Document:

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                                 EXTANT, INC.

                           EQUITY COMPENSATION PLAN

        The purpose of the Extant, Inc. 1999 Equity Compensation Plan (the
"Plan") is to provide (i) designated employees of Extant, Inc. (the "Company")
and its subsidiaries, (ii) certain Key Advisors and advisors who perform
services for the Company or its subsidiaries and (iii) non-employee members of
the Board of Directors of the Company (the "Board") with the opportunity to
receive grants of incentive stock options, nonqualified stock options, stock
appreciation rights, restricted stock and performance units. The Company
believes that the plan will encourage the participants to contribute materially
to the growth of the Company, thereby benefiting the Company's shareholders, and
will align the economic interests of the participants with those of the
shareholders.

        1. Administration

           (a)  Committee. The Plan shall be administered and interpreted by the
Board or, at the Board's election, a committee appointed by the Board (the
"Committee"). The Board may exercise any power or authority of the Committee
under the Plan and, in such case, references to the Committee hereunder, as they
relate to Plan administration, shall be deemed to include the Board as a whole.
As permitted by law, the Board or the Committee may delegate its authority under
the Plan to a member of the Board or to an executive officer of the Company.
After a Public Offering, the Committee shall consist of two or more persons
appointed by the Board, all of whom may be "outside directors" as defined under
section 162(m) of the Internal Revenue Code of 1986, as amended (the "Code") and
related Treasury regulations and may be "non-employee directors" as defined
under Rule 16b-3 under the Securities Exchange Act of 1934, as amended (the
"Exchange Act").

           (b) Committee Authority. The Committee shall have the sole authority
to (i) determine the individuals to whom grants shall be made under the Plan,
(ii) determine the type, size and terms of the grants to be made to each
individual, (iii) determine the time when the grants will be made and the
duration of any applicable exercise or restriction period, including the
criteria for exercisability and the acceleration of exercisability and (iv) deal
with any other matters arising under the Plan.

           (c) Committee Determinations. The Committee shall have full power and
authority to administer and interpret the Plan, to make factual determinations
and to adopt or amend such rules, regulations, agreements and instruments for
implementing the Plan and for the conduct of its business as it deems necessary
or advisable, in its sole discretion. The Committee's interpretations of the
Plan and all determinations made by the Committee pursuant to the powers vested
in it hereunder shall be conclusive and binding on all persons having any
interest in the Plan or in any awards granted hereunder. All powers of the
Committee shall be executed in its sole discretion, in the best interest of the
Company, not as a fiduciary, and in keeping with the objectives of the Plan and
need not be uniform as to similarly situated individuals.

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        2. Grants

        Awards under the Plan may consist of grants of incentive stock options
as described in Section 5 ("Incentive Stock Options"), nonqualified stock
options as described in Section 5 ("Nonqualified Stock Options") (Incentive
Stock Options and Nonqualified Stock Options are collectively referred to as
"Options"), restricted stock as described in Section 6 ("Restricted Stock"),
stock appreciation rights as described in Section 7 ("SARs"), and performance
units as described in Section 8 ("Performance Units") (hereinafter collectively
referred to as "Grants"). All Grants shall be subject to the terms and
conditions set forth herein and to such other terms and conditions consistent
with this Plan as the Committee deems appropriate and as are specified in
writing by the Committee to the individual in a grant instrument (the "Grant
Instrument") or an amendment to the Grant Instrument. The Committee shall
approve the form and provisions of each Grant Instrument. Grants under a
particular Section of the Plan need not be uniform as among the grantees.

        3. Shares Subject to the Plan

           (a) Shares Authorized. Subject to the adjustment specified below, the
aggregate number of shares of common stock of the Company ("Company Stock") that
may be issued or transferred under the Plan is 2,312,933 shares. After a Public
Offering, the maximum aggregate number of shares of Company Stock that shall be
subject to Grants made under the Plan to any individual during any calendar year
shall be 1,150,000 shares. The shares may be authorized but unissued shares of
Company Stock or reacquired shares of Company Stock, including shares purchased
by the Company on the open market for purposes of the Plan, if and to the extent
Options or SARs granted under the Plan terminate, expire, or are canceled,
forfeited, exchanged or surrendered without having been exercised, or if any
shares of Restricted Stock or Performance Units are forfeited, the shares
subject to such Grants shall again be available for purposes of the Plan.

           (b) Adjustments. If there is any change in the number or kind of
shares of Company Stock outstanding (i) by reason of a stock dividend, spinoff,
recapitalization, stock split or combination or exchange of shares, (ii) by
reason of a merger, reorganization or consolidation in which the Company is the
surviving corporation, (iii) by reason of a reclassification or change in par
value, or (iv) by reason of any other extraordinary or unusual event affecting
the outstanding Company Stock as a class without the Company's receipt of
consideration, or if the value of outstanding shares of Company Stock is
substantially reduced as a result of a spinoff or the Company's payment of an
extraordinary dividend or distribution, the maximum number of shares of Company
Stock available for Grants, the maximum number of shares of Company Stock that
any individual participating in the Plan may be granted in any year, the number
of shares covered by outstanding Grants, the kind of shares issued under the
Plan, and the price per share or the applicable market value of such Grants
shall be appropriately adjusted by the Committee to reflect any increase or
decrease in the number of, or change in the kind or value of, issued shares of
Company Stock to preclude, to the extent practicable, the enlargement or
dilution of rights and benefits under such Grants; provided, however, that any

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fractional shares resulting from such adjustment shall be eliminated. Any
adjustments determined by the Committee shall be final, binding and conclusive.

        4. Eligibility for Participation

           (a) Eligible Persons. All employees of the Company and its
subsidiaries ("Employees"), including Employees who are officers or members of
the Board, and members of the Board who are not Employees ("Non-Employee
Directors") shall be eligible to participate in the Plan. Key Advisors and
advisors who perform services to the Company or any of its subsidiaries ("Key
Advisors") shall be eligible to participate in the Plan if the Key Advisors
render bona fide services and such services are not in connection with the offer
or sale of securities in a capital-raising transaction.

           (b) Selection of Grantees. The Committee shall select the Employees,
Non-Employee Directors and Key Advisors to receive Grants and shall determine
the number of shares of Company Stock subject to a particular Grant in such
manner as the Committee determines. Employees, Key Advisors and Non-Employee
Directors who receive Grants under this Plan shall hereinafter be referred to
as "Grantees".

        5. Granting of Options

           (a) Number of Shares. The Committee shall determine the number of
shares of Company Stock that will be subject to each Grant of Options to
Employees, Non-Employee Directors and Key Advisors.

           (b) Type of Option and Price

               (i) The Committee may grant Incentive Stock Options that are
intended to qualify as "incentive stock options" within the meaning of Section
422 of the Code or Nonqualified Stock Options that are not intended so to
qualify or any combination of Incentive Stock Options and Nonqualified Stock
Options, all in accordance with the terms and conditions set forth herein.
Incentive Stock Options may be granted only to Employees. Nonqualified Stock
Options may be granted to Employees, Non-Employee Directors and Key Advisors.

               (ii) The purchase price (the "Exercise Price") of Company Stock
subject to an Option shall be determined by the Committee and may be equal to,
greater than, or less than the Fair Market Value (as defined below) of a share
of Company Stock on the date the Option is granted, provided, however, that (x)
the Exercise Price of an Incentive Stock Option shall be equal to, or greater
than, the Fair Market Value of a share of Company Stock on the date the
Incentive Stock Option is granted and (y) an Incentive Stock Option may not be
granted to an Employee who, at the time of grant, owns stock possessing more
than 10 percent of the total combined voting power of all classes of stock of
the Company or any parent or subsidiary of the Company, unless the Exercise
Price per share is not less than 110% of the Fair Market Value of Company Stock
on the date of grant.

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              (iii) If the Company Stock is publicly traded, then the Fair
Market Value per share shall be determined as follows: (x) if the principal
trading market for the Company Stock is a national securities exchange or the
Nasdaq National Market, the last reported sale price thereof on the relevant
date or (if there were no trades on that date) the latest preceding date upon
which a sale was reported, or (y) if the Company Stock is not principally traded
on such exchange or market, the mean between the last reported "bid" and "asked"
prices of Company Stock on the relevant date, as reported on Nasdaq or, if not
so reported, as reported by the National Daily Quotation Bureau, Inc. or as
reported in a customary financial reporting service, as applicable and as the
Committee determines. If the Company Stock is not publicly traded or, if
publicly traded, is not subject to reported transactions or "bid" or "asked"
quotations as set forth above, the Fair Market Value per share shall be as
determined by the Committee.

           (c) Option Term. The Committee shall determine the term of each
Option. The term of any Option shall not exceed ten years from the date of
grant. However, an Incentive Stock Option that is granted to an Employee who, at
the time of grant, owns stock possessing more than 10 percent of the total
combined voting power of all classes of stock of the Company, or any parent or
subsidiary of the Company, may not have a term that exceeds five years from the
date of grant.

           (d) Exercisability of Options. Options shall become exercisable in
accordance with such terms and conditions, consistent with the Plan, as may be
determined by the Committee and specified in the Grant Instrument or an
amendment to the Grant Instrument. The Committee may accelerate the
exercisability of any or all outstanding Options at any time for any reason.

           (e) Termination of Employment, Disability or Death

               (i) Except as provided below, an Option may only be exercised
while the Grantee is employed by the Company as an Employee, Key Advisor or
member of the Board. In the event that a Grantee ceases to be employed by the
Company for any reason other than a "disability", death or "termination for
cause", any Option which is otherwise exercisable by the Grantee shall terminate
unless exercised within 90 days after the date on which the Grantee ceases to
be employed by the Company (or within such other period of time as may be
specified by the Committee), but in any event no later than the date of
expiration of the Option term. Any of the Grantee's Options that are not
otherwise exercisable as of the date on which the Grantee ceases to be employed
by the Company shall terminate as of such date.

               (ii) In the event the Grantee ceases to be employed by the
Company on account of a "termination for cause" by the Company, any Option held
by the Grantee shall terminate as of the date the Grantee ceases to be employed
by the Company.

               (iii) In the event the Grantee ceases to be employed by the
Company because the Grantee is  "disabled", any Option which is otherwise
exercisable by the Grantee shall terminate unless exercised within one year
after the date on which the Grantee ceases to be employed by the Company (or
within such other period of time as may be specified by the

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Committee), but in any event no later than the date of expiration of the Option
term. Any of the Grantee's Options which are not otherwise exercisable as of the
date on which the Grantee ceases to be employed by the Company shall terminate
as of such date, unless the Committee has specified in the Grant Instrument or
an amendment to the Grant Instrument that such otherwise unexercisable options
become shall, in such event, become exercisable (in which event the Committee
may further specify the extent to which such unexercisable options shall become
exercisable and whether action of the Committee is required).

               (iv) If the Grantee dies while employed by the Company or within
90 days after the date on which the Grantee ceases to be employed on account of
a termination of employment specified in Section 5(c)(i) above (or within such
other period of time as may be specified by the Committee), any Option that is
otherwise exercisable by the Grantee shall terminate unless exercised within one
year after the date on which the Grantee ceases to be employed by the Company
(or within such other period of time as may as may be specified by the
Committee), but in any event no later than the date of expiration of the Option
term. Any of the Grantee's Options that are not otherwise exercisable as of the
date on which the Grantee ceases to be employed by the Company shall terminate
as of such date, unless the Committee has specified in the Grant Instrument or
an amendment to the Grant Instrument that such otherwise unexercisable options
become shall, in such event, become exercisable (in which event the Committee
may further specify the extent to which such unexercisable options shall become
exercisable and whether action of the Committee is required).

               (v) For purposes of Sections 5(e), 6, 7, 8 and 12;

                   (A) "Company," when used in the phrase "employed by the
Company," shall mean the Company and its parent and subsidiary corporations and
any entities controlled by or under common control with the Company.

                   (B) "Employed by the Company" shall mean employment or
service as an Employee, Key Advisor or member of the Board (so that, for
purposes of exercising Options and SARs and satisfying conditions with respect
to Restricted Stock and Performance Units, a Grantee shall not be considered to
have terminated employment or service until the Grantee ceases to be an
Employee, Key Advisor and member of the Board), unless the Committee determines
otherwise.

                   (C) "Disability" shall mean a Grantee's becoming disabled
within the meaning of section 22(e)(3) of the Code.

                   (D) "Termination for cause" shall mean, except to the extent
specified otherwise by the Committee, a finding by the Committee that the
Grantee has breached his or her employment, service, noncompetition,
nonsolicitation or other similar contract with the Company, or has been engaged
in disloyalty to the Company, including without limitation, fraud, embezzlement,
theft, commission of a felony or dishonesty in the course of his or her
employment or service, or has disclosed trade secrets or confidential
information of the Company to persons not entitled to receive such

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information. In the event a Grantee's employment is terminated for cause, in
addition to the immediate termination of all Grants, the Grantee shall
automatically forfeit all shares underlying any exercised portion of an Option,
upon refund by the Company of the Exercise Price paid by the Grantee for such
shares.

            (f) Exercise of Options. A Grantee may exercise an Option that has
become exercisable, in whole or in part, by delivering a notice of exercise to
the Company with payment of the Exercise Price. the Grantee shall pay the
Exercise Price for an Option as specified by the Committee (x) in cash, (y) with
the approval of the Committee, by delivering shares of Company Stock owned by
the Grantee for the period necessary to avoid a charge to the Company's earnings
for financial reporting purposes (including Company Stock acquired in connection
with the exercise of an Option, subject to such restrictions as the Committee
deems appropriate) and having a Fair Market Value on the date of exercise equal
to the Exercise Price or (z) by such other method as the Committee may approve,
including after a Public Offering payment through a broker in accordances with
procedures permitted by Regulation T of the Federal Reserve Board. Shares of
Company Stock used to exercise an Option shall have been held by the Grantee for
the requisite period of time to avoid adverse accounting consequences to the
Company with respect to the Option. The Grantee shall pay the Exercise Price and
the amount of any withholding tax due (pursuant to Section 9) at the time of
exercise.

            (g) Limits on Incentive Stock Options. Each Incentive Stock Option
shall provide that, if the aggregate Fair Market Value of the stock on the date
of the grant with respect to which Incentive Stock Options are exercisable for
the first time by a Grantee during any calendar year, under the Plan or any
other stock option plan of the Company or a parent or subsidiary, exceeds
$100,000, then the option, as to the excess, shall be treated as a Nonqualified
Stock Option. An Incentive Stock Option shall not be granted to any person who
is not an Employee of the Company or a parent or subsidiary (within the meaning
of section 424(f) of the Code).

        6.  Restricted Stock Grants

        The Committee may issue or transfer shares of Company Stock to an
Employee or Key Advisor under a Grant of Restricted Stock, upon such terms as
the Committee deems appropriate. The following provisions are applicable to
Restricted Stock:

           (a) General Requirements. Shares of Company Stock issued or
transferred pursuant to Restricted Stock Grants may be issued or transferred for
consideration or for no consideration, as determined by the Committee. The
Committee may establish conditions under which restrictions on shares of
Restricted Stock shall lapse over a period of time or according to such other
criteria as the Committee deems appropriate. The period of time during which the
Restricted Stock will remain subject to restrictions will be designated in the
Grant Instrument as the "Restriction Period."

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        (b) Number of Shares. The Committee shall determine the number of shares
of Company Stock to be issued or transferred pursuant to a Restricted Stock
Grant and the restrictions applicable to such shares.

        (c) Requirement of Employment. If the Grantee ceases to be employed by
the Company (as defined in Section 5(c)) during a period designated in the Grant
Instrument as the Restriction Period, or if other specified conditions are not
met, the Restricted Stock Grant shall terminate as to all shares covered by the
Grant as to which the restrictions have not lapsed, and those shares of Company
Stock must be immediately returned to the Company. The Committee may, however,
provide for complete or partial exceptions to this requirement as it deems
appropriate.

        (d) Restrictions on Transfer and Legend on Stock Certificate. During the
Restriction Period, a Grantee may not sell, assign, transfer, pledge or
otherwise dispose of the shares of Restricted Stock except to a Successor
Grantee under Section 10(a). Each certificate for a share of Restricted Stock
shall contain a legend giving appropriate notice of the restrictions in the
Grant. The Grantee shall be entitled to have the legend removed from the stock
certificate covering the shares subject to restrictions when all restrictions
on such shares have lapsed. The Committee may determine that the Company will
not issue certificates for shares of Restricted Stock until all restrictions on
such shares have lapsed, or that the Company will retain possession of
certificates for shares of Restricted Stock until all restrictions on such
shares have lapsed.

        (e) Right to Vote and to Receive Dividends. Unless the Committee
determines otherwise, during the Restriction Period, the Grantee shall have the
right to vote shares of Restricted Stock and to receive any dividends or other
distributions paid on such shares, subject to any restrictions deemed
appropriate by the Committee.

        (f) Lapse of Restrictions. All restrictions imposed on Restricted Stock
shall lapse upon the expiration of the applicable Restriction Period and the
satisfaction of all conditions imposed by the Committee. The Committee may
determine, as to any or all Restricted Stock Grants, that the restrictions shall
lapse without regard to any Restriction Period.

