Document:

PROMISSORY NOTE

Borrower:   HEADWATERS INCORPORATED
11778 ELECTION DRIVE, SUITE 210
SALT LAKE CITY, UT  84020

Lender:  ZIONS FIRST NATIONAL BANK
HEAD OFFICE/COMMERCIAL BANKING
2460 SOUTH 3270 WEST
WEST VALLEY CITY, UT  84119

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

Principal Amount:  $10,000,000.00                          Initial Rate:  9.250%
                                              Date  of  Note:   February 1, 2001

PROMISE TO PAY. HEADWATERS INCORPORATED ("Borrower") promises to pay to ZIONS
FIRST NATIONAL BANK ("Lender"), or order, in lawful money of the United States
of America, the principal amount of Ten Million & 00/100 Dollars
($10,000,000.00) or so much as may be outstanding, together with interest on the
unpaid outstanding principal balance of each advance. Interest shall be
calculated from the date of each advance until repayment of each advance.

PAYMENT. Borrower will pay this loan in one payment of all outstanding principal
plus all accrued unpaid interest on October 31, 2002. In addition, Borrower will
pay regular monthly payments of accrued unpaid interest beginning March 1, 2001,
and all subsequent interest payments are due on the same day of each month after
that. The annual interest rate for this Note is computed on a 365/360 basis;
that is, by applying the ratio of the annual interest rate over a year of 360
days, multiplied by the outstanding principal balance, multiplied by the actual
number of days the principal balance is outstanding. Borrower will pay Lender at
Lender's address shown above or at such other place as Lender may designate in
writing. Unless otherwise agreed or required by applicable law, payments will be
applied first to any unpaid collection costs and any late charges, then to any
unpaid interest, and any remaining amount to principal.

VARIABLE INTEREST RATE. The interest rate on this Note is subject to change from
time to time based on changes in an index which is the ZIONS FIRST NATIONAL BANK
PRIME RATE (the "Index"). "PRIME RATE" MEANS AN INDEX WHICH IS DETERMINED DAILY
BY THE PUBLISHED COMMERCIAL LOAN VARIABLE RATE INDEX HELD BY ANY TWO OF THE
FOLLOWING BANKS: CHASE MANHATTAN BANK, WELLS FARGO BANK N.A., AND BANK OF
AMERICA, N.A. IN THE EVENT NO TWO OF THE ABOVE BANKS HAVE THE SAME PUBLISHED
RATE, THE BANK HAVING THE MEDIAN RATE WILL ESTABLISH LENDERS' PRIME RATE. IF,
FOR ANY REASON BEYOND THE CONTROL OF LENDER, ANY OF THE AFOREMENTIONED BANKS
BECOMES UNACCEPTABLE AS A REFERENCE FOR THE PURPOSE OF DETERMINING THE PRIME
RATE USED HEREIN, LENDER MAY, FIVE DAYS AFTER POSTING NOTICE IN LENDERS OFFICES,
SUBSTITUTE ANOTHER COMPARABLE BANK FOR THE ONE DETERMINED UNACCEPTABLE. AS USED
IN THIS PARAGRAPH, "COMPARABLE BANK" SHALL MEAN ONE OF THE TEN LARGEST
COMMERCIAL BANKS HEADQUARTERED IN THE UNITED STATES OF AMERICA. THIS DEFINITION
OF PRIME RATE IS TO BE STRICTLY INTERPRETED AND IS NOT INTENDED TO SERVE ANY
PURPOSE OTHER THAN PROVIDING AN INDEX TO DETERMINE THE VARIABLE INTEREST RATE
USED HEREIN. IT IS NOT THE LOWEST RATE AT WHICH LENDER MAY MAKE LOANS TO ANY OF
ITS CUSTOMERS, EITHER NOW OR IN THE FUTURE.. Lender will tell Borrower the
current Index rate upon Borrower's request. Borrower understands that Lender may
make loans based on other rates as well. The interest rate change will not occur
more often than each DAY. The Index currently is 8.500% per annum. The interest
rate to be applied to the unpaid principal balance of this Note will be at a
rate of .750 percentage points over the Index, resulting in an initial rate of
9.250% per annum. NOTICE: Under no circumstances will the interest rate on this
Note be more than the maximum rate allowed by applicable law.

