Document:

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                                                                  EXHIBIT 10.103

                                                                  June 8, 2001

Richard Rosenblatt
Dr.koop.com, Inc.
225 Arizona Avenue, Suite 250
Santa Monica, CA 90401

Gentlemen:

            The purpose of this letter is to confirm the engagement of
Commonwealth Associates, L.P. ("Commonwealth") as exclusive financial advisor
for dr. koop.com (the "Company") in connection with its efforts to obtain a
senior secured loan ("Senior Financing") and/or subordinated loan (the
"Subordinated Financing" and together with the Senior Financing collectively
referred to as the "Financing"). The terms pursuant to which Commonwealth is to
assist and advise the Company in connection with the Financing:

      1.    Services. The Company hereby engages Commonwealth as its exclusive
financial advisor in connection with the Financing. In connection therewith,
Commonwealth shall provide the following services: (i) advise the Company with
respect to the form and structure of the proposed Financing; (ii) assist the
Company in developing any necessary materials; (iii) identify and make contact
with prospective financing sources; (iv) assist the Company in conducting
presentations and due diligence meetings with prospective financing sources; and
(v) provide such other financial advisory and investment banking services
required to close the Financing.

      2.    Information. In connection with Commonwealth's activities on the
Company's behalf, the Company will furnish Commonwealth or prospective financing
sources with all information that it may reasonably request and provide
Commonwealth or prospective financing sources reasonable access to Company
officers, directors, accountants and counsel.

      3.    Compensation. In consideration of Commonwealth's services,
Commonwealth shall be entitled to receive, and the Company hereby agrees to pay
Commonwealth the following:

      (a)   Upon execution of a Senior Financing definitive loan document the
            Company agrees to pay to Commonwealth in cash a fee of $100,000.

      (b)   Upon execution of a Subordinated Financing definitive loan document
            the Company agrees to pay to Commonwealth in cash a fee of $100,000.

      4.    Expenses. In addition to the compensation described in Section 3
above, the Company agrees to promptly reimburse Commonwealth, upon request from
time to time, for all out-of-pocket expenses incurred (including, without
limitation, travel and lodging expenses, reasonable fees and disbursements of
Commonwealth's counsel, and fees and disbursements of other consultants and
advisors retained by Commonwealth) in connection with Commonwealth's services
pursuant to this Agreement. Apart from such expenses, the Company shall be
responsible for its own expenses incurred in connection with the Financing,
including, without limitation, legal and accounting fees and travel and lodging
expenses.

      5.    Governing Law/Resolution of Disputes. The validity and
interpretation of this Agreement shall be governed by the law of the State of
New York applicable to agreements made and to be fully performed therein.
Commonwealth and the Company will attempt to settle any claim or controversy
arising out of this Agreement

<PAGE>   2

through consultation and negotiation in good faith and a spirit of mutual
cooperation. If those attempts fail, then the dispute will be mediated by a
mutually acceptable mediator to be chosen by Commonwealth and the Company within
15 days after written notice from either party demanding mediation. Neither
party may unreasonably withhold consent to the selection of a mediator, and the
parties will share the costs of the mediation equally. Any dispute which the
parties cannot resolve through negotiation or mediation within six months of the
date of the initial demand for it by one of the parties may then be submitted to
binding arbitration under the rules of the American Arbitration Association of
New York for resolution. The use of mediation will not be construed under the
doctrine of latches, waiver or estoppel to affect adversely the rights of either
party. Nothing in this paragraph will prevent either party from resorting to
judicial proceedings if (a) good faith efforts to resolve the dispute under
these procedures have been unsuccessful or (b) interim relief from a court is
necessary to prevent serious and irreparable injury.

      6.    Successors and Assigns. The benefits of this Agreement shall inure
to the respective successors and assigns of the parties hereto, their
successors, assigns and representatives, and the obligations and liabilities
assumed in this Agreement by the parties shall be binding upon their respective
successors and assigns; provided, that the rights and obligations of either
party under this Agreement may not be assigned without the prior written consent
of the other party and any other purported assignment shall be null and void.