    7. Stock Appreciation Rights.

        (a) General Requirements. The Committee may grant stock appreciation
rights ("SARs") to an Employee or Key Advisor separately or in tandem with any
Option (for all or a portion of the applicable Option). Tandem SARs may be
granted either at the time the Option is granted or at any time thereafter while
the Option remains outstanding; provided, however, that, in the case of an
Incentive Stock Option, SARs may be granted only at the time of the Grant of the
Incentive Stock Option. The Committee shall establish the base amount of the
SAR at the time the SAR is granted. Unless the Committee determines otherwise,
the base amount of each SAR shall be equal to the per share Exercise Price of
the related Option or, if there is no related Option, the Fair Market Value of a
share of Company Stock as of the date of Grant of the SAR.

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        (b) Tandem SARs. In the case of tandem SARs, the number of SARs granted
to a Grantee that shall be exercisable during a specified period shall not
exceed the number of shares of Company Stock that the Grantee may purchase upon
the exercise of the related Option during such period. Upon the exercise of an
Option, the SARs, relating to the Company Stock covered by such Option shall
terminate. Upon the exercise of SARs, the related Option shall terminate to the
extent of an equal number of shares of Company Stock.

        (c) Exercisability. An SAR shall be exercisable during the period
specified by the Committee in the Grant Instrument and shall be subject to such
vesting and other restrictions as may be specified in the Grant Instrument. The
Committee may accelerate the exercisability of any or all outstanding SARs at
any time for any reason. SARs may only be exercised while the Grantee is
employed by the Company or during the applicable period after termination of
employment as described in Section 5(a). A tandem SAR shall be exercisable only
during the period when the Option to which it is related is also exercisable.
No SAR may be exercised for cash by an officer or director of the Company or any
of its subsidiaries who is subject to Section 16 of the Exchange Act, except in
accordance with Rule 16b-3 under the Exchange Act.

        (d) Value of SARs. When a Grantee exercises SARs, the Grantee shall
receive in settlement of such SARs an amount equal to the value of the stock
appreciation for the number of SARs exercised, payable in cash, Company Stock or
a combination thereof. The stock appreciation for an SAR is the amount by which
the Fair Market Value of the underlying Company Stock on the date of exercise of
the SAR exceeds the base amount of the SAR as described in Subsection (a).

        (e) Form of Payment. The Committee shall determine whether the
appreciation in an SAR shall be paid in the form of cash, shares of Company
Stock, or a combination of the two, in such proportion as the Committee deems
appropriate. For purpose of calculating the number of shares of Company Stock to
be received, shares of Company Stock shall be valued at their Fair Market Value
on the  date of exercise of the SAR. If shares of Company Stock are to be
received upon exercise of an SAR, cash shall be delivered in lieu of any
fractional share.

    8.  Performance Units.

        (a) General Requirements. The Committee may grant performance units
("Performance Units") to an Employee or Key Advisor. Each Performance Unit shall
represent the right of the Grantee to receive an amount based on the value of
the Performance Unit, if performance goals established by the Committee are met.
A Performance Unit shall be based on the Fair Market Value of a share of Company
Stock or on such other measurement base as the Committee deems appropriate. The
Committee shall determine the number of Performance Units to be granted and the
requirements applicable to such Units.

        (b) Performance Period and Performance Goals. When Performance Units
are granted, the Committee shall establish the performance period during which
performance shall

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be measured (the "Performance Period"), performance goals applicable to the
Units ("Performance Goals") and such other conditions of the Grant as the
Committee deems appropriate. Performance Goals may relate to the financial
performance of the Company or its operating units, the performance of Company
Stock, individual performance, or such other criteria as the Committee deems
appropriate.

            (c) Payment with respect to Performance Units. At the end of each
Performance Period, the Committee shall determine to what extent the Performance
Goals and other conditions of the Performance Units are met and the amount, if
any, to be paid with respect to the Performance Units. Payments with respect to
Performance Units shall be made in cash, in Company Stock, or in a combination
of the two, as determined by the Committee.

            (d) Requirement of Employment. If the Grantee ceases to be employed
by the Company (as defined in Section 5(a)) during a Performance Period, or if
other conditions established by the Committee are not met, the Grantee's
Performance Units shall be forfeited. The Committee may, however, provide for
complete or partial exceptions to this requirement as it deems appropriate.

        9.  Withholding of Taxes

            (a) Required Withholding. All Grants under the Plan shall be subject
to applicable federal (including FICA), state and local tax withholding
requirements. The Company shall have the right to deduct from all Grants paid in
cash, or from other wages paid to the Grantee, any federal, state or local taxes
required by law to be withheld with respect to such Grants. in the case of
Options and other Grants paid in Company Stock, the Company may require the
Grantee or other person receiving such shares to pay to the Company the amount
of any such taxes that the Company is required to withhold with respect to such
Grants, or the Company may deduct from other wages paid by the Company the
amount of any withholding taxes due with respect to such Grants.

            (b) Election to Withhold Shares. If the Committee so permits, a
Grantee may elect to satisfy the Company's income tax withholding obligation
with respect to an Option, SAR, Restricted Stock or Performance Units paid in
Company Stock by having shares withheld up to an amount that does not exceed the
Grantee's maximum marginal tax rate for federal (including FICA), state and
local tax liabilities. The election must be in a form and manner prescribed by
the Committee and shall be subject to the prior approval of the Committee.

        10. Transferability of Grants

            (a) Nontransferability of Grants. Except as provided below, only the
Grantee may exercise rights under a Grant during the Grantee's lifetime. A
Grantee may not transfer those rights except by will or by the laws of descent
and distribution or, with respect to Grants other than Incentive Stock Options,
if permitted in any specific case by the Committee, pursuant to a domestic
relations order (as defined under the Code or Title I of the Employee Retirement
Income Security Act of 1974, as amended, or the regulations thereunder). When a
Grantee dies,

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the personal representative or other person entitled to succeed to the rights of
the Grantee ("Successor Grantee") may exercise such rights. A Successor Grantee
must furnish proof satisfactory to the Company of his or her right to receive
the Grant under the Grantee's will or under the applicable laws of descent and
distribution.

            (b) Transfer of Nonqualified Stock Options. Notwithstanding the
foregoing, the Committee may provide, in a Grant Instrument, that a Grantee may
transfer Nonqualified Stock Options to family members or other persons or
entities according to such terms as the Committee may determine; provided that
the Grantee receives no consideration for the transfer of an Option and the
transferred Option shall continue to be subject to the same terms and conditions
as were applicable to the Option immediately before the transfer.

        11. Right of First Refusal

        Prior to a Public Offering, if at any time an individual desires to
sell, encumber, or otherwise dispose of shares of Company Stock distributed to
him under this Plan, the individual shall first offer the shares to the Company
by giving the Company written notice disclosing: (a) the name of the proposed
transferee of the Company Stock; (b) the certificate number and number of shares
of Company Stock proposed to be transferred or encumbered; (c) the proposed
price; (d) all other terms of the proposed transfer; and (e) a written copy of
the proposed offer. Within 30 days after receipt of such notice, the Company
shall have the option to purchase all or part of such Company Stock at the same
price and on the same terms as contained in such notice.

        In the event the Company (or a shareholder, as described below) does not
exercise the option to purchase Company Stock, as provided above, the individual
shall have the right to sell, encumber or otherwise dispose of his shares of
Company Stock on the terms of the transfer set forth in the written notice to
the Company, provided such transfer is affected within 30 days after the
expiration of the option period. If the transfer is not affected within such
period, the Company must again be given an option to purchase, as provided
above.

        The Board, in its sole discretion, may waive the Company's right of
first refusal pursuant to this Section 11 and the Company's repurchase right
pursuant to Section 12 below. If the Company's right of first refusal or
repurchase right is so waived, the Board may, in its sole discretion, pass
through such right to the remaining shareholders or the Company in the same
proportion that each shareholder's stock ownership bears to the stock ownership
of all the shareholders of the Company, as determined by the Board. To the
extent that a shareholder has been given such right and does not purchase his or
her allotment, the other shareholders shall have the right to purchase such
allotment on the same basis.

        On and after a Public Offering, the Company shall have no further right
to purchase shares of Company Stock under this Section 11 and Section 12 below,
and its limitations shall be null and void.

        Notwithstanding the foregoing, the Committee may require that a Grantee
execute a shareholder's agreement, with such terms as the Committee deems
appropriate, with respect to

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any Company Stock distributed pursuant to this Plan. Such agreement may provide
that the provisions of this Section 11 and Section 12 below shall not apply to
such Company Stock.

        12. Purchase by the Company

        Prior to a Public Offering, if a Grantee ceases to be employed by the
Company, whether terminated for cause or voluntarily, the Company shall have
the right to purchase all or part of any Company Stock distributed to him under
this Plan at the exercise price paid by the Grantee (unless otherwise determined
by the Board or the Committee), and in all other cases at its then current Fair
Market Value (as defined in Section 5(b)); provided, however, that such
repurchase shall be made in accordance with applicable accounting rules to avoid
adverse accounting treatment.

        13. Reorganization of the Company

            (a) Reorganization. As used herein, a "Reorganization" shall be
deemed to have occurred if the shareholders of the Company approve (or, if
shareholder approval is not required, the Board approves) an agreement providing
for (i) the merger or consolidation of the Company with another corporation
where the shareholders of the Company, immediately prior to the merger or
consolidation, will not beneficially own, immediately after the merger or
consolidation, shares entitling such shareholders to more than 50% of all votes
to which all shareholders of the surviving corporation would be entitled in the
election of directors (without consideration of the rights of any class of stock
to elect directors by a separate class vote), (ii) the sale or other disposition
of all or substantially all of the assets of the Company, or (iii) a liquidation
or dissolution of the Company.

            (b) Assumption of Grants. Upon a Reorganization where the Company is
not the surviving corporation (or survives only as a subsidiary of another
corporation), unless the Committee determines otherwise, all outstanding Options
and SARs that are not exercised shall be assumed by, or replaced with comparable
options or rights by, the surviving corporation.

            (c) Other Alternatives. Notwithstanding the foregoing, in the event
of a Reorganization, the Committee may take one or both of the following
actions: the Committee may (i) require that Grantees surrender their outstanding
Options and SARs in exchange for a payment by the Company, in cash or Company
Stock as determined by the Committee, in an amount equal to the amount by which
the then Fair Market Value of the shares of Company Stock subject to the
Grantee's unexercised Options and SARs exceeds the Exercise Price of the Options
or the base amount of the SARs, as applicable, or (ii) after giving Grantees an
opportunity to exercise their outstanding Options and SARs, terminate any or all
unexercised Options and SARs at such time as the Committee deems appropriate.
Such surrender or termination shall take place as of the date of the
Reorganization or such other date as the Committee may specify.

            (d) Limitations. Notwithstanding anything in the Plan to the
contrary, in the event of a Reorganization, the Committee shall not have the
right to take any actions described in

                                      11
<PAGE>

the Plan (including without limitation actions described in Subsections (b)
above) that would make the Reorganization ineligible for pooling of interests
accounting treatment or that would make the Reorganization ineligible for
desired tax treatment if, in the absence of such right, the Reorganization would
qualify for such treatment and the Company intends to use such treatment with
respect to the Reorganization.

        14. Requirements for Issuance or Transfer of Shares

            (a) Shareholder's Agreement. The Committee may require that a
Grantee execute a shareholder's agreement, with such terms as the Committee
deems appropriate, with respect to any Company Stock distributed pursuant to
this Plan.

            (b) Limitations on Issuance or Transfer of Shares. No Company Stock
shall be issued or transferred in connection with any Grant hereunder unless and
until all legal requirements applicable to the issuance or transfer of such
Company Stock have been complied with to the satisfaction of the Committee. The
Committee shall have the right to condition any Grant made to any Grantee
hereunder on such Grantee's undertaking in writing to comply with such
restrictions on his or her subsequent disposition of such shares of Company
Stock as the Committee shall deem necessary or advisable as a result of any
applicable law, regulation or official interpretation thereof, and certificates
representing such shares may be legended to reflect any such restrictions.
Certificates representing shares of Company Stock issued or transferred under
the Plan will be subject to such stop-transfer orders and other restrictions as
may be required by applicable laws, regulations and interpretations, including
any requirement that a legend be placed thereon.

        15. Amendment and Termination of the Plan

            (a) Amendment. The Board may amend or terminate the Plan at any
time; provided, however, that the Board shall not amend the Plan without
shareholder approval if such approval is required by Section 162(m) of the
Code.

            (b) Termination of Plan. The Plan shall terminate on the day
immediately preceding the tenth anniversary of its effective date, unless the
Plan is terminated earlier by the Board or is extended by the Board with the
approval of the shareholders.

            (c) Termination and Amendment of Outstanding Grants. A termination
or amendment of the Plan that occurs after a Grant is made shall not materially
impair the rights of a Grantee unless the Grantee consents. The termination of
the Plan shall not impair the power and authority of the Committee with respect
to an outstanding Grant. Whether or not the Plan has terminated, an outstanding
Grant may be terminated or amended in accordance with the Plan or, may be
amended by agreement of the Company and the Grantee consistent with the Plan.

            (d) Governing Document. The Plan shall be the controlling document.
No other statements, representations, explanatory materials or examples, oral or
written, may amend

                                      12

<PAGE>

the Plan in any manner. The Plan shall be binding upon and enforceable against
the Company and its successors and assigns.

        16. Funding of the Plan

        This Plan shall be unfunded. The Company shall not be required to
establish any special or separate fund or to make any other segregation of
assets to assure the payment of any Grants under this Plan. In no event shall
interest be paid or accrued on any Grant, including unpaid installments of
Grants.

        17. Rights of Participants

        Nothing in this Plan shall entitle any Employer, Key Advisor or other
person to any claim or right to be granted a Grant under this Plan. Neither this
Plan nor any action taken hereunder shall be construed as giving any individual
any rights to be retained by or in the employ of the Company or any other
employment rights.

        18. No Fractional Shares

        No fractional shares of Company Stock shall be issued or delivered
pursuant to the Plan or any Grant. The Committee shall determine whether cash,
other awards or other property shall be issued or paid in lieu of such
fractional shares or whether such fractional shares or any rights thereto shall
be forfeited or otherwise eliminated.

        19. Headings

        Section headings are for reference only. In the event of a conflict
between a title and the content of a Section, the content of the Section shall
control.

        20. Effective Date of the Plan

            (a) Effective Date. Subject to the approval of the Company's
shareholders, the Plan shall be effective on May 11, 1999.

            (b) Public Offering. The provisions of the Plan that refer to a
Public Offering, or that refer to, or are applicable to persons subject to,
section 16 of the Exchange Act or section 162(m) of the Code, shall be
effective, if at all, upon the initial registration of the Company Stock under
section 12(g) of the Exchange Act, and shall remain effective thereafter for so
long as such stock is so registered.

        21. Miscellaneous

            (a) Grants in Connection with Corporate Transactions and Otherwise.
Nothing contained in this Plan shall be construed to (i) limit the right of the
Committee to make Grants under this Plan in connection with the acquisition, by
purchase, lease, merger,

                                      13

<PAGE>

consolidation or otherwise, of the business or assets of any corporation, firm
or association, including Grants to employees thereof who become Employees of
the Company, or for other proper corporate purposes, or (ii) limit the right of
the Company to grant stock options or make other awards outside of this Plan.
Without limiting the foregoing, the Committee may make a Grant to an employee of
another corporation who becomes an Employee by reason of a corporate merger,
consolidation, acquisition of stock or property, reorganization or liquidation
involving the Company or any of its subsidiaries in substitution for a stock
option or restricted stock grant made by such corporation. The terms and
conditions of the substitute grants may vary from the terms and conditions
required by the Plan and from those of the substituted stock incentives. The
Committee shall prescribe the provisions of the substitute grants.

           (b) Compliance with Law. The Plan, the exercise of Options and SARs
and the obligations of the Company to issue or transfer shares of Company Stock
under Grants shall be subject to all applicable laws and to approvals by any
governmental or regulatory agency as may be required. With respect to persons
subject to section 16 of the Exchange Act, it is the intent of the Company that
the Plan and all transactions under the Plan comply with all applicable
provisions of Rule 16b-3 or its successors under the Exchange Act. The Committee
may revoke any Grant if it is contrary to law or modify a Grant to bring it into
compliance with any valid and mandatory government regulation. The Committee may
also adopt rules regarding the withholding of taxes on payments to Grantees. The
Committee may, in its sole discretion, agree to limit its authority under this
Section.

           (c) Governing Law. The validity, construction, interpretation and
affect of the Plan and Grant Instruments issued under the Plan shall exclusively
be governed by and determined in accordance with the law of the State of
Delaware.

                                      14<PAGE>

===============================================================================

                                USA EDUCATION, INC.

