Document:

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                                                                    Exhibit 10.7

                                  VASTERA, INC.

                        INCENTIVE STOCK OPTION AGREEMENT

         1. GRANT OF OPTION. Vastera, Inc., a Delaware corporation (the
"Company"), hereby grants to XX (the "Optionee") an option (the "Option"),
pursuant to the Company's 1996 Stock Option Plan (the "Plan"), to purchase an
aggregate of XXX (X,XXX) shares of common stock, par value $.01 per share (the
"Common Stock"), of the Company at a price of $X.XX per share, purchasable as
set forth in, and subject to the terms and conditions of, this agreement (the
"Agreement") and the Plan. Except where the context otherwise requires, the term
"Company" shall include the parent and all subsidiaries of the Company as
defined in Sections 424(e) and 424(f) of the Internal Revenue Code of 1986, as
amended (the "Code").

         2. INCENTIVE STOCK OPTION. This Option is intended to qualify as an
incentive stock option ("Incentive Stock Option") within the meaning of Section
422 of the Code.

         3. EXERCISE OF OPTION AND PROVISIONS FOR TERMINATION.

                  (a) VESTING SCHEDULE. Except as otherwise provided in this
Agreement, this Option may be exercised prior to the tenth anniversary of the
date of grant (hereinafter the "Expiration Date"). The Option granted hereby
shall vest as to XXX (XXX) shares effective as of XXX XX, XXXX thereafter the
Option shall vest on the last day of each month in equal installments of XXX
(XX) shares per month until XXX XX, XXXX, upon which time the Option shall be
fully vested. The right of exercise shall be cumulative so that if the Option is
not exercised to the maximum extent permissible during any exercise period it
shall be exercisable, in whole or in part, with respect to all shares not so
purchased at any time prior to the Expiration Date or the earlier termination of
this Option.

         Notwithstanding anything to the contrary contained in the foregoing
paragraph, in the event of the death or disability of the Optionee, as set forth
herein, all shares of Common Stock that would have been vested during the
Exercise Period that would have next occurred had the Optionee not died or
become disabled shall vest and be exercisable immediately pursuant to the terms
of subsection 3(e) hereof.

         This Option may not be exercised at any time on or after the Expiration
Date.

                  (b) EXERCISE PROCEDURE. Subject to the conditions set forth in
this Agreement, this Option shall be exercised by the Optionee's delivery of
written notice of exercise to the Treasurer of the Company specifying the number
of shares to be purchased and the purchase price to be paid therefor and
accompanied by payment in full in accordance with Section 4. Such exercise shall
be effective upon receipt by the Treasurer of the Company of such written notice
together with the required payment. The Optionee may purchase fewer than the
total number of shares covered hereby, provided that no partial exercise of this
Option may be for any fractional share or for fewer than ten (10) whole shares.

                  (c) CONTINUOUS EMPLOYMENT REQUIRED. Except as otherwise
provided in this Section 3, this Option may not be exercised unless the
Optionee, at the time he or she exercises this Option, is, and has been at all
times since the date of grant of this Option, employed by the Company. For all
purposes of this Option, (I) "employment" shall be defined in accordance with
the provisions of Section 1.421-7(h) of the Income Tax Regulations (or any
successor regulations), and (ii) if this Option shall be assumed or a new option
substituted therefor in a transaction to which Section 424(a) of the Code
applies, employment by such assuming or substituting corporation (hereinafter
called the "Successor Corporation") shall be considered for all purposes of this
Option to be employment with the Company.

                  (d) EXERCISE PERIOD UPON TERMINATION OF EMPLOYMENT. If the
Optionee ceases to be employed by the Company for any reason other than death or
disability or a discharge for "cause", as

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provided below, the right to exercise this Option shall terminate three (3)
months after such cessation (but in no event after the Expiration Date),
PROVIDED THAT this Option shall be exercisable only to the extent that the
Optionee was entitled to exercise this Option on the date of such cessation.

            (e) EXERCISE PERIOD UPON DEATH OR DISABILITY. If the Optionee dies
or becomes disabled (within the meaning of Section 22(e)(3) of the Code or any
successor provision thereto) prior to the Expiration Date, this Option shall be
exercisable by the Optionee or by the person to whom this Option is transferred
by will or the laws of descent and distribution, PROVIDED THAT this Option shall
be exercisable only to the extent that this Option was exercisable by the
Optionee on the date of his or her death or disability. Except as otherwise
indicated by the context, the term "Optionee" shall be deemed to include the
estate of the Optionee or any person who acquires the right to exercise this
Option by bequest or inheritance or otherwise by reason of the death of the
Optionee.

