Document:

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                                                                     Exhibit 4.2

                                  DEMAND NOTE

                                                              September 28, 2001
                                                              New York, New York

     ON DEMAND as set forth herein, for value received, ALLOY, INC., a Delaware
corporation ("Maker"), promises to pay to the order of DIANNA J. DUCKWORTH (the
"Holder"), at the address of the Holder at One Competition Way, Mt. Vernon, IN
47620, or at such other place or places or to such other party or parties as the
Holder may from time to time designate, the Final Principal Amount, if any, as
determined below, without interest; provided, that if this Note is not paid in
full upon demand for payment thereof given in accordance with the provisions
hereof, interest on the unpaid balance shall thereafter be payable on demand at
an interest rate per annum equal to fifteen percent (15%) per annum.

     This Note is issued pursuant to the provisions of that certain Agreement
and Plan of Reorganization, dated as of September 28, 2001 (the "Reorganization
Agreement"), by and among Maker, Dan's Competition, Inc., an Indiana
corporation, Alloy Acquisition Sub, Inc., a Delaware corporation, Daniel E.
Duckworth ("Dan") and the Holder, and is one of two demand notes issued pursuant
to the Reorganization Agreement, the other of which has been issued to Dan (Dan
and the Holder hereinafter referred to as the "Noteholders").  Pursuant to terms
and conditions set forth in the Registration Rights Agreement of even date
herewith between Maker and the Noteholders (the "Registration Rights
Agreement"), Maker has agreed to use all commercially reasonable efforts to file
a Registration Statement on Form S-3 or any successor thereto for a public
offering of all of the Restricted Stock (as such term is defined in the
Registration Rights Agreement) within thirty (30) days of the consummation of
the transactions contemplated by the Reorganization Agreement, and to use all
commercially reasonable efforts to cause the same to be declared effective by
the Securities Exchange Commission (the "Commission").

     The Holder shall have the ability to demand payment of the Final Principal
Amount of this Note, if any, only during the period beginning on the date which
is exactly thirteen (13) months after the Closing Date (as defined in the
Reorganization Agreement) (the "Anniversary Date") and ending at 5:00 p.m. local
New York, New York time on the date which is exactly sixty (60) days after the
Anniversary Date (the "Expiration Date").

     The contingent principal amount of this Note at any time outstanding (the
"Contingent Principal Amount") shall be determined as follows:  On the date
hereof, this Note shall have a Contingent Principal Amount of $4,800,000.
Thereafter, on the date that is exactly two (2) months after the Closing Date
and on each subsequent monthly anniversary date thereafter up to and including
the Anniversary Date (the monthly period ending on such date that is two months
after the Closing Date and each monthly period thereafter, a "Monthly Period"),
Maker shall calculate a monthly balance (each, a "Monthly Balance"), which shall
be equal to the product of (x) the average closing sale price of one share of
common stock, par value $0.01 per share, of Maker (the "Common Stock") as quoted
on the NASDAQ National Market System for each of the trading days in such
Monthly Period (the "Average Closing Price") multiplied by (y)

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49,382.72 (the "Number Of Monthly Shares"); provided, that if the Common Stock
is not listed for trading on the NASDAQ National Market System for all or any of
the days in such Monthly Period, the average closing sale price of the Common
Stock on any such day shall be equal to the average of the closing bid and asked
prices of the Common Stock on each such day as quoted in the Over-The-Counter
Market Summary or the last reported sale price of the Common Stock on each such
day on the principal exchange or market on which the Common Stock is then listed
for trading, whichever is applicable.