      7.    Miscellaneous.

      (a)   The following conditions apply:

            (i)   It is understood that the obligation of Commonwealth is to use
      its best efforts to secure the Financing and there is no obligation on the
      part of Commonwealth to participate in such Financing.

            (ii)  The Company hereby represents that it is a sophisticated
      business enterprise that has retained Commonwealth for the limited
      purposes set forth in this letter, and the parties acknowledge and agree
      that their respective rights and obligations are contractual in nature.
      Each party disclaims an intention to impose fiduciary obligations on the
      other by virtue of the engagement contemplated by this letter.

      (b)   The Company shall not issue any press release or other information
regarding the Financing without the prior written consent of Commonwealth.

      8.    Termination. Commonwealth's engagement hereunder may be terminated
by either the Company or Commonwealth at any time after 60 days from the date
hereunder, with or without cause, upon written advice to that effect to the
other party after 60 days from the date hereof; provided, however, that
notwithstanding any such termination, Commonwealth will be entitled to 100% of
its full fee under Section 3 hereof in the event that at any time prior to the
expiration of 12 months after such termination, a Senior Financing is
consummated with any party introduced to the Company by Commonwealth, or who the
Company requested that we provide any services hereunder in connection therewith
during the term of Commonwealth's engagement hereunder ("Commonwealth
Prospects"). Not more than 10 business days after termination, Commonwealth
shall provide in writing its proposed list of Commonwealth Prospects which shall
be binding unless the Company provides a written objection within 10 days of
receipt whereupon any dispute shall be resolved in accordance with Section 5
herein. The provisions of this Section 8 and Section 3, 4 and 5 hereof shall
survive such termination.

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<PAGE>   3

            If the foregoing is acceptable, please sign a copy of this letter in
the space provided below and return the copy to the undersigned by June 8, 2001.
If an executed copy of the letter agreement is not received on or prior to such
date, this letter shall be void and of no further force or effect.

                                Very truly yours,

                                COMMONWEALTH ASSOCIATES, L.P.

                                By: /s/ MICHAEL FALK
                                   -----------------------------------------

Confirmed and Agreed to this
___ day of __________, 2001

DR.KOOP.COM

By: /s/ ED CESPEDES
   --------------------------

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<PAGE>   4

                           INDEMNIFICATION PROVISIONS

            dr.koop.com (the "Company") agrees to indemnify and hold harmless
Commonwealth Associates, L.P. ("Commonwealth") against any and all losses,
claims, damages, obligations, penalties, judgments, awards, liabilities, costs,
expenses and disbursements (and any and all actions, suits, proceedings and
investigations in respect thereof and any and all legal and other costs,
expenses and disbursements in giving testimony or furnishing documents in
response to a subpoena or otherwise), including, without limitation, the costs,
expenses and disbursements, as and when incurred, of investigating, preparing or
defending any such action, suit, proceeding or investigation (whether or not in
connection with litigation in which Commonwealth is a party), directly or
indirectly, caused by, relating to, based upon, arising out of, or in connection
with Commonwealth's acting for the Company, including, without limitation, any
act or omission by Commonwealth in connection with its acceptance of or the
performance or non-performance of its obligations under the Agreement, dated
April 27, 2001, between the Company and Commonwealth to which these
indemnification provisions are attached and form a part (the "Agreement"). The
Company also agrees that Commonwealth shall not have any liability (whether
direct or indirect, in contract or tort or otherwise) to the Company for or in
connection with the engagement of Commonwealth, except to the extent that any
such liability is found in a final judgment by a court of competent jurisdiction
(not subject to further appeal) to have resulted primarily and directly from
Commonwealth's gross negligence or willful misconduct.

            The indemnification provisions shall be in addition to any liability
which the Company may otherwise have to Commonwealth or the persons indemnified
below in this sentence and shall extend to the following: Commonwealth, its
affiliated entities, partners, employees, legal counsel, agents and controlling
persons (within the meaning of the federal securities laws), and the officers,
directors, employees, legal counsel, agents and controlling persons of any of
them. All references to Commonwealth in these indemnification provisions shall
be understood to include any and all of the foregoing.