            (f) DISCHARGE FOR CAUSE. If the Optionee, prior to the Expiration
Date, ceases his or her employment or other relationship with the company
because he or she is discharged for "cause" (as defined below), the right to
exercise this Option will terminate immediately upon cessation of employment or
relationship. "Cause" shall mean willful misconduct in connection with the
Optionee's duties or willful failure to perform his or her responsibilities in
the best interests of the Company (including, without limitation, breach by the
Optionee of any provision of employment, non-disclosure, non-competition or
other similar agreement between the Optionee and the Company), as determined by
the Company, which determination shall be conclusive.

         4. PAYMENT OF PURCHASE PRICE

            (a) METHOD OF PAYMENT. Payment of the purchase price for shares
purchased upon exercise of this Option shall be made by delivery to the Company
of cash or a check to the order of the Company in an amount equal to the
purchase price of such shares, or, with the separate consent of the Company, by
delivery to the Company of shares of Common Stock of the Company, then owned by
the Optionee having a fair market value equal in amount to the purchase price of
such shares, or by any combination of such methods of payment.

            (b) VALUATION OF SHARES TENDERED IN PAYMENT OF PURCHASE PRICE. For
the purposes hereof, the fair market value of any share of the Company's Common
Stock which may be delivered to the Company in exercise of this Option shall be
determined in good faith by the board of directors of the Company.

            (c) DELIVERY OF SHARES TENDERED IN PAYMENT OF PURCHASE PRICE. If the
Company permits the Optionee to exercise options by delivery of shares of Common
Stock of the Company, the certificate or certificates representing the shares of
Common Stock of the Company to be delivered shall be duly executed in blank by
the Optionee or shall be accompanied by a stock power duly executed in blank
suitable for purposes of transferring such shares to the Company. Fractional
shares of Common Stock of the Company will not be accepted ion payment of
purchase price of shares acquired upon exercise of this Option.

            (d) RESTRICTIONS UPON USE OF OPTION STOCK. Notwithstanding anything
to the contrary contained in the foregoing subsections 4(a) and 4(c), no shares
of Common Stock of the Company may be tendered in payment of the purchase price
of shares purchased upon exercise of this Option if the shares to be so tendered
were acquired within twelve (12) months before the date of such tender, through
the exercise of an option granted under the Plan or any other stock option or
restricted stock plan of the Company.

         5. DELIVERY OF SHARES; COMPLIANCE WITH SECURITIES LAW, ETC.

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                  (a) GENERAL. The Company shall, upon receipt of the Optionee's
payment of the option price for the number of shares purchased and paid for,
make prompt delivery of such shares to the Optionee, provided that if any law or
regulation requires the Company to take any action with respect to such shares
before the issuance thereof, then the date of delivery of such shares shall be
extended for the period necessary to complete such action.

                  (b) LISTING, QUALIFICATION, ETC. This Option shall be subject
to the requirement that if, at any time, counsel to the Company shall determine
that the listing, registration or qualification of the shares subject hereto
upon any securities exchange or under any state or federal law, or the consent
or approval of any governmental or regulatory body, is necessary as a condition
of, or in connection with, the issuance or purchase of shares hereunder, this
Option may not be exercised, in whole or in part, unless such listing,
registration, qualification, consent or approval shall have been effected or
obtained on conditions acceptable to the Board of Directors. Nothing herein
shall be deemed to require the Company to apply for or to obtain such listing,
registration or qualification.

         6. NONTRANSFERABILITY OF OPTION. Except as provided in paragraph (e) of
Section 3, this Option is personal and no rights granted hereunder may be
transferred, assigned, pledged or hypothecated in any way (whether by operation
of law or otherwise) nor shall any such rights be subject to execution,
attachment or similar process. Upon any attempt to transfer, assign, pledge,
hypothecate or otherwise dispose of this Option or of such rights contrary to
the provisions hereof, or upon the levy of any attachment or similar process
upon this Option or such rights, this Option and such rights shall, at the
election of the Company, become null and void.

         7. NO SPECIAL EMPLOYMENT RIGHTS. Nothing contained in the Plan or this
Agreement shall be construed or deemed by any person under any circumstances to
bind the Company top continue the employment of the Optionee for the period
within which this Option shall be exercised. However, during the period of the
Optionee's employment, the Optionee shall render diligently and faithfully the
services which are assigned to the Optionee from time to time by the Board of
Directors or by the executive officers of the Company and shall at no time take
any action which, directly or indirectly, would be inconsistent with the best
interests of the Company.

         8. RIGHTS AS A SHAREHOLDER. The Optionee shall have no rights as a
shareholder with respect to any shares which may be purchased by exercise of
this Option unless and until a certificate representing such shares is duly
issued and delivered to the Optionee. No adjustment shall be made for dividends
or other rights for which the record date is prior to the date such stock
certificate is issued.