PREPAYMENT. Borrower agrees that all loan fees and other prepaid finance charges
are earned fully as of the date of the loan and will not be subject to refund
upon early payment (whether voluntary or as a result of default), except as
otherwise required by law. Except for the foregoing, Borrower may pay without
penalty all or a portion of the amount owed earlier than it is due. Early
payments will not, unless agreed to by Lender in writing, relieve Borrower of
Borrower's obligation to continue to make payments of accrued unpaid interest.
Rather, they will reduce the principal balance due.

DEFAULT. Borrower will be in default if any of the following happens: (a)
Borrower fails to make any payment when due. (b) Borrower breaks any promise
Borrower has made to Lender, or Borrower fails to comply with or to perform when
due any other term, obligation, covenant, or condition contained in this Note or
any agreement related to this Note, or in any other agreement or loan Borrower
has with Lender. (c) Any representation or statement made or furnished to Lender
by Borrower or on Borrower's behalf is false or misleading in any material
respect either now or at the time made or furnished. (d) Borrower becomes
insolvent, a receiver is appointed for any part of Borrower's property, Borrower
makes an assignment for the benefit of creditors, or any proceeding is commenced
either by Borrower or against Borrower under any bankruptcy or insolvency laws.
(e) Any creditor tries to take any of Borrower's property on or in which Lender
has a lien or security interest. This includes a garnishment of any of
Borrower's accounts with Lender. (f) Any guarantor dies or any of the other
events described in this default section occurs with respect to any guarantor of
this Note. (g) A material adverse change occurs in Borrower's financial
condition, or Lender believes the prospect of payment or performance of the
Indebtedness is impaired. (h) Lender in good faith deems itself insecure. If any
default, other than a default in payment, is curable, it may be cured (and no
event of default will have occurred) if Borrower, after receiving written notice
from Lender demanding cure of such default: (a) cures the default within thirty
(30) days; or (b) if the cure requires more than thirty (30) days, immediately
initiates steps which Lender deems in Lender's sole discretion to be sufficient
to cure the default and thereafter continues and completes all reasonable and
necessary steps sufficient to produce compliance as soon as reasonably
practical.

<PAGE>

LENDER'S RIGHTS. Upon default, Lender may declare the entire unpaid principal
balance on this Note and all accrued unpaid interest immediately due, without
notice, and then Borrower will pay that amount. Upon default, including failure
to pay upon final maturity, Lender, at its option, may also, if permitted under
applicable law, increase the variable interest rate on this Note to 4.750
percentage points over the Index. The interest rate will not exceed the maximum
rate permitted by applicable law. Lender may hire or pay someone else to help
collect this Note if Borrower does not pay. Borrower also will pay Lender that
amount. This includes, subject to any limits under applicable law, Lender's
reasonable attorneys' fees and Lender's legal expenses whether or not there is a
lawsuit, including reasonable attorneys' fees and legal expenses for bankruptcy
proceedings (including efforts to modify or vacate any automatic stay or
injunction), appeals, and any anticipated post-judgment collection services. If
not prohibited by applicable law, Borrower also will pay any court costs, in
addition to all other sums provided by law. This Note has been delivered to
Lender and accepted by Lender in the State of Utah.

If there is a lawsuit, Borrower agrees upon Lender's request to submit to the
jurisdiction of the courts of SALT LAKE County, the State of Utah. Subject to
the provisions on arbitration, this Note shall be governed by and construed in
accordance with the laws of the State of Utah.

RIGHT OF SETOFF. Borrower grants to Lender a contractual security interest in,
and hereby assigns, conveys, delivers, pledges, and transfers to Lender all
Borrower's right, title and interest in and to, Borrower's accounts with Lender
(whether checking, savings, or some other account), including without limitation
all accounts held jointly with someone else and all accounts Borrower may open
in the future, excluding however all IRA and Keogh accounts, and all trust
accounts for which the grant of a security interest would be prohibited by law.
Borrower authorizes Lender, to the extent permitted by applicable law, to charge
or setoff all sums owing on this Note against any and all such accounts.