                                       Issuer

                                        and

                              THE CHASE MANHATTAN BANK

                                      Trustee

                                     INDENTURE

                            DATED AS OF OCTOBER 1, 2000

              Providing for the Issuance of Debt Securities in Series

<PAGE>

                                      TIE-SHEET

              Reconciliation and tie between Indenture dated as of October 1,
2000 and the Trust Indenture Act of 1939.  This reconciliation section does not
constitute part of the Indenture.

<TABLE>
<CAPTION>
       TRUST INDENTURE ACT                                      INDENTURE
         OF 1939 Section                                         SECTION
       <S>                                                    <C>
       310(a)(1) . . . . . . . . . . . . . . . . . . . . . .      7.10
       (a)(2). . . . . . . . . . . . . . . . . . . . . . . .      7.10
       (a)(3). . . . . . . . . . . . . . . . . . . . . . . .  Inapplicable
       (a) . . . . . . . . . . . . . . . . . . . . . . . . .  Inapplicable
       (b) . . . . . . . . . . . . . . . . . . . . . . . . .   7.08, 7.10
       (c) . . . . . . . . . . . . . . . . . . . . . . . . .  Inapplicable
       311(a). . . . . . . . . . . . . . . . . . . . . . . .      7.11
       (b) . . . . . . . . . . . . . . . . . . . . . . . . .      7.11
       (c) . . . . . . . . . . . . . . . . . . . . . . . . .  Inapplicable
       312(a). . . . . . . . . . . . . . . . . . . . . . . .      2.07
       (b) . . . . . . . . . . . . . . . . . . . . . . . . .       10.03
       (c) . . . . . . . . . . . . . . . . . . . . . . . . .       10.03
       313(a). . . . . . . . . . . . . . . . . . . . . . . .      7.06
       (b)(1). . . . . . . . . . . . . . . . . . . . . . . .  Inapplicable
       (b)(2). . . . . . . . . . . . . . . . . . . . . . . .      7.06
       (c) . . . . . . . . . . . . . . . . . . . . . . . . .    4.02, 11.02
       (d) . . . . . . . . . . . . . . . . . . . . . . . . .      7.06
       314(a). . . . . . . . . . . . . . . . . . . . . . . .    4.02, 11.02
       (b) . . . . . . . . . . . . . . . . . . . . . . . . .  Inapplicable
       (c)(1). . . . . . . . . . . . . . . . . . . . . . . .       11.04
       (c)(2). . . . . . . . . . . . . . . . . . . . . . . .       11.04
       (c)(3). . . . . . . . . . . . . . . . . . . . . . . .  Inapplicable
       (d) . . . . . . . . . . . . . . . . . . . . . . . . .  Inapplicable
       (e) . . . . . . . . . . . . . . . . . . . . . . . . .       11.05
       (f) . . . . . . . . . . . . . . . . . . . . . . . . .  Inapplicable
       315(a). . . . . . . . . . . . . . . . . . . . . . . .      7.01(b)
       (b) . . . . . . . . . . . . . . . . . . . . . . . . .    7.05, 11.02
       (c) . . . . . . . . . . . . . . . . . . . . . . . . .      7.01(a)
       (d) . . . . . . . . . . . . . . . . . . . . . . . . .       6.05,
       316(a) (last sentence). . . . . . . . . . . . . . . .      2.11
       (a)(1)(A) . . . . . . . . . . . . . . . . . . . . . .      6.05
       (a)(1)(B) . . . . . . . . . . . . . . . . . . . . . .      6.04
       (a)(2). . . . . . . . . . . . . . . . . . . . . . . .  Inapplicable
       (b) . . . . . . . . . . . . . . . . . . . . . . . . .      6.07
       (c) . . . . . . . . . . . . . . . . . . . . . . . . .      9.04
       317(a)(1) . . . . . . . . . . . . . . . . . . . . . .   6.01, 6.08
       (a)(2). . . . . . . . . . . . . . . . . . . . . . . .      6.09
       (b) . . . . . . . . . . . . . . . . . . . . . . . . .      2.06
       318(a). . . . . . . . . . . . . . . . . . . . . . . .       11.01
</TABLE>

<PAGE>

                                 TABLE OF CONTENTS*

                                     ARTICLE 1

                     DEFINITIONS AND INCORPORATION BY REFERENCE
<TABLE>
<S>           <C>                                                          <C>
Section 1.01  Definitions. . . . . . . . . . . . . . . . . . . . . . . . . .1
Section 1.02  Incorporation by Reference of Trust Indenture Act. . . . . . .4
Section 1.03  Rules of Construction. . . . . . . . . . . . . . . . . . . . .4

                                     ARTICLE 2
                                   THE SECURITIES

Section 2.01  Issuable in Series.. . . . . . . . . . . . . . . . . . . . . .5
Section 2.02  Establishment of Terms and Form of Series of Securities. . . .5
Section 2.03  Execution, Authentication, and Delivery. . . . . . . . . . . .7
Section 2.04  Registrar and Paying Agent.. . . . . . . . . . . . . . . . . .9
Section 2.05  Payment on Securities. . . . . . . . . . . . . . . . . . . . .9
Section 2.06  Paying Agent to Hold Money in Trust. . . . . . . . . . . . . 10
Section 2.07  Securityholder Lists; Ownership of Securities. . . . . . . . 11
Section 2.08  Transfer and Exchange. . . . . . . . . . . . . . . . . . . . 11
Section 2.09  Replacement Securities.. . . . . . . . . . . . . . . . . . . 12
Section 2.10  Outstanding Securities.. . . . . . . . . . . . . . . . . . . 13
Section 2.11  Treasury Securities. . . . . . . . . . . . . . . . . . . . . 13
Section 2.12  Temporary Securities.. . . . . . . . . . . . . . . . . . . . 14
Section 2.13  Cancellation.. . . . . . . . . . . . . . . . . . . . . . . . 14
Section 2.14  Defaulted Interest.. . . . . . . . . . . . . . . . . . . . . 15
Section 2.15  Global Securities. . . . . . . . . . . . . . . . . . . . . . 15

                                     ARTICLE 3
                                     REDEMPTION

Section 3.01  Notice to the Trustee. . . . . . . . . . . . . . . . . . . . 16
Section 3.02  Selection of Securities to be Redeemed.. . . . . . . . . . . 16
Section 3.03  Notice of Redemption.. . . . . . . . . . . . . . . . . . . . 16
Section 3.04  Effect of Notice of Redemption.. . . . . . . . . . . . . . . 17
Section 3.05  Deposit of Redemption Price. . . . . . . . . . . . . . . . . 17
Section 3.06  Securities Redeemed in Part. . . . . . . . . . . . . . . . . 18

                                     ARTICLE 4
                                     COVENANTS

Section 4.01  Payment of Securities. . . . . . . . . . . . . . . . . . . . 18
Section 4.02  Reports by the Company; Compliance Certificate.. . . . . . . 18
Section 4.03  Lien on Assets.. . . . . . . . . . . . . . . . . . . . . . . 19

                                         -i-

<PAGE>

                                     ARTICLE 5
                               SUCCESSOR CORPORATION

Section 5.01  When the Company May Merge, etc. . . . . . . . . . . . . . . 19

                                     ARTICLE 6
                               DEFAULTS AND REMEDIES

Section 6.01  Events of Default. . . . . . . . . . . . . . . . . . . . . . 20
Section 6.02  Acceleration.. . . . . . . . . . . . . . . . . . . . . . . . 21
Section 6.03  Other Remedies Available to Trustee. . . . . . . . . . . . . 21
Section 6.04  Waiver of Existing Defaults. . . . . . . . . . . . . . . . . 22
Section 6.05  Control by Majority. . . . . . . . . . . . . . . . . . . . . 22
Section 6.06  Limitation on Suits by Securityholders.. . . . . . . . . . . 22
Section 6.07  Rights of Holders to Receive Payment.. . . . . . . . . . . . 23
Section 6.08  Collection Suits by Trustee. . . . . . . . . . . . . . . . . 23
Section 6.09  Trustee May File Proofs of Claim.. . . . . . . . . . . . . . 23
Section 6.10  Priorities.. . . . . . . . . . . . . . . . . . . . . . . . . 23
Section 6.11  Undertaking for Costs. . . . . . . . . . . . . . . . . . . . 23

                                     ARTICLE 7
                                      TRUSTEE

Section 7.01  Duties of Trustee. . . . . . . . . . . . . . . . . . . . . . 24
Section 7.02  Rights of Trustee. . . . . . . . . . . . . . . . . . . . . . 25
Section 7.03  Individual Rights of Trustee.. . . . . . . . . . . . . . . . 26
Section 7.04  Trustee's Disclaimer.. . . . . . . . . . . . . . . . . . . . 27
Section 7.05  Notice of Defaults.. . . . . . . . . . . . . . . . . . . . . 27
Section 7.06  Reports by Trustee to Holders. . . . . . . . . . . . . . . . 27
Section 7.07  Compensation and Indemnity.. . . . . . . . . . . . . . . . . 27
Section 7.08  Replacement of Trustee.. . . . . . . . . . . . . . . . . . . 28
Section 7.09  Successor Trustee, Agents by Merger, etc.. . . . . . . . . . 30
Section 7.10  Eligibility; Disqualification. . . . . . . . . . . . . . . . 30
Section 7.11  Preferential Collection of Claims Against the Company. . . . 30

                                      ARTICLE 8
                                DISCHARGE OF INDENTURE

Section 8.01  Termination of the Company's Obligations.. . . . . . . . . . 30
Section 8.02  Application of Trust Money.. . . . . . . . . . . . . . . . . 31
Section 8.03  Repayment to the Company.. . . . . . . . . . . . . . . . . . 31
Section 8.04  Indemnity for Eligible Instruments.. . . . . . . . . . . . . 31

                                     ARTICLE 9
                               AMENDMENTS AND WAIVERS

Section 9.01  Without Consent of Holders.. . . . . . . . . . . . . . . . . 32
Section 9.02  With Consent of Holders. . . . . . . . . . . . . . . . . . . 32

                                         -ii-

<PAGE>

Section 9.03  Compliance with Trust Indenture Act. . . . . . . . . . . . . 33
Section 9.04  Revocation and Effect of Consents. . . . . . . . . . . . . . 33
Section 9.05  Notation On or Exchange of Securities. . . . . . . . . . . . 34
Section 9.06  Trustee Protected. . . . . . . . . . . . . . . . . . . . . . 34

                                     ARTICLE 10
                                   SINKING FUNDS

Section 10.01  Applicability of Article. . . . . . . . . . . . . . . . . . 34
Section 10.02  Satisfaction of Sinking Fund Payments with Securities.. . . 34
Section 10.03  Redemption of Securities for Sinking Fund.. . . . . . . . . 35

                                     ARTICLE 11
                                   MISCELLANEOUS

Section 11.01  Trust Indenture Act Controls. . . . . . . . . . . . . . . . 35
Section 11.02  Notices.. . . . . . . . . . . . . . . . . . . . . . . . . . 35
Section 11.03  Communication By Holders with Other Holders.. . . . . . . . 36
Section 11.04  Certificate and Opinion as to Conditions Precedent. . . . . 36
Section 11.05  Statements Required in Certificate or Opinion.. . . . . . . 37
Section 11.06  Rules by Trustee and Agents.. . . . . . . . . . . . . . . . 37
Section 11.07  Legal Holidays. . . . . . . . . . . . . . . . . . . . . . . 37
Section 11.08  Governing Law.. . . . . . . . . . . . . . . . . . . . . . . 37
Section 11.09  No Adverse Interpretation of Other Agreements.. . . . . . . 38
Section 11.10  No Recourse Against Others. . . . . . . . . . . . . . . . . 38
Section 11.11  Execution in Counterparts.. . . . . . . . . . . . . . . . . 38
Section 11.12  Currencies. . . . . . . . . . . . . . . . . . . . . . . . . 38

                                     ARTICLE 12
                         REPAYMENT AT THE OPTION OF HOLDERS

Section 12.01  Applicability of Article. . . . . . . . . . . . . . . . . . 38
</TABLE>

-----------------
*This Table of Contents does not constitute part of the Indenture.

                                        -iii-

<PAGE>

              INDENTURE dated as of October 1, 2000 between USA EDUCATION, INC.,
a Delaware corporation (the "COMPANY"), and THE CHASE MANHATTAN BANK, not in its
individual capacity, but solely as trustee (the "TRUSTEE").

                                      RECITALS

              The Company has duly authorized the execution and delivery of this
Indenture to provide for the issuance from time to time of its debentures, notes
or other evidences of indebtedness ("SECURITIES").

              All things necessary to make this Indenture a valid agreement of
the Company, in accordance with its terms, have been done.

              In consideration of the premises and the purchase of the
Securities by the holders of the Securities, it is mutually covenanted and
agreed as follows for the equal and ratable benefit of the holders of the
Securities:

                                     ARTICLE 1

                     DEFINITIONS AND INCORPORATION BY REFERENCE

       Section 1.01  DEFINITIONS.

              "AFFILIATE" means any Person directly or indirectly controlling or
controlled by, or under direct or indirect common control with, the Company.

              "AGENT" means any Paying Agent, Registrar or transfer agent as may
be appointed by the Company from time to time.

              "AUTHORIZED NEWSPAPER" means a newspaper of general circulation,
in the official language of the country of publication or in the English
language, customarily published on each business day.  Whenever successive
weekly publications in an Authorized Newspaper are required hereunder, they may
be made (unless otherwise expressly provided) on the same or different days of
the week and in the same or different Authorized Newspapers.

              "BANKRUPTCY LAW" means Title 11, U.S. Code, or any similar federal
or state law for the relief of debtors.

              "BOARD OF DIRECTORS" mean the Board of Directors of the Company or
any duly authorized committee thereof.

              "BOARD RESOLUTION" means a copy of a resolution of the Board of
Directors, certified by the Secretary or an Assistant Secretary of the Company
to have been adopted by the Board of Directors and to be in full force and
effect on the date of the certificate.

              "COMPANY" means the party named as such in this Indenture until a
successor replaces it, and thereafter means the successor.

<PAGE>

              "COMPANY ORDER" means an order signed by two Officers of the
Company.

              "CUSTODIAN" means any receiver, trustee, assignee, liquidator, or
similar official under any Bankruptcy Law.

              "DEFAULT" means any event which is, or after notice or passage of
time would be, an Event of Default.

              "DEPOSITARY" means, with respect to Securities of any Series for
which the Company shall determine that such Securities will be issued as a
Global Security, The Depository Trust Company, New York, New York, another
clearing agency or any successor registered as a clearing agency under the
Exchange Act, or other applicable statute or regulation, which, in each case,
shall be designated by the Company pursuant to either Section 2.02 or 2.15.

              "ELIGIBLE INSTRUMENTS" is defined in Section 8.01.

              "EVENT OF DEFAULT" is defined in Section 6.01.

              "EXCHANGE ACT" means the Securities Exchange Act of 1934, as
amended.

              "GLOBAL SECURITY" means, with respect to any Series of Securities,
a Security executed by the Company and delivered by the Trustee to the
Depositary or pursuant to the Depositary's instruction, all in accordance with
the Indenture, which shall be registered in the name of the Depositary or its
nominee.

              "HOLDER" or "SECURITYHOLDER" means a bearer of an Unregistered
Security or of a coupon appertaining thereto or a Person in whose name a
Registered Security is registered on the Registrar's books.

              "INDENTURE" means this instrument as amended or supplemented from
time to time and shall include any such supplemental indenture, the forms and
terms of particular Series of Securities established as contemplated hereunder
and the provisions of the TIA that are deemed to be a part of and govern this
instrument and any such supplemental indenture.

              "INTEREST" when used with respect to an Original Issue Discount
Security which by its terms bears interest only after maturity, means interest
payable after maturity.

              "LEGAL HOLIDAY" is defined in Section 11.07.

              "OFFICER" means the President, any Executive Vice-President, Vice
President, the Treasurer, any Assistant Treasurer, the Secretary, any Assistant
Secretary or the Comptroller or any Assistant Comptroller of the Company.

              "OFFICERS' CERTIFICATE" means a certificate signed by two Officers
of the Company.

                                         -2-
<PAGE>

              "OPINION OF COUNSEL" means a written opinion of legal counsel who
is acceptable to the Company and the Trustee.  The counsel may be an employee of
or counsel to the Company or the Trustee.

              "ORIGINAL ISSUE DISCOUNT SECURITY" means any Security which
provides for an amount less than the stated Principal amount thereof to be due
and payable upon declaration of acceleration of the maturity thereof pursuant to
Section 6.02.

              "PAYING AGENT" is defined in Section 2.04.

              "PERSON" means any individual, corporation, partnership, joint
venture, limited liability company, association, trust, other entity,
unincorporated organization or government or any agency or political subdivision
thereof.

              "PRINCIPAL" of a Security means the principal amount of the
Security plus, when appropriate, the premium, if any, on the Security.

              "REGISTERED SECURITY" means any Security issued hereunder and
registered as to Principal and interest by the Registrar.

              "REGISTRAR" is defined in Section 2.04.