         9. ADJUSTMENTS.

            (a) GENERAL. If, as a result of a merger, consolidation, sale of all
or substantially all of the assets of the Company, reorganization,
recapitalization, reclassification, stock dividend, stock split, reverse stock
split or other distribution with respect to the outstanding shares of Common
Stock or other securities, the outstanding shares of Common Stock are increased
or decreased, or are exchanged for a different number or kind of shares or other
securities, or if additional shares or new or different shares or other
securities are distributed with respect to such shares of Common Stock or other
securities, an appropriate and proportionate adjustment may be made in (I) the
number and kind of shares or other securities subject to this Option and (ii)
the price for each share subject to this Option, without changing the aggregate
purchase price as to which this Option remains exercisable.

            (b) BOARD AUTHORITY TO MAKE ADJUSTMENTS. Adjustments under this
Section 9 will be made by the Board of Directors, whose determination as to what
adjustments, if any, will be made and the extent thereof will be final, binding
and conclusive. No fractional shares will be issued under this Option on account
of any such adjustments.

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            (c) LIMITS ON ADJUSTMENTS. No adjustment shall be made under this
Section 9 which would, within the meaning of any applicable provision of the
Code, constitute a modification, extension or renewal of this Option or a grant
of additional benefits to the Optionee.

         10. MERGERS, ETC. In the event of a merger or consolidation in which
the company is not the surviving corporation, or which results in the
acquisition of substantially all of the Company's outstanding Common Stock by a
single person, entity or group of person or entities acting in concert, or in
the event of a reorganization or liquidation of the Company, prior to the
Expiration Date or termination of this Option, the Optionee shall, with respect
to this Option or any unexercised portion hereof, be entitled to the rights and
benefits, and be subject to the limitations, set forth in Section 15 and 16 of
the Plan.

         11. WITHHOLDING TAXES. The Company's obligation to deliver shares upon
the exercise of this Option shall be subject to the Optionee's satisfaction of
all applicable federal, state and local income and employment tax withholding
requirements.

         12. LIMITATION ON DISPOSITION OF INCENTIVE STOCK OPTION SHARES:
RESTRICTIONS ON TRANSFER OF OPTION SHARES.

            (a) It is understood and intended that this Option shall qualify as
an "Incentive Stock Option" as defined in Section 422 of the Code. Accordingly,
the Optionee understands that in order to obtain the benefits of an Incentive
Stock Option under Section 421 of the Code, no sale or other disposition may be
made of any shares acquired upon exercise of this Option within one (1) year
after the day of transfer of such shares to him or her, nor within two (2) years
after the grant of the Option. If the Optionee intends to dispose, or does
dispose (whether by sale, exchange, gift, transfer or otherwise), of any such
shares within said periods, he or she will notify the Company in writing within
ten (10) days after such disposition.

            (b) Optionee agrees that, concurrently with the full or partial
exercise of this Option, Optionee shall execute such standard form of the
Company's stock restriction agreement as the Company may require on the exercise
date. Optionee acknowledges that the Company shall have no obligation to issue
shares of its Common Stock pursuant to an exercise of this Option until such
time as Optionee has signed the required form of stock restriction agreement.

         13. INVESTMENT REPRESENTATION: LEGEND  .

             (a) REPRESENTATIONS. The Optionee represents, warrants and
covenants that:

                 (1) Any shares purchased upon exercise of this Option shall be
acquired for the Optionees account for investment only and not with a view to,
or for sale in connection with, any distribution of the shares in violation of
the Securities Act of 1933 (the "Securities Act") or any rule or regulation
under the Securities Act.

                 (2) The Optionee has had such opportunity as he or she has
deemed adequate to obtain from representatives of the Company such information
as is necessary to permit Optionee to evaluate the merits and risks of his or
her investment in the Company.

                 (3) The Optionee is able to bear the economic risk of holding
shares acquired pursuant to the exercise of this Option for an indefinite
period.

                 (4) The Optionee understands that (A) the shares acquired
pursuant to the exercise of this Option will not be registered under the
Securities Act and are "restricted securities" within the meaning of Rule 144
under the Securities Act; (B) such shares cannot be sold, transferred or
otherwise disposed of unless they are subsequently registered under the
Securities Act or an exemption from registration is then available; (C) in any
event, the exemption from registration under Rule 144 will not be available for
at least two (2) years and even then will not be available unless a public
market then exists for the Common Stock, adequate information concerning the
Company is then available to the public and other

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conditions of Rule 144 art complied with; and (D) there is now no registration
statement on file with the Securities and Exchange Commission with respect to
any stock of the Company and the Company has no obligation or current intention
to register any shares acquired pursuant to the exercise of this Option under
the Securities Act.

         By making payment upon exercise of this Option, the Optionee shall be
deemed to have reaffirmed, as of the date of such payment, the representations
made in this Section 13.

