Document:

Exhibit 10(a)

                   CONSENT OF INDEPENDENT PUBLIC ACCOUNTANTS

As independent  public  accountants,  we hereby consent to the  incorporation by
reference in  Registration  Statement No.  33-87874 of our report dated February
20, 2002 included in Mutual of America  Institutional Funds, Inc's Annual Report
to  Shareholders  for the year ended  December 21, 2001 and to all references to
our Firm included in or made a part of Registration Statement No. 33-87874.

                                                       ARTHUR ANDERSEN LLP

New York, New York
April 23, 2002<PAGE>
                                                                     EXHIBIT 4.1

                                                               EXECUTION VERSION

                             SONICBLUE INCORPORATED

                                       AND

          THE INITIAL PURCHASERS OF 7-3/4% SECURED SENIOR SUBORDINATED
                         CONVERTIBLE DEBENTURES DUE 2005

                                    INDENTURE

                           DATED AS OF APRIL 22, 2002

       7-3/4% SECURED SENIOR SUBORDINATED CONVERTIBLE DEBENTURES DUE 2005

<PAGE>
               THIS INDENTURE, dated as of April 22, 2002, is entered into by
and between SONICBLUE INCORPORATED, a Delaware corporation (the "Company"), and
the Initial Purchasers of Debentures identified on the signature pages hereto.

                                   WITNESSETH:

               WHEREAS, for its lawful corporate purposes, the Company has duly
authorized the issue of its 7-3/4% Secured Senior Subordinated Debentures due
2005 (the "Debentures"), in an aggregate principal amount of $75,000,000 and, to
provide the terms and conditions upon which the Debentures are to be issued and
delivered, the Company has duly authorized the execution and delivery of this
Indenture; and

               WHEREAS, all acts and things necessary to make the Debentures,
when executed and delivered by the Company to the Debenture holders, 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 Debentures have in
all respects been duly authorized.

                   NOW, THEREFORE, THIS INDENTURE WITNESSETH:

               That in order to declare the terms and conditions upon which the
Debentures are, and are to be, issued and delivered, and in consideration of the
premises and of the purchase and acceptance of the Debentures by the holders
thereof, the Company covenants and agrees with the Initial Purchasers and all
holders of Debentures, as follows:

                                    ARTICLE I

                                   DEFINITIONS

               SECTION 1.1 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. All
other terms used in this Indenture, which are 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 Securities Act
as in force at the date of 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.

               "1996 Indenture" means the Indenture dated as of September 12,
1996 between the Company and State Street Bank and Trust Company of California,
N.A., as trustee, pursuant to which the Subordinated Notes were issued.

               "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

<PAGE>
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.

               "All Cash Interest Option" has the meaning specified in Section
2.3(b).

               "beneficial owner" shall be determined in accordance with Rule
13d-3 and 13d-5, as in effect on the date of the original execution of this
Indenture, promulgated by the Commission pursuant to the Exchange Act.

               "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.
"Board Resolution" shall mean a copy of a resolution certified by the Secretary
or an Assistant Secretary of the Company to have been duly adopted by the Board
of Directors and to be in full force and effect on the date of such
certification, and delivered to each Debenture holder.

               "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 are authorized or obligated by law or executive order to close
or be closed.

               "Cap Allocation Amount" shall have the meaning specified in
Section 15.8.

               "Change of Control" means an event or series of events as a
result of which (i) any person or group is or becomes the beneficial owner of
shares representing more than 50% of the combined voting power of the then
outstanding securities entitled to vote generally in elections of directors of
the Company (the "Voting Stock"), (ii) the Company consolidates with or merges
into any other corporation, or conveys, transfers or leases all or substantially
all of its assets to any person, or any other corporation merges into the
Company, and, in the case of any such transaction, the outstanding common stock
of the Company is changed or exchanged into or for other assets or securities as
a result, unless the stockholders of the Company immediately before such
transaction own, directly or indirectly immediately following such transaction,
at least a majority of the combined voting power of the outstanding voting
securities of the corporation resulting from such transaction in substantially
the same proportion as their ownership of the Voting Stock immediately before
such transaction, or (iii) any time Continuing Directors do not constitute a
majority of the Board of Directors of the Company (or, if applicable, a
successor corporation to the Company); provided, however, that a Change of
Control shall not be deemed to have occurred if either (x) the Closing Price (as
defined in Section 13.5) of the Common Stock for any five (5) Trading Days
within a period of ten (10) Trading Days ending immediately before the Change of
Control is at least equal to 105% of the Conversion Price of the Debentures in
effect on each such Trading Day or (y) at least 90% of the consideration
(excluding cash payments for dissenting and fractional shares) in the
transaction or transactions constituting the Change of Control consists of
common stock traded on a United States national securities exchange or quoted on
The Nasdaq Stock Market (or which will be so traded or quoted when issued or
exchanged in connection with such Change of Control) and as a result of such
transaction or transactions such Debentures become convertible solely into such
common stock.

                                       2

<PAGE>
               "Closing Price" has the meaning specified in Section 13.5(g)(1).

               "Commission" shall mean the Securities and Exchange Commission.

               "Common Stock" shall mean any capital 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 subject to redemption by the Company. Subject to
the provisions of Section 13.6, however, shares issuable on conversion of
Debentures 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" shall mean SONICblue Incorporated, a Delaware
corporation, and subject to the provisions of Article XI, shall include its
successors and assigns.

               "Company Notice" shall have the meaning specified in Section
14.3(a).

               "Complete Restructuring" shall have the meaning specified in
Section 8.1.

               "Complete Restructuring Notice" shall have the meaning specified
in Section 8.1.

               "Congress Facility" shall mean the Indebtedness represented by
the Second Amended and Restated Loan and Security Agreement, dated as of August
19, 1998 among Congress Financial Corporation (Western), on the one hand, and
Sensory Science Corporation and California Audio Labs, LLC, on the other hand,
as such agreement may be amended and modified from time to time.

               "Continuing Director" means at any date a member of the Company's
Board of Directors (i) who was a member of such board on April 22, 2002 or (ii)
who was nominated or elected by at least a majority of the directors who were
Continuing Directors at the time of such nomination or election or whose
election to the Company's Board of Directors was recommended or endorsed by at
least a majority of the directors who were Continuing Directors at the time of
such nomination or election. (Under this definition, if the current Board of
Directors of the Company were to approve a new director or directors and then
resign, no Change in Control would occur even though the current Board of
Directors would thereafter cease to be in office).

               "Conversion Price" shall have the meaning specified in Section
13.4.

               "Current Market Price" has the meaning specified in Section
13.5(g)(2).

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               "Debenture" or "Debentures" shall mean any debenture or
debentures, as the case may be, issued and delivered under this Indenture.

               "Debenture holder" or "holder" as applied to any Debenture, or
other similar terms (but excluding the term "beneficial holder"), shall mean any
person in whose name at the time a particular Debenture is registered on the
Debenture register.

               "Debenture register" shall have the meaning specified in Section
2.5.

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

               "Designated Event" shall mean a Change of Control or a
Termination of Trading.

               "Event of Default" shall mean any event specified in Section
7.1(a), (b), (c), (d), (e), (f), (g), (h), (i), (j), (k) or (l) continued for
the period of time, if any, and after the giving of notice, if any, therein
designated.

               "Exchange Act" shall mean the Securities Exchange Act of 1934, as
amended, and the rules and regulations promulgated thereunder.

               "Exchange Cap" shall have the meaning specified in Section 15.8.

               "Expiration Time" shall have the meaning specified in Section
13.5(d).

               "fair market value" has the meaning specified in Section
13.5(g)(3).

               "Indebtedness" shall have the meaning specified in Section
7.1(e).

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

               "Initial Purchasers" shall mean Portside Growth & Opportunity
Fund, Smithfield Fiduciary LLC and Citadel Equity Fund Ltd., as Buyers under the
Purchase Agreement.

               "Interest Shares" has the meaning specified in Section 2.3(b).

               "Interest Share Conversion Ratio" has the meaning specified in
Section 2.3(b).

               "Maturity Date" shall mean September 1, 2005, as the same may be
extended pursuant to a supplemental indenture executed and delivered in
accordance with Article X hereof.

               "Mixed Interest Option" has the meaning specified in Section
2.3(b).

               "Mixed Interest Option Election Notice" has the meaning specified
in Section 2.3(b).

               "non-electing shares" shall have the meaning specified in Section
13.6.

                                       4

<PAGE>
               "Officers' Certificate" shall mean a certificate signed by (a)
one of 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 added before or after the title "Vice President") and (b) one of
the Chief Financial Officer, Treasurer or any Assistant Treasurer, Secretary or
any Assistant Secretary or Controller of the Company, which is delivered to each
Debenture holder.

               "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 any
Subsidiary, or other counsel acceptable to holders of a majority in aggregate
principal amount of the Debentures then outstanding, which is delivered to each
holder of Debentures.

               "Option Agreement" shall have the meaning specified in Section
7.1(i).

               "Outstanding," when used with reference to Debentures, shall,
subject to the provisions of Section 9.4, mean, as of any particular time, all
Debentures executed and delivered by the Company under this Indenture, except:

               (a) Debentures theretofore canceled by any holder of Debentures
or delivered to the Company for cancellation;

               (b) Debentures, or portions thereof, for the payment, or
redemption of which monies in the necessary amount shall have been set aside and
segregated in trust by the Company; provided that if such Debentures are to be
redeemed prior to the maturity thereof, notice of such redemption shall have
been given as provided in Section 3.2;

               (c) Debentures in lieu of which, or in substitution for which,
other Debentures shall have been delivered pursuant to the terms of Section
2.5(b); and

               (d) Debentures converted into Common Stock pursuant to Article
XIII; and

               (e) Debentures deemed not outstanding pursuant to Section 3.2.

               "Partial Restructuring" shall have the meaning specified in
Section 8.2.

               "Partial Restructuring Notice" shall have the meaning specified
in Section 8.2.

               "Partial Restructuring Option" shall have the meaning specified
in Section 8.2.

               "Partial Restructuring Option Exercise Notice" shall have the
meaning specified in Section 8.2.

               "Pledge Agreement" has the meaning specified in Section 4.6.

               "Person" or "person" shall, except as to references in Article
XIV, mean a corporation, an association, a partnership, a limited liability
company, 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.

                                       5

<PAGE>
               "person" or "group", for purposes of Article XIV only, shall
include any syndicate or group which would be deemed to be a "person" under
Section 13(d)(3) and 14(d) of the Exchange Act as in effect on the date of the
original execution of this Indenture;

               "Predecessor Debenture" of any particular Debenture shall mean
every previous Debenture evidencing all or a portion of the same debt as that
evidenced by such particular Debenture; and, for the purposes of this
definition, any Debenture delivered under Section 2.5(b) in lieu of a lost,
destroyed or stolen Debenture shall be deemed to evidence the same debt as the
lost, destroyed or stolen Debenture that it replaces.

               "Purchase Agreement" shall mean the Securities Purchase Agreement
dated as of April 19, 2002 by and among the Company and the Initial Purchasers.

               "Purchased Shares" shall have the meaning specified in Section
13.5(f).

               "Record Date" shall have the meaning specified in Section
13.5(g)(4).

               "Reference Period" shall have the meaning specified in Section
13.5(d).

               "Registration Rights Agreement" shall mean that certain
registration rights agreement between the Company and the Initial Purchasers
relating to the filing of a registration statement covering the resale of the
(i) shares of Common Stock issuable upon conversion of the Debentures; (ii)
Interest Shares and (iii) shares of Common Stock issuable upon exercise of the
Warrants to purchase Common Stock issued to the Initial Purchasers pursuant to
the Purchase Agreement.

               "Registrable Securities" has the meaning specified in the
Registration Rights Agreement.

               "Registration Statement" has the meaning specified in the
Registration Rights Agreement.

               "Repurchase Price" has the meaning specified in Section 14.1.

               "Securities" shall have the meaning specified in Section 13.5(d).

               "Securities Act" shall mean the Securities Act of 1933, as
amended, and the rules and regulations promulgated thereunder.

               "Senior Default Notice" has the meaning specified in Section 4.2.