LINE OF CREDIT. This Note evidences a revolving line of credit. Advances under
this Note may be requested orally by Borrower or by an authorized person. Lender
may, but need not, require that all oral requests be confirmed in writing. All
communications, instructions, or directions by telephone or otherwise to Lender
are to be directed to Lender's office shown above. The following party or
parties are authorized to request advances under the line of credit until Lender
receives from Borrower at Lender's address shown above written notice of
revocation of their authority: STEVEN G. STEWART, CFO. Borrower agrees to be
liable for all sums either: (a) advanced in accordance with the instructions of
an authorized person or (b) credited to any of Borrower's accounts with Lender.
The unpaid principal balance owing on this Note at any time may be evidenced by
endorsements on this Note or by Lender's internal records, including daily
computer print-outs. Lender will have no obligation to advance funds under this
Note if: (a) Borrower or any guarantor is in default under the terms of this
Note or any agreement that Borrower or any guarantor has with Lender, including
any agreement made in connection with the signing of this Note; (b) Borrower or
any guarantor ceases doing business or is insolvent; (c) any guarantor seeks,
claims or otherwise attempts to limit, modify or revoke such guarantor's
guarantee of this Note or any other loan with Lender; (d) Borrower has applied
funds provided pursuant to this Note for purposes other than those authorized by
Lender; or (e) Lender in good faith deems itself insecure under this Note or any
other agreement between Lender and Borrower.

ARBITRATION DISCLOSURES:

1.       ARBITRATION  IS FINAL AND  BINDING ON THE  PARTIES  AND SUBJECT TO ONLY
         VERY LIMITED REVIEW BY A COURT.

2.       IN  ARBITRATION  THE  PARTIES  ARE  WAIVING  THEIR RIGHT TO LITIGATE IN
         COURT, INCLUDING THEIR RIGHT TO A JURY TRIAL.

3.       DISCOVERY IN ARBITRATION IS MORE LIMITED THAN DISCOVERY IN COURT.

4.       ARBITRATORS  ARE NOT  REQUIRED  TO INCLUDE  FACTUAL  FINDINGS  OR LEGAL
         REASONING IN THEIR AWARDS.  THE RIGHT TO APPEAL OR TO SEEK MODIFICATION
         OF ARBITRATORS' RULINGS IS VERY LIMITED.

5.       A PANEL  OF  ARBITRATORS  MIGHT  INCLUDE  AN  ARBITRATOR  WHO IS OR WAS
         AFFILIATED WITH THE BANKING INDUSTRY.

6.       IF YOU HAVE QUESTIONS ABOUT  ARBITRATION,  CONSULT YOUR ATTORNEY OR THE
         AMERICAN ARBITRATION ASSOCIATION.

(a) Any claim or controversy ("Dispute") between or among the parties and their
assigns, including but not limited to Disputes arising out of or relating to
this agreement, this arbitration provision ("arbitration clause"), or any
related agreements or instruments relating hereto or delivered in connection
herewith ("Related Documents"), and including but not limited to a Dispute based
on or arising from an alleged tort, shall at the request of any party be
resolved by binding arbitration in accordance with the applicable arbitration
rules of the American Arbitration Association (the "Administrator"). The
provisions of this arbitration clause shall survive any termination, amendment,
or expiration of this agreement or Related Documents. The provisions of this
arbitration clause shall supersede any prior arbitration agreement between or
among the parties. If any provision of this arbitration clause should be
determined to be unenforceable, all other provisions of this arbitration clause
shall remain in full force and effect.

