein and in the Notes (except in the Trustee's certificate of authentication)
shall be taken as the statements of the Company, and the Trustee assumes no
responsibility for the correctness of the same. The Trustee makes no
representations as to the validity or sufficiency of this Indenture or of the
Notes. The Trustee shall not be accountable for the use or application by the
Company of any Notes or the proceeds of any Notes authenticated and delivered by
the Trustee in conformity with the provisions of this Indenture.

     SECTION VIII.4 TRUSTEE, PAYING AGENTS, CONVERSION AGENTS OR REGISTRAR MAY
OWN NOTES. The Trustee, any paying agent, any conversion agent or Note
registrar, in its individual or any other capacity, may become the owner or
pledgee of Notes with the same rights it would have if it were not Trustee,
paying agent, conversion agent or Note registrar.

     SECTION VIII.5 MONIES TO BE HELD IN TRUST. Subject to the provisions of
Section 13.4 and Section 4.2, all monies received by the Trustee shall, until
used or applied as herein provided, be held in trust for the purposes for which
they were received. Money held by the Trustee in trust hereunder need not be
segregated from other funds except to the extent required by law. The Trustee
shall be under no liability for interest on any money received by it hereunder
except as may be agreed from time to time by the Company and the Trustee.

     SECTION VIII.6 COMPENSATION AND EXPENSES OF TRUSTEE. The Company covenants
and agrees to pay to the Trustee from time to time, and the Trustee shall be
entitled to, reasonable compensation for all services rendered by it hereunder
in any capacity (which shall not be limited by any provision of law in regard to
the compensation of a trustee of an express trust) as mutually agreed to in
writing between the Company and the Trustee, and the Company will pay or
reimburse the Trustee upon its request for all reasonable expenses,
disbursements and advances reasonably incurred or made by the Trustee in
accordance with any of the provisions of this Indenture (including the
reasonable compensation and the expenses and disbursements of its counsel and of
all persons not regularly in its employ) except any such expense, disbursement
or advance as may arise from its negligence, willful misconduct, recklessness or
bad faith. The Company also covenants to indemnify the Trustee (or any officer,
director or employee of the Trustee) in any capacity under this Indenture and
its agents and any authenticating agent for, and to hold them harmless against,
any loss, liability or expense incurred without negligence, willful misconduct,
recklessness, or bad faith on the part of the Trustee or such officers,
directors, employees and agent or authenticating agent, as the case may be, and
arising out of or in connection with the acceptance or administration of this
trust or in any other capacity hereunder, including the costs and expenses of
defending themselves against any claim of liability in the premises. The
obligations of the Company under this Section 8.6 



                                      -48-
<PAGE>   57

to compensate or indemnify the Trustee and to pay or reimburse the Trustee for
expenses, disbursements and advances shall be secured by a lien prior to that of
the Notes upon all property and funds held or collected by the Trustee as such,
except funds held in trust for the benefit of the holders of particular Notes.
The obligation of the Company under this Section shall survive the satisfaction
and discharge of this Indenture.

     When the Trustee and its agents and any authenticating agent incur expenses
or render services after an Event of Default specified in Section 7.1(d) or (e)
with respect to the Company occurs, the expenses and the compensation for the
services are intended to constitute expenses of administration under any
bankruptcy, insolvency or similar laws.

     SECTION VIII.7 OFFICERS' CERTIFICATE AS EVIDENCE. Except as otherwise
provided in Section 8.1, whenever in the administration of the provisions of
this Indenture the Trustee shall deem it necessary or desirable that a matter be
proved or established prior to taking or omitting any action hereunder, such
matter (unless other evidence in respect thereof be herein specifically
prescribed) may, in the absence of negligence, willful misconduct, recklessness,
or bad faith on the part of the Trustee, be deemed to be conclusively proved and
established by an Officers' Certificate delivered to the Trustee.

     SECTION VIII.8 CONFLICTING INTERESTS OF TRUSTEE. If the Trustee has or
shall acquire a conflicting interest within the meaning of the Trust Indenture
Act, the Trustee shall either eliminate such interest or resign, to the extent
and in the manner provided by, and subject to the provisions of, the Trust
Indenture Act and this Indenture.

     SECTION VIII.9 ELIGIBILITY OF TRUSTEE. There shall at all times be a
Trustee hereunder which shall be a Person that is eligible pursuant to the Trust
Indenture Act to act as such and has a combined capital and surplus of at least
$50,000,000 (or if such Person is a member of a bank holding company system, its
bank holding company shall have a combined capital and surplus of at least
$50,000,000). If such person publishes reports of condition at least annually,
pursuant to law or to the requirements of any supervising or examining
authority, then for the purposes of this Section, the combined capital and
surplus of such person shall be deemed to be its combined capital and surplus as
set forth in its most recent report of condition so published. If at any time
the Trustee shall cease to be eligible in accordance with the provisions of this
Section, it shall resign immediately in the manner and with the effect
hereinafter specified in this Article.

     SECTION VIII.10 RESIGNATION OR REMOVAL OF TRUSTEE.

          (a) The Trustee may at any time resign by giving written notice of
such resignation to the Company and to the holders of Notes. Upon receiving such
notice of resignation, the Company shall promptly appoint a successor trustee by
written instrument, in duplicate, executed by order of the Board of Directors,
one copy of which instrument shall be delivered to the resigning Trustee and one
copy to the successor trustee. If no successor trustee shall have been so
appointed and have accepted appointment sixty (60) days after the mailing of
such notice of resignation to the 



                                      -49-
<PAGE>   58

Noteholders, the resigning Trustee may petition any court of competent
jurisdiction for the appointment of a successor trustee, or any Noteholder who
has been a bona fide holder of a Note or Notes for at least six (6) months may,
subject to the provisions of Section 7.9, on behalf of himself and all others
similarly situated, petition any such court for the appointment of a successor
trustee. Such court may thereupon, after such notice, if any, as it may deem
proper and prescribe, appoint a successor trustee.

          (b) In case at any time any of the following shall occur:

               (1) the Trustee shall fail to comply with Section 8.8 after
written request therefor by the Company or by any Noteholder who has been a bona
fide holder of a Note or Notes for at least six (6) months; or

               (2) the Trustee shall cease to be eligible in accordance with the
provisions of Section 8.9 and shall fail to resign after written request
therefor by the Company or by any such Noteholder; or

               (3) the Trustee shall become incapable of acting, or shall be
adjudged a bankrupt or insolvent, or a receiver of the Trustee or of its
property shall be appointed, or any public officer shall take charge or control
of the Trustee or of its property or affairs for the purpose of rehabilitation,
conservation or liquidation;

then, in any such case, the Company may remove the Trustee and appoint a
successor trustee by written instrument, in duplicate, executed by order of the
Board of Directors, one copy of which instrument shall be delivered to the
Trustee so removed and one copy to the successor trustee, or, subject to the
provisions of Section 7.9, any Noteholder who has been a bona fide holder of a
Note or Notes for at least six (6) months may, on behalf of himself and all
others similarly situated, petition any court of competent jurisdiction for the
removal of the Trustee and the appointment of a successor trustee; provided that
if no successor Trustee shall have been appointed and have accepted appointment
sixty (60) days after either the Company or the Noteholders has removed the
Trustee, the Trustee so removed may petition any court of competent jurisdiction
for an appointment of a successor trustee. Such court may thereupon, after such
notice, if any, as it may deem proper and prescribe, remove the Trustee and
appoint a successor trustee.

          (c) The holders of a majority in aggregate principal amount of the
Notes at the time outstanding may at any time remove the Trustee and nominate a
successor trustee which shall be deemed appointed as successor trustee unless
within ten (10) days after notice to the Company of such nomination the Company
objects thereto, in which case the Trustee so removed or any Noteholder, upon
the terms and conditions and otherwise as in Section 8.10(a) provided, may
petition any court of competent jurisdiction for an appointment of a successor
trustee.

          (d) Any resignation or removal of the Trustee and appointment of a
successor trustee pursuant to any of the provisions of this Section 8.10 shall
become effective upon acceptance 



                                      -50-
<PAGE>   59

of appointment by the successor trustee as provided in Section 8.11.

     SECTION VIII.11 ACCEPTANCE BY SUCCESSOR TRUSTEE. Any successor trustee
appointed as provided in Section 8.10 shall execute, acknowledge and deliver to
the Company and to its predecessor trustee an instrument accepting such
appointment hereunder, and thereupon the resignation or removal of the
predecessor trustee shall become effective and such successor trustee, without
any further act, deed or conveyance, shall become vested with all the rights,
powers, duties and obligations of its predecessor hereunder, with like effect as
if originally named as trustee herein; but, nevertheless, on the written request
of the Company or of the successor trustee, the trustee ceasing to act shall,
upon payment of any amounts then due it pursuant to the provisions of Section
8.6, execute and deliver an instrument transferring to such successor trustee
all the rights and powers of the trustee so ceasing to act. Upon request of any
such successor trustee, the Company shall execute any and all instruments in
writing for more fully and certainly vesting in and confirming to such successor
trustee all such rights and powers. Any trustee ceasing to act shall,
nevertheless, retain a lien upon all property and funds held or collected by
such trustee as such, except for funds held in trust for the benefit of holders
of particular Notes, to secure any amounts then due it pursuant to the
provisions of Section 8.6.

     No successor trustee shall accept appointment as provided in this Section
8.11 unless at the time of such acceptance such successor trustee shall be
qualified under the provisions of Section 8.8 and be eligible under the
provisions of Section 8.9.

     Upon acceptance of appointment by a successor trustee as provided in this
Section 8.11, the Company (or the former trustee, at the written direction of
the Company) shall mail or cause to be mailed notice of the succession of such
trustee hereunder to the holders of Notes at their addresses as they shall
appear on the Note register. If the Company fails to mail such notice within ten
(10) days after acceptance of appointment by the successor trustee, the
successor trustee shall cause such notice to be mailed at the expense of the
Company.

     SECTION VIII.12 SUCCESSION BY MERGER, ETC. Any corporation into which the
Trustee may be merged or converted or with which it may be consolidated, or any
corporation resulting from any merger, conversion or consolidation to which the
Trustee shall be a party, or any corporation succeeding to all or substantially
all of the corporate trust business of the Trustee (including any trust created
by this Indenture), shall be the successor to the Trustee hereunder without the
execution or filing of any paper or any further act on the part of any of the
parties hereto, provided that in the case of any corporation succeeding to all
or substantially all of the corporate trust business of the Trustee such
corporation shall be qualified under the provisions of Section 8.8 and eligible
under the provisions of Section 8.9.

     In case at the time such successor to the Trustee shall succeed to the
trusts created by this Indenture, any of the Notes shall have been authenticated
but not delivered, any such successor to the Trustee may adopt the certificate
of authentication of any predecessor trustee or authenticating agent appointed
by such predecessor trustee, and deliver such Notes so authenticated; and in
case at that 



                                      -51-
<PAGE>   60

time any of the Notes shall not have been authenticated, any successor to the
Trustee or an authenticating agent appointed by such successor trustee may
authenticate such Notes either in the name of any predecessor trustee hereunder
or in the name of the successor trustee; and in all such cases such certificates
shall have the full force which it is anywhere in the Notes or in this Indenture
provided that the certificate of the Trustee shall have; provided, however, that
the right to adopt the certificate of authentication of any predecessor Trustee
or authenticate Notes in the name of any predecessor Trustee shall apply only to
its successor or successors by merger, conversion or consolidation.

     SECTION VIII.13 PREFERENTIAL COLLECTION OF CLAIMS. If and when the Trustee
shall be or become a creditor of the Company (or any other obligor upon the
Notes), the Trustee shall be subject to the provisions of the Trust Indenture
Act regarding the collection of the claims against the Company (or any such
other obligor).

     SECTION VIII.14 TRUSTEE'S APPLICATION FOR INSTRUCTIONS FROM THE COMPANY.
Any application by the Trustee for written instructions from the Company (other
than with regard to any action proposed to be taken or omitted to be taken by
the Trustee that affects the rights of the holders of the Notes or holders of
Senior Indebtedness under this Indenture, including, without limitation, under
Article IV hereof) may, at the option of the Trustee, set forth in writing any
action proposed to be taken or omitted by the Trustee under this Indenture and
the date on and/or after which such action shall be taken or such omission shall
be effective. The Trustee shall not be liable for any action taken by, or
omission of, the Trustee in accordance with a proposal included in such
application on or after the date specified in such application (which date shall
not be less than three (3) Business Days after the date any officer of the
Company actually receives such application, unless any such officer shall have
consented in writing to any earlier date) unless prior to taking any such action
(or the effective date in the case of an omission), the Trustee shall have
received written instructions in response to such application specifying the
action to be taken or omitted.


                                   ARTICLE IX

                           CONCERNING THE NOTEHOLDERS

     SECTION IX.1 ACTION BY NOTEHOLDERS. Whenever in this Indenture it is
provided that the holders of a specified percentage in aggregate principal
amount of the Notes may take any action (including the making of any demand or
request, the giving of any notice, consent or waiver or the taking of any other
action), the fact that at the time of taking any such action, the holders of
such specified percentage have joined therein may be evidenced (a) by any
instrument or any number of instruments of similar tenor executed by Noteholders
in person or by agent or proxy appointed in writing, or (b) by the record of the
holders of Notes voting in favor thereof at any meeting of Noteholders duly
called and held in accordance with the provisions of Article X, or (c) by a
combination of such instrument or instruments and any such record of such a
meeting of Noteholders. Whenever the Company or the Trustee solicits the taking
of any action by the holders 



                                      -52-
<PAGE>   61

of the Notes, the Company or the Trustee may fix in advance of such
solicitation, a date as the record date for determining holders entitled to take
such action. The record date shall be not more than fifteen (15) days prior to
the date of commencement of solicitation of such action.

     SECTION IX.2 PROOF OF EXECUTION BY NOTEHOLDERS. Subject to the provisions
of Sections 8.1, 8.2 and 10.5, proof of the execution of any instrument by a
Noteholder or its agent or proxy shall be sufficient if made in accordance with
such reasonable rules and regulations as may be prescribed by the Trustee or in
such manner as shall be satisfactory to the Trustee. The holding of Notes shall
be proved by the registry of such Notes or by a certificate of the Note
registrar.

     The record of any Noteholders' meeting shall be proved in the manner
provided in Section 10.6.

     SECTION IX.3 WHO ARE DEEMED ABSOLUTE OWNERS. The Company, the Trustee, any
paying agent, any conversion agent and any Note registrar may deem the person in
whose name such Note shall be registered upon the Note register to be, and may
treat it as, the absolute owner of such Note (whether or not such Note shall be
overdue and notwithstanding any notation of ownership or other writing thereon)
for the purpose of receiving payment of or on account of the principal of,
premium, if any, and interest on such Note, for conversion of such Note and for
all other purposes; and neither the Company nor the Trustee nor any paying agent
nor any conversion agent nor any Note registrar shall be affected by any notice
to the contrary. All such payments so made to any holder for the time being, or
upon his order, shall be valid, and, to the extent of the sum or sums so paid,
effectual to satisfy and discharge the liability for monies payable upon any
such Note.

     SECTION IX.4 COMPANY-OWNED NOTES DISREGARDED. In determining whether the
holders of the requisite aggregate principal amount of Notes have concurred in
any direction, consent, waiver or other action under this Indenture, Notes which
are owned by the Company or any other obligor on the Notes or any Affiliate of
the Company or any other obligor on the Notes shall be disregarded and deemed
not to be outstanding for the purpose of any such determination; provided that
for the purposes of determining whether the Trustee shall be protected in
relying on any such direction, consent, waiver or other action only Notes which
a Responsible Officer knows are so owned shall be so disregarded. Notes so owned
which have been pledged in good faith may be regarded as outstanding for the
purposes of this Section 9.4 if the pledgee shall establish to the satisfaction
of the Trustee the pledgee's right to vote such Notes and that the pledgee is
not the Company, any other obligor on the Notes or any Affiliate of the Company
or any such other obligor. In the case of a dispute as to such right, any
decision by the Trustee taken upon the advice of counsel shall be full
protection to the Trustee. Upon request of the Trustee, the Company shall
furnish to the Trustee promptly an Officers' Certificate listing and identifying
all Notes, if any, known by the Company to be owned or held by or for the
account of any of the above described persons; and, subject to Section 8.1, the
Trustee shall be entitled to accept such Officers' Certificate as conclusive
evidence of the facts therein set forth and of the fact that all Notes not
listed therein are outstanding for the purpose of any such determination.



                                      -53-
<PAGE>   62

     SECTION IX.5 REVOCATION OF CONSENTS; FUTURE HOLDERS BOUND. At any time
prior to (but not after) the evidencing to the Trustee, as provided in Section
9.1, of the taking of any action by the holders of the percentage in aggregate
principal amount of the Notes specified in this Indenture in connection with
such action, any holder of a Note which is shown by the evidence to be included
in the Notes the holders of which have consented to such action may, by filing
written notice with the Trustee at its Corporate Trust Office and upon proof of
holding as provided in Section 9.2, revoke such action so far as concerns such
Note. Except as aforesaid, any such action taken by the holder of any Note shall
be conclusive and binding upon such holder and upon all future holders and
owners of such Note and of any Notes issued in exchange or substitution
therefor, irrespective of whether any notation in regard thereto is made upon
such Note or any Note issued in exchange or substitution therefor.


                                    ARTICLE X

                              NOTEHOLDERS' MEETINGS

     SECTION X.1 PURPOSE OF MEETINGS. A meeting of Noteholders may be called at
any time and from time to time pursuant to the provisions of this Article X for
any of the following purposes: 

               (1) to give any notice to the Company or to the Trustee or to
give any directions to the Trustee permitted under this Indenture, or to consent
to the waiving of any default or Event of Default hereunder and its
consequences, or to take any other action authorized to be taken by Noteholders
pursuant to any of the provisions of Article VII;

               (2) to remove the Trustee and nominate a successor trustee
pursuant to the provisions of Article VIII;

               (3) to consent to the execution of an indenture or indentures
supplemental hereto pursuant to the provisions of Section 11.2; or

               (4) to take any other action authorized to be taken by or on
behalf of the holders of any specified aggregate principal amount of the Notes
under any other provision of this Indenture or under applicable law.

     SECTION X.2 CALL OF MEETINGS BY TRUSTEE. The Trustee may at any time call a
meeting of Noteholders to take any action specified in Section 10.1, to be held
at such time and at such place as the Trustee shall determine. Notice of every
meeting of the Noteholders, setting forth the time and the place of such meeting
and in general terms the action proposed to be taken at such meeting and the
establishment of any record date pursuant to Section 9.1, shall be mailed to
holders of Notes at their addresses as they shall appear on the Note register.
Such notice shall also be mailed to the Company. Such notices shall be mailed
not less than twenty (20) nor more than ninety (90) days prior to the date fixed
for the meeting.



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<PAGE>   63

     Any meeting of Noteholders shall be valid without notice if the holders of
all Notes then outstanding are present in person or by proxy or if notice is
waived before or after the meeting by the holders of all Notes outstanding, and
if the Company and the Trustee are either present by duly authorized
representatives or have, before or after the meeting, waived notice.

     SECTION X.3 CALL OF MEETINGS BY COMPANY OR NOTEHOLDERS. In case at any time
the Company, pursuant to a resolution of its Board of Directors, or the holders
of at least ten percent (10%) in aggregate principal amount of the Notes then
outstanding, shall have requested the Trustee to call a meeting of Noteholders,
by written request setting forth in reasonable detail the action proposed to be
taken at the meeting, and the Trustee shall not have mailed the notice of such
meeting within twenty (20) days after receipt of such request, then the Company
or such Noteholders may determine the time and the place for such meeting and
may call such meeting to take any action authorized in Section 10.1, by mailing
notice thereof as provided in Section 10.2.

     SECTION X.4 QUALIFICATIONS FOR VOTING. To be entitled to vote at any
meeting of Noteholders a person shall (a) be a holder of one or more Notes on
the record date pertaining to such meeting or (b) be a person appointed by an
instrument in writing as proxy by a holder of one or more Notes. The only
persons who shall be entitled to be present or to speak at any meeting of
Noteholders shall be the persons entitled to vote at such meeting and their
counsel and any representatives of the Trustee and its counsel and any
representatives of the Company and its counsel. 

     SECTION X.5 REGULATIONS. Notwithstanding any other provisions of this
Indenture, the Trustee may make such reasonable regulations as it may deem
advisable for any meeting of Noteholders, in regard to proof of the holding of
Notes and of the appointment of proxies, and in regard to the appointment and
duties of inspectors of votes, the submission and examination of proxies,
certificates and other evidence of the right to vote, and such other matters
concerning the conduct of the meeting as it shall think fit.

     The Trustee shall, by an instrument in writing, appoint a temporary
chairman of the meeting, unless the meeting shall have been called by the
Company or by Noteholders as provided in Section 10.3, in which case the Company
or the Noteholders calling the meeting, as the case may be, shall in like manner
appoint a temporary chairman. A permanent chairman and a permanent secretary of
the meeting shall be elected by vote of the holders of a majority in principal
amount of the Notes represented at the meeting and entitled to vote at the
meeting.

     Subject to the provisions of Section 9.4, at any meeting each Noteholder or
proxyholder shall be entitled to one vote for each $1,000 principal amount of
Notes held or represented by him; provided, however, that no vote shall be cast
or counted at any meeting in respect of any Note challenged as not outstanding
and ruled by the chairman of the meeting to be not outstanding. The chairman of
the meeting shall have no right to vote other than by virtue of Notes held by
him or instruments in writing as aforesaid duly designating him as the proxy to
vote on behalf of other Noteholders. Any meeting of Noteholders duly called
pursuant to the provisions of Section 10.2 or 10.3 may be adjourned from time to
time by the holders of a majority of the aggregate principal 



                                      -55-
<PAGE>   64

amount of Notes represented at the meeting, whether or not constituting a
quorum, and the meeting may be held as so adjourned without further notice.