                  (b) LEGEND ON STOCK CERTIFICATES. All stock certificates
representing shares of Common Stock issued to the Optionee upon exercise of this
Option shall have affixed thereto a legend substantially in the following form,
in addition to any other legends required by applicable state law:

                  "The shares of stock represented by this certificate have not
been registered under the Securities Act of 1933 and may not be transferred,
sold or otherwise disposed of in the absence of an effective registration
statement with respect to the shares evidenced by this certificate, filed and
made effective under the Securities Act of 1933, or an opinion of counsel
satisfactory to the Company to the effect that registration under such Act is
not required."

         14.      MISCELLANEOUS.

                  (a) Except as provided herein, this Option may not be amended
or otherwise modified unless evidenced in writing and signed by the Company and
the Optionee.

                  (b) All notices under this Option shall be mailed or delivered
by hand to the parties at their respective addresses set forth beneath their
names below or at such other address as may be designated in writing by either
of the partied to one another.

                  (c) This Option shall be governed by and construed in
accordance with the laws of the State of Delaware.

Date of Grant: _____________________

                                             VASTERA, INC.

                                             By:___________________________
                                             Name:_________________________
                                             Title:__________________________

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                              OPTIONEE'S ACCEPTANCE

         The undersigned hereby accepts the foregoing Option and agrees to the
terms and conditions thereof. The undersigned hereby acknowledges receipt of a
copy of the Company's 1996 Stock Option Plan.

                                          OPTIONEE

                                          -----------------------------------
                                          Name:
                                               ------------------------------
                                          Address:
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                       FULFILLMENT AND GUARANTY AGREEMENT

         This Fulfillment and Guaranty Agreement (the "Agreement") dated this
14th day of March, 2000, between HORIZON Pharmacies Inc. ("Horizon") and
InformedScripts.com, Inc. ("Informed") shall be to establish a three (3) year
program for the fulfillment by Horizon of orders for prescription and OTC drugs,
home medical equipment and OTC health and beauty care products received by
Informed's Internet pharmacy and any Internet pharmacy operated by any affiliate
of Informed (collectively referred to herein as the "Pharmacy"). The parties
hereto agree as follows:

1.       MERCHANDISE

         For purposes hereof, "Merchandise" shall comprise all home medical
         equipment, prescription drugs, OTC drugs and OTC health and beauty care
         products normally stocked by Horizon's pharmacies.

2.       TERM

         The term of this Agreement shall commence on the date of this Agreement
         and end on June 30, 2003 (unless terminated earlier pursuant hereto),
         and during such period Informed agrees to designate Horizon as its
         fulfillment house for the filling of Merchandise orders and to purchase
         from Horizon substantially all of the requirements of its Pharmacy for
         Merchandise covered hereunder. Informed agrees to designate Horizon as
         its exclusive fulfillment house for the filling of all of its
         Pharmacy's prescription drug and OTC drug needs.

3.       ORDERING AND DELIVERY

A.       Upon receipt of a Merchandise order, Informed shall transmit such order
         electronically to Horizon at cherr@horizonrx.com. Upon receipt of such
         electronic order, Horizon shall fill the order and ship it directly to
         the customer pursuant to the method of delivery designated in such
         order from its location at 531 W. Main Street, Denison, Texas 75020
         (the "Horizon Designated Shipping Center"). Orders received by Horizon
         by 8:00 p.m. local time will be shipped the next Business Day. For the
         purposes of this Agreement, a "Business Day" shall mean any day other
         than a Saturday, a Sunday or a holiday on which national banking
         associations in the State of Texas are closed.

B.       Informed hereby covenants and agrees that it shall require any customer
         placing an order with Informed to pay, at the time such order is
         placed, to Informed the price for that order by credit card, or other
         debit arrangement. Informed shall confirm receipt of payment at the
         time it transmits such order to Horizon for fulfillment.

C.       All costs of shipping to customers of Informed will be charged to
         Informed's Federal Express account or other billing service number.

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D.       Upon shipping an order, Horizon shall send electronically to Informed a
         purchase order confirmation with a detailed listing of Merchandise
         filled.

E.       Horizon agrees to maintain a 95% service level to Informed's Pharmacy
         for Merchandise, tested on a monthly basis. Service level is defined as
         total lines ordered (partial lines included) less total omit lines
         (ordered but not filled). Items that manufacturers are unable to
         supply, manufacturer back-orders, product recalls, same item ordered
         again within 72 hours, items the manufacturer has discontinued, and new
         items with no inventory demand shall be excluded from the service level
         calculation.

4.       PAYMENT TERMS

A.       Informed shall pay to Horizon for each order fulfilled by Horizon
         pursuant to this Agreement an amount equal to the sum of (a) Horizon's
         actual cost for the Merchandise delivered in fulfillment of the order
         (the "Cost"), and (b) 60% (hereinafter, the "Margin Percentage") of the
         excess of the gross proceeds actually received by Informed for the
         purchase of such order over the Cost; provided, however, that the
         Margin Percentage owed to Horizon may, for any 12-month period ended
         March 31st, be adjusted downward (but not upward) on a retroactive
         basis pursuant to Section 7 below.