(b) The arbitration proceedings shall be conducted in Salt Lake City, Utah, at a
place to be determined by the Administrator. The Administrator and the
arbitrator(s) shall have the authority to the extent practicable to take any
action to require the arbitration proceeding to be completed and the
arbitrator(s)' award issued within one hundred fifty (150) days of the filing of
the Dispute with the Administrator. The arbitrator(s) shall have the authority
to impose sanctions on any party that fails to comply with time periods imposed
by the Administrator or the arbitrator(s), including the sanction of summarily
dismissing any Dispute or defense with prejudice. The arbitrator(s) shall have
the authority to resolve any Dispute regarding the terms of this agreement, this
arbitration clause or Related Documents, including any claim or controversy
regarding the arbitrability of any Dispute. All limitations periods applicable
to any Dispute or defense, whether by statute or agreement, shall apply to any
arbitration proceeding hereunder and the arbitrator(s) shall have the authority
to decide whether any Dispute or defense is barred by a limitations period and,
if so, to summarily enter an award dismissing any Dispute or defense on that
basis. The doctrines of compulsory counterclaim, res judicata, and collateral
estoppel shall apply to any arbitration proceeding hereunder so that a party
must state as a counterclaim in the arbitration proceeding any claim or
controversy which arises out of the transaction or occurrence that is the
subject matter of the Dispute. The arbitrator(s) may in the arbitrator(s)'
discretion and at the request of any party: (1) consolidate in a single
arbitration proceeding any other claim or controversy involving another party
that is substantially related to the Dispute where that other party is bound by
an arbitration clause with the Lender, such as borrowers, guarantors, sureties,
and owners of collateral; (2) consolidate in a single arbitration proceeding any
other claim or controversy that is substantially similar to the Dispute; and (3)
administer multiple arbitration claims or controversies as class actions in
accordance with the provisions of Rule 23 of the Federal Rules of Civil
Procedure.

(c) The arbitrator(s) shall be selected in accordance with the rules of the
Administrator from panels maintained by the Administrator. A single arbitrator
shall have expertise in the subject matter of the Dispute. Where three
arbitrators conduct an arbitration proceeding, the Dispute shall be decided by a
majority vote of the three arbitrators, at least one of whom must have expertise
in the subject matter of the Dispute and at least one of whom must be a
practicing attorney. The arbitrator(s) shall award to the prevailing party
recovery of all costs and fees (including attorneys' fees and costs, arbitration
administration fees and costs, and arbitrator(s)' fees). The arbitrator(s),
either during the pendency of the arbitration proceeding or as part of the
arbitration award, also may grant provisional or ancillary remedies, including
but not limited to an award of injunctive relief, foreclosure, sequestration,
attachment, replevin, garnishment, or the appointment of a receiver.

                                       2
<PAGE>

(d) Judgment upon an arbitration award may be entered in any court having
jurisdiction, subject to the following limitation: the arbitration award is
binding upon the parties only if the amount does not exceed Four Million Dollars
($4,000,000.00); if the award exceeds that limit, either party may demand the
right to a court trial. Such a demand must be filed with the Administrator
within thirty (30) days following the date of the arbitration award; if such a
demand is not made within that time period, the amount of the arbitration award
shall be binding. The computation of the total amount of an arbitration award
shall include amounts awarded for attorneys' fees and costs, arbitration
administration fees and costs, and arbitrator(s)' fees.

(e) No provision of this arbitration clause, nor the exercise of any rights
hereunder, shall limit the right of any party to: (1) judicially or
non-judicially foreclose against any real or personal property collateral or
other security; (2) exercise self-help remedies, including but not limited to
repossession and setoff rights; or (3) obtain from a court having jurisdiction
thereover any provisional or ancillary remedies, including but not limited to
injunctive relief, foreclosure, sequestration, attachment, replevin,
garnishment, or the appointment of a receiver. Such rights can be exercised at
any time, before or during initiation of an arbitration proceeding, except to
the extent such action is contrary to the arbitration award. The exercise of
such rights shall not constitute a waiver of the right to submit any Dispute to
arbitration, and any claim or controversy related to the exercise of such rights
shall be a Dispute to be resolved under the provisions of this arbitration
clause. Any party may initiate arbitration with the Administrator; however, if
any party initiates litigation and another party disputes any allegation in that
litigation, the disputing party--upon the request of the initiating party--must
file a demand for arbitration with the Administrator and pay the Administrator's
filing fee. The parties may serve by mail a notice of an initial motion for an
order of arbitration. (f) Notwithstanding the applicability of any other law to
this agreement, the arbitration clause, or Related Documents between or among
the parties, the Federal Arbitration Act, 9 U.S.C. Section 1 et seq., shall
apply to the construction and interpretation of this arbitration clause.