     SECTION X.6 VOTING. The vote upon any resolution submitted to any meeting
of Noteholders shall be by written ballot on which shall be subscribed the
signatures of the holders of Notes or of their representatives by proxy and the
principal amount of the Notes held or represented by them. The permanent
chairman of the meeting shall appoint two inspectors of votes who shall count
all votes cast at the meeting for or against any resolution and who shall make
and file with the secretary of the meeting their verified written reports in
duplicate of all votes cast at the meeting. A record in duplicate of the
proceedings of each meeting of Noteholders shall be prepared by the secretary of
the meeting and there shall be attached to said record the original reports of
the inspectors of votes on any vote by ballot taken thereat and affidavits by
one or more persons having knowledge of the facts setting forth a copy of the
notice of the meeting and showing that said notice was mailed as provided in
Section 10.2. The record shall show the principal amount of the Notes voting in
favor of or against any resolution. The record shall be signed and verified by
the affidavits of the permanent chairman and secretary of the meeting and one of
the duplicates shall be delivered to the Company and the other to the Trustee to
be preserved by the Trustee, the latter to have attached thereto the ballots
voted at the meeting.

     Any record so signed and verified shall be conclusive evidence of the
matters therein stated.

     SECTION X.7 NO DELAY OF RIGHTS BY MEETING. Nothing in this Article X
contained shall be deemed or construed to authorize or permit, by reason of any
call of a meeting of Noteholders or any rights expressly or impliedly conferred
hereunder to make such call, any hindrance or delay in the exercise of any right
or rights conferred upon or reserved to the Trustee or to the Noteholders under
any of the provisions of this Indenture or of the Notes.


                                   ARTICLE XI

                             SUPPLEMENTAL INDENTURES

     SECTION XI.1 SUPPLEMENTAL INDENTURES WITHOUT CONSENT OF NOTEHOLDERS. The
Company, when authorized by the resolutions of the Board of Directors, and the
Trustee may from time to time and at any time enter into an indenture or
indentures supplemental hereto for one or more of the following purposes:

          (a) to make provision with respect to the conversion rights of the
holders of Notes pursuant to the requirements of Section 15.6 and the redemption
obligations of the Company pursuant to the requirements of Section 3.5(e);

          (b) subject to Article IV, to convey, transfer, assign, mortgage or
pledge to the Trustee as security for the Notes, any property or assets;



                                      -56-
<PAGE>   65

          (c) to evidence the succession of another corporation to the Company,
or successive successions, and the assumption by the successor corporation of
the covenants, agreements and obligations of the Company pursuant to Article
XII;

          (d) to add to the covenants of the Company such further covenants,
restrictions or conditions as the Board of Directors and the Trustee shall
consider to be for the benefit of the holders of Notes, and to make the
occurrence, or the occurrence and continuance, of a default in any such
additional covenants, restrictions or conditions a default or an Event of
Default permitting the enforcement of all or any of the several remedies
provided in this Indenture as herein set forth; provided, however, that in
respect of any such additional covenant, restriction or condition such
supplemental indenture may provide for a particular period of grace after
default (which period may be shorter or longer than that allowed in the case of
other defaults) or may provide for an immediate enforcement upon such default or
may limit the remedies available to the Trustee upon such default;

          (e) to provide for the issuance under this Indenture of Notes in
coupon form (including Notes registrable as to principal only) and to provide
for exchangeability of such Notes with the Notes issued hereunder in fully
registered form and to make all appropriate changes for such purpose;

          (f) to cure any ambiguity or to correct or supplement any provision
contained herein or in any supplemental indenture which may be defective or
inconsistent with any other provision contained herein or in any supplemental
indenture, or to make such other provisions in regard to matters or questions
arising under this Indenture which shall not materially adversely affect the
interests of the holders of the Notes; 

          (g) to evidence and provide for the acceptance of appointment
hereunder by a successor Trustee with respect to the Notes; or

          (h) to modify, eliminate or add to the provisions of this Indenture to
such extent as shall be necessary to effect the qualifications of this Indenture
under the Trust Indenture Act, or under any similar federal statute hereafter
enacted.

     Upon the written request of the Company, accompanied by a copy of the
resolutions of the Board of Directors certified by its Secretary or Assistant
Secretary authorizing the execution of any supplemental indenture, the Trustee
is hereby authorized to join with the Company in the execution of any such
supplemental indenture, to make any further appropriate agreements and
stipulations which may be therein contained and to accept the conveyance,
transfer and assignment of any property thereunder, but the Trustee shall not be
obligated to, but may in its discretion, enter into any supplemental indenture
which affects the Trustee's own rights, duties or immunities under this
Indenture or otherwise.

     Any supplemental indenture authorized by the provisions of this Section
11.1 may be executed by the Company and the Trustee without the consent of the
holders of any of the Notes at 



                                      -57-
<PAGE>   66

the time outstanding, notwithstanding any of the provisions of Section 11.2.

     Notwithstanding any other provision of the Indenture or the Notes, the
Registration Rights Agreement and the obligation to pay Liquidated Damages
thereunder may be amended, modified or waived in accordance with the provisions
of the Registration Rights Agreement.

     SECTION XI.2 SUPPLEMENTAL INDENTURES WITH CONSENT OF NOTEHOLDERS. With the
consent (evidenced as provided in Article IX) of the holders of not less than a
majority in aggregate principal amount of the Notes at the time outstanding, the
Company, when authorized by the resolutions of the Board of Directors, and the
Trustee may from time to time and at any time enter into an indenture or
indentures supplemental hereto for the purpose of adding any provisions to or
changing in any manner or eliminating any of the provisions of this Indenture or
any supplemental indenture or of modifying in any manner the rights of the
holders of the Notes; provided, however, that no such supplemental indenture
shall (i) extend the fixed maturity of any Note, or reduce the rate or extend
the time of payment of interest thereon, or reduce the principal amount thereof
or premium, if any, thereon, or reduce any amount payable on redemption thereof,
or impair the right of any Noteholder to institute suit for the payment thereof,
or make the principal thereof or interest or premium, if any, thereon payable in
any coin or currency other than that provided in the Notes, or modify the
provisions of this Indenture with respect to the subordination of the Notes in a
manner adverse to the Noteholders, or change the obligation of the Company to
redeem any Note upon the happening of a Fundamental Change in a manner adverse
to the holder of Notes, or impair the right to convert the Notes into Common
Stock subject to the terms set forth herein, including Section 15.6, in each
case, without the consent of the holder of each Note so affected, or (ii) reduce
the aforesaid percentage of Notes, the holders of which are required to consent
to any such supplemental indenture, without the consent of the holders of all
Notes then outstanding.

     Upon the written request of the Company, accompanied by a copy of the
resolutions of the Board of Directors certified by its Secretary or Assistant
Secretary authorizing the execution of any such supplemental indenture, and upon
the filing with the Trustee of evidence of the consent of Noteholders as
aforesaid, the Trustee shall join with the Company in the execution of such
supplemental indenture unless such supplemental indenture affects the Trustee's
own rights, duties or immunities under this Indenture or otherwise, in which
case the Trustee may in is discretion, but shall not be obligated to, enter into
such supplemental indenture.

     It shall not be necessary for the consent of the Noteholders under this
Section 11.2 to approve the particular form of any proposed supplemental
indenture, but it shall be sufficient if such consent shall approve the
substance thereof.

     SECTION XI.3 EFFECT OF SUPPLEMENTAL INDENTURE. Any supplemental indenture
executed pursuant to the provisions of this Article XI shall comply with the
Trust Indenture Act, as then in effect; provided that this Section 11.3 shall
not require such supplemental indenture or the Trustee to be qualified under the
Trust 



                                      -58-
<PAGE>   67

Indenture Act prior to the time such qualification is in fact required under the
terms of the Trust Indenture Act or the Indenture has been qualified under the
Trust Indenture Act, nor shall it constitute any admission or acknowledgment by
any party to such supplemental indenture that any such qualification is required
prior to the time such qualification is in fact required under the terms of the
Trust Indenture Act or the Indenture has been qualified under the Trust
Indenture Act. Upon the execution of any supplemental indenture pursuant to the
provisions of this Article XI, this Indenture shall be and be deemed to be
modified and amended in accordance therewith and the respective rights,
limitation of rights, obligations, duties and immunities under this Indenture of
the Trustee, the Company and the holders of Notes shall thereafter be
determined, exercised and enforced hereunder subject in all respects to such
modifications and amendments and all the terms and conditions of any such
supplemental indenture shall be and be deemed to be part of the terms and
conditions of this Indenture for any and all purposes.

     SECTION XI.4 NOTATION ON NOTES. Notes authenticated and delivered after the
execution of any supplemental indenture pursuant to the provisions of this
Article XI may bear a notation in form approved by the Trustee as to any matter
provided for in such supplemental indenture. If the Company or the Trustee shall
so determine, new Notes so modified as to conform, in the opinion of the Trustee
and the Board of Directors, to any modification of this Indenture contained in
any such supplemental indenture may, at the Company's expense, be prepared and
executed by the Company, authenticated by the Trustee (or an authenticating
agent duly appointed by the Trustee pursuant to Section 16.11) and delivered in
exchange for the Notes then outstanding, upon surrender of such Notes then
outstanding.

     SECTION XI.5 EVIDENCE OF COMPLIANCE OF SUPPLEMENTAL INDENTURE TO BE
FURNISHED TRUSTEE. Prior to entering into any supplemental indenture, the
Trustee may request an Officers' Certificate and an Opinion of Counsel as
conclusive evidence that any supplemental indenture executed pursuant hereto
complies with the requirements of this Article XI.


                                   ARTICLE XII

                CONSOLIDATION, MERGER, SALE, CONVEYANCE AND LEASE

     SECTION XII.1 COMPANY MAY CONSOLIDATE ETC. ON CERTAIN TERMS. Subject to the
provisions of Section 12.2, nothing contained in this Indenture or in any of the
Notes shall prevent any consolidation or merger of the Company with or into any
other corporation or corporations (whether or not affiliated with the Company),
or successive consolidations or mergers in which the Company or its successor or
successors shall be a party or parties, or shall prevent any sale, conveyance or
lease (or successive sales, conveyances or leases) of all or substantially all
of the property of the Company, to any other corporation (whether or not
affiliated with the Company), authorized to acquire and operate the same and
which shall be organized under the laws of the United States of America, any
state thereof or the District of Columbia; provided that upon any such
consolidation, merger, sale, conveyance or lease, the due and punctual payment
of the principal of and premium, if any, and interest (including Liquidated
Damages, if any) on all of the Notes, 



                                      -59-
<PAGE>   68

according to their tenor, and the due and punctual performance and observance of
all of the covenants and conditions of this Indenture to be performed by the
Company, shall be expressly assumed, by supplemental indenture satisfactory in
form to the Trustee, executed and delivered to the Trustee by the corporation
(if other than the Company) formed by such consolidation, or into which the
Company shall have been merged, or by the corporation which shall have acquired
or leased such property, and such supplemental indenture shall provide for the
applicable conversion rights set forth in Section 15.6.

     SECTION XII.2 SUCCESSOR CORPORATION TO BE SUBSTITUTED. In case of any such
consolidation, merger, sale, conveyance or lease and upon the assumption by the
successor corporation, by supplemental indenture, executed and delivered to the
Trustee and satisfactory in form to the Trustee, of the due and punctual payment
of the principal of and premium, if any, and interest on all of the Notes and
the due and punctual performance of all of the covenants and conditions of this
Indenture to be performed by the Company, such successor corporation shall
succeed to and be substituted for the Company, with the same effect as if it had
been named herein as the party of the first part. Such successor corporation
thereupon may cause to be signed, and may issue either in its own name or in the
name of Arbor Software Corporation any or all of the Notes issuable hereunder
which theretofore shall not have been signed by the Company and delivered to the
Trustee; and, upon the order of such successor corporation instead of the
Company and subject to all the terms, conditions and limitations in this
Indenture prescribed, the Trustee shall authenticate and shall deliver, or cause
to be authenticated and delivered, any Notes which previously shall have been
signed and delivered by the officers of the Company to the Trustee for
authentication, and any Notes which such successor corporation thereafter shall
cause to be signed and delivered to the Trustee for that purpose. All the Notes
so issued shall in all respects have the same legal rank and benefit under this
Indenture as the Notes theretofore or thereafter issued in accordance with the
terms of this Indenture as though all of such Notes had been issued at the date
of the execution hereof. In the event of any such consolidation, merger, sale,
conveyance or lease, the person named as the "Company" in the first paragraph of
this Indenture or any successor which shall thereafter have become such in the
manner prescribed in this Article XII may be dissolved, wound up and liquidated
at any time thereafter and such person shall be released from its liabilities as
obligor and maker of the Notes and from its obligations under this Indenture. 

     In case of any such consolidation, merger, sale, conveyance or lease, such
changes in phraseology and form (but not in substance) may be made in the Notes
thereafter to be issued as may be appropriate.

     SECTION XII.3 OPINION OF COUNSEL TO BE GIVEN TRUSTEE. The Trustee shall
receive an Officers' Certificate and an Opinion of Counsel as conclusive
evidence that any such consolidation, merger, sale, conveyance or lease and any
such assumption complies with the provisions of this Article XII.


                                  ARTICLE XIII



                                      -60-
<PAGE>   69

                     SATISFACTION AND DISCHARGE OF INDENTURE

     SECTION XIII.1 DISCHARGE OF INDENTURE. When (a) the Company shall deliver
to the Trustee for cancellation all Notes theretofore authenticated (other than
any Notes which have been destroyed, lost or stolen and in lieu of or in
substitution for which other Notes shall have been authenticated and delivered)
and not theretofore canceled, or (b) all the Notes not theretofore canceled or
delivered to the Trustee for cancellation shall have become due and payable, or
are by their terms to become due and payable within one year or are to be called
for redemption within one year under arrangements satisfactory to the Trustee
for the giving of notice of redemption, and the Company shall deposit with the
Trustee, in trust, funds sufficient to pay at maturity or upon redemption of all
of the Notes (other than any Notes which shall have been mutilated, destroyed,
lost or stolen and in lieu of or in substitution for which other Notes shall
have been authenticated and delivered) not theretofore canceled or delivered to
the Trustee for cancellation, including principal and premium, if any, and
interest due or to become due to such date of maturity or redemption date, as
the case may be, accompanied by a verification report, as to the sufficiency of
the deposited amount, from an independent certified accountant or other
financial professional satisfactory to the Trustee, and if the Company shall
also pay or cause to be paid all other sums payable hereunder by the Company,
then this Indenture shall cease to be of further effect (except as to (i)
remaining rights of registration of transfer, substitution and exchange and
conversion of Notes, (ii) rights hereunder of Noteholders to receive payments of
principal of and premium, if any, and interest on, the Notes and the other
rights, duties and obligations of Noteholders, as beneficiaries hereof with
respect to the amounts, if any, so deposited with the Trustee and (iii) the
rights, obligations and immunities of the Trustee hereunder), and the Trustee,
on written demand of the Company accompanied by an Officers' Certificate and an
Opinion of Counsel as required by Section 16.5 and at the cost and expense of
the Company, shall execute proper instruments acknowledging satisfaction of and
discharging this Indenture; the Company, however, hereby agreeing to reimburse
the Trustee for any costs or expenses thereafter reasonably and properly
incurred by the Trustee and to compensate the Trustee for any services
thereafter reasonably and properly rendered by the Trustee in connection with
this Indenture or the Notes.

     SECTION XIII.2 DEPOSITED MONIES TO BE HELD IN TRUST BY TRUSTEE. Subject to
Section 13.4, all monies deposited with the Trustee pursuant to Section 13.1,
provided such deposit was not in violation of Article IV, shall be held in trust
for the sole benefit of the Noteholders and not to be subject to the
subordination provisions of Article IV, and such monies shall be applied by the
Trustee to the payment, either directly or through any paying agent (including
the Company if acting as its own paying agent), to the holders of the particular
Notes for the payment or redemption of which such monies have been deposited
with the Trustee, of all sums due and to become due thereon for principal and
interest and premium, if any.

     SECTION XIII.3 PAYING AGENT TO REPAY MONIES HELD. Upon the satisfaction and
discharge of this Indenture, all monies then held by any paying agent of the
Notes (other than the Trustee) shall, upon written request of the Company, be
repaid to it or paid to the Trustee, and thereupon such paying agent shall be
released from all further liability with respect to such monies.


                                      -61-
<PAGE>   70

     SECTION XIII.4 RETURN OF UNCLAIMED MONIES. Subject to the requirements of
applicable law, any monies deposited with or paid to the Trustee for payment of
the principal of, premium, if any, or interest on Notes and not applied but
remaining unclaimed by the holders of Notes for two years after the date upon
which the principal of, premium, if any, or interest on such Notes, as the case
may be, shall have become due and payable, shall be repaid to the Company by the
Trustee and all liability of the Trustee shall thereupon cease with respect to
such monies; and the holder of any of the Notes shall thereafter look only to
the Company for any payment which such holder may be entitled to collect unless
an applicable abandoned property law designates another Person.

     SECTION XIII.5 REINSTATEMENT. If the Trustee or the paying agent is unable
to apply any money in accordance with Section 13.2 by reason of any order or
judgment of any court or governmental authority enjoining, restraining or
otherwise prohibiting such application, the Company's obligations under this
Indenture and the Notes shall be revived and reinstated as though no deposit had
occurred pursuant to Section 13.1 until such time as the Trustee or the paying
agent is permitted to apply all such money in accordance with Section 13.2;
provided, however, that if the Company makes any payment of interest on or
principal of any Note following the reinstatement of its obligations, the
Company shall be subrogated to the rights of the holders of such Notes to
receive such payment from the money held by the Trustee or paying agent.


                                   ARTICLE XIV

         IMMUNITY OF INCORPORATORS, STOCKHOLDERS, OFFICERS AND DIRECTORS

     SECTION XIV.1 INDENTURE AND NOTES SOLELY CORPORATE OBLIGATIONS. No recourse
for the payment of the principal of or premium, if any, or interest on any Note,
or for any claim based thereon or otherwise in respect thereof, and no recourse
under or upon any obligation, covenant or agreement of the Company in this
Indenture or in any supplemental indenture or in any Note, or because of the
creation of any indebtedness represented thereby, shall be had against any
incorporator, stockholder, employee, agent, officer, or director or subsidiary,
as such, past, present or future, of the Company or of any successor
corporation, either directly or through the Company or any successor
corporation, whether by virtue of any constitution, statute or rule of law, or
by the enforcement of any assessment or penalty or otherwise; it being expressly
understood that all such liability is hereby expressly waived and released as a
condition of, and as a consideration for, the execution of this Indenture and
the issue of the Notes.

                                   ARTICLE XV

                               CONVERSION OF NOTES

     SECTION XV.1 RIGHT TO CONVERT. Subject to and upon compliance with the
provisions of this 



                                      -62-
<PAGE>   71

Indenture, including without limitation Article IV, the holder of any Note shall
have the right, at its option, at any time after ninety (90) days following the
latest date of original issuance thereof through the close of business on March
15, 2005 (except that, with respect to any Note or portion of a Note which shall
be called for redemption, such right shall terminate, except as provided in
Section 15.2 or Section 3.4, at the close of business on the Business Day next
preceding the date fixed for redemption of such Note or portion of a Note unless
the Company shall default in payment due upon redemption thereof) to convert the
principal amount of any such Note, or any portion of such principal amount which
is $1,000 or an integral multiple thereof, into that number of fully paid and
non-assessable shares of Common Stock (as such shares shall then be constituted)
obtained by dividing the principal amount of the Note or portion thereof
surrendered for conversion by the Conversion Price in effect at such time, by
surrender of the Note so to be converted in whole or in part in the manner
provided, together with any required funds, in Section 15.2. A Note in respect
of which a holder is exercising its option to require redemption upon a
Fundamental Change pursuant to Section 3.5 may be converted only if such holder
withdraws its election to exercise in accordance with Section 3.5. A holder of
Notes is not entitled to any rights of a holder of Common Stock until such
holder has converted his Notes to Common Stock, and only to the extent such
Notes are deemed to have been converted to Common Stock under this Article XV.

     SECTION XV.2 EXERCISE OF CONVERSION PRIVILEGE; ISSUANCE OF COMMON STOCK ON
CONVERSION; NO ADJUSTMENT FOR INTEREST OR DIVIDENDS . In order to exercise the
conversion privilege with respect to any Note in certificated form, the holder
of any such Note to be converted in whole or in part shall surrender such Note,
duly endorsed, at an office or agency maintained by the Company pursuant to
Section 5.2, accompanied by the funds, if any, required by the penultimate
paragraph of this Section 15.2, and shall give written notice of conversion in
the form provided on the Notes (or such other notice which is acceptable to the
Company) to the office or agency that the holder elects to convert such Note or
the portion thereof specified in said notice. Such notice shall also state the
name or names (with address or addresses) in which the certificate or
certificates for shares of Common Stock which shall be issuable on such
conversion shall be issued, and shall be accompanied by transfer taxes, if
required pursuant to Section 15.7. Each such Note surrendered for conversion
shall, unless the shares issuable on conversion are to be issued in the same
name as the registration of such Note, be duly endorsed by, or be accompanied by
instruments of transfer in form satisfactory to the Company duly executed by,
the holder or his duly authorized attorney.

     In order to exercise the conversion privilege with respect to any interest
in a Note in global form, the holder must complete the appropriate instruction
form for conversion pursuant to the Depository's book-entry conversion program,
deliver by book-entry delivery an interest in such Note in global form, furnish
appropriate endorsements and transfer documents if required by the Company or
the Trustee or conversion agent, and pay the funds, if any, required by this
Section 15.2 and any transfer taxes if required pursuant to Section 15.7.

     As promptly as practicable after satisfaction of the requirements for
conversion set forth above, subject to compliance with any restrictions on
transfer if shares issuable on conversion are to be issued in a name other than
that of the Noteholder (as if such transfer were a transfer of the Note 



                                      -63-
<PAGE>   72

or Notes (or portion thereof) so converted), the Company shall issue and shall
deliver to such holder at the office or agency maintained by the Company for
such purpose pursuant to Section 5.2, a certificate or certificates for the
number of full shares of Common Stock issuable upon the conversion of such Note
or portion thereof in accordance with the provisions of this Article and a check
or cash in respect of any fractional interest in respect of a share of Common
Stock arising upon such conversion, as provided in Section 15.3. In case any
Note of a denomination greater than $1,000 shall be surrendered for partial
conversion, and subject to Section 2.3, the Company shall execute and the
Trustee shall authenticate and deliver to the holder of the Note so surrendered,
without charge to him, a new Note or Notes in authorized denominations in an
aggregate principal amount equal to the unconverted portion of the surrendered
Note.