            If any action, suit, proceeding or investigation is commenced, as to
which Commonwealth proposes to demand indemnification, it shall notify the
Company with reasonable promptness; provided, however, that any failure by
Commonwealth to notify the Company shall not relieve the Company from its
obligations hereunder except to the extent that the Company is materially
prejudiced thereby. If the Company so elects, or is requested by Commonwealth,
the Company will assume the defense of such action, suit, proceeding or
investigation, including the employment of counsel reasonably acceptable to
Commonwealth, and the payment of the fees and disbursements of such counsel. In
the event, however, that the Company fails to promptly assume the defense
thereof with counsel reasonably acceptable to Commonwealth, or Commonwealth
determines in its reasonable judgment that it has one or more defenses different
than or in addition to those of the Company, then Commonwealth shall have the
right to retain one counsel (in addition to any local counsel) of its own choice
to represent it, and the Company shall pay the fees, expenses and disbursements
of such counsel; and such counsel shall, to the extent consistent with its
professional responsibilities, cooperate with the Company and any counsel
designated by the Company. The Company shall be liable for any settlement of any
claim against Commonwealth made with the Company's written consent, which
consent shall not be unreasonably withheld. The Company shall not, without the
prior written consent of Commonwealth, settle or compromise any claim, or permit
a default or consent to the entry of any judgment in respect thereof, unless
such settlement, compromise or consent includes, as a unconditional term
thereof, the giving by the claimant to Commonwealth of an unconditional release
from all liability in respect of such claim.

            In order to provide for just and equitable contribution, if a claim
for indemnification pursuant to these indemnification provisions is made but it
is found in a final judgment by a court of competent jurisdiction (not subject
to further appeal) that such indemnification may not be enforced in such case,
even though the express provisions hereof provide for indemnification in such
case, then the Company, on the one hand, and

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<PAGE>   5

Commonwealth, on the other hand, shall contribute to the losses, claims,
damages, obligations, penalties, judgments, awards, liabilities, costs,
expenses, and disbursements to which the indemnified persons may be subject in
accordance with the relative benefits received by the Company, on the one hand,
and Commonwealth, on the other hand, and also the relative fault of the Company,
on the one hand, and Commonwealth, on the other hand, in connection with the
statements, acts or omissions which resulted in such losses, claims, damages,
obligations, penalties, judgments, awards, liabilities, costs, expenses or
disbursements and the relevant equitable considerations shall also be
considered. No person found liable for a fraudulent misrepresentation shall be
entitled to contribution from any person who is not also found liable for such
fraudulent misrepresentation. Notwithstanding the foregoing, Commonwealth shall
not be obligated to contribute any amount hereunder that exceeds the amount of
fees previously received by Commonwealth pursuant to this Agreement.

            Neither termination nor completion of the engagement of Commonwealth
referred to above shall affect these indemnification provisions which shall then
remain operative and in full force and effect.

                                       5<PAGE>   1
                                                                  EXHIBIT 10.104

                       AMENDED & RESTATED DRKOOP.COM, INC.

                      2000 NON-QUALIFIED STOCK OPTION PLAN

                      NON-QUALIFIED STOCK OPTION AGREEMENT

        THIS NONQUALIFIED STOCK OPTION AGREEMENT is granted by drkoop.com Inc.,
a Delaware corporation (the "Company") upon the following terms and conditions
and pursuant and subject to the Company's Amended and Restated drkoop.com, Inc.
2000 Non-Qualified Stock Option Plan (the "Plan"). Unless otherwise defined
herein, the terms defined in the Plan shall have the same defined meanings in
this Stock Option Agreement.

I.      Notice Of Stock Option Grant.

        Richard Rosenblatt

                You ("Optionee") have been granted an option to purchase Common
Stock of the Company, subject to the terms and conditions of the Plan and this
Stock Option Agreement. The terms of your grant are set forth below:

<TABLE>
<S>                                                  <C>
         Date of Grant:                              August 6, 2001
         Vesting Commencement Date:                  August 6, 2001
         Exercise Price per Share:                   $0.128 per share
         Total Number of Shares Granted:             500,000
         Total Exercise Price:                       $64,000.00
         Type of Option:                             Non-Qualified Stock Option
         Term/Expiration Date:                       August 6, 2008 (Seventh anniversary of
                                                     Date of Grant)
</TABLE>

        1. GRANT OF OPTION. The Company grants to the Optionee an option to
purchase, on the terms and conditions hereinafter set forth, the number of
shares specified above (the "Option", "Option Shares" or "Shares") of the
Company's Common Stock, par value $0.001 per share, at the option price per
share specified above.