               "Senior Indebtedness" shall mean the principal of, premium, if
any, interest on (including any interest accruing after the filing of a petition
by or against the Company under any bankruptcy law, whether or not allowed as a
claim after such filing in any proceeding under such bankruptcy law) and any
other payment due pursuant to any of the following, whether outstanding on the
date of this Indenture or thereafter incurred or created:

                                       6

<PAGE>
               (a) All indebtedness of the Company for monies borrowed (i) from
banks, trust companies, insurance companies, equipment leasing companies or
other financial institutions that in the ordinary course of business make loans
(each, a "Qualified Lender"), including without limitation, all indebtedness
represented by the Congress Facility or (ii) as evidenced by debt securities
that are not exercisable or convertible into or exchangeable for capital stock
of the Company and that are sold in a registered public offering or in one or
more transactions in connection with resales of such debt securities pursuant to
Rule 144A under the Securities Act;

               (b) All indebtedness of the Company due and owing with respect to
letters of credit (including, but not limited to, reimbursement obligations with
respect thereto) issued by Qualified Lenders;

               (c) All indebtedness or other obligations of the Company due and
owing with respect to interest rate and currency swap agreements, cap, floor and
collar agreements, currency spot and forward contracts and other similar
agreements and arrangements entered into with Qualified Lenders;

               (d) All indebtedness consisting of commitment or standby fees due
and payable to Qualified Lenders with respect to credit facilities or letters of
credit available to the Company;

               (e) All obligations of the Company under leases required or
permitted to be capitalized under generally accepted accounting principles and
entered into with Qualified Lenders;

               (f) All indebtedness or obligations of others of the kinds
described in any of the preceding clauses (a), (b), (c), (d) or (e) due or owing
to Qualified Lenders assumed by or guaranteed in any manner by the Company or in
effect guaranteed (directly or indirectly) by the Company through an agreement
to purchase, contingent or otherwise, and all obligations of the Company under
any such guarantee or other arrangements;

               (g) All indebtedness of the Company due and owing to Via
Technologies, Inc. in an aggregate principal amount not to exceed $15,000,000 or
the equivalent thereof in any other currency or composite currency (the "Via
Indebtedness"); and

               (h) All renewals, extensions, refunds, deferrals, amendments or
modifications of indebtedness or obligations of the kinds described in any of
the preceding clauses (a), (b), (c), (d), (e) or (f) above entered into with
Qualified Lenders and, in the case of (g) above, subject to the $15,000,000
limitation set forth therein; unless in the case of any particular indebtedness,
obligation, renewal, extension, refunding, amendment, modification or
supplement, the instrument or other document creating or evidencing the same or
the assumption or guarantee of the same expressly provides that such
Indebtedness, obligation, renewal, extension, refunding, amendment, modification
or supplement is subordinate to, or is not superior to, or is pari passu with,
the Debentures; provided that "Senior Indebtedness" shall not include (i) any
indebtedness of any kind of the Company to any Subsidiary, (ii) indebtedness,
other than the Via Indebtedness, for trade payables or constituting the deferred
purchase price of assets or services

                                       7

<PAGE>
incurred in the ordinary course of business, (iii) indebtedness of the Company
evidenced by the Debentures, which shall rank equally and ratably with each
other and (iv) Subordinated Indebtedness, including, without limitation, the
Subordinated Notes.

               "Significant Subsidiary" shall mean, with respect to any person,
a Subsidiary of such person organized under the laws of the United States of
America, any state thereof, or the District of Columbia that would constitute a
"significant subsidiary" as such term is defined under Rule 1-02 of Regulation
S-X of the Commission (as such Regulation is in effect on the date hereof).

               "Subordinated Indebtedness" means any Indebtedness of the Company
that is expressly subordinated in right of payment to the Debentures, including,
without limitation, the Subordinated Notes.

               "Subordinated Notes" shall mean the Company's 5 3/4% Subordinated
Convertible Notes due 2003 (CUSIP No. 784849AA9) issued pursuant to the 1996
Indenture.

               "Subsidiary" shall mean a corporation more than 50% of the
outstanding voting stock of which is owned, directly or indirectly, by the
Company or by one or more other Subsidiaries, or by the Company and one or more
other Subsidiaries. For the purposes of this definition, "voting stock" means
capital stock which ordinarily has voting power for the election of directors,
whether at all times or only so long as no senior class of capital stock has
such voting power by reason of any contingency.

               "Termination of Trading" shall have occurred if the Common Stock
of the Company (or other common stock into which the Debentures are then
convertible) is neither listed for trading on a United States national
securities exchange nor approved for trading on an established automated
over-the-counter trading market in the United States.

               "Trading Day" has the meaning specified in Section 13.5(g)(5).

               "Trigger Event" shall have the meaning specified in Section
13.5(d).

               "UMC" has the meaning specified in Section 4.6.

                                   ARTICLE II

                   ISSUE, DESCRIPTION, EXECUTION, REGISTRATION
                           AND EXCHANGE OF DEBENTURES

               SECTION 2.1 Designation, Amount and Issue of Debentures. The
Debentures shall be designated as "7-3/4% Secured Senior Subordinated
Convertible Debentures due 2005". Debentures not to exceed the aggregate
principal amount of $75,000,000 upon the execution of this Indenture, or from
time to time thereafter, may be executed by an officer of the Company authorized
by the Board of Directors and delivered to the holders of Debentures.

               SECTION 2.2 Form of Debentures. The Debentures shall be
substantially in the form set forth in Exhibit A, which is incorporated in and
made a part of this Indenture.

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<PAGE>
               On the date hereof, Debentures shall be issued directly to the
Initial Purchasers.

               The terms and provisions contained in the form of Debenture
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 holders
of Debentures, by their execution and delivery of this Indenture, expressly
agree to such terms and provisions and to be bound thereby.

               SECTION 2.3 Date and Denomination of Debentures; Payments of
Interest.

                      (a) The Debentures shall be issuable in certificated form
without coupons in minimum denominations of $250,000 principal amount and
integral multiples of $1,000 in excess thereof. Every Debenture shall be dated
the date hereof, shall bear interest from the date hereof and shall be payable
on the dates specified on the face of the form of Debenture, attached as Exhibit
A hereto. Interest on the Debentures shall be computed on the basis of a 360-day
year comprised of twelve 30-day months.

                      (b) Notwithstanding anything herein or in the Debentures
to the contrary, payments of interest on the Debentures shall be payable either
in all cash (the "All Cash Interest Option") or, at the option of the Company,
subject to the limitations set forth in this Section 2.3(b) and in Sections 15.7
and 15.8 hereof, 50% of each interest payment may be made in shares of Common
Stock ("Interest Shares") and 50% of each interest payment may be made in cash
(the "Mixed Interest Option"), provided; however; that the Company may not
select the Mixed Interest Option and interest payments which accrued during any
period shall be payable only in cash unless the Company provides written notice
("Mixed Interest Option Election Notice") to each holder of Debentures at least
five (5) Trading Days prior to the applicable interest payment date; provided,
further, that in no event may the Company deliver to any holder more than
200,000 Interest Shares in respect of any payment of interest due hereunder to
such holder, in which case the balance of such interest payment shall be made
only in cash. Interest Shares shall be paid in a number of fully paid and
nonassessable shares (rounded up or down to the nearest whole share) of Common
Stock equal to the quotient of (i) 50% of the amount of the interest payment due
on the applicable interest payment date divided by (ii) 95% of the average of
the Closing Prices of the Common Stock for the five consecutive Trading Days
ending on and including the third Trading Day immediately preceding the
applicable interest payment date (the "Interest Share Conversion Rate").
Notwithstanding the foregoing, the Company shall be required to make interest
payments in cash only if (x) any event constituting a default or an Event of
Default has occurred and is continuing on the applicable interest payment date
or any date which is within 10 Trading Days prior to the applicable interest
payment date, unless otherwise consented to in writing by the holder of the
Debenture entitled to receive such interest payment or (y) from and after the
time that any Registration Statement is required to be effective, such
Registration Statement is not effective and available for the resale of all of
the Registrable Securities on the applicable interest payment date or each date
which is within 10 Trading Days prior to the applicable interest payment date.

                      (c) The person in whose name any Debenture (or its
Predecessor Debenture) is registered at the close of business on any record date
with respect to any interest payment date (including any Debenture that is
converted after the record date and on or before the interest payment date)
shall be entitled to receive the interest payable on such interest

                                       9

<PAGE>
payment date notwithstanding the cancellation of such Debenture upon any
transfer, exchange or conversion subsequent to the record date and on or prior
to such interest payment date; provided that in the case of any Debenture, or
portion thereof, called for redemption pursuant to Article III on a redemption
date or repurchased by the Company pursuant to Article XIV on a repurchase date
during the period from the close of business on the record date to the close of
business on the Business Day next preceding the following interest payment date,
interest shall not be paid to the person in whose name the Debenture, or portion
thereof, is registered on the close of business on such record date, and the
Company shall have no obligation to pay interest on such Debenture or portion
thereof except to the extent required to be paid upon such redemption or
repurchase in accordance with Article III or Article XIV. The term "record date"
with respect to any interest payment date shall mean the February 15 or August
15 (whether or not a Business Day) next preceding the March 1 or September 1
interest payment date, respectively.

               SECTION 2.4 Execution of Debentures. The Debentures shall be
signed in the name and on behalf of the Company by the manual or facsimile
signature of its Chairman of the Board, its President and Chief Executive
Officer, any of its Senior Vice Presidents, or any of its Vice Presidents
(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 manual or facsimile
signature of its Secretary or any of its Assistant Secretaries. The holders of
all Debentures shall be entitled to the benefits of this Indenture.

               SECTION 2.5 Exchange and Registration of Transfer of Debentures;
Restrictions on Transfer.

                      (a) The Company shall cause to be kept at its principal
place of business a register (the register maintained in such office referred to
as the "Debenture register") in which, subject to such reasonable regulations as
it may prescribe, the Company shall provide for the registration of Debentures
and of transfers of Debentures. Such register shall be in written form or in any
form capable of being converted into written form within a reasonable period of
time.

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

               Subject to the other provisions of this Section 2.5(a),
Debentures may be exchanged for other Debentures of any authorized denominations
and of a like aggregate principal amount, upon surrender of the Debentures to be
exchanged at the Company's principal place of business. Whenever any Debentures
are so surrendered for exchange, the Company shall execute and deliver the
Debentures which the Debenture holder making the exchange is entitled to
receive.

               All Debentures presented or surrendered for registration of
transfer or for exchange shall be duly endorsed, or be accompanied by a written
instrument or instruments of

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<PAGE>
transfer in form reasonably satisfactory to the Company and duly executed by the
Debenture holder thereof or its attorney duly authorized in writing.

               No service charge shall be charged to the Debenture holder for
any exchange or registration of transfer of Debentures, but the Company may
require payment of a sum sufficient to cover any tax, assessments or other
governmental charges that may be imposed in connection therewith.

               The Company shall not be required to exchange or register a
transfer of (a) any Debentures for a period of fifteen (15) days next preceding
any selection of Debentures to be redeemed or (b) subject to Section 3.2, any
Debentures called for redemption or, if a portion of any Debenture is selected
or called for redemption, such portion thereof selected or called for redemption
or (c) subject to Article XIII, any Debentures surrendered for conversion or, if
a portion of any Debenture is surrendered for conversion, such portion thereof
surrendered for conversion.

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

                      (b) Mutilated, Destroyed, Lost or Stolen Debentures. In
the event that any holder of Debentures notifies the Company that its
Debenture(s) have been lost, stolen or destroyed, replacement Debenture(s)
identical in all respects to the original Debenture(s) (except for registration
number and outstanding principal amount, if different than that shown on the
original Debenture(s)) shall be issued by the Company to such holder, provided
that the holder of such Debenture executes and delivers to the Company an
agreement reasonably satisfactory to the Company to indemnify the Company from
any loss incurred by it in connection with such Debenture(s).

                                   ARTICLE III

                            REDEMPTION OF DEBENTURES

               SECTION 3.1 Redemption Price. The Company may, at its option at
any time and from time to time, redeem all or any part of the Debentures on any
date prior to maturity, upon notice as set forth in Section 3.2, at 100% of the
principal amount, together with accrued interest, if any, to, but excluding, the
date fixed for redemption.

               SECTION 3.2 Notice of Redemption; Selection of Debentures. In
case the Company shall desire to exercise the right to redeem all or, as the
case may be, any part of the Debentures pursuant to Section 3.1, it shall fix a
date for redemption, and it shall deliver to each holder of Debentures a written
notice of such redemption at least twenty (20) and not more than sixty (60) days
prior to the date fixed for redemption to the holders of Debentures so to be
redeemed as a whole or in part at their last addresses as the same appear on the
Debenture register. Such delivery shall be made by fax and overnight courier in
accordance with Section 15.3 hereof.

                                       11

<PAGE>
               Each such notice of redemption shall specify the aggregate
principal amount of Debentures to be redeemed, the date fixed for redemption,
the redemption price at which Debentures are to be redeemed, the place or places
of payment, that payment will be made upon presentation and surrender of such
Debentures, that interest accrued to, but excluding, 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 unless the Company fails to make such redemption, in which case interest
shall continue to accrue as provided in Section 2.3(a) and principal and
interest shall continue to be payable in accordance with the terms hereof. Such
notice shall also state the current Conversion Price and the date on which the
right to convert such Debentures or portions thereof into Common Stock will
expire. If fewer than all the Debentures are to be redeemed, the notice of
redemption shall identify the Debentures to be redeemed. In case any Debenture
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 Debenture, a new Debenture
or Debentures 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, the Company will pay in
immediately available funds to an account designated on the Schedule of Buyers
attached hereto (as the same may be changed by delivery of written instructions
by such holder to the Company at least two Business Days prior to the date of
such payment) an amount of money sufficient to redeem on the redemption date all
the Debentures (or portions thereof) so called for redemption (other than those
theretofore surrendered for conversion into Common Stock) at the redemption
price provided above, 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 holder by 10:00 a.m. New York City time, on such
date.

               Notwithstanding anything herein to the contrary, any redemption
effected by the Company pursuant to this Section 3.2 shall be made, on a pro
rata basis, among all holders of Debentures.

               If any Debenture selected for partial redemption is converted in
part after such selection, the converted portion of such Debenture shall be
deemed (so far as may be) to be the portion to be selected for redemption. The
Debentures (or portions thereof) so selected shall be deemed duly selected for
redemption for all purposes hereof, notwithstanding that any such Debenture is
converted as a whole or in part before the delivery of the notice of redemption.
If any Debenture is to be redeemed in part only, a new Debenture or Debentures
in principal amount equal to the unredeemed principal portion thereof shall be
issued.

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

                                       12

<PAGE>
               SECTION 3.3 Payment of Debentures Called for Redemption. If
notice of redemption has been given as above provided, the Debentures or portion
of Debentures 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 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 interest on the Debentures or
portion of Debentures so called for redemption shall cease to accrue and such
Debentures 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
to be entitled to any benefit or security under this Indenture. On presentation
and surrender of such Debentures at a place of payment in said notice specified,
the said Debentures or the specified portions thereof to be redeemed 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 Debentures registered as such on the relevant record date
subject to the terms and provisions of Section 2.3 hereof.