     Each conversion shall be deemed to have been effected as to any such Note
(or portion thereof) on the date on which the requirements set forth above in
this Section 15.2 have been satisfied as to such Note (or portion thereof), and
the person in whose name any certificate or certificates for shares of Common
Stock shall be issuable upon such conversion shall be deemed to have become on
said date the holder of record of the shares represented thereby; provided,
however, that any such surrender on any date when the stock transfer books of
the Company shall be closed shall constitute the person in whose name the
certificates are to be issued as the record holder thereof for all purposes on
the next succeeding day on which such stock transfer books are open, but such
conversion shall be at the Conversion Price in effect on the date upon which
such Note shall be surrendered.

     Any Note or portion thereof surrendered for conversion during the period
from the close of business on the record date for any interest payment date to
the close of business on the Business Day next preceding the following interest
payment date shall (unless such Note or portion thereof being converted shall
have been called for redemption on a redemption date which occurs during the
period from the close of business on such record date to the close of business
on the Business Day next preceding the following interest payment date) be
accompanied by payment, in New York Clearing House funds or other funds
acceptable to the Company, of an amount equal to the interest otherwise payable
on such interest payment date on the principal amount being converted; provided,
however, that no such payment need be made if there shall exist at the time of
conversion a default in the payment of interest on the Notes. Except as provided
above in this Section 15.2, no payment or other adjustment shall be made for
interest accrued on any Note converted or for dividends on any shares issued
upon the conversion of such Note as provided in this Article.

     Upon the conversion of an interest in a Note in global form, the Trustee
(or other conversion agent appointed by the Company), or the Custodian at the
direction of the Trustee (or other conversion agent appointed by the Company),
shall make a notation on such Note in global form as to the reduction in the
principal amount represented thereby. The Company shall notify the Trustee in
writing of any conversions of Notes effected through any conversion agent other
than the Trustee.

     SECTION XV.3 CASH PAYMENTS IN LIEU OF FRACTIONAL SHARES. No fractional
shares of Common Stock or scrip representing fractional shares shall be issued
upon conversion of Notes. If 



                                      -64-
<PAGE>   73

more than one Note shall be surrendered for conversion at one time by the same
holder, the number of full shares which shall be issuable upon conversion shall
be computed on the basis of the aggregate principal amount of the Notes (or
specified portions thereof to the extent permitted hereby) so surrendered. If
any fractional share of stock would be issuable upon the conversion of any Note
or Notes, the Company shall make an adjustment and payment therefor in cash at
the current market price thereof to the holder of Notes. The current market
price of a share of Common Stock shall be the Closing Price on the last Business
Day immediately preceding the day on which the Notes (or specified portions
thereof) are deemed to have been converted.

     SECTION XV.4 CONVERSION PRICE. The conversion price shall be as specified
in the form of Note (herein called the "Conversion Price") attached as Exhibit A
hereto, subject to adjustment as provided in this Article XV.

     SECTION XV.5 ADJUSTMENT OF CONVERSION PRICE. The Conversion Price shall be
adjusted from time to time by the Company as follows:

          (a) In case the Company shall hereafter pay a dividend or make a
distribution to all holders of the outstanding Common Stock in shares of Common
Stock, the Conversion Price in effect at the opening of business on the date
following the date fixed for the determination of stockholders entitled to
receive such dividend or other distribution shall be reduced by multiplying such
Conversion Price by a fraction of which the numerator shall be the number of
shares of Common Stock outstanding at the close of business on the date fixed
for such determination and the denominator shall be the sum of such number of
shares and the total number of shares constituting such dividend or other
distribution, such reduction to become effective immediately after the opening
of business on the day following the date fixed for such determination. The
Company will not pay any dividend or make any distribution on shares of Common
Stock held in the treasury of the Company. If any dividend or distribution of
the type described in this Section 15.5(a) is declared but not so paid or made,
the Conversion Price shall again be adjusted to the Conversion Price which would
then be in effect if such dividend or distribution had not been declared.

          (b) In case the Company shall issue rights or warrants to all holders
of its outstanding shares of Common Stock entitling them (for a period expiring
within forty-five (45) days after the date fixed for determination of
stockholders entitled to receive such rights or warrants) to subscribe for or
purchase shares of Common Stock at a price per share less than the Current
Market Price (as defined below) on the date fixed for determination of
stockholders entitled to receive such rights or warrants, the Conversion Price
shall be adjusted so that the same shall equal the price determined by
multiplying the Conversion Price in effect immediately prior to the date fixed
for determination of stockholders entitled to receive such rights or warrants by
a fraction of which the numerator shall be the number of shares of Common Stock
outstanding at the close of business on the date fixed for determination of
stockholders 



                                      -65-
<PAGE>   74

entitled to receive such rights and warrants plus the number of shares which the
aggregate offering price of the total number of shares so offered would purchase
at such Current Market Price, and of which the denominator shall be the number
of shares of Common Stock outstanding on the date fixed for determination of
stockholders entitled to receive such rights and warrants plus the total number
of additional shares of Common Stock offered for subscription or purchase. Such
adjustment shall be successively made whenever any such rights and warrants are
issued, and shall become effective immediately after the opening of business on
the day following the date fixed for determination of stockholders entitled to
receive such rights or warrants. To the extent that shares of Common Stock are
not delivered after the expiration of such rights or warrants, the Conversion
Price shall be readjusted to the Conversion Price which would then be in effect
had the adjustments made upon the issuance of such rights or warrants been made
on the basis of delivery of only the number of shares of Common Stock actually
delivered. In the event that such rights or warrants are not so issued, the
Conversion Price shall again be adjusted to be the Conversion Price which would
then be in effect if such date fixed for the determination of stockholders
entitled to receive such rights or warrants had not been fixed. In determining
whether any rights or warrants entitle the holders to subscribe for or purchase
shares of Common Stock at less than such Current Market Price, and in
determining the aggregate offering price of such shares of Common Stock, there
shall be taken into account any consideration received by the Company for such
rights or warrants, the value of such consideration, if other than cash, to be
determined by the Board of Directors.

          (c) In case outstanding shares of Common Stock shall be subdivided
into a greater number of shares of Common Stock, the Conversion Price in effect
at the opening of business on the day following the day upon which such
subdivision becomes effective shall be proportionately reduced, and conversely,
in case outstanding shares of Common Stock shall be combined into a smaller
number of shares of Common Stock, the Conversion Price in effect at the opening
of business on the day following the day upon which such combination becomes
effective shall be proportionately increased, such reduction or increase, as the
case may be, to become effective immediately after the opening of business on
the day following the day upon which such subdivision or combination becomes
effective. 

          (d) In case the Company shall, by dividend or otherwise, distribute
to all holders of its Common Stock shares of any class of capital stock of the
Company (other than any dividends or distributions to which Section 15.5(a)
applies) or evidences of its indebtedness or assets (including securities, but
excluding any rights or warrants referred to in Section 15.5(b), and excluding
any dividend or distribution (x) paid exclusively in cash or (y) referred to in
Section 15.5(a) (any of the foregoing hereinafter in this Section 15.5(d) called
the "Securities")), then, in each such case (unless the Company elects to
reserve such Securities for distribution to the Noteholders upon the conversion
of the Notes so that any such holder converting Notes will receive upon such
conversion, in addition to the shares of Common Stock to which such holder is
entitled, the amount and kind of such Securities which such holder would have
received if such holder had converted its Notes into Common Stock immediately
prior to the Record Date (as defined in Section 15.5(h) for such distribution of
the Securities)), the Conversion Price shall be reduced so that the same shall
be equal to the price determined by multiplying the Conversion Price in effect
on the Record Date with respect to such distribution by a fraction of which the
numerator shall be the Current Market Price per share of the Common Stock on
such Record Date less the fair market value (as determined by the Board of
Directors, whose determination shall be conclusive, and described in 



                                      -66-
<PAGE>   75

a resolution of the Board if Directors) on the Record Date of the portion of the
Securities so distributed applicable to one share of Common Stock and the
denominator shall be the Current Market Price per share of the Common Stock,
such reduction to become effective immediately prior to the opening of business
on the day following such Record Date; provided, however, that in the event the
then fair market value (as so determined) of the portion of the Securities so
distributed applicable to one share of Common Stock is equal to or greater than
the Current Market Price of the Common Stock on the Record Date, in lieu of the
foregoing adjustment, adequate provision shall be made so that each Noteholder
shall have the right to receive upon conversion the amount of Securities such
holder would have received had such holder converted each Note on the Record
Date. In the event that such dividend or distribution is not so paid or made,
the Conversion Price shall again be adjusted to be the Conversion Price which
would then be in effect if such dividend or distribution had not been declared.
If the Board of Directors determines the fair market value of any distribution
for purposes of this Section 15.5(d) by reference to the actual or when issued
trading market for any securities, it must in doing so consider the prices in
such market over the same period used in computing the Current Market Price of
the Common Stock.

     In the event that the Company implements a stockholders' rights plan
("Rights Plan"), such Rights Plan must provide that, subject to customary
exceptions, upon conversion of the Notes the Holders will receive, in addition
to the Common Stock issuable upon conversion, such rights whether or not such
rights have separated from the Common Stock at the time of such conversion.

     Rights or warrants distributed by the Company to all holders of Common
Stock entitling the holders thereof to subscribe for or purchase shares of the
Company's capital stock (either initially or under certain circumstances), which
rights or warrants, until the occurrence of a specified event or events
("Trigger Event"): (i) are deemed to be transferred with such shares of Common
Stock; (ii) are not exercisable; and (iii) are also issued in respect of future
issuances of Common Stock, shall be deemed not to have been distributed for
purposes of this Section 15.5 (and no adjustment to the Conversion Price under
this Section 15.5 will be required) until the occurrence of the earliest Trigger
Event, whereupon such rights and warrants shall be deemed to have been
distributed and an appropriate adjustment (if any is required) to the Conversion
Price shall be made under this Section 15.5(d). If any such right or warrant,
including any such existing rights or warrants distributed prior to the date of
this Indenture, are subject to events, upon the occurrence of which such rights
or warrants become exercisable to purchase different securities, evidences of
indebtedness or other assets, then the date of the occurrence of any and each
such event shall be deemed to be the date of distribution and record date with
respect to new rights or warrants with such rights (and a termination or
expiration of the existing rights or warrants without exercise by any of the
holders thereof). In addition, in the event of any distribution (or deemed
distribution) of rights or warrants, or any Trigger Event or other event (of the
type described in the preceding sentence) with respect thereto that was counted
for purposes of calculating a distribution amount for which an adjustment to the
Conversion Price under this Section 15.5 was made, (1) in the case of any such
rights or warrants which shall all have been redeemed or repurchased without
exercise by any holders thereof, the Conversion Price shall be readjusted upon
such final redemption or repurchase to give effect to such distribution or
Trigger Event, as the case may be, as though it were a cash 



                                      -67-
<PAGE>   76

distribution, equal to the per share redemption or repurchase price received by
a holder or holders of Common Stock with respect to such rights or warrants
(assuming such holder had retained such rights or warrants), made to all holders
of Common Stock as of the date of such redemption or repurchase, and (2) in the
case of such rights or warrants which shall have expired or been terminated
without exercise by any holders thereof, the Conversion Price shall be
readjusted as if such rights and warrants had not been issued.

     For purposes of this Section 15.5(d) and Sections 15.5(a) and (b), any
dividend or distribution to which this Section 15.5(d) is applicable that also
includes shares of Common Stock, or rights or warrants to subscribe for or
purchase shares of Common Stock (or both), shall be deemed instead to be (1) a
dividend or distribution of the evidences of indebtedness, assets or shares of
capital stock other than such shares of Common Stock or rights or warrants (and
any Conversion Price reduction required by this Section 15.5(d) with respect to
such dividend or distribution shall then be made) immediately followed by (2) a
dividend or distribution of such shares of Common Stock or such rights or
warrants (and any further Conversion Price reduction required by Sections
15.5(a) and (b) with respect to such dividend or distribution shall then be
made), except (A) the Record Date of such dividend or distribution shall be
substituted as "the date fixed for the determination of stockholders entitled to
receive such dividend or other distribution" and "the date fixed for such
determination" within the meaning of Sections 15.5(a) and (b) and (B) any shares
of Common Stock included in such dividend or distribution shall not be deemed
"outstanding at the close of business on the date fixed for such determination"
within the meaning of Section 15.5(a).

          (e) In case the Company shall, by dividend or otherwise, distribute to
all holders of its Common Stock cash (excluding (x) any quarterly cash dividend
on the Common Stock to the extent the aggregate cash dividend per share of
Common Stock in any fiscal quarter does not exceed the greater of (A) the amount
per share of Common Stock of the next preceding quarterly cash dividend on the
Common Stock to the extent that such preceding quarterly dividend did not
require any adjustment of the Conversion Price pursuant to this Section 15.5(e)
(as adjusted to reflect subdivisions or combinations of the Common Stock), and
(B) 3.75% of the arithmetic average of the Closing Price (determined as set
forth in Section 15.5(h)) during the ten Trading Days (as defined in Section
15.5(h)) immediately prior to the date of declaration of such dividend, and (y)
any dividend or distribution in connection with the liquidation, dissolution or
winding up of the Company, whether voluntary or involuntary), then, in such
case, the Conversion Price shall be reduced so that the same shall equal the
price determined by multiplying the Conversion Price in effect immediately prior
to the close of business on such Record Date by a fraction of which the
numerator shall be the Current Market Price of the Common Stock on the record
date less the amount of cash so distributed (and not excluded as provided above)
applicable to one share of Common Stock and the denominator shall be such
Current Market Price of the Common Stock, such reduction to be effective
immediately prior to the opening of business on the day following the record
date; provided, however, that in the event the portion of the cash so
distributed applicable to one share of Common Stock is equal to or greater than
the Current Market Price of the Common Stock on the Record Date, in lieu of the
foregoing adjustment, adequate provision shall be made so that each Noteholder
shall have the right to receive upon conversion the amount of cash such holder
would have received had such holder 



                                      -68-
<PAGE>   77

converted each Note on the Record Date. In the event that such dividend or
distribution is not so paid or made, the Conversion Price shall again be
adjusted to be the Conversion Price which would then be in effect if such
dividend or distribution had not been declared. If any adjustment is required to
be made as set forth in this Section 15.5(e) as a result of a distribution that
is a quarterly dividend, such adjustment shall be based upon the amount by which
such distribution exceeds the amount of the quarterly cash dividend permitted to
be excluded pursuant hereto. If an adjustment is required to be made as set
forth in this Section 15.5(e) above as a result of a distribution that is not a
quarterly dividend, such adjustment shall be based upon the full amount of the
distribution.

          (f) In case a tender or exchange offer made by the Company or any
Subsidiary for all or any portion of the Common Stock shall expire and such
tender or exchange offer (as amended upon the expiration thereof) shall require
the payment to stockholders of consideration per share of Common Stock having a
fair market value (as determined by the Board of Directors, whose determination
shall be conclusive and described in a resolution of the Board if Directors)
that as of the last time (the "Expiration Time") tenders or exchanges may be
made pursuant to such tender or exchange offer (as it may be amended) that
exceeds the Current Market Price of the Common Stock on the Trading Day next
succeeding the Expiration Time, the Conversion Price shall be reduced so that
the same shall equal the price determined by multiplying the Conversion Price in
effect immediately prior to the Expiration Time by a fraction of which the
numerator shall be the number of shares of Common Stock outstanding (including
any tendered or exchanged shares) on the Expiration Time multiplied by the
Current Market Price of the Common Stock on the Trading Day next succeeding the
Expiration Time and the denominator shall be the sum of (x) the fair market
value (determined as aforesaid) of the aggregate consideration payable to
stockholders based on the acceptance (up to any maximum specified in the terms
of the tender or exchange offer) of all shares validly tendered or exchanged and
not withdrawn as of the Expiration Time (the shares deemed so accepted, up to
any such maximum, being referred to as the "Purchased Shares") and (y) the
product of the number of shares of Common Stock outstanding (less any Purchased
Shares) on the Expiration Time and the Current Market Price of the Common Stock
on the Trading Day next succeeding the Expiration Time, such reduction to become
effective immediately prior to the opening of business on the day following the
Expiration Time. In the event that the Company is obligated to purchase shares
pursuant to any such tender or exchange offer, but the Company is permanently
prevented by applicable law from effecting any such purchases or all such
purchases are rescinded, the Conversion Price shall again be adjusted to be the
Conversion Price which would then be in effect if such tender or exchange offer
had not been made.

          (g) In case of a tender or exchange offer made by a person other than
the Company or any Subsidiary for an amount which increases the offeror's
ownership of Common Stock to more than twenty-five percent (25%) of the Common
Stock outstanding and shall involve the payment by such person of consideration
per share of Common Stock having a fair market value (as determined by the Board
of Directors, whose determination shall be conclusive, and described in a
resolution of the Board of Directors) at the last time (the "Offer Expiration
Time") tenders or exchanges may be made pursuant to such tender or exchange
offer (as it shall have been amended) that exceeds the Current Market Price of
the Common Stock on the Trading Day next succeeding the 



                                      -69-
<PAGE>   78

Offer Expiration Time, and in which, as of the Offer Expiration Time the Board
of Directors is not recommending rejection of the offer, the Conversion Price
shall be reduced so that the same shall equal the price determined by
multiplying the Conversion Price in effect immediately prior to the Offer
Expiration Time by a fraction of which the numerator shall be the number of
shares of Common Stock outstanding (including any tendered or exchanged shares)
on the Offer Expiration Time multiplied by the Current Market Price of the
Common Stock on the Trading Day next succeeding the Offer Expiration Time and
the denominator shall be the sum of (x) the fair market value (determined as
aforesaid) of the aggregate consideration payable to stockholders based on the
acceptance (up to any maximum specified in the terms of the tender or exchange
offer) of all shares validly tendered or exchanged and not withdrawn as of the
Offer Expiration Time (the shares deemed so accepted, up to any such maximum,
being referred to as the "Accepted Purchased Shares") and (y) the product of the
number of shares of Common Stock outstanding (less any Accepted Purchased
Shares) on the Offer Expiration Time and the Current Market Price of the Common
Stock on the Trading Day next succeeding the Offer Expiration Time, such
reduction to become effective immediately prior to the opening of business on
the day following the Offer Expiration Time. In the event that such person is
obligated to purchase shares pursuant to any such tender or exchange offer, but
such person is permanently prevented by applicable law from effecting any such
purchases or all such purchases are rescinded, the Conversion Price shall again
be adjusted to be the Conversion Price which would then be in effect if such
tender or exchange offer had not been made. Notwithstanding the foregoing, the
adjustment described in this Section 15.5(g) shall not be made if, as of the
Offer Expiration Time, the offering documents with respect to such offer
disclose a plan or intention to cause the Company to engage in any transaction
described in Article XII.

          (h) For purposes of this Section 15.5, the following terms shall have
the meaning indicated:

              (1) "Closing Price" with respect to any securities on any day
shall mean the closing sale price regular way on such day or, in case no such
sale takes place on such day, the average of the reported closing bid and asked
prices, regular way, in each case on the New York Stock Exchange, or, if such
security is not listed or admitted to trading on such Exchange, on the principal
national security exchange or quotation system on which such security is quoted
or listed or admitted to trading, or, if not quoted or listed or admitted to
trading on any national securities exchange or quotation system, the average of
the closing bid and asked prices of such security on the over-the-counter market
on the day in question as reported by the National Quotation Bureau
Incorporated, or a similar generally accepted reporting service, or if not so
available, in such manner as furnished by any New York Stock Exchange member
firm selected from time to time by the Board of Directors for that purpose, or a
price determined in good faith by the Board of Directors or, to the extent
permitted by applicable law, a duly authorized committee thereof, whose
determination shall be conclusive.

              (2) "Current Market Price" shall mean the average of the daily
Closing Prices per share of Common Stock for the ten consecutive Trading Days
immediately prior to the 



                                      -70-
<PAGE>   79

date in question; provided, however, that (1) if the "ex" date (as hereinafter
defined) for any event (other than the issuance or distribution or Fundamental
Change requiring such computation) that requires an adjustment to the Conversion
Price pursuant to Section 15.5(a), (b), (c), (d), (e), (f) or (g) occurs during
such ten consecutive Trading Days, the Closing Price for each Trading Day prior
to the "ex" date for such other event shall be adjusted by multiplying such
Closing Price by the same fraction by which the Conversion Price is so required
to be adjusted as a result of such other event, (2) if the "ex" date for any
event (other than the issuance, distribution or Fundamental Change requiring
such computation) that requires an adjustment to the Conversion Price pursuant
to Section 15.5(a), (b), (c), (d), (e), (f) or (g) occurs on or after the "ex"
date for the issuance or distribution requiring such computation and prior to
the day in question, the Closing Price for each Trading Day on and after the
"ex" date for such other event shall be adjusted by multiplying such Closing
Price by the reciprocal of the fraction by which the Conversion Price is so
required to be adjusted as a result of such other event, and (3) if the "ex"
date for the issuance, distribution or Fundamental Change requiring such
computation is prior to the day in question, after taking into account any
adjustment required pursuant to clause (1) or (2) of this proviso, the Closing
Price for each Trading Day on or after such "ex" date shall be adjusted by
adding thereto the amount of any cash and the fair market value (as determined
by the Board of Directors or, to the extent permitted by applicable law, a duly
authorized committee thereof in a manner consistent with any determination of
such value for purposes of Section 15.5(d), (f) or (g), whose determination
shall be conclusive and described in a resolution of the Board of Directors or
such duly authorized committee thereof, as the case may be) of the evidences of
indebtedness, shares of capital stock or assets being distributed applicable to
one share of Common Stock as of the close of business on the day before such
"ex" date. For purposes of any computation under Section 15.5(f) or (g), the
Current Market Price of the Common Stock on any date shall be deemed to be the
average of the daily Closing Prices per share of Common Stock for such day and
the next two succeeding Trading Days; provided, however, that if the "ex" date
for any event (other than the tender or exchange offer requiring such
computation) that requires an adjustment to the Conversion Price pursuant to
Section 15.5(a), (b), (c), (d), (e), (f) or (g) occurs on or after the
Expiration Time or Offer Expiration Time, as the case may be, for the tender or
exchange offer requiring such computation and prior to the day in question, the
Closing Price for each Trading Day on and after the "ex" date for such other
event shall be adjusted by multiplying such Closing Price by the reciprocal of
the fraction by which the Conversion Price is so required to be adjusted as a
result of such other event. For purposes of this paragraph, the term "ex" date,
(1) when used with respect to any issuance or distribution, means the first date
on which the Common Stock trades regular way on the relevant exchange or in the
relevant market from which the Closing Price was obtained without the right to
receive such issuance or distribution, (2) when used with respect to any
subdivision or combination of shares of Common Stock, means the first date on
which the Common Stock trades regular way on such exchange or in such market
after the time at which such subdivision or combination becomes effective, and
(3) when used with respect to any tender or exchange offer means the first date
on which the Common Stock trades regular way on such exchange or in such market
after the Offer Expiration Time of such offer.