     Notwithstanding the foregoing, if any registration statement covering all
of the Registrable Securities (as such term is defined in the Registration
Rights Agreement) has been filed pursuant to the Registration Rights Agreement
and (A) has not been declared effective by the Commission within thirty (30)
days after the date on which it is filed, or (B) has been declared effective by
the Commission but (i) the ability of the Noteholders to sell shares of Common
Stock pursuant to such registration statement has been suspended as contemplated
by the provisions of Sections 4(c) or 4(e) of the Registration Rights Agreement,
or (ii) the Company has withdrawn such registration statement for any reason
other than one for which one or more of the Noteholders is required to indemnify
the Company pursuant to the provisions of Section 7(b) of the Registration
Rights Agreement and a new registration statement covering all of the
Registrable Securities has not yet been declared effective by the Commission
(the period following the date thirty (30) days after the date on which the
initial registration statement is filed and prior to the date that such
registration statement has been declared effective shall be the "Initial
Suspension Period" and the period during which the Noteholders' ability to sell
shares pursuant to such registration statement has been suspended or during
which such registration statement has been withdrawn and a new registration has
not been declared effective shall be the "Suspension Period"), there shall be no
Average Closing Price calculated for the Initial Suspension Period or Suspension
Period, as applicable, and the Average Closing Price for any Monthly Period
during which the Initial Suspension Period or Suspension Period, as applicable,
has occurred shall equal the greater of (i) the average price per share of
Common Stock obtained by the Noteholders upon all Sales of shares of Common
Stock during such Monthly Period, if any such Sales shall have been effected by
either Noteholder, and (ii) the average closing sale price of one share of
Common Stock for each of the trading days in such Monthly Period other than the
trading days during the Initial Suspension Period or Suspension Period, as
applicable, occurring during such Monthly Period. If (i) there have not been at
least ten (10) trading days in a Monthly Period during which the Initial
Suspension Period or Suspension Period, as applicable, has not been in effect
and (ii) the Noteholders have not otherwise effected any Sales during such
Monthly Period, then a Monthly Balance for such Monthly Period shall not be
calculated, the Contingent Principal Amount of this Note shall not be adjusted
with respect to such Monthly Period, and the Number of Monthly Shares that would
have been subject to the calculation of the Monthly Balance for such Monthly
Period shall be added to the Number of Monthly Shares for purposes of
calculating the Monthly Balances hereunder for each of the remaining Monthly
Periods through the Monthly Period ending on the Anniversary Date on a pro rata
basis based upon the number of remaining Monthly Periods with respect to which a
calculation of a Monthly Balance is scheduled to be made. The foregoing
provisions of this paragraph shall not apply if the affected Monthly Period is
the Monthly Period ending on the Anniversary Date (provided that the Number of
Monthly Shares for purposes of the calculation

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of the Monthly Balance for such Monthly Period may be adjusted in accordance
with the terms of this paragraph).

     At the same time as it calculates each Monthly Balance, Maker shall
calculate the then current Contingent Principal Amount of this Note, which shall
be equal, as of any date, to $4,800,000 less the sum of the Monthly Balances
determined through such date, and shall provide a copy of such calculations to
the Holder. Maker's calculation of the Monthly Balances and the Contingent
Principal Amounts shall be final and binding on Maker and the Holder absent
manifest error.

     Unless this Note earlier shall have been deemed satisfied and cancelled in
accordance with the provisions set forth below, on the Anniversary Date, the
final principal amount of this Note shall become fixed (the "Final Principal
Amount") at an amount equal to the lesser of (i) the then current Contingent
Principal Amount and (ii) an amount equal to (A) $4,800,000 minus (B) an amount
equal to 40 % of the aggregate gross proceeds received (or deemed to have been
received pursuant to the provisions set forth below) by the Noteholders from
Sales (as defined below) by the Noteholders of Common Stock issued by Maker
pursuant to the provisions of the Reorganization Agreement less any brokerage
commissions incurred in connection with such Sales ("Sale Proceeds") during the
period from the Closing Date through and including the Anniversary Date.

     This Note shall be deemed to have been satisfied in full and shall have no
further force or effect after the first to occur of  (A) the Expiration Date, if
the Holder shall not have previously made a demand for payment hereunder, (B)
the date on which the then current Contingent Principal Amount is less than or
equal to zero ($0), (C) on the Anniversary Date if the Final Principal Amount is
less than or equal to zero ($0) and (D) the first date prior to the Anniversary
Date on which the Noteholders shall have received aggregate Sale Proceeds of
$12,000,000 or more.  Upon the satisfaction of this Note pursuant to the
provisions of this paragraph, the Holder shall, at the request of Maker, deliver
this Note to Maker for cancellation.

     In order that Maker may maintain an accurate record of the proceeds
received by the Noteholders from Sales of Common Stock, the Holder covenants to
deliver to Maker written notice of the date, number of shares and gross Sales
proceeds received upon any Sales of Common Stock by the Holder (together with a
statement of brokerage commissions incurred in connection with such Sales) on or
prior to the Anniversary Date within five (5) business days after consummation
of any such Sale. For purposes hereof, a "Sale" shall mean (A) completion of any
agreement to sell any Common Stock, (B) entrance into any contract to sell any
Common Stock prior to the Anniversary Date which has a closing date with respect
to all or any portion of the Common Stock covered thereby after the Anniversary
Date, or (C) a pledge or other disposition of, or the entrance into any
agreement or transaction which is designed to, or might reasonably be expected
to, result in the disposition (whether by actual disposition or effective
economic disposition due to cash settlement or otherwise) of, shares of Common
Stock, including, without limitation, by means of a gift or other transaction
for no consideration; provided, however, that any such gift or conveyance by the
Holder to a family member of the Holder or to an estate planning vehicle of any
sort shall not be deemed a "Sale" for purposes of this Note; provided further,
however, that any sale, transfer, pledge or other disposition by such