               Upon presentation of any Debenture redeemed in part only, the
Company shall execute and deliver to the holder thereof, at the expense of the
Company, a new Debenture or Debentures, of authorized denominations, in
principal amount equal to the unredeemed portion of the Debentures so presented.

                                   ARTICLE IV

                           SUBORDINATION OF DEBENTURES

               SECTION 4.1 Agreement of Subordination. The Company covenants and
agrees, and each holder of Debentures issued hereunder by its acceptance thereof
likewise covenants and agrees, that all Debentures shall be issued subject to
the provisions of this Article IV; and each person holding any Debenture,
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 on
all Debentures (including, but not limited to, the redemption price or
repurchase price with respect to the Debentures to be redeemed or repurchased,
as provided in this Indenture) issued hereunder 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.

               The Company and the holders of Debentures agree that the
Debentures constitute "Senior Indebtedness" under the 1996 Indenture and that
the holders of Debentures are entitled to the rights and benefits of a holder of
"Senior Indebtedness" under the 1996 Indenture.

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

                                       13

<PAGE>
               SECTION 4.2 Payments to Debenture Holders. In the event and
during the continuation of any default in the payment of principal, premium,
interest or any other payment due on any Senior Indebtedness (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), then, unless and until
such default shall have been cured or waived or shall have ceased to exist, no
payment shall be made by the Company with respect to the principal of, or
premium, if any, or interest on, the Debentures (including, but not limited to,
the redemption price or repurchase price with respect to the Debentures to be
redeemed or repurchased, as provided in this Indenture).

               In the event (i) any event of default with respect to any Senior
Indebtedness shall have occurred and be continuing which permits the holders of
such Senior Indebtedness (or a trustee or other representative on behalf of the
holders thereof) to declare such Senior Indebtedness due and payable prior to
the date on which it would otherwise have become due and payable, upon written
notice thereof to the Company and each holder of Debentures by any holders of
Senior Indebtedness to which such event of default relates (or a trustee or
other representative on behalf of the holders thereof) (a "Senior Default
Notice"), unless and until such event of default shall have been cured or waived
or shall have ceased to exist and such acceleration shall have been rescinded or
annulled, or (ii) any judicial proceeding shall be pending with respect to any
such event of default, then no payment shall be made by the Company, directly or
indirectly, with respect to principal of, premium, if any, or interest on the
Debentures, provided, however, that clause (i) of this paragraph shall not
prevent the making of any such payment for more than 179 days after a Senior
Default Notice shall have been received by each holder of Debentures unless the
Senior Indebtedness in respect of which such event of default exists has been
declared due and payable in its entirety, in which case no such payment may be
made until such acceleration has been rescinded or annulled or such Senior
Indebtedness has been paid in full. Notwithstanding the foregoing, no event of
default which existed or was continuing on the date of any Senior Default Notice
shall be made the basis for the giving of a second Senior Default Notice; and,
provided, further, that only one such Senior Default Notice may be given during
any period of 360 consecutive days, regardless of the number of defaults with
respect to Senior Indebtedness during such 360-day period. Notwithstanding the
foregoing, the Company may make and the holders of Debentures may receive and
apply any payment in respect of the Debentures (for principal, and premium, if
any, or interest) if such payment was made prior to the occurrence of any of the
contingencies specified in clauses (i) and (ii) above. In addition, nothing in
this paragraph shall prevent the Company from making or the holders of
Debentures from receiving or applying any payment in connection with the
redemption of the Debentures if the first publication of notice of redemption
(whether by mail or otherwise in accordance with this Indenture) has been made
prior to the occurrence of any of the contingencies specified in clauses (i) and
(ii) above.

               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 total or partial liquidation or
reorganization of the Company, whether voluntary or involuntary or in
bankruptcy, insolvency, receivership or other proceedings (other than as
permitted in Article XI), all amounts due or to become due upon all Senior
Indebtedness shall first be paid in full, or payment thereof provided for in
money in accordance with its terms, before any payment is made on account of the
principal (and premium, if any) or interest on the

                                       14

<PAGE>
Debentures; and upon any such dissolution or winding-up or liquidation or
reorganization or bankruptcy, insolvency, receivership or other such
proceedings, 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 Debentures under this Indenture 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 Debentures under this Indenture if received by them, 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 respective 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 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 Debentures under this Indenture.

               In the event that, notwithstanding the foregoing, 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, shall be received by any holders of the
Debentures before all Senior Indebtedness is paid in full, or provision is made
for such payment in accordance with its terms, such payment or distribution
shall be held by the recipient or recipients in trust for the benefit of, and
shall be paid over or delivered to, the holders of Senior Indebtedness or their
respective 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 all Senior
Indebtedness remaining unpaid to the extent necessary to pay all Senior
Indebtedness in full in accordance with its terms, after giving effect to any
concurrent payment or distribution (or provision therefor) to or for the holders
of such Senior Indebtedness.

               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 Debentures) 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 such reorganization or adjustment and
(ii) the rights of the holders of Senior Indebtedness (other than leases which
are not assumed by the Company or by 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 dissolution of the
Company following the conveyance or transfer of all or substantially all its
property to another corporation upon the terms and conditions provided for in
Article XI 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 XI. This Section 4.2 shall be subject to
the further provisions of Section 4.5.

                                       15

<PAGE>
               SECTION 4.3 Subrogation of Debentures. Subject to the payment in
full of all Senior Indebtedness, the rights of the holders of the Debentures
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 to the rights of the holders of Senior Indebtedness to receive payments or
distributions of cash, property or securities of the Company applicable to the
Senior Indebtedness until the principal of (and premium, if any) and interest on
the Debentures 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 Debentures 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 Debentures, shall, as between
the Company, its creditors other than holders of Senior Indebtedness, and the
holders of the Debentures, 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 Debentures
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 Debentures. 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 Debentures, 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 Debentures is intended to or shall impair, as among the
Company, its creditors other than the holders of Senior Indebtedness, and the
holders of the Debentures, the obligation of the Company, which is absolute and
unconditional, to pay to the holders of the Debentures the principal of (and
premium, if any) and interest on the Debentures 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 Debentures and creditors
of the Company other than the holders of the Senior Indebtedness, nor shall
anything herein or therein prevent any holder of any Debenture 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 holders of the Debentures 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 holders of the Debentures, 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, the amount or amounts paid or distributed
thereon and all other facts pertinent thereto or to this Article IV.

               SECTION 4.4 Notice to Debenture Holders. The Company shall give
prompt written notice in the form of an Officers' Certificate to each holder of
Debentures of any fact known to the Company which would prohibit the making of
any payment of monies in respect of the Debentures pursuant to the provisions of
this Article IV. Notwithstanding the provisions of

                                       16

<PAGE>
this Article IV or any other provision of this Indenture, no holder of
Debentures shall be charged with knowledge of the existence of any default or
event of default with respect to any Senior Indebtedness or of any other facts
which would prohibit the making of any payment of monies in respect of the
Debentures pursuant to the provisions of this Article IV, unless and until such
holder of Debenture(s) shall have received written notice thereof from the
Company (in the form of an Officers' Certificate) or a holder or holders of
Senior Indebtedness or from any trustee thereof who shall have been certified by
the Company or otherwise established to the reasonable satisfaction of the
Debenture holder to be such holder or trustee; and before the receipt of any
such written notice, the holders of Debentures shall be entitled in all respects
to assume that no such facts exist. Nothing contained in this Section 4.4 shall
limit the right of the holders of Senior Indebtedness to recover payments as
contemplated by Section 4.2.

               Notwithstanding anything to the contrary hereinbefore set forth,
nothing shall prevent (a) any payment by the Company to the Debenture holders of
amounts in connection with a redemption of Debentures if (i) notice of such
redemption has been given pursuant to Section 3.2 prior to the receipt by the
Debenture holders of written notice under this Section 4.4, and (ii) such notice
of redemption is given not earlier than sixty (60) days before the redemption
date or (b) any payment by the Company to the Debenture holders of amounts in
connection with a repurchase of Debentures if (i) notice of such repurchase has
been given pursuant to Article XIV prior to the receipt by the Debenture holders
of written notice under this Section 4.4 and (ii) such notice of repurchase is
given not earlier than forty (40) days before the repurchase date.

               SECTION 4.5 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 4.6 Certain Conversions Deemed Payment. For the purposes
of this Article only, (1) the issuance and delivery of junior securities upon
conversion of Debentures in accordance with Article XIII or in respect of
payments of interest pursuant to Section 2.3 hereof and the pledge, issuance and
delivery of common shares of United Microelectronics Corporation, a corporation
duly organized and validly existing under the laws of the Republic of China and
having its principal place of business at 300 No. 3, Li-hsin Rd. II,
Science-Based Industrial Park, Hsinchu, Taiwan, R.O.C. ("UMC") pursuant to the
Pledge and Security Agreement dated the date hereof among the Company and the
Initial Purchasers (the "Pledge Agreement") shall not be deemed to constitute a
payment or distribution on account of the principal of (or premium, if any) or
interest on Debentures or on account of the purchase or other acquisition of
Debentures, and (2) the payment, issuance or delivery of cash (except in
satisfaction of fractional shares pursuant to Section 13.3), property or
securities (other than junior securities) upon conversion of a Debenture shall
be deemed to constitute payment on account of the principal of such Debenture.
For the purposes of this Section, the term "junior securities" means (a) shares
of any capital stock of any class of the Company and (b) securities of the
Company which are subordinated in right of payment to all Senior Indebtedness
which 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 Debentures
are so subordinated and provided in this

                                       17

<PAGE>
Article. Nothing contained in this Article or elsewhere in this Indenture or in
the Debentures is intended to or shall impair, as among the Company, its
creditors other than holders of Senior Indebtedness and the holders of the
Debentures, the right, which is absolute and unconditional, of the holder of any
Debenture to convert such Debenture in accordance with Article XIII.

               SECTION 4.7 No Impairment to Rights to Collateral.
Notwithstanding anything to the contrary in this Article IV or otherwise in this
Indenture, nothing shall impair, delay, limit or prohibit any holder of
Debentures from exercising or enforcing any rights or remedies available to such
holder under the Pledge Agreement (and without notice to any holder of Senior
Indebtedness), whether or not otherwise prohibited by this Indenture and whether
or not such exercise or enforcement occurs in connection with any dissolution or
winding-up or total or partial liquidation or reorganization of the Company,
whether voluntary or involuntary or in bankruptcy, insolvency, receivership or
other proceedings, and no holder of Debentures shall have any obligation to
hold, set aside or pay over to or for the benefit of any of the Company or any
holder of Senior Indebtedness any of the collateral secured under the Pledge
Agreement or proceeds therefrom.

                                    ARTICLE V

                       PARTICULAR COVENANTS OF THE COMPANY

               SECTION 5.1 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, and interest on each of the
Debentures at the places, at the respective times and in the manner provided
herein and in the Debentures. Each installment of interest on the Debentures due
on any semi-annual interest payment date shall be paid (a) by wire transfer in
immediately available funds in accordance with the wire transfer instructions
designated on the Schedule of Buyers attached hereto (as the same may be changed
by delivery of written instructions by such holder to the Company at least two
Business Days prior to the date of such payment) and (b) in the case of interest
payments made in Interest Shares, in shares of Common Stock, as provided in
Section 2.3(b).

               SECTION 5.2 Deliveries. In all instances under this Indenture,
the Debentures may be surrendered for registration of transfer or exchange or
for presentation for payment or for conversion, redemption or repurchase and
notices and demands to or upon the Company in respect of the Debentures and this
Indenture may be served to the Company in accordance with the notice provisions
of Section 15.3.

               SECTION 5.3 Existence. Subject to Article XI, the Company will do
or cause to be done all things necessary to preserve and keep in full force and
effect its corporate existence.

               SECTION 5.4 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 (and
premium, if any) or interest on the Debentures as contemplated herein,

                                       18

<PAGE>
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 Debenture
holders, but will suffer and permit the execution of every such power as though
no such law has been enacted.

               SECTION 5.5 Compliance Certificate. The Company shall deliver to
each Debenture holder within 120 days after the end of each fiscal year of the
Company (beginning with the fiscal year ending on December 31, 2002) an
Officers' Certificate stating whether or not the signers know of any Event of
Default that occurred during such period. If the signers have knowledge of any
such Event of Default, such Officers' Certificate shall describe the Event of
Default and its status.

               SECTION 5.6 Further Instruments and Acts. Upon the reasonable
request of any Debenture holder, the Company will execute and deliver such
further instruments and do such further acts as may be reasonably necessary or
proper to carry out more effectively the purposes of this Indenture.