              "RESPONSIBLE OFFICER" when used with respect to the Trustee, means
the chairman or any vice-chairman of the board of directors or trustees, the
chairman or any vice-chairman of the executive committee of the board of
directors or trustees, the president, any executive vice-president, any senior
vice-president, any vice-president, any assistant vice-president, the treasurer,
the secretary, any trust officer, any second or assistant vice-president, or any
other officer or assistant officer of the Trustee customarily performing
functions similar to those performed by the persons who at the time shall be
such officers, respectively, or to whom any corporate trust matter is referred
because of his knowledge of and familiarity with a particular subject.

              "SEC" means the Securities and Exchange Commission.

              "SERIES" or "SERIES OF SECURITIES" means a series of Securities.

              "SECURITIES" means the debentures, notes or other obligations of
the Company issued, authenticated and delivered under this Indenture.

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

              "TIA" means the Trust Indenture Act of 1939 (15 U.S.C. Sections
77aaa-77bbbb) as in effect on the date of this Indenture, except as provided in
Section 9.03.

                                         -3-
<PAGE>

              "TRUSTEE" means the Person named as such in this Indenture until a
successor replaces it and, thereafter, means the successor and if, at any time,
there is more than one Trustee, "Trustee" as used with respect to the Securities
of any Series shall mean the Trustee with respect to that Series.

              "U.S. PERSON" means a citizen, national or resident of the United
States, a corporation, partnership or other entity created or organized in or
under the laws of the United States or any political subdivision thereof, or an
estate or trust which is subject to United States federal income taxation
regardless of its source of income.

              "UNREGISTERED SECURITY" means any Security issued hereunder which
is not a Registered Security.

              "YIELD TO MATURITY" means the yield to maturity, calculated by the
Company at the time of issuance of a Series of Securities or, if applicable, at
the most recent determination of interest on such Series in accordance with
accepted financial practice.

       Section 1.02  INCORPORATION BY REFERENCE OF TRUST INDENTURE ACT.

              Whenever this Indenture refers to a provision of the TIA, the
provision is incorporated by reference in and made a part of this Indenture.
The following TIA terms used in this Indenture have the following meanings:

              "Commission" means the SEC.

              "indenture securities" means the Securities.

              "indenture security holder" means a Holder or a Securityholder.

              "indenture to be qualified" means this Indenture.

              "indenture trustee" or "institutional trustee" means the Trustee.

              "obligor" on the indenture securities means the Company.

              All other terms used in this Indenture that are defined by the
TIA, defined by TIA reference to another statute or defined by SEC rule under
the TIA have the meanings assigned to them therein.

       Section 1.03  RULES OF CONSTRUCTION.

              Unless the context otherwise requires:

              (1)    a term has the meaning assigned to it;

              (2)    an accounting term not otherwise defined has the meaning
                     assigned to it in accordance with generally accepted
                     accounting principles;

              (3)    "or" is not exclusive; and

                                         -4-
<PAGE>

              (4)    words in the singular include the plural, and words in the
                     plural include the singular.

                                     ARTICLE 2

                                   THE SECURITIES

       Section 2.01  ISSUABLE IN SERIES.

              The aggregate Principal amount of Securities which may be
authenticated and delivered under this Indenture is unlimited.  The Securities
may be issued in one or more Series.  There may be Registered Securities and
Unregistered Securities within a Series and the Unregistered Securities may be
subject to such restrictions, and contain such legends, as may be required by
United States laws and regulations.  All Series of Securities shall be equally
and ratably entitled to the benefits of this Indenture.

       Section 2.02  ESTABLISHMENT OF TERMS AND FORM OF SERIES OF SECURITIES.

              (a)    At or prior to the issuance of any Series of Securities,
the following shall be established by a Company Board Resolution, by one or more
Officers of the Company pursuant to a Company Board Resolution or by an
indenture supplemental to this Indenture:

                     (1)    the title of the Securities of the Series (which
       title shall distinguish the Securities of the Series from the Securities
       of any other Series and from any other securities issued by the Company);

                     (2)    any limit upon the aggregate Principal amount of the
       Securities of the Series which may be authenticated and delivered under
       this Indenture (which limit shall not pertain to Securities authenticated
       and delivered upon registration of transfer of, or in exchange for, or in
       lieu of, other Securities of the Series pursuant to Section 2.08, 2.09,
       2.12, 3.06 or 9.05);

                     (3)    the date or dates on which the Principal of the
       Securities of the Series is payable;

                     (4)    the rate or rates at which the Securities of the
       Series shall bear interest, if any, or the manner of determining such
       rate or rates of interest, the date or dates from which such interest
       shall accrue, the dates on which such interest shall be payable, and,
       with respect to Registered Securities, the record date for the interest
       payable on any interest payment date, and the basis upon which interest
       shall be calculated if other than on the basis of a 360-day year of
       twelve 30-day months;

                     (5)    the place or places where; the Principal of and
       interest on Registered and Unregistered, if any, Securities of the Series
       shall be payable;

                     (6)    the period or periods within which, the price or
       prices at which, and the terms and conditions upon which, Securities of
       the Series may be redeemed, in whole or in part, at the option of the
       Company;

                                         -5-
<PAGE>

                     (7)    the obligation, if any, of the Company to redeem or
       purchase Securities of the Series pursuant to any sinking fund or
       analogous provisions or upon the happening of a specified event or at the
       option of a Holder thereof and the period or periods within which, the
       price or prices at which, and the terms and conditions upon which,
       Securities of the Series shall be redeemed or purchased, in whole or in
       part, pursuant to such obligation;

                     (8)    if in other than denominations of $1,000 and any
       integral multiple thereof, the denominations in which Securities of the
       Series shall be issuable;

                     (9)    if other than the Principal amount thereof, the
       portion of the Principal amount of Securities of the Series which shall
       be payable upon declaration of acceleration of the maturity thereof
       pursuant to Section 6.02;

                     (10)   whether Securities of the Series shall be issuable
       as Registered Securities or Unregistered Securities (with or without
       interest coupons), or both, and any restrictions applicable to the
       offering, sale or delivery of Unregistered Securities and whether, and
       the terms upon which, Unregistered Securities of a Series may be
       exchanged for Registered Securities of the same Series and vice versa;

                     (11)   whether and under what terms and circumstances the
       Company will pay additional amounts on the Securities of that Series held
       by a Person who is not a U.S. Person in respect of taxes or similar
       charges withheld or deducted and, if so, whether the Company will have
       the option to redeem such Securities rather than pay such additional
       amounts;

                     (12)   the form or forms of the Securities (or forms
       thereof if Unregistered and Registered Securities shall be issuable in
       such Series), including such legends as may be required by United States
       laws or regulations, the form of any coupons or temporary Global Security
       which may be issued and the forms of any certificates, opinions or other
       documents which may be required hereunder or under United States laws or
       regulations in connection with the offering, sale, delivery or exchange
       of Unregistered Securities;

                     (13)   whether the Securities of the Series are issuable as
       a Global Security and, in such case, the identity of the Depositary for
       such Series;

                     (14)   if other than such coin or currency of the United
       States of America as at the time of payment is legal tender for payment
       of public or private debts, the coin or currency, including composite
       currency, in which payment of the Principal of or interest on the
       Securities of the Series shall be payable;

                     (15)   if the Principal of or interest on the Securities of
       the Series are to be payable, at the election of the Company or a Holder
       thereof, in a coin or currency other than that in which the Securities
       are stated to be payable, the coin or currency, including composite
       currency, in which payment of the Principal of or interest on the
       Securities of such Series as to which such election is made shall be
       payable, the period or

                                         -6-
<PAGE>

       periods within which, and the terms and conditions upon which, such
       election may be made;

                     (16)   if the amount of payments of the Principal of or
       interest on the Securities of the Series may be determined with reference
       to an index based on any coin or currency other than that in which the
       Securities are stated to be payable, the manner in which such amounts
       shall be determined; and

                     (17)   any other terms of the Series (which terms shall not
       be inconsistent with the provisions of this Indenture), including any
       terms which may be required by or advisable under United States laws or
       regulations or advisable in connection with the marketing of Securities
       of that Series.

              (b)    All Securities of any one Series shall be substantially
identical except as to denomination and the rate or rates of interest, if any,
and maturity and currency and, except as may otherwise be provided in or
pursuant to a Company Board Resolution or a certificate delivered pursuant to
Section 2.02(c) or in an indenture supplemental to this Indenture.  All
Securities of any one Series need not be issued at the same time, and, unless
otherwise provided, a Series may be reopened for issuances of additional
Securities of such Series.

              (c)    If the terms and form or forms of any Series of Securities
are established by or pursuant to a Company Board Resolution, the Company shall
deliver a copy of such Board Resolution to the Trustee at or prior to the
issuance of such Series with (i) the form or forms of the Securities which have
been approved attached thereto; or (ii) if such Board Resolution authorizes a
specific Officer or Officers to establish the terms and form or forms of the
Securities, a certificate of such Officer or Officers establishing or providing
for the establishment of the terms and form or forms of the Securities, with
such form or forms of the Securities attached to the certificate establishing
such form or forms.

              (d)    Unregistered Securities and their coupons must have the
following statement on their face:  "Any United States Person who holds this
obligation will be subject to limitations under the United States income tax
laws, including the limitations provided in Section 165(j) and 1287 of the
Internal Revenue Code of 1986, as amended."

       Section 2.03  EXECUTION, AUTHENTICATION, AND DELIVERY.

              (a)    The Securities shall be executed on behalf of the Company
by its President, an Executive Vice President or a Vice President, and by its
Treasurer, an Assistant Treasurer, its Secretary or an Assistant Secretary (or,
in any case, a duly authorized designee).  Signatures shall be manual or
facsimile.  The Company's seal may be reproduced on the Securities and may, but
need not, be attested.  The coupons of Unregistered Securities shall bear the
facsimile signature of the Treasurer or an Assistant Treasurer of the Company.

              (b)    If an Officer whose signature is on a Security or coupon no
longer holds that office at the time the Security is authenticated, the Security
or coupon shall be valid nevertheless.

                                         -7-
<PAGE>

              (c)    A Security shall not be valid until authenticated by the
manual signature of the Trustee or an authenticating agent, and no coupon shall
be valid until the Security to which it appertains has been so authenticated.
Such signature shall be conclusive evidence that the Security has been
authenticated under this Indenture.  Each Unregistered Security shall be dated
the date of its authentication.

              (d)    The Trustee (or an authenticating agent appointed pursuant
to Section 2.03(f)) shall at any time, and from time to time, authenticate and
deliver Securities of any Series executed and delivered by the Company for
original issue in an unlimited aggregate Principal amount, upon receipt by the
Trustee (or an authentication agent) of (i) a Company Order or directions
pursuant to such a Company Order for the authentication and delivery of such
Securities; (ii) if the terms and form or forms of the Securities of such Series
have been established by or pursuant to a Board Resolution as permitted pursuant
to Section 2.02, a copy of such Board Resolution and any certificate that may be
required pursuant to Section 2.02(c); and (iii) an Opinion of Counsel stating:

                     (1)    if the form of such Securities has been established
       by or pursuant to a Board Resolution as permitted by Section 2.02, that
       such form has been established in conformity with the provisions of this
       Indenture;

                     (2)    if the terms of such Securities have been
       established by or pursuant to a Board Resolution as permitted by Section
       2.02, that such terms have been established, or provision has been made
       for their establishment, in conformity with the provisions of this
       Indenture; and

                     (3)    that such Securities, when authenticated and
       delivered by the Trustee (or an authenticating agent) and issued by the
       Company in the manner and subject to any conditions specified in such
       Opinion of Counsel, will constitute valid and legally binding obligations
       of the Company, enforceable in accordance with their terms, subject to
       bankruptcy, insolvency, reorganization and other laws of general
       applicability relating to or affecting the enforcement of creditors'
       rights and to general equity principles.

              If the terms and form or forms of such Securities have been
established by or pursuant to a Board Resolution as permitted by Section 2.02,
the Trustee shall not be required to authenticate such Securities if the issue
of such Securities pursuant to this Indenture will materially and adversely
affect the Trustee's own rights, duties or immunities under the Securities and
this Indenture or otherwise in a manner which is not reasonably acceptable to
the Trustee.

              Notwithstanding the foregoing, until the Company has notified the
Trustee and the Registrar that, as a result of the action described, the Company
would not suffer adverse consequences under the provisions of United States law
or regulations in effect at the time of the delivery of Unregistered Securities,
(i) delivery of Unregistered Securities will be made only outside the United
States and its possessions, and (ii) Unregistered Securities will be released in
definitive form to the Person entitled to physical delivery thereof only upon
presentation of a certificate in the form prescribed by the Company.

                                         -8-
<PAGE>

              (e)    The aggregate Principal amount of Securities of any Series
outstanding at any time may not exceed any limit upon the maximum Principal
amount for such Series set forth in the Board Resolution (or certificate of an
Officer or Officers) or supplemental indenture pursuant to Section 2.02 or in
any additional Board Resolution or supplemental indenture which shall reopen a
Series of Securities pursuant to Section 2.02.

              (f)    The Trustee may appoint an authenticating agent acceptable
to the Company to authenticate Securities.  An authenticating agent may
authenticate Securities whenever the Trustee may do so.  Each reference in this
Indenture to authentication by the Trustee includes authentication by such
agent.  An authenticating agent has the same rights as an Agent to deal with the
Company or an Affiliate.

       Section 2.04  REGISTRAR AND PAYING AGENT.

              The Company shall maintain for each Series of Securities an office
or agency where Registered Securities may be presented for registration of
transfer or for exchange ("REGISTRAR") and an office or agency where (subject to
Sections 2.05 and 2.08) Securities may be presented for payment ("PAYING
AGENT").  With respect to any Series of Securities issued in whole or in part as
Unregistered Securities, the Company shall maintain one or more Paying Agents
located outside the United States and its possessions and shall maintain such
Paying Agents for a period of two years after the Principal of such Unregistered
Securities has become due and payable.  During any period thereafter for which
it is necessary in order to conform to United States tax law or regulations, the
Company will maintain a Paying Agent outside the United States and its
possessions to which the Unregistered Securities or coupons appertaining thereto
may be presented for payment and will provide the necessary funds therefor to
such Paying Agent upon reasonable notice.  The Registrar shall keep a register
with respect to each Series of Securities issued in whole or in part as
Registered Securities and as to their transfer and exchange.  The Company may
appoint one or more co-Registrars and one or more additional Paying Agents for
each Series of Securities and the Company may terminate the appointment of any
co-Registrar. The term "Paying Agent" includes any Person authorized by the
Company to pay the principal of or interest on any Security on behalf of the
Company and any additional Paying Agent.  The Company shall notify the Trustee
of the name and address of any Agent not a party to this Indenture.  If the
Company fails to appoint any other Registrar or Paying Agent, the Trustee shall
be and act as such.

       Section 2.05  PAYMENT ON SECURITIES

              (a)    Subject to the following provisions, the Company will pay
to the Trustee or the Paying Agent, by wire transfer of immediately available
funds to the account or accounts designated by the Company, the amounts, in such
coin or currency as is at the time legal tender for the payment of public or
private debt, at the times and for the purposes set forth herein and in the text
of the Securities Series, of the Principal of and interest on the Securities and
coupons of each Series, at least one business day prior to the relevant interest
payment date on the Securities and coupons of each Series as set forth herein
and in the text of such Securities and coupons.  The Trustee will arrange
directly with any Paying Agent for the payment, or the Trustee will make
payment, from funds furnished by the Company, of the Principal of and interest
on the Securities and coupons of each Series.

                                         -9-
<PAGE>

              (b)    Interest, if any, on Registered Securities of a Series
shall be paid on each interest payment date for such Series to the Holder
thereof at the close of business on the relevant record dates specified in the
Securities of such Series.  Payment of the principal of and interest on the
Securities shall be made at the office or agency of the Trustee maintained for
that purpose in the Borough of Manhattan, The City of New York, in such coin or
currency of the United States of America as at the time of payment is legal
tender for the payment of public and private debt or by check mailed to the
address of the Holder entitled thereto as such address shall appear in the
register for the Securities, PROVIDED that in case Securities are represented by
a Global Security, each payment shall be made by wire transfer of immediately
available funds, if the Holder has provided to the Trustee appropriate
instructions for such payment.

              (c)    To the extent provided in the Securities of a Series,
(i) interest, if any, on Unregistered Securities shall be paid only against
presentation and surrender of the coupons for such interest installments as are
evidenced thereby as they mature; and (ii) original issue discount (as defined
in Section 1273 of the Internal Revenue Code of 1986, as amended), if any, on
Unregistered Securities shall be paid only against presentation and surrender of
such Securities; in either case at the office of a Paying Agent located outside
of the United States and its possessions, unless the Company shall have
otherwise instructed the Trustee in writing.  Principal of Unregistered
Securities shall be paid only against presentation and surrender thereof as
provided in the Securities of a Series.  If at the time a payment of Principal
of or interest, if any, or original issue discount, if any, on an Unregistered
Security or coupon shall become due, the payment of the full amount so payable
at the office or offices of all the Paying Agents outside the United States and
its possessions is illegal or effectively precluded because of the imposition of
exchange controls or other similar restrictions on the payment of such amount in
United States currency, then the Company will instruct the Trustee in writing as
to how and when such payment will be made and may instruct the Trustee to make
such payments at the office of a Paying Agent located in the United States,
provided that the Company has determined that provision for such payment in the
United States would not cause such Unregistered Security to be treated as a
"registration-required obligation" under United States law and regulations.
Unless otherwise instructed in writing by the Company, no payments of interest,
original issue discounts, or Principal with respect to Unregistered Securities
shall be made by a Paying Agent (i) by transfer of funds into an account
maintained by the payee in the United States, (ii) mailed to an address in the
United States, or (iii) paid to a financial institution with a United States
address by electronic funds transfer.