<PAGE>   2
        2. PERIOD OF OPTION. This Option will expire at the close of business on
the Expiration Date, except that: (a) if the Optionee dies on or before the
Expiration Date, this Option shall expire as provided in Section 9 below; or (b)
if the Optionee ceases on or before the Expiration Date to be an Employee,
Consultant or Director, this Option may be exercised one year after such
termination (or, if Optionee remains in Continuous Status as an Employee,
Consultant or Director until the date that is 18 months following the Date of
Grant of this Option, three years after such termination) to the extent
exercisable immediately prior to such termination, but in no event later than
the Expiration Date. The term "Employee", as used in this Option, means any
executive and other salaried or non-salaried employee of the Company and/or one
or more of its subsidiary corporations. The term "Consultant" shall mean any
person engaged by the Company and/or one or more of its subsidiary corporations
to render consulting or advisory services and is compensated for such services.
The term "Director" shall mean any director of the Company whether compensated
for such services or not.

        3. EXERCISE. Subject to the other provisions of this Option, the Shares
subject to this Option shall vest according to the following schedule:

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<PAGE>   3
        Subject to the following paragraphs, this Option shall vest and become
exercisable with respect to twenty-five percent (25%) of the shares of the
Company's Common Stock subject to the Option (the "Shares") on the Option's
Vesting Commencement Date, and thereafter, with respect to twenty-five percent
(25%) of the Shares on each successive twelve-month anniversary following the
one-year anniversary of the Option's Vesting Commencement Date (each, a "Vesting
Date"), commencing with the first such anniversary, such that this Option shall
be vested and exercisable with respect to one hundred percent (100%) of the
Shares on the third anniversary of the Option's Vesting Commencement Date;
provided, however, that Optionee has remained in Continuous Status as an
Employee, Director or Consultant as of each Vesting Date.

        Notwithstanding the foregoing, this Option shall vest and become
exercisable with respect to one hundred percent (100%) of the Shares subject to
the Option immediately prior to the earlier of (i) Optionee's termination of
employment with the Company for Good Reason or by the Company for any reason
other than Cause, death or Disability (each such term as defined in that certain
Employment Agreement between the Company and Optionee, dated as of August 22,
2000, as may be amended from time to time), or (ii) in addition to the
conditions upon which the Option may automatically accelerate and become
exercisable in accordance with the Plan, upon the consummation of the following:
(a) any sale, merger, consolidation, tender offer or similar acquisition of
shares, or other transaction or series of related transactions (each a
"Transaction") as a result of which at least a majority of the voting power of
the Company is not held, directly or indirectly, by the persons or entities who
held the Company's securities with voting power before such Transaction; (b) a
sale or other disposition of all or substantially all of the Company's assets,
whether in one transaction or a series of related transactions; or (c)
individuals who on the date hereof constitute the Board of Directors and any new
Director (other than a Director designated by a person or entity who has entered
into an agreement to effect a transaction described in clause (a) or (b) above)
whose nomination and/or election to the Board of Directors was approved by a
vote of at least a majority of the Directors then still in office who either
were Directors on the date hereof or whose election or nomination for election
was previously so approved, cease for any reason to constitute a majority of the
Board of Directors.