B.       Payment for Merchandise delivered to Informed's customers by Horizon
         shall be paid by Informed as follows: Invoices dated from the 1st to
         the 15th of the month are due and payable on the 15th day of the
         following month. Invoices dated from the 16th to the end of the month
         are due and payable on the last day of the following month.

C.       Any payments made after the due date indicated herein shall result in a
         two percent (2%) (or the maximum amount permissible under applicable
         law, if lower) increase in the purchase price of the Merchandise. A one
         percent (1%) service charge (or the maximum amount permissible under
         applicable law, if lower) will be imposed semi-monthly on all balances
         delinquent more than fifteen (15) days. If payment is due on a date
         other than a Business Day, the payment due date will be the Business
         Day immediately following any such date.

D.       Informed hereby grants to Horizon a security interest covering the
         proceeds of all Merchandise sold and shipped to Informed's customers by
         Horizon to secure repayment of amounts due Horizon under this
         Agreement. Informed agrees to execute from time to time such financing
         statements as Horizon may request for the purpose of perfecting
         Horizon's security interest.

E.       This Agreement is conditioned upon Informed not being in default under
         the terms of its financing agreements throughout the term hereof, and
         to that end Informed agrees to promptly substantiate in writing, at
         Horizon's request, the existence of such condition with annual audited
         and quarterly unaudited financial statement and any other supporting
         information required by Horizon.

F.       Horizon reserves the right, in its sole discretion, to change a payment
         term or limit total credit, if (i) Horizon reasonably concludes there
         has been a material adverse change in Informed's financial condition or
         an unsatisfactory payment performance; or (ii) Informed

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         is in default under the terms of any of its financing agreements.
         Upon the occurrence of any of the events of default specified above
         in (i) or (ii) of this Section, Horizon shall allow a five (5) day
         period from receipt of written notice of default to cure the default
         before changing the payment terms. During that period, Informed must
         adhere to its normal buying patterns. If the default is not cured
         after five days, Horizon will change the payment term to limit its
         risk, but will continue to ship product for thirty (30) days before
         suspending or discontinuing shipment of any additional orders to
         Informed customers.

5.       MERCHANDISE AND PRICE UPDATES

         Horizon will provide Informed updates as to its Merchandise offered and
         cost as soon as practicable after the receipt of notification of any
         changes thereto, in order that Informed may post changes to its product
         and price lists.

6.       RETURNED GOODS

         Credits will be issued by Horizon to Informed for any of the following
         reasons:

                  (1)   Pricing errors, shipping errors and billing errors;
                  (2)   Recalls; and
                  (3)   Customer returns due to concealed damage.

         An invoice number or order number shall be required in each of the
         above-specified instances, except recalls, for full credit. Such
         credits shall be issued by Horizon to Informed within a reasonable
         amount of time after (i) receipt by Horizon of the invoice or order
         number or (ii) written notification of a recall.

7.       GUARANTY

A.       In exchange for its designation as the exclusive fulfillment agent of
         Informed, Horizon hereby agrees to guaranty the Gross Sales (as
         defined) and Pretax Profit (as defined below) of Informed as follows:

         (a)    For the period ended June 30, 2001, Gross Sales of Informed
                will be no less than $18,000,000.00 and Pretax Profit of
                Informed will be no less than $1,250,000.00;

         (b)    For the twelve month period beginning July 1, 2001 and ended
                June 30, 2002, Gross Sales of Informed will be no less than
                $22,000,000.00 and Pretax Profit of Informed will be no less
                than $1,750,000.00; and

         (c)    For the twelve month period beginning July 1, 2002 and ended
                June 30, 2003, Gross Sales of Informed will be no less than
                $30,000,000.00 and Pretax Profit of Informed will be no less
                than $2,500,000.00.

B.       As of the end of each period designated above, if either the Gross
         Sales or the Pretax Profit for that period is less than the guaranteed
         amounts, Horizon will take the following actions to remedy such
         shortfall:

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         (a)      If the Gross Sales amount has been met but there is a
                  shortfall for Pretax Profits for such period, Horizon shall
                  either (i) retroactively reduce the Margin Percentage payable
                  to Horizon hereunder for such period to the minimum extent
                  necessary to (when combined with any additional Pretax Right,
                  generated by the allocation of sales pursuant to clause (ii)
                  hereof) increase the Pretax Profits of Informed for such
                  period to equal the guaranteed amount set forth above, and/or
                  (ii) allocate sales (and the revenues generated therefrom) on
                  its own Internet pharmacy business or, if necessary, its
                  retail pharmacy store business to Informed during the next two
                  calendars months in an amount necessary to (when combined with
                  the effects of any reduction in the margin percentages) reduce
                  such shortfall to zero.