       Section 2.06  PAYING AGENT TO HOLD MONEY IN TRUST.

              The Company shall require each Paying Agent, other than the
Trustee, to agree in writing that the Paying Agent will hold in trust, for the
benefit of Securityholders of any or all Series of Securities, or the Trustee,
all money held by the Paying Agent for the payment of Principal of or interest
on such Series of Securities, and that the Paying Agent will notify the Trustee
of any default by the Company (or any other obligor on the Securities) in making
any such payment.  While any such default continues, the Trustee may require a
Paying Agent to pay all money held by it to the Trustee.  If the Company or a
Subsidiary acts as Paying Agent, it shall segregate the money held by it for the
payment of Principal or interest on any Series of Securities and hold such money
as a separate trust fund.  The Company at any time may require a Paying Agent to
pay all money held by it to the Trustee.  Upon so doing, the Paying Agent shall
have no

                                         -10-
<PAGE>

further liability for the money so paid.  The Trustee or the Paying Agent may
allow and credit to the Company (or any other obligor on the Securities)
interest on any monies received by it hereunder at such rate as may be agreed
upon with the Company (or any other obligor on the Securities) from time to time
and as may be permitted by law.

       Section 2.07  SECURITYHOLDER LISTS; OWNERSHIP OF SECURITIES.

              (a)    The Trustee shall preserve in as current a form as is
reasonably practicable the most recent list available to it of the names and
addresses of Holders of each Series of Securities.  If the Trustee is not the
Registrar, the Company shall furnish to the Trustee semiannually on or before
the last day of June and December in each year, and at such other times as the
Trustee may request in writing, a list in such form and as of such date as the
Trustee may reasonably require, containing all the information in the possession
or control of the Registrar, the Company or any of the Paying Agents other than
the Trustee as to the names and addresses of Holders of each such Series of
Securities.

              (b)    Ownership of Registered Security of a Series shall be
proved by the register for such Series kept by the Registrar.  Ownership of
Unregistered Securities may be proved by the production of such Unregistered
Securities, or by a certificate or affidavit executed by the Person holding such
Unregistered Securities, or by a depository with whom such Unregistered
Securities were deposited if the certificate or affidavit is satisfactory to the
Trustee.  The Company, the Trustee and any agent of the Company may treat the
bearer or any Unregistered Security or coupon and the Person in whose name a
Registered Security is registered as the absolute owner thereof for all
purposes.

       Section 2.08  TRANSFER AND EXCHANGE.

              (a)    Where Registered Securities of a Series are presented to
the Registrar with a request to register their transfer or to exchange them for
an equal Principal amount of Registered Securities of the same Series containing
identical terms and provisions and date of maturity of other authorized
denominations, the Registrar shall register the transfer or make the exchange if
its requirements for such transactions are met.

              (b)    If both Registered and Unregistered Securities are
authorized for a Series of Securities and the terms of such Securities permit,
(i) Unregistered Securities may be exchanged for an equal Principal amount of
Registered or Unregistered Securities containing identical terms and provisions
of the same Series and date of maturity in any authorized denominations upon
delivery to the Registrar (or a Paying Agent, if the exchange is for
Unregistered Securities) of the Unregistered Security with all unmatured coupons
and all matured coupons in default appertaining thereto and if all other
requirements of the Registrar (or such Paying Agent) and such Securities for
such exchange are met, and (ii) Registered Securities may be exchanged for an
equal Principal amount of Unregistered Securities of the same Series and date of
maturity in any authorized denominations (except that any coupons appertaining
to such Unregistered Securities which have matured and have been paid shall be
detached) upon delivery to the Registrar of the Registered Securities and if all
other requirements of the Registrar (or such Paying Agent) and such Securities
for such exchange are met.

                                         -11-
<PAGE>

              Notwithstanding the foregoing, the exchange of Unregistered
Securities for Registered Securities or Registered Securities for Unregistered
Securities will be subject to the satisfaction of the provisions of United
States law and regulations in effect at the time of such exchange, and no
exchange of Registered Securities for Unregistered Securities will be made until
the Company has notified the Trustee and the Registrar that, as a result of such
exchange, the Company would not suffer adverse consequences under the provisions
of United States law or regulations.

              (c)    To permit registrations of transfers and exchanges the
Trustee (or an authenticating agent) shall authenticate Securities upon
instructions of the Registrar or, if applicable, a Paying Agent upon surrender
of Securities for registration of transfer or for exchange as provided in this
Section.  The Company will not make any charge for any registration of transfer
or exchange but may require the payment by the party requesting such
registration of transfer or exchange of a sum sufficient to cover any tax or
other governmental charge payable in connection therewith.

              (d)    Neither the Company nor the Registrar shall be required
(i) to issue, register the transfer of or exchange Securities of any Series for
the period of 15 days immediately preceding the selection of any such Securities
to be redeemed, or (ii) to register the transfer of or exchange Securities of
any Series selected, called or being called for redemption as a whole, or the
portion being redeemed of any such Securities selected, called or being called
for redemption in part.

              (e)    Unregistered Securities or any coupons appertaining thereto
shall be transferable by delivery.

       Section 2.09  REPLACEMENT SECURITIES.

              (a)    If a mutilated Security or a Security with a mutilated
coupon appertaining to it is surrendered to the Trustee (or an authenticating
agent), the Company shall issue and the Trustee (or an authenticating agent)
shall authenticate a replacement Registered Security, if such surrendered
security was a Registered Security, or a replacement Unregistered Security with
coupons corresponding to the coupons appertaining to the surrendered Security,
if such surrendered Security was an Unregistered Security of the same Series and
containing identical terms and provisions, if the Trustee's (or authenticating
agent's) requirements are met.

              (b)    If the Holder of a Security claims that the Security or any
coupon appertaining thereto has been lost, destroyed or wrongfully taken, the
Company shall issue and the Trustee (or an authenticating agent) shall
authenticate a replacement Registered Security, if such Holder's claim pertains
to a Registered Security, or a replacement Unregistered Security with coupons
corresponding to the coupons appertaining to the lost, destroyed or wrongfully
taken Unregistered Security or the Unregistered Security to which such lost,
destroyed or wrongfully taken coupon appertains, if such Holder's claim pertains
to an Unregistered Security, of the same Series and containing identical terms
and provisions, if the Trustee's requirements are met; provided, however, that
the Trustee (or an authenticating agent) or the Company may require any such
Holder to provide to the Trustee and the Company security or indemnity
sufficient in the judgment of the Company and the Trustee (or an authenticating
agent) to protect

                                         -12-
<PAGE>

the Company, the Trustee (or an authenticating agent) and any Agent from any
loss which any of them may suffer if a Security is replaced.  The Company and
the Trustee (or an authenticating agent) may charge the party requesting a
replacement Security for its expenses in replacing a Security.

              (c)    Every replacement Security is an additional obligation of
the Company.

              (d)    Notwithstanding anything to the contrary contained herein,
replacement Securities need not be issued in any of the circumstances described
in Section 2.09 if the Company or the Trustee (or an authenticating agent) have
notice that the mutilated, lost, destroyed or wrongfully taken Security has been
acquired by a bona fide purchaser.

       Section 2.10  OUTSTANDING SECURITIES.

              (a)    Securities outstanding at any time are all Securities
authenticated by the Trustee (or an authenticating agent), except for those
canceled by it, those delivered to it for cancellation and those described in
this Section as not outstanding.

              (b)    If a Security is replaced pursuant to Section 2.09, it
ceases to be outstanding until the Trustee (or an authenticating agent) receives
proof satisfactory to it that the replaced Security is held by a bona fide
purchaser.

              (c)    If the Paying Agent holds on a redemption date or maturity
date money or Eligible Instruments sufficient to pay all amounts due on
Securities of any Series on that date, then, on and after that date, all
Securities of such Series cease to be outstanding and interest on them ceases to
accrue.

              (d)    A Security does not cease to be outstanding because the
Company or an Affiliate of the Company holds the Security.

              (e)    In determining whether the Holders of the requisite
Principal amount of outstanding Securities of any Series have given any request,
demand, authorization, direction, notice, consent or waiver hereunder, or
whether sufficient funds are available for redemption or for any other purpose,
(i) the Principal amount of an Original Issue Discount Security that shall be
deemed to be outstanding for such purpose shall be the amount of the Principal
thereof that would be due and payable as of the date of such determination upon
a declaration of acceleration of the maturity thereof pursuant to Section 6.02;
and (ii) the Principal amount of any security denominated in a currency other
than United States dollars that shall be deemed to be outstanding for such
purposes shall be that amount of United States dollars that could be obtained
for such amount on such reasonable basis of exchange and as of the record date
for such determination or action (or, if there shall be no applicable record
date, such other date reasonably proximate to the date of such determination or
action), in each case, as the Company shall specify in a written notice to the
Trustee.

       Section 2.11  TREASURY SECURITIES.

              In determining whether the Holders of the requisite Principal
amount of Securities of any Series have concurred in any direction, waiver or
consent, Securities of such Series owned

                                         -13-
<PAGE>

by the Company or an Affiliate of the Company shall be disregarded, except that
for the purposes of determining whether the Trustee shall be protected in
relying on any such direction, waiver or consent, only Securities of such Series
which the Trustee knows are so owned shall be so disregarded.

       Section 2.12  TEMPORARY SECURITIES.

              (a)    Until definitive Registered Securities of any Series are
ready for delivery, the Company may prepare and execute and the Trustee shall
authenticate temporary Registered Securities of such Series.  Temporary
Registered Securities of any Series shall be substantially in the form of
definitive Registered Securities of such Series but may have variations that the
Company considers appropriate for temporary Securities.  Every temporary
Registered Security shall be executed by the Company, authenticated by the
Trustee and registered by the Registrar, upon the same conditions, and with like
effect, as a definitive Registered Security.  Without unreasonable delay, the
Company shall prepare and the Trustee shall authenticate definitive Registered
Securities of the same Series and containing identical terms and provisions in
exchange for temporary Registered Securities.

              (b)    Until definitive Unregistered Securities of any Series are
ready for delivery, the Company may prepare and execute and the Trustee shall
authenticate one or more temporary Unregistered Securities, which may have
coupons attached or which may be in the form of a single temporary global
Unregistered Security of that Series.  The temporary Unregistered Security or
Securities of any Series shall be substantially in the form approved by or
pursuant to a Board Resolution and shall be delivered to one of the Paying
Agents located outside the United States and its possessions or to such other
Person or Persons as the Company shall direct against such certification as the
Company may from time to time prescribe by or pursuant to a Board Resolution.
The temporary Unregistered Security or Securities of a Series shall be executed
by the Company and authenticated by the Trustee, upon the same conditions, and
with like effect, as a definitive Unregistered Security of such Series, except
as provided herein or therein.  A temporary Unregistered Security or Securities
shall be exchangeable for definitive Unregistered Securities containing
identical terms and provisions at the time and on the conditions, if any,
specified in the temporary Security.

              Upon any exchange of a part of a temporary Unregistered Security
of a Series for definitive Unregistered Securities of such Series, the temporary
Unregistered Security shall be endorsed by the Trustee or Paying Agent to
reflect the reduction of its Principal amount by an amount equal to the
aggregate Principal amount of definitive Unregistered Securities of such Series
so exchanged and endorsed.

       Section 2.13  CANCELLATION.

              The Company at any time may deliver Securities and coupons to the
Trustee for cancellation.  The Registrar and the Paying Agent shall forward to
the Trustee any Securities and coupons surrendered to them for registration of
transfer or for exchange or for payment.  Except as otherwise required by this
Indenture, the Trustee shall cancel all Securities and coupons surrendered for
registration of transfer, or for exchange, payment or cancellation, and will
dispose of canceled Securities and coupons as the Company directs; provided,
however, that any

                                         -14-
<PAGE>

Unregistered Securities of a Series delivered to the Trustee for exchange prior
to maturity shall be retained by the Trustee for reissue as provided herein or
in the Securities of such Series.  The Company may not issue new Securities to
replace Securities that it has paid or delivered to the Trustee for
cancellation.

       Section 2.14  DEFAULTED INTEREST.

              If the Company defaults on a payment of interest on a Series of
Securities, it shall pay the defaulted interest as provided in such Securities
or in any lawful manner not inconsistent with the requirements of any securities
exchange on which such Securities may be listed.

       Section 2.15  GLOBAL SECURITIES.

              (a)    If the Company shall establish pursuant to Section 2.01
that the Securities of a particular Series are to be issued as a Global
Security, then the Company shall execute and the Trustee shall, in accordance
with Section 2.03, authenticate and deliver, one or more Global Securities that
(i) shall represent, and shall be denominated in an amount equal to the
aggregate Principal amount of, all of the outstanding Securities of such Series,
(ii) shall be registered in the name of the Depositary or its nominee, (iii)
shall be delivered by the Trustee to the Depositary or pursuant to the
Depositary's instruction and (iv) shall bear a legend substantially to the
following effect:  "Except as otherwise provided in Section 2.15 of the
Indenture, this Security may be transferred, in whole but not in part, only to
another nominee of the Depositary or to a successor Depositary or to a nominee
of such successor Depositary."

              (b)    Notwithstanding the provisions of Section 2.08, the Global
Security of a Series may be transferred, in whole but not in part and in the
manner provided in Section 2.08, only to another nominee of the Depositary for
such Series, or to a successor Depositary for such Series selected or approved
by the Company or to a nominee of such successor Depositary.

              (c)    If at any time the Depositary for a Series of the
Securities notifies the Company that it is unwilling or unable to continue as
Depositary for such Series or if at any time the Depositary for such Series
shall no longer be registered or in good standing under the Exchange Act or
other applicable statute or regulation, and a successor Depositary for such
Series is not appointed by the Company within 90 days after the Company receives
such notice or becomes aware of such condition, as the case may be, this Section
2.15 shall no longer be applicable to the Securities of such Series and the
Company will execute, and, subject to Section 2.08, the Trustee will
authenticate and deliver the Securities of such Series, in authorized
denominations, and in an aggregate Principal amount equal to the Principal
amount of the Global Security of such Series in exchange for such Global
Security.  In addition, the Company may at any time determine that the
Securities of any Series shall no longer be represented by a Global Security and
that the provisions of this Section 2.15 shall no longer apply to the Securities
of such Series.  In such event the Company will execute and, subject to Section
2.08, the Trustee, upon receipt of an Officers' Certificate evidencing such
determination by the Company, will authenticate and deliver the Securities of
such Series, in authorized denominations, and in an aggregate Principal amount
equal to the Principal amount of the Global Security of such Series in exchange
for such Global Security.  Upon the exchange of the Global Security for such
Securities in authorized denominations, the Global Security shall be canceled by
the Trustee.

                                         -15-
<PAGE>

Such Securities issued in exchange for the Global Security pursuant to this
Section 2.15(c) shall be registered in such names and in such authorized
denominations as the Depositary, pursuant to instructions from its direct or
indirect participants or otherwise, shall instruct the Trustee.

                                     ARTICLE 3

                                     REDEMPTION

       Section 3.01  NOTICE TO THE TRUSTEE.

              The Company may, with respect to any Series of Securities, reserve
the right to redeem and pay the Series of Securities or any part thereof, or may
covenant to redeem and pay the Series of Securities or any part thereof, before
maturity at such time and on such terms as provided for in such Securities.  The
election of the Company to redeem any Securities shall be evidenced by a Company
Order.  In case of any redemption at the election of the Company of all or less
than all of the Securities of any Series with the same issue date, interest rate
and stated maturity, the Company shall, at least 60 days prior to the redemption
date fixed by the Company (unless a shorter notice shall be satisfactory to the
Trustee), notify the Trustee of such redemption date and of the Principal amount
and redemption price of Securities of such Series to be redeemed.

       Section 3.02  SELECTION OF SECURITIES TO BE REDEEMED.

              If less than all the Securities of any Series with the same issue
date, interest rate and stated maturity are to be redeemed, the particular
Securities to be redeemed shall be selected, not more than 60 days prior to the
redemption date, by the Trustee from the outstanding Securities of such Series
not previously called for redemption, by such method as the Trustee shall deem
fair and appropriate and which may provide for the selection for redemption of
portions of the Principal amount of Securities of such Series; provided,
however, that no such partial redemption shall reduce the portion of the
Principal amount of a Security of such Series not redeemed to less than the
minimum denomination for a Security of that Series established pursuant to
Section 2.02.  The Trustee shall promptly notify the Company in writing of the
Securities selected for redemption by it and, in the case of any Securities
selected for partial redemption, the amount thereof to be redeemed.