        4. CERTAIN LIMITATIONS ON EXERCISE. No fractional shares may be
purchased hereunder.

        5. INTENTIONALLY LEFT BLANK.

        6. METHOD OF EXERCISE OF OPTION. During the term of this Option,
Optionee may exercise his or her option, from time to time, to the extent then
exercisable, by written notice directed to the Company at its principal place of
business. Such written notice shall specify the number of Option Shares he or
she is purchasing pursuant to this Agreement and the method of payment for such
shares, and shall be accompanied by the original of this Agreement so that an
appropriate endorsement can be made hereto to reflect the Option Shares so
purchased and to reduce accordingly the number of Option Shares thereafter to be
subject to the terms hereof. The Option Price for the number of Option Shares
being purchased shall be payable as follows: (a) in cash, (b) by delivery of
certificates representing shares of Common Stock having an equivalent fair
market value or by arranging with the Company and Optionee's broker to deliver
the appropriate Option Price from the concurrent market sale of the acquired
shares, or (c) a

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<PAGE>   4
combination of any of the foregoing. Upon receipt of such written notice, the
original hereof, and full payment of the Option Price for the number of Option
Shares being purchased, the Company shall make delivery of a certificate
representing the number of such shares purchased as promptly as possible
thereafter, provided that, if any law or regulation requires the Company to take
any action with respect to such shares specified in such notice before the
issuance thereof, then the sale, issuance and delivery of such shares shall be
deferred for the period necessary to take such action.

       Optionee's withholding tax due upon exercise of this Option may be
satisfied either by a cash payment or the retention from the exercise of a
number of shares of Common Stock with a fair market value equal to the required
withholding tax, as the Optionee and Company may agree. If Optionee is subject
to the reporting and other provisions of Section 16 under the Exchange Act, the
election of a partial cash settlement of the Option in order to satisfy the tax
withholding requirements upon exercise of this option may be made only during a
ten-day "window" period each fiscal quarter beginning on the third business day
following the date of release of the Company's financial data for the quarter
and ending on the twelfth business day following such date, and shall be subject
to the approval of the Company.

        7. NON-TRANSFERABILITY OF OPTION. This Option shall be exercisable,
during the lifetime of the Optionee, only by him or her. This Option shall not
be transferable by the Optionee otherwise than by will or the laws of descent
and distribution unless approval in writing is obtained from the committee for
administration of Company Options ("Committee Approval"). Committee Approval
shall only be available for a transfer to a charitable organization, a family
trust or member of the Optionee's immediate family. Upon any other attempt to
transfer, assign, pledge or otherwise dispose of this Option, except as
expressly permitted in this Section 7, this Option shall immediately terminate
and become null and void.

        8. TERMINATION OF EMPLOYMENT OR SERVICE RELATIONSHIP. This Option
confers no right upon the Optionee with respect to the continuation of his or
her employment or service relationship with the Company or any of its
subsidiaries, and shall not interfere with the right of the Company or its
subsidiaries to terminate his or her employment or service relationship at any
time.

        9. DEATH OF OPTIONEE. If the Optionee dies, this Option may be exercised
(to the extent exercisable at Optionee's date of death) at any time during the
year next succeeding such death, but in no event after the Expiration Date, by
the person or persons to whom his or her rights hereunder shall have passed by
will or by laws of descent and distribution.

        10. ADJUSTMENT UPON THE OCCURRENCE OF CERTAIN EVENTS. The number of
shares subject to this Option and the exercise price per share are subject to
appropriate adjustment in the manner provided by the Plan for stock splits,
stock dividends, recapitalization or similar events which would change the
capital structure of the Company. No adjustment, however, shall result in or
entitle the Optionee to the issuance of fractional shares.

        11. NOTICE. Any notice hereunder by the Optionee shall be given to the
Company in writing and such notice and any payment by the Optionee hereunder
shall be deemed duly given or made only upon receipt thereof at the Company's
office at Los Angeles, California, or at such

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<PAGE>   5
other address as the Company may designate by notice to the Optionee. Any notice
or other communication to the Optionee hereunder shall be in writing and any
communication and any delivery to the Optionee hereunder shall be deemed duly
given or made if mailed, delivered or made to the Optionee at such address as
the Optionee may have on file with the Company or in care of the Company at its
principal office in Santa Monica, California.

        12. CONSTRUCTION. The construction of this Option is vested in the Board
of Directors of the Company or the Compensation and Stock Option Committee of
the Company, if the Board shall have delegated such responsibility to such
Committee, whose construction shall be final and conclusive.