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family member or estate planning vehicle that would otherwise constitute a
"Sale" hereunder shall be deemed to constitute a "Sale" for the purposes of this
Note. Notwithstanding the foregoing, if any Sale shall occur (i) in a manner
other than pursuant to an arms' length transaction with a party that is
unrelated to and otherwise unaffiliated with either of the Noteholders and (ii)
at a price that is less than the average closing sale price of the Common Stock
as quoted on the NASDAQ National Market System for each of the five (5) trading
days preceding the date of such Sale (the "Average Sales Price"), then, for
purposes of the provisions of this Note, such Sale shall be deemed to have
occurred at the Average Sales Price.

     Maker will pay on demand, without limitation, all reasonable attorneys'
fees, out-of-pocket expenses reasonably incurred by the Holder's attorneys and
all costs reasonably incurred by the Holder, including, without limitation costs
and expenses associated with travel on behalf of the Holder, which costs and
expenses are directly or indirectly related to the protection or enforcement of
any of the Holder's rights against Maker or any endorser or guarantor of this
Note (whether or not suit is instituted by or against the Holder) following a
breach by Maker of any of its obligations hereunder.

     No delay or omission on the part of the Holder in exercising any right
hereunder shall operate as a waiver of such right or of any other right of the
Holder, nor shall any delay, omission or waiver on any one occasion be deemed a
bar to or waiver of the same or any other right on any future occasion. Maker
and every endorser or guarantor of this Note, regardless of the time, order or
place of signing, waive presentment, demand, protest and notices of every kind
and assents to any extension or postponement of the time or terms of payment
hereunder or any other indulgence, to any substitution, exchange or release of
collateral, and to the addition or release of any other party or person
primarily or secondarily liable.

     None of the terms or provisions of this Note may be excluded, modified, or
amended except by a written instrument duly executed on behalf of the Holder and
Maker expressly referring hereto and setting forth the provisions so excluded,
modified or amended.

     The term "Holder" as used in this Note includes the Holder's heirs,
personal representatives, executors and permitted assigns, provided that, the
Holder may not assign this Note without the prior written consent of Maker. This
Note shall be binding upon Maker and its successors and assigns.

     This Note, together with the Reorganization Agreement and Registration
Rights Agreement, contain the entire agreement among the Holder and Maker with
respect to the matters covered hereby, and supersedes every course of dealing,
other conduct, oral agreement and representation previously made by the Holder.
Each provision of this Note shall be interpreted as consistent with existing
law, and shall be deemed amended to the extent necessary to comply with any
conflicting law. If a Court deems any provision invalid, the remainder of this
Note shall remain in full force and effect.

     ALL RIGHTS AND OBLIGATIONS HEREUNDER SHALL BE GOVERNED BY THE LAWS OF THE
STATE OF NEW YORK, WITHOUT REGARD TO ITS CONFLICTS OF LAWS PROVISIONS.

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     MAKER AND THE HOLDER HEREBY IRREVOCABLY AND UNCONDITIONALLY WAIVE ALL
RIGHTS TO TRIAL BY JURY IN ANY LEGAL ACTION, PROCEEDING OR COUNTERCLAIM BROUGHT
BY THE HOLDER AGAINST MAKER ON ANY MATTER WHATSOEVER ARISING OUT OF, IN
CONNECTION WITH OR RELATED TO THIS NOTE.

                 [Remainder of Page Intentionally Left Blank]

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     IN WITNESS WHEREOF, the undersigned has caused this Note to be executed by
its duly authorized officer as of the date first above written.

                                     ALLOY, INC.