               (3) "fair market value" shall mean the amount which a willing
buyer would pay a willing seller in an arm's length transaction.



                                      -71-
<PAGE>   80

               (4) "Record Date" shall mean, with respect to any dividend,
distribution or other transaction or event in which the holders of Common Stock
have the right to receive any cash, securities or other property or in which the
Common Stock (or other applicable security) is exchanged for or converted into
any combination of cash, securities or other property, the date fixed for
determination of stockholders entitled to receive such cash, securities or other
property (whether such date is fixed by the Board of Directors or by statute,
contract or otherwise).

               (5) "Trading Day" shall mean (x) if the applicable security is
listed or admitted for trading on the New York Stock Exchange or another
national security exchange, a day on which the New York Stock Exchange or
another national security exchange is open for business or (y) if the applicable
security is quoted on the Nasdaq National Market, a day on which trades may be
made on thereon or (z) if the applicable security is not so listed, admitted for
trading or quoted, any day other than a Saturday or Sunday or a day on which
banking institutions in the State of New York are authorized or obligated by law
or executive order to close.

          (i) The Company may make such reductions in the Conversion Price, in
addition to those required by Sections 15.5 (a), (b), (c), (d), (e), (f) or (g)
as the Board of Directors considers to be advisable to avoid or diminish any
income tax to holders of Common Stock or rights to purchase Common Stock
resulting from any dividend or distribution of stock (or rights to acquire
stock) or from any event treated as such for income tax purposes.

     To the extent permitted by applicable law, the Company from time to time
may reduce the Conversion Price by any amount for any period of time if the
period is at least twenty (20) days, the reduction is irrevocable during the
period and the Board of Directors shall have made a determination that such
reduction would be in the best interests of the Company, which determination
shall be conclusive. Whenever the Conversion Price is reduced pursuant to the
preceding sentence, the Company shall mail to holders of record of the Notes a
notice of the reduction at least fifteen (15) days prior to the date the reduced
Conversion Price takes effect, and such notice shall state the reduced
Conversion Price and the period during which it will be in effect.

          (j) No adjustment in the Conversion Price shall be required unless
such adjustment would require an increase or decrease of at least one percent
(1%) in such price; provided, however, that any adjustments which by reason of
this Section 15.5(j) are not required to be made shall be carried forward and
taken into account in any subsequent adjustment. All calculations under this
Article XV shall be made by the Company and shall be made to the nearest cent or
to the nearest one-hundredth (1/100) of a share, as the case may be. No
adjustment need be made for rights to purchase Common Stock pursuant to a
Company plan for reinvestment of dividends or interest. To the extent the Notes
become convertible into cash, assets, property or securities (other than capital
stock of the Company), no adjustment need be made thereafter as to the cash,
assets, property or such securities. Interest will not accrue on the cash.

          (k) Whenever the Conversion Price is adjusted as herein provided, the
Company 



                                      -72-
<PAGE>   81

shall promptly file with the Trustee and any conversion agent other than the
Trustee an Officers' Certificate setting forth the Conversion Price after such
adjustment and setting forth a brief statement of the facts requiring such
adjustment. Unless and until a Responsible Officer of the Trustee shall have
received such Officers' Certificate, the Trustee shall not be deemed to have
knowledge of any adjustment of the Conversion Price and may assume without
inquiry that the last Conversion Price of which it has knowledge is still in
effect. Promptly after delivery of such certificate, the Company shall prepare a
notice of such adjustment of the Conversion Price setting forth the adjusted
Conversion Price and the date on which each adjustment becomes effective and
shall mail such notice of such adjustment of the Conversion Price to the holder
of each Note at his last address appearing on the Note register provided for in
Section 2.5 of this Indenture, within twenty (20) days after execution thereof.
Failure to deliver such notice shall not affect the legality or validity of any
such adjustment.

          (l) In any case in which this Section 15.5 provides that an adjustment
shall become effective immediately after a record date for an event, the Company
may defer until the occurrence of such event (i) issuing to the holder of any
Note converted after such record date and before the occurrence of such event
the additional shares of Common Stock issuable upon such conversion by reason of
the adjustment required by such event over and above the Common Stock issuable
upon such conversion before giving effect to such adjustment and (ii) paying to
such holder any amount in cash in lieu of any fraction pursuant to Section 15.3.

          (m) For purposes of this Section 15.5, the number of shares of Common
Stock at any time outstanding shall not include shares held in the treasury of
the Company but shall include shares issuable in respect of scrip certificates
issued in lieu of fractions of shares of Common Stock. The Company will not pay
any dividend or make any distribution on shares of Common Stock held in the
treasury of the Company.

     SECTION XV.6 EFFECT OF RECLASSIFICATION, CONSOLIDATION, MERGER OR SALE. If
any of the following events occur, namely (i) any reclassification or change of
the outstanding shares of Common Stock (other than a subdivision or combination
to which Section 15.5(c) applies), (ii) any consolidation, merger or combination
of the Company with another corporation as a result of which holders of Common
Stock shall be entitled to receive stock, securities or other property or assets
(including cash) with respect to or in exchange for such Common Stock, or (iii)
any sale or conveyance of the properties and assets of the Company as, or
substantially as, an entirety to any other corporation as a result of which
holders of Common Stock shall be entitled to receive stock, securities or other
property or assets (including cash) with respect to or in exchange for such
Common Stock, then the Company or the successor or purchasing corporation, as
the case may be, shall execute with the Trustee a supplemental indenture (which
shall comply with the Trust Indenture Act as in force at the date of execution
of such supplemental indenture) providing that such Note shall be convertible
into the kind and amount of shares of stock and other securities or property or
assets (including cash) receivable upon such reclassification, change,
consolidation, merger, combination, sale or conveyance by a holder of a number
of shares of Common Stock issuable upon conversion of such Notes (assuming, for
such purposes, a sufficient number of 



                                      -73-
<PAGE>   82

authorized shares of Common Stock available to convert all such Notes)
immediately prior to such reclassification, change, consolidation, merger,
combination, sale or conveyance assuming such holder of Common Stock did not
exercise his rights of election, if any, as to the kind or amount of securities,
cash or other property receivable upon such consolidation, merger, statutory
exchange, sale or conveyance (provided that, if the kind or amount of
securities, cash or other property receivable upon such consolidation, merger,
statutory exchange, sale or conveyance is not the same for each share of Common
Stock in respect of which such rights of election shall not have been exercised
("nonelecting share")), then for the purposes of this Section 15.6 the kind and
amount of securities, cash or other property receivable upon such consolidation,
merger, statutory exchange, sale or conveyance for each non-electing share shall
be deemed to be the kind and amount so receivable per share by a plurality of
the non-electing shares. Such supplemental indenture shall provide for
adjustments which shall be as nearly equivalent as may be practicable to the
adjustments provided for in this Article.

     The Company shall cause notice of the execution of such supplemental
indenture to be mailed to each holder of Notes, at its address appearing on the
Note register provided for in Section 2.5 of this Indenture, within twenty (20)
days after execution thereof. Failure to deliver such notice shall not affect
the legality or validity of such supplemental indenture.

     The above provisions of this Section shall similarly apply to successive
reclassifications, changes, consolidations, mergers, combinations, sales and
conveyances.

     If this Section 15.6 applies to any event or occurrence, Section 15.5 shall
not apply.

     SECTION XV.7 TAXES ON SHARES ISSUED. The issue of stock certificates on
conversions of Notes shall be made without charge to the converting Noteholder
for any tax in respect of the issue thereof. The Company shall not, however, be
required to pay any tax which may be payable in respect of any transfer involved
in the issue and delivery of stock in any name other than that of the holder of
any Note converted, and the Company shall not be required to issue or deliver
any such stock certificate unless and until the person or persons requesting the
issue thereof shall have paid to the Company the amount of such tax or shall
have established to the satisfaction of the Company that such tax has been paid.

     SECTION XV.8 RESERVATION OF SHARES; SHARES TO BE FULLY PAID; COMPLIANCE
WITH GOVERNMENTAL REQUIREMENTS; LISTING OF COMMON STOC. The Company shall
provide, free from preemptive rights, out of its authorized but unissued shares
or shares held in treasury, sufficient shares of Common Stock to provide for the
conversion of the Notes from time to time as such Notes are presented for
conversion.

     Before taking any action which would cause an adjustment reducing the
Conversion Price below the then par value, if any, of the shares of Common Stock
issuable upon conversion of the Notes, the Company will take all corporate
action which may, in the opinion of its counsel, be necessary in order that the
Company may validly and legally issue shares of such Common Stock at 



                                      -74-
<PAGE>   83

such adjusted Conversion Price.

     The Company covenants that all shares of Common Stock which may be issued
upon conversion of Notes will upon issue be fully paid and non-assessable by the
Company and free from all taxes, liens and charges with respect to the issue
thereof.

     The Company covenants that if any shares of Common Stock to be provided for
the purpose of conversion of Notes hereunder require registration with or
approval of any governmental authority under any federal or state law before
such shares may be validly issued upon conversion, the Company will in good
faith and as expeditiously as possible endeavor to secure such registration or
approval, as the case may be.

     The Company further covenants that if at any time the Common Stock shall be
listed on the Nasdaq National Market or any other national securities exchange
or automated quotation system the Company will, if permitted by the rules of
such exchange or automated quotation system, list and keep listed, so long as
the Common Stock shall be so listed on such exchange or automated quotation
system, all Common Stock issuable upon conversion of the Notes; provided,
however, that if rules of such exchange or automated quotation system permit the
Company to defer the listing of such Common Stock until the first conversion of
the Notes into Common Stock in accordance with the provisions of this Indenture,
the Company covenants to list such Common Stock issuable upon conversion of the
Notes in accordance with the requirements of such exchange or automated
quotation system at such time.

     SECTION XV.9 RESPONSIBILITY OF TRUSTEES. The Trustee and any other
conversion agent shall not at any time be under any duty or responsibility to
any holder of Notes to determine the Conversion Price or whether any facts exist
which may require any adjustment of the Conversion Price, or with respect to the
nature or extent or calculation of any such adjustment when made, or with
respect to the method employed, or herein or in any supplemental indenture
provided to be employed, in making the same. The Trustee and any other
conversion agent shall not be accountable with respect to the validity or value
(or the kind or amount) of any shares of Common Stock, or of any securities or
property, which may at any time be issued or delivered upon the conversion of
any Note; and the Trustee and any other conversion agent make no representations
with respect thereto. Neither the Trustee nor any conversion agent shall be
responsible for any failure of the Company to issue, transfer or deliver any
shares of Common Stock or stock certificates or other securities or property or
cash upon the surrender of any Note for the purpose of conversion or to comply
with any of the duties, responsibilities or covenants of the Company contained
in this Article. Without limiting the generality of the foregoing, neither the
Trustee nor any conversion agent shall be under any responsibility to determine
the correctness of any provisions contained in any supplemental indenture
entered into pursuant to Section 15.6 relating either to the kind or amount of
shares of stock or securities or property (including cash) receivable by
Noteholders upon the conversion of their Notes after any event referred to in
such Section 15.6 or to any adjustment to be made with respect thereto, but,
subject to the provisions of Section 8.1, may accept as conclusive evidence of
the correctness of any such provisions, and shall be protected in relying upon,
the Officers' 



                                      -75-
<PAGE>   84

Certificate (which the Company shall be obligated to file with the Trustee prior
to the execution of any such supplemental indenture) with respect thereto.
Unless and until a Responsible Officer of the Trustee shall have received such
Officers' Certificate, the Trustee shall not be deemed to have any knowledge of
any change in the Conversion Price and may assume without inquiry that the last
Conversion Price of which the Trustee has knowledge remains in effect.

     SECTION XV.10 NOTICE TO HOLDERS PRIOR TO CERTAIN ACTIONS. In case:

          (a) the Company shall declare a dividend (or any other distribution)
on its Common Stock that would require an adjustment in the Conversion Price
pursuant to Section 15.5; or

          (b) the Company shall authorize the granting to the holders of all or
substantially all of its Common Stock of rights or warrants to subscribe for or
purchase any share of any class or any other rights or warrants; or

          (c) of any reclassification or reorganization of the Common Stock of
the Company (other than a subdivision or combination of its outstanding Common
Stock, or a change in par value, or from par value to no par value, or from no
par value to par value), or of any consolidation or merger to which the Company
is a party and for which approval of any stockholders of the Company is
required, or of the sale or transfer of all or substantially all of the assets
of the Company or any Significant Subsidiary; or 

          (d) of the voluntary or involuntary dissolution, liquidation or
winding up of the Company or any Significant Subsidiary;

the Company shall cause to be filed with the Trustee and to be mailed to each
holder of Notes at his address appearing on the Note register provided for in
Section 2.5 of this Indenture, as promptly as possible but in any event at least
fifteen (15) days prior to the applicable date hereinafter specified, a notice
stating (x) the date on which a record is to be taken for the purpose of such
dividend, distribution or rights or warrants, or, if a record is not to be
taken, the date as of which the holders of Common Stock of record to be entitled
to such dividend, distribution or rights are to be determined, or (y) the date
on which such reclassification, consolidation, merger, sale, transfer,
dissolution, liquidation or winding up is expected to become effective or occur,
and the date as of which it is expected that holders of Common Stock of record
shall be entitled to exchange their Common Stock for securities or other
property deliverable upon such reclassification, consolidation, merger, sale,
transfer, dissolution, liquidation or winding up. Failure to give such notice,
or any defect therein, shall not affect the legality or validity of such
dividend, distribution, reclassification, consolidation, merger, sale, transfer,
dissolution, liquidation or winding up.


                                   ARTICLE XVI

                            MISCELLANEOUS PROVISIONS



                                      -76-
<PAGE>   85

     SECTION XVI.1 PROVISIONS BINDING ON COMPANY'S SUCCESSORS. All the
covenants, stipulations, promises and agreements by the Company contained in
this Indenture shall bind its successors and assigns whether so expressed or
not.

     SECTION XVI.2 OFFICIAL ACTS BY SUCCESSOR CORPORATION. Any act or proceeding
by any provision of this Indenture authorized or required to be done or
performed by any board, committee or officer of the Company shall and may be
done and performed with like force and effect by the like board, committee or
officer of any corporation that shall at the time be the lawful sole successor
of the Company.

     SECTION XVI.3 ADDRESS FOR NOTICES, ETC. Any notice or demand which by any
provision of this Indenture is required or permitted to be given or served by
the Trustee or by the holders of Notes on the Company shall be deemed to have
been sufficiently given or made, for all purposes, if given or served by being
deposited postage prepaid by registered or certified mail in a post office
letter box addressed (until another address is filed by the Company with the
Trustee) to Arbor Software Corporation, 1344 Crossman Avenue, Sunnyvale,
California 94089, Attention: Chief Financial Officer. Any notice, direction,
request or demand hereunder to or upon the Trustee shall be deemed to have been
sufficiently given or made, for all purposes, if given or served by being
deposited postage prepaid by registered or certified mail in a post office
letter box addressed to the Corporate Trust Office, which office is, at the date
as of which this Indenture is dated, located at Library Tower, 633 West 5th
Street, 12th Floor, Los Angeles, California 90071, Attention: Corporate Trust
Department (Arbor Software Corporation, 4 1/2% Convertible Subordinated Notes
due 2005). 

     The Trustee, by notice to the Company, may designate additional or
different addresses for subsequent notices or communications.

     Any notice or communication mailed to a Noteholder shall be mailed to him
by first class mail, postage prepaid, at his address as it appears on the Note
register and shall be sufficiently given to him if so mailed within the time
prescribed.

     Failure to mail a notice or communication to a Noteholder or any defect in
it shall not affect its sufficiency with respect to other Noteholders. If a
notice or communication is mailed in the manner provided above, it is duly
given, whether or not the addressee receives it.

     SECTION XVI.4 GOVERNING LAW. This Indenture and each Note shall be deemed
to be a contract made under the laws of New York, and for all purposes shall be
construed in accordance with the laws of New York.

     SECTION XVI.5 EVIDENCE OF COMPLIANCE WITH CONDITIONS PRECEDENT;
CERTIFICATES TO TRUSTEE. Upon any application or demand by the Company to the
Trustee to take any action under any of the provisions of this Indenture, the
Company shall furnish to the Trustee an Officers' Certificate stating that all
conditions precedent, if any, provided for in this Indenture relating to the


                                      -77-
<PAGE>   86

proposed action have been complied with, and an Opinion of Counsel stating that,
in the opinion of such counsel, all such conditions precedent have been complied
with.

     Each certificate or opinion provided for in this Indenture and delivered to
the Trustee with respect to compliance with a condition or covenant provided for
in this Indenture shall include (1) a statement that the person making such
certificate or opinion has read such covenant or condition; (2) a brief
statement as to the nature and scope of the examination or investigation upon
which the statement or opinion contained in such certificate or opinion is
based; (3) a statement that, in the opinion of such person, he has made such
examination or investigation as is necessary to enable him to express an
informed opinion as to whether or not such covenant or condition has been
complied with; and (4) a statement as to whether or not, in the opinion of such
person, such condition or covenant has been complied with.

     SECTION XVI.6 LEGAL HOLIDAYS. In any case where the date of maturity of
interest on or principal of the Notes or the date fixed for redemption of any
Note will not be a Business Day, then payment of such interest on or principal
of the Notes need not be made on such date, but may be made on the next
succeeding Business Day with the same force and effect as if made on the date of
maturity or the date fixed for redemption, and no interest shall accrue for the
period from and after such date.

     SECTION XVI.7 TRUST INDENTURE ACT. This Indenture is hereby made subject
to, and shall be governed by, the provisions of the Trust Indenture Act required
to be part of and to govern indentures qualified under the Trust Indenture Act;
provided, however, that, unless otherwise required by law, notwithstanding the
foregoing, this Indenture and the Notes issued hereunder shall not be subject to
the provisions of subsections (a)(1), (a)(2), and (a)(3) of Section 314 of the
Trust Indenture Act as now in effect or as hereafter amended or modified;
provided, further, that this Section 16.7 shall not require this Indenture or
the Trustee to be qualified under the Trust Indenture Act prior to the time such
qualification is in fact required under the terms of the Trust Indenture Act,
nor shall it constitute any admission or acknowledgment by any party to such
supplemental indenture that any such qualification is required prior to the time
such qualification is in fact required under the terms of the Trust Indenture
Act. If any provision hereof limits, qualifies or conflicts with another
provision hereof which is required to be included in an indenture qualified
under the Trust Indenture Act, such required provision shall control.

     SECTION XVI.8 NO SECURITY INTEREST CREATED. Nothing in this Indenture or in
the Notes, expressed or implied, shall be construed to constitute a security
interest under the Uniform Commercial Code or similar legislation, as now or
hereafter enacted and in effect, in any jurisdiction where property of the
Company or its subsidiaries is located.

     SECTION XVI.9 BENEFITS OF INDENTURE. Nothing in this Indenture or in the
Notes, expressed or implied, shall give to any Person, other than the parties
hereto, any paying agent, any authenticating agent, any Note registrar and their
successors hereunder, the holders of Notes and the holders of Senior
Indebtedness, any benefit or any legal or equitable right, remedy or claim under



                                      -78-
<PAGE>   87

this Indenture.

     SECTION XVI.10 TABLE OF CONTENTS, HEADINGS, ETC. The table of contents and
the titles and headings of the articles and sections of this Indenture have been
inserted for convenience of reference only, are not to be considered a part
hereof, and shall in no way modify or restrict any of the terms or provisions
hereof.

     SECTION XVI.11 AUTHENTICATING AGENT. The Trustee may appoint an
authenticating agent which shall be authorized to act on its behalf and subject
to its direction in the authentication and delivery of Notes in connection with
the original issuance thereof and transfers and exchanges of Notes hereunder,
including under Sections 2.4, 2.5, 2.6, 2.7, 3.3 and 3.5, as fully to all
intents and purposes as though the authenticating agent had been expressly
authorized by this Indenture and those Sections to authenticate and deliver
Notes. For all purposes of this Indenture, the authentication and delivery of
Notes by the authenticating agent shall be deemed to be authentication and
delivery of such Notes "by the Trustee" and a certificate of authentication
executed on behalf of the Trustee by an authenticating agent shall be deemed to
satisfy any requirement hereunder or in the Notes for the Trustee's certificate
of authentication. Such authenticating agent shall at all times be a person
eligible to serve as trustee hereunder pursuant to Section 8.9.

     Any corporation into which any authenticating agent may be merged or
converted or with which it may be consolidated, or any corporation resulting
from any merger, consolidation or conversion to which any authenticating agent
shall be a party, or any corporation succeeding to the corporate trust business
of any authenticating agent, shall be the successor of the authenticating agent
hereunder, if such successor corporation is otherwise eligible under this
Section 16.11, without the execution or filing of any paper or any further act
on the part of the parties hereto or the authenticating agent or such successor
corporation.

     Any authenticating agent may at any time resign by giving written notice of
resignation to the Trustee and to the Company. The Trustee may at any time
terminate the agency of any authenticating agent by giving written notice of
termination to such authenticating agent and to the Company. Upon receiving such
a notice of resignation or upon such a termination, or in case at any time any
authenticating agent shall cease to be eligible under this Section, the Trustee
shall either promptly appoint a successor authenticating agent or itself assume
the duties and obligations of the former authenticating agent under this
Indenture, and upon such appointment of a successor authenticating agent, if
made, shall give written notice of such appointment of a successor
authenticating agent to the Company and shall mail notice of such appointment of
a successor authenticating agent to all holders of Notes as the names and
addresses of such holders appear on the Note register.

     The Trustee agrees to pay to the authenticating agent from time to time
reasonable compensation for its services (to the extent pre-approved by the
Company in writing), and the Trustee shall be entitled to be reimbursed for such
pre-approved payments, subject to Section 8.6.



                                      -79-
<PAGE>   88

     The provisions of Sections 8.2, 8.3, 8.4, 9.3 and this Section 16.11 shall
be applicable to any authenticating agent.

     SECTION XVI.12 EXECUTION IN COUNTERPARTS. This Indenture may be executed in
any number of counterparts, each of which shall be an original, but such
counterparts shall together constitute but one and the same instrument.