GENERAL PROVISIONS. Lender may delay or forgo enforcing any of its rights or
remedies under this Note without losing them. Borrower and any other person who
signs, guarantees or endorses this Note, to the extent allowed by law, waive
presentment, demand for payment, protest and notice of dishonor. Upon any change
in the terms of this Note, and unless otherwise expressly stated in writing, no
party who signs this Note, whether as maker, guarantor, accommodation maker or
endorser, shall be released from liability. All such parties agree that Lender
may renew or extend (repeatedly and for any length of time) this loan, or
release any party or guarantor or collateral; or impair, fail to realize upon or
perfect Lender's security interest in the collateral; and take any other action
deemed necessary by Lender without the consent of or notice to anyone. All such
parties also agree that Lender may modify this loan without the consent of or
notice to anyone other than the party with whom the modification is made.

PRIOR TO SIGNING THIS NOTE, BORROWER READ AND UNDERSTOOD ALL THE PROVISIONS OF
THIS NOTE, INCLUDING THE VARIABLE INTEREST RATE PROVISIONS. BORROWER AGREES TO
THE TERMS OF THE NOTE AND ACKNOWLEDGES RECEIPT OF A COMPLETED COPY OF THE NOTE.

COLLATERAL:  THIS  PROMISSORY  NOTE  IS  SECURED  BY IN  ADDITION  TO ANY  OTHER
COLLATERAL,  A COMMERCIAL PLEDGE AGREEMENT AND A COMMERCIAL  SECURITY  AGREEMENT
BOTH DATED OCTOBER 18, 2000.

PRIOR NOTE: THIS IS A RENEWAL OF A PROMISSORY NOTE FROM HEADWATERS  INCORPORATED
TO  LENDER  DATED  OCTOBER  18,  2000,  IN  THE  ORIGINAL  PRINCIPAL  AMOUNT  OF
$8,000,000.00.

LOAN AGREEMENT: THIS NOTE IS MADE IN REFERENCE TO A LOAN AGREEMENT DATED OCTOBER
18, 2000, AS AMENDED.

BORROWER:  HEADWATERS INCORPORATED

By: /s/ Kirk A. Benson
    -------------------------------
    KIRK A. BENSON, CHAIRMAN & CEO

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

                                       3April 25, 2001

Mr. Henry Val
133 Wyncrest Avenue
Marlboro, New Jersey 07746

     Re:     Agreement between Segway VI Corp. and Henry Val

Dear Mr. Val:

The following sets forth the agreement between Segway VI Corp. ("SEGWAY") and
Henry Val ("VAL"):

     1. VAL agrees to purchase 5,000,000 restricted common shares of SEGWAY at
the value of $.0004 per share for a purchase price of $2,000.00.

     2.  Upon the receipt of $2,000.00, SEGWAY will tender
the shares from treasury to VAL.

     3. VAL represents that he is an "accredited investor" as defined under the
1933 Securities Act. In addition, VAL has been provided with access to all
documents of SEGWAY.

     4. Notice shall be given by certified mail, return receipt requested, the
date of notice being deemed the date of postmarking. Notices, unless either
party has notified the other party of an alternative address as provided
hereunder, shall be sent to the address set forth herein.

     5. In the event that any term, covenant, condition, or other provision
contained herein is held to be invalid, void or otherwise unenforceable by any
court of competent jurisdiction, the invalidity of any such term, covenant,
condition, provision or Agreement shall in no way affect any other term,
covenant, condition or provision or Agreement contained herein, which shall
remain in full force and effect.

<PAGE>

     6. This Agreement contains all of the terms agreed upon by the parties with
respect to the subject matter hereof. This Agreement has been entered into after
full investigation.

     7. This Agreement shall be construed in accordance with and governed by the
laws of the State of New Jersey applicable to agreements made and to be
performed within the State of New Jersey without giving the effect to the
conflict of law principals thereof.

     8. No amendments or additions to this Agreement shall be binding unless in
writing, signed by both parties, except as herein otherwise provided.

     9. Neither party may assign nor delegate any of its rights or obligations
hereunder without first obtaining the written consent of the other party.

Very truly yours,

ANSLOW & JACLIN, LLP

By: /s/ Ross A. Goldstein
--------------------------------
        ROSS A. GOLDSTEIN

RAG/tp

ACCEPTED AND AGREED TO BY:  ACCEPTED AND AGREED TO BY:

SEGWAY VI CORP.

By: /s/ Richard I. Anslow     By: /s/ Henry Val
--------------------------    ------------------------------
        RICHARD I. ANSLOW             HENRY VAL
        PRESIDENT

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