        13. MISCELLANEOUS. Optionee shall not be deemed for any purpose to be a
stockholder of the Company with respect to any shares subject to this Option
except to the extent that this Option shall have been exercised with respect
thereto and, in addition, a certificate shall have been issued therefor and
delivered to Optionee.

        14. OPTIONEE REPRESENTATIONS. Optionee agrees, by acceptance of this
Option, that, upon issuance of any shares hereunder, that, unless such shares
are then registered under applicable federal and state securities laws, (i)
acquisition of such shares will be for investment and not with a view to the
distribution thereof, and (ii) the Company may require an investment letter from
Optionee in such form as may be recommended by Company counsel.

        15. RESTRICTIONS ON TRANSFER. Optionee shall be permitted to sell, make
any short sale of, loan, grant any option for the purchase of, or otherwise
dispose of any shares purchased under this Option, except when prohibited from
making such disposition by reasonable restrictions of the Company's Board of
Directors which are promulgated during the term of Optionee's employment,
consultancy or directorship.

                            SIGNATURE PAGE TO FOLLOW

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        This Agreement may be executed in two or more counterparts, each of
which shall be deemed an original and all of which shall constitute one
document.

                                         DRKOOP.COM, INC.

                                         By: /s/ EDWARD A. CESPEDES
                                            ------------------------------------
                                         Name: Edward A. Cespedes
                                              ----------------------------------

                                         Title: PRESIDENT
                                               ---------------------------------

        OPTIONEE ACKNOWLEDGES AND AGREES THAT THE VESTING OF SHARES PURSUANT TO
        THE OPTION HEREOF IS EARNED ONLY BY CONTINUING CONSULTANCY OR EMPLOYMENT
        AT THE WILL OF THE COMPANY (NOT THROUGH THE ACT OF BEING HIRED, BEING
        GRANTED THIS OPTION OR ACQUIRING SHARES HEREUNDER). OPTIONEE FURTHER
        ACKNOWLEDGES AND AGREES THAT NOTHING IN THIS AGREEMENT, NOR IN THE
        COMPANY'S AMENDED & RESTATED DRKOOP.COM, INC. 2000 NON-QUALIFIED STOCK
        OPTION PLAN WHICH IS INCORPORATED HEREIN BY REFERENCE, SHALL CONFER UPON
        OPTIONEE ANY RIGHT WITH RESPECT TO CONTINUATION OF EMPLOYMENT OR
        CONSULTANCY BY THE COMPANY, NOR SHALL IT INTERFERE IN ANY WAY WITH
        OPTIONEE'S RIGHT OR THE COMPANY'S RIGHT TO TERMINATE OPTIONEE'S
        EMPLOYMENT OR CONSULTANCY AT ANY TIME, WITH OR WITHOUT CAUSE.

               Optionee acknowledges receipt of a copy of the Plan and
represents that he is familiar with the terms and provisions thereof. Optionee
hereby accepts this Option subject to all of the terms and provisions hereof.
Optionee has reviewed the Plan and this Option in their entirety, has had an
opportunity to obtain the advice of counsel prior to executing this Option and
fully understands all provisions of the Option. Optionee hereby agrees to accept
as binding, conclusive and final all decisions or interpretations of the
Administrator upon any questions arising under the Plan or this Option. Optionee
further agrees to notify the Company upon any change in the residence address
indicated below.

Dated: August 6, 2001

                                            /s/ RICHARD M. ROSENBLATT
                                            ------------------------------------
                                            Richard M. Rosenblatt

                                            Residence Address:

                                       6
<PAGE>   7
                                    EXHIBIT A

                       AMENDED & RESTATED DRKOOP.COM, INC.

                      2000 NON-QUALIFIED STOCK OPTION PLAN

                                 EXERCISE NOTICE

drkoop.com, Inc.

Attention:  Secretary

        B.     Exercise of Option. Effective as of today, ___________, _____,
               the undersigned ("Optionee") hereby elects to exercise Optionee's
               option to purchase _________ shares of the Common Stock (the
               "Shares") of drkoop.com, Inc. (the "Company") under and pursuant
               to the drkoop.com, Inc. 2000 Equity Participation Plan (the
               "Plan") and the Non-Qualified Stock Option Agreement dated
               _____________, _____, (the "Option Agreement").