     State Street Bank and Trust Company of California, N.A., hereby accepts the
trusts in this Indenture declared and provided, upon the terms and conditions
hereinabove set forth.








                                      -80-
<PAGE>   89

     IN WITNESS WHEREOF, the parties hereto have caused this Indenture to be
duly executed.

                                        ARBOR SOFTWARE CORPORATION



                                        By: /s/ Stephen V. Imbler
                                            ------------------------------------
                                        Name: Stephen V. Imbler
                                        Title: Senior Vice President and
                                               Chief Financial Officer



                                        STATE STREET BANK AND TRUST COMPANY OF 
                                        CALIFORNIA, N.A.,
                                        as Trustee



                                        By: /s/ Mark Henson
                                            ------------------------------------
                                        Name: Mark Henson
                                        Title:    Assistant Vice President





                                      -81-
<PAGE>   90

                                    EXHIBIT A

[For Global Note only:

UNLESS THIS CERTIFICATE IS PRESENTED BY AN AUTHORIZED REPRESENTATIVE OF THE
DEPOSITORY TRUST COMPANY (55 WATER STREET, NEW YORK, NEW YORK) (THE
"DEPOSITARY," WHICH TERM INCLUDES ANY SUCCESSOR DEPOSITARY FOR THE CERTIFICATES)
TO THE COMPANY OR ITS AGENT FOR REGISTRATION OF TRANSFER, EXCHANGE OR PAYMENT,
AND ANY CERTIFICATE ISSUED IS REGISTERED IN THE NAME OF CEDE & CO. OR IN SUCH
OTHER NAME AS REQUESTED BY AN AUTHORIZED REPRESENTATIVE OF THE DEPOSITARY AND
ANY PAYMENT HEREON IS MADE TO CEDE & CO. (OR TO SUCH OTHER ENTITY AS IS
REQUESTED BY AN AUTHORIZED REPRESENTATIVE OF THE DEPOSITARY), ANY TRANSFER,
PLEDGE, OR OTHER USE HEREOF FOR VALUE OR OTHERWISE BY OR TO ANY PERSON IS
WRONGFUL SINCE THE REGISTERED OWNER HEREOF, CEDE & CO., HAS AN INTEREST HEREIN.]

THE NOTE EVIDENCED HEREBY HAS NOT BEEN REGISTERED UNDER THE U.S. SECURITIES ACT
OF 1933, AS AMENDED (THE "SECURITIES ACT"), OR ANY STATE SECURITIES LAWS, AND,
ACCORDINGLY, MAY NOT BE OFFERED OR SOLD WITHIN THE UNITED STATES OR TO, OR FOR
THE ACCOUNT OR BENEFIT OF, U.S. PERSONS EXCEPT AS SET FORTH IN THE FOLLOWING
SENTENCE. BY ITS ACQUISITION HEREOF, THE HOLDER (1) REPRESENTS THAT (A) IT IS A
"QUALIFIED INSTITUTIONAL BUYER" (AS DEFINED IN RULE 144A UNDER THE SECURITIES
ACT) OR (B) IT IS AN INSTITUTIONAL "ACCREDITED INVESTOR" (AS DEFINED IN RULE
501(A)(1), (2), (3) OR (7) UNDER THE SECURITIES ACT) ("INSTITUTIONAL ACCREDITED
INVESTOR") OR (C) IT IS NOT A U.S. PERSON AND IS ACQUIRING THE NOTE EVEDENCED
HEREBY IN AN OFFSHORE TRANSACTION; (2) AGREES THAT IT WILL NOT, PRIOR TO
EXPIRATION OF THE HOLDING PERIOD APPLICABLE TO SALES OF THE NOTE EVIDENCED
HEREBY UNDER RULE 144(K) UNDER THE SECURITIES ACT (OR ANY SUCCESSOR PROVISION),
RESELL OR OTHERWISE TRANSFER THE NOTE EVIDENCED HEREBY OR THE COMMON STOCK
ISSUABLE UPON CONVERSION OF SUCH NOTE WITHIN THE UNITED STATES OR TO, OR FOR THE
ACCOUNT OR BENEFIT OF, U.S. PERSONS EXCEPT (A) TO ARBOR SOFTWARE CORPORATION OR
ANY SUBSIDIARY THEREOF, (B) TO A QUALIFIED INSTITUTIONAL BUYER IN COMPLIANCE
WITH RULE 144A UNDER THE SECURITIES ACT, (C) TO AN INSTITUTIONAL ACCREDITED
INVESTOR THAT, PRIOR TO SUCH TRANSFER, FURNISHES TO STATE STREET BANK AND TRUST
COMPANY OF CALIFORNIA, N.A., AS TRUSTEE (OR A SUCCESSOR TRUSTEE, AS APPLICABLE),
A SIGNED LETTER CONTAINING CERTAIN REPRESENTATIONS AND AGREEMENTS RELATING TO
THE RESTRICTIONS ON TRANSFER OF THE NOTE EVIDENCED HEREBY (THE FORM OF WHICH
LETTER CAN BE OBTAINED FROM SUCH TRUSTEE OR A SUCCESSOR TRUSTEE, AS APPLICABLE),
(D) PURSUANT TO THE EXEMPTION FROM REGISTRATION PROVIDED BY RULE 144 UNDER THE
SECURITIES ACT (IF 



                                      -1-
<PAGE>   91

AVAILABLE) OR (E) PURSUANT TO A REGISTRATION STATEMENT WHICH HAS BEEN DECLARED
EFFECTIVE UNDER THE SECURITIES ACT (AND WHICH CONTINUES TO BE EFFECTIVE AT THE
TIME OF SUCH TRANSFER); (3) PRIOR TO SUCH TRANSFER (OTHER THAN A TRANSFER
PURSUANT TO CLAUSE 2(E) ABOVE), IT WILL FURNISH TO STATE STREET BANK AND TRUST
COMPANY OF CALIFORNIA, N.A., AS TRUSTEE (OR A SUCCESSOR TRUSTEE, AS APPLICABLE),
SUCH CERTIFICATIONS, LEGAL OPINIONS OR OTHER INFORMATION AS THE TRUSTEE MAY
REASONABLY REQUIRE TO CONFIRM THAT SUCH TRANSFER IS BEING MADE PURSUANT TO AN
EXEMPTION FROM, OR IN A TRANSACTION NOT SUBJECT TO, THE REGISTRATION
REQUIREMENTS OF THE SECURITIES ACT AND (4) AGREES THAT IT WILL DELIVER TO EACH
PERSON TO WHOM THE NOTE EVIDENCED HEREBY IS TRANSFERRED A NOTICE SUBSTANTIALLY
TO THE EFFECT OF THIS LEGEND. IN CONNECTION WITH ANY TRANSFER OF THE NOTE
EVIDENCED HEREBY PRIOR TO THE EXPIRATION OF THE HOLDING PERIOD APPLICABLE TO
SALES OF THE NOTE EVIDENCED HEREBY UNDER RULE 144(K) UNDER THE SECURITIES ACT
(OR ANY SUCCESSOR PROVISION), THE HOLDER MUST CHECK THE APPROPRIATE BOX SET
FORTH ON THE REVERSE HEREOF RELATING TO THE MANNER OF SUCH TRANSFER AND SUBMIT
THIS CERTIFICATE TO STATE STREET BANK AND TRUST COMPANY OF CALIFORNIA N.A., AS
TRUSTEE (OR A SUCCESSOR TRUSTEE, AS APPLICABLE). IF THE PROPOSED TRANSFEREE IS A
PURCHASER WHO IS NOT A U.S. PERSON OR AN INSTITUTIONAL ACCREDITED INVESTOR, THE
HOLDER MUST, PRIOR TO SUCH TRANSFER, FURNISH TO STATE STREET BANK AND TRUST
COMPANY OF CALIFORNIA, N.A., AS TRUSTEE (OR A SUCCESSOR TRUSTEE, AS APPLICABLE),
SUCH CERTIFICATIONS, LEGAL OPINIONS OR OTHER INFORMATION AS IT MAY REASONABLY
REQUIRE TO CONFIRM THAT SUCH TRANSFER IS BEING MADE PURSUANT TO AN EXEMPTION
FROM, OR IN A TRANSACTION NOT SUBJECT TO, THE REGISTRATION REQUIREMENTS OF THE
SECURITIES ACT. THIS LEGEND WILL BE REMOVED UPON THE EARLIER OF THE TRANSFER OF
THE NOTE EVIDENCED HEREBY PURSUANT TO CLAUSE 2(E) ABOVE OR UPON ANY TRANSFER OF
THE NOTES EVIDENCED HEREBY UNDER RULE 144(K) UNDER THE SECURITIES ACT (OR ANY
SUCCESSOR PROVISION).





                                      -2-
<PAGE>   92

                           ARBOR SOFTWARE CORPORATION

                  4 1/2% CONVERTIBLE SUBORDINATED NOTE DUE 2005

No:____                                                             CUSIP:______

- -------                                                               $ --------

     ARBOR SOFTWARE CORPORATION, a corporation duly organized and validly
existing under the laws of the State of Delaware (herein called the "Company"),
which term includes any successor corporation under the Indenture referred to on
the reverse hereof, for value received hereby promises to pay to
____________________________ or registered assigns, the principal sum of
__________________ ($____________) on March 15, 2005, at the office or agency of
the Company maintained for that purpose in accordance with the terms of the
Indenture, or, at the option of the holder of this Note, at the Corporate Trust
Office, in such coin or currency of the United States of America as at the time
of payment shall be legal tender for the payment of public and private debts,
and to pay interest, semi-annually on March 15 and September 15, of each year,
commencing September 15, 1998, on said principal sum at said office or agency,
in like coin or currency, at the rate per annum of 4 1/2% from March 17, 1998
and thereafter to maturity from the March 15 or September 15, as the case may
be, next preceding the date of this Note to which interest has been paid or duly
provided for, unless the date hereof is a date to which interest has been paid
or duly provided for, in which case from the date of this Note, or unless no
interest has been paid or duly provided for on the Notes, in which case from
March 17, 1998, until payment of said principal sum has been made or duly
provided for. Notwithstanding the foregoing, if the date hereof is after any
March 1 or September 1, as the case may be, and before the following March 15 or
September 15, this Note shall bear interest from such March 15 or September 15;
provided, however, that if the Company shall default in the payment of interest
due on such March 15 or September 15, then this Note shall bear interest from
the next preceding March 15 or September 15, to which interest has been paid or
duly provided for or, if no interest has been paid or duly provided for on such
Note, from March 17, 1998. The interest payable on the Note pursuant to the
Indenture on any March 15 or September 15 will be paid to the person entitled
thereto as it appears in the Note register at the close of business on the
record date, which shall be the March 1 or September 1 (whether or not a
Business Day) next preceding such March 15 or September 15, as provided in the
Indenture; provided that any such interest not punctually paid or duly provided
for shall be payable as provided in the Indenture. Interest may, at the option
of the Company, be paid either (i) by check mailed to the registered address of
such person (provided that the holder of Notes with an aggregate principal
amount in excess of $2,000,000 shall, at the written election of such holder, be
paid by wire transfer in immediately available funds) or (ii) by transfer to an
account maintained by such person located in the United States; provided,
however, that payments to the Depositary will be made by wire transfer of
immediately available funds to the account of the Depositary or its nominee.

     Reference is made to the further provisions of this Note set forth on the
reverse hereof, including, without limitation, provisions subordinating the
payment of principal of and premium, if 



                                      -3-
<PAGE>   93

any, and interest on the Notes to the prior payment in full of all Senior
Indebtedness, as defined in the Indenture, and provisions giving the holder of
this Note the right to convert this Note into Common Stock of the Company on the
terms and subject to the limitations referred to on the reverse hereof and as
more fully specified in the Indenture. Such further provisions shall for all
purposes have the same effect as though fully set forth at this place.

     This Note shall be deemed to be a contract made under the laws of the State
of New York, and for all purposes shall be construed in accordance with and
governed by the laws of said State.

     This Note shall not be valid or become obligatory for any purpose until the
certificate of authentication hereon shall have been manually signed by the
Trustee or a duly authorized authenticating agent under the Indenture.


     IN WITNESS WHEREOF, the Company has caused this Note to be duly executed
under its corporate seal to be affixed or imported hereon.

                                        ARBOR SOFTWARE CORPORATION


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


                                        Attest:
                                                --------------------------------
                                                Name:
                                                Title:


Dated: ____________________

TRUSTEE'S CERTIFICATE OF AUTHENTICATION

This is one of the Notes described in the within-named Indenture.

STATE STREET BANK AND TRUST COMPANY
OF CALIFORNIA, N.A., as Trustee


By:
    ---------------------------------
          Authorized Signatory





                                      -4-
<PAGE>   94

By:.
     --------------------------------
          As Authenticating Agent
        (if different from Trustee)














                                      -5-
<PAGE>   95

                            [FORM OF REVERSE OF NOTE]

                           ARBOR SOFTWARE CORPORATION

                  4 1/2% CONVERTIBLE SUBORDINATED NOTE DUE 2005

     This Note is one of a duly authorized issue of Notes of the Company,
designated as its 4 1/2% Convertible Subordinated Notes due 2005 (herein called
the "Notes"), limited to the aggregate principal amount of $100,000,000 all
issued or to be issued under and pursuant to an indenture dated as of March 15,
1998 (herein called the "Indenture"), between the Company and State Street Bank
and Trust Company of California, N.A., as trustee (herein called the "Trustee"),
to which Indenture and all indentures supplemental thereto reference is hereby
made for a description of the rights, limitations of rights, obligations, duties
and immunities thereunder of the Trustee, the Company and the holders of the
Notes.

     In case an Event of Default, as defined in the Indenture, shall have
occurred and be continuing, the principal of, premium, if any, and accrued
interest (including Liquidated Damages, if any) on all Notes may be declared,
and upon said declaration shall become, due and payable, in the manner, with the
effect and subject to the conditions provided in the Indenture.

     The Indenture contains provisions permitting the Company and the Trustee,
with the consent of the holders of not less than a majority in aggregate
principal amount of the Notes at the time outstanding, evidenced as in the
Indenture provided, to execute supplemental indentures adding any provisions to
or changing in any manner or eliminating any of the provisions of the Indenture
or of any supplemental indenture or modifying in any manner the rights of the
holders of the Notes; provided, however, that no such supplemental indenture
shall (i) extend the fixed maturity of any Note, or reduce the rate or extend
the time of payment of interest thereon, or reduce the principal amount thereof
or premium, if any, thereon, or reduce any amount payable on redemption thereof,
or impair the right of any Noteholder to institute suit for the payment thereof,
or make the principal thereof or interest or premium, if any, thereon payable in
any coin or currency other than that provided in the Note, or modify the
provisions of the Indenture with respect to the subordination of the Notes in a
manner adverse to the Noteholders in any material respect, or change the
obligation of the Company to make redemption of any Note upon the happening of a
Fundamental Change in a manner adverse to the holder of the Notes, or impair the
right to convert the Notes into Common Stock subject to the terms set forth in
the Indenture, including Section 15.6 thereof, without the consent of the holder
of each Note so affected or (ii) reduce the aforesaid percentage of Notes, the
holders of which are required to consent to any such supplemental indenture,
without the consent of the holders of all Notes then outstanding. It is also
provided in the Indenture that, prior to any declaration accelerating the
maturity of the Notes, the holders of a majority in aggregate principal amount
of the Notes at the time outstanding may on behalf of the holders of all of the
Notes waive any past default or Event of Default under the Indenture and its
consequences except a default in the payment of interest (including Liquidated
Damages, if any) or any premium on or the principal of 



                                      -6-
<PAGE>   96

any of the Notes, a default in the payment of redemption price pursuant to
Article III or a failure by the Company to convert any Notes into Common Stock
of the Company. Any such consent or waiver by the holder of this Note (unless
revoked as provided in the Indenture) shall be conclusive and binding upon such
holder and upon all future holders and owners of this Note and any Notes which
may be issued in exchange or substitute hereof, irrespective of whether or not
any notation thereof is made upon this Note or such other Notes.

     The indebtedness evidenced by the Notes is, to the extent and in the manner
provided in the Indenture, expressly subordinate and subject in right of payment
to the prior payment in full of all Senior Indebtedness of the Company, as
defined in the Indenture, whether outstanding at the date of the Indenture or
thereafter incurred, and this Note is issued subject to the provisions of the
Indenture with respect to such subordination. Each holder of this Note, by
accepting the same, agrees to and shall be bound by such provisions and
authorizes the Trustee on its behalf to take such action as may be necessary or
appropriate to effectuate the subordination so provided and appoints the Trustee
his attorney-in-fact for such purpose.

     No reference herein to the Indenture and no provision of this Note or of
the Indenture shall alter or impair the obligation of the Company, which is
absolute and unconditional, to pay the principal of and any premium and interest
(including Liquidated Damages, if any) on this Note at the place, at the
respective times, at the rate and in the coin or currency herein prescribed.

     Interest on the Notes shall be computed on the basis of a year of twelve
30-day months.

     The Notes are issuable in registered form without coupons in denominations
of $1,000 and any integral multiple of $1,000. At the office or agency of the
Company referred to on the face hereof, and in the manner and subject to the
limitations provided in the Indenture, without payment of any service charge but
with payment of a sum sufficient to cover any tax or other governmental charge
that may be imposed in connection with any registration or exchange of Notes,
Notes may be exchanged for a like aggregate principal amount of Notes of other
authorized denominations.

     The Notes will not be redeemable at the option of the Company prior to
March 20, 2001. At any time on or after March 20, 2001, and prior to maturity,
the Notes may be redeemed at the option of the Company as a whole, or from time
to time in part, upon mailing a notice of such redemption not less than 30 days
before the date fixed for redemption to the holders of Notes at their last
registered addresses, all as provided in the Indenture, at the following
optional redemption prices (expressed as percentages of the principal amount),
together in each case with accrued interest (including Liquidated Damages, if
any) to, but excluding, the date fixed for redemption:



                                      -7-
<PAGE>   97

     If redeemed during the period beginning March 20, 2001 and ending on March
14, 2002, at a redemption price of 102.571%, and if redeemed during the 12-month
period beginning March 15:

<TABLE>
<CAPTION>
YEAR                                                               REDEMPTION PRICE
- ----                                                               ----------------
<S>                                                                   <C>     
2002............................................................      101.929%
2003............................................................      101.286
2004............................................................      100.643
</TABLE>

and 100% at March 15, 2005; provided that if the date fixed for redemption is on
March 15 or September 15, then the interest payable on such date shall be paid
to the holder of record on the next preceding March 1 or September 1,
respectively.

     The Notes are not subject to redemption through the operation of any
sinking fund.

     If a Fundamental Change (as defined in the Indenture) occurs at any time
prior to March 15, 2005, the Notes will be redeemable on the 30th day after
notice thereof at the option of the holder. Such payment shall be made at
104.500% from the date of initial issuance of the Notes until March 14, 1999; at
103.857% from March 15, 1999 until March 14, 2000; at 103.214% from March 15,
2000 until March 19, 2001; at 102.571% from March 20, 2001 until March 14, 2002;
and at the following prices (expressed as percentages of the principal amount)
in the event of a Fundamental Change occurring during the 12-month period
beginning March 15:

<TABLE>
<CAPTION>
YEAR                                                             REDEMPTION PRICE
- ----                                                             ----------------
<S>                                                                  <C>     
2002............................................................     101.929%
2003............................................................     101.286
2004............................................................     100.643
</TABLE>

and 100% at March 15, 2005; provided in each case that if the Applicable Price
(as defined in the Indenture) is less than the Reference Market Price (as
defined in the Indenture), the Company shall redeem such Notes at a price equal
to the foregoing repayment price multiplied by the fraction obtained by dividing
the Applicable Price by the Reference Market Price. In each case, the Company
shall also pay accrued interest, if any (including Liquidated Damages, if any)
on such Notes to, but excluding, the Repurchase Date; provided that if such
Repurchase Date is March 15 or September 15, then the interest payable on such
date shall be paid to the holder of record of the Note on the next preceding
March 1 or September 1. The Company shall mail to all holders of record of the
Notes a notice of the occurrence of a Fundamental Change and of the redemption
right arising as a result thereof on or before the 10th day after the occurrence
of such Fundamental Change. For a Note to be so repaid at the option of the
holder, the Company must receive at the office or agency of the Company
maintained for that purpose in accordance with the terms of the Indenture, such
Note with the form entitled "Option to Elect Repayment Upon a Fundamental
Change" on the reverse thereof duly completed, together with such Notes duly
endorsed for transfer, on or before the 30th day after the date of such notice
(or if such 30th day is not a Business Day, the immediately preceding Business
Day).

           Subject to the provisions of the Indenture, the holder hereof has the
right, at its option, at any time after 90 days following the latest date of
original issuance thereof through the close of business on March 15, 2005, or,
as to all or any portion hereof called for redemption, prior to the close of
business on the Business Day immediately preceding the date fixed for redemption
(unless the 



                                      -8-
<PAGE>   98

Company shall default in payment due upon redemption thereof), to convert the
principal hereof or any portion of such principal which is $1,000 or an integral
multiple thereof into that number of shares of the Company's Common Stock, as
said shares shall be constituted at the date of conversion, obtained by dividing
the principal amount of this Note or portion thereof to be converted by the
Conversion Price of $56.357 or such Conversion Price as adjusted from time to
time as provided in the Indenture, upon surrender of this Note, together with a
conversion notice as provided in the Indenture, to the Company at the office or
agency of the Company maintained for that purpose in accordance with the terms
of the Indenture, or at the option of such holder, the Corporate Trust Office,
and, unless the shares issuable on conversion are to be issued in the same name
as this Note, duly endorsed by, or accompanied by instruments of transfer in
form satisfactory to the Company duly executed by, the holder or by his duly
authorized attorney. No adjustment in respect of interest or dividends will be
made upon any conversion; provided, however, that if this Note shall be
surrendered for conversion during the period from the close of business on any
record date for the payment of interest to the close of business on the Business
Day preceding the interest payment date, this Note (unless it or the portion
being converted shall have been called for redemption during the period from the
close of business on any record date for the payment of interest to the close of
business on the Business Day preceding the interest payment date) must be
accompanied by an amount, in New York Clearing House funds or other funds
acceptable to the Company, equal to the interest payable on such interest
payment date on the principal amount being converted. No fractional shares will
be issued upon any conversion, but an adjustment in cash will be made, as
provided in the Indenture, in respect of any fraction of a share which would
otherwise be issuable upon the surrender of any Note or Notes for conversion.