               SECTION 5.7 Restriction on Redemption, Repayments, Stock
Repurchases. The Company shall not, and the Company shall not permit any of the
Subsidiaries, its Affiliates, or any agent, broker, dealer or other Person by or
on behalf of the Company to, directly or indirectly, (a) redeem, defease,
repurchase, repay or make any payments in respect of, by the payment of cash or
marketable securities, including, without limitation, common shares of UMC (in
whole or in part, whether by way of open market purchases, tender offers,
private transactions or otherwise) (i) all or any portion of any Subordinated
Indebtedness of the Company, including, without limitation, the Subordinated
Notes, whether by way of payment in respect of principal of (or premium, if any)
or interest on, such Subordinated Indebtedness or otherwise, or (ii) any capital
stock of the Company, including, without limitation, by way of the payment of
any dividends or other distributions thereon (other than such dividends or
distributions by the Company made in Common Stock or of rights pursuant to any
stockholders' rights plan adopted by the Company as of the date hereof);
provided, however, that, so long as no event constituting a default or an Event
of Default has occurred and is continuing on the date any of the following
payments is due or is otherwise made, the Company may, without regard to the
foregoing limitation (A) pay in cash scheduled interest payments, in each case
in the manner set forth in the original documentation governing such
Subordinated Indebtedness at an annual rate not to exceed 15% per annum on the
principal amount of such Subordinated Indebtedness, (B) pay in cash regularly
scheduled dividends in respect of any capital stock of the Company, other than
Common Stock, in the manner set forth in the constituent document of the Company
governing the rights, preferences and limitations of such preferred capital
stock at an annual rate not to exceed 15% per annum on the stated value of such
preferred capital stock, (C) redeem, repurchase or otherwise acquire for value
any Common Stock held by any employee, consultant or director of the Company or
any of its Subsidiaries pursuant to any stock option plan or restricted stock
plan, or any employee, consultant, director or management equity subscription
agreement or stock option agreement, approved by the Board of Directors;
provided, that such redemption, repurchase or acquisition is expressly required
of the Company or any Subsidiary by the terms of the plan or agreement pursuant
to which such Common Stock was originally issued;

                                       19

<PAGE>
provided, further, that in no event shall redemptions, repurchases or other
acquisitions of Common Stock pursuant to this Section 5(a)(ii)(C) require
expenditures of cash or other value that exceeds in the aggregate $1,000,000 in
any twelve-month period and (D) issue Common Stock and/or warrants to purchase
Common Stock (provided that such warrants do not require or permit any payment
of cash by or on behalf of the Company in respect of such warrants, other than
payments in respect of fractional shares) to holders of Subordinated Notes in
connection with a Complete Restructuring or any Partial Restructuring pursuant
to Article VIII hereof or (b) announce or effect any redemption of all or any
portion of the Subordinated Notes until not less than thirty (30) days following
the redemption of all Debentures in accordance with Article III hereof or other
payment in full of the Debentures.

               SECTION 5.8 Anti-Layering. The Company shall not, and the Company
shall not permit any of the Subsidiaries to, directly or indirectly, incur or
suffer to exist any Indebtedness that is both (a) subordinate or junior in right
of payment to any Senior Indebtedness and (b) senior or pari passu in any
respect in right of payment to the Debentures; provided, that notwithstanding
the foregoing limitation, the Company and/or any of the Subsidiaries may incur
indebtedness that is pari passu in right of payment to the Debentures up to an
aggregate amount not to exceed $25,000,000 at any time.

                                   ARTICLE VI

                             REPORTS BY THE COMPANY

               SECTION 6.1 Reports by Company. The Company shall deliver to each
Debenture holder (a) as soon as available and in any event within ninety (90)
days after the end of each fiscal year of the Company (i) a consolidated balance
sheet of the Company and its subsidiaries as of the end of such fiscal year and
the related consolidated statements of operations, stockholders' equity and cash
flows for such fiscal year, all reported on by an independent public accountant
of nationally recognized standing and (ii) a report containing a management's
discussion and analysis of the financial condition and results of operations and
a description of the business and properties of the Company and (b) as soon as
available and in any event within forty five (45) days after the end of each of
the first three quarters of each fiscal year of the Company (i) an unaudited
consolidated balance sheet of the Company and its subsidiaries as of the end of
each such quarter and the related consolidated statements of operations and cash
flows for such fiscal quarter and (ii) a report containing a management's
discussion and analysis of the financial condition and results of operations of
the Company for such quarter.

                                   ARTICLE VII

                              DEFAULTS AND REMEDIES

               SECTION 7.1 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:

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<PAGE>
                      (a) default in the payment of the principal of and
premium, if any, on any of the Debentures as and when the same shall become due
and payable, either at maturity or in connection with any redemption or
repurchase, by declaration or otherwise, whether or not such payment is
prohibited by the provisions of Article IV; or

                      (b) default in the payment of any installment of interest
upon any of the Debentures 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 prohibited by the provisions of Article IV; or

                      (c) a default in the payment of the Repurchase Price in
respect of any Debenture on the repurchase date therefor in accordance with the
provisions of Article XIV, whether or not such payment is prohibited by the
provisions of Article IV; or

                      (d) 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 Debentures or in this Indenture (other than a covenant or agreement a
default in whose performance or whose breach is elsewhere in this Section
specifically dealt with) and, if such failure is capable of cure, such failure
continues 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 any holder of Debentures; or

                      (e) failure by the Company or any Significant Subsidiary
to make any payment when due and payable, including any applicable grace period,
in respect of indebtedness, which term as used herein means obligations (other
than the Debentures or non-recourse obligations) of, or guaranteed or assumed
by, the Company, or any Significant Subsidiary, for borrowed money or evidenced
by bonds, debentures, notes or other similar instruments ("Indebtedness") in an
amount in excess of $15,000,000 or the equivalent thereof in any other currency
or composite currency and such failure shall have continued for thirty (30) days
after written notice thereof shall have been given to the Company by any holder
of Debentures; or

                      (f) a default by the Company or any Significant Subsidiary
with respect to any Indebtedness, which default results in the acceleration of
Indebtedness in an amount in excess of $15,000,000 or the equivalent thereof in
any other currency or composite currency without such Indebtedness having been
discharged or such acceleration having been cured, waived, rescinded or annulled
for a period of thirty (30) days after written notice thereof shall have been
given to the Company by any holder of Debentures; or

                      (g) 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 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 substantial part of its property, 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
shall make a general assignment for the benefit of creditors, or shall fail
generally to pay its debts as they become due; or

                                       21

<PAGE>
                      (h) 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 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 substantial part of its property, and such
involuntary case or other proceeding shall remain undismissed and unstayed for a
period of ninety (90) consecutive days; or

                      (i) (A) the failure on the part of the Company duly to
observe or perform any of the covenants or agreements on the part of the Company
in the Pledge Agreement or the Option Agreement dated the date of this Indenture
among the Company and the Initial Purchasers (the "Option Agreement") or (B) the
failure of the Company to make any cash payment when due and payable under any
of the Registration Rights Agreement, the Purchase Agreement or the Warrants
issued to the Initial Purchasers pursuant to the Purchase Agreement; and, in the
case of any such failure, such failure, if capable of cure, continues for a
period of thirty (30) 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 any holder of Debentures;

                      (j) the failure on the part of the Company duly to observe
or perform the covenants set forth in Section 4(o) of the Purchase Agreement;

                      (k) failure by the Company or any Significant Subsidiary
to make any payment when due and payable, including any applicable grace period,
in respect of Indebtedness, other than Senior Indebtedness, in an amount in
excess of $10,000,000, individually or in the aggregate, or the equivalent
thereof in any other currency or composite currency and such failure shall have
continued for thirty (30) days after written notice thereof shall have been
given to the Company by any holder of Debentures; or

                      (l) failure by the Company to make any payment when due
and payable, including any applicable grace period, in respect of any of the
Subordinated Notes,

then, and in each and every such case (other than an Event of Default specified
in Section 7.1(g) or (h)), unless the principal of all of the Debentures shall
have already become due and payable, the holders of not less than a majority in
aggregate principal amount of the Debentures then outstanding hereunder
determined in accordance with Section 9.3, by notice in writing to the Company
may declare the principal of and premium, if any, on all the Debentures and the
interest accrued thereon 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 Debentures contained to the contrary
notwithstanding. If an Event of Default specified in Section 7.1(g) or (h)
occurs and is continuing, the principal of all the Debentures and the interest
accrued thereon shall be immediately due and payable. This provision, however,
is subject to the conditions that if, at any time after the principal of the
Debentures 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 a sum sufficient to pay all
matured installments of interest upon all Debentures and the principal of, and
premium, if any, on, any and all Debentures which shall have become due
otherwise than by acceleration (with interest on overdue installments of
interest (to the extent that payment of such interest is

                                       22

<PAGE>
enforceable under applicable law) and on such principal and premium, if any, at
the rate borne by the Debentures, to the date of such payment or deposit) and
the reasonable expenses, disbursements and advances reasonably incurred or made
by any Debenture holder to enforce its rights under this Section 7.1 or any of
the other provisions of this Indenture, then and in every such case the holders
of not less than a majority in aggregate principal amount of the Debentures then
outstanding, by written notice to the Company, 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 each Debenture holder, promptly upon becoming
aware thereof, of any Event of Default. The Company shall also notify each
Debenture holder, promptly upon becoming aware thereof, of any of the following:
(i) any failure by the Company or any Significant Subsidiary to make any payment
when due and payable, including any applicable grace period, in respect of
Indebtedness in an amount in excess of $15,000,000 or the equivalent thereof in
any other currency or composite currency, (ii) any default by the Company or any
Significant Subsidiary with respect to any Indebtedness, which default results
in the acceleration of Indebtedness in an amount in excess of $15,000,000 or the
equivalent thereof in any other currency or composite currency, (iii) failure by
the Company or any Significant Subsidiary to make any payment when due and
payable, including any applicable grace period, in respect of Indebtedness,
other than Senior Indebtedness, in an amount in excess of $10,000,000,
individually or in the aggregate, or the equivalent thereof in any other
currency or composite currency and (iv) failure by the Company to make any
payment when due and payable, including any applicable grace period, in respect
of the Subordinated Notes.

               In case any Debenture holder 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 such Debenture holder, then
and in every such case the Company and the holders of Debentures shall be
restored respectively to their several positions and rights hereunder, and all
rights, remedies and powers of the Company and the holders of Debentures shall
continue as though no such proceeding had been instituted.

               SECTION 7.2 Payments of Debentures on Default; Suit Therefor. The
Company covenants that (a) in case default shall be made in the payment by the
Company of any installment of interest upon any of the Debentures 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 Debentures as and
when the same shall have become due and payable, either at maturity or in
connection with any redemption or repurchase, by declaration under this
Indenture or otherwise, then, upon demand of holders of not less than a majority
of the then outstanding principal amount of Debentures, the Company will pay to
the holders of the Debentures, the whole amount that then shall have become due
and payable on all such Debentures for principal and premium, if any, or
interest, or both, 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 at
the rate borne by the Debentures; and, in addition thereto, such further amount
as shall be sufficient to cover the costs and expenses of collection, including
reasonable expenses of the Debenture holders and a single counsel incurred by
the Debenture holders hereunder. Until such demand by such holders, the Company
may pay

                                       23

<PAGE>
the principal of (premium, if any) and interest on the Debentures to the
registered holders, whether or not the Debentures are overdue.

               In case the Company shall fail forthwith to pay such amounts upon
such demand, each Debenture holder 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 to such Debenture holder, 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 Debentures and
collect in the manner provided by law out of the property of the Company or any
other obligor on the Debentures wherever situated the monies adjudged or decreed
to be payable.

               In case there shall be pending proceedings for the bankruptcy or
for the reorganization of the Company or any other obligor on the Debentures
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 Debentures, or to the
creditors or property of the Company or such other obligor, each Debenture
holder, irrespective of whether the principal of the Debentures shall then be
due and payable as therein expressed or by declaration or otherwise and
irrespective of whether such Debenture holder 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 owing
and unpaid in respect of such Debenture holder's Debentures, and, 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 such Debenture
holder allowed in such judicial proceedings relative to the Company or any other
obligor on the Debentures, 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, including the reasonable expenses and counsel fees referred to
above. To the extent that such payment of reasonable expenses and fees 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 Debentures 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 Debentures, may be enforced by any Debenture
holder without the possession of any of the Debentures or the production thereof
at any trial or other proceeding relative thereto.

               SECTION 7.3 Application of Monies Collected by Debenture Holders.
Any monies collected by any Debenture holder pursuant to this Article VII shall
be applied in the order following, upon presentation of the Debenture(s) of such
Debenture holder, and the notation thereon of the payment, if only partially
paid, and upon surrender thereof, if fully paid:

               First: Subject to the provisions of Article IV, in case the
principal of the outstanding Debentures shall not have become due and be unpaid,
to the payment of interest on

                                       24

<PAGE>
the Debentures in default in the order of the maturity of the installments of
such interest, with interest upon the overdue installments of interest at the
rate borne by the Debentures;

               Second: Subject to the provisions of Article IV, in case the
principal of the outstanding Debentures shall have become due, either at
maturity or in connection with any redemption or repurchase, by declaration or
otherwise, and be unpaid, to the payment of the whole amount then owing and
unpaid upon the Debentures for principal and premium, if any, and interest, with
interest on the overdue principal and premium, if any, and upon overdue
installments of interest at the rate borne by the Debentures; and in case such
monies shall be insufficient to pay in full the whole amounts so due and unpaid
upon the Debentures, then to the payment of such principal and premium, if any,
and interest without preference or priority of principal and premium, if any,
over interest, or of interest over principal and premium, if any, or of any
installment of interest over any other installment of interest, or of any
Debenture over any other Debenture; and

               Third: 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 7.4 No Impairment. Notwithstanding any other provision of
this Indenture and any provision of any Debenture, the right of any holder of
any Debenture to receive payment of the principal of (and premium, if any) and
interest on such Debenture, on or after the respective due dates expressed in
such Debenture, 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
Debentures to the contrary notwithstanding, the holder of any Debenture, without
the consent of any other holder of Debentures, 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 7.5 Remedies Cumulative and Continuing. All powers and
remedies given by this Article VII to the Debenture holders 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 holders of the Debentures, 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 any holder of any of the Debentures 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 Debenture holders may be exercised from time to time, and as often
as shall be deemed expedient, by the Debenture holders.