       Section 3.03  NOTICE OF REDEMPTION.

              (a)    At least 30 days but not more than 90 days before a
redemption date, unless a shorter period is specified in the Securities to be
redeemed, the Company and the Trustee shall mail a notice of redemption by
first-class mail to each Holder of Registered Securities that are to be
redeemed.

              (b)    If Unregistered Securities are to be redeemed, notice of
redemption shall be published in an Authorized Newspaper in each of The City of
New York, and London, once in each of four successive calendar weeks, the first
publication to be not less than 30 nor more than 90 days before the redemption
date.

                                         -16-

<PAGE>

              (c)    All notices shall identify the Series of Securities to be
redeemed and shall state:

                     (1)    the redemption date;

                     (2)    the redemption price;

                     (3)    if less than all the outstanding Securities of a
       Series are to be redeemed, the identification (and, in the case of
       partial redemption, the Principal amounts) of the particular Securities
       to be redeemed;

                     (4)    the name and address of the Paying Agent;

                     (5)    that Securities of the Series called for redemption
       and all unmatured coupons, if any, appertaining thereto must be
       surrendered to the Paying Agent to collect the redemption price; and

                     (6)    that interest on Securities of the Series called for
       redemption ceases to accrue on and after the redemption date.

              At the Company's request, the Trustee shall give the notice of
redemption in the Company's name and at its expense.

              If the Company gives the notice of redemption, the Company shall
promptly provide the Trustee with evidence satisfactory to the Trustee of its
compliance with the notice requirements of this section.

       Section 3.04  EFFECT OF NOTICE OF REDEMPTION.

              Once notice of redemption is mailed or published, Securities of a
Series called for redemption become due and payable on the redemption date and
from and after such date (unless the Company shall default in the payment of the
redemption price) such Securities shall cease to bear interest.  Upon surrender
to the Paying Agent of such Securities together with all unmatured coupons, if
any, appertaining thereto, such Securities shall be paid at the redemption price
plus accrued interest to the redemption date, but installments of interest due
on or prior to the redemption date will be payable, in the case of Unregistered
Securities, to the bearers of the coupons for such interest upon surrender
thereof, and, in the case of Registered Securities, to the Holders of such
Securities of record at the close of business on the relevant record dates.

       Section 3.05  DEPOSIT OF REDEMPTION PRICE.

              One business day prior to the redemption date, the Company shall
deposit with the Trustee or the Paying Agent for deposit into an account
established pursuant to a supplemental indenture money sufficient to pay the
redemption price of and (unless the redemption date shall be an interest payment
date) interest accrued to the redemption date on all Securities to be redeemed
on that date.

                                         -17-
<PAGE>

       Section 3.06  SECURITIES REDEEMED IN PART.

              Upon surrender of a Security that is redeemed in part, the Company
shall issue and the Trustee or the authenticating agent shall authenticate for
the Holder of that Security a new Security or Securities of the same Series, the
same form, and the same maturity in authorized denominations equal in aggregate
Principal amount to the unredeemed portion of the Security surrendered.

                                     ARTICLE 4

                                     COVENANTS

       Section 4.01  PAYMENT OF SECURITIES.

              (a)    The Company shall pay the Principal of and interest on the
Securities on the dates and in the manner provided herein and in the Securities.
An installment of Principal or interest shall be considered paid on the date it
is due if the Trustee or Paying Agent holds on that date money designated for
and sufficient to pay the installment.

              (b)    The Company shall pay interest on overdue Principal of a
Security of any Series at the rate of interest (or Yield to Maturity in the case
of Original Issue Discount Securities) borne by such Security of that Series; to
the extent lawful, it shall pay interest on overdue installments of interest at
the same rate.

       Section 4.02  REPORTS BY THE COMPANY; COMPLIANCE CERTIFICATE.

              The Company covenants:

              (a)    to deliver to the Trustee, within 20 days after the Company
has filed the same with the SEC, copies of the annual reports and of the
information, documents and other reports (or copies of such portions of any of
the foregoing as the SEC may from time to time by rules and regulations
prescribe) which the Company may be required to file with the SEC pursuant to
Section 13 or Section 15(d) of the Exchange Act, or, if the Company is not
required to file information, documents or reports pursuant to either of such
sections, to deliver to the Trustee and the SEC, in accordance with rules and
regulations prescribed from time to time by the SEC, such of the supplementary
and periodic information, documents and reports which may be required pursuant
to Section 13 of the Exchange Act, in respect of a security listed and
registered on a national securities exchange as may be prescribed from time to
time in such rules and regulations;

              (b)    to deliver to the Trustee and the SEC, in accordance with
the TIA or the rules and regulations prescribed from time to time by the SEC,
such additional information, documents and reports with respect to compliance by
it with the conditions and covenants provided for in this Indenture as may be
required from time to time by the TIA or such rules and regulations; and

              (c)    to transmit by mail to all Holders of Registered
Securities, as the names and addresses of such Holders appear on the register
for each Series of Securities, and to such

                                         -18-
<PAGE>

Holders of Unregistered Securities as have, within the two years preceding such
transmission, filed their names and addresses with the Trustee for that purpose,
within 30 days after the filing thereof with the Trustee, such summaries of any
information, documents and reports required to be delivered to the Trustee
pursuant to subsections (a) and (b) of this Section 4.02 as may be required by
rules and regulations prescribed from time to time by the SEC.

              (d)    to deliver to the Trustee, within 105 days after the end of
each fiscal year of the Company, a brief certificate, signed by the Company's
principal executive officer, principal financial officer or principal accounting
officer, as to such officer's knowledge of the Company's compliance with the
conditions and covenants contained in this Indenture (determined without regard
to any period of grace or requirement of notice provided herein).

              (e)    to deliver to the Trustee as soon as possible, and in any
event within 10 days after the Company becomes aware of the occurrence of any
Default or Event of Default, an Officers' Certificate specifying such Default or
Event of Default and what action the Company is taking or proposes to take with
respect thereto.

       Section 4.03  LIEN ON ASSETS.

              If at any time the Company mortgages, pledges or otherwise
subjects to any lien the whole or any part of the capital stock of the Student
Loan Marketing Association, except as provided in this Section 4.03, the Company
shall secure the outstanding Securities, and any other obligations of the
Company which may then be outstanding and entitled to the benefit of a covenant
similar in effect to this covenant, either on a priority basis or equally and
ratably with the indebtedness or obligations secured by such mortgage, pledge or
lien, for as long as any such indebtedness or obligation is so secured.  The
foregoing covenant does not apply in the event the Board of Directors
determines, in its sole discretion, that such mortgage, pledge or lien on the
capital stock of the Student Loan Marketing Association could not reasonably be
expected to detract or interfere in any material respect from the fair market
value of such capital stock or the control of such capital stock by the Company.
Notwithstanding the foregoing, nothing contained in this Indenture is intended
to prevent the Company from mortgaging, pledging or subjecting to any lien any
of the other properties or assets of the Company, or from selling or otherwise
disposing of any of the properties or assets of the Company, including the
capital stock of the Student Loan Marketing Association.

                                     ARTICLE 5

                               SUCCESSOR CORPORATION

       Section 5.01  WHEN THE COMPANY MAY MERGE, ETC.

              The Company may consolidate with, or merge into or be merged into,
any other Person, and may sell, transfer or lease all or substantially all of
its properties and assets to any Person so long as the following conditions are
satisfied:

              (a)    the resulting or acquiring Person, if not the Company, is
organized and existing under the laws of the United States, any State thereof or
the District of Columbia, and such Person assumes all of the obligations of the
Company under this Indenture and the

                                         -19-

<PAGE>

Securities, including performance of all obligations under this Indenture and
payment of all amounts due on the Securities;

              (b)    immediately after the transaction, and giving effect to the
transaction, no Event of Default exists; and

              (c)    the Company delivers to the Trustee an Officers'
Certificate and an Opinion of Counsel stating that the transaction complies with
the foregoing conditions.

              If the Company consolidates with, or merges into, or is merged
into, or sells, transfers or leases substantially all of its property and assets
to any Person in accordance with this Section 5.01, (i) the resulting or
acquiring Person shall succeed to, and be substituted for, and may exercise
every right and power of, the Company under this Indenture and the Securities,
with the same effect as if such Person had been an original party to this
Indenture and (ii) thereafter, except in the case of a lease, the Company (or
other predecessor Person) shall be relieved of all obligations and covenants
under this Indenture and the Securities.

                                     ARTICLE 6

                               DEFAULTS AND REMEDIES

       Section 6.01  EVENTS OF DEFAULT.

              An "Event of Default" occurs with respect to the Securities of any
Series if:

                     (1)    the Company defaults in the payment of interest on
       any Security of that Series when the same becomes due and payable and the
       Default continues for a period of 30 days;

                     (2)    the Company defaults in the payment of the Principal
       of any Security of that Series when the same becomes due and payable at
       maturity, upon redemption or otherwise;

                     (3)    the Company fails to comply with any of its other
       agreements in the Securities of that Series, in this Indenture or in any
       supplemental indenture under which the Securities of that Series may have
       been issued, and the Default continues for the period and after the
       notice specified below;

                     (4)    the Company, pursuant to or within the meaning of
       any Bankruptcy Law:

                            (a)    commence a voluntary case,

                            (b)    consent to the entry of an order for relief
              against it in an involuntary case,

                            (c)    consent to the appointment of a Custodian of
              it or for all or substantially all of its property, or

                                         -20-
<PAGE>

                            (d)    make a general assignment for the benefit of
              its creditors; or

                     (5)    a court of competent jurisdiction enters an order
       under any Bankruptcy Law that:

                            (a)    is for relief against the Company in an
              involuntary case,

                            (b)    appoints a Custodian of the Company or for
              all or substantially all of its property, or

                            (c)    orders the liquidation of the Company and the
              order or decree remains unstayed and in effect for 90 days.

              A Default under clause (3) is not an Event of Default until the
Trustee or the Holders of at least 25% in Principal amount of all the
outstanding Securities of that Series notify the Company (and the Trustee in the
case of notification by such Holders) of the Default and the Company does not
cure the Default or such Default is not waived within 60 days after receipt of
the notice.  The notice must specify the Default, demand that it be remedied,
and state that the notice is a "Notice of Default."

       Section 6.02  ACCELERATION.

              If an Event of Default occurs with respect to the Securities of
any Series and is continuing, the Trustee, by notice to the Company, or the
Holders of at least 25% in Principal amount of all of the outstanding Securities
of that Series, by notice to the Company and the Trustee, may declare the
Principal (or, if the Securities of that Series are Original Issue Discount
Securities, such portion of the Principal amount as may be specified in the
terms of that Series) of all the Securities of that Series to be due and
payable.  Upon such declaration, such Principal (or, in the case of Original
Issue Discount Securities, such specified amount) shall be due and payable
immediately.  The Holders of a majority in Principal amount of all of the
Securities of that Series, by notice to the Trustee, may rescind such a
declaration and its consequences if the rescission would not conflict with any
judgment or decree and if all existing Events of Default have been cured or
waived except nonpayment of Principal or interest that has become due solely
because of the acceleration.  Notwithstanding the foregoing, an Event of Default
under clause 6.01 (4) or (5) shall cause the principal (or, if the Securities of
that Series are Original Issue Discount Securities, such portion of the
Principal amount as may be specified in the terms of that Series) of all the
Securities of that Series to be due and payable without declaration or other
action by the Trustee or Holders of outstanding Securities of that Series.

       Section 6.03  OTHER REMEDIES AVAILABLE TO TRUSTEE.

              (a)    If an Event of Default occurs and is continuing, the
Trustee may pursue any available remedy to collect the payment of Principal of
or interest on the Securities of the Series that is in default or to enforce the
performance of any provision of the Securities of that Series or this Indenture.

                                         -21-
<PAGE>

              (b)    The Trustee may maintain a proceeding even if it does not
possess any of the Securities or does not produce any of them in the proceeding.
A delay or omission by the Trustee or any Securityholder in exercising any right
or remedy accruing upon an Event of Default shall not impair the right or remedy
or constitute a waiver of or acquiescence in the Event of Default.  No remedy is
exclusive of any other remedy.  All available remedies are cumulative.

       Section 6.04  WAIVER OF EXISTING DEFAULTS.

              The Holders of a majority in Principal amount of any Series of
Securities by notice to the Trustee may waive an existing Default with respect
to that Series and its consequences, except a Default in the payment of the
Principal of or interest on any Security.

       Section 6.05  CONTROL BY MAJORITY.

              The Holders of a majority in Principal amount of the Securities of
each Series affected (with each such Series voting as a class) may direct the
time, method and place of conducting any proceeding for any remedy available to
the Trustee or exercising any trust or power conferred on it.  However, the
Trustee may refuse to follow any direction that conflicts with law or this
Indenture or that would involve the Trustee in personal liability.

       Section 6.06  LIMITATION ON SUITS BY SECURITYHOLDERS.

              A Securityholder may pursue a remedy with respect to this
Indenture or the Securities of any Series only if:

              (1)    the Holder gives to the Trustee written notice of a
continuing Event of Default;

              (2)    the Holders of at least 25% in Principal amount of the
Securities of that Series make a written request to the Trustee to pursue the
remedy;

              (3)    such Holder or Holders offer to the Trustee indemnity
satisfactory to the Trustee against any loss, liability, or expense to be, or
which may be, incurred by the Trustee in pursuing the remedy;

              (4)    the Trustee does not comply with the request within 60 days
after receipt of the request and the offer of indemnity; and

              (5)    during such 60 day period, the Holders of a majority in
Principal amount of the Securities of that Series do not give the Trustee a
direction inconsistent with the request.

              A Securityholder of any Series may not use this Indenture to
prejudice the rights of another Securityholder of that Series or any other
Series or to obtain a preference or priority over another Securityholder of that
Series or any other Series.

                                         -22-

<PAGE>

              Section 6.07  RIGHTS OF HOLDERS TO RECEIVE PAYMENT.

              Notwithstanding any other provision of this Indenture, the right
of any Holder of a Security to receive payment of the Principal of and interest
on the Security, on or after the respective due dates expressed in the Security,
and the right of any Holder of a coupon to receive payment of interest due as
provided in such coupon, or to bring suit for the enforcement of any such
payment, on or after such respective dates, shall not be impaired or affected
without the consent of such Holder.

              Section 6.08  COLLECTION SUITS BY TRUSTEE.

              If a Default specified in Section 6.01(1) or (2) occurs and
continues for the period specified therein, if any, the Trustee may recover
judgment in its own name and as trustee of an express trust against the Company
for the whole amount of such Principal and interest then in default.

              Section 6.09  TRUSTEE MAY FILE PROOFS OF CLAIM.

              The Trustee may file such proofs of claim and other papers or
documents as may be necessary or advisable in order to have the claims of the
Trustee and the Securityholders allowed in any judicial proceedings relating to
the Company or its creditors or property.

              Section 6.10  PRIORITIES.

              If the Trustee collects any money pursuant to this Article, it
shall pay out the money in the following order:

              FIRST:  to the Trustee for amounts due it under Section 7.07;

              SECOND:  to Holders of Securities in respect of which or for the
benefit of which such money has been collected for amounts due and unpaid on
such Securities for Principal and interest, ratably, without preference or
priority of any kind, according to the amounts due and payable on such
Securities for Principal and interest, respectively; and

              THIRD:  to the Person or Persons lawfully entitled thereto, or as
a court of competent jurisdiction may direct.

              Section 6.11  UNDERTAKING FOR COSTS.

              If any suit for the enforcement of any right or remedy under this
Indenture or in any suit against the Trustee for any action taken or omitted by
it as Trustee, a court in its discretion may require the filing by any party
litigant in the suit of an undertaking to pay the costs of the suit, and the
court in its discretion may assess reasonable attorneys' fees against any party
litigant in this suit having due regard to the merits and good faith of the
claims or defenses made by the party litigant.  This Section does not apply to a
suit by the Trustee, a suit by a Holder pursuant to Section 6.07 or a suit by
Holders of more than 10% in Principal amount of the Securities of any Series.

                                         -23-
<PAGE>

                                     ARTICLE 7

                                      TRUSTEE

       Section 7.01  DUTIES OF TRUSTEE.

              (a)    If an Event of Default has occurred and is continuing, the
Trustee shall exercise its rights, duties and powers under this Indenture and
use the same degree of care and skill in their exercise as a prudent man would
exercise or use under the circumstances in the conduct of his own affairs.

              (b)    Except during the continuance of an Event of Default:

                     (1)    The Trustee need perform only those duties that are
       specifically set forth in this Indenture, and no implied covenants or
       obligations shall be read into this Indenture against the Trustee; and

                     (2)    In the absence of bad faith on its part, the Trustee
       may conclusively rely, as to the truth of the statements and the
       correctness of the opinions expressed therein, upon notices,
       certificates, opinions or other documents furnished to the Trustee and
       conforming to the requirements of this Indenture.  However, the Trustee
       shall examine the notices, certificates, opinions or other documents to
       determine whether or not they conform to the requirements of this
       Indenture.