     Any Notes called for redemption, unless surrendered for conversion on or
before the close of business on the date fixed for redemption, may be deemed to
be purchased from the holder of such Notes at an amount equal to the applicable
redemption price, together with accrued interest (including Liquidated Damages,
if any) to (but excluding) the date fixed for redemption, by one or more
investment bankers or other purchasers who may agree with the Company to
purchase such Notes from the holders thereof and convert them into Common Stock
of the Company and to make payment for such Notes as aforesaid to the Trustee in
trust for such holders.

     Upon due presentment for registration of transfer of this Note at the
office or agency of the Company maintained for that purpose in accordance with
the terms of the Indenture, or at the option of the holder of this Note, at the
Corporate Trust Office, a new Note or Notes of authorized denominations for an
equal aggregate principal amount will be issued to the transferee in exchange
thereof; subject to the limitations provided in the Indenture, without charge
except for any tax or other governmental charge imposed in connection therewith.

     The Company, the Trustee, any authenticating agent, any paying agent, any
conversion agent and any Note registrar may deem and treat the registered holder
hereof as the absolute owner of this Note (whether or not this Note shall be
overdue and notwithstanding any notation of ownership or other writing hereon
made by anyone other than the Company or any Note registrar), for the purpose of
receiving payment hereof, or on account hereof, for the conversion hereof and
for all other 



                                      -9-
<PAGE>   99

purposes, and neither the Company nor the Trustee nor any other authenticating
agent nor any paying agent nor any other conversion agent nor any Note registrar
shall be affected by any notice to the contrary. All payments made to or upon
the order of such registered holder shall, to the extent of the sum or sums
paid, satisfy and discharge liability for monies payable on this Note.

     No recourse for the payment of the principal of or any premium or interest
on this Note, or for any claim based hereon or otherwise in respect hereof; and
no recourse under or upon any obligation, covenant or agreement of the Company
in the Indenture or any indenture supplemental thereto or in any Note, or
because of the creation of any indebtedness represented thereby, shall be had
against any incorporator, stockholder, employee, agent, officer or director or
subsidiary, as such, past, present or future, of the Company or of any successor
corporation, either directly or through the Company or any successor
corporation, whether by virtue of any constitution, statute or rule of law or by
the enforcement of any assessment or penalty or otherwise, all such liability
being, by the acceptance hereof and as part of the consideration for the issue
hereof, expressly waived and released.

     This Note shall be deemed to be a contract made under the laws of New York,
and for all purposes shall be construed in accordance with the laws of New York,
without regard to principles of conflicts of laws.

     Terms used in this Note and defined in the Indenture are used herein as
therein defined.











                                      -10-
<PAGE>   100

                                  ABBREVIATIONS


     The following abbreviations, when used in the inscription of the face of
this Note, shall be construed as though they were written out in full according
to applicable laws or regulations:

<TABLE>
<S>        <C>                                        <C>
TEN COM -  as tenants in common                       UNIF GIFT MIN ACT -- ___________ Custodian ____________
TEN ENT -  as tenant by the entireties                                            (Cust)                (Minor)
JT TEN -   as joint tenants with right of             under Uniform Gifts to Minors Act
           survivorship and not as tenants in
           common                                     -------------------------------------------------------
                                                                             (State)
</TABLE>


                    Additional abbreviations may also be used
                          though not in the above list.






                                      -11-
<PAGE>   101

                                CONVERSION NOTICE


To:  Arbor Software Corporation

     The undersigned registered owner of this Note hereby irrevocably exercises
the option to convert this Note, or the portion hereof (which is $1,000 or an
integral multiple thereof) below designated, into shares of Common Stock of
Arbor Software Corporation in accordance with the terms of the Indenture
referred to in this Note, and directs that the shares issuable and deliverable
upon such conversion, together with any check in payment for fractional shares
and any Notes representing any unconverted principal amount hereof, be issued
and delivered to the registered holder hereof unless a different name has been
indicated below. If shares or any portion of this Note not converted are to be
issued in the name of a person other than the undersigned, the undersigned will
check the appropriate box below and pay all transfer taxes payable with respect
thereto. Any amount required to be paid to the undersigned on account of
interest accompanies this Note.

Dated: ________________

                                        ----------------------------------------

                                        ----------------------------------------
                                        Signature(s)

                                        
                                        Signature(s) must be guaranteed by a
                                        commercial bank or trust company or a
                                        member firm of a major stock exchange if
                                        shares of Common Stock are to be issued,
                                        or Notes to be delivered, other than to
                                        and in the name of the registered
                                        holder.


                                        ----------------------------------------
                                        Signature Guarantee






                                      -12-
<PAGE>   102

Fill in for registration of shares of Common Stock if to be issued, and Notes if
to be delivered, other than to and in the name of the registered holder:




(Name)



(Street Address)



(City, State and Zip Code)


Please print name and address


Principal amount to be converted
(if less than all):  $____________


Social Security or Other Taxpayer
Identification Number ____________








                                      -13-
<PAGE>   103

                            OPTION TO ELECT REPAYMENT
                            UPON A FUNDAMENTAL CHANGE


TO:  ARBOR SOFTWARE CORPORATION

     The undersigned registered owner of this Note hereby irrevocably
acknowledges receipt of a notice from Arbor Software Corporation (the "Company")
as to the occurrence of a Fundamental Change with respect to the Company and
requests and instructs the Company to repay the entire principal amount of this
Note, or the portion thereof (which is $1,000 or an integral multiple thereof)
below designated, in accordance with the terms of the Indenture referred to in
this Note at the redemption price, together with accrued interest to, but
excluding, such date, to the registered holder hereof.

Dated:
       ------------------------------   ----------------------------------------


                                        ----------------------------------------
                                        Signature(s)

                                        NOTICE: The above signatures of the
                                        holder(s) hereof must correspond with
                                        the name as written upon the face of the
                                        Note in every particular without
                                        alteration or enlargement or any change
                                        whatever.

                                        Principal amount to be converted (if
                                        less than all):

                                               $----------



                                        ----------------------------------------
                                        Social Security or Other Taxpayer
                                        Identification Number








<PAGE>   104

                                   ASSIGNMENT


     For value received ______________________________ hereby sell(s), assign(s)
and transfer(s) unto ______________________________ (Please insert social
security or other Taxpayer Identification Number of assignee) the within Note,
and hereby irrevocably constitutes and appoints _________________________
attorney to transfer the said Note on the books of the Company, with full power
of substitution in the premises.

     In connection with any transfer of the Note within the United States or to,
or for account or benefit of, U.S. persons within the period prior to the
expiration of the holding period applicable to sales thereof under Rule 144(k)
under the Securities Act (or any successor provision) (other than any transfer
pursuant to a registration statement that has been declared effective under the
Securities Act), the undersigned confirms that such Note is being transferred:

     [ ] To Arbor Software Corporation or a subsidiary thereof, or

     [ ] Pursuant to and in compliance with Rule 144A under the Securities Act 
         of 1933, as amended; or

     [ ] To an Institutional Accredited Investor pursuant to and in compliance 
         with the Securities Act of 1933, as amended; or

     [ ] Pursuant to and in compliance with Rule 144 under the Securities Act of
         1933, as amended;

and unless the box below is checked, the undersigned confirms that such Note is
not being transferred to an "affiliate" of the Company as defined in Rule 144
under the Securities Act of 1933, as amended (an "Affiliate").

     [ ] The transferee is an Affiliate of the Company.

Dated:
       ------------                     ----------------------------------------


                                        ----------------------------------------
                                        Signature(s)

                                        Signature(s) must be guaranteed by a
                                        commercial bank or trust company or a
                                        member firm of a major stock exchange if
                                        shares of Common Stock are to be issued,
                                        or Notes to be delivered, other than to
                                        or in the name of the registered holder.




<PAGE>   105

                                        ----------------------------------------
                                        Signature Guarantee


NOTICE: The signature on the conversion notice, the option to elect repayment
upon a Fundamental Change or the assignment must correspond with the name as
written upon the face of the Note in every particular without alteration or
enlargement or any change whatever.














<PAGE>   106

                                    EXHIBIT B


Arbor Software Corporation
1344 Crossman Avenue
Sunnyvale, California 94089

State Street Bank and Trust Company
  of California, N.A.
Library Tower
633 West 5th Street
12th Floor
Los Angeles, California  90071
Attn:  Corporate Trust Department

Ladies/Gentlemen:


     We are delivering this letter in connection with an offering by Arbor
Software Corporation of 4 1/2% Convertible Subordinated Notes due 2005 (the
"Notes), which are convertible into shares of Common Stock, $.01 par value (the
"Common Stock"), all as described in the Offering Memorandum (the "Offering
Memorandum") relating to the offering. We hereby confirm that:

     o    we are an "accredited investor" within the meaning of Rule 501(a)(1),
          (2) or (3) under the Securities Act of 1933, as amended (the
          "Securities Act"), or an entity in which all of the equity owners are
          accredited investors within the meaning of Rule 501(a)(1), (2) or (3)
          under the Securities Act (an "Institutional Accredited Investor");

     o    (A) any purchase of Notes by us will be for our own account or for the
          account of one or more other Institutional Accredited Investors or as
          fiduciary for the account of one or more trusts, each of which is an
          "accredited investor" within the meaning of Rule 501(a)(7) under the
          Securities Act and for each of which we exercise sole investment
          discretion or (B) we are a "bank," within the meaning of Section
          3(a)(2) of the Securities Act, or a "savings and loan association" or
          other institution described in Section 3(a)(5)(A) of the Securities
          Act that is acquiring Notes as fiduciary for the account of one or
          more institutions for which we exercise sole investment discretion;

     o    in the event that we purchase any Notes, we will acquire Notes having
          a minimum principal purchase price of not less than $100,000 for our
          own account or for any separate account for which we are acting;

     o    we have such knowledge and experience in financial and business
          matters that we are capable of evaluating the merits and risks of
          purchasing Notes;



<PAGE>   107

     o    we are not acquiring Notes with a view to distribution thereof or with
          any present intention of offering or selling Notes or the Common Stock
          issuable upon conversion thereof, except as permitted below; provided
          that the disposition of our property and property of any accounts for
          which we are acting as fiduciary shall remain at all times within our
          control; and

     o    we have received a copy of the Offering Memorandum and acknowledge
          that we have had access to such financial and other information, and
          have been afforded the opportunity to ask such questions or
          representatives of the Company and receive answers thereto, as we deem
          necessary in connection with our decision to purchase Notes.


     We understand that the Notes are being offered in a transaction not
involving any public offering within the United States within the meaning of the
Securities Act and that the Notes and the Common Stock issuable upon conversion
thereof have not been registered under the Securities Act, and we agree, on our
own behalf and on behalf of each account for which we acquire any Notes, that if
in the future we decide to resell or otherwise transfer such Notes or the Common
Stock issuable upon conversion thereof, such Notes or Common Stock may be resold
or otherwise transferred within the United States or to, or for the account or
benefit of, U.S. Persons only (i) to the Company or any subsidiary thereof, (ii)
to a person who is a "qualified institutional buyer" (as defined in Rule 144A
under the Securities Act) in a transaction meeting the requirements of Rule
144A, (iii) to an Institutional Accredited Investor that, prior to such
transfer, furnishes to the Trustee for the Notes (or in the case of Common
Stock, the transfer agent therefor) a signed letter containing certain
representations and agreements relating to the restrictions on transfer of such
securities (the form of which letter can be obtained from the Trustee or
transfer agent, as the case may be), (iv) pursuant to the exemption from
registration provided by Rule 144 under the Securities Art (if applicable), or
(v) pursuant to a registration statement that has been declared effective under
the Securities Act (and which continues to be effective at the time of such
transfer), and in each case, in accordance with any applicable securities laws
of any State of the United States or any other applicable jurisdiction and in
accordance with the legends set forth on the Notes or the Common Stock issuable
upon conversion thereof. We further agree to provide any person purchasing any
of the Notes or the Common Stock issuable upon conversion thereof (other than
pursuant to clause (v) above) from us a notice advising such purchaser that
resales of such securities are restricted as stated herein. We understand that
the Trustee or transfer agent for the Notes and the Common Stock will not be
required to accept for registration of transfer any Notes or Common Stock issued
upon conversion of the Notes, except upon presentation of evidence satisfactory
to the Company that the foregoing restrictions on transfer have been complied
with. We further understand that any Notes and any Common Stock issued upon
conversion of the Notes will be in the form of definitive physical certificates
and that such certificates will bear a legend reflecting the substance of this
paragraph other than pursuant to clause (v) above.




<PAGE>   108

     We acknowledge that the Company, others and you will rely upon our
confirmations, acknowledgments and agreements set forth herein, and we agree to
notify you promptly in writing if any of our representations or warranties
herein ceases to be accurate and complete.

     THIS LETTER SHALL BE GOVERNED BY, AND CONSTRUED IN ACCORDANCE WITH, THE
INTERNAL LAWS OF THE STATE OF NEW YORK



                                        ----------------------------------------
                                        (Name of Purchaser)



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

                                        ----------------------------------------

                                        ----------------------------------------






<PAGE>   1
                                                                     EXHIBIT 4.6

     THIS REGISTRATION RIGHTS AGREEMENT is made and entered into as of March 15,
1998 by and among Arbor Software Corporation, a Delaware corporation ("the
Company"), and Morgan Stanley & Co. Incorporated and BancAmerica Robertson
Stephens (the "Initial Purchasers") pursuant to the Purchase Agreement, dated as
of March 11, 1998 (the "Purchase Agreement"), among the Company and the Initial
Purchasers. In order to induce the Initial Purchasers to enter into the Purchase
Agreement, the Company has agreed to provide the registration rights set forth
in this Agreement. The execution of this Agreement is a condition to the closing
under the Purchase Agreement.

     The Company agrees with the Initial Purchasers, (i) for their benefit as
Initial Purchasers and (ii) for the benefit of the beneficial owners (including
the Initial Purchasers) from time to time of the Notes (as defined herein) and
the beneficial owners from time to time of the Underlying Common Stock (as
defined herein) issued upon conversion of the Notes (each of the foregoing a
"Holder" and together the "Holders"), as follows:

     SECTION 1. Definitions. Capitalized terms used herein without definition
shall have their respective meanings set forth in the Purchase Agreement. As
used in this Agreement, the following terms shall have the following meanings:

     Affiliate: With respect to any specified person, an "affiliate," as defined
in Rule 144, of such person.

     Amendment Effectiveness Deadline Date: See Section 2(d) hereof.

     Applicable Conversion Price: The Applicable Conversion Price as of any date
of determination means the Conversion Price in effect as of such date of
determination or, if no Notes are then outstanding, the Conversion Price that
would be in effect were Notes then outstanding.

     Business Day: Each Monday, Tuesday, Wednesday, Thursday and Friday that is
not a day on which banking institutions in The City of New York or San Jose,
California are authorized or obligated by law or executive order to close.

     Common Stock: The shares of common stock $0.001 par value of the Company
and any other shares of common stock as may constitute "Common Stock" for
purposes of the Indenture, including the Underlying Common Stock.

     Conversion Price: Conversion Price shall have the meaning assigned such
term in the Indenture.

     Damages Accrual Period: See Section 2(e) hereof.

     Damages Payment Date: Each interest payment date under the Indenture in the
case of



<PAGE>   2

Notes, and each March 15 and September 15 in the case of the Underlying Common
Stock.

     Deferral Notice: See Section 3(i) hereof.

     Deferral Period: See Section 3(i) hereof.

     Effectiveness Deadline Date: See Section 2(a) hereof.

     Effectiveness Period: The period of two years from the later of (a) the
Issue Date (b) the last date of original issuance of the Notes, or such shorter
period ending on the date that all Registrable Securities have ceased to be
Registrable Securities.

     Event: See Section 2(e) hereof.

     Event Termination Date: See Section 2(e) hereof.

     Event Date: See Section 2(e) hereof.

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

     Filing Deadline Date: See Section 2(a) hereof.

     Holder: See the second paragraph of this Agreement.

     Indenture: The Indenture dated as of the date hereof between the Company
and State Street Bank and Trust Company of California, N.A., as trustee,
pursuant to which the Notes are being issued.

     Initial Purchasers: Morgan Stanley & Co. Incorporated and BancAmerica
Robertson Stephens.

     Initial Shelf Registration Statement: See Section 2(a) hereof.

     Issue Date: March 17, 1998.

     Liquidated Damages Amount: See Section 2(e) hereof.

     Losses: See Section 6 hereof.

     Material Event: See Section 3(i) hereof.

     Notes: The 4 1/2% Convertible Subordinated Notes due 2005 of the Company to
be purchased pursuant to the Purchase Agreement.

     Notice and Questionnaire: A written notice delivered to the Company
containing 



                                       2
<PAGE>   3

substantially the information called for by the Selling Securityholder Notice
and Questionnaire attached as Appendix B to the Offering Memorandum of the
Company issued March 11, 1998 relating to the Notes.

     Notice Holder: On any date, any Holder that has delivered a Notice and
Questionnaire to the Company on or prior to such date.

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

     Purchase Agreement: See the first paragraph of this Agreement.

     Record Holder: (i) With respect to any Damages Payment Date relating to any
Notes as to which any such Liquidated Damages Amount has accrued, the holder of
record of such Note on the record date with respect to the interest payment date
under the Indenture on which such Damages Payment Date shall occur and (ii) with
respect to any Damages Payment Date relating to the Underlying Common Stock as
to which any such Liquidated Damages Amount has accrued, the registered holder
of such Underlying Common Stock 15 days prior to the next succeeding Damages
Payment Date.

     Registrable Securities: The Notes until such Notes have been converted or
exchanged into the Underlying Common Stock, and, at all times subsequent to any
such conversion or exchange, any securities into or for which such Underlying
Common Stock have been converted or exchanged, and any security issued with
respect thereto upon any stock dividend, split or similar event until, in the
case of any such security, (A) the earliest of (i) its effective registration
under the Securities Act and resale in accordance with the Registration
Statement covering it, (ii) expiration of the holding period that would be
applicable thereto under Rule 144(k) were it not held by an Affiliate of the
Company or (iii) its sale to the public pursuant to Rule 144, and (B) as a
result of the event or circumstance described in any of the foregoing clauses
(i) through (iii), the legends with respect to transfer restrictions required
under the Indenture are removed or removable in accordance with the terms of the
Indenture.



                                       3
<PAGE>   4

     Registration Expenses: See Section 5 hereof.

     Registration Statement: Any registration statement of the Company that
covers any of the Registrable Securities pursuant to the provisions of this
Agreement, including the Prospectus, amendments and supplements to such
registration statement, including post-effective amendments, all exhibits, and
all materials incorporated by reference or explicitly deemed to be incorporated
by reference in such registration statement.

     Restricted Securities: As this term is defined in Rule 144.

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

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

     SEC: The Securities and Exchange Commission.

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

     Shelf Registration Statement: See Section 2(a) hereof.

     Subsequent Shelf Registration Statement: See Section 2(b) hereof.

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

     Trustee: State Street Bank and Trust Company of California, N.A. (or any
successor entity), the Trustee under the Indenture.

     Underlying Common Stock: The Common Stock into which the Notes are
convertible or issued upon any such conversion.

     SECTION 2. Shelf Registration. (a) The Company shall prepare and file or
cause to be prepared and filed with the SEC, as soon as practicable but in any
event by the date (the "Filing Deadline Date") ninety (90) days after the Issue
Date, a Registration Statement for an offering to be made on a delayed or
continuous basis pursuant to Rule 415 of the Securities Act (a "Shelf
Registration Statement") registering the resale from time to time by Holders
thereof of all of the Registrable Securities (the "Initial Shelf Registration
Statement"). The Initial Shelf Registration Statement shall be on Form S-3 or
another appropriate form permitting registration of such Registrable Securities
for resale by such Holders in accordance with the methods of distribution
elected by the Holders and set forth in the Initial Shelf Registration
Statement. The Company shall use reasonable efforts to cause the Initial Shelf
Registration Statement to be declared effective under the Securities Act as
promptly as is practicable but in any event by the date (the "Effectiveness
Deadline Date") that is one hundred and eighty (180) 



                                       4
<PAGE>   5

days after the Issue Date, and to keep the Initial Shelf Registration Statement
(or any Subsequent Shelf Registration Statement) continuously effective under
the Securities Act until the expiration of the Effectiveness Period. At the time
the Initial Shelf Registration Statement is declared effective, each Holder that
became a Notice Holder on or prior to the date ten (10) Business Days prior to
such time of effectiveness shall be named as a selling securityholder in the
Initial Shelf Registration Statement and the related Prospectus in such a manner
as to permit such Holder to deliver such Prospectus to purchasers of Registrable
Securities in accordance with applicable law. Subject to Section 8(a), none of
the Company's security holders (other than the Holders of Registrable
Securities) shall have the right to include any of the Company's securities in
the Shelf Registration Statement.

     (b) If the Initial Shelf Registration Statement or any Subsequent Shelf
Registration Statement ceases to be effective for any reason at any time during
the Effectiveness Period (other than because all Registrable Securities
registered thereunder shall have been resold pursuant thereto or shall have
ceased to be Registrable Securities), the Company shall use reasonable efforts
to obtain the prompt withdrawal of any order suspending the effectiveness
thereof, and in any event shall within thirty (30) days of such cessation of
effectiveness amend the Shelf Registration Statement in a manner reasonably
expected to obtain the withdrawal of the order suspending the effectiveness
thereof, or file an additional Shelf Registration Statement covering all of the
securities that as of the date of such filing are Registrable Securities (a
"Subsequent Shelf Registration Statement"). If a Subsequent Shelf Registration
Statement is filed, the Company shall use reasonable efforts to cause the
Subsequent Shelf Registration Statement to become effective as promptly as is
practicable after such filing and to keep such Registration Statement (or
subsequent Shelf Registration Statement) continuously effective until the end of
the Effectiveness Period.

     (c) The Company shall supplement and amend the Shelf Registration Statement
if required by the rules, regulations or instructions applicable to the
registration form used by the Company for such Shelf Registration Statement, if
required by the Securities Act or, to the extent to which the Company does not
reasonably object, as reasonably requested by the Initial Purchasers or by the
Trustee on behalf of the registered Holders or by any Managing Underwriter in
the event of an Underwritten Offering .