         (b)      If the Pretax Profit amount has been met but there is a
                  shortfall for Gross Sales for such period, Horizon shall
                  assign the economic benefit of sales (and the revenues
                  generated therefrom) of its own Internet pharmacy business or,
                  if necessary, its retail pharmacy store business to Informed
                  during the next two calendars months in an amount equal to
                  such shortfall. Any such sales shall be treated for all
                  purposes of this Agreement as sales made to Informed customers
                  pursuant hereto, and Informed shall owe Horizon any amounts
                  due under Section 4 in connection therewith. In paying over
                  any revenue amounts to Informed pursuant to this Section 7,
                  Horizon is hereby expressly authorized to offset against any
                  such gross revenue amounts the amounts due and owing Horizon
                  pursuant to Section 4 in respect of such sales.

         (c)      If for any such period there is a shortfall for both the
                  Pretax Profit amount and the Gross Sales, Horizon shall first
                  assign the economic benefit of sales of its own Internet
                  pharmacy business or, if necessary, its retail pharmacy store
                  business to Informed during the next two calendars months in
                  an amount equal to the shortfall of Gross Sales. After such
                  Gross Sales shortfall is met, the Pretax Profit of Informed
                  shall be recalculated for such period (and for this purpose
                  any Pretax Profit attributable to sales allocated to Informed
                  pursuant to this Section 7B shall be deemed to have been
                  earned by Informed during such period). Upon such
                  recalculation, if there remains a shortfall in Pretax Profits
                  for such period, Horizon shall either (i) retroactively reduce
                  the Margin Percentage payable to Horizon hereunder for such
                  period to the minimum extent necessary to (when combined with
                  any additional Pretax Right, generated by the allocation of
                  sales pursuant to clause (ii) hereof) increase the Pretax
                  Profits of Informed for such period to equal the guaranteed
                  amount set forth above, and/or (ii) allocate sales (and the
                  revenues generated therefrom) on its own Internet pharmacy
                  business or, if necessary, its retail pharmacy store business
                  to Informed during the next two calendars months in an amount
                  necessary to (when combined with the effects of any reduction
                  in the margin percentages) reduce such shortfall to zero.

         (d)      For the purposes of this Agreement, Informed's Gross Sales for
                  any period means the aggregate gross purchase price of all
                  Merchandise orders processed by or on behalf of Informed
                  during such period, assuming in each instance that the
                  purchase price paid by Informed's customers for such
                  Merchandise is no less than the full retail price charged by
                  Horizon to its customers for the same Merchandise.

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         (e)      For the purposes of this Agreement, Informed's Pretax Profit
                  for any period means the excess of (i) its aggregate Gross
                  Sales for such period over, (ii) any amounts due and owing to
                  Horizon pursuant to Section 4 of this Agreement in connection
                  with such sales.

         The parties hereto agree that the remedies set forth in Sections 7(a),
         (b) and (c) above shall be Informed's sole and exclusive remedy in the
         event of a shortfall of Gross Sales or Pretax Profits.

8.       DEFAULT AND REMEDIES

A.       Either of the following events shall constitute an "Event of Default":
         (i) failure of either party to make any payments within five (5) days
         of when due in accordance with the terms of this Agreement shall
         constitute a default; (ii) any breach by either party of a material
         non-monetary provision of the Agreement or any other agreement between
         Informed and Horizon (i.e., a provision not requiring the payment of
         money), which is capable of being cured and has not been caused by any
         action or omission of the other party, shall constitute a default if
         not cured to the reasonable satisfaction of the other party within
         sixty (60) days after the giving of written notice of such breach by
         the non-breaching party. Such written notice shall specify the nature
         of the breach and be accompanied by calculations and other appropriate
         materials to substantiate the allegation of breach in order for the
         alleged breach to be verified if necessary.

         Upon default by either party the non-breaching party may, at its
         option, terminate the Agreement immediately without further notice and
         pursue any remedy available to it under this Agreement, at law or in
         equity or any combination thereof.

B.       Either party may, on ten (10) days notice, terminate this Agreement:

         (i)      If the other party shall file any petition under any
                  bankruptcy, reorganization, insolvency or moratorium laws, or
                  any other law or laws for the relief of or in relation to the
                  relief of debtors; or

         (ii)     If the other party shall file any involuntary petition under
                  any bankruptcy statute or a receiver or trustee shall be
                  appointed to take possession of all or substantial part of the
                  assets of the party which has not been dismissed or terminated
                  within sixty (60) days of the date of such filing or
                  appointment; or

         (iii)    If the other party shall make a general assignment for the
                  benefit of creditors or shall become unable or admit in
                  writing its inability to meet its obligations as they mature;
                  or

         (iv)     If the other party shall institute any proceedings for
                  liquidation or the winding up of its business other than for
                  purposes of reorganization, consolidation or merger.