              (c)    The Trustee may not be relieved from liability for its own
negligent action, its own negligent failure to act or its own willful
misconduct, except that:

                     (1)    This paragraph does not limit the effect of
       paragraph (b) of this Section;

                     (2)    The Trustee shall not be liable for any error of
       judgment made in good faith by a Responsible Officer, unless it is proved
       that the Trustee was negligent in ascertaining the pertinent facts; and

                     (3)    The Trustee shall not be liable with respect to any
       action it takes or omits to take in good faith in accordance with a
       direction received by it pursuant to Sections 6.04 and 6.05.

              (d)    Every provision of this Indenture that in any way relates
to the Trustee is subject to paragraph (a), (b), and (c) of this Section.

              (e)    The Trustee may refuse to perform any duty or exercise any
right or power unless it receives indemnity satisfactory to it against any loss,
liability or expense (including reasonable attorneys' fees) that might be
incurred by it.

              (f)    The Trustee shall not be liable for interest on any money
received by it except as the Trustee may agree with the Company.  Money held in
trust by the Trustee need not be segregated from other funds except to the
extent required by law.

                                         -24-
<PAGE>

       Section 7.02  RIGHTS OF TRUSTEE.

              (a)    The Trustee may conclusively rely on and shall be fully
protected in acting or refraining from acting upon any document believed by it
to be genuine and to have been signed or presented by the proper person.  The
Trustee need not investigate any fact or matter stated in the document.

              (b)    Before the Trustee acts or refrains from acting, it may
consult with counsel or require an Officers' Certificate or an Opinion of
Counsel.  The Trustee shall not be liable for any action it takes or omits to
take in good faith in reliance on a Board Resolution, the written advice of
counsel acceptable to the Company or the Trustee, a certificate of an Officer or
Officers delivered pursuant to Section 2.02(b), an Officers' Certificate, or an
Opinion of Counsel.

              (c)    The Trustee may act through agents, attorneys, custodians,
nominees or any of its affiliates and shall not be responsible for the
misconduct or negligence of any agent appointed with due care.

              (d)    The Trustee shall not be liable for any action it takes or
omits to take in good faith which it believes to be authorized or within its
rights or powers.

              (e)    Except as otherwise provided in Section 7.01, the Trustee
shall not be liable for any action or omission of any Agent which is not the
Trustee.

              The duties and obligations of the Trustee shall be determined
solely by the express provisions of this Indenture, and the Trustee shall take
such action with respect to this Indenture as it shall be directed, and the
Trustee shall not be liable except for the performance of such duties and
obligations as are specifically set forth in this Indenture and as specifically
directed by the Company, and no implied covenants or obligations shall be read
into this Indenture against the Trustee;

              In the absence of bad faith on the part of the Trustee, the
Trustee may conclusively rely, as to the truth of the statements and the
correctness of the opinions expressed therein, upon any certificates or opinions
furnished to the Trustee which conform to the requirements of this Indenture;

              The Trustee shall not be liable for any error of judgment made in
good faith by an officer or officers of the Trustee, unless it shall be
conclusively determined by a court of competent jurisdiction that the Trustee
was grossly negligent in ascertaining the pertinent facts;

              The Trustee shall not be liable with respect to any action taken
or omitted to be taken by it in good faith in accordance with any direction of
the Company given under this Indenture.

              None of the provisions of this Indenture shall require the Trustee
to expend or risk its own funds or otherwise to incur any liability, financial
or otherwise, in the performance of any of its duties hereunder, or in the
exercise of any of its rights or powers if it shall have

                                         -25-
<PAGE>

reasonable grounds for believing that repayment of such funds or indemnity
satisfactory to it against such risk or liability is not assured to it.

              Whenever in the administration of the provisions of this Indenture
the Trustee shall deem it necessary or desirable that a matter be proved or
established prior to taking or suffering any action to be taken hereunder, such
matter (unless other evidence in respect thereof be herein specifically
prescribed) may, in the absence of gross negligence or bad faith on the part of
the Trustee, be deemed to be conclusively proved and established by a
certificate signed by one of the Company's officers, as the case may be, and
delivered to the Trustee and such certificate, in the absence of gross
negligence or bad faith on the part of the Trustee, shall be full warrant to the
Trustee for any action taken, suffered or omitted by it under the provisions of
this Indenture upon the faith thereof.

              The Trustee shall have no obligation to invest and reinvest any
cash held by it in the absence of timely and specific written investment
direction from the Company.  In no event shall the Trustee be liable for the
selection of investments or for investment losses incurred thereon.  The Trustee
shall have no liability in respect of losses incurred as a result of the
liquidation of any investment prior to its stated maturity or the failure of the
Company to provide timely written investment direction.

              Any corporation into which the Trustee may be merged or converted
or with which it may be consolidated, or any corporation resulting from any
merger, conversion or consolidation to which the Trustee shall be a party, or
any corporation succeeding to the business of the Trustee shall be the successor
of the Trustee hereunder without the execution or filing of any paper with any
party hereto or any further act on the part of any of the parties hereto except
where an instrument of transfer or assignment is required by law to effect such
succession, anything herein to the contrary notwithstanding.

              Neither the Trustee nor any of its officers, directors, employees
or agents shall be liable for any action taken or omitted under this Indenture
or in connection therewith except to the extent caused by the Trustee's gross
negligence or willful misconduct, as determined by the final judgment of a court
of competent jurisdiction, no longer subject to appeal or review.  The parties
each (for itself and any Person claiming through it) hereby releases, waives,
discharges, exculpates and covenants not to sue the Trustee for any action taken
or omitted under this Indenture except to the extent caused by the Trustee's
gross negligence or willful misconduct.  Anything in this Indenture to the
contrary notwithstanding, in no event shall the Trustee be liable for special,
indirect or consequential loss or damage of any kind whatsoever (including but
not limited to lost profits), even if the Trustee has been advised of the
likelihood of such loss or damage and regardless of the form of action.

       Section 7.03  INDIVIDUAL RIGHTS OF TRUSTEE.

              The Trustee in its individual or any other capacity may become the
owner or pledgee of Securities and may otherwise deal with the Company, or one
of its Affiliates with the same rights it would have if it were not Trustee,
subject to Sections 7.10 and 7.11.  Any Agent may do the same with like rights.

                                         -26-
<PAGE>

       Section 7.04  TRUSTEE'S DISCLAIMER.

              The Trustee makes no representation as to the validity or adequacy
of this Indenture or the Securities.  It shall not be accountable for the
Company's use of the proceeds from the Securities or for monies paid over to the
Company or by the Company to any Holders or to any Paying Agent pursuant to the
Indenture, and it shall not be responsible for any statement in the Securities
other than its certificate of authentication.

       Section 7.05  NOTICE OF DEFAULTS.

              If a Default occurs and is continuing with respect to the
Securities of any Series and if it is known to the Trustee, the Trustee shall
mail to each Holder of a Security of that Series entitled to receive reports
pursuant to Section 4.02(c) (and, if Unregistered Securities of that Series are
outstanding, shall cause to be published at least once in an Authorized
Newspaper in each of The City of New York, and London) notice of the Default
within 90 days after it occurs.  Except in the case of a Default in payment on
the Securities of any Series, the Trustee may withhold the notice if and so long
as a committee of its Responsible Officers in good faith determines that
withholding such notice is in the interests of Securityholders of that Series.

       Section 7.06  REPORTS BY TRUSTEE TO HOLDERS.

              (a)    Within 60 days after each anniversary date of the first
issue of a Series of Securities, the Trustee shall mail to each Securityholder
of that Series entitled to receive reports pursuant to Section 4.02(c) a brief
report dated as of such date that complies with TIA Section 313(a).  The Trustee
also shall comply with TIA Section 313(b).

              (b)    At the time that it mails such a report to Securityholders
of any Series, the Trustee shall file a copy of that report with the SEC and
with each stock exchange on which the Securities of that Series are listed.  The
Company shall provide written notice to the Trustee when the Securities of any
Series are listed on any stock exchange.

       Section 7.07  COMPENSATION AND INDEMNITY.

              (a)    The Company shall pay to the Trustee from time to time
compensation for its services.  The Trustee's compensation shall not be limited
by any law on compensation of a trustee of an express trust.  The Company shall
reimburse the Trustee upon request for all reasonable out-of-pocket expenses
incurred by it in connection with the performance of its duties under this
Indenture.  Such expenses shall include the reasonable compensation and expenses
of the Trustee's agents and counsel.

              (b)    The Company shall indemnify the Trustee and its officers,
directors, employees, representatives and agents from and against any loss,
claims, expenses, obligations, charges or liability incurred by it of whatever
kind or nature, regardless of their merit, demanded, asserted or claimed against
the Trustee directly or indirectly relating to or arising out of or in
connection with its acceptance or administration of the trust or trusts
hereunder and by reason of its participation in the transactions contemplated
hereby.  The Trustee shall notify the Company promptly of any claim for which it
may seek indemnity.  The Company shall defend the claim, and the Trustee shall
cooperate in the defense.  The Trustee may have separate counsel and the

                                         -27-
<PAGE>

Company shall pay the reasonable fees and expenses of such counsel.  The Company
need not pay for any settlement made without its consent.

              (c)    The Company need not reimburse any expense or indemnify
against any loss of liability incurred by the Trustee through gross negligence
or bad faith.

              (d)    To secure the payment obligations of the Company pursuant
to this Section, the Trustee shall have a lien prior to the Securities of any
Series on all money or property held or collected by the Trustee, except that
held in trust to pay Principal and interest on particular Securities of a
Series.

              (e)    If the Trustee incurs expenses or renders services after an
Event of Default specified in Section 6.01(4) or (5) occurs, such expenses and
the compensation for such services are intended to constitute expenses of
administration under any Bankruptcy Law.

              The provisions of this Section 7.07 shall survive the termination
of t he Indenture or the earlier resignation or removal of the Trustee.

       Section 7.08  REPLACEMENT OF TRUSTEE.

              (a)    The resignation or removal of the Trustee and the
appointment of a successor Trustee shall become effective only upon the
successor Trustee's acceptance of appointment as provided in this Section.

              (b)    The Trustee may resign with respect to the Securities of
any Series by so notifying the Company.  The Holders of a majority in Principal
amount of the Securities of any Series may remove the Trustee with respect to
that Series by so notifying the Trustee and the Company, and may appoint a
successor Trustee for such Series with the Company's consent.

              (c)    The Company may remove the Trustee with respect to
Securities of any Series if:

                     (1)    the Trustee fails to comply with Section 7.10;

                     (2)    the Trustee is adjudged a bankrupt or an insolvent;

                     (3)    a receiver or public officer takes charge of the
       Trustee or its property; or

                     (4)    the Trustee becomes incapable of acting.

              In addition, the Company may remove the Trustee with respect to
Securities of any Series without cause if the Company gives written notice to
the Trustee of such proposed removal at least six months in advance of the
proposed effective date of such removal; provided, however, that such removal
shall not become effective if a Default exists on the date of the giving of such
notice or occurs prior to the date such removal is scheduled to become
effective.

                                         -28-
<PAGE>

              (d)    If the Trustee resigns or is removed or if a vacancy exists
in the office of Trustee for any reason, with respect to Securities of any
Series, the Company shall promptly appoint a successor Trustee for such Series.

              (e)    If a successor Trustee with respect to the Securities of
any Series does not take office within 30 days after the retiring Trustee
resigns or is removed, the retiring Trustee, the Company or the Holders of a
majority in Principal amount of the Securities of the applicable Series may
petition any court of competent jurisdiction for the appointment of a successor
Trustee.

              (f)    If the Trustee with respect to the Securities of any Series
fails to comply with Section 7.10, any Securityholder of the applicable Series
may petition any court of competent jurisdiction for the removal of such Trustee
and the appointment of a successor Trustee.

              (g)    A successor Trustee shall deliver a written acceptance of
its appointment to the retiring Trustee and the Company.  Thereupon, the
resignation or removal of the retiring Trustee for any Series of Securities
shall become effective, and the successor Trustee shall have all the rights,
powers, and duties of the retiring Trustee with respect to all Series of
Securities for which the successor Trustee is to be acting as Trustee under this
Indenture.  The retiring Trustee shall promptly transfer all property held by it
as Trustee with respect to such Series of Securities to the successor Trustee
subject to the lien provided for in Section 7.07.  The Company shall give notice
of each appointment of a successor Trustee for any Series of Securities by
publishing notice of such event once in an Authorized Newspaper in each of The
City of New York, and London, by mailing written notice of such event by
first-class mail to the Holders of Securities of such Series entitled to receive
reports pursuant to Section 4.02(c).

              (h)    All provisions of this Section 7.08 except subparagraphs
(c)(1) and (d) and the words "subject to the lien provided for in Section 7.07"
in subparagraph (g) shall apply also to any Paying Agent located outside the
U.S. and its possessions and required by Section 2.04.

              (i)    In case of the appointment hereunder of a successor Trustee
with respect to the Securities of one or more (but not all) Series, the Company,
the retiring Trustee and such successor Trustee shall execute and deliver a
supplemental indenture wherein such successor Trustee shall accept such
appointment, and which (1) shall contain such provisions as shall be necessary
or desirable to transfer and confirm to, and to vest in, such successor Trustee
all the rights, powers, trusts, and duties of the retiring Trustee with respect
to the Securities of that or those Series to which the appointment of such
successor Trustee relates; (2) if the retiring Trustee is not retiring with
respect to all Securities, shall contain such provisions as shall be deemed
necessary or desirable to confirm that all the rights, powers, trusts and duties
of the retiring Trustee with respect to the Securities of that or those Series
as to which the retiring Trustee is not retiring shall continue to be vested in
the retiring Trustee; and (3) shall add to or change any of the provisions of
this Indenture as shall be necessary to provide for or facilitate the
administration of the trusts hereunder by more than one Trustee, it being
understood that nothing herein or in such supplemental indenture shall
constitute such Trustees co-trustees of the same trust and that each such
Trustee shall be trustee of a trust or trusts hereunder separate and apart from
any trust or trusts hereunder administered by any other such Trustee.

                                         -29-
<PAGE>

       Section 7.09  SUCCESSOR TRUSTEE, AGENTS BY MERGER, ETC.

              If the Trustee or any Agent consolidates with, merges or converts
into, or transfers all or substantially all of its corporate trust business
assets to, another corporation, the successor corporation, without any further
act, shall be the successor Trustee or Agent, as the case may be.

       Section 7.10  ELIGIBILITY; DISQUALIFICATION.

              This Indenture shall always have a Trustee with respect to each
Series of Securities who satisfies the requirements of TIA Section 310(a)(1).

              The Trustee shall always have a combined capital and surplus of at
least $10,000,000 as set forth in its most recent published annual report of
condition.  The Trustee is subject to TIA Section 310(b), including the optional
provision permitted by the second sentence of TIA Section 310(b)(9), except that
there shall be excluded from the operation of TIA Section 310(b)(1) each Series
of Securities and all indentures of the Company or any of its Affiliates now or
hereafter existing which may be excluded under the proviso of TIA Section
310(b)(1).

       Section 7.11  PREFERENTIAL COLLECTION OF CLAIMS AGAINST THE COMPANY.

              The Trustee is subject to TIA Section 311(a), excluding any
creditor relationship listed in TIA Section 311(b).  A Trustee who has resigned
or been removed shall be subject to TIA Section 311(a) to the extent indicated.

                                     ARTICLE 8

                               DISCHARGE OF INDENTURE

       Section 8.01  TERMINATION OF THE COMPANY'S OBLIGATIONS.

              (a)    The Company reserves the right to terminate all of its
obligations under the Securities and this Indenture with respect to the
Securities of any Series or any installment of Principal of or interest on that
Series if the Company irrevocably deposits in trust with the Trustee money or
Eligible Instruments sufficient to pay, when due, the Principal of and interest
on the Securities of that Series to maturity or redemption or such installment
of Principal or interest, as the case may be, and if all other conditions set
forth in the Securities of that Series are met.  The Company shall designate the
installment or installments of Principal or interest to be so satisfied.

              (b)    However, the Company's obligations in Sections 2.04, 2.05,
2.06, 2.07, 2.08, 2.09, 4.01, 7.07, 7.08, 8.03 and 8.04 shall survive until the
Securities are no longer outstanding.  Thereafter, the Company's obligations in
Sections 7.07, 8.03 and 8.04 shall survive.

              (c)    Before or after a deposit, the Company may make
arrangements satisfactory to the Trustee for the redemption of Securities at a
future date in accordance with Article 3.

                                         -30-
<PAGE>

              (d)    After a deposit by the Company in accordance with this
Section in respect of the Securities of a Series, the Trustee upon request shall
acknowledge in writing the discharge of the Company's obligations under the
Securities of the Series in respect of which the deposit has been made and under
this Indenture with respect to the Securities of that Series except for those
surviving obligations specified above.

              (e)    In order to have money available on a payment date to pay
the Principal of or interest on the Securities of any Series, the Eligible
Instruments shall be payable as to the Principal of or interest on or before
such payment date in such amounts as will provide the necessary money.  Eligible
Instruments shall not be callable at the issuer's option.