               SECTION 7.6 Undertaking to Pay Costs. All parties to this
Indenture agree that any court may, in its discretion, require, in any suit for
the enforcement of any right or remedy under this Indenture, 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 7.6 shall not apply to
any suit instituted by any Debenture holder, or group of

                                       25

<PAGE>
Debenture holders, holding in the aggregate more than 10% in principal amount of
the Debentures at the time outstanding determined in accordance with Section
9.3, or to any suit instituted by any Debenture holder for the enforcement of
the payment of the principal of (or premium, if any) or interest on any
Debenture (including, but not limited to, the redemption price or repurchase
price with respect to the Debentures being redeemed or repurchased as provided
in this Indenture) on or after the due date expressed in such Debenture or to
any suit for the enforcement of the right to convert any Debenture in accordance
with the provisions of Article XIII.

               SECTION 7.7 Delay Or Omission Not Waiver. No delay or omission of
any holder of any Debenture to exercise any right or remedy accruing upon any
Event of Default shall impair any such right or remedy or constitute a waiver of
any such Event of Default or any acquiescence therein. Every right and remedy
given by this Article or by law to the holders of Debentures may be exercised
from time to time, and as often as may be deemed expedient, by the holders of
Debentures.

                                  ARTICLE VIII

                   ACTIONS WITH RESPECT TO SUBORDINATED NOTES

               SECTION 8.1 Complete Restructuring. In connection with the first
time, and only the first time, the Company, directly or indirectly, shall enter
into agreement(s) to effectuate in any manner a modification to the terms of
all, but not less than all, of the Subordinated Notes outstanding on the date of
this Indenture (a "Complete Restructuring"), the Company shall (a) deliver
written notice to each holder of Debentures (a "Complete Restructuring Notice")
at the same time such notice is delivered to all holders of outstanding
Subordinated Notes, but in no event prior to the public announcement of the
Complete Restructuring, which shall state: (i) the date on which the Complete
Restructuring is to be effective and (ii) all of the terms and conditions on
which the Complete Restructuring is to be effected and (b) deliver a copy of all
agreements, certificates, instruments and other documents to be entered into in
connection with the Complete Restructuring. Contemporaneous with the
effectiveness of the Complete Restructuring, the Company and each holder of
Debentures shall execute and deliver to the others a supplemental indenture in
accordance with Article X hereof (but without regard to the requirement of
written consent of the holders of not less than a majority in aggregate
principal amount of the Debentures at the time outstanding required by Section
9.1), which supplemental indenture shall provide for a modification of the terms
of this Indenture and the Debentures to conform in all material respects with
the modifications made to the 1996 Indenture and the Subordinated Notes, shall
provide for the receipt by each holder of Debentures of a pro rata portion of
any payments or other benefits given to the holders of the Subordinated Notes in
connection with the Complete Restructuring at the same time such payments and/or
benefits are paid or given to the holders of Subordinated Notes and shall
provide for each holder of Debentures to have the continuing right after the
Complete Restructuring to participate in all future full or partial
restructurings of modifications or amendments to the Subordinated Notes (or such
other securities, instruments and agreements issued or entered into in
connection with the Complete Restructuring) on the same basis that the holders
of Debentures are permitted to participate in Partial Restructurings under
Section 8.2 hereof ; provided, however, that in no event shall any such
supplemental indenture (x) provide for an extension of the Maturity Date

                                       26

<PAGE>
beyond the earlier of (A) 30 days prior to the maturity date of the Subordinated
Notes, as the same may be extended and (B) September 1, 2005 or (y) result in a
change or modification to Sections 4.1, 4.7 or 5.8 of the Indenture that would
adversely affect in any way the rights and ranking of the Debentures.

               SECTION 8.2 Partial Restructurings. If at any time and from time
to time after the date hereof, the Company, directly or indirectly, shall enter
into agreement(s) to effectuate in any manner a modification to the terms of the
outstanding Subordinated Notes, other than by way of a Complete Restructuring
(each, a "Partial Restructuring"), the Company shall (i) deliver written notice
to each holder of Debentures (a "Partial Restructuring Notice") at the same time
such notice is delivered to all holders of outstanding Subordinated Notes
participating in the Partial Restructuring but in no event prior to the public
announcement of the Partial Restructuring, which shall state: (x) the date on
which the Partial Restructuring is to be effective and (y) all of the terms and
conditions on which the Partial Restructuring is to be effected and (ii) deliver
a copy of all agreements, certificates, instruments and other documents to be
entered into in connection with the Partial Restructuring. Each holder shall
have the option, but not the obligation, to accept a modification of the terms
of this Indenture (solely as to the portion of such holder's Debentures being
modified) and the portion of such holder's Debentures that are being modified as
determined below (if a modification to the form of Debenture is deemed
appropriate by the Company and the affected holder(s) of Debentures) up to such
holder's pro rata portion of its Debentures outstanding immediately prior to the
effectiveness of the Partial Restructuring that is equal to the proportion of
the original outstanding principal amount of Subordinated Notes that are
restructured in the Partial Restructuring; provided, that if the Partial
Restructuring will result in all of the original principal amount of
Subordinated Notes being restructured, each holder of Debentures shall have the
right, but not the obligation, to accept such a modification as aforesaid as to
all or any portion of such holder's Debentures; in each case consistent in all
material respects with the modifications made to the 1996 Indenture and the
Subordinated Notes in the Partial Restructuring, at the same time that the
Partial Restructuring is effected (the "Partial Restructuring Option"),
including, without limitation, the right to receive a pro rata portion of any
payments or other benefits given to the holders of the Subordinated Notes in
connection with such Partial Restructuring at the same time such payments and/or
benefits are paid or given to the holders of Subordinated Notes, by delivering
to the Company a notice (the "Partial Restructuring Option Exercise Notice") to
such effect within five (5) Business Days of the holder's receipt of the Partial
Restructuring Notice. Contemporaneous with the effectiveness of any Partial
Restructuring, the Company and the holder(s) delivering the Partial
Restructuring Option Exercise Notice shall execute and deliver to each other a
supplemental indenture in accordance with Article X hereof (but without regard
to the requirement of written consent of the holders of not less than a majority
in aggregate principal amount of the Debentures at the time outstanding required
by Section 9.1), which supplemental indenture shall provide for a modification
of the terms of this Indenture (solely as it relates to the portion of such
holder's Debentures being restructured) and the pro rata portion of such
holder's Debentures being restructured to conform in all material respects with
the modifications made to the 1996 Indenture and the Subordinated Notes;
provided, however, that in no event shall any such supplemental indenture (x)
provide for an extension of the Maturity Date beyond the earlier of (A) 30 days
prior to the maturity date of the Subordinated Notes, as the same may be
extended

                                       27

<PAGE>
and (B) September 1, 2005 or (y) result in a change or modification to Sections
4.1, 4.7 or 5.8 of the Indenture that would adversely affect in any way the
rights and ranking of the Debentures. Notwithstanding anything in this Section
8.2 to the contrary, if the Company engages in a Partial Restructuring (the
Subordinated Notes so restructured being referred to herein as the "Restructured
Notes"), then such holder shall have the right, but not the obligation, in
connection with each subsequent Partial Restructuring of the Restructured Notes
(or any other securities, instruments and agreements issued or entered into in
connection with the Partial Restructuring) to participate in such subsequent
Partial Restructuring up to its pro rata portion of outstanding principal amount
of Debentures in accordance with the procedures set forth in this Section 8.2
and in connection with such subsequent participation such holder shall have the
right in accordance with this Section 8.2 to accept all previous modifications
made to the Restructured Notes (and any other securities, instruments and
agreements issued or entered into in connection with all prior Partial
Restructurings of the Restructured Notes) in all previous Partial
Restructurings, whether or not such holder participated with respect to all or
any portion of the outstanding principal amount of its Debentures in any such
prior Partial Restructuring.

               SECTION 8.3 Announcements Regarding Restructurings. The Company
shall within one Business Day of the effectiveness of a Complete Restructuring
and any Partial Restructuring pursuant to Sections 8.1 and 8.2 hereof file a
Current Report on Form 8-K describing all material terms of each such
transaction and filing as exhibits thereto each material agreement, instrument
and supplemental indenture entered into in connection with such transaction.

                                   ARTICLE IX

                        CONCERNING THE DEBENTURE HOLDERS

               SECTION 9.1 Action by Debenture Holders. Whenever in this
Indenture it is provided that the holders of a specified percentage in aggregate
principal amount of the Debentures 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 by any
instrument or any number of instruments of similar tenor executed by Debenture
holders in person or by agent or proxy appointed in writing.

               SECTION 9.2 Who are Deemed Absolute Owners. The Company may deem
the person in whose name such Debenture shall be registered upon the Debenture
register to be, and may treat such person as, the absolute owner of such
Debenture (whether or not such Debenture 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 Debenture, for conversion of such Debenture and for all other purposes; and
the Company shall not be affected by any notice to the contrary. All such
payments so made to any holder for the time being, or upon its 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 Debenture.

                                       28

<PAGE>
               SECTION 9.3 Company-Owned Debentures Disregarded. In determining
whether the holders of the requisite aggregate principal amount of Debentures
have concurred in any direction, consent, waiver or other action under this
Indenture, Debentures which are owned by the Company or any other obligor on the
Debentures or by any person directly or indirectly controlling or controlled by
or under direct or indirect common control with the Company or any other obligor
on the Debentures shall be disregarded and deemed not to be outstanding for the
purpose of any such determination. Debentures so owned which have been pledged
in good faith may be regarded as outstanding for the purposes of this Section
9.3 if the pledgee shall establish to the reasonable satisfaction of the Company
the pledgee's right to vote such Debentures and that the pledgee is not the
Company, any other obligor on the Debentures or a person directly or indirectly
controlling or controlled by or under direct or indirect common control with the
Company or any such other obligor. .

               SECTION 9.4 Revocation of Consents; Future Holders Bound. At any
time prior to (but not after) the taking of any action by the holders of the
percentage in aggregate principal amount of the Debentures specified in this
Indenture in connection with such action, any holder of a Debenture which is
shown by the evidence to be included in the Debentures the holders of which have
consented to such action may, by filing written notice with the Company revoke
such action so far as concerns such Debenture. Except as aforesaid, any such
action taken by the holder of any Debenture shall be conclusive and binding upon
such holder and upon all future holders and owners of such Debenture and of any
Debentures issued in exchange or substitution therefor, irrespective of whether
any notation in regard thereto is made upon such Debenture or any Debenture
issued in exchange or substitution therefor.

                                    ARTICLE X

                             SUPPLEMENTAL INDENTURES

               SECTION 10.1 Supplemental Indentures. With the consent (evidenced
as provided in Article IX) of the holders of not less than a majority in
aggregate principal amount of the Debentures at the time outstanding (determined
in accordance with Section 9.3), the Company, when authorized by the resolutions
of the Board of Directors, and such holders 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 Debentures; provided, however, that
no such supplemental indenture shall (i) extend the fixed maturity of any
Debenture, 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 or repurchase thereof, impair, or change in any
respect adverse to the holder of Debentures, the obligation of the Company to
repurchase any Debenture at the option of the holder upon the happening of a
Designated Event, or impair or adversely affect the right of any Debenture
holder 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 Debentures, or change or impair the right to convert
the Debentures into Common Stock subject to the terms set forth herein,
including Section 13.6, or modify the provisions of this Indenture with respect
to the subordination of the Debentures in a

                                       29

<PAGE>
manner adverse to the Debenture holders, without the consent of the holder of
each Debenture so affected, or (ii) reduce the aforesaid percentage of
Debentures, the holders of which are required to consent to any such
supplemental indenture, without the consent of the holders of all Debentures
then outstanding.

               Upon the 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, the
consenting holders shall join with the Company in the execution of such
supplemental indenture and the Company shall promptly after the execution
thereof deliver a fully executed copy of such supplemental indenture to each
Debenture holder.

               SECTION 10.2 Effect of Supplemental Indentures. Upon the
execution of any supplemental indenture pursuant to the provisions of this
Article X, 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 Company and the
holders of Debentures 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.

                                   ARTICLE XI

                CONSOLIDATION, MERGER, SALE, CONVEYANCE AND LEASE

               SECTION 11.1 Company May Consolidate, Etc. on Certain Terms.
Subject to the provisions of Section 11.2, nothing contained in this Indenture
or in any of the Debentures 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,
however, and the Company hereby covenants and agrees, that (i) upon any such
consolidation with, merger into, or sale, conveyance or lease to another
corporation, the due and punctual payment of the principal of, and premium, if
any, and interest on, all of the Debentures, 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 holders of not
less than a majority in aggregate principal amount of the Debentures then
outstanding, executed and delivered to each Debenture holder 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, (ii) such supplemental indenture shall provide for the
applicable conversion rights set forth in Section 13.6 and the repurchase rights
set forth in Article XIV; and (iii) the said consolidation, merger, sale,
conveyance or lease shall not result in the occurrence of an Event of Default
or, after notice or lapse of time result in an Event of Default.

                                       30

<PAGE>
               SECTION 11.2 Successor Corporation to be Substituted. In case of
any such consolidation with, merger into, or sale, conveyance or lease to
another corporation in accordance with Section 11.1 and upon the assumption by
the successor corporation, by supplemental indenture, executed and delivered to
each Debenture holder and satisfactory in form to the holders of not less than a
majority in aggregate principal amount of the Debentures then outstanding, of
the due and punctual payment of the principal of, and premium, if any, and
interest on, all of the Debentures 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 SONICblue Incorporated any or all
of the Debentures issuable hereunder which theretofore shall not have been
signed by the Company and delivered to each Debenture holder; 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 Company
shall deliver any Debentures which previously shall have been signed and
delivered by the officers of the Company to the Debenture holder and any
Debentures which such successor corporation thereafter shall cause to be signed
and delivered to the Debenture holder for that purpose. All the Debentures so
issued shall in all respects have the same legal rank and benefit under this
Indenture as the Debentures theretofore or thereafter issued in accordance with
the terms of this Indenture as though all of such Debentures 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 XI 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 Debentures 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 Debentures thereafter to be issued as may be appropriate.