                                       5
<PAGE>

C.       Horizon may terminate this Agreement with no notice if Informed.com
         fails to make on or before June 12, 2000 the principal and interest, if
         any, payment due and owing to Horizon pursuant to that certain
         Promissory Note, dated March 14, 2000, issued by Informed.com to
         Horizon in the original principal amount of $1,500,000.

D.       In the event of a termination hereunder the following continuing
         obligations and liabilities shall survive termination and remain in
         full force and effect:

         (i)      Liability for any payment due hereunder to the other party at
                  the date of or upon the occurrence of such termination; and

         (ii)     Obligations imposed on each party under the Proprietary and
                  Confidentiality Information section set forth below.

9.       PROPRIETARY AND CONFIDENTIAL INFORMATION

A.       Any and all accounts, records, books, files, and lists regarding any
         transaction provided for or contemplated hereunder, shall be
         confidential and proprietary to the party creating or generating such
         information. This Agreement, and the terms and conditions hereof, are
         confidential. The parties expressly agree to maintain such terms and
         conditions in confidence, and shall take every precaution to disclose
         the contents of this Agreement only to those employees of each of the
         parties who have a reasonable need to know such information.

B.       Informed and Horizon each acknowledge that, in connection with their
         respective businesses, they have developed certain operating manuals,
         symbols, trademarks, trade names, service marks, trade secrets,
         customer lists, procedures, formulas, and other patented, copyrighted,
         or legally protected materials which are confidential and proprietary
         to each of them.

C.       Neither party may disclose the terms of this Agreement during the term
         hereof and for an additional period of twenty-four (24) months
         following the effective date of expiration or other termination of this
         Agreement. Furthermore, except upon the prior written consent of the
         other party, neither party may divulge, disclose, communicate, or use
         any of the other party's confidential or proprietary information
         generally described in Subsection A and B above, in any manner or for
         any purpose, including, without limitation, use in advertising or for
         promotional materials, except upon the prior written consent of the
         other party. A party hereto may refuse consent to the use of its
         confidential or proprietary information for any or no reason. In the
         event that any such confidential or proprietary information is used
         during the course of this Agreement it shall retain its confidential
         and proprietary nature and shall be returned immediately to its owner
         or destroyed upon termination of this Agreement. Notwithstanding
         anything herein to the contrary, nothing in this subsection shall
         require either party to maintain in confidence any information,
         materials, or data which is in the public domain, enters the public
         domain through no fault of such party, was in possession of the party
         prior to being furnished to it by the other, was supplied to the party
         by a third party or parties lawfully in possession thereof, which is
         required to be disclosed to the Securities and Exchange Commission or
         other commission or agency regulating the activities of either party or
         which the party is required to divulge pursuant to process of any

                                       6
<PAGE>

         judicial or governmental body of competent jurisdiction, provided that
         notice of receipt of such process is given to the other.

10.      FORCE MAJEURE

         If shipping from the Horizon Designated Shipping Center is interrupted
         or delayed because of strike, lockout, labor dispute, fire or other
         casualty, or any other reasons beyond the reasonable control of
         Horizon, Horizon will take such action as may be reasonably necessary,
         without additional cost or expense to Informed, to maintain service as
         mutually agreed upon to Informed's customers from an alternate Horizon
         location. Any adverse effects upon Informed's performance of this
         Agreement occurring as a result of the events described in this section
         shall not in any way be considered a breach of this Agreement.

11.      NOTICES

         All notices pertaining to this Agreement shall be delivered in person,
         sent by certified mail, delivered by air courier, or transmitted by
         facsimile and confirmed in writing (sent by air courier or certified
         mail) to a party at the address or facsimile number shown in this
         Section, or such other address or facsimile number as a party may
         notify the other party from time to time. Notices delivered in person,
         and notices dispatched by facsimile prior to 4:00 p.m. and confirmed,
         shall be deemed to be received on the day sent. All other facsimiles
         and notices shall be deemed to have been received on the business day
         following receipt; provided, however, if such day falls on a weekend or
         legal holiday, receipt shall be deemed to occur on the next business
         day. Notices may also be transmitted electronically between the
         parties, provided that proper arrangements are made in advance to
         facilitate such communications and provide for their security and
         verification.

         IF TO HORIZON:                        IF TO INFORMED:

         HORIZON Pharmacies Inc.               InformedScripts.com, Inc.
         531 W. Main Street                    c/o Informed.com, Inc.
         Denison, Texas 75020                  4404 Ivy Commons II
                                               Route 250 West
                                               Charlottesville, VA 22903

         Attention:     Rick McCord            Attention:    Michael R. Kerouac
                        President                            President
         Fax:           (903) 465-6769         Fax:          (804) 977-6217

12.      MISCELLANEOUS

A.       This Agreement embodies the entire agreement between the parties with
         regard to the subject matter hereof and supersedes all prior
         agreements, understandings and representations of the parties with
         respect to the subject matter hereof. This Agreement may not be
         modified, supplemented or extended except by a writing signed by both
         parties.