                                     /s/ Matthew C. Diamond
                                     -------------------------------------------
                                     (Signature)

                                     By: Matthew C. Diamond
                                         ---------------------------------------
                                     (Print or type name)

                                     Its: Chairman/CEO
                                          --------------------------------------
                                     (Title or Capacity)

                                       6<PAGE>

                                                                    Exhibit 10.1

                           RIVERSTONE NETWORKS, INC.
                         EMPLOYEE STOCK PURCHASE PLAN

SECTION 1.  PURPOSE OF PLAN
            ---------------

     The Riverstone Networks, Inc. Employee Stock Purchase Plan (the "Plan") is
intended to provide a method by which eligible employees of Riverstone Networks,
Inc. ("Riverstone") and such of its Subsidiaries as the Board of Directors of
Riverstone (the "Board") may from time to time designate (Riverstone and such
Subsidiaries being hereinafter referred to as the "Company") may use voluntary,
systematic payroll deductions to purchase shares of common stock, $.01 par value
of Riverstone (such common stock being hereafter referred to as "Stock") and
thereby acquire an interest in the future of Riverstone.  For purposes of the
Plan, a "Subsidiary" is any corporation that would be treated as a subsidiary of
Riverstone under Section 424(f) of the Internal Revenue Code of 1986, as amended
(the "Code").  The Plan is intended to qualify under Section 423 of the Code and
shall be construed accordingly.

SECTION 2.  OPTIONS TO PURCHASE STOCK
            -------------------------

     Subject to adjustment as provided in Section 14, the maximum number of
shares of Stock that may be delivered under the Plan pursuant to the exercise of
options ("Options") granted hereunder is 1,000,000 shares plus an additional
500,000 shares effective as of the first day of Riverstone's fiscal year ending
in each of 2003, 2004, 2005 and 2006.  Options shall be granted under the Plan
to employees of the Company ("Employees") who meet the eligibility requirements
set forth in Section 3 hereof ("Eligible Employees").  The Stock to be delivered
upon exercise of Options under the Plan may be either shares of authorized but
unissued Stock or shares of reacquired Stock, as the Board may determine.
<PAGE>

SECTION 3.  ELIGIBLE EMPLOYEES
            ------------------

     Subject to the exceptions and limitations set forth below, all Employees
are eligible to participate in the Plan.

     (a)  Any Employee who immediately after the grant of an Option would own
(or pursuant to Section 423(b)(3) of the Code would be deemed to own) stock
possessing 5% or more of the total combined voting power or value of all classes
of stock of the employer corporation or of its parent or subsidiary
corporations, as defined in Section 424 of the Code, will not be eligible to
receive an Option to purchase Stock pursuant to the Plan.

     (b)  No Employee will be granted an Option under the Plan that would permit
his or her rights to purchase shares of stock under all employee stock purchase
plans of the employer corporation and parent and subsidiary corporations to
accrue at a rate which exceeds $25,000 in fair market value of such stock
(determined at the time the Option is granted) for each calendar year during
which any such Option granted to such Employee is outstanding at any time, as
provided in Section 423 of the Code.

SECTION 4.  METHOD OF PARTICIPATION
            -----------------------

     Each person who will be an Eligible Employee on the first day of an Option
Period may elect to participate in the Plan for that Option Period by executing
and delivering, by such deadline prior thereto as the Board may specify, such
enrollment forms, including a payroll deduction authorization in accordance with
Section 5, as the Board may determine.  An Eligible Employee who elects to
participate in the Plan for an Option Period in accordance with the foregoing
will thereby become a participant ("Participant") on the first day of the Option
Period and will remain a Participant until his or her participation is
terminated as provided in the Plan.

     The Plan shall operate on the basis of consecutive six-month Option Periods
commencing October 8/th/ or April 8th and ending (unless abbreviated pursuant
to Section 16) on the next following April 7/th/ or October 7th.

SECTION 5.  PAYROLL DEDUCTION
            -----------------

     Each payroll deduction authorization will request withholding at a rate (in
whole percentages) of not less than 1% nor more than 10% of Compensation per
payroll period, to be accomplished by means of payroll deductions over each
Option Period (as defined in Section 8 below) with respect to payroll dates
within the Option Period.  "Compensation" for this purpose shall include and be
limited to base salary and sales commissions.  A Participant may (i) change the
withholding rate of his or her payroll deduction authorization by written notice
delivered to the Company on or before the deadline specified by the Board for
the Option Period as to which the change is to be
<PAGE>

effective, and (ii) not more than once during an Option Period may reduce (but
not increase) his or her payroll withholding percentage (within the limits
described in the first sentence of this Section 5) with respect to the remainder
of such Option Period. All amounts withheld in accordance with a Participant's
payroll deduction authorization will be credited to a withholding account
maintained in the Participant's name on the books of the Company. Amounts
credited to the withholding account shall not be required to be set aside in
trust or otherwise segregated from the Company's general assets, and shall not
bear interest.