        C.     Representations of Optionee. Optionee acknowledges that Optionee
               has received, read and understood the Plan and the Option
               Agreement. Optionee agrees to abide by and be bound by their
               terms and conditions.

        D.     Rights as Stockholder. Until the stock certificate evidencing
               such Shares is issued (as evidenced by the appropriate entry on
               the books of the Company or of a duly authorized transfer agent
               of the Company), no right to vote or receive dividends or any
               other rights as a stockholder shall exist with respect to Shares
               subject to the Option, notwithstanding the exercise of the
               Option. The Company shall issue (or cause to be issued) such
               stock certificate promptly after the Option is exercised. No
               adjustment will be made for a dividend or other right for which
               the record date is prior to the date the stock certificate is
               issued, except as provided in Section IV of Article One of the
               Plan. Optionee shall enjoy rights as a stockholder until such
               time as Optionee disposes of the Shares.

        E.     Tax Consultation. Optionee understands that Optionee may suffer
               adverse tax consequences as a result of Optionee's purchase or
               disposition of the Shares. Optionee represents that Optionee has
               consulted with any tax consultants Optionee deems advisable in
               connection with the purchase or disposition of the Shares and
               that Optionee is not relying on the Company for any tax advice.

        F.     Restrictive Legends.

        1. Legends. Optionee understands and agrees that the Company shall cause
any other legends that may be required by state or federal securities laws to be
placed upon any certificate(s) evidencing ownership of the Shares.

        2. Refusal to Transfer. The Company shall not be required (i) to
transfer on its books

<PAGE>   8
any Shares that have been sold or otherwise transferred in violation of any of
the provisions of this Agreement or (ii) to treat as owner of such Shares or to
accord the right to vote or pay dividends to any purchaser or other transferee
to whom such Shares shall have been so transferred.

        G.     Successors and Assigns. The Company may assign any of its rights
               under this Agreement to single or multiple assignees, and this
               Agreement shall inure to the benefit of the successors and
               assigns of the Company. Subject to the restrictions on transfer
               herein set forth, this Agreement shall be binding upon Optionee
               and his or her heirs, executors, administrators, successors and
               assigns.

        H.     Interpretation. Any dispute regarding the interpretation of this
               Agreement shall be submitted by Optionee or by the Company
               forthwith to the Administrator, which shall review such dispute
               at its next regular meeting. The resolution of such a dispute by
               the Administrator shall be final and binding on the Company and
               on Optionee.

        I.     Governing Law; Severability. This Agreement shall be governed by
               and construed in accordance with the laws of the State of Texas
               excluding that body of law pertaining to conflicts of law. Should
               any provision of this Agreement be determined by a court of law
               to be illegal or unenforceable, the other provisions shall
               nevertheless remain effective and shall remain enforceable.

        J.     Notices. Any notice required or permitted hereunder shall be
               given in writing and shall be deemed effectively given upon
               personal delivery or upon deposit in the United States mail by
               certified mail, with postage and fees prepaid, addressed to the
               other party at its address as shown below beneath its signature,
               or to such other address as such party may designate in writing
               from time to time to the other party.

        K.     Further Instruments. The parties agree to execute such further
               instruments and to take such further action as may be reasonably
               necessary to carry out the purposes and intent of this Agreement.

        L.     Delivery of Payment. Optionee herewith delivers to the Company
               the full Exercise Price for the Shares, as well as any applicable
               withholding tax.

                                       2
<PAGE>   9
        M.     Entire Agreement. The Plan and Option Agreement are incorporated
               herein by reference. This Agreement, the Plan and the Option
               Agreement constitute the entire agreement of the parties and
               supersede in their entirety all prior undertakings and agreements
               of the Company and Optionee with respect to the subject matter
               hereof.

Submitted by:                          Accepted by:

OPTIONEE:                              DRKOOP.COM, INC.

                                       By:
                                          --------------------------------------
                                       Its:
                                            ------------------------------------

Address:

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                                       3

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