     (d) Each Holder of Registrable Securities agrees that if such Holder wishes
to sell Registrable Securities pursuant to a Shelf Registration Statement and
related Prospectus, it will do so only in accordance with this Section 2(d) and
Section 3(i). Each Holder of Registrable Securities wishing to sell Registrable
Securities pursuant to a Shelf Registration Statement and related Prospectus
agrees to deliver a Notice and Questionnaire to the Company at least three (3)
Business Days prior to any intended distribution of Registrable Securities under
the Shelf Registration Statement. From and after the date the Initial Shelf
Registration Statement is declared effective, the Company shall, as promptly as
is practicable after the date a Notice and Questionnaire is delivered, and in
any event within five (5) Business Days after such date, (i) if required by
applicable law, file with the SEC a post-effective amendment to the Shelf
Registration Statement or prepare and, if required by applicable law, file a
supplement to the related Prospectus or a supplement or amendment to any
document incorporated therein by 



                                       5
<PAGE>   6

reference or file any other required document so that the Holder delivering such
Notice and Questionnaire is named as a selling securityholder in the Shelf
Registration Statement and the related Prospectus in such a manner as to permit
such Holder to deliver such Prospectus to purchasers of the Registrable
Securities in accordance with applicable law and, if the Company shall file a
post-effective amendment to the Shelf Registration Statement, use reasonable
efforts to cause such post-effective amendment to be declared effective under
the Securities Act as promptly as is practicable, but in any event by the date
(the "Amendment Effectiveness Deadline Date") that is forty-five (45) days after
the date such post-effective amendment is required by this clause to be filed;
(ii) provide such Holder copies of any documents filed pursuant to Section
2(d)(i); and (iii) notify such Holder as promptly as practicable after the
effectiveness under the Securities Act of any post-effective amendment filed
pursuant to Section 2(d)(i); provided, that if such Notice and Questionnaire is
delivered during a Deferral Period, the Company shall so inform the Holder
delivering such Notice and Questionnaire and shall take the actions set forth in
clauses (i), (ii) and (iii) above upon expiration of the Deferral Period in
accordance with Section 3(i). Notwithstanding anything contained herein to the
contrary, the Company shall be under no obligation to name any Holder that is
not a Notice Holder as a selling securityholder in any Registration Statement or
related Prospectus.

     (e) The parties hereto agree that the Holders of Registrable Securities
will suffer damages, and that it would not be feasible to ascertain the extent
of such damages with precision, if (i) the Initial Shelf Registration Statement
has not been filed on or prior to the Filing Deadline Date, (ii) the Initial
Shelf Registration Statement has not been declared effective under the
Securities Act on or prior to the Effectiveness Deadline Date, (iii) the Company
has failed to perform its obligations set forth in Section 2(d) within the time
period required therein, (iv) the aggregate duration of Deferral Periods in any
period exceeds the number of days permitted in respect of such period pursuant
to Section 3(i) hereof or (v) the number of Deferral Periods in any period
exceeds the number permitted in respect of such period pursuant to Section 3(i)
(each of the events of a type described in any of the foregoing clauses (i)
through (v) are individually referred to herein as an "Event," and the Filing
Deadline Date in the case of clause (i), the Effectiveness Deadline Date in the
case of clause (ii), the date by which the Company is required to perform its
obligations set forth in Section 2(d) in the case of clause (iii) (including the
filing of any post-effective amendment prior to the Amendment Effectiveness
Deadline Date), the date on which the aggregate duration of Deferral Periods in
any period exceeds the number of days permitted by Section 3(i) hereof in the
case of clause (iv), and the date of the commencement of a Deferral Period that
causes the limit on the number of Deferral Periods in any period under Section
3(i) hereof to be exceeded in the case of clause (v), being referred to herein
as an "Event Date"). Events shall be deemed to continue until the "Event
Termination Date," which shall be the following dates with respect to the
respective types of Events: the date the Initial Shelf Registration Statement is
filed in the case of an Event of the type described in clause (i), the date the
Initial Shelf Registration Statement is declared effective under the Securities
Act in the case of an Event of the type described in clause (ii), the date the
Company performs its obligations set forth in Section 2(d) in the case of an
Event of the type described in clause (iii) (including, without 



                                       6
<PAGE>   7

limitation, the date the relevant post-effective amendment to the Shelf
Registration Statement is declared effective under the Securities Act),
termination of the Deferral Period that caused the limit on the aggregate
duration of Deferral Periods in a period set forth in Section 3(i) to be
exceeded in the case of the commencement of an Event of the type described in
clause (iv), and termination of the Deferral Period the commencement of which
caused the number of Deferral Periods in a period permitted by Section 3(i) to
be exceeded in the case of an Event of the type described in clause (v).


     Accordingly, commencing on (and including) any Event Date and ending on
(but excluding) the next date on which there are no Events that have occurred
and are continuing (a "Damages Accrual Period"), the Company agrees to pay, as
liquidated damages and not as a penalty, an amount (the "Liquidated Damages
Amount"), payable on the Damages Payment Dates to Record Holders of Notes that
are Registrable Securities and of shares of Underlying Common Stock issued upon
conversion of Notes that are Registrable Securities, as the case may be,
accruing, for each portion of such Damages Accrual Period beginning on and
including a Damages Payment Date (or, in respect of the first time that the
Liquidated Damages Amount is to be paid to Holders on a Damages Payment Date as
a result of the occurrence of any particular Event, from the Event Date) and
ending on but excluding the first to occur of (A) the date of the end of the
Damages Accrual Period or (B) the next Damages Payment Date, at a rate per annum
equal to one-half of one percent (0.5%) of the aggregate principal amount of
such Notes and the Applicable Conversion Price of such shares of Underlying
Common Stock, as the case may be, in each case determined as of the Business Day
immediately preceding the next Damages Payment Date; provided, that in the case
of a Damages Accrual Period that is in effect solely as a result of an Event of
the type described in clause (iii) of the immediately preceding paragraph, such
Liquidated Damages Amount shall be paid only to the Holders that have delivered
Notice and Questionnaires that caused the Company to incur the obligations set
forth in Section 2(d) the non-performance of which is the basis of such Event;
provided further, that any Liquidated Damages Amount accrued with respect to any
Note or portion thereof called for redemption on a redemption date or converted
into Underlying Common Stock on a conversion date prior to the Damages Payment
Date, shall, in any such event, be paid instead to the Holder who submitted such
Note or portion thereof for redemption or conversion on the applicable
redemption date or conversion date, as the case may be, on such date (or
promptly following the conversion date, in the case of conversion).
Notwithstanding the foregoing, no Liquidated Damages Amounts shall accrue as to
any Registrable Security from and after the earlier of (x) the date such
security is no longer a Registrable Security and (y) expiration of the
Effectiveness Period. The rate of accrual of the Liquidated Damages Amount with
respect to any period shall not exceed the rate provided for in this paragraph
notwithstanding the occurrence of multiple concurrent Events. Following the cure
of all Events requiring the payment by the Company of Liquidated Damages Amounts
to the Holders of Registrable Securities pursuant to this Section, the accrual
of Liquidated Damages Amounts will cease (without in any way limiting the effect
of any subsequent Event requiring the payment of Liquidated Damages Amount by
the Company).

        The Trustee shall be entitled, on behalf of Holders of Notes or
Underlying Common 



                                       7
<PAGE>   8

Stock, to seek any available remedy for the enforcement of this Agreement,
including for the payment of any Liquidated Damages Amount. Notwithstanding the
foregoing, the parties agree that the sole damages payable for a violation of
the terms of this Agreement with respect to which liquidated damages are
expressly provided shall be such liquidated damages. Nothing shall preclude a
Notice Holder or Holder of Registrable Securities from pursuing or obtaining
specific performance or other equitable relief with respect to this Agreement.

     All of the Company's obligations set forth in this Section 2(e) that are
outstanding with respect to any Registrable Security at the time such security
ceases to be a Registrable Security shall survive until such time as all such
obligations with respect to such security have been satisfied in full
(notwithstanding termination of this Agreement pursuant to Section 8(k)).

     The parties hereto agree that the liquidated damages provided for in this
Section 2(e) constitute a reasonable estimate of the damages that may be
incurred by Holders of Registrable Securities by reason of the failure of the
Shelf Registration Statement to be filed or declared effective or available for
effecting resales of Registrable Securities in accordance with the provisions
hereof.

     SECTION 3. Registration Procedures. In connection with the registration
obligations of the Company under Section 2 hereof, the Company shall:

     (a) Before filing any Registration Statement or Prospectus or any
amendments or supplements thereto with the SEC, furnish to the Initial
Purchasers copies of all such documents proposed to be filed and use reasonable
efforts to reflect in each such document when so filed with the SEC such
comments as the Initial Purchasers reasonably shall propose within two (2)
Business Days of the delivery of such copies to the Initial Purchasers. 

     (b) Prepare and file with the SEC such amendments and post-effective
amendments to each Registration Statement as may be necessary to keep such
Registration Statement continuously effective for the applicable period
specified in Section 2(a); cause the related Prospectus to be supplemented by
any required Prospectus supplement, and as so supplemented to be filed pursuant
to Rule 424 (or any similar provisions then in force) under the Securities Act;
and use reasonable efforts to comply with the provisions of the Securities Act
applicable to it with respect to the disposition of all securities covered by
such Registration Statement during the Effectiveness Period in accordance with
the intended methods of disposition by the sellers thereof set forth in such
Registration Statement as so amended or such Prospectus as so supplemented. 

     (c) As promptly as practicable give notice to the Notice Holders and the
Initial Purchasers (i) when any Prospectus, Prospectus supplement, Registration
Statement or post-effective amendment to a Registration Statement has been filed
with the SEC and, with respect to a Registration Statement or any post-effective
amendment, when the same has been declared effective, (ii) of any request,
following the effectiveness of the Initial Shelf Registration Statement under
the Securities Act, by the SEC or any other federal or state 



                                       8
<PAGE>   9

governmental authority for amendments or supplements to any Registration
Statement or related Prospectus or for additional information, (iii) of the
issuance by the SEC or any other federal or state governmental authority of any
stop order suspending the effectiveness of any Registration Statement or the
initiation or threatening of any proceedings for that purpose, (iv) of the
receipt by the Company of any notification with respect to the suspension of the
qualification or exemption from qualification of any of the Registrable
Securities for sale in any jurisdiction or the initiation or threatening of any
proceeding for such purpose, (v) of the occurrence of (but not the nature of or
details concerning) a Material Event and (vi) of the determination by the
Company that a post-effective amendment to a Registration Statement will be
filed with the SEC, which notice may, at the discretion of the Company (or as
required pursuant to Section 3(i)), state that it constitutes a Deferral Notice,
in which event the provisions of Section 3(i) shall apply. 

     (d) Use reasonable efforts to obtain the withdrawal of any order suspending
the effectiveness of a Registration Statement or the lifting of any suspension
of the qualification (or exemption from qualification) of any of the Registrable
Securities for sale in any jurisdiction in which they have been qualified for
sale, in either case at the earliest possible moment. 

     (e) If reasonably requested by the Initial Purchasers or any Notice Holder,
as promptly as practicable incorporate in a Prospectus supplement or
post-effective amendment to a Registration Statement such information as the
Initial Purchasers or such Notice Holder shall, on the basis of an opinion of
nationally-recognized counsel experienced in such matters, determine to be
required to be included therein by applicable law and make any required filings
of such Prospectus supplement or such post-effective amendment; provided, that
the Company shall not be required to take any actions under this Section 3(e)
that are not, in the reasonable opinion of counsel for the Company, in
compliance with applicable law. 

     (f) As promptly as practicable furnish to each Notice Holder (in connection
with its sale of Registrable Securities) and the Initial Purchasers, without
charge, at least one (1) conformed copy of the Registration Statement and any
amendment thereto, including financial statements but excluding schedules, all
documents incorporated or deemed to be incorporated therein by reference and all
exhibits (unless requested in writing to the Company by such Notice Holder or
the Initial Purchasers, as the case may be). 

     (g) During the Effectiveness Period, deliver to each Notice Holder in
connection with any sale of Registrable Securities pursuant to a Registration
Statement, without charge, as many copies of the Prospectus or Prospectuses
relating to such Registrable Securities (including each preliminary prospectus)
and any amendment or supplement thereto as such Notice Holder may reasonably
request; and the Company hereby consents (except during such periods that a
Deferral Notice is outstanding and has not been revoked) to the use of such
Prospectus or each amendment or supplement thereto by each Notice Holder in
connection with any offering and sale of the Registrable Securities covered by
such Prospectus or any amendment or supplement thereto in the manner set forth
therein. 

     (h) Prior to any public offering of the Registrable Securities pursuant to
the Shelf Registration Statement, register or qualify or cooperate with the
Notice Holders in connection with the registration or qualification (or
exemption from such registration or qualification) of such Registrable
Securities for offer and sale under the securities or Blue Sky laws of such
jurisdictions within the United States as any Notice Holder reasonably requests
in writing (which request shall be included in the Notice and Questionnaire);
prior to any public offering 



                                       9
<PAGE>   10

of the Registrable Securities pursuant to the Shelf Registration Statement, keep
each such registration or qualification (or exemption therefrom) effective
during the Effectiveness Period in connection with such Notice Holder's offer
and sale of Registrable Securities pursuant to such registration or
qualification (or exemption therefrom) and do any and all other acts or things
necessary or advisable to enable the disposition in such jurisdictions of such
Registrable Securities in the manner set forth in the relevant Registration
Statement and the related Prospectus; provided, that the Company will not be
required to (i) qualify as a foreign corporation or as a dealer in securities in
any jurisdiction where it would not otherwise be required to qualify but for
this Agreement or (ii) take any action that would subject it to general service
of process in suits or to taxation in any such jurisdiction where it is not then
so subject. 

     (i) Upon (A) the issuance by the SEC of a stop order suspending the
effectiveness of the Shelf Registration Statement or the initiation of
proceedings with respect to the Shelf Registration Statement under Section 8(d)
or 8(e) of the Securities Act, (B) the occurrence of any event or the existence
of any fact (a "Material Event") as a result of which any Registration Statement
shall contain any untrue statement of a material fact or omit to state any
material fact required to be stated therein or necessary to make the statements
therein not misleading, or any Prospectus shall contain any untrue statement of
a material fact or omit to state any material fact required to be stated therein
or necessary to make the statements therein, in the light of the circumstances
under which they were made, not misleading, or (C) the occurrence or existence
of any pending corporate development that, in the reasonable discretion of the
Company, makes it appropriate to suspend the availability of the Shelf
Registration Statement and the related Prospectus, (i) in the case of clause (B)
above, subject to the next sentence, as promptly as practicable prepare and
file, if necessary pursuant to applicable law, a post-effective amendment to
such Registration Statement or a supplement to the related Prospectus or any
document incorporated therein by reference or file any other required document
that would be incorporated by reference into such Registration Statement and
Prospectus so that such Registration Statement does not contain any untrue
statement of a material fact or omit to state any material fact required to be
stated therein or necessary to make the statements therein not misleading, and
such Prospectus does not contain any untrue statement of a material fact or omit
to state any material fact required to be stated therein or necessary to make
the statements therein, in the light of the circumstances under which they were
made, not misleading, as thereafter delivered to the purchasers of the
Registrable Securities being sold thereunder, and, in the case of a
post-effective amendment to a Registration Statement, subject to the next
sentence, use its best efforts to cause it to be declared effective as promptly
as is practicable, and (ii) give notice to the Notice Holders that the
availability of the Shelf Registration Statement is suspended (a "Deferral
Notice") and, upon receipt of any Deferral Notice, each Notice Holder agrees not
to sell any Registrable Securities pursuant to the Registration Statement until
such Notice Holder's receipt of copies of the supplemented or amended Prospectus
provided for in clause (i) above, or until it is advised in writing by the
Company that the Prospectus may be used, and has received copies of any
additional or supplemental filings that are incorporated or deemed incorporated
by reference in such Prospectus. The Company will use reasonable efforts to
ensure that the use of the 



                                       10
<PAGE>   11

Prospectus may be resumed (x) in the case of clause (A) above, as promptly as is
practicable, (y) in the case of clause (B) above, as soon as, in the sole
judgment of the Company, public disclosure of such Material Event would not be
prejudicial to or contrary to the interests of the Company or, if necessary to
avoid unreasonable burden or expense, as soon as practicable thereafter and (z)
in the case of clause (C) above, as soon as, in the discretion of the Company,
such suspension is no longer appropriate. The Company shall be entitled to
exercise its right under this Section 3(i) to suspend the availability of the
Shelf Registration Statement or any Prospectus, without incurring any obligation
to pay liquidated damages pursuant to Section 2(e), no more than one (1) time in
any three (3) month period or three (3) times in any twelve (12) month period,
and the period during which the availability of the Registration Statement and
any Prospectus is suspended (the "Deferral Period") shall, without incurring any
obligation to pay liquidated damages pursuant to Section 2(e), not exceed thirty
(30) days; provided, that in the case of a Material Event relating to an
acquisition or a probable acquisition or financing, recapitalization, business
combination or other similar transaction, the Company may, without incurring any
obligation to pay liquidated damages pursuant to Section 2(e), deliver to Notice
Holders a second notice to the effect set forth above, which shall have the
effect of extending the Deferral Period by up to an additional thirty (30) days,
or such shorter period of time as is specified in such second notice; provided,
that the aggregate duration of any Deferral Periods shall not, without incurring
any obligation to pay liquidated damages pursuant to Section 2(e), exceed sixty
(60) days in any three (3) month period or ninety (90) days in any twelve (12)
month period. 

     (j) If requested in writing in connection with a disposition of Registrable
Securities pursuant to a Registration Statement, make reasonably available for
inspection during normal business hours by a representative for the Notice
Holders of such Registrable Securities and any broker-dealers, attorneys and
accountants retained by such Notice Holders, all relevant financial and other
records, pertinent corporate documents and properties of the Company and its
subsidiaries, and cause the appropriate employees of the Company and its
subsidiaries to make reasonably available for inspection during normal business
hours all relevant information reasonably requested by such representative for
the Notice Holders or any such broker-dealers, attorneys or accountants in
connection with such disposition, in each case as is customary for similar "due
diligence" examinations; provided, however, that such persons shall first agree
in writing with the Company that any information that is reasonably and in good
faith designated by the Company in writing as confidential at the time of
delivery of such information shall be kept confidential by such persons and
shall be used solely for the purposes of exercising rights under this Agreement,
unless (i) disclosure of such information is required by court or administrative
order or is necessary to respond to inquiries of regulatory authorities, (ii)
disclosure of such information is required by law (including any disclosure
requirements pursuant to federal securities laws in connection with the filing
of any Registration Statement or the use of any Prospectus referred to in this
Agreement), (iii) such information becomes generally available to the public
other than as a result of a disclosure or failure to safeguard by any such
person or (iv) such information becomes available to any such person from a
source other than the Company and such source is not bound by a confidentiality
agreement; and provided further, that the foregoing inspection and information
gathering shall, to the greatest extent possible, be 



                                       11
<PAGE>   12

coordinated on behalf of all the Notice Holders and the other parties entitled
thereto by the counsel referred to in Section 5. 

     (k) Use reasonable efforts to comply with all applicable rules and
regulations of the SEC and make generally available to its securityholders
earning statements (which need not be audited) satisfying the provisions of
Section 11(a) of the Securities Act and Rule 158 thereunder (or any similar rule
promulgated under the Securities Act) no later than 45 days after the end of any
3-month period (or 90 days after the end of any 12-month period if such period
is a fiscal year) commencing on the first day of the first fiscal quarter of the
Company commencing after the effective date of a Registration Statement, which
statements shall cover said periods. 

     (l) Cooperate with each Notice Holder to facilitate the timely preparation
and delivery of certificates representing Registrable Securities sold or to be
sold pursuant to a Registration Statement, which certificates shall not bear any
restrictive legends, and cause such Registrable Securities to be in such
denominations as are permitted by the Indenture and registered in such names as
such Notice Holder may request in writing at least five Business Days prior to
any sale of such Registrable Securities. 


     (m) Provide a CUSIP number for all Registrable Securities covered by each
Registration Statement not later than the effective date of such Registration
Statement and provide the Trustee and the transfer agent for the Common Stock
with printed certificates for the Registrable Securities that are in a form
eligible for deposit with The Depository Trust Company. 

     (n) Provide such information as is required for any filings required to be
made with the National Association of Securities Dealers, Inc. 

     (o) Upon (i) the filing of the Initial Registration Statement and (ii) the
effectiveness of the Initial Registration Statement, announce the same, in each
case by release to Reuters Economic Services and Bloomberg Business News.

     SECTION 4. Holder's Obligations. Each Holder agrees, by acquisition of the
Registrable Securities, that no Holder of Registrable Securities shall be
entitled to sell any of such Registrable Securities pursuant to a Registration
Statement or to receive a Prospectus relating thereto, unless such Holder has
furnished the Company with a Notice and Questionnaire as required pursuant to
Section 2(d) hereof (including the information required to be included in such
Notice and Questionnaire) and the information set forth in the next sentence.
Each Notice Holder agrees promptly to furnish to the Company all information
required to be disclosed in order to make the information previously furnished
to the Company by such Notice Holder not misleading and any other information
regarding such Notice Holder and the distribution of such Registrable Securities
as the Company may from time to time reasonably request. Any sale of any
Registrable Securities by any Holder shall constitute a representation and
warranty by such Holder that the information relating to such Holder and its
plan of distribution is as set forth in the Prospectus delivered by such Holder
in connection with such disposition, that such Prospectus does not as of the
time of such sale contain any untrue statement of a material fact relating to or
provided by such Holder or its plan of distribution and that such Prospectus
does not as of the time of such sale omit to state any material fact relating to
or provided by such Holder or its plan of distribution necessary to 



                                       12
<PAGE>   13

make the statements in such Prospectus, in the light of the circumstances under
which they were made, not misleading.