               SECTION 11.3 Opinion of Counsel to be Given Debenture Holders.
Each Debenture holder 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 XI.

                                   ARTICLE XII

                    IMMUNITY OF INCORPORATORS, STOCKHOLDERS,
                             OFFICERS AND DIRECTORS

               SECTION 12.1 Indenture and Debentures Solely Corporate
Obligations. No recourse for the payment of the principal of (or premium, if
any) or interest on any Debenture, 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 Debenture, or because of the creation of any indebtedness represented
thereby, shall be had against any incorporator, stockholder, employee, agent,
officer or director

                                       31

<PAGE>
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 Debentures.

                                  ARTICLE XIII

                            CONVERSION OF DEBENTURES

               SECTION 13.1 Right To Convert. Subject to and upon compliance
with the provisions of this Indenture, the holder of any Debenture shall have
the right, at its option, at any time prior to the close of business on the
Maturity Date (except that, with respect to any Debenture or portion of a
Debenture which shall be called for redemption, such right shall terminate,
except as provided in Section 3.2 and the fourth paragraph of Section 13.2, at
the close of business on the third Business Day prior to the date fixed for
redemption of such Debenture or portion of a Debenture unless the Company shall
default in payment due upon redemption thereof) to convert the principal amount
of any such Debenture, 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 Debenture or portion thereof
surrendered for conversion by the Conversion Price in effect at such time, by
surrender of the Debenture so to be converted in whole or in part in the manner
provided in Section 13.2. A holder of Debentures is not entitled to any rights
of a holder of Common Stock until such holder has converted its Debentures to
Common Stock, and only to the extent such Debentures are deemed to have been
converted to Common Stock under this Article XIII.

               SECTION 13.2 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 Debenture, the holder of
any such Debenture to be converted in whole or in part shall surrender such
Debenture, duly endorsed, to the Company in accordance with Section 15.3,
accompanied by the funds, if any, required by the final paragraph of this
Section 13.2, and shall give written notice of conversion in the form provided
on the Debentures (or such other notice which is acceptable to the Company) to
the office or agency that the holder elects to convert such Debenture or such
portion thereof specified in said notice. Such notice shall also state the name
or names (with address) 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 13.7.
Each such Debenture surrendered for conversion shall, unless the shares issuable
on conversion are to be issued in the same name as the registration of such
Debenture, be duly endorsed by, or be accompanied by instruments of transfer in
form satisfactory to the Company duly executed by, the holder or its duly
authorized attorney.

               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 Debenture holder (as if such transfer

                                       32

<PAGE>
were a transfer of the Debenture or Debentures (or portion thereof) so
converted), the Company shall issue and shall deliver to such holder in
accordance with Section 15.3 hereof, a certificate or certificates for the
number of full shares of Common Stock issuable upon the conversion of such
Debenture 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 13.3. In
case any Debenture of a denomination greater than $1,000 shall be surrendered
for partial conversion, and subject to Section 2.3, the Company shall execute
and deliver to the holder of the Debenture so surrendered, without charge to
such holder, a new Debenture or Debentures in authorized denominations in an
aggregate principal amount equal to the unconverted portion of the surrendered
Debenture.

               Each conversion shall be deemed to have been effected as to any
such Debenture (or portion thereof) on the date on which the requirements set
forth above in this Section 13.2 have been satisfied as to such Debenture (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 Debenture shall be surrendered.

               Any Debenture or portion thereof surrendered for conversion
during the period from the close of business on the record date for any interest
payment date through the close of business on the Business Day next preceding
such interest payment date shall (unless such Debenture or portion thereof being
converted shall have been called for redemption during the period from the close
of business on such record date to the close of business on the Business Day
next preceding such 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 Debentures. An amount equal to such payment shall be paid by
the Company on such interest payment date to the holder of such Debenture at the
close of business on such record date; provided, however, that if the Company
shall default in the payment of interest on such interest payment date, such
amount shall be paid to the person who made such required payment. Except as
provided above in this Section 13.2, no adjustment shall be made for interest
accrued on any Debenture converted or for dividends on any shares issued upon
the conversion of such Debenture as provided in this Article.

               SECTION 13.3 Cash Payments in Lieu of Fractional Shares. No
fractional shares of Common Stock or scrip representing fractional shares shall
be issued upon conversion of Debentures. If more than one Debenture 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 Debentures (or specified portions thereof
to the extent permitted hereby) so surrendered for conversion. If any fractional
share of stock otherwise would be issuable upon the conversion of any Debenture
or Debentures, the Company shall make an adjustment therefor in cash at the
current market value thereof to the

                                       33

<PAGE>
holder of Debentures. For these purposes, the current market value of a share of
Common Stock shall be the Closing Price on the first Trading Day immediately
preceding the day on which the Debentures (or specified portions thereof) are
deemed to have been converted and such Closing Price shall be determined as
provided in Section 13.5(g).

               SECTION 13.4 Conversion Price. The conversion price shall be as
specified in the form of Debenture (herein called the "Conversion Price")
attached as Exhibit A hereto, subject to adjustment as provided in this Article
XIII.

               SECTION 13.5 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 Record Date
(as defined in Section 13.5(g)) 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
Record Date. If any dividend or distribution of the type described in this
Section 13.5(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 the
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 in Section 13.5(g)) on the Record Date
fixed for the 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 at the
opening of business on the date after such Record Date by a fraction of which
the numerator shall be the number of shares of Common Stock outstanding at the
close of business on the Record Date 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 close of business on the Record
Date plus the total number of additional shares of Common Stock so offered for
subscription or purchase. Such adjustment shall become effective immediately
after the opening of business on the day following the Record Date fixed for
determination of stockholders entitled to receive such rights or warrants. To
the extent that shares of Common Stock are not delivered pursuant to such rights
or warrants, upon the expiration or termination 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

                                       34

<PAGE>
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 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 the 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
13.5(a) applies) or evidences of its indebtedness, cash or other assets
(including securities, but excluding (1) any rights or warrants referred to in
Section 13.5(b), (2) dividends and distributions paid exclusively in cash and
(3) any capital stock, evidences of indebtedness, cash or assets distributed
upon a merger or consolidation to which Section 13.6 applies) (the foregoing
hereinafter in this Section 13.5(d) called the "Securities")) (unless the
Company elects to reserve such Securities for distribution to the Debenture
holders upon conversion of the Debentures so that any such holder converting
Debentures 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 Debentures into Common Stock immediately prior to the Record Date (as
defined in Section 13.5(g) for such distribution of the Securities)), then, in
each such case, the Conversion Price shall be reduced so that the same shall be
equal to the price determined by multiplying the Conversion Price in effect
immediately prior to the close of business on the Record Date with respect to
such distribution by a fraction of which the numerator shall be the Current
Market Price (determined as provided in Section 13.5(g)) on such date less the
fair market value (as determined by the Board of Directors, whose determination
shall be conclusive and described in a Board Resolution) on such date of the
portion of the Securities so distributed applicable to one share of Common Stock
and the denominator shall be such Current Market Price, such reduction to become
effective immediately prior to the opening of business on the day following the
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 on
the Record Date, in lieu of the foregoing adjustment, adequate provision shall
be made so that each Debenture holder shall have the right to receive upon
conversion of a Debenture (or any portion thereof) the amount of Securities such
holder would have received had such holder converted such Debenture (or portion
thereof) immediately prior to such Record Date. In the event that such dividend
or distribution is not so paid or made, the Conversion Price shall again be
adjusted

                                       35

<PAGE>
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 13.5(d) by
reference to the actual or when issued trading market for any securities
comprising all or part of such distribution, it must in doing so consider the
prices in such market over the same period (the "Reference Period") used in
computing the Current Market Price pursuant to Section 13.5(g) to the extent
possible, unless the Board of Directors in a board resolution determines in good
faith that determining the fair market value during the Reference Period would
not be in the best interest of the Debenture holder.

               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 13.5(d) (and no adjustment to the
Conversion Price under this Section 13.5(d) will be required) until the
occurrence of the earliest Trigger Event. If such right or warrant is subject to
subsequent events, upon the occurrence of which such right or warrant shall
become exercisable to purchase different securities, evidences of indebtedness
or other assets or entitle the holder to purchase a different number or amount
of the foregoing or to purchase any of the foregoing at a different purchase
price, then the occurrence of each such event shall be deemed to be the date of
issuance and record date with respect to a new right or warrant (and a
termination or expiration of the existing right or warrant without exercise by
the holder 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 resulted in
an adjustment to the Conversion Price under this Section 13.5(d), (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
distribution, equal to the per share redemption or repurchase price received by
a holder of Common Stock with respect to such rights or warrant, (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 all of which shall have expired or been terminated
without exercise, the Conversion Price shall be readjusted as if such rights and
warrants had never been issued.

               For purposes of this Section 13.5(d) and Sections 13.5(a) and
(b), any dividend or distribution to which this Section 13.5(d) is applicable
that also includes shares of Common Stock, or rights or warrants to subscribe
for or purchase shares of Common Stock to which Section 13.5(b) applies (or
both), shall be deemed instead to be (1) a dividend or distribution of the
evidences of indebtedness, assets, shares of capital stock, rights or warrants
other than such shares of Common Stock or rights or warrants to which Section
13.5(b) applies (and any Conversion Price reduction required by this Section
13.5(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 13.5(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

                                       36

<PAGE>
date fixed for the determination of stockholders entitled to receive such
dividend or other distribution", "Record Date fixed for such determinations" and
"Record Date" within the meaning of Section 13.5(a) and as "the date fixed for
the determination of stockholders entitled to receive such rights or warrants",
"the Record Date fixed for the determination of the stockholders entitled to
receive such rights or warrants" and "such Record Date" within the meaning of
Section 13.5(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 13.5(a).

                      (e) In case the Company shall, by dividend or otherwise,
distribute to all holders of its Common Stock cash (excluding any cash that is
distributed upon a merger or consolidation to which Section 13.6 applies or as
part of a distribution referred to in Section 13.5(d)), in an aggregate amount
that, combined together with (1) the aggregate amount of any other such
distributions to all holders of Common Stock made exclusively in cash within the
twelve (12) months preceding the date of payment of such distribution, and in
respect of which no adjustment pursuant to this Section 13.5(e) has been made,
and (2) the aggregate of any cash plus the fair market value (as determined by
the Board of Directors, whose determination shall be conclusive and described in
a Board Resolution) of consideration payable in respect of any tender offer by
the Company or any of its subsidiaries for all or any portion of the Common
Stock concluded within the twelve (12) months preceding the date of payment of
such distribution, and in respect of which no adjustment pursuant to Section
13.5(f) has been made, exceeds 10.0% of the product of the Current Market Price
(determined as provided in Section 13.5(g)) on the Record Date with respect to
such distribution times the number of shares of Common Stock outstanding on such
date, then and in each such case, immediately after the close of business on
such date. 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 (i) the
numerator of which shall be equal to the Current Market Price on the Record Date
less an amount equal to the quotient of (x) the excess of such combined amount
over such 10.0% and (y) the number of shares of Common Stock outstanding on the
Record Date and (ii) the denominator of which shall be equal to the Current
Market Price on such 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
Debenture holder shall have the right to receive upon conversion of a Debenture
(or any portion thereof) the amount of cash such holder would have received had
such holder converted such Debenture (or portion thereof) immediately prior to
such 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. Any cash distribution to all holders of Debentures as to which the
Company makes the election permitted by Section 13.5(m) and as to which the
Company has complied with the requirements of such Section shall be treated as
not having been made for all purposes of this Section 13.5(e).

                      (f) In case a tender offer made by the Company or any of
its subsidiaries for all or any portion of the Common Stock shall expire and
such tender offer (as amended upon the expiration thereof) shall require the
payment to stockholders (based on the acceptance (up to any maximum specified in
the terms of the tender offer) of Purchased Shares

                                       37

<PAGE>
(as defined below)) of an aggregate consideration having a fair market value (as
determined by the Board of Directors, whose determination shall be conclusive
and described in a Board Resolution) that combined together with (1) the
aggregate of the cash plus the fair market value (as determined by the Board of
Directors, whose determination shall be conclusive and described in a Board
Resolution), as of the expiration of such tender offer, of consideration payable
in respect of any other tender offers, by the Company or any of its subsidiaries
for all or any portion of the Common Stock expiring within the twelve (12)
months preceding the expiration of such tender offer and in respect of which no
adjustment pursuant to this Section 13.5(f) has been made and (2) the aggregate
amount of any distributions to all holders of the Company's Common Stock made
exclusively in cash within twelve (12) months preceding the expiration of such
tender offer and in respect of which no adjustment pursuant to Section 13.5(e)
has been made, exceeds 10.0% of the product of the Current Market Price
(determined as provided in Section 13.5(g)) as of the last time (the "Expiration
Time") tenders could have been made pursuant to such tender offer (as it may be
amended) times the number of shares of Common Stock outstanding (including any
tendered shares) on the Expiration Time, then, and in each such case,
immediately prior to the opening of business on the day after the date of the
Expiration Time, 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 close of business on the date of the Expiration Time by a
fraction of which the numerator shall be the number of shares of Common Stock
outstanding (including any tendered 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 offer) of all shares validly tendered 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 (if any) 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 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 offer had not been made. If the application of
this Section 13.5(f) to any tender offer would result in an increase in the
Conversion Price, no adjustment shall be made for such tender offer under this
Section 13.5(f). Any cash distribution to all holders of Debentures as to which
the Company makes the election permitted by Section 13.5(m) and as to which the
Company has complied with the requirements of such Section shall be treated as
not having been made for all purposes of this Section 13.5(e).