SECTION 6.  GRANT OF OPTIONS
            ----------------

     Subject to Section 3(b), each person who is a Participant on the first day
of an Option Period (the "applicable Period") will be granted, as of such day
and for the applicable Period, an Option entitling the Participant to purchase
up to, and the right to purchase Stock under the Option will be deemed to accrue
for the number of shares equal to, the lesser of (i) and (ii), where

     (i)    is the remainder obtained by subtracting (A) the number of shares of
            Stock, if any, purchased for any earlier Option Period ending in the
            same calendar year, from (B) the number of shares of Stock obtained
            by dividing $25,000 by the fair market value of one share of Stock
            on the first day of the applicable Period, rounded down to the
            nearest whole share, and

     (ii)   is the number of shares of Stock obtained by dividing the balance of
            the Participant's withholding account on the last day of the
            applicable Period by the per share exercise price for such Period,
            and rounding down to the nearest whole share;

provided, that the Board in its discretion may further limit the number of
shares of Stock subject to Options for any Option Period.  Option grants under
this Section 6 shall be automatic and need not be separately documented.

SECTION 7.  PURCHASE PRICE
            --------------

     The purchase price of Stock issued pursuant to the exercise of an Option
will be 85% of the fair market value of the Stock on (a) the date of grant of
the Option or (b) the date on which the Option is deemed exercised, whichever is
less.  Fair market value for any day will mean the Closing Price of the Stock
for such day; provided, that if such day is not a trading day, fair market value
shall mean the Closing Price of the Stock for the next preceding day which is a
trading day.  The "Closing Price" of the Stock on any trading day will be the
last sale price, regular way, with respect to such Stock, or, in case no such
sale takes place on such day, the average of the closing bid and asked prices,
regular way, with respect to such Stock, in either case as reported in the
principal consolidated transaction reporting system with respect to securities
listed or admitted to trading on the New York Stock Exchange; or, if such Stock
is not listed or admitted to trading on the New York Stock Exchange, as reported
in the principal consolidated transaction reporting system with respect to
securities listed
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or admitted to trading on the New York Stock Exchange; or, if such Stock is not
listed or admitted to trading on the New York Stock Exchange, as reported in the
principal consolidated transaction reporting system with respect to securities
listed on the principal national securities exchange on which such Stock is
listed or admitted to trading; or, if such Stock is not listed or admitted to
trading, the last quoted price with respect to such Stock, or, if not so quoted,
the average of the high bid and low asked prices in the over-the-counter market
with respect to such Stock, as reported by the National Association of
Securities Dealers, Inc. Automated Quotation System or such other similar system
then in use; or, if on any such date such Stock is not quoted by any such
organization, the average of the closing bid and asked prices with respect to
such Stock, as furnished by a professional market maker making a market in such
Stock selected by the Board in good faith; or, if no such market maker is
available, the fair market value of such Stock as of such day as determined in
good faith by the Board.

SECTION 8.  EXERCISE OF OPTIONS
            -------------------

     If an Employee is a Participant in the Plan on the last day of an Option
Period, he or she will be deemed to have exercised the Option granted to him or
her for that Period, unless such Option shall earlier have been canceled
pursuant to Section 9.  Upon such exercise, Riverstone will apply the balance of
the Participant's withholding account to the purchase of the maximum whole
number of shares of Stock available for purchase therewith under the Option (as
determined pursuant to Section 6) and as soon as practicable thereafter will
issue and deliver a certificate or certificates for the purchased shares (or
will otherwise evidence the transfer of ownership of said shares) to the
Participant and will return to him or her the balance, if any, of his or her
withholding account in excess of the total purchase price of the shares so
issued; provided, that if the balance left in the account consists solely of an
amount equal to the value of a fractional share it will be retained in the
Account and carried over to the next Option Period.

     Notwithstanding anything herein to the contrary, Riverstone's obligation to
issue and deliver shares of Stock under the Plan will be subject to the approval
required of any governmental authority in connection with the authorization,
issuance, sale or transfer of said shares, to any requirements of any national
securities exchange applicable thereto, and to compliance by Riverstone with
other applicable legal requirements in effect from time to time.