                                       7
<PAGE>

B.       Except as provided above in Section 15, neither party shall have any
         obligation hereunder for failure or delay of performance due to fire,
         shortage of materials or transportation, government acts, or any other
         cause beyond its control.

C.       Neither party shall have the right to assign this Agreement or any
         interest therein without the prior written consent of the other party,
         and any such attempted assignment shall be without effect, except that
         either party may, without the consent of the other, assign this
         Agreement to an affiliate of such party and except that this provision
         shall not be applicable to any corporate reorganization of either
         party, including but not limited to any merger, reincorporation or sale
         of a significant portion of either party's assets.

D.       This Agreement shall be construed in accordance with the State of Texas
         without regard to the rules regarding conflict of laws.

E.       The failure of either party to enforce at any time or for any period of
         time any one or more of the provisions thereof shall not be construed
         to be a waiver of such provisions or of the right of such party
         thereafter to enforce each such provision.

F.       If any federal, state, or local tax currently or in the future (e.g.
         Minnesota Care Tax) is levied upon Horizon in a jurisdiction where
         either Horizon or Informed does business and such tax relates or
         applies to the Merchandise and or any applicable service fees covered
         by this Agreement (excluding taxes imposed on Horizon's net income),
         the Cost of prescription drugs or OTC drugs sold pursuant to this
         Agreement will be increased a corresponding percentage amount.

G.       If and to the extent any product discounts, rebates or other purchasing
         incentives are earned by or granted to Informed and paid by Horizon
         under this Agreement, then applicable provisions of the
         Medicare/Medicaid and state health care fraud and abuse/antikickback
         laws and regulations (collectively, "fraud and abuse laws") may require
         disclosure of the applicable price reduction on Informed's claims or
         cost reports for reimbursement from governmental or other third party
         health care programs or provider plans. Informed agrees to comply with
         all applicable provisions of the fraud and abuse laws and to indemnify
         and hold Horizon harmless for any failure on its part to do so.

H.       Horizon shall be entitled to set off any delinquent amount owing from
         Informed to Horizon after either of the five day cure periods
         referenced in Sections 4.F. and 8.A. against any amount payable at such
         time by Horizon to Informed, whether arising under this Agreement or
         otherwise. For purposes of this Section, Informed and Horizon in each
         case shall include its subsidiaries and affiliates.

I.       Whenever possible, each provision of this agreement shall be
         interpreted so as to be effective and valid under applicable law, but
         if any provision of this Agreement should be prohibited or invalid
         under applicable law, such provisions shall be ineffective to the
         extent of such prohibition or invalidity without invalidating the other
         of such provision or the remaining provisions of this Agreement. The
         parties agree to replace any such invalid provision with a new
         provision which has the most nearly similar permissible economic
         effect.

                                       8
<PAGE>

J.       The section headings contained in the Agreement are for reference
         purposes only and shall not affect in any way the meaning or
         interpretation of this Agreement.

K.       This Agreement may be executed in any number of counterparts, and each
         such counterpart hereof shall be deemed an original instrument, but all
         such counterparts together shall constitute one agreement.

L.       Horizon and Informed agrees to conduct an annual business review of the
         supply arrangement created by this Agreement ("Annual Review") which
         shall occur throughout the term hereof during the month immediately
         preceding the anniversary of the commencement date of this Agreement.
         The purpose of this Annual Review shall be to allow the parties to
         discuss then current market conditions or other competitive
         considerations which are directly related to the parties' existing
         business relationship and to discuss the appropriateness of an
         adjustment to the Margin Percentage set forth in Section 4.

                           [SIGNATURE PAGE TO FOLLOW]

                                       9
<PAGE>

         IN WITNESS WHEREOF the parties have caused this Agreement to be duly
executed as of the date and year first written above and the persons signing
warrant that they are duly authorized to sign for and on behalf of the
respective parties.

HORIZON PHARMACIES INC.                INFORMEDSCRIPTS.COM, INC.

By: /s/ Ricky D. McCord                By: /s/ Ricky D. McCord
   -----------------------------          -----------------------------
   Ricky D. McCord                        Ricky D. McCord
   President                              President

Solely for the purpose of guaranteeing the payment of any amounts due and owing
Horizon Pharmacies, Inc. pursuant to Section 4 hereof, the undersigned executes
this Agreement as of the date written below.

INFORMED.COM, INC.

By: /s/ Michael R. Kerouac
   -------------------------
   Michael R. Kerouac
   President

Date:  March 14, 2000
     -----------------------

                                    S-1

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