     SECTION 5. Registration Expenses. The Company shall bear all fees and
expenses incurred in connection with the performance by the Company of its
obligations under Sections 2 and 3 of this Agreement whether or not any of the
Registration Statements are declared effective. Such fees and expenses shall
include, without limitation, (i) all registration and filing fees (including,
without limitation, fees and expenses (x) with respect to filings required to be
made with the National Association of Securities Dealers, Inc. and (y) of
compliance with federal and state securities or Blue Sky laws (including,
without limitation, reasonable fees and disbursements of the counsel specified
in the next sentence in connection with Blue Sky qualifications of the
Registrable Securities under the laws of such jurisdictions as the Notice
Holders of a majority of the Registrable Securities being sold pursuant to a
Registration Statement may designate), (ii) printing expenses (including,
without limitation, expenses of printing certificates for Registrable Securities
in a form eligible for deposit with The Depository Trust Company), (iii)
duplication expenses relating to copies of any Registration Statement or
Prospectus delivered to any Holders hereunder, (iv) fees and disbursements of
counsel for the Company in connection with the Shelf Registration Statement, (v)
reasonable fees and disbursements of the Trustee and its counsel and of the
registrar and transfer agent for the Common Stock and (vi) Securities Act
liability insurance obtained by the Company in its sole discretion. In addition,
the Company shall bear or reimburse the Notice Holders for the reasonable fees
and disbursements of one firm of legal counsel for the Holders, which shall
initially be Wilson Sonsini Goodrich & Rosati, P.C., but which may, with the
written consent of the Initial Purchasers (which shall not be unreasonably
withheld), be another nationally recognized law firm experienced in securities
law matters designated by the Company. In addition, the Company shall pay the
internal expenses of the Company (including, without limitation, all salaries
and expenses of officers and employees performing legal or accounting duties),
the expense of any annual audit, the fees and expenses incurred in connection
with the listing of the Registrable Securities on any securities exchange on
which similar securities of the Company are then listed and the fees and
expenses of any person, including special experts, retained by the Company.
Notwithstanding the provisions of this Section 5, each seller of Registrable
Securities shall pay all underwriting documents, selling commissions and stock
transfer taxes applicable to the Registrable Securities, all selling expenses
and all registration expenses to the extent required by applicable law.

SECTION 6. Indemnification.

     (a) Indemnification by the Company. The Company shall indemnify and hold
harmless each Notice Holder and each person, if any, who controls any Notice
Holder (within the meaning of either Section 15 of the Securities Act or Section
20 of the Exchange Act) from and against all losses, liabilities, claims,
damages and expenses (including, without limitation, any legal or other expenses
reasonably incurred in connection with defending or investigating any such
action or claim) (collectively, "Losses"), arising out of or based upon any
untrue statement or alleged untrue statement of a material fact contained in any
Registration Statement 



                                       13
<PAGE>   14

or Prospectus or in any amendment or supplement thereto or in any preliminary
prospectus, or arising out of or based upon any omission or alleged omission to
state therein a material fact required to be stated therein or necessary to make
the statements therein not misleading, provided, however, that the Company shall
not be liable in any such case to the extent that any such Losses arise out of
or are based upon an untrue statement or alleged untrue statement contained in
or omission or alleged omission from any of such documents in reliance upon and
conformity with any of the information relating to such Holder furnished to the
Company in writing by such Holder expressly for use therein; provided further,
that the indemnification contained in this paragraph shall not inure to the
benefit of any Holder of Registrable Securities (or to the benefit of any person
controlling such Holder) on account of any such Losses arising out of or based
upon an untrue statement or alleged untrue statement or omission or alleged
omission made in any preliminary prospectus if either (A) (i) such Holder failed
to send or deliver a copy of the Prospectus with or prior to the delivery of
written confirmation of the sale by such Holder to the person asserting the
claim from which such Losses arise and (ii) the Prospectus would have corrected
such untrue statement or alleged untrue statement or such omission or alleged
omission, or (B) (x) such untrue statement or alleged untrue statement, omission
or alleged omission is corrected in an amendment or supplement to the Prospectus
and (y) having previously been furnished by or on behalf of the Company with
copies of the Prospectus as so amended or supplemented, such Holder thereafter
fails to deliver such Prospectus as so amended or supplemented, with or prior to
the delivery of written confirmation of the sale of a Registrable Security to
the person asserting the claim from which such Losses arise. 

     (b) Indemnification by Holders of Registrable Securities. Each Holder
agrees severally and not jointly to indemnify and hold harmless the Company and
its respective directors and officers, and each person, if any, who controls the
Company (within the meaning of either Section 15 of the Securities Act or
Section 20 of the Exchange Act), from and against all Losses arising out of or
based upon any untrue statement or alleged untrue statement of a material fact
contained in any Registration Statement or Prospectus or in any amendment or
supplement thereto or in any preliminary prospectus, or arising out of or based
upon any omission or alleged omission to state therein a material fact required
to be stated therein or necessary to make the statements therein not misleading,
to the extent, but only to the extent, that such untrue statement or alleged
untrue statement or omission or alleged omission was made in reliance upon and
in conformity with information furnished to the Company by such Holder expressly
for use in such Registration Statement or Prospectus or amendment or supplement
thereto. In no event shall the liability of any selling Holder of Registrable
Securities hereunder be greater in amount than the dollar amount of the proceeds
received by such Holder upon the sale of the Registrable Securities pursuant to
the Registration Statement giving rise to such indemnification obligation. 

     (c) Conduct of Indemnification Proceedings. In case any proceeding
(including any governmental investigation) shall be instituted involving any
person in respect of which indemnity may be sought pursuant to either of the two
preceding paragraphs, such person (the "indemnified party") shall promptly
notify the person against whom such indemnity may be sought (the "indemnifying
party") in writing and the indemnifying party, upon request of the 



                                       14
<PAGE>   15

indemnified party, shall retain counsel reasonably satisfactory to the
indemnified party to represent the indemnified party and any others the
indemnifying party may designate in such proceeding and shall pay the reasonable
fees and disbursements of such counsel related to such proceeding. In any such
proceeding, any indemnified party shall have the right to retain its own
counsel, but the fees and expenses of such counsel shall be at the expense of
such indemnified party unless (i) the indemnifying party and the indemnified
party shall have mutually agreed to the retention of such counsel or (ii) the
named parties to any such proceeding (including any impleaded parties) include
both the indemnifying party and the indemnified party and representation of both
parties by the same counsel would be inappropriate due to actual or potential
differing interests between them. It is understood that the indemnifying party
shall not, in respect of the legal expenses of any indemnified party in
connection with any proceeding or related proceedings in the same jurisdiction,
be liable for the fees and expenses of more than one separate firm (in addition
to any local counsel) for all indemnified parties, and that all such fees and
expenses shall be reimbursed as they are incurred. Such separate firm shall be
designated in writing by, in the case of parties indemnified pursuant to Section
6(a), the Holders of a majority (with Holders of Notes deemed to be the Holders,
for purposes of determining such majority, of the number of shares of Underlying
Common Stock into which such Notes are or would be convertible or exchangeable
as of the date on which such designation is made) of the Registrable Securities
covered by the Registration Statement held by Holders that are indemnified
parties pursuant to Section 6(a) and, in the case of parties indemnified
pursuant to Section 6(b), the Company. The indemnifying party shall not be
liable for any settlement of any proceeding effected without its written
consent, but if settled with such consent or if there be a final judgment for
the plaintiff, the indemnifying party agrees to indemnify the indemnified party
from and against any loss or liability by reason of such settlement or judgment.
Notwithstanding the foregoing sentence, if at any time an indemnified party
shall have requested an indemnifying party to reimburse the indemnified party
for fees and expenses of counsel and the indemnified party would be entitled
thereto pursuant to the second and third sentences of this paragraph, the
indemnifying party agrees that it shall be liable for any settlement of any
proceeding effected without its written consent if (i) such settlement is
entered into more than 45 days after receipt by such indemnifying party of the
aforesaid request and (ii) such indemnifying party shall not have reimbursed the
indemnified party in accordance with such request prior to the date of such
settlement. No indemnifying party shall, without the prior written consent of
the indemnified party, effect any settlement of any pending or threatened
proceeding in respect of which any indemnified party is or could have been a
party and indemnity could have been sought hereunder by such indemnified party,
unless such settlement includes an unconditional release of such indemnified
party from all liability on claims that are the subject matter of such
proceeding. 

     (d) Contribution. To the extent that the indemnification provided for in
this Section 6 is unavailable to an indemnified party under Section 6(a) or 6(b)
hereof in respect of any Losses or is insufficient to hold such indemnified
party harmless, then each applicable indemnifying party, in lieu of indemnifying
such indemnified party, shall contribute to the amount paid or payable by such
indemnified party as a result of such Losses (i) in such 



                                       15
<PAGE>   16

proportion as is appropriate to reflect the relative benefits received by the
indemnifying party or parties on the one hand and the indemnified party or
parties on the other hand or (ii) if the allocation provided by clause (i) above
is not permitted by applicable law, in such proportion as is appropriate to
reflect not only the relative benefits referred to in clause (i) above but also
the relative fault of the indemnifying party or parties on the one hand and of
the indemnified party or parties on the other hand in connection with the
statements or omissions that resulted in such Losses, as well as any other
relevant equitable considerations. Benefits received by the Company shall be
deemed to be equal to the total net proceeds from the initial placement pursuant
to the Purchase Agreement (before deducting expenses) of the Registrable
Securities to which such Losses relate. Benefits received by any Holder shall be
deemed to be equal to the value of receiving Registrable Securities that are
registered under the Securities Act. The relative fault of the Holders on the
one hand and the Company on the other hand shall be determined by reference to,
among other things, whether the untrue or alleged untrue statement of a material
fact or the omission or alleged omission to state a material fact relates to
information supplied by the Holders or by the Company, and the parties' relative
intent, knowledge, access to information and opportunity to correct or prevent
such statement or omission. The Holders' respective obligations to contribute
pursuant to this paragraph are several in proportion to the respective number of
Registrable Securities they have sold pursuant to a Registration Statement, and
not joint. 

     The parties hereto agree that it would not be just and equitable if
contribution pursuant to this Section 6(d) were determined by pro rata
allocation or by any other method or allocation that does not take into account
the equitable considerations referred to in the immediately preceding paragraph.
The amount paid or payable by an indemnified party as a result of the Losses
referred to in the immediately preceding paragraph shall be deemed to include,
subject to the limitations set forth above, any legal or other expenses
reasonably incurred by such indemnified party in connection with investigating
or defending any such action or claim. Notwithstanding this Section 6(d), an
indemnifying party that is a selling Holder of Registrable Securities shall not
be required to contribute any amount in excess of the amount by which the total
price at which the Registrable Securities sold by such indemnifying party and
distributed to the public were offered to the public exceeds the amount of any
damages that such indemnifying party has otherwise been required to pay by
reason of such untrue or alleged untrue statement or omission or alleged
omission. No person guilty of fraudulent misrepresentation (within the meaning
of Section 11(f) of the Securities Act) shall be entitled to contribution from
any person who was not guilty of such fraudulent misrepresentation.

     (e) The indemnity, contribution and expense reimbursement obligations of
the parties hereunder shall be in addition to any liability any indemnified
party may otherwise have hereunder, under the Purchase Agreement or otherwise.

     (f) The indemnity and contribution provisions contained in this Section 6
shall remain operative and in full force and effect regardless of (i) any
termination of this Agreement, (ii) any investigation made by or on behalf of
any Holder or any person controlling any Holder, or the Company, or the
Company's officers or directors or any person controlling the Company 



                                       16
<PAGE>   17

and (iii) the sale of any Registrable Securities by any Holder. 

     SECTION 7. Information Requirements. (a) The Company covenants that, if at
any time before the end of the Effectiveness Period the Company is not subject
to the reporting requirements of the Exchange Act, it will cooperate with any
Holder of Registrable Securities and take such further reasonable action as any
Holder of Registrable Securities may reasonably request in writing (including,
without limitation, making such reasonable representations as any such Holder
may reasonably request), all to the extent required from time to time to enable
such Holder to sell Registrable Securities without registration under the
Securities Act within the limitation of the exemptions provided by Rule 144 and
Rule 144A under the Securities Act and customarily taken in connection with
sales pursuant to such exemptions. Upon the written request of any Holder of
Registrable Securities, the Company shall deliver to such Holder a written
statement as to whether it has complied with such filing requirements, unless
such a statement has been included in the Company's most recent report required
to be filed and filed pursuant to Section 13 or Section 15(d) of Exchange Act.
Notwithstanding the foregoing, nothing in this Section 7 shall be deemed to
require the Company to register any of its securities (other than the Common
Stock) under any section of the Exchange Act.

     SECTION 8. Miscellaneous.

     (a) No Conflicting Agreements. Other than as set forth in that certain
Agreement and Plan of Merger and Reorganization dated December 16, 1997 (the
"Merger Agreement"), the Company is not, as of the date hereof, a party to any
agreement with respect to its securities that conflicts with the rights granted
to the Holders of Registrable Securities in this Agreement. The Company shall
not, on or after the date of this Agreement, enter into, any agreement with
respect to its securities that conflicts with the rights granted to the Holders
of Registrable Securities in this Agreement. Other than as set forth in the
Merger Agreement, the Company represents and warrants that the rights granted to
the Holders of Registrable Securities hereunder do not in any way conflict with
the rights granted to the holders of the Company's securities under any other
agreements. The Company acknowledges that any of the Company's obligations under
the Merger Agreement as to the registration rights granted thereunder shall not
relieve the Company of its obligation, if any, to pay Liquidated Damages Amounts
pursuant to and in accordance with Section 2(e) of this Agreement. 

     (b) Amendments and Waivers. The provisions of this Agreement, including the
provisions of this sentence, may not be amended, modified or supplemented, and
waivers or consents to departures from the provisions hereof may not be given,
unless the Company has obtained the written consent of Holders of a majority of
the then outstanding Underlying Common Stock constituting Registrable Securities
(with Holders of Notes deemed to be the Holders, for purposes of this Section,
of the number of outstanding shares of Underlying Common Stock into which such
Notes are or would be convertible or exchangeable as of the date on which such
consent is requested). Notwithstanding the foregoing, a waiver or consent to
depart from the provisions hereof with respect to a matter that relates
exclusively to the rights of Holders of Registrable Securities whose securities
are being sold pursuant to a Registration Statement and that does not directly
or indirectly affect the rights of other Holders 



                                       17
<PAGE>   18

of Registrable Securities may be given by Holders of at least a majority of the
Registrable Securities being sold by such Holders pursuant to such Registration
Statement; provided, that the provisions of this sentence may not be amended,
modified, or supplemented except in accordance with the provisions of the
immediately preceding sentence. Each Holder of Registrable Securities
outstanding at the time of any such amendment, modification, supplement, waiver
or consent or thereafter shall be bound by any such amendment, modification,
supplement, waiver or consent effected pursuant to this Section 8(b), whether or
not any notice, writing or marking indicating such amendment, modification,
supplement, waiver or consent appears on the Registrable Securities or is
delivered to such Holder.

     (c) Notices. All notices and other communications provided for or permitted
hereunder shall be made in writing by hand delivery, by facsimile, by courier
guaranteeing overnight delivery or by first-class mail, return receipt
requested, and shall be deemed given (i) when made, if made by hand delivery,
(ii) upon confirmation, if made by telecopier, (iii) one (1) Business Day after
being deposited with such courier, if made by overnight courier or (iv) on the
date indicated on the notice of receipt, if made by first-class mail, to the
parties as follows: 

               (w) if to a Holder of Registrable Securities, at the most current
          address given by such Holder to the Company in a Notice and
          Questionnaire or any amendment thereto;

               (x)    if to the Company, to:

                          Arbor Software Corporation
                          1344 Crossman Avenue
                          Sunnyvale, CA  94089
                          Attention:  Chief Financial Officer
                          Facsimile No.: (408) 744-0400

                          and

                          Gunderson Dettmer Stough Villenueve Franklin & 
                            Hachigian, LLP
                          155 Constitution Drive
                          Menlo Park, CA 94025
                          Attn: Steven M. Spurlock, Esq.
                          Facsimile No.: (650) 321-2800

           (y)    if to the Initial Purchasers, to:
                          Morgan Stanley & Co. Incorporated
                          1585 Broadway
                          New York, New York
                          Attention:  Equity Capital Markets
                          Facsimile No.: (212) 761-0356


                                       18
<PAGE>   19

or to such other address as such person may have furnished to the other persons
identified in this Section 8(c) in writing in accordance herewith.

     (d) Approval of Holders. Whenever the consent or approval of Holders of a
specified percentage of Registrable Securities is required hereunder,
Registrable Securities held by the Company or its affiliates (as such term is
defined in Rule 405 under the Securities Act) (other than the Initial Purchasers
or subsequent Holders of Registrable Securities if such subsequent Holders are
deemed to be such affiliates solely by reason of their holdings of such
Registrable Securities) shall not be counted in determining whether such consent
or approval was given by the Holders of such required percentage. 

     (e) Successors and Assigns. Any person who purchases any Registrable
Securities from the Initial Purchasers shall be deemed, for purposes of this
Agreement, to be an assignee of the Initial Purchasers. This Agreement shall
inure to the benefit of and be binding upon the successors and assigns of each
of the parties and shall inure to the benefit of and be binding upon each Holder
of any Registrable Securities. 

     (f) Counterparts. This Agreement may be executed in any number of
counterparts and by the parties hereto in separate counterparts, each of which
when so executed shall be deemed to be original and all of which taken together
shall constitute one and the same agreement. 

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

     (h) Governing Law. THIS AGREEMENT SHALL BE GOVERNED BY AND CONSTRUED IN
ACCORDANCE WITH THE LAWS OF THE STATE OF NEW YORK, WITHOUT REGARD TO CONFLICTS
OF LAWS PRINCIPLES THEREOF.

     (i) Severability. If any term, provision, covenant or restriction of this
Agreement is held to be invalid, illegal, void or unenforceable, the remainder
of the terms, provisions, covenants and restrictions set forth herein shall
remain in full force and effect and shall in no way be affected, impaired or
invalidated thereby, and the parties hereto shall use their best efforts to find
and employ an alternative means to achieve the same or substantially the same
result as that contemplated by such term, provision, covenant or restriction, it
being intended that all of the rights and privileges of the parties shall be
enforceable to the fullest extent permitted by law. 

     (j) Entire Agreement. This Agreement is intended by the parties as a final
expression of their agreement and is intended to be a complete and exclusive
statement of the agreement and understanding of the parties hereto in respect of
the subject matter contained herein and the registration rights granted by the
Company with respect to the Registrable Securities, except as set forth in that
certain letter, dated March 15, 1998, to the Initial Purchasers by the Company.
Except as provided in the Purchase Agreement, there are no restrictions,
promises, warranties or undertakings, other than those set forth or referred to
herein, with respect to the registration rights granted by the Company with
respect to the Registrable Securities. This Agreement supersedes all prior
agreements and undertakings among the parties with respect to such 



                                       19
<PAGE>   20

registration rights. No party hereto shall have any rights, duties or
obligations other than those specifically set forth in this Agreement. Without
limiting the generality of the foregoing, the Company shall have no obligation
to participate in "road show" or, except as specifically provided in this
Agreement, "due diligence" activities in connection with any underwritten public
offering of Registrable Securities, and the Company shall have no obligation to
enter into underwriting or indemnification agreements with respect to, or
deliver opinions, comfort letters or closing certificates in connection with,
any such underwritten public offering.

     (k) Termination. This Agreement and the obligations of the parties
hereunder shall terminate upon the end of the Effectiveness Period, except for
any liabilities or obligations under Sections 4, 5 or 6 hereof and the
obligations to make payments of and provide for liquidated damages under Section
2(e) hereof to the extent such damages accrue prior to the end of the
Effectiveness Period, each of which shall remain in effect in accordance with
its terms. 

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


                                        ARBOR SOFTWARE CORPORATION



                                        By: /s/ Stephen V. Imbler
                                            ------------------------------------
                                        Name: Stephen V. Imbler
                                        Title: Senior Vice President and
                                               Chief Financial Officer


Accepted as of the date first 
above written:



MORGAN STANLEY & CO. INCORPORATED
BANCAMERICA ROBERTSON STEPHENS
(for the benefit of themselves and for the benefit of the Holders)


By:  MORGAN STANLEY & CO. INCORPORATED


By: /s/ Michael D. Grimes
    ---------------------------------
Name: Michael D. Grimes
Title: Principal



                                       20

<PAGE>   1
                                                                    EXHIBIT 99.1


                    TEXT OF PRESS RELEASE DATED MARCH 5, 1998



FOR IMMEDIATE RELEASE

ARBOR SOFTWARE CORPORATION ANNOUNCES OFFERING OF CONVERTIBLE SUBORDINATED NOTES

Sunnyvale, California, March 5, 1998 -- Arbor Software Corporation ("Arbor")
announced today that, subject to market and other conditions, it is seeking to
raise approximately $75 million through a private offering of convertible
subordinated notes within the United States to qualified institutional investors
(excluding an option to purchase up to an additional $11.25 million principal
amount of notes to cover over-allotments, if any). The notes would have a term
of seven years and would be convertible into Arbor Common Stock. No other terms
were disclosed.

Arbor stated that it expects to use the net proceeds of the offering to
strengthen its financial condition, to provide working capital and for general
corporate purposes, and to provide itself with additional financial flexibility
to take advantage of business opportunities as they may arise. Arbor also stated
that although it continually evaluates potential acquisitions of complementary
businesses, products and technologies, it currently has no agreements,
understandings or commitments with respect to any proposed acquisitions or
investments.

The securities being offered will not be registered under the Securities Act of
1933, as amended, or applicable state securities laws, and may not be offered or
sold in the United States absent registration under the Securities Act of 1933
and applicable state securities laws or available exemptions from registration
requirements.








<PAGE>   1
                                                                  
                                                                    EXHIBIT 99.2


                   TEXT OF PRESS RELEASE DATED MARCH 17, 1998



FOR IMMEDIATE RELEASE

ARBOR SOFTWARE CORPORATION RAISES $100 MILLION THROUGH OFFERING OF CONVERTIBLE
SUBORDINATED NOTES

Sunnyvale, California, March 17, 1998 -- Arbor Software Corporation ("Arbor")
announced the closing of its previously announced offering of convertible
subordinated notes to qualified institutional investors in the United States.
The Company sold $100 million of convertible subordinated notes. The notes have
a term of seven years with an interest rate of 4 1/2% per year and will be
convertible into Arbor Common Stock at a price of $56.357 per share. No other
terms were disclosed.


     Arbor stated that it expects to use the net proceeds of the offering to
strengthen its financial condition, to provide working capital and for general
corporate purposes, and to provide itself with additional financial flexibility
to take advantage of business opportunities as they may arise. Arbor also stated
that although it continually evaluates potential acquisitions of complementary
businesses, products and technologies, it currently has no agreements,
understandings or commitments with respect to any proposed acquisitions or
investments.

     The securities offered were not registered under the Securities Act of
1933, as amended, or applicable state securities laws, and may not be offered or
sold in the United States absent registration under the Securities Act of 1933
and applicable state securities laws or available exemptions from registration
requirements.


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