              (f)    "Eligible Instruments" means:

                     (i)    direct obligations of the United States of America
       for the payment of which the full faith and credit of the United States
       of America is pledged; or

                     (ii)   obligations of a Person controlled or supervised by
       and acting as an agency or instrumentality of the United States of
       America, the timely payment of which is unconditionally guaranteed as a
       full faith and credit obligation by the United States of America.

       Section 8.02  APPLICATION OF TRUST MONEY.

              The Trustee shall hold money or Eligible Instruments deposited
with it pursuant to Section 8.01.  It shall apply the deposited money and the
investment earnings from Eligible Instruments through the Paying Agent and in
accordance with this Indenture to the payment of the Principal of and interest
on the Securities of each Series in respect of which the deposit shall have been
made.

       Section 8.03  REPAYMENT TO THE COMPANY.

              (a)    Subject to the provisions of Section 7.07(d), the Trustee
and the Paying Agent shall promptly pay to the Company, upon request, any money
or securities held by them at any time in excess of that required for the
payment of Principal or interest on the Securities.

              (b)    The Trustee and the Paying Agent shall promptly pay to the
Company, upon request, any money held by them for the payment of Principal or
interest that remains unclaimed for two years.  After that, Securityholders
entitled to the money must look to the Company for payment as general creditors
unless an abandoned property law designates another Person.  Upon payment to the
Company, the Trustee and Paying Agent are released of any further obligation or
liability with respect to the utilization of such moneys.

       Section 8.04  INDEMNITY FOR ELIGIBLE INSTRUMENTS.

              The Company shall pay and shall indemnify the Trustee and each
Securityholder of each Series in respect of which the deposit shall have been
made against any tax, fee, or other charge imposed on or assessed against
deposited Eligible Instruments or the Principal and interest received on such
instruments.

                                         -31-
<PAGE>

                                     ARTICLE 9

                               AMENDMENTS AND WAIVERS

       Section 9.01  WITHOUT CONSENT OF HOLDERS.

              The Company and the Trustee may enter into one or more
supplemental indentures without consent of any Securityholder for any of the
following purposes:

              (1)    to cure any ambiguity, defect, or inconsistency herein, in
the Securities of any Series;

              (2)    to comply with Article 5;

              (3)    to provide for uncertificated Securities in addition to or
in place of certificated Securities;

              (4)    to add to the covenants of the Company for the benefit of
the Holders of all or any Series of Securities (and if such covenants are to be
for the benefit of less than all Series of Securities, stating that such
covenants are expressly being included solely for the benefit of such Series) or
to surrender any right or power herein conferred upon the Company;

              (5)    to add to, delete from, or revise the conditions,
limitations, and restrictions on the authorized amount, terms, or purposes of
issue, authentication, and delivery of Securities, as herein set forth;

              (6)    to secure the Securities pursuant to Section 4.03.

              (7)    to make any change that does not adversely affect the
rights of any Securityholder in any material respect; or

              (8)    to provide for the issuance of and establish the form and
terms and conditions of Securities of any Series as provided in Section 2.02, to
establish the form of any certifications required to be furnished pursuant to
the terms of this Indenture or any Series of Securities, or to add to the rights
of the Holders of any Series of Securities.

       Section 9.02  WITH CONSENT OF HOLDERS.

              (a)    With the written consent of the Holders of a majority in
Principal amount of the outstanding Securities of each Series affected by such
supplemental indenture (with each Series voting as a class), the Company and the
Trustee may enter into a supplemental indenture to add any provisions to or to
change or eliminate any provisions of this Indenture or of any supplemental
indenture or to modify, in each case in any manner not covered by Section 9.01,
the rights of the Securityholders of each such Series.  The Holders of a
majority in Principal amount of the outstanding Securities of each Series
affected by such waiver (with each Series voting as a class), by notice to the
Trustee, may waive compliance by the Company with any provision of this
Indenture, any supplemental indenture, or the Securities of any such Series,

                                         -32-
<PAGE>

except a Default in the payment of the Principal of or interest on any Security.
However, without the consent of each Securityholder affected, an amendment or
waiver may not:

                     (1)    reduce the amount of Securities whose Holders must
       consent to an amendment or waiver;

                     (2)    change the rate of or change the time for payment of
       interest on any Security;

                     (3)    change the Principal of or change the fixed maturity
       of any Security;

                     (4)    waive a Default in the payment of the Principal of
       or interest on any Security;

                     (5)    make any Security payable in money other than that
       stated in the Security; or

                     (6)    make any change in Section 6.04 (Waiver of Existing
       Defaults), 6.07 (Rights of Holders to Receive Payment), or this Section
       9.02(a) (third sentence).

              (b)    It is not necessary under this Section 9.02 for the
Securityholders to consent to the particular form of any proposed supplemental
indenture, but it is sufficient if they consent to the substance thereof.

              (c)    Promptly after the execution by the Company and the Trustee
of any supplemental indenture pursuant to the provisions of this Section 9.02,
the Company shall transmit by mail a notice, setting forth in general terms the
substance of such supplemental indenture, to all Holders of Registered
Securities, as the names and addresses of such Holders appear on the register
for each Series of Securities, and to such Holders of Unregistered Securities as
are entitled to receive reports pursuant to Section 4.02(c).  Any failure of the
Company to mail such notice, or any defect therein, shall not, however, in any
way impair or affect the validity of any such supplemental indenture.

       Section 9.03  COMPLIANCE WITH TRUST INDENTURE ACT.

              Every amendment to this Indenture or the Securities of one or more
Series shall be set forth in a supplemental indenture that complies with the TIA
as then in effect.

       Section 9.04  REVOCATION AND EFFECT OF CONSENTS.

              Until an amendment or waiver becomes effective, a consent to it by
a Holder of a Security is a continuing consent by the Holder and every
subsequent Holder of a Security or portion of a Security that evidences the same
debt as the consenting Holder's Security even if a notation of the consent is
not made on any Security.  However, any such Holder or subsequent Holder may
revoke the consent as to his Security or portion of his Security if the Trustee
receives a written notice of revocation before the date the amendment or waiver
becomes

                                         -33-
<PAGE>

effective.  After an amendment or waiver becomes effective, it shall bind every
Securityholder of each Series affected by such amendment or wavier.

       Section 9.05  NOTATION ON OR EXCHANGE OF SECURITIES.

              The Trustee shall place an appropriate notation about an amendment
or waiver on any Security of any Series thereafter authenticated.  The Company,
in exchange for Securities of that Series, may issue and the Trustee shall
authenticate new Securities of that Series that reflect the amendment or waiver.

       Section 9.06  TRUSTEE PROTECTED.

              The Trustee need not sign any supplemental indenture that
adversely affects its rights or obligations.  The Company shall provide to the
Trustee an Opinion of Counsel that any supplemental indenture is authorized or
permitted hereunder and that all conditions precedent to such execution and
delivery have been satisfied.

                                     ARTICLE 10

                                   SINKING FUNDS

       Section 10.01  APPLICABILITY OF ARTICLE.

              The provisions of this Article shall be applicable to any sinking
fund for the retirement of Securities of a Series, except as otherwise permitted
or required by any form of Security of such Series issued pursuant to this
Indenture.

              The minimum amount of any sinking fund payment provided for by the
terms of Securities of any Series is herein referred to as "mandatory sinking
fund payment," and any payment in excess of such minimum amount provided for by
the terms of Securities of such Series is herein referred to as an "optional
sinking fund payment."  If provided for by the terms of Securities of any
Series, the cash amount of any sinking fund payment may be subject to reduction
as provided in Section 10.02.  Each sinking fund payment shall be applied to the
redemption of Securities of any Series as provided for by the terms of
Securities of such Series.

       Section 10.02  SATISFACTION OF SINKING FUND PAYMENTS WITH SECURITIES.

              The Company may, in satisfaction of all or any part of any sinking
fund payment with respect to the Securities of such Series to be made pursuant
to the terms of such Securities as provided for by the terms of such Series, (1)
deliver outstanding Securities of such Series (other than any of such Securities
previously called for redemption or any of such Securities in respect of which
cash shall have been released to the Company) to the Trustee for cancellation
pursuant to Section 2.13, or (2) apply as a credit Securities of such Series
which have been previously cancelled pursuant to Section 2.13 or redeemed either
at the election of the Company pursuant to the terms of such Series of
Securities or through the application of permitted optional sinking fund
payments pursuant to the terms of such Securities, provided that such Series of
Securities have not been previously so credited. Such Securities shall be
received and credited for such purpose by the Trustee at the redemption price
specified in such Securities for

                                         -34-
<PAGE>

redemption through operation of the sinking fund and the amount of such sinking
fund payment shall be reduced accordingly.  If as a result of the delivery or
credit of Securities of any Series in lieu of cash payments pursuant to this
Section 10.02, the Principal amount of Securities of such Series to be redeemed
in order to exhaust the aforesaid cash payment shall be less than $500,000, the
Trustee shall not call Securities of such Series for redemption, except upon
Company Order, and such cash payment shall be held by the Trustee or a Paying
Agent and applied to the next succeeding sinking fund payment; provided,
however, that the Trustee or such Paying Agent shall at the request of the
Company from time to time pay over and deliver to the Company any cash payment
so being held by the Trustee or such Paying Agent upon delivery by the Company
to the Trustee of Securities of that Series for cancellation pursuant to Section
2.13 having an unpaid Principal amount equal to the cash payment required to
bereleased to the Company.  Funds held by the Trustee under this Section may be
invested, pursuant to a Company Order, in Eligible Instruments for the benefit
of the Company.

       Section 10.03  REDEMPTION OF SECURITIES FOR SINKING FUND.

              Not less than 60 days prior to each sinking fund payment date for
any Series of Securities, the Company will deliver to the Trustee an Officers'
Certificate specifying the amount of the next ensuring mandatory sinking fund
payment for that Series pursuant to the terms of that Series, the portion
thereof, if any, which is to be satisfied by payment of cash, and the portion
thereof, if any, which is to be satisfied by delivering and crediting of
Securities of that Series pursuant to Section 10.02, and the optional amount, if
any, to be added in cash to the next ensuing mandatory sinking fund payment, and
will also deliver to the Trustee any Securities to be so credited and not
theretofore delivered.  If such Officers' Certificate shall specify an optional
amount to be added in cash to the next ensuing mandatory sinking fund payment,
the Company shall thereupon be obligated to pay the amount therein specified.
Not less than 30 days before each such sinking fund payment date, the Trustee
shall select the Securities to be redeemed upon such sinking fund payment date
in the manner specified in Section 3.02 and cause notice of the redemption
thereof to be given in the name of and at the expense of the Company in the
manner provided in Section 3.03.  Such notice having been duly given, the
redemption of such Securities shall be made upon the terms and in the manner
stated in Sections 3.04, 3.05 and 3.06.

                                     ARTICLE 11

                                   MISCELLANEOUS

       Section 11.01  TRUST INDENTURE ACT CONTROLS.

              If any provision of this Indenture limits, qualifies or conflicts
with a provision which is required to be included in this Indenture by the TIA,
the required provision shall control.

       Section 11.02  NOTICES.

              (a)    Any notice or communication by the Company or the Trustee
is duly given if in writing and delivered in person, sent by facsimile or mailed
by certified mail:

                                         -35-
<PAGE>

              if to the Company to:

              USA Education, Inc.
              11600 Sallie Mae Drive
              Reston, Virginia 20193
              Attention:  Treasurer

              if to the Trustee to:

              The Chase Manhattan Bank
              450 West 33rd Street, 14thth Floor
              New York, New York 10001
              Attention:  Capital Markets Fiduciary Services;Structured Finance

              (b)    The Company or the Trustee by notice to the others may
designate additional or different addresses for subsequent notices or
communications.

              (c)    Any notice or communication to Holders of Securities
entitled to receive reports pursuant to Section 4.02(c) shall be mailed by
first-class mail to the addresses for Holders of Registered Securities shown on
the register kept by the Registrar and to addresses filed with the Trustee for
other Holders. Failure to so mail a notice or communication or any defect in
such notice or communication shall not affect its sufficiency with respect to
other Holders of Securities of that or any other Series entitled to receive
notice.

              (d)    If a notice of communication is mailed in the manner
provided above within the time prescribed, it is conclusively presumed to have
been duly given, whether or not the addressee receives it.

              (e)    If the Company mails a notice or communication to
Securityholders, it shall mail a copy to the Trustee and to each Agent at the
same time.

              (f)    If it shall be impractical in the opinion of the Trustee or
the Company to make any publication of any notice required hereby in an
Authorized Newspaper, any publication or other notice in lieu thereof which is
made or given with the approval of the Trustee shall constitute a sufficient
publication of such notice.

       Section 11.03  COMMUNICATION BY HOLDERS WITH OTHER HOLDERS.

              Securityholders of any Series may communicate pursuant to TIA
Section 312(b) with other Securityholders of that Series or of all Series with
respect to their rights under this Indenture or under the Securities of that
Series or of all Series.  The Company the Trustee, the Registrar and anyone else
shall have the protection of TIA Section 312(c).

       Section 11.04  CERTIFICATE AND OPINION AS TO CONDITIONS PRECEDENT.

              Upon any request or application by the Company to the Trustee to
take any action under this Indenture, the Company shall furnish to the Trustee:

                                         -36-
<PAGE>

              (1)    an Officers' Certificate stating that, in the opinion of
the signers, all conditions precedent, if any, provided for in this Indenture
relating to the proposed action have been complied with; and

              (2)    an Opinion of Counsel stating that, in the opinion of such
counsel, all such conditions precedent have been complied with.

       Section 11.05  STATEMENTS REQUIRED IN CERTIFICATE OR OPINION.

              Each certificate or opinion with respect to compliance with a
condition or covenant provided for in this Indenture shall include:

              (1)    a statement that the person making such certificate or
opinion has read such covenant or condition;

              (2)    a brief statement as to the nature and scope of the
examination or investigation upon which the statements or opinions contained in
such certificate or opinion are based;

              (3)    a statement that, in the opinion of such person, he has
made such examination or investigation as is necessary to enable him to express
an informed opinion as to whether or not such covenant or condition has been
complied with; and

              (4)    a statement as to whether or not, in the opinion of such
person, such condition or covenant has been complied with.

       Section 11.06  RULES BY TRUSTEE AND AGENTS.

              The Trustee may make reasonable rules for action by or a meeting
of Securityholders of one or more Series.  The Paying Agent or Registrar may
make reasonable rules and set reasonable requirements for its functions.

       Section 11.07  LEGAL HOLIDAYS.

              Except as may otherwise be provided in the form of Securities of
any particular Series pursuant to the provisions of this Indenture, a "Legal
Holiday" is a Saturday, Sunday, or a day on which banking institutions are not
required to be open.  If a payment date is a Legal Holiday at a place of
payment, payment may be made at such place on the next succeeding day that is
not a Legal Holiday, and no interest shall accrue for the intervening period,
except as provided in any related Board Resolutions or supplement to this
Indenture.

       Section 11.08  GOVERNING LAW.

              The laws of the State of New York shall govern this Indenture, the
Securities and any coupons appertaining thereto.

                                         -37-
<PAGE>

       Section 11.09  NO ADVERSE INTERPRETATION OF OTHER AGREEMENTS.

              This Indenture may not be used to interpret another indenture,
loan, or debt agreement of the Company or an Affiliate.  No such indenture,
loan, or debt agreement may be used to interpret this Indenture.

       Section 11.10  NO RECOURSE AGAINST OTHERS.

              No director, officer, employee or stockholder, as such, of the
Company shall have any liability for any obligations of the Company under the
Securities or the Indenture or for any claim based on, in respect of, or by
reason of, such obligations or their creation.  Each Securityholder by accepting
a Security waives and releases all such liability.  The waiver and release are
part of the consideration for the issue of the Securities.

       Section 11.11  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 instrument.

       Section 11.12  CURRENCIES.

              Except as may otherwise be provided in the form of Securities of
any particular Series pursuant to the provisions of this Indenture, all
references in this Indenture or in the Securities to "dollars," "$," or any
similar reference shall be to the currency of the United States of America.

                                     ARTICLE 12

                         REPAYMENT AT THE OPTION OF HOLDERS

       Section 12.01  APPLICABILITY OF ARTICLE.

              Securities of any Series which are repayable at the option of the
Holders thereof before their stated maturity shall be repaid in accordance with
the terms of the Securities of such Series.

                                         -38-
<PAGE>

              IN WITNESS WHEREOF, the parties hereto have caused this Indenture
to be duly executed as of the day and year set forth above.

                                   USA EDUCATION, INC.

                                   By: /s/ John F. Remondi
                                       --------------------------------------
                                   Name:  John F. Remondi
                                   Title: Senior Vice President & Treasurer

                                   THE CHASE MANHATTAN BANK, not in its
                                   individual capacity, but solely as Trustee
                                   By:  /s/ Patricia M.F. Russo
                                       --------------------------------------
                                   Name:  Patricia M.F. Russo
                                   Title: Vice President

                                         -39-

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