                      (g) For purposes of this Section 13.5, 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 Nasdaq
        National Market or New York Stock

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<PAGE>
        Exchange, as applicable, or, if such security is not listed or admitted
        to trading on such National Market or Exchange, on the principal
        national security exchange or quotation system on which such security is
        listed or quoted or admitted to trading, or, if not listed or quoted 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, whose determination shall be conclusive
        and described in a Board Resolution.

                       (2) "Current Market Price" shall mean the average of the
        daily Closing Prices per share of Common Stock for the ten (10)
        consecutive Trading Days immediately prior to the date in question;
        provided, however, that (1) if the "ex" date (as hereinafter defined)
        for any event (other than the issuance or distribution requiring such
        computation) that requires an adjustment to the Conversion Price
        pursuant to Section 13.5(a), (b), (c), (d), (e) or (f) occurs during
        such ten (10) 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
        or distribution requiring such computation) that requires an adjustment
        to the Conversion Price pursuant to Section 13.5(a), (b), (c), (d), (e)
        or (f) 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 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 in a manner consistent with any determination
        of such value for purposes of Section 13.5(d) or (f), whose
        determination shall be conclusive and described in a Board Resolution)
        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 13.5(f), 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 offer requiring such computation) that
        requires an adjustment to the Conversion Price pursuant to Section
        13.5(a), (b), (c), (d), (e) or (f) occurs on or after the Expiration
        Time for the tender or exchange offer requiring such computation and
        prior to the

                                       39

<PAGE>
        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
        Expiration Time of such offer. Notwithstanding the foregoing, whenever
        successive adjustments to the Conversion Price are called for pursuant
        to this Section 13.5, such adjustments shall be made to the Current
        Market Price as may be necessary or appropriate to effectuate the intent
        of this Section 13.5 and to avoid unjust or inequitable results as
        determined in good faith by the Board of Directors.

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

                       (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 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.

                      (h) The Company may make such reductions in the Conversion
Price, in addition to those required by Sections 13.5(a), (b), (c), (d), (e) or
(f), 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.

                                       40

<PAGE>
               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 and described in a Board Resolution. Whenever the Conversion
Price is reduced pursuant to the preceding sentence, the Company shall deliver
to the holder of each Debenture at its last address appearing on the Debenture
register provided for in Section 2.5 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.

                      (i) No adjustment in the Conversion Price shall be
required unless such adjustment would require a decrease of at least 1% in such
price; provided, however, that any adjustments which by reason of this Section
13.5(i) are not required to be made shall be carried forward and taken into
account in any subsequent adjustment. All calculations under this Article XIII
shall be made by the Company and shall be made to the nearest cent or to the
nearest one hundredth of a share, as the case may be. No adjustment need be made
for a change in the par value or no par value of the Common Stock.

                      (j) Whenever the Conversion Price is adjusted as herein
provided, the Company shall promptly deliver to each Debenture holder an
Officers' Certificate setting forth the Conversion Price after such adjustment
and setting forth a brief statement of the facts requiring such adjustment.
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 deliver
such notice of such adjustment of the Conversion Price to the holder of each
Debenture in accordance with Section 15.3, within twenty (20) days of the
effective date of such adjustment. Failure to deliver such notice shall not
affect the legality or validity of any such adjustment.

                      (k) In any case in which this Section 13.5 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 Debenture 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 13.3.

                      (l) For purposes of this Section 13.5, 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.

                      (m) In lieu of making any adjustment to the Conversion
Price pursuant to Section 13.5(e), the Company may elect to pay to each holder
of the Debentures within five (5) Business Days of the effective date of such
adjustment the full amount of cash which such holder would have received if such
holder had, immediately prior to the Record Date for such

                                       41

<PAGE>
distribution of cash, converted its Debentures into Common Stock. The Company
may make such election by providing written notice to each holder of Debentures
to such effect on or prior to the payment date for any such cash payment, which
notice shall state the amount of cash per $1,000 principal amount of Debentures
such holders shall be entitled to receive on the date of such payment. The
Company agrees that if it elects to make any adjustment to the Conversion Price
through the reservation and payment of cash to holders of Subordinated Notes
pursuant to Section 15.5(m) of the 1996 Indenture that it shall make the same
election with respect to the payment of cash to the holders of Debentures under
this Section 13.5(m).

               SECTION 13.6 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 change in par
value, or from par value to no par value, or from no par value to par value, or
as a result of a subdivision or combination), (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 each holder a supplemental indenture in
a form reasonably acceptable to holders of not less than a majority of the
aggregate principal amount of Debentures then outstanding providing that such
Debenture 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 Debentures (assuming, for such purposes, a sufficient number of authorized
shares of Common Stock available to convert all such Debentures) immediately
prior to such reclassification, change, consolidation, merger, combination, sale
or conveyance assuming such holder of Common Stock did not exercise its 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 ("non-electing shares"),
then for the purposes of this Section 13.6 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. If, in the case of any such reclassification, change,
consolidation, merger, combination, sale or conveyance, the stock or other
securities and assets receivable thereupon by a holder of shares of Common Stock
includes shares of stock or other securities and assets of a corporation other
than the successor or purchasing corporation, as the case may be, in such
reclassification, change, consolidation, merger, combination, sale or
conveyance, then such supplemental indenture shall also be executed by such
other corporation and shall contain such additional provisions to protect the
interests of the holders of the Debentures as the Board of Directors shall

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<PAGE>
reasonably consider necessary by reason of the foregoing, including to the
extent practicable the provisions providing for the repurchase rights set forth
in Article XIV herein.

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

               If this Section 13.6 applies to any event or occurrence, Section
13.5 shall not apply.

               SECTION 13.7 Taxes on Shares Issued. The issue of stock
certificates on conversions of Debentures shall be made without charge to the
converting Debenture holder 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 Debenture 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 13.8 Reservation of Shares; Shares to be Fully Paid;
Listing of Common Stock. The Company shall provide, free from preemptive rights,
out of its authorized but unissued shares or shares held in treasury, sufficient
shares to provide for the conversion of the Debentures from time to time as such
Debentures 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 Debentures, 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
such adjusted Conversion Price.

               The Company covenants that all shares of Common Stock issued upon
conversion of Debentures will 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 it shall promptly secure the listing
of all of the shares of Common Stock issuable upon conversion of the Debentures
upon each national securities exchange and automated quotation system, if any,
upon which shares of Common Stock are then listed (subject to official notice of
issuance) and shall maintain, so long as any other shares of Common Stock shall
be so listed, such listing of all shares of Common Stock issuable upon
conversion of the Debentures from time to time issuable under the terms of the
Debentures and this Indenture.

               SECTION 13.9 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 13.5); or

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<PAGE>
                      (b) the Company shall authorize the granting to all or
substantially all of the holders of record 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 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

                      (d) of the voluntary or involuntary dissolution,
liquidation or winding-up of the Company; the Company shall deliver to each
holder of Debentures in accordance with Section 15.3 hereof, as promptly as
possible but in any event at least fifteen 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 XIV

                       REPURCHASE UPON A DESIGNATED EVENT

               SECTION 14.1 Repurchase Right.

                      (a) If, at any time prior to the Maturity Date there shall
occur a Designated Event, then each Debenture holder shall have the right, at
such holder's option, but subject to the provisions of Section 14.2, to require
the Company to repurchase all of such holder's Debentures, or any portion
thereof (in principal amounts of $1,000 or integral multiples thereof), on the
repurchase date fixed by the Company that is not less than 30 days nor more than
45 days after the date of the Company Notice (as defined in Section 14.3 below)
of such Designated Event (or, if such 45th day is not a Business Day, the next
succeeding Business Day). The repurchase price shall be equal to 100% of the
principal amount of Debentures, together with accrued interest, if any, to, but
excluding, the repurchase date (the "Repurchase Price"); provided that if such
repurchase date is March 1 or September 1, then the interest payable on such
date shall be paid to the holder of record of the Debenture on the next
preceding February 15 or August 15, respectively. At the option of any holder of
Debentures exercising its right to repurchase its Debentures pursuant to this
Section 14.1(a) upon a Designated Event, such holder's Debentures may not be
repurchased if there has occurred and is continuing an Event of Default, other
than a default in the payment of the Repurchase Price with respect to such

                                       44

<PAGE>
Debentures on the repurchase date. At the option of the Company, the Repurchase
Price may be paid in cash or, subject to the fulfillment by the Company of the
conditions set forth in Section 14.2, by delivery of shares of Common Stock
having a fair market value equal to the Repurchase Price as described in Section
14.2(a). Whenever in this Indenture there is a reference, in any context, to the
principal of any Debenture as of any time, such reference shall be deemed to
include reference to the Repurchase Price payable in respect of such Debenture
to the extent that such Repurchase Price is, was or would be so payable at such
time, and express mention of the Repurchase Price in any provision of this
Indenture shall not be construed as excluding the Repurchase Price in those
provisions of this Indenture when such express mention is not made; provided,
however, that for the purposes of Article IV, such reference shall be deemed to
include reference to the Repurchase Price only if the Repurchase Price is
payable in cash.

               SECTION 14.2 Conditions to the Company's Election to Pay the
Repurchase Price in Common Stock. The Company may elect to pay the Repurchase
Price by delivery of shares of Common Stock pursuant to Section 14.1 if and only
if the following conditions have been satisfied:

                      (a) The shares of Common Stock deliverable in payment of
the Repurchase Price shall have a fair market value as of the repurchase date of
not less than the Repurchase Price. For purposes of this Section 14.2, the fair
market value of shares of Common Stock shall be determined by the Company and
shall be equal to 95% of the average of the Closing Prices of the Common Stock
for the five consecutive Trading Days ending on and including the third Trading
Day immediately preceding the repurchase date;

                      (b) In the event any shares of Common Stock to be issued
upon repurchase of Debentures hereunder require registration under any Federal
securities law before such shares may be freely transferable without being
subject to any transfer restrictions under the Securities Act upon repurchase,
such registration shall have been completed and shall be effective;

                      (c) In the event any shares of Common Stock to be issued
upon repurchase of Debentures hereunder require registration with or approval of
any governmental authority under any State law or any other Federal law before
such shares may be validly issued or delivered upon repurchase, such
registration shall have been completed, have become effective and such approval
shall have been obtained, in each case, prior to the repurchase date;

                      (d) The shares of Common Stock deliverable in payment of
the Repurchase Price shall have been quoted on the Nasdaq National Market or
listed on a national securities exchange, in either case, prior to the
repurchase date;

                      (e) All shares of Common Stock deliverable in payment of
the Repurchase Price shall be issued out of the Company's authorized but
unissued Common Stock and will, upon issue, be duly and validly issued and fully
paid and non-assessable and free of any preemptive rights; and

                      (f) The delivery of shares of Common Stock as payment of
the Repurchase Price would not cause or result in a violation of either Section
15.7 or Section 15.8

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<PAGE>
of this Indenture (assuming, solely in the case of Section 15.8, that all of the
Warrants issued to the Initial Purchasers pursuant to the Purchase Agreement had
been exercised in full); provided, that the Company may deliver to any holder of
Debentures as partial payment of the Repurchase Price that number of shares of
Common Stock (pro rata among the holders of Debentures based on the aggregate
principal amount of Debentures purchased by such holder out of the total
aggregate principal amount of Debentures purchased by all holders of Debentures)
that would not result in a violation of Section 15.7 or Section 15.8 and the
balance of the Repurchase Price shall be paid only in cash.

               If all of the conditions set forth in this Section 14.2 are not
satisfied in accordance with the terms thereof, the Repurchase Price shall be
paid by the Company only in cash.

               SECTION 14.3 Notices; Method of Exercising Repurchase Right, Etc.

                      (a) Unless the Company shall have theretofore called for
redemption all of the outstanding Debentures, on or before the fifteenth (15th)
calendar day after the occurrence of a Designated Event, the Company shall
deliver to all holders of Debentures a notice (the "Company Notice") of the
occurrence of the Designated Event and of the repurchase right set forth herein
arising as a result thereof. The Company Notice shall contain the following
information:

                       (1) the repurchase date,

                       (2) the date by which the repurchase right must be
        exercised,

                       (3) the last date by which the election to require
        repurchase, if submitted, may be revoked,

                       (4) the Repurchase Price, and whether the Repurchase
        Price shall be paid by the Company in cash or by delivery of shares of
        Common Stock,

                       (5) a description of the procedure which a holder must
        follow to exercise a repurchase right, and

                       (6) the Conversion Price then in effect, the date on
        which the right to convert the principal amount of the Debentures to be
        repurchased will terminate and the place or places where Debentures may
        be surrendered for conversion.

               No failure of the Company to give the foregoing notices or defect
therein shall limit any holder's right to exercise a repurchase right or affect
the validity of the proceedings for the repurchase of Debentures.

               If any of the foregoing provisions are inconsistent with
applicable law, such law shall govern.

                      (b) To exercise a repurchase right, a holder shall deliver
to the Company on or before the close of business on the second Business Day
preceding the

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<PAGE>
repurchase date (i) written notice to the Company (or agent designated by the
Company for such purpose) of the holder's exercise of such right, which notice
shall set forth the name of the holder, the principal amount of the Debentures
to be repurchased, a statement that an election to exercise the repurchase right
is being made thereby, and, in the event that the Repurchase Price shall be paid
in shares of Common Stock, the name or names (with addresses) in which the
certificate or certificates for shares of Common Stock shall be issued, and (ii)
the Debentures with respect to which the repurchase right is being exercised,
duly endorsed for transfer to the Company. Election of repurchase by a holder
shall be revocable at any time prior to, but excluding, the repurchase date, by
delivering written notice to that effect to the Company prior to the close of
business on the second Business Day prior to the repurchase date.