SECTION 9.  CANCELLATION AND WITHDRAWAL
            ---------------------------

     A Participant who holds an Option under the Plan may at any time prior to
exercise thereof under Section 8 cancel all (but not less than all) of his or
her Options by written notice delivered to the Company.  Upon such cancellation,
the balance in the Participant's withholding account will be returned to the
Participant.
<PAGE>

     A Participant may terminate his or her payroll deduction authorization as
of any date by written notice delivered to the Company prior to such date.  A
Participant who voluntarily terminates his or her payroll deduction
authorization prior to the last day of an Option Period will be deemed to have
canceled all of his or her Options then outstanding.

SECTION 10.  TERMINATION OF EMPLOYMENT
             -------------------------

     Except as otherwise provided in Section 11, upon the termination of a
Participant's employment with the Company for any reason, he or she will cease
to be a Participant, any Option held by him or her under the Plan will be deemed
canceled, the balance of his or her withholding account will be returned, and he
or she will have no further rights under the Plan.

SECTION 11.  DEATH OF PARTICIPANT
             --------------------

     A Participant may elect that if death should occur during an Option Period
the balance, if any, of the Participant's withholding account at the time of
death will be applied at the end of the Period to the exercise of the
Participant's Option and the shares thereby purchased under the Option (plus any
balance remaining in the Participant's withholding account) will be delivered to
the Participant's beneficiary or beneficiaries.  If the Participant has more
than one beneficiary, the Company will determine the allocation among them and
its determination will be final and binding on all persons.  Except as otherwise
determined by the Board (which may establish a procedure for the designation of
beneficiaries under the Plan), a Participant's beneficiary(ies) for purposes of
the Plan shall be (i) such person or persons as are treated as the Participant's
beneficiary(ies) for purposes of the Company group life insurance plan
applicable to the Participant, or (ii) in the absence of any beneficiary
determined under clause (i) or other designated beneficiary, the Participant's
estate.

SECTION 12.  EQUAL RIGHTS; PARTICIPANT'S RIGHTS NOT TRANSFERABLE
             ---------------------------------------------------

     All Participants granted Options under the Plan with respect to any Option
Period will have the same rights and privileges.  Each Participant's rights and
privileges under any Option granted under the Plan will be exercisable during
the Participant's lifetime only by him or her and except as provided at Section
11 above may not be sold, pledged, assigned, or transferred in any manner.  In
the event any Participant violates or attempts to violate the terms of this
Section, any Options held by him or her may be terminated by the Company and,
upon return to the Participant of the balance of his or her withholding account,
all of the Participant's rights under the Plan will terminate.

SECTION 13.  EMPLOYMENT RIGHTS
             -----------------
<PAGE>

     Nothing contained in the provisions of the Plan will be construed as giving
to any Employee any right of employment or as interfering with the right of the
Company to discharge any Employee at any time.

SECTION 14.  CHANGE IN CAPITALIZATION
             ------------------------

     In the event of any change in the outstanding Stock of Riverstone by reason
of a stock dividend, split-up, recapitalization, merger, consolidation,
reorganization, or other capital change, the aggregate number and type of shares
available under the Plan, the number and type of shares under Options granted
but not exercised, the maximum number and type of shares purchasable under an
Option, and the Option price will be appropriately adjusted.

SECTION 15.  ADMINISTRATION OF PLAN
             ----------------------

     The Plan will be administered by the Board, which will have the right to
determine any matters which may arise regarding the interpretation and
application of the provisions of the Plan and to make, administer, and interpret
such rules and regulations as it deems necessary or advisable.  References in
the Plan to the Board shall include the Board's delegates to the extent of any
delegation by the Board to such delegates of administrative responsibilities
hereunder.

SECTION 16.  AMENDMENT AND TERMINATION OF PLAN
             ---------------------------------

     Riverstone reserves the right at any time to amend the Plan in any manner
it may deem advisable, by vote of the Board; provided, that any amendment that
would be treated as the adoption of a new plan for purposes of Section 423 of
the Code will have no effect unless approved by the shareholders of Riverstone
within twelve months before or after its adoption.

     The Plan may be suspended or terminated at any time by the Board.  In
connection therewith, the Board may either cancel outstanding Options or
continue them and provide that they will be exercisable either at the end of the
Option Period or on such earlier date as the Board may specify (in which case
such earlier date shall be treated as the last day of the applicable Option
Period).

SECTION 17.  APPROVAL OF SHAREHOLDERS
             ------------------------

     The Plan and the exercisability of Options granted hereunder will be
subject to the approval of the shareholders of Riverstone obtained within twelve
months before or after the date the Plan is adopted by the Board.

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