                      (c) In the event the repurchase right shall be exercised
in accordance with the terms hereof, the Company shall pay or cause to be paid
to such holder the Repurchase Price in cash or shares of Common Stock, as
provided above, for payment to the holder on the repurchase date or, if shares
of Common Stock are to be issued, as promptly after the repurchase date as
practicable.

                      (d) If the Company fails to repurchase on the repurchase
date any Debentures (or portions thereof) as to which the repurchase right has
been properly exercised, then the principal of such Debentures shall, until
paid, bear interest to the extent permitted by applicable law from the
repurchase date at the rate borne by the Debenture and each such Debenture shall
be convertible into Common Stock in accordance with this Indenture (without
giving effect to Section 14.2(b)) until the principal of such Debenture shall
have been paid or duly provided for.

                      (e) Any Debenture which is to be repurchased only in part
shall be surrendered to the Company (with, if the Company so requires, due
endorsement by, or a written instrument of transfer in form reasonably
satisfactory to the Company duly executed by the holder thereof or its attorney
duly authorized in writing) and the Company shall execute and deliver to the
holder of such Debenture without service charge a new Debenture or Debentures,
containing identical terms and conditions, of any authorized denomination as
requested by such holder in aggregate principal amount equal to and in exchange
for the unrepurchased portion of the principal of the Debenture so surrendered.

                      (f) On or prior to the repurchase date, the Company shall
deliver to the holder an amount of money sufficient to pay the Repurchase Price
of the Debentures that are to be repaid on the repurchase date, provided that if
such payment is made on the repurchase date it must be received by the holder on
such date.

                      (g) Any issuance of shares of Common Stock in respect of
the Repurchase Price shall be deemed to have been effected immediately prior to
the close of business on the repurchase date and the person or persons in whose
name or names any certificate or certificates for shares of Common Stock shall
be issuable upon such repurchase shall be deemed to have become on the
repurchase date the holder or holders of record of the shares represented
thereby; provided, however, that any surrender for repurchase on a date when the
stock transfer books of the Company shall be closed shall constitute the person
or persons in whose name or names the certificate or certificates for such
shares are to be issued as the record

                                       47

<PAGE>
holder or holders thereof for all purposes at the opening of business on the
next succeeding day on which such stock transfer books are open. No payment or
adjustment shall be made for dividends or distributions on any Common Stock
issued upon repurchase of any Debenture declared prior to the repurchase date.

                      (h) No fractional shares of Common Stock or scrip
representing fractional shares shall be issued upon repurchase of Debentures. If
more than one Debenture shall be repurchased from the same holder and the
Repurchase Price shall be payable in shares of Common Stock, the number of full
shares which shall be issued upon repurchase shall be computed on the basis of
the aggregate principal amount of the Debentures (or specified portions thereof
to the extent permitted hereby) so repurchased. If any fractional share of stock
otherwise would be issuable upon repurchase of any Debenture or Debentures, the
Company shall make an adjustment therefor in cash at the current market value
thereof to the holder of Debentures. For these purposes, the current market
value of a share of Common Stock shall be the Closing Price on the first Trading
Day immediately preceding the repurchase date and such Closing Price shall be
determined as provided in Section 13.5(g).

                      (i) The issue of stock certificates on repurchase of
Debentures shall be made without charge to the holder of Debentures being
repurchased 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 Debenture repurchased, 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.

                                   ARTICLE XV

                            MISCELLANEOUS PROVISIONS

               SECTION 15.1 Provisions Binding on Company's Successors. All the
covenants, stipulations, promises and agreements of the Company in this
Indenture contained shall bind its successors and assigns whether so expressed
or not.

               SECTION 15.2 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 15.3 Addresses for Notices etc. Any notices, consents,
waivers or other communications required or permitted to be given under the
terms of this Indenture must be in writing and will be deemed to have been
delivered: (i) upon receipt, when delivered personally; (ii) upon receipt, when
sent by facsimile (provided confirmation of transmission is mechanically or
electronically generated and kept on file by the sending party); or (iii) one
(1) Business Day after deposit with a nationally recognized overnight delivery
service, in each case

                                       48

<PAGE>
properly addressed to the party to receive the same. The addresses and facsimile
numbers for such communications shall be:

                      If to the Company:

                             SONICblue Incorporated
                             2841 Mission College Boulevard
                             Santa Clara, California 95054
                             Telephone:     (408) 588-8000
                             Facsimile:     (408) 980-5444
                             Attention:     General Counsel

                      With a copy to, which shall not constitute notice:

                             Pillsbury Winthrop LLP
                             2550 Hanover Street
                             Palo Alto, California 94304
                             Telephone:     (650) 233-4500
                             Facsimile:     (650) 233-4545
                             Attention:     Jorge A. del Calvo

               If to a holder of Debentures, to it at the address and facsimile
number set forth on the Schedule of Purchasers, with copies to such Purchaser's
representatives as set forth on the Schedule of Buyers, or at such other address
and/or facsimile number and/or to the attention of such other person as the
recipient party has specified by written notice given to each other party five
(5) days prior to the effectiveness of such change. Written confirmation of
receipt (A) given by the recipient of such notice, consent, waiver or other
communication, (B) mechanically or electronically generated by the sender's
facsimile machine containing the time, date, recipient facsimile number and an
image of the first page of such transmission or (C) provided by a nationally
recognized overnight delivery service shall be rebuttable evidence of personal
service, receipt by facsimile or receipt from a nationally recognized overnight
delivery service in accordance with clause (i), (ii) or (iii) above,
respectively.

               SECTION 15.4 Governing Law. This Indenture and each Debenture
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 15.5 Legal Holidays. In any case where the date of
maturity of interest on or principal of the Debentures or the date fixed for
redemption of any Debenture will not be a Business Day, then payment of such
interest on or principal of the Debentures 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 15.6 No Security Interest Created. Nothing in this
Indenture or in the Debentures, expressed or implied, shall be construed to
constitute a security interest under

                                       49

<PAGE>
the Uniform Commercial Code or similar legislation, as now or hereafter enacted
and in effect, in any jurisdiction.

               SECTION 15.7 Limitation on Beneficial Ownership. Notwithstanding
anything herein to the contrary, the Company shall not effect and shall have no
obligation to effect any conversion of any Debenture, and no holder of
Debentures shall have the right to convert any Debentures, to the extent that
after giving effect to such conversion, the beneficial owner of such shares
(together with such Person's Affiliates) would have acquired, through conversion
of Debentures or otherwise, beneficial ownership of a number of shares of Common
Stock that exceeds 9.99% of the number of shares of Common Stock outstanding
immediately after giving effect to such conversion. For purposes of the
foregoing sentence, the number of shares of Common Stock beneficially owned by a
Person and its affiliates shall include the number of shares of Common Stock
issuable upon conversion of the Debentures with respect to which the
determination of such sentence is being made, but shall exclude the number of
shares of Common Stock which would be issuable upon (A) conversion of the
remaining, nonconverted Debentures beneficially owned by such Person or any of
its Affiliates and (B) exercise or conversion of the unexercised or unconverted
portion of any other securities of the Company (including, without limitation,
any warrants) subject to a limitation on conversion or exercise analogous to the
limitation contained herein beneficially owned by such Person or any of its
affiliates. Except as set forth in the preceding sentence, for purposes of this
Section 15.7, beneficial ownership shall be calculated in accordance with
Section 13(d) of the Exchange Act. For purposes of this Section 15.7, in
determining the number of outstanding shares of Common Stock, a holder of
Debentures may rely on the number of outstanding shares of Common Stock as
reflected in (1) the Company's most recent Form 10-Q, Form 10-K or other public
filing with the Commission, as the case may be, (2) a more recent public
announcement by the Company or (3) any other notice by the Company or its
transfer agent setting forth the number of shares of Common Stock outstanding.
Upon the written request of any holder, the Company shall promptly, but in no
event later than one (1) Business Day following the receipt of such notice,
confirm in writing to such holder the number of shares of Common Stock then
outstanding. In any case, the number of outstanding shares of Common Stock shall
be determined after giving effect to conversions of Debentures by the holder and
its Affiliates since the date as of which such number of outstanding shares of
Common Stock was reported.

               SECTION 15.8 Limitation on Number of Shares of Common Stock.
Notwithstanding anything herein to the contrary, the Company shall not be
obligated to issue shares of Common Stock upon conversion of this Debenture or
in respect of the payment of interest in the form of Interest Shares only to the
extent that any issuance of such shares of Common Stock would cause the Company
to exceed that number of shares of Common Stock which the Company may issue upon
conversion of the Debentures and the Warrants issued to the Initial Purchasers
pursuant to the Purchase Agreement (the "Exchange Cap") without breaching the
Company's obligations under the rules or regulations of the Principal Market (as
defined in the Purchase Agreement), except that such limitation shall not apply
in the event that the Company obtains the approval of its stockholders as
required by the Principal Market (or any successor rule or regulation) for
issuances of Common Stock in excess of such amount. Until such approval is
obtained, the holders of Debentures shall not be issued, upon conversion of the
Debentures or payments in the form of Interest Shares, shares of Common Stock in
an amount greater than the product of (i) the Exchange Cap amount multiplied by
(ii) a fraction, the

                                       50

<PAGE>
numerator of which is the aggregate principal amount of Debentures issued to
such Initial Purchaser pursuant to the Purchase Agreement and the denominator of
which is the aggregate principal amount of all the Debentures issued to the
Initial Purchasers pursuant to the Purchase Agreement (the "Cap Allocation
Amount").

               SECTION 15.9 Benefits of Indenture. Nothing in this Indenture or
in the Debentures, expressed or implied, shall give to any person, other than
the parties hereto and their successors hereunder and the holders of Senior
Indebtedness, any benefit or any legal or equitable right, remedy or claim under
this Indenture.

               SECTION 15.10 Table of Content, 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 15.11 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.

               SECTION 15.12 Assignment, Etc. Any holder of Debentures may,
subject to compliance with the Purchase Agreement and to applicable federal and
state securities laws and the legend set forth on the Debentures, transfer or
assign its Debenture(s) or any interest therein and herein and may pledge,
encumber or transfer any of its rights or interest in and to the Debenture and
herein or any part hereof and thereof and, without limitation, each assignee,
transferee and pledgee (which may include any Affiliate of the holder) shall
have the right to transfer or assign its interest. Each such assignee,
transferee and pledgee shall have all of the rights of a holder of the Debenture
and this Indenture.

                                       51

<PAGE>
               IN WITNESS WHEREOF, the parties hereto have caused this Indenture
to be duly signed and attested as of the date first written above.

                                        SONICBLUE INCORPORATED

                                        By: /s/ JOHN J. TODD
                                           ---------------------------------
                                           Name: John J. Todd
                                           Title: Chief Operating Officer

Attest:

                                        INITIAL PURCHASERS:

                                        PORTSIDE GROWTH AND OPPORTUNITY FUND

                                        By: /s/ JEFFREY M. SOLOMON
                                           ---------------------------------
                                           Name:  Jeffrey M. Solomon
                                           Title: Managing Officer

                                        SMITHFIELD FIDUCIARY LLC

                                        By: /s/ ADAM J. CHILL
                                           ---------------------------------
                                           Name:  Adam J. Chill
                                           Title: Authorized Signatory

                                        CITADEL EQUITY FUND LTD.

                                        By: /s/ KENNETH A. SIMPLER
                                           ---------------------------------
                                           Name:  Kenneth A. Simpler
                                           Title: Vice President

                                       52

<PAGE>
                               SCHEDULE OF BUYERS

<TABLE>
<CAPTION>
                                                        Principal    Investor's Representatives'
Initial Purchaser       Initial Purchaser Address       Amount of            Address and
      Name                 and Facsimile Number         Debentures         Facsimile Number                Wire Instructions
--------------------    ----------------------------   -----------   ---------------------------      -------------------------
<S>                     <C>                            <C>           <C>                              <C>
Portside Growth &       c/o Ramius Capital Group,      $25,000,000    Schulte Roth & Zabel LLP
Opportunity Fund,       L.L.C.                                        919 Third Avenue
Ltd.                    666 Third Avenue, 26th Floor                  New York, NY  10022
                        New York, NY 10017                            Attn: Eleazer Klein, Esq.
                        Attention: Jeffrey M. Solomon                 Telephone: (212) 756-2000
                        Andrew Strober                                Facsimile: (212) 593-5955
                        Telephone:  (212) 845-7917
                        Facsimile:  (212) 845-7999

Smithfield Fiduciary    c/o Highbridge Capital
LLC                     Management, LLC                $25,000,000    Schulte Roth & Zabel LLP
                        9 West 57th Street, 27th Floor                919 Third Avenue
                        New York, New York  10019                     New York, NY  10022
                        Attention:  Ari J. Storch                     Attn: Eleazer Klein, Esq.
                                    Adam J. Chill                     Telephone: (212) 756-2000
                        Telephone:  212-287-4720                      Facsimile: (212) 593-5955
                        Facsimile:  212-751-0755

Citadel Equity          c/o Citadel Investment         $25,000,000    Katten Muchin
Fund Ltd.               Group, L.L.C.                                 Zavis Rosenman
                        225 West Washington Street                    525 W. Monroe Street
                        Chicago, Illinois 60606                       Chicago, Illinois
                        Attention:  Kenneth A.                        60661-3693
                        Simpler                                       Attention: Robert J.
                        Facsimile: (312) 338-0780                     Brantman, Esq.
                        Telephone: (312) 338-7801                     Facsimile: (312) 902-1061
                                                                      Telephone: (312) 902-5289
</TABLE>

